CN207488183U - Near-infrared spectrometer and transmission platform - Google Patents
Near-infrared spectrometer and transmission platform Download PDFInfo
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- CN207488183U CN207488183U CN201721367787.0U CN201721367787U CN207488183U CN 207488183 U CN207488183 U CN 207488183U CN 201721367787 U CN201721367787 U CN 201721367787U CN 207488183 U CN207488183 U CN 207488183U
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Abstract
The utility model is related to a kind of transmission platforms of near-infrared spectrometer, including a substrate, substrate is equipped with two pieces of starting staves being mutually parallel and the second riser, corresponding transmissive window is respectively offered on starting stave and the second riser, transmissive window is covered with optics window, and optics window is located on the opposite side of two pieces of risers, an objective table is equipped between starting stave and the second riser, for carrying the soft bag for filling determinand, and the objective table is located at the lower section of optical window piece lower edge, the soft bag for filling determinand is located between two optics windows, at least one riser can be moved horizontally along the surface of substrate, the light path that the soft bag for filling determinand is clamped between two optics windows and between two optics windows is adjusted.The utility model further relates to a kind of near infrared spectrometer for including above-mentioned transmission platform.
Description
Technical field
The utility model is related to biological detection instrument field more particularly to a kind of near-infrared spectrometer and transmission are flat
Platform.
Background technology
Transfusion infection virus in order to prevent, blood used in clinic starch widely used methylenum careuleum luminescence method and go out to plasma viral
Living, this is that China is uniquely approved single part blood constituent Viral inactivation techniques in Clinical practice.Inactivation process is in Plasma Inactivation
Bag in carry out, and in Plasma Inactivation bag inactivator methylenum careuleum release, be that aseptically blood plasma flows through methylenum careuleum memory
When by gradually dissolve and together with blood plasma enter inactivation bag, which is the release process of methylenum careuleum, and burst size is to determine
Determine the key parameters of inactivation of virus degree.Mass data shows that virus inactivator methylenum careuleum must assure that and is released one very narrow
High-volume range, China are defined as 0.9-1.3 μm of ol/L.In order to as far as possible easily and fast, delicately detect burst size, gone out
The method largely based on sampling detection is showed, including solid phase extractions-spectrophotometry, enhanced sensitivity fluorescent spectrometry, HPLC, change
Learn luminescence method, Resonance Rayleigh Scattering Spectral Method.Sampling detection need using draw-out device extracted from Plasma Inactivation bag sample into
Row detection, since extraction operation will cause to damage to Plasma Inactivation bag, this detection method that damages easily leads to blood in sampling
Secondary pollution is starched, including bacterium, chemical pollutant and particulate matter, the blood plasma in Plasma Inactivation bag is caused to be no longer available for people
Body causes the waste of blood plasma.Also this is based on, the blood plasma detected through burst size cannot also be used further to clinic.Therefore, it is right
It is applied to clinical blood plasma in each bag, it is impossible to carry out such based on the inactivation quality control for damaging detection.
At present, the lossless quick detection of sample is usually carried out using near infrared spectroscopy, to be suitable for the matter of production process
Amount control.Wherein, the non-destructive testing that diffusing reflection near infrared spectrum carries out sample is should be most commonly used, but this method has
Certain limitation：This method applies in general to solid, powder, body of paste first, and fluid sample is then difficult to be applicable in, due to
Only generation is extremely weak after illumination injection liquid diffuses, and most of or even all transmitted lights, therefore, it is difficult to unrestrained according to it
Reflect the quantitative detection for certain substance that near infrared spectrum is carried out in liquid.
Since the structure of existing near-infrared infrared spectrometer limits, the existing substance in liquid carries out fast quantification
Near infrared spectrum detection method is usually required to sample from tested container and is detected, mainly including two ways.The first, will take
The fluid sample obtained is placed in cuvette, and the cell rack for being then placed in instrument is detected；Second, by the liquid with slit
Body fibre-optical probe is inserted among the liquid of tested container, tested liquid flow directly into the fibre-optical probe as cuvette slit it
In, to realize sampling operation, and signal is transferred to spectrometer by optical fiber again, to realize quick detection.Among either two kinds
The defects of any mode is to damage detection method, this method has hereinbefore been described in detail.And use existing infrared light
Spectrometer, which is directly detected plasma bags, can encounter very big problem, first, more bubble, these gas be contained in Plasma Inactivation bag
If steeping can cause measurement result to generate very big error in detection zone；Secondly, when Plasma Inactivation bag directly detects, due to bag
Body is softer, in irregular shape, and the light path of spectral detection is difficult to fix, and is difficult to calculate the content of determinand using quantitative equation.
