WO2012164954A1 - 集合データの類似性評価方法、類似性評価プログラム、及び類似性評価装置 - Google Patents
集合データの類似性評価方法、類似性評価プログラム、及び類似性評価装置 Download PDFInfo
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- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/86—Signal analysis
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16C—COMPUTATIONAL CHEMISTRY; CHEMOINFORMATICS; COMPUTATIONAL MATERIALS SCIENCE
- G16C20/00—Chemoinformatics, i.e. ICT specially adapted for the handling of physicochemical or structural data of chemical particles, elements, compounds or mixtures
- G16C20/70—Machine learning, data mining or chemometrics
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/86—Signal analysis
- G01N30/8675—Evaluation, i.e. decoding of the signal into analytical information
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/86—Signal analysis
- G01N30/8675—Evaluation, i.e. decoding of the signal into analytical information
- G01N30/8686—Fingerprinting, e.g. without prior knowledge of the sample components
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N30/74—Optical detectors
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/86—Signal analysis
- G01N30/8675—Evaluation, i.e. decoding of the signal into analytical information
- G01N30/8679—Target compound analysis, i.e. whereby a limited number of peaks is analysed
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- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/86—Signal analysis
- G01N30/8693—Models, e.g. prediction of retention times, method development and validation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
- G06F2218/12—Classification; Matching
- G06F2218/14—Classification; Matching by matching peak patterns
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16C—COMPUTATIONAL CHEMISTRY; CHEMOINFORMATICS; COMPUTATIONAL MATERIALS SCIENCE
- G16C20/00—Chemoinformatics, i.e. ICT specially adapted for the handling of physicochemical or structural data of chemical particles, elements, compounds or mixtures
- G16C20/20—Identification of molecular entities, parts thereof or of chemical compositions
Definitions
- the present invention relates to an aggregate data similarity evaluation method, a similarity evaluation program, and a similarity evaluation apparatus.
- multi-component substance for example, there is a natural product-derived drug such as Chinese medicine, which is a drug composed of multiple components (hereinafter referred to as multi-component drug).
- Chinese medicine which is a drug composed of multiple components (hereinafter referred to as multi-component drug).
- the quantitative and qualitative profiles of these drugs vary due to the geological factors, ecological factors, collection time, collection location, collection age, growing season weather, etc. of the raw material crude drug used.
- the criteria for determining the quality of a multi-component drug and the like are generally set based on the content and the like of one or several characteristic components in the multi-component drug.
- Non-Patent Document 1 when an active ingredient cannot be identified in a multi-component drug, quantitative analysis is possible, it is easily dissolved in water, does not decompose in hot water, does not chemically react with other components, etc. A plurality of components having the above are selected, and the content of those components obtained by chemical analysis is used as a criterion for evaluation.
- Patent Document 1 a multi-component drug is evaluated by selecting a part of peaks in HPLC chromatogram data (hereinafter referred to as “chromatography”) and bar-coding them.
- chromatography HPLC chromatogram data
- the evaluation target is limited to “specific component content” or “chromatographic peak of specific component”, and some of the components contained in the multi-component drug are targeted for evaluation. Not too much. For this reason, since there are many components that are not subject to evaluation for multi-component drugs, they are insufficiently accurate as an evaluation method for multi-component drugs.
- the problem to be solved is that the existing evaluation method has a limit in efficiently evaluating the quality of multi-component substances with high accuracy.
- the present invention collects a plurality of data (for example, liquid chromatogram (LC), gas chromatogram (GC), nuclear magnetic resonance (NMR) spectrum). And the like (data obtained by processing such as patterning), and patterning each data of each set data with a selected scale
- the present invention is a similarity evaluation program for causing a computer to perform mutual similarity evaluation of aggregate data in which a plurality of data is aggregated, and a patterning function for patterning each data of each aggregate data on a selected scale And a computer for realizing a match number extraction function for comparing each pattern data with a brute force to obtain a match number and a match degree determination function for obtaining a match degree using a Tanimoto coefficient based on the obtained match number
- This is a feature of the similarity evaluation program for aggregate data.
- the present invention is an apparatus for evaluating the similarity of aggregate data in which a plurality of data is aggregated, wherein a patterning unit that patterns each data of each aggregate data on a selected scale, and each of the patterned data
- the similarity evaluation device of the collective data is provided with a match number extraction unit that calculates the number of matches by brute force and a match degree determination unit that calculates a match degree using the Tanimoto coefficient based on the obtained match number Features.
- the method for evaluating similarity of set data according to the present invention has the above-described configuration, it is possible to easily and quickly evaluate the similarity of set data obtained by collecting a plurality of data.
