CN114280212A - Chromatographic detection correction method, storage medium and electronic equipment - Google Patents
Chromatographic detection correction method, storage medium and electronic equipment Download PDFInfo
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Abstract
The application relates to a chromatographic detection correction method, a storage medium and electronic equipment, relating to the technical field of chromatographs, wherein the method comprises the following steps: extracting a first chromatogram obtained by detecting a preset detection object by a target chromatogram according to preset detection parameters; obtaining a standard chromatogram obtained by detecting a preset detection object by a target chromatograph according to preset detection parameters when the target chromatograph leaves a factory; comparing the chromatographic peak of the first chromatogram with the chromatographic peak corresponding to the standard chromatogram, and screening to obtain the correctable height difference; and calculating to obtain a corresponding height correction value based on the correctable height difference, and correcting a chromatographic peak of a detection chromatogram obtained by detecting the object to be detected by the target chromatograph. The method and the device for detecting the chromatographic instrument based on the preset detection object and the preset detection parameters can be used for analyzing and mastering the equipment error condition of the chromatographic instrument according to the height difference of each chromatographic peak, correcting the subsequent daily chromatographic analysis work of the chromatographic instrument and improving the detection accuracy and reliability of the chromatographic instrument to a certain extent.
Description
Technical Field
The application relates to the technical field of chromatographs, in particular to a chromatographic detection correction method, a storage medium and electronic equipment.
Background
At this stage, chromatographs are widely used to identify or quantify components in a sample. When a chromatograph analyzes a sample, a corresponding chromatogram is obtained by detection, component identification is performed based on the position of a chromatographic peak of the chromatogram, and the component is quantitatively analyzed based on the area and height of the chromatographic peak.
With the daily use of the chromatograph, the chromatograph may be aged or damaged due to the use habit or storage environment, thereby causing a certain detection error. If the obtained chromatogram has obvious detection errors, the analysis result with larger errors can be finally obtained.
Therefore, in order to avoid detection errors of the chromatograph caused by long-term use, a chromatographic detection correction technology is provided.
Disclosure of Invention
The application provides a chromatographic detection correction method, a storage medium and electronic equipment, which are used for detecting based on a preset detection object and preset detection parameters, analyzing and mastering the equipment error condition of a chromatograph according to the height difference of each chromatographic peak, correcting the subsequent daily chromatographic analysis work of the chromatograph, and improving the detection accuracy and reliability of the chromatograph to a certain extent.
In a first aspect, the present application provides a method for chromatographic assay correction, the method comprising the steps of:
responding to a chromatograph correction instruction, and extracting a first chromatographic chart obtained by detecting a preset detection object by a target chromatograph according to preset detection parameters;
acquiring a standard chromatogram obtained by detecting a preset detection object by the target chromatograph according to preset detection parameters when the target chromatograph leaves a factory;
comparing the chromatographic peak in the first chromatogram with the corresponding chromatographic peak in the standard chromatogram to obtain the height difference between the chromatographic peak in the first chromatogram and the corresponding chromatographic peak in the standard chromatogram, and screening to obtain the correctable height difference;
calculating to obtain a corresponding height correction value based on the correctable height difference;
and correcting the chromatographic peak of a detection chromatogram obtained by detecting the object to be detected by the target chromatograph based on the height correction value.
Specifically, in the step of calculating and obtaining a corresponding height correction value based on the correctable height difference, the method includes the following steps:
calculating to obtain a corresponding correctable height difference average value based on the correctable height difference;
comparing the correctable height difference with the correctable height difference average value, and screening out the correctable height difference with the difference value exceeding the correctable first difference value to obtain the corresponding secondary screening correctable height difference;
calculating to obtain a corresponding secondary screening correctable height difference median based on the secondary screening correctable height difference;
and obtaining the height correction value based on the median of the height difference which can be corrected by the secondary screening.
Specifically, in the step of calculating and obtaining a corresponding height correction value based on the correctable height difference, the method includes the following steps:
obtaining a correctable height difference interval based on the maximum value and the minimum value of the correctable height difference;
splitting the correctable height difference interval into a plurality of correctable height difference subintervals;
screening out the correctable height differences in the correctable height difference subintervals, wherein the number of the correctable height differences in the correctable height difference subintervals is less than the preset first interval number, and taking the rest correctable height differences as residual correctable height differences;
and calculating to obtain the height correction value based on the residual correctable height difference.
Specifically, in the step of calculating and obtaining a corresponding height correction value based on the correctable height difference, the method includes the following steps:
obtaining a correctable height difference interval based on the maximum value and the minimum value of the correctable height difference;
splitting the correctable height difference interval into a plurality of correctable height difference subintervals;
screening out the correctable height differences in the correctable height difference subintervals, wherein the number of the correctable height differences in the correctable height difference subintervals is less than the preset first interval number, and taking the rest correctable height differences as residual correctable height differences;
calculating to obtain a corresponding residual correctable height difference average value based on the residual correctable height difference;
comparing the residual correctable height difference with the average value of the residual correctable height differences, and screening out the residual correctable height differences of which the difference values exceed the correctable first difference values to obtain corresponding secondary screening residual correctable height differences;
calculating to obtain a corresponding secondary screening residual correctable height difference median based on the secondary screening residual correctable height difference;
and obtaining the height correction value based on the secondary screening residual correctable height difference median.