Certainly, it inactivates the blood plasma in bag and contains a large amount of large biological molecule, C-H bond therein can generate a large amount of near infrared spectrum letter
Number, also by interference detection results, certain difficulty is brought to detection method.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of near-infrared spectrometer and transmission is flat
Platform, structure setting overcomes the prior art and is difficult to accurately carry out the defects of near-infrared is quantitative to sample in irregular shape, real
Lossless, quick, the accurate analysis of the methylenum careuleum burst size in Plasma Inactivation bag is showed.
The utility model provides a kind of transmission platform of near-infrared spectrometer, and transmission platform includes a substrate, base
Two pieces of starting staves being mutually parallel and the second riser are equipped on plate vertically, is respectively offered on starting stave and the second riser opposite
The transmissive window answered, transmissive window is covered with transparent optics window, and optics window is located on the opposite side of two pieces of risers, and first
An objective table is equipped between riser and the second riser, for carrying the soft bag for filling determinand, and the objective table is located at optical window
The lower section of piece lower edge, the soft bag for filling determinand are located between two optics windows, and at least one riser can be along the substrate
Surface moves horizontally so that the soft bag for filling determinand is clamped in light between two optics windows and between two optics windows
Journey can adjust.
Further, objective table is located at least 2cm below optical window piece lower edge.
Further, starting stave is fixedly connected with substrate, and objective table is fixedly connected with starting stave, is opened on the second riser
Bar hole equipped with face objective table, bar hole are adapted with the shape of objective table, and objective table can be slidably inserted into bar hole.
Further, guide rail is fixedly connected on substrate, the second riser can slide along guide rail level and can be locked in guide rail
Any position, so as to fix distance (i.e. light path) between two optics windows.
Further, the number of guide rail is two, and each guide rail is set perpendicular to second riser.
Further, a positioning table is fixedly connected in one side of second riser far from starting stave, the second riser passes through
Positioning table is slidably connected with guide rail, and positioning table is threaded with a screw rod, and the axial direction of screw rod and the second riser are perpendicular, on guide rail
A fixed baffle is fixedly connected with, fixed baffle opens up a through-hole, and screw rod is arranged in through-hole.
Further, the material of optics window is quartz or optical glass.
Further, transmissive window is rectangular.
Further, the area of optics window is more than the area of transmissive window.
Further, the substrate that is parallel to of objective table is set.
The utility model additionally provides a kind of near infrared spectrometer, including light source, monochromator, detector and computer disposal
Information system further includes above-mentioned transmission platform.
According to the above aspect of the present invention, the utility model has at least the following advantages：
The structure setting of the transmission platform of the near-infrared spectrometer of the utility model can realize Plasma Inactivation bag nothing
Damage detection when fix light path, and can effectively solve the problem that the bubble in Plasma Inactivation bag be present in light path the problems in, make
Quantitative result is accurate, reliable.Due to the squeezing action of optics window, it is by the Plasma Inactivation bag extruding between two pieces of optics windows
The plane of rule, simultaneously as the density of bubble is relatively low, under optics window extruding force, in Plasma Inactivation bag therebetween
Bubble rushed to naturally in the Plasma Inactivation bag other than optics window crimping section, so as to which bubble be made not appear in inspection
Survey region.
The near-infrared spectrometer of transmission platform containing the utility model is when in use, it can be achieved that non-sampling mode
Under, lossless, quick, the accurate analysis of the methylenum careuleum burst size in Plasma Inactivation bag can be realized outside Plasma Inactivation bag.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model transmission platform；
Fig. 2 is the leading flank structure diagram of the utility model transmission platform；
Fig. 3 is the left side structure diagram of the utility model transmission platform；
Fig. 4 is the enlarged structure schematic diagram of Fig. 3 centre circles A；
Fig. 5 is the overlooking the structure diagram of the utility model transmission platform；
Fig. 6 is the atlas of near infrared spectra after baseline drift elimination in embodiment 2；
Fig. 7 is the residual error of the PLS models of the cross-verification based on leave-one-out；
Fig. 8 is the multivariate analysis model figure of methylenum careuleum burst size；
Reference sign：
The second risers of 1-；2- quartz plates；3- Plasma Inactivation bags；4- transmissive windows；5- substrates；6- starting staves；7- objective tables；
8- positioning tables；9- screw rods；10- guide rails；11- fixed baffles.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but be not intended to limit the scope of the present invention.