- a target FP of a multi-component substance to be evaluated with a reference FP of a plurality of evaluation standards a plurality of FPs of multi-component substances suitable for peak assignment of the target FP are pre-processed.
- selecting from the standard FP it is possible to make a simple and quick selection.
- the set data similarity evaluation program of the present invention has the above-described configuration, it is possible to make a computer realize the function, evaluate the FP similarity, and easily and quickly select the reference FP and the like.
- the apparatus for evaluating similarity of set data according to the present invention has the above-described configuration, it is possible to operate each unit and to select the reference FP and the like simply and quickly.
- Example 1 It is a block diagram of the similarity evaluation apparatus of aggregate data.
- Example 1 It is process drawing of the similarity evaluation method of aggregate data.
- Example 1 The FP for each drug is shown, (A) is a drug A, (B) is a drug B, and (C) is a graph showing the drug C.
- Example 1 It is explanatory drawing which shows the retention time of object FP and reference
- Example 1 It is explanatory drawing which shows the retention * time * appearance pattern of object FP.
- Example 1 It is explanatory drawing which shows the retention, time, and appearance pattern of reference
- Example 1 It is explanatory drawing which shows the coincidence number of the appearance distance of object and reference
- Example 1 It is explanatory drawing which shows the coincidence number of all the retentions, time, and appearance distance of object FP and reference
- Example 1 It is explanatory drawing which shows the coincidence degree of all the retention, time, and appearance patterns of object FP and reference
- Example 1 It is explanatory drawing which shows the peak height ratio pattern of object FP.
- Example 2 It is a data processing flowchart in FP similarity evaluation processing.
- Example 1 10 is a flowchart of a retention / time / appearance pattern coincidence calculation process in the FP similarity evaluation process.
- the purpose of making it possible to contribute to the improvement of the accuracy and efficiency of the evaluation is realized by the patterning unit, the coincidence number extracting unit, and the coincidence degree determining unit.
- Embodiment 1 of the present invention applies the aggregate data similarity evaluation device as a pre-processing of a multi-component drug evaluation device for evaluating a multi-component substance, for example, a multi-component drug.
- a multi-component drug is defined as a drug containing a plurality of active chemical ingredients, and includes, but is not limited to, herbal medicines, combinations of herbal medicines, extracts thereof, and herbal medicines.
- the dosage form is not particularly limited.
- liquids, extracts, capsules, granules, pills, suspensions / emulsions, powders, spirits, specified in the 15th revised Japanese Pharmacopoeia Tablets, soaking agents, decoction, tinctures, troches, fragrances, fluid extracts and the like are included.
- Multi-component substances include those other than drugs.
- Kampo medicines are described in the industry unification and voluntary revision of the 148 prescription “Precautions for use” of Kampo medicines for medical use, and the general Kampo prescription (1978).
- an evaluation apparatus for multi-component drugs in order to evaluate whether or not an evaluation target drug is equivalent to a plurality of drugs determined as normal products, first, from the three-dimensional chromatogram data (hereinafter referred to as 3D chromatography) of the evaluation target drug A target FP from which information specific to the drug is extracted is created. Next, the FP of the multi-component drug suitable for the peak assignment of the target FP is selected from a plurality of reference FPs. Each peak of the target FP is assigned to the selected peak of the reference FP.
- each peak of the target FP assigned as described above is assigned to the peak correspondence data (hereinafter referred to as reference group FP) of all the reference FPs created by performing peak assignment processing from all the reference FPs.
- the equivalence between the peak of the reference group FP and the peak of the target FP assigned (hereinafter referred to as the target FP attributed peak) is evaluated by the MT method.
- the obtained evaluation value (hereinafter referred to as MD value) is compared with a predetermined determination value (upper limit value of MD value) to determine whether the evaluation target drug is equivalent to a normal product.
- 3D chromatography is HPLC chromatogram data (hereinafter referred to as “chromatography”) of Chinese medicine as a multi-component drug that is a multi-component substance to be evaluated, and includes a UV spectrum.
- the FP is a finger composed of a maximum value or an area value (hereinafter referred to as a peak) of a signal intensity (height) at a peak detected at a specific wavelength, and an appearance time (hereinafter referred to as a retention time) of the peak.
- Print data a maximum value or an area value (hereinafter referred to as a peak) of a signal intensity (height) at a peak detected at a specific wavelength, and an appearance time (hereinafter referred to as a retention time) of the peak.
- the target FP is obtained by extracting a plurality of peaks at a specific detection wavelength, their retention times, and a UV spectrum from 3D chromatogram, which is three-dimensional chromatogram data of Chinese medicine to be evaluated. Therefore, the target FP is aggregate data in which peaks are aggregated as a plurality of data.