Further, the method comprises the following steps:
when the chromatographic peaks in the first chromatogram are higher than the corresponding chromatographic peaks in the standard chromatogram and the ratio of the corresponding height difference to the height of the corresponding chromatographic peak in the standard chromatogram is smaller than a first height ratio, calculating to obtain the correctable height difference based on the height differences, and calculating to obtain a corresponding height correction value by combining the correction coefficient corresponding to the first height ratio;
and when the chromatographic peak in the first chromatogram is lower than the corresponding chromatographic peak in the standard chromatogram and the ratio of the height difference to the height of the corresponding chromatographic peak in the standard chromatogram is smaller than a second height ratio, calculating to obtain the correctable height difference based on each height difference, and calculating to obtain a corresponding height correction value by combining with the correction coefficient corresponding to the second height ratio.
Further, before extracting a first color spectrum obtained by detecting a preset detection object by the target color spectrum according to preset detection parameters, the method further comprises the following steps:
and recording the use times of the target chromatograph in real time, and generating a chromatograph correction instruction when the use times of the target chromatograph exceeds a preset use correction threshold value.
Further, the method further comprises a chromatogram standardization process, wherein the chromatogram standardization process comprises the following steps:
carrying out standardization processing on the first chromatogram and the standard chromatogram; wherein the content of the first and second substances,
the standardized first chromatogram and the standard chromatogram have uniform units of the ordinate and the abscissa;
the method further comprises the steps of:
acquiring a chromatographic peak in the first chromatographic spectrum after standardization, and dividing the chromatographic peak into a wide chromatographic peak and a narrow chromatographic peak according to the height and the width of the chromatographic peak;
comparing the chromatographic peak in the first chromatogram after the standardization treatment with the corresponding chromatographic peak in the standard chromatogram after the standardization treatment to obtain the height difference between the chromatographic peak in the first chromatogram and the corresponding chromatographic peak in the standard chromatogram, and screening to obtain the correctable height difference;
and calculating to obtain a corresponding height correction value by combining the wide correction coefficient corresponding to the wide chromatographic peak and the narrow correction coefficient corresponding to the narrow chromatographic peak based on the correctable height difference.
Specifically, the method for correcting the chromatographic peak of the detection chromatogram obtained by detecting the object to be detected by the target chromatograph based on the height correction value comprises the following steps:
acquiring a detection chromatogram obtained by detecting the object to be detected by the target chromatograph;
carrying out standardization processing based on the detection chromatogram to obtain a narrow chromatographic peak and a wide chromatographic peak in the detection chromatogram;
and correcting the narrow chromatographic peak and the wide chromatographic peak in the detection chromatogram based on the wide correction coefficient and the height correction value corresponding to the wide correction coefficient.
In a second aspect, the present application provides a storage medium having a computer program stored thereon, which when executed by a processor, implements the chromatography detection correction method of the first aspect.
In a third aspect, the present application provides an electronic device, which includes a memory and a processor, the memory stores a computer program running on the processor, and the processor executes the computer program to implement the chromatography detection correction method mentioned in the first aspect.
The beneficial effect that technical scheme that this application provided brought includes:
the method and the device for detecting the chromatograph based on the preset detection parameters have the advantages that the detection is carried out based on the preset detection object and the preset detection parameters, the first chromatogram obtained by detection is compared with the standard chromatogram obtained by detection when the chromatograph leaves the factory, the device error condition of the chromatograph is analyzed and mastered according to the height difference of each chromatogram peak, the follow-up daily chromatographic analysis work of the chromatograph is corrected based on the device error condition, and the detection accuracy and reliability of the chromatograph are improved to a certain extent.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart of the steps of a chromatographic assay correction method provided in an embodiment of the present application;
FIG. 2 is a flow chart of steps of a first calculation procedure of a chromatographic assay correction method based on a height correction value, provided in an embodiment of the present application;
FIG. 3 is a flow chart illustrating steps of a second calculation procedure of a chromatographic detection correction method based on a height correction value, provided in an embodiment of the present application;
fig. 4 is a flowchart illustrating steps of a third calculation process of a chromatography detection correction method based on a height correction value according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
The embodiment of the application provides a chromatographic detection correction method, a storage medium and electronic equipment, which are used for detecting based on a preset detection object and preset detection parameters, comparing a first chromatogram obtained by detection with a standard chromatogram obtained by detection when leaving a factory, analyzing and grasping the equipment error condition of a chromatograph according to the height difference of various chromatogram peaks, correcting the subsequent daily chromatographic analysis work of the chromatograph based on the equipment error condition, and improving the detection accuracy and reliability of the chromatograph to a certain extent.
In order to achieve the technical effects, the general idea of the application is as follows:
a method of chromatographic assay correction, the method comprising the steps of:
s1, responding to a chromatograph correction instruction by using a preset chromatogram acquisition module, and extracting a first chromatogram obtained by detecting a preset detection object by a target chromatograph according to preset detection parameters;
s2, the chromatogram acquisition module acquires a standard chromatogram obtained by detecting a preset detection object according to preset detection parameters when the target chromatograph leaves a factory;
s3, the height difference comparison module compares the chromatographic peak in the first chromatogram with the corresponding chromatographic peak in the standard chromatogram to obtain the height difference between the chromatographic peak in the first chromatogram and the corresponding chromatographic peak in the standard chromatogram, and the height difference is screened to obtain the correctable height difference;
s4, based on the correctable height difference, the correction value calculating module calculates to obtain a corresponding height correction value;
and S5, based on the height correction value, the chromatogram correction module corrects a chromatographic peak of a detection chromatogram obtained by detecting the object to be detected by the target chromatogram.
Embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
In a first aspect, referring to fig. 1 to 4, an embodiment of the present application provides a method for correcting a chromatographic detection, the method including the following steps:
s1, responding to a chromatograph correction instruction by using a preset chromatogram acquisition module, and extracting a first chromatogram obtained by detecting a preset detection object by a target chromatograph according to preset detection parameters;
s2, the chromatogram acquisition module acquires a standard chromatogram obtained by detecting a preset detection object according to preset detection parameters when the target chromatograph leaves a factory;
s3, the height difference comparison module compares the chromatographic peak in the first chromatogram with the corresponding chromatographic peak in the standard chromatogram to obtain the height difference between the chromatographic peak in the first chromatogram and the corresponding chromatographic peak in the standard chromatogram, and the height difference is screened to obtain the correctable height difference;
s4, based on the correctable height difference, the correction value calculating module calculates to obtain a corresponding height correction value;
and S5, based on the height correction value, the chromatogram correction module corrects a chromatographic peak of a detection chromatogram obtained by detecting the object to be detected by the target chromatogram.
If necessary, the method further comprises the following steps:
the height difference comparison module compares the absolute value of the correctable height difference corresponding to the chromatographic peak in the first chromatogram with the height of the corresponding chromatographic peak in the standard chromatogram;
and when the ratio of the absolute value of the correctable height difference corresponding to the chromatographic peak in the first chromatogram to the height of the corresponding chromatographic peak in the standard chromatogram is greater than a preset correctable ratio threshold, a preset maintenance early warning module judges that the equipment error of the target chromatograph is larger, and terminates correction and carries out maintenance early warning.
It should be noted that, when the ratio of the absolute value of the correctable height difference corresponding to the chromatographic peak in the first chromatogram to the height of the chromatographic peak corresponding to the standard chromatogram is relatively large, it is proved that the height difference between the height of the chromatographic peak in the first chromatogram and the height of the chromatographic peak corresponding to the standard chromatogram is too large, and is beyond the correctable technical range;
the specific value of the correctable ratio threshold can be set through multiple detection and comparison according to actual conditions, and the purpose is to accurately judge whether the target chromatograph is suitable for correction.
In addition, for more stability, the number of chromatographic peaks with the ratio larger than the correctable ratio threshold can be counted, when the number exceeds the preset number, the target chromatographic instrument is judged to have larger error, the correction is stopped, and the maintenance early warning is carried out;
namely, when the ratio of the absolute value of the correctable height difference corresponding to the chromatographic peaks in the first chromatogram exceeding the preset number to the height of the chromatographic peak corresponding to the standard chromatogram is greater than the preset correctable ratio threshold, the maintenance and early warning module judges that the equipment error of the target chromatograph is large, and terminates correction and carries out maintenance and early warning.
It should be noted that the predetermined detection object in the embodiment of the present application may be a specific substance or a mixture of a plurality of specific substances;
the preset detection parameters can be chromatograph working parameters during chromatographic detection and corresponding setting parameters during detection;
the object to be detected is a substance which needs to be subjected to chromatographic detection by a chromatograph in daily detection work.
Based on the technical scheme of the embodiment of the application, the specific operation flow is as follows:
the method comprises the steps that firstly, after a target chromatograph leaves a factory and is put into daily use, a use frequency counting module records the use frequency of the target chromatograph in real time, when the use frequency of the target chromatograph exceeds a preset use correction threshold value, the target chromatograph is judged to reach a certain use frequency limit, the target chromatograph is predicted to have equipment errors possibly, and therefore the target chromatograph is judged to need to be corrected at the time, and a chromatograph correction instruction is generated;
secondly, the target chromatograph responds to the chromatograph correction instruction, chromatographic detection is carried out on a preset detection object according to preset detection parameters to obtain a corresponding first chromatographic chart, and the first chromatographic chart is extracted by utilizing a chromatographic chart acquisition module to respond to the chromatograph correction instruction;
thirdly, when leaving the factory, performing chromatographic detection on a preset detection object by using the target chromatograph according to preset detection parameters to obtain a corresponding standard chromatogram, responding to a chromatograph correction instruction by using a chromatogram acquisition module to extract the standard chromatogram, wherein the standard chromatogram can be stored in the target chromatograph in advance or stored in external equipment, and is extracted when correction is needed;
fourthly, a height difference comparison module compares the chromatographic peak in the first chromatographic chart with the corresponding chromatographic peak in the standard chromatographic chart to obtain the height difference between the chromatographic peak in the first chromatographic chart and the corresponding chromatographic peak in the standard chromatographic chart, identifies the specific numerical value of the height difference, screens out the height difference of the numerical value of the height difference within a threshold value of the correctable height difference and records the height difference as the correctable height difference,
wherein the correctable height difference threshold can be set according to actual conditions, and the numerical value is used for judging whether the equipment error of the target chromatograph can be corrected or not,
if the height difference values exceeding the preset number are all larger than the correctable height difference threshold value, determining that the equipment error of the corresponding target chromatograph is uncorrectable and needing to be maintained;
fifthly, calculating to obtain a corresponding height correction value by a correction value calculation module according to the correctable height difference and a corresponding calculation mode;
and sixthly, after the height correction value is obtained, the height correction value can be used as a basis for correcting a chromatographic peak, so that in the subsequent detection work, the chromatogram correction module corrects the chromatographic peak of a detection chromatogram obtained by detecting the object to be detected by the target chromatogram on the basis of the height correction value.