Embodiment 1
Referring to Fig. 1-5, the transmission platform of a kind of near-infrared spectrometer of the utility model, including a substrate 5, substrate
Two pieces of 6 and second risers 1 of the starting stave being mutually parallel are connected on 5,6 and second riser 1 of starting stave is perpendicular to base
Plate 5 is set.Corresponding rectangular transmission window 4 is respectively offered on two pieces of risers, 4 upper cover of transmissive window is equipped with rectangular suprasil piece
2, quartz plate 2 is located on the opposite side of two pieces of risers, and the area of quartz plate 2 is more than the area of transmissive window 4.Starting stave 6 with
Substrate 5 is fixedly connected, and objective table 7 is also fixedly connected on starting stave 6, and objective table 7 is located at below 2 lower edge of quartz plate at least
2cm, objective table 7 fill the soft bag of determinand for placing.The upper surface of objective table 7 is parallel with substrate 5, on the second riser 1
The bar hole of face objective table 7 is offered, bar hole is adapted with the shape of objective table 7, so that objective table 7 is slidably inserted
Enter in bar hole.Two guide rails 10 are fixedly connected on substrate 5, guide rail 10 is set perpendicular to the second riser 1, and the second riser 1 can
It is slided along guide rail 10 is horizontal.A positioning table 8,8 spiral shell of positioning table are fixedly connected in second one side of the riser 1 far from starting stave 6
Line is connected with a screw rod 9, and the axial direction of screw rod 9 and the second riser 1 are perpendicular, and positioning table 8 is slidably connected with guide rail 10, on guide rail 10
A fixed baffle 11 is fixedly connected with, fixed baffle 11 opens up a through-hole, and screw rod 9 is arranged in through-hole.
When carrying out sample detection, such as the sample detection in Plasma Inactivation bag 3, first adjusting screw rod make it drive second to erect
Plate 1 is moved along guide rail 10, it is made to slide into the distance of needs, glide direction is vertical with the plane where riser, then adjusts spiral shell
Bar 9 is fixed in this position the second riser 1, that is, secures the light path of transmission detection.And second riser 1 in sliding process, carry
Object platform 7 is slidably inserted into the bar hole set thereon, to facilitate adjusting light path and ensure under different light paths, quartz plate
2 can clamp Plasma Inactivation bag 3.Plasma Inactivation bag 3 is placed on objective table 7, and is slightly firmly squeezed in the top of bag,
Plasma Inactivation bag is made closely to be contacted with two optics windows so that Plasma Inactivation bag 3 is clamped between two quartz plates 2.
When quartz plate 2 squeezes Plasma Inactivation bag 3 so that the shape of 3 formation rule of Plasma Inactivation bag between two blocks of quartz plates 2, thus
Exact light path (distance indicated such as the graticule " 5 " in Fig. 4 is to detect light path) is secured, and in Plasma Inactivation bag 3
Plasma bags part migration of the bubble more than 2 upper edge of quartz plate so that do not have bubble between quartz plate 2, prevent it from being tied to detection
Fruit impacts.
Embodiment 2
In following embodiment, the material used includes：The non-inactivation human plasma that Suzhou City Red Cross center blood station provides, makes
With the filter filtrating leukocytes in disposable viral inactivating corollary apparatus, the blood plasma (i.e. blank plasma) without methylenum careuleum is obtained.
Disposable blood device for taking and transfusing (transfering bag, specification comprising Plasma Inactivation bag：35ml, product batch number：170428, Si Chuannan
Ge Er bio tech ltd).Methylenum careuleum hydrochloride (analyzes pure, the content based on dry product>97%, Sigma-Aldrich
Company), experimental water is tri-distilled water.Near infrared spectrometer (model：NEXUS, Thermo companies of the U.S.), transmission platform according to
Embodiment 1 is transformed.