- the reference FP is a FP of Chinese medicine as a multi-component drug that is a multi-component substance defined as a normal product. Like the target FP, a 3D chromatogram data 3D chromatogram is used to generate a plurality of peaks at a specific detection wavelength. The retention time and UV spectrum are extracted. Therefore, the reference FP is also aggregate data in which peaks are aggregated as a plurality of data.
- FIG. 1 is a block diagram of an FP similarity evaluation apparatus
- FIG. 2 is a process diagram of an FP similarity evaluation method.
- the FP similarity evaluation method performed by the FP similarity evaluation device 1 functions to check the degree of coincidence between the target FP and the reference FP.
- the FP similarity evaluation apparatus 1 is configured by a computer, and includes a CPU, a ROM, a RAM, and the like (not shown).
- the FP similarity evaluation apparatus 1 can realize a similarity evaluation program of set data installed in a computer and perform similarity evaluation of a target FP.
- the similarity evaluation program for the set data uses the set evaluation program recording medium for the set data that records this, and causes the similarity evaluation apparatus 1 of the FP configured by a computer to read it, so that the target FP Similarity evaluation can also be realized.
- the patterning step S1 performed by the patterning unit 3 functioning, the match number extracting step S2 performed by the match number extraction unit 5 functioning, and the coincidence degree determination unit 7 function. And a coincidence determination step S3.
- the FP of the multi-component drug suitable for the peak assignment of the target FP is selected from the reference FP as a plurality of set data.
- the patterning step S1 patterns each peak that is each data of the target FP and the reference FP that are each set data with a selected scale.
- This scale is the distance between retention times as the peak appearance distance in this embodiment. Specifically, it will be described later.
- the coincidence number extraction step S ⁇ b> 2 compares the patterned peaks with brute force to obtain the coincidence number between the patterns.
- This number of matches is the number of matches of the appearance distance in this embodiment. Specifically, it will be described later.
- the coincidence degree determination step S3 obtains the coincidence degree between the patterns using the Tanimoto coefficient based on the obtained coincidence number.
- the Tanimoto coefficient is “Number of appearance distance matches / (number of target FP peaks + reference FP peaks ⁇ number of appearance distance matches)” And the degree of coincidence is obtained when (1-Tanimoto coefficient) is close to zero.
- This (1-Tanimoto coefficient) is weighted by (number of target FP peaks ⁇ number of appearance distance matches + 1), “(1 ⁇ Tanimoto coefficient) ⁇ (number of target FP peaks ⁇ number of appearance distance matches + 1)” It is also good.
- the FP of the drug A is the target FP and the FP of the drugs B and C is the reference FP
- a plurality of peaks before assigning each peak of the target FP to the reference group FP created from the drugs B and C The reference FP of any one of the medicines B and C suitable for the assignment of the target FP is selected from the reference FP, and each peak of the target FP is assigned to the peak of the selected reference FP.
- the degree of coincidence of the peak retention, time, and appearance pattern is calculated between the target FP and the reference FP as shown in FIGS.
- the reference FP that has the smallest degree of coincidence is selected from all the reference FPs.
- FIG. 4 to 9 are diagrams for explaining the number of coincidence of retention / time / appearance distance and the degree of coincidence of retention / time / appearance pattern between the target FP and the reference FP.
- 4 is an explanatory diagram showing the retention time of the target FP and the reference FP
- FIG. 5 is an explanatory diagram showing the retention time, appearance pattern of the target FP
- FIG. 6 is a diagram showing the retention time, appearance pattern of the reference FP. It is explanatory drawing shown.
- FIG. 7 is an explanatory diagram showing the number of matches between the appearance distances of the target and the reference FP
- FIG. 8 is an explanatory diagram showing the number of matches between the total retention time, the appearance distance of the target FP and the reference FP
- FIG. 4 shows the retention times of the target FP 15 and the reference FP 17.
- 5 and 6 show the retention times and appearance patterns in which all the retention time distances are calculated from the retention times of the target FP 15 and the reference FP 17 and the distances are tabulated.
- the retention, time, and appearance distance calculated by comparing the values of each cell of the retention, time, and appearance pattern of the target FP and the reference FP in each row and counting the number that the difference between the two values is within a certain range. Indicates the number of matches.
- the degree of coincidence of retention / time / appearance pattern is calculated based on the number of coincidence, and the degree of coincidence of retention / time / occurrence pattern is shown in a table format.
- each peak of the target FP15 is assigned with a reference FP that is as similar as possible to the target FP15. Selecting a reference FP similar to the target FP 15 from a plurality of reference FPs is an important point in making attribution with high accuracy.
- the similarity of the FP pattern is evaluated based on the degree of coincidence of the retention time, the appearance pattern.