The embodiment of the application considers that the chromatograph has equipment errors after leaving a factory due to long-term use, the detection is carried out based on the preset detection object and the preset detection parameters, the first chromatogram obtained by detection is compared with the standard chromatogram obtained by detection when leaving the factory, the equipment error condition of the chromatograph is mastered according to the height difference analysis of each chromatogram peak, the subsequent daily chromatographic analysis work of the chromatograph is corrected based on the equipment error condition, and the detection accuracy and reliability of the chromatograph are improved to a certain extent.
In a specific implementation of the technical solution of the embodiment of the present application, there is a first case, and the chromatography detection correction method includes a first calculation procedure of a height correction value, that is, in calculating and obtaining a corresponding height correction value based on the correctable height difference, the method includes the following steps:
an average value calculation module of the correction value calculation module calculates and obtains a corresponding correctable height difference average value based on the correctable height difference;
a secondary screening module of the correction value calculation module compares the correctable height difference with the correctable height difference average value, screens out the correctable height difference of which the difference value exceeds the correctable first difference value, and obtains a corresponding secondary screening correctable height difference;
a median calculation module of the correction value calculation module calculates and obtains a corresponding median of the secondary screening correctable height difference based on the secondary screening correctable height difference;
and a correction value calculation submodule of the correction value calculation module obtains the height correction value based on the secondary screening correctable height difference median.
The correctable height difference average value can represent the correctable height difference average level, and can represent the equipment error of the target chromatograph to a certain extent;
the correctable height difference is secondarily screened based on the correctable height difference average value, so that the correctable height difference with a large difference can be removed, and the large difference possibly is caused by some uncertain interference factors, so that the correction reliability is further improved, and the error interference is avoided;
and after secondary screening, acquiring a median of the correctable height difference of the secondary screening, recording the median as the correctable height difference of the secondary screening, and combining a preset height difference correction coefficient to obtain a corresponding height correction value based on the median of the correctable height difference of the secondary screening.
Give aA calculation formula of a height correction value: h isCorrection=hMedian height difference*kCorrection(ii) a Wherein the content of the first and second substances,
hmedian height differenceThe value of (A) may be positive or negative, kCorrectionTo correct the coefficient, kCorrectionThe numerical value of (A) is positive;
when h is generatedMedian height differenceWhen the numerical value of (a) is negative, the result shows that the higher probability of the chromatographic peak obtained by the detection of the target chromatograph is lower than the height of the chromatographic peak of the standard chromatogram, so that the subtraction of h from the height of the chromatographic peak of the detection chromatogram obtained by the detection of the object to be detected by the target chromatograph in the subsequent workCorrectionI.e. adding hCorrectionThe absolute value of (a) can then obtain the corresponding corrected height;
on the contrary, when hMedian height differenceWhen the numerical value is positive, the higher probability of the chromatographic peak obtained by the target chromatograph is higher than the height of the chromatographic peak of the standard chromatogram, so that the height of the chromatographic peak of the detection chromatogram obtained by the target chromatograph detecting the object to be detected is subtracted by h in the subsequent workCorrectionI.e. subtracting hCorrectionThe corresponding corrected height can be obtained.
If necessary, a compensation constant, i.e. h, can be set according to actual requirementsCorrection=hMedian height difference*kCorrection±aCompensation；
Wherein, aCompensationThe numerical value of (A) is positive;
when h is generatedMedian height differenceWhen the numerical value of (a) is negative, the larger probability of the chromatographic peak obtained by the detection of the target chromatograph is lower than the height of the chromatographic peak of the standard chromatogram, and at the moment, hCorrection=hMedian height difference*kCorrection+aCompensationTo a certain extent, reduce hCorrectionIn the subsequent operation, the height of the chromatographic peak of the detection chromatogram obtained by detecting the object to be detected by the target chromatograph is subtracted by hCorrectionI.e. adding hCorrectionThe absolute value of (a) can then obtain a numerical value to obtain a corrected height corresponding to the correction;
on the contrary, when hHeight difference middle positionNumber ofIf the numerical value of (b) is positive, the higher probability of the chromatographic peak obtained by detection of the target chromatograph is higher than the height of the chromatographic peak of the standard chromatogram, and at the moment, hCorrection=hMedian height difference*kCorrection-aCompensationTo a certain extent, reduce hCorrectionIn the subsequent operation, the height of the chromatographic peak of the detection chromatogram obtained by detecting the object to be detected by the target chromatograph is subtracted by hCorrectionI.e. subtracting hCorrectionThe absolute value of (a) can then obtain a numerical value to obtain a corrected height corresponding to the correction;
in addition, aCompensationThe specific value of (2) can be obtained by statistics according to a large amount of test data, and aims to reduce correction errors.