Using the near infrared spectrometer of the transmission platform containing the utility model, the changeable of methylenum careuleum burst size is initially set up
Analysis model is measured, it is specific as follows：
(1) methylenum careuleum storing solution is configured first：Weigh methylenum careuleum 1.3953g (analysis is pure, loss on drying rate for 10.6%),
It is placed in the volumetric flask of 500mL, with PBS solution constant volume.Precision measures 1.00ml methylene blue solutions, then is settled to PBS solution
1000ml is to get 7.8 μm of ol/L methylenum careuleum storing solutions.It is protected from light, is sealed.
(2) it is reconfigured sample to be tested：First with methylenum careuleum storing solution and PBS buffer solution (pH=7.4), use is gradually dilute
Firsts and seconds dilution is prepared in interpretation of the law.Later, with storing solution, dilution and blood plasma, accurate compound concentration is 0.312-2.959
The methylenum careuleum plasma solutions totally 52 of μm ol/L.Finally, it is adopted in defeated transfering bag and filled to each blood with primary sterilization syringe
Methylenum careuleum plasma solutions are to get sample to be tested.
(3) the near infrared spectrum detection of sample
Outer surface with alcohol wipe test plasma inactivation bag and the quartz plate on transmission platform, as described in Example 1
The distance between 6 and second riser 1 of starting stave is adjusted, the light path between two optics windows is made to be fixed as 3.5mm.Later,
Plasma Inactivation bag is placed on according to the method for embodiment 1 on transmission platform, the position that Plasma Inactivation bag is put every time left and right as possible
Both sides are aligned, and measure sample spectrum.Instrument parameter is：Wave number 4000-10000cm-1, light path 3.5mm, resolution ratio 8cm-1, scanning
Number 32, sweep speed 0.3165, aperture 22, gain 1.Before detecting sample on the day of, with filled with air, not used blood plasma
Bag is inactivated as spectral background.
(4) by the NIR transmittance spectroscopy of sample in the plasma bags for detecting acquisition with 3999.7-4265.8cm-1The light in section
It composes and carries out baseline drift calibration for standard.Select 5827.9-6464.3cm-1And 7467.1-9009.9cm-1For rich information section,
Using the spectrum of mean value centralization as model variable, it is 11 to select number of principal components, by height distribution 11 samples of random selection of concentration
This is forecast set, and using remaining 41 samples as calibration set, the multi-variables analysis mould of methylenum careuleum burst size is established in PLS methods
Type.
For the lower wave number region of near infrared spectrum, it will usually will appear one section of spectrum baseline.It should be horizontal line, no
With concentration sample the section spectrum should it is completely overlapped, without statistical discrepancy, and trap mean value is 0.In Fig. 6,
3999.7-4265.8cm-1Section is the spectrum baseline of each sample.However, in original spectrum, the baseline hair of various concentration sample
Drift is given birth to, drift value is about 7, and this drift value unrelated with concentration will have an impact the accuracy of methylenum careuleum burst size.
With the detection spectrum of each sample in 3999.7-4265.8cm-1The absorbance mean value in section drifts about to it as drift value
Eliminate the spectrum after the elimination drift to get all samples.
From the spectrum (Fig. 6) after baseline drift elimination it can be found that the plasma sample of methylenum careuleum goes out in entire spectrum range
5350-6600cm is showed-1And 7200-10001cm-1The obvious absorption peaks in two sections are absorption peak spectral regions.For the former,
It is made of two acromions of height, in 5350-5828cm-1Lower wave number region, not only trap is relatively low for spectrum, essentially without peak
Horizontal line, and awave burr occur, the precision that the spectral signal of this kind of low signal-to-noise ratio will influence Quantitative Analysis Model.
And high wavenumber range 6464-6600cm-1Spectrum, for the end spectrum of the absorption peak, trap is relatively low, and signal is weaker, equally
Also low signal-to-noise ratio is shown as.Therefore, the 5827.9-6464.3cm of the absorption peak spectral regions is selected-1Spectrum be rich signal spectrum.
Similarly, in 7200-10001cm-1Absorption peak spectral regions select 7467.1-9009.9cm-1Spectrum be rich signal spectrum.