- the retention times of the target FP 15 and the reference FP 17 are as shown in FIG. 4, the retention time / appearance patterns of the target FP 15 and the reference FP 17 are as shown in FIGS.
- the values of each cell are created as tabular patterns in which the distance between retention times is formed for the upper target FP 15 and the reference FP 17.
- the retention times of the peaks (19, 21, 23, 25, 27, 29, 31, 33, 35, 37) of the target FP 15 are (10.2), (10.5), (10 .8), (11.1), (11.6), (12.1), (12.8), (13.1), (13.6), and (14.0).
- the retention times of the peaks (39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59) of the reference FP 17 are (10.1), (10.4), (10.7), (11.1), (11.7), (12.3), (12.7), (13.1), (13.6), (14.1), (14 4).
- the distance between the retention times is the reference FP appearance pattern in the lower chart of FIG.
- the numbers surrounded by circles match, and the number of matches is seven.
- the seven coincidence numbers are written in the first line of the target and reference FP retention / time / appearance pattern in FIG. 8.
- the number of matches is obtained for each comparison.
- the numerical value 7 at the left end circled is the result of comparing the first row of the target and the reference FP retention / time / appearance pattern, and the numerical value 7 next to the numerical value is the target FP retention.
- the result is a comparison between the first line of the time / appearance pattern and the second line of the reference FP retention / time / appearance pattern.
- the range of setting values for determining the coincidence of appearance distances there is no limitation on the range of setting values for determining the coincidence of appearance distances, and it is preferably in the range of 0.05 minutes to 0.2 minutes. In Example 1, it was 0.1 minutes.
- the degree of coincidence between the retention time is RP
- a is the number of peaks of the target FP 15 (number of target FP peaks)
- b is the number of peaks of the reference FP 17 (number of reference FP peaks)
- m is the number of coincidence of retention time, appearance distance (see FIG. 8).
- the degree of coincidence (RP) of each retention, time, and appearance pattern was calculated by the above formula (see FIG. 9).
- RP_min which is the minimum value of these RPs, is defined as the degree of coincidence between the retention time, the appearance pattern of the target FP 15 and the reference FP 17.
- (0.50) is the degree of coincidence of the target FP 15 with respect to the reference FP.
- the degree of coincidence is calculated for all the reference FPs, the reference FP having the smallest degree of coincidence is selected, and the peak assignment of the target FP is performed for the reference FP.
- FIG. 11 is a flowchart showing the steps of the entire process for evaluating the similarity between FPs.
- the process is started by starting the system, and a patterning function, a coincidence number extracting function, and a coincidence degree determining function are realized in a computer. Then, the similarity of the retention time appearance pattern is evaluated between the plurality of reference FPs that are normal products and the target FP 17, and the reference FP suitable for the attribution of the target FP 17 is selected.
- FIG. 12 is a flowchart showing details of “subroutine 1” in the “FP similarity evaluation process” of FIG. In this process, the degree of coincidence of the retention, time, and appearance pattern between the FPs (for example, the target FP and the reference FP) is calculated.
- step S201 the process of “read target FP” is executed.
- the attribution target FP is read, and the process proceeds to step S202.
- step S202 the process of “obtain all retention time (R1)” is executed.
- R1 the retention time information of the target FP read in S201 is acquired, and the process proceeds to step S203.
- step S203 a process of “listing file names of all reference FPs” is executed.
- the file names of all the reference FPs are listed in advance, and the process proceeds to step S204.
- step S204 1 is substituted for n (n ⁇ 1) as the initial value of the counter for sequentially processing all the reference FPs, and the process proceeds to step S205.
- step S205 a process of “reading the list n-th reference FP (reference FP n )” is executed.
- the n-th FP of the file name list of all reference FPs listed in S203 is read, and the process proceeds to step S206.
- step S206 the process of “obtain all retention time (R2)” is executed.
- R2 the retention time information of the reference FP read in S205 is acquired, and the process proceeds to step S207.
- step S207 the process of “calculate the degree of coincidence of retention, time, and appearance pattern of R1 and R2 (RP n — min)” is executed.
- RP n — min is calculated from the retention time of the target FP acquired in S202 and the retention time of the reference FP acquired in S206, and the process proceeds to step S208.
- the detailed calculation flow of RP n — min will be separately described with reference to subroutine 1 in FIG.
- step S208 the processing of "Saving RP n _min (RP all _min" is performed.
- the RP n _min calculated in S207 and stored in the RP all _min the process proceeds to step S209.
- step S209 the process of “update n (n ⁇ n + 1)” is executed.
- n + 1 is substituted for n as an update of n, and the process proceeds to step S210.