It should be noted that the correctable first difference is used as a data basis for secondary screening, and is used for screening out the correctable height difference with a large excess value, so that data interference caused by unexpected data is avoided;
in addition, there is a corresponding correctable first difference value obtaining flow, which may be specifically executed by a correctable first difference value calculating module of the correction value calculating module, and the correctable first difference value obtaining flow includes the following flows:
obtaining a plurality of standard chromatograms obtained by detecting a preset detection object for a plurality of times according to preset detection parameters when the target chromatograph leaves a factory;
comparing the height difference between corresponding chromatographic peaks in each standard chromatogram;
setting a correctable first difference value based on a maximum value of a height difference between corresponding chromatographic peaks in each of the standard chromatograms;
as to how to set the correctable first difference value based on the maximum value of the height difference between the chromatographic peaks of each of the standard chromatograms, specifically, the correctable first difference value may be obtained by multiplying the maximum value of the height difference between the chromatographic peaks based on each of the standard chromatograms by a corresponding coefficient.
In a specific implementation of the technical solution of the embodiment of the present application, there is a second case, and the chromatography detection correction method includes a second calculation procedure of a height correction value, that is, in calculating and obtaining a corresponding height correction value based on the correctable height difference, the method includes the following steps:
an interval division module of the correction value calculation module obtains a correctable height difference interval based on the maximum value and the minimum value of the correctable height difference;
furthermore, the correctable height difference interval is divided into a plurality of correctable height difference subintervals by an interval dividing module;
an interval screening module of the correction value calculating module screens out the correctable height differences in the correctable height difference subintervals, wherein the correctable height differences in the correctable height difference subintervals are smaller than a preset first interval number;
and a correction value calculation submodule of the correction value calculation module calculates and obtains the height correction value based on the remaining correctable height difference.
It should be noted that, in a specific implementation, the correction value calculation sub-module may calculate a median or an average of the remaining correctable height differences, and directly obtain or multiply a corresponding coefficient according to the corresponding median or average or calculate the height correction value based on a corresponding calculation formula.
If necessary, the height correction value third calculation process can be adopted by combining the technical core of the first calculation process of the height correction value and the technical core of the second calculation process of the height correction value.
Namely, the chromatographic detection correction method comprises a third calculation process of the height correction value, namely, in the step of calculating and obtaining the corresponding height correction value based on the correctable height difference, the method comprises the following steps:
an interval division module of the correction value calculation module obtains a correctable height difference interval based on the maximum value and the minimum value of the correctable height difference;
furthermore, the correctable height difference interval is divided into a plurality of correctable height difference subintervals by an interval dividing module;
an interval screening module of the correction value calculating module screens out the correctable height differences in the correctable height difference subintervals, the correctable height differences of which the number of correctable height differences in the correctable height difference subintervals is less than the preset first interval number, and takes the remaining correctable height differences as remaining correctable height differences;
an average value calculation module of the correction value calculation module calculates and obtains a corresponding average value of the residual correctable height difference based on the residual correctable height difference;
a secondary screening module of the correction value calculation module compares the residual correctable height difference with the average value of the residual correctable height differences, screens out the residual correctable height difference of which the difference value exceeds the correctable first difference value, and obtains a corresponding secondary screening residual correctable height difference;
a median calculation module of the correction value calculation module calculates and obtains a corresponding median of the secondary screening residual correctable height difference based on the secondary screening residual correctable height difference;
and a correction value calculation submodule of the correction value calculation module obtains the height correction value based on the secondary screening residual correctable height difference median.
It should be noted that the number of the first intervals in the embodiment of the present application may be set according to an actual situation;
whether the height correction value is in the second calculation flow, the correctable height differences in the correctable height difference subintervals are screened out, wherein the correctable height differences in the correctable height difference subintervals are smaller than the preset first interval number;
or in a third calculation flow of the height correction value, the correctable height differences in the correctable height difference subintervals are screened out, the correctable height differences in the correctable height difference subintervals are smaller than the correctable height difference subintervals with the preset first interval number, and the remaining correctable height differences are taken as remaining correctable height differences;
the number of the first intervals is used for judging the dispersion condition of the numerical value of the correctable height difference, and when the number of the correctable height differences in the correctable height difference subintervals is less than the preset number of the first intervals, the correctable height difference corresponding to the correctable height difference subintervals is less, and the correctable height difference can be considered to be caused by a certain random error to a certain extent, so that the correctable height difference is selected for screening.
It should be noted that, the first calculation procedure of the height correction value, the second calculation procedure of the height correction value, and the third calculation procedure of the height correction value aim to reduce interference caused by a large difference of individual data due to random errors or random factors, reduce the number of invalid data, and improve the accuracy and reliability of the correction operation to a certain extent.
Further, in a specific case, the chromatographic detection correction method further comprises the following steps:
when the chromatographic peaks in the first chromatogram are higher than the corresponding chromatographic peaks in the standard chromatogram and the ratio of the corresponding height difference to the height of the corresponding chromatographic peak in the standard chromatogram is smaller than a first height ratio, the correction value calculation module calculates to obtain the correctable height difference based on each height difference and calculates to obtain a corresponding height correction value by combining with a correction coefficient corresponding to the first height ratio;
when the chromatographic peaks in the first chromatogram are lower than the corresponding chromatographic peaks in the standard chromatogram and the ratio of the height difference to the height of the corresponding chromatographic peak in the standard chromatogram is smaller than a second height ratio, the correction value calculation module calculates and obtains the correctable height difference based on each height difference and calculates and obtains a corresponding height correction value by combining the correction coefficient corresponding to the second height ratio;
and the chromatogram correction module corrects a chromatographic peak of a detection chromatogram obtained by detecting the object to be detected by the target chromatogram based on the height correction value.