With 5827.9-6464.3cm-1And 7467.1-9009.9cm-1Spectrum be rich informative spectral, with mean value centralization
Spectrum for model variable, the cross-verification of leave-one-out, PLS when calculating different number of principal components are pressed with calibration set sample
The residual error (Fig. 7) of model prediction methylenum careuleum concentration.It can be found that we are with the increase of number of principal components, the concentration residual error of prediction
With the trend being gradually reduced, show that the accuracy of model gradually increases.After number of principal components >=11, what prediction residual reduced
Degree significantly becomes smaller, and it is relatively low to the contribution rate of model accuracy to illustrate that number of principal components continues to increase.Certainly, number of principal components is excessive
It can lead to the over-fitting of model, therefore, select 11 as number of principal components.
Using the rich informative spectral in two sections that selects as the identification variable of methylenum careuleum burst size, based on aforementioned determining master
Component number through spectrum average centralization, the multivariate analysis model of burst size is established using PLS methods, wherein dense by methylenum careuleum
The height distribution of degree, it is forecast set to randomly choose 11 samples, remaining 41 are forecast set, as a result referring to Fig. 8, in figure
Calibration set sample is represented, ● represent forecast set sample.It can be found that in multivariate analysis model, the correction of calibration samples is dense
Degree can be corresponded preferably with actual concentration, and in entire detectable concentration section, it is (diagonal that they are distributed in actual concentration
Line) near, coefficient R corr=98.16%.Using the model of foundation, to the methylenum careuleum in independent forecast set sample
Burst size is predicted (i.e. pattern detection), also it is not difficult to find that the prediction concentrations of these samples still show it is good right
It should be related to, they can be also distributed near actual concentration, and coefficient R pred is up to 98.93%.It is indicated above that this
The model that utility model is established has good accuracy.
In order to illustrate the accuracy of model, the sample of design senior middle school low concentration group carries out recovery test, the results are shown in Table 1.
As seen from Table 1, no matter concentration level, each concentration group has the good rate of recovery, and the rate of recovery does not have in 103.6%-110.8%
There is concentration level correlation, there is randomness, illustrate that the lossless detection method established is accurate, reliable.Certainly, lowest rate of return is low
To 96%, and highest is then up to 119%, this for lossless, rapid detection method, particularly biological sample a detection,
It is entirely an acceptable accuracy.
The accuracy of the non-damaging detection methylene blue in blood plasma burst size of 1 near infrared spectrum of table
The above result shows that the transmission platform of the near infrared spectrometer using the utility model, utilizes the good of near infrared light
Good penetrability establishes blood using NIR transmittance spectroscopy and adopts blood-plasma virus killing agent methylenum careuleum burst size in defeated transfering bag
Nondestructive Testing Model and method.By the NIR transmittance spectroscopy of sample in the plasma bags that acquisition is carried out non-destructive testing outside plasma bags
As identification variable, with 3999.7-4265.8cm-1The spectrum in section carries out baseline drift calibration for standard, selects 5827.9-
6464.3cm-1And 7467.1-9009.9cm-1The spectrum in section is rich informative spectral, is become by model of the spectrum of mean value centralization
Amount, it is 11 to select number of principal components, and it is forecast set to randomly choose 11 samples, using remaining 41 samples as calibration set, with PLS side
Method establishes the multivariate analysis model of methylenum careuleum burst size.The formula of the model is as follows：
C=k1A1+k2A2+···+knAn, wherein, the concentration of methylenum careuleum, A in c representative samples1、A2···AnRespectively
It is λ for the corresponding wavelength in rich informative spectral section selected in the detection spectrum from the sample1、λ2···λnThe extinction at place
Degree, k1、k2···knFor corresponding PLS regression coefficients.
It is respectively 98.16% (calibration set) and 98.93% (prediction to the related coefficient of each concentration of specimens that model, which calculates concentration,
Collection), the average recovery rate of senior middle school's low concentration group sample is in 103.6%-110.8%.Thus illustrate, the utility model is established near
Infrared transmission spectra method can realize that lossless, quick, accurate analyze adopts the burst size of methylenum careuleum in defeated transfering bag outside plasma bags.
The monitoring to adopting blood-plasma virus killing quality in defeated transfering bag can be realized under conditions of non-secondary pollution by implying.