- step S210 a determination process of “End all reference FP processes?” Is executed. In this process, it is determined whether or not all the reference FPs have been processed. If the process has been completed (YES), the process proceeds to step S211. If there is an unprocessed reference FP (NO), the process proceeds to S205 to execute the processes of S205 to S210 for the unprocessed FP. The processes of S205 to S210 are repeated until the process of all the reference FPs is completed.
- step S211 the processing of "selection criteria FP matching degree from RP all _min is minimized" is executed.
- RP 1 —min to RP n —min calculated for all the reference FPs are compared, and a reference FP that minimizes the degree of coincidence of retention, time, and appearance pattern with the target FP is selected.
- step S1001 the process of “x ⁇ R1, y ⁇ R2” is executed.
- R1 and R2 acquired in S202 and S206 of FIG. 80 are substituted for x and y, respectively, and the process proceeds to step S1002.
- step S1002 the process of “obtaining the number of data of x and y (a, b)” is executed.
- the numbers of data of x and y are acquired as a and b, respectively, and the process proceeds to step S1003.
- step S1003 1 is substituted for i (i ⁇ 1) as the initial value of the counter for sequentially calling the retention times of x (i ⁇ 1), and the process proceeds to step S1004.
- step S1004 the process of “obtain all distance from xi-th retention time (f)” is executed. In this process, the distance between the xith retention time and all subsequent retention times is acquired as f, and the process proceeds to step S1005.
- step S1005 1 is substituted for j (j ⁇ 1) as the initial value of the counter for sequentially calling the retention times of y, and the process proceeds to step S1006.
- step S1006 the process of “obtain all distance from yj-th retention time (g)” is executed.
- the distance between the yj-th retention time and all subsequent retention times is acquired as g, and the process proceeds to step S1007.
- step S1007 the processing of “"
- the retention time distances f and g acquired in S1004 and S1006 are compared in a round-robin manner, and the condition of “
- step S1008 the processing of “calculate the degree of coincidence of retention and time / appearance pattern of f and g (RP fg )” is executed.
- RP fg is obtained from a and b acquired in S1002 and m acquired in S1007.
- RP fg (1 ⁇ (m / (a + b ⁇ m))) ⁇ (a ⁇ m + 1)
- step S1009 the processing of “calculate the degree of coincidence of retention and time / appearance pattern of f and g (RP fg )” is executed.
- RP fg is obtained from a and b acquired in S1002 and m acquired in S1007.
- RP fg (1 ⁇ (m / (a + b ⁇ m))) ⁇ (a ⁇ m + 1)
- step S1009 the processing of “calculate the degree of coincidence of retention and time / appearance pattern of f and g (RP fg )” is executed.
- RP fg is obtained from a and b
- step S1009 the process of “save RP fg (RP_all)” is executed.
- the degree of coincidence calculated in S1008 is stored in RP_all, and the process proceeds to step S1010.
- step S1010 the process of “update j (j ⁇ j + 1)” is executed.
- j + 1 is substituted for j as an update of j, and the process proceeds to step S1011.
- step S1011 a determination process of “Processing complete with all retention times of y?” Is executed. In this process, it is determined whether or not all the retention times for y have been processed. If it has been completed (YES), it is determined that the processing of all retention times of y has been completed, and the process proceeds to step S1012. If not completed (NO), it is determined that an unprocessed retention time remains in y, and the process proceeds to step S1006. That is, the processing from S1006 to S1011 is repeated until all the retention times of y are processed.
- step S1012 the process of “update i (i ⁇ i + 1)” is executed.
- i + 1 is substituted for i as an update of i, and the process proceeds to step S1013.
- step S1013 a determination process of “Processing completed with all retention times of x?” Is executed. In this process, it is determined whether or not all the retention times for x have been processed. If it has been completed (YES), it is determined that all the retention times for x have been processed, and the process proceeds to step S1014. If not completed (NO), it is determined that an unprocessed retention time remains in x, and the process proceeds to step S1004. That is, the processing from S1004 to S1013 is repeated until all the retention times of x are processed.
- step S1014 the process of “obtain minimum value from RP_all (RP_min)” is executed.
- the minimum value in RP_all in which the RPs for all combinations of the retention FP, the reference FP, and the retention pattern are stored is acquired as RP_min, and the RP_min is passed to S207 in FIG. -The time / appearance pattern matching degree calculation process ends.
- Example 1 of the present invention is a FP similarity evaluation that evaluates the similarity between the target FP15 in which a plurality of peaks (19, 21,%), (39, 41,%) Are aggregated and the reference FP17.
- a patterning step of patterning the peaks (19, 21,%), (39, 41,%) Of the target FP 15 and the reference FP 17 as shown in FIGS. S1 is compared with each pattern that has been patterned, and the match number extraction step S2 for obtaining the number of matches as shown in FIG. 8 and the degree of match as shown in FIG. 9 using the Tanimoto coefficient based on the found number of matches.