It should be noted that how to obtain the corresponding height correction value or height correction value by calculation based on each height difference may specifically be the following two cases:
when the chromatographic peaks in the first chromatogram are higher than the corresponding chromatographic peaks in the standard chromatogram and the ratio of the corresponding height difference to the height of the corresponding chromatographic peak in the standard chromatogram is smaller than a first height ratio, calculating the median or average value of each height difference as a correctable height difference, and multiplying the correctable height difference by a correction coefficient corresponding to a preset first height ratio to obtain a corresponding height correction value;
and when the chromatographic peaks in the first chromatogram are lower than the corresponding chromatographic peaks in the standard chromatogram and the ratio of the height difference to the height of the corresponding chromatographic peak in the standard chromatogram is smaller than a second height ratio, calculating the median or average value of the height differences based on the height differences to serve as a correctable height difference, and multiplying the correctable height difference by a correction coefficient corresponding to a preset second height ratio to obtain a corresponding height correction value.
Further, before extracting a first color spectrum obtained by detecting a preset detection object by the target color spectrum according to preset detection parameters, the method further comprises the following steps:
and the using frequency counting module records the using frequency of the target chromatograph in real time, and generates a chromatograph correcting instruction when the using frequency of the target chromatograph exceeds a preset using correcting threshold value.
It should be noted that, when the number of times of use exceeds a preset use correction threshold, it is determined that the target chromatograph is used for a long time, and an apparatus error may occur, so that correction is required.
Further, the method further comprises a chromatogram normalization procedure, which is executed by the chromatogram normalization module, and the chromatogram normalization procedure comprises the following steps:
the chromatogram standardization module is used for standardizing the first chromatogram and the standard chromatogram; wherein the content of the first and second substances,
the standardized first chromatogram and the standard chromatogram have uniform units of the ordinate and the abscissa.
In addition, if necessary, for the convenience of calculation and correction processing, the correlation processing in the chromatogram normalization process does not change the shape of the chromatogram, and only the units of the abscissa and the ordinate of the chromatogram are removed.
After being processed by the chromatogram standardization process, the method also comprises the following steps:
acquiring a chromatographic peak in the first chromatographic spectrum after standardization, and dividing the chromatographic peak into a wide chromatographic peak and a narrow chromatographic peak according to the height and the width of the chromatographic peak;
comparing the chromatographic peak in the first chromatogram after the standardization treatment with the corresponding chromatographic peak in the standard chromatogram after the standardization treatment to obtain the height difference between the chromatographic peak in the first chromatogram and the corresponding chromatographic peak in the standard chromatogram, and screening to obtain the correctable height difference;
and calculating to obtain a corresponding height correction value by combining the wide correction coefficient corresponding to the wide chromatographic peak and the narrow correction coefficient corresponding to the narrow chromatographic peak based on the correctable height difference.
It should be noted that, by introducing the wide correction coefficient corresponding to the wide chromatographic peak and the narrow correction coefficient corresponding to the narrow chromatographic peak, the correction operation can be further refined, and the wide chromatographic peak and the narrow chromatographic peak are respectively corrected, so that the general high correction is avoided, and the accuracy and reliability of the correction operation are further improved.
Specifically, in a first calculation flow of the height correction value, a correction value calculation submodule of the correction value calculation module obtains the height correction value corresponding to the wide chromatographic peak and the height correction value corresponding to the narrow chromatographic peak by combining a wide correction coefficient corresponding to the wide chromatographic peak and a narrow correction coefficient corresponding to the narrow chromatographic peak based on the secondary screening correctable height difference median.
Specifically, in the second calculation flow of the height correction value, the correction value calculation submodule of the correction value calculation module obtains the height correction value corresponding to the wide chromatographic peak and the height correction value corresponding to the narrow chromatographic peak by combining the wide correction coefficient corresponding to the wide chromatographic peak and the narrow correction coefficient corresponding to the narrow chromatographic peak based on the remaining correctable height difference.
Specifically, in a third calculation flow of the height correction value, a correction value calculation submodule of the correction value calculation module obtains the height correction value corresponding to the wide chromatographic peak and the height correction value corresponding to the narrow chromatographic peak by combining a wide correction coefficient corresponding to the wide chromatographic peak and a narrow correction coefficient corresponding to the narrow chromatographic peak based on the secondary screening remaining correctable height difference median.
It should be noted that, the above provides a formula for calculating the height correction value: h isCorrection=hMedian height difference*kCorrectionI.e. in the case of concrete operation, kCorrectionSpecifically comprises kCorrecting narrow patternAnd kCorrection width typeAnd the two are respectively used for correcting a wide chromatographic peak and a narrow chromatographic peak in a chromatogram.
The above gives another calculation formula of the height correction value: h isCorrection=hSecondary screening residual correctable height difference median*kCorrectionI.e. in the case of concrete operation, kCorrectionSpecifically comprises kCorrecting narrow patternAnd kCorrection width typeAnd the two are respectively used for correcting a wide chromatographic peak and a narrow chromatographic peak in a chromatogram.