Embodiment 3
Using the near infrared spectrometer of the transmission platform containing the utility model, using the methylenum careuleum burst size of above-mentioned foundation
Multivariate analysis model carry out methylene blue in blood plasma burst size detection, it is specific as follows：
Outer surface with alcohol wipe test plasma inactivation bag and the quartz plate on transmission platform, according to the side of embodiment 1
The distance between method adjustment 6 and second riser 1 of starting stave, makes the light path between two optics windows be fixed as 3.5mm.Then
The Plasma Inactivation bag (the Plasma Inactivation bag for releasing methylenum careuleum) of unknown methylenum careuleum content is placed on objective table, Plasma Inactivation
The position that bag is put every time the right and left as possible is aligned, and measures sample spectrum.Instrument parameter is：Wave number 4000-10000cm-1, light path
3.5mm, resolution ratio 8cm-1, scanning times 32, sweep speed 0.3165, aperture 22, gain 1.Before detecting sample on the day of, with filling
There are air, not used Plasma Inactivation bag as spectral background.Then by measured NIR transmittance spectroscopy with 3999.7-
4265.8cm-1The spectrum in section carries out baseline drift calibration for standard.Select 5827.9-6464.3cm-1And 7467.1-
9009.9cm-1For rich information section, the formula of model that the absorbance substitution embodiment 2 at each wavelength in the section is established
In, calculate the methylenum careuleum content in Plasma Inactivation bag.
The above is only the preferred embodiment of the utility model, is not intended to limit the utility model, it is noted that
For those skilled in the art, it under the premise of the utility model technical principle is not departed from, can also do
Go out several improvement and modification, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of transmission platform of near-infrared spectrometer, it is characterised in that：The transmission platform includes a substrate, the base
Two pieces of starting staves being mutually parallel and the second riser are equipped on plate vertically, is respectively offered on the starting stave and the second riser
Corresponding transmissive window, the transmissive window is covered with transparent optics window, and to be located at two pieces of risers opposite for the optics window
Side on, an objective table is equipped between the starting stave and the second riser, the soft bag of determinand is filled for carrying, it is described
Objective table is located at the lower section of optical window piece lower edge, and the soft bag for filling determinand is located between two optics windows, and at least one
A riser can be moved horizontally along the surface of the substrate, and the soft bag for filling determinand is made to be clamped between two optics windows
And the light path between two optics windows can adjust.
2. the transmission platform of near-infrared spectrometer according to claim 1, it is characterised in that：The starting stave with
The substrate is fixedly connected, and the objective table is fixedly connected with the starting stave, and face institute is offered on second riser
The bar hole of objective table is stated, the bar hole is adapted with the shape of the objective table, and the objective table can be slidably inserted into described
In bar hole.
3. the transmission platform of near-infrared spectrometer according to claim 1, it is characterised in that：It is fixed on the substrate
Several guide rails are connected with, second riser can slide along the guide rail level and can be locked in any position of guide rail.
4. the transmission platform of near-infrared spectrometer according to claim 3, it is characterised in that：The number of the guide rail
It it is two, each guide rail is set perpendicular to second riser.
5. the transmission platform of near-infrared spectrometer according to claim 1, it is characterised in that：Second riser is remote
From a positioning table is fixedly connected in the one side of starting stave, second riser is slided by the positioning table and guide rail to be connected
It connects, the positioning table is threaded with a screw rod, and the axial direction of the screw rod and second riser are perpendicular, solid on the guide rail
Surely a fixed baffle is connected with, the fixed baffle opens up a through-hole, and the screw rod is arranged in the through-hole.
6. the transmission platform of near-infrared spectrometer according to claim 1, it is characterised in that：The optics window
Material is quartz or optical glass.
7. the transmission platform of near-infrared spectrometer according to claim 1, it is characterised in that：The transmissive window is in square
Shape.
8. the transmission platform of near-infrared spectrometer according to claim 1, it is characterised in that：The optics window
Area is more than the area of transmissive window.
9. the transmission platform of near-infrared spectrometer according to claim 1, it is characterised in that：The objective table is parallel
It is set in the substrate.
10. a kind of near infrared spectrometer exists including light source, monochromator, detector and computer treatmenting information system, feature
In：Further include the transmission platform described in any one of claim 1-9.
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| CN201721367787.0U CN207488183U (en) | 2017-10-23 | 2017-10-23 | Near-infrared spectrometer and transmission platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941741A (en) * | 2017-10-23 | 2018-04-20 | 苏州市中心血站 | The method that methylenum careuleum burst size in Plasma Inactivation bag is detected using near infrared spectrum |
| CN109030409A (en) * | 2018-08-30 | 2018-12-18 | 无锡迅杰光远科技有限公司 | A kind of Intellectual feeding bottle and