- the similarity between the target FP 15 and the reference FP 17 can be easily and quickly evaluated, and each peak of the target FP 15 can be attributed to the reference FP having an FP pattern that is as similar as possible to the target FP 15.
- attribution with higher accuracy can be performed.
- the Tanimoto coefficient is The number of coincidence of appearance distance / (number of target FP peaks + number of reference FP peaks ⁇ number of coincidence of appearance distance) is obtained, and the degree of coincidence is calculated when (1 ⁇ Tanimoto coefficient) is close to zero, (1 ⁇ Tanimoto coefficient) And weighting (number of target FP peaks ⁇ number of appearance distance matches + 1), “(1 ⁇ Tanimoto coefficient) ⁇ (number of target FP peaks ⁇ number of appearance distance matches + 1)” The degree of coincidence is obtained.
- the group data similarity evaluation program evaluates the similarity of FPs by implementing a patterning function, a matching number extraction function, and a matching degree determination function, and easily and quickly selects a reference FP. Can contribute.
- the patterning unit 3, the coincidence number extracting unit 5, and the coincidence degree determining unit 7 can realize an FP similarity evaluation method.
- FIG. 10 is an explanatory diagram showing a peak height ratio pattern of the target FP.
- the value of each cell is formed into a tabular pattern pattern.
- each peak height of each peak (19, 21, 23, 25, 27, 29, 31, 33, 35, 37) of the target FP 15 is (5, 9, 2, 30, 2, 21, 32, 4, 4, 11).
- the patterning step S1 patterns the scale as the peak height ratio.
- the coincidence number extraction step S2 uses the coincidence number as the coincidence number of the height ratio, compares each peak patterned with the height ratio of the peaks, and calculates the number of coincidence of the height ratios within the set range. To do. By this calculation, the number of matches can be obtained as in FIG.
- the Tanimoto coefficient is set to “the number of coincidence of height ratio / (number of target FP peaks + number of reference FP peaks ⁇ number of coincidence of height ratio)”, and (1 ⁇ Tanimoto coefficient) is close to zero. Thus, the degree of coincidence can be obtained.
- (1-Tanimoto coefficient) is weighted by (number of target FP peaks ⁇ number of matching height ratio + 1), and “(1-Tanimoto coefficient) ⁇ (number of target FP peaks ⁇ number of matching height ratio + 1)”. ) ", And the reference FP in which the peaks (19, 21,%) Of the target FP 15 are more matched by weighting can be selected.
- the examples of the present invention are applied to the evaluation of Chinese medicine as a multi-component drug, but can also be applied to the evaluation of other multi-component substances.
- the chromatograph is not limited to the 3D chromatograph, and a FP that includes a peak excluding the UV spectrum and its retention time can also be used.
- the method for evaluating similarity of aggregate data is a similarity evaluation method for examining the degree of coincidence between aggregate data in which a plurality of data are aggregated, and patterning each data of each aggregate data with a selected scale.
- a patterning step, a match number extraction step for determining the number of matches by comparing each of the patterned data with a brute force, and a match level determination step for determining a match level using a Tanimoto coefficient based on the determined number of matches In addition, it can be widely applied to the evaluation of the similarity between set data.
- the collective data is not limited to the FP but can be applied to other signal data.
- the FP which is the aggregate data of the above example, is created based on the peak height and the similarity is evaluated by the above method. However, when the FP is created by the peak area value, it can be evaluated by the same method. .
- the FP when the FP is created with the peak area, the FP is created by expressing the area value with the height, and therefore, the FP has the same expression as that when creating with the peak height in the above-described embodiment. For this reason, when the FP is created with the peak area, the similarity can be evaluated by the processing of Example 1 or Example 2 as in the case where the FP is created with the peak height of the signal intensity.
- the patterning unit, the patterning process, and the patterning function are the scale selected for each data of each set data, the peak appearance distance of Example 1, and the peak height ratio of Example 2.
- it can be made to carry out similarly to Example 2 using the area ratio of a peak area.