If necessary, k for the curve characteristic of the broad and narrow chromatographic peaksCorrecting narrow patternIs greater than kCorrection width typeThe value of (d);
if necessary, k may even be setCorrecting narrow patternIs greater than 1, and kCorrection width typeThe value of (a) is less than 1,
k may also be setCorrecting narrow patternAnd kCorrection width typeBoth values are less than 1 or both are greater than 1.
Specifically, the step of correcting a chromatographic peak of a detection chromatogram obtained by detecting the object to be detected by the target chromatograph based on the height correction value includes the following steps:
the chromatogram acquisition module acquires a detection chromatogram obtained by detecting the object to be detected by the target chromatogram;
the chromatogram standardization module is used for carrying out standardization processing on the basis of the detection chromatogram to obtain a narrow chromatographic peak and a wide chromatographic peak in the detection chromatogram;
and the chromatogram correction module corrects the narrow chromatographic peak and the wide chromatographic peak in the detection chromatogram based on the wide correction coefficient and the height correction value corresponding to the wide correction coefficient.
The method comprises the following steps that after a corresponding height correction value is obtained through calculation by combining a wide correction coefficient corresponding to a wide chromatographic peak and a narrow correction coefficient corresponding to a narrow chromatographic peak, a target chromatographic instrument is subjected to correction operation flow during detection of an object to be detected in the subsequent daily chromatographic detection work.
If necessary, in order to further reduce the correction error, a first color spectrum obtained by detecting the preset detection object by the target chromatograph according to the preset detection parameters may be extracted for multiple times, and the correction operation is performed by combining multiple first color spectrums.
Here, based on the situation of a plurality of first color spectrograms and based on the technical idea of the above technical solution, a method for detecting and correcting a color spectrum is provided, which comprises the following steps:
the chromatogram acquisition module responds to the chromatograph correction instruction and extracts a first chromatogram obtained by detecting a preset detection object by the target chromatograph according to preset detection parameters;
the chromatogram acquisition module acquires a standard chromatogram obtained by detecting a preset detection object according to preset detection parameters when the target chromatograph leaves a factory;
the chromatogram acquisition module corrects the first chromatogram based on the first chromatogram acquired for multiple times to obtain a first corrected chromatogram;
a height difference comparison module compares a chromatographic peak in the first correction chromatogram with a corresponding chromatographic peak in the standard chromatogram to obtain a height difference between the chromatographic peak in the first correction chromatogram and the corresponding chromatographic peak in the standard chromatogram, and screens to obtain a correctable height difference;
based on the correctable height difference, a correction value calculation module calculates to obtain a corresponding height correction value;
based on the height correction value, a chromatogram correction module corrects a chromatographic peak of a detection chromatogram obtained by detecting the object to be detected by the target chromatograph; wherein the content of the first and second substances,
and the ratio of the absolute value of the correctable height difference to the height of the corresponding chromatographic peak in the standard chromatogram is smaller than a preset correctable ratio threshold.
Specifically, the chromatogram acquisition module corrects the first corrected chromatogram based on the first chromatogram acquired multiple times, and the method includes the following steps:
the chromatogram acquisition module acquires the heights of chromatographic peaks in each first chromatogram, and the heights of the chromatographic peaks are averaged to obtain the average height value of each chromatographic peak;
and the chromatogram acquisition module corrects and obtains a first corrected chromatogram based on the height average value of each chromatogram peak.
If necessary, comparing the chromatographic peak in the first corrected chromatogram with the corresponding chromatographic peak in the standard chromatogram to obtain the height difference between the chromatographic peak in the first corrected chromatogram and the corresponding chromatographic peak in the standard chromatogram, and screening to obtain the correctable height difference, which may be as follows:
and comparing the average height of the chromatographic peak in each first chromatogram with the height of the corresponding chromatographic peak in the standard chromatogram to obtain the height difference between the average height of the chromatographic peak in each first chromatogram and the height difference between the corresponding chromatographic peaks in the standard chromatogram, and screening to obtain the correctable height difference.
In a second aspect, the present application provides a storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the chromatography detection correction method mentioned in the first aspect.
In a third aspect, an embodiment of the present application provides an electronic device, which includes a memory and a processor, where the memory stores a computer program running on the processor, and the processor executes the computer program to implement the chromatography detection correction method mentioned in the first aspect.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present application and are presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method of chromatographic assay correction, the method comprising the steps of:
responding to a chromatograph correction instruction, and extracting a first chromatographic chart obtained by detecting a preset detection object by a target chromatograph according to preset detection parameters;
acquiring a standard chromatogram obtained by detecting a preset detection object by the target chromatograph according to preset detection parameters when the target chromatograph leaves a factory;
comparing the chromatographic peak in the first chromatogram with the corresponding chromatographic peak in the standard chromatogram to obtain the height difference between the chromatographic peak in the first chromatogram and the corresponding chromatographic peak in the standard chromatogram, and screening to obtain the correctable height difference;
calculating to obtain a corresponding height correction value based on the correctable height difference;
and correcting the chromatographic peak of a detection chromatogram obtained by detecting the object to be detected by the target chromatograph based on the height correction value.