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Abstract
Description
[FPの類似性評価装置、類似性評価方法]
図1は、FPの類似性評価装置のブロック図、図2は、FPの類似性評価方法の工程図である。
「出現距離の一致数/(対象FPピーク数+基準FPピーク数-出現距離の一致数)」
とし、(1-Tanimoto係数)が零に近いことで前記一致度を求める。
「(1-Tanimoto係数)×(対象FPピーク数-出現距離の一致数+1)」
としても良い。
[FPの類似性評価装置、類似性評価方法の動作原理]
図3(A)は、薬剤A、(B)は、薬剤B、(C)は、薬剤CのFPである。
RPfg = {1-(m/(a+b-m))}×(a-m+1)
として算出する。
図11、12は、類似性評価プログラムに係るフローチャートである。
ステップS201では、「対象FPを読み込む」の処理が実行される。この処理では、帰属対象のFPを読み込み、ステップS202へ移行する。
ステップS1001では、「x←R1、y←R2」の処理が実行される。この処理では、図80のS202とS206で取得したR1及びR2をそれぞれxとyに代入し、ステップS1002へ移行する。
RPfg = (1-(m/(a+b-m)))×(a-m+1)
として算出し、ステップS1009へ移行する。
本発明の実施例1は、複数のピーク(19、21、・・・)、(39、41、・・・)が集合した対象FP15と基準FP17との類似性を評価するFPの類似性評価方法であって、対象FP15及び基準FP17の各ピーク(19、21、・・・)、(39、41、・・・)を出現距離で図5、図6のようにパターン化するパターン化工程S1と、パターン化した各パターンを総当たりで比較し、図8のように一致数を求める一致数抽出工程S2と、求めた一致数を基にTanimoto係数を用いて図9のように一致度を求める一致度判定工程S3とを備えた。
「出現距離の一致数/(対象FPピーク数+基準FPピーク数-出現距離の一致数)」とし、(1-Tanimoto係数)が零に近いことで一致度を求め、(1-Tanimoto係数)に、(対象FPピーク数-出現距離の一致数+1)の重み付けをし、
「(1-Tanimoto係数)×(対象FPピーク数-出現距離の一致数+1」
として一致度を求める。
本発明実施例は、多成分薬剤として漢方薬の評価について適用したが、その他の多成分物質の評価にも適用することができる。クロマトは、3Dクロマトに限らず、FPとしてUVスペクトルを除いたピークとそのリテンション・タイムとで構成されたものを用いることもできる。
3 パターン化部
5 一致数抽出部
7 一致度判定部
S1 パターン化工程
S2 一致数抽出工程
S3 一致度判定工程
Claims (18)
- 複数のデータが集合した集合データ相互の類似性を評価する集合データの類似性評価方法であって、
前記各集合データの各データを選択された尺度でパターン化するパターン化工程と、
前記パターン化した各データを総当たりで比較し一致数を求める一致数抽出工程と、
前記求めた一致数を基にTanimoto係数を用いて一致度を求める一致度判定工程と、
を備えたことを特徴とする集合データの類似性評価方法。 - 請求項1記載の集合データの類似性評価方法であって、
前記集合データは、ピークとそのリテンション・タイムとからなるFPであり、
前記パターン化工程は、前記尺度をピークの出現距離、高さ比、面積比の何れかとし、対象FPに最も近い基準FPを複数種の基準FPから前記一致度により選定する場合に、
前記一致数抽出工程は、前記一致数を前記出現距離、高さ比、面積比の何れかの一致数とし、
前記一致度判定工程は、前記Tanimoto係数を、
「出現距離、高さ比、面積比の何れかの一致数/(対象FPピーク数+基準FPピーク数-出現距離、高さ比、面積比の何れかの一致数)」
とし、(1-Tanimoto係数)が零に近いことで前記一致度を求める、
ことを特徴とする集合データの類似性評価方法。 - 請求項2記載の集合データの類似性評価方法であって、
前記(1-Tanimoto係数)に、(対象FPピーク数-出現距離、高さ比、面積比の何れかの一致数+1)の重み付けをし、
「(1-Tanimoto係数)×(対象FPピーク数-出現距離、高さ比、面積比の何れかの一致数+1)」
とした、
ことを特徴とする集合データの類似性評価方法。 - 請求項2又は3記載の集合データの類似性評価方法であって、
前記FPは、多成分物質のクロマトから検出された、
ことを特徴とする集合データの類似性評価方法。 - 請求項4記載の集合データの類似性評価方法であって、
前記多成分物質は、多成分薬剤である、
ことを特徴とする集合データの類似性評価方法。 - 請求項5記載の集合データの類似性評価方法であって、
前記多成分薬剤は、生薬、生薬の組合せ、それらの抽出物、漢方薬の何れかである、
ことを特徴とする集合データの類似性評価方法。 - 複数のデータが集合した集合データ相互の類似性を評価する集合データの類似性評価プログラムであって、
前記各集合データの各データを選択された尺度でパターン化するパターン化機能と、
前記パターン化した各データを総当たりで比較し一致数を求める一致数抽出機能と、
前記求めた一致数を基にTanimoto係数を用いて一致度を求める一致度判定機能と、