2. The method for correcting chromatography detection according to claim 1, wherein in calculating the corresponding height correction value based on the correctable height difference, the method comprises the steps of:
calculating to obtain a corresponding correctable height difference average value based on the correctable height difference;
comparing the correctable height difference with the correctable height difference average value, and screening out the correctable height difference with the difference value exceeding the correctable first difference value to obtain the corresponding secondary screening correctable height difference;
calculating to obtain a corresponding secondary screening correctable height difference median based on the secondary screening correctable height difference;
and obtaining the height correction value based on the median of the height difference which can be corrected by the secondary screening.
3. The method for correcting chromatography detection according to claim 1, wherein in calculating the corresponding height correction value based on the correctable height difference, the method comprises the steps of:
obtaining a correctable height difference interval based on the maximum value and the minimum value of the correctable height difference;
splitting the correctable height difference interval into a plurality of correctable height difference subintervals;
screening out the correctable height differences in the correctable height difference subintervals, wherein the number of the correctable height differences in the correctable height difference subintervals is less than the preset first interval number, and taking the rest correctable height differences as residual correctable height differences;
and calculating to obtain the height correction value based on the residual correctable height difference.
4. The method for correcting chromatography detection according to claim 1, wherein in calculating the corresponding height correction value based on the correctable height difference, the method comprises the steps of:
obtaining a correctable height difference interval based on the maximum value and the minimum value of the correctable height difference;
splitting the correctable height difference interval into a plurality of correctable height difference subintervals;
screening out the correctable height differences in the correctable height difference subintervals, wherein the number of the correctable height differences in the correctable height difference subintervals is less than the preset first interval number, and taking the rest correctable height differences as residual correctable height differences;
calculating to obtain a corresponding residual correctable height difference average value based on the residual correctable height difference;
comparing the residual correctable height difference with the average value of the residual correctable height differences, and screening out the residual correctable height differences of which the difference values exceed the correctable first difference values to obtain corresponding secondary screening residual correctable height differences;
calculating to obtain a corresponding secondary screening residual correctable height difference median based on the secondary screening residual correctable height difference;
and obtaining the height correction value based on the secondary screening residual correctable height difference median.
5. The chromatography detection correction method of claim 1, characterized in that the method further comprises the steps of:
when the chromatographic peaks in the first chromatogram are higher than the corresponding chromatographic peaks in the standard chromatogram and the ratio of the corresponding height difference to the height of the corresponding chromatographic peak in the standard chromatogram is smaller than a first height ratio, calculating to obtain the correctable height difference based on the height differences, and calculating to obtain a corresponding height correction value by combining the correction coefficient corresponding to the first height ratio;
and when the chromatographic peak in the first chromatogram is lower than the corresponding chromatographic peak in the standard chromatogram and the ratio of the height difference to the height of the corresponding chromatographic peak in the standard chromatogram is smaller than a second height ratio, calculating to obtain the correctable height difference based on each height difference, and calculating to obtain a corresponding height correction value by combining with the correction coefficient corresponding to the second height ratio.
6. The method for detecting and correcting chromatography according to claim 5, wherein before extracting the first chromatogram obtained by detecting the preset detection object by the target chromatograph according to the preset detection parameters, the method further comprises the following steps:
and recording the use times of the target chromatograph in real time, and generating a chromatograph correction instruction when the use times of the target chromatograph exceeds a preset use correction threshold value.
7. The chromatography detection correction method according to claim 6, further comprising a chromatogram normalization procedure, wherein the chromatogram normalization procedure comprises the following steps:
carrying out standardization processing on the first chromatogram and the standard chromatogram; wherein the content of the first and second substances,
the standardized first chromatogram and the standard chromatogram have uniform units of the ordinate and the abscissa;
the method further comprises the steps of:
acquiring a chromatographic peak in the first chromatographic spectrum after standardization, and dividing the chromatographic peak into a wide chromatographic peak and a narrow chromatographic peak according to the height and the width of the chromatographic peak;
comparing the chromatographic peak in the first chromatogram after the standardization treatment with the corresponding chromatographic peak in the standard chromatogram after the standardization treatment to obtain the height difference between the chromatographic peak in the first chromatogram and the corresponding chromatographic peak in the standard chromatogram, and screening to obtain the correctable height difference;
and calculating to obtain a corresponding height correction value by combining the wide correction coefficient corresponding to the wide chromatographic peak and the narrow correction coefficient corresponding to the narrow chromatographic peak based on the correctable height difference.
8. The chromatography detection correction method according to claim 7, wherein the correction of the chromatographic peak of the detection chromatogram obtained by detecting the object to be detected by the target chromatography based on the height correction value comprises the following steps:
acquiring a detection chromatogram obtained by detecting the object to be detected by the target chromatograph;
carrying out standardization processing based on the detection chromatogram to obtain a narrow chromatographic peak and a wide chromatographic peak in the detection chromatogram;
and correcting the narrow chromatographic peak and the wide chromatographic peak in the detection chromatogram based on the wide correction coefficient and the height correction value corresponding to the wide correction coefficient.
9. A storage medium having a computer program stored thereon, characterized in that: the computer program, when executed by a processor, implements the method of any one of claims 1 to 8.
10. An electronic device comprising a memory and a processor, the memory having stored thereon a computer program that runs on the processor, characterized in that: the processor, when executing the computer program, implements the method of any of claims 1 to 8.
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