をコンピュータに実現させることを特徴とする集合データの類似性評価プログラム。 - 請求項7記載の集合データの類似性評価プログラムであって、
前記集合データは、ピークとそのリテンション・タイムとからなるFPであり、
前記パターン化機能は、前記尺度をピークの出現距離、高さ比、面積比の何れかとし、対象FPに最も近い基準FPを複数種の基準FPから前記一致度により選定する場合に、
前記一致数抽出機能は、前記一致数を前記出現距離、高さ比、面積比の何れかの一致数とし、
前記一致度判定機能は、前記Tanimoto係数を、
「出現距離、高さ比、面積比の何れかの一致数/(対象FPピーク数+基準FPピーク数-出現距離、高さ比、面積比の何れかの一致数)」
とし、(1-Tanimoto係数)が零に近いことで前記一致度を求める、
ことを特徴とする集合データの類似性評価プログラム。 - 請求項8記載の集合データの類似性評価プログラムであって、
前記(1-Tanimoto係数)に、(対象FPピーク数-出現距離、高さ比、面積比の何れかの一致数+1)の重み付けをし、
「(1-Tanimoto係数)×(対象FPピーク数-出現距離、高さ比、面積比の何れかの一致数+1)」
とした、
ことを特徴とする集合データの類似性評価プログラム。 - 請求項8又は9記載の集合データの類似性評価プログラムであって、
前記FPは、多成分物質のクロマトから検出された、
ことを特徴とする集合データの類似性評価プログラム。 - 請求項10記載の集合データの類似性評価プログラムであって、
前記多成分物質は、多成分薬剤である、
ことを特徴とする集合データの類似性評価プログラム。 - 請求項11記載の集合データの類似性評価プログラムであって、
前記多成分薬剤は、生薬、生薬の組合せ、それらの抽出物、漢方薬の何れかである、
ことを特徴とする集合データの類似性評価プログラム。 - 複数のデータが集合した集合データ相互の類似性を評価する類似性評価装置であって、
前記各集合データの各データを選択された尺度でパターン化するパターン化部と、
前記パターン化した各データを総当たりで比較し一致数を求める一致数抽出部と、
前記求めた一致数を基にTanimoto係数により一致度を求める一致度判定部と、
を備えたことを特徴とする集合データの類似性評価装置。 - 請求項13記載の集合データの類似性評価装置であって、
前記集合データは、ピークとそのリテンション・タイムとからなるFPであり、対象FPに最も近い基準FPを複数種の基準FPから前記一致度により選定する場合に、
前記パターン化部は、前記尺度をピークの出現距離、高さ比、面積比の何れかとし、
前記一致数抽出部は、前記一致数を前記出現距離、高さ比、面積比の何れかの一致数とし、
前記一致度判定部は、前記Tanimoto係数を、
「出現距離、高さ比、面積比の何れかの一致数/(対象FPピーク数+基準FPピーク数-出現距離、高さ比、面積比の何れかの一致数)」
とし、(1-Tanimoto係数)が零に近いことで前記一致度を求める、
ことを特徴とする集合データの類似性評価装置。 - 請求項14記載の集合データの類似性評価装置であって、
前記(1-Tanimoto係数)に、(対象FPピーク数-出現距離、高さ比、面積比の何れかの一致数+1)の重み付けをし、
「(1-Tanimoto係数)×(対象FPピーク数-出現距離、高さ比、面積比の何れかの一致数+1)」
とした、
ことを特徴とする集合データの類似性評価装置。 - 請求項14又は15記載の集合データの類似性評価装置であって、
前記FPは、多成分物質のクロマトから検出された、
ことを特徴とする集合データの類似性評価装置。 - 請求項16記載の集合データの類似性評価装置であって、
前記多成分物質は、多成分薬剤である、
ことを特徴とする集合データの類似性評価装置。 - 請求項17記載の集合データの類似性評価装置であって、
前記多成分薬剤は、生薬、生薬の組合せ、それらの抽出物、漢方薬の何れかである、
ことを特徴とする集合データの類似性評価装置。
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Also Published As
Publication number | Publication date |
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CN102985818A (zh) | 2013-03-20 |
TWI521203B (zh) | 2016-02-11 |
CN102985818B (zh) | 2016-03-02 |
US20130197813A1 (en) | 2013-08-01 |
EP2717048A4 (en) | 2014-12-10 |
JPWO2012164954A1 (ja) | 2015-02-23 |
EP2717048B1 (en) | 2020-04-01 |
KR20130029405A (ko) | 2013-03-22 |
JP5910506B2 (ja) | 2016-04-27 |
EP2717048A1 (en) | 2014-04-09 |
KR101436534B1 (ko) | 2014-09-01 |
HK1181116A1 (zh) | 2013-11-01 |
TW201314205A (zh) | 2013-04-01 |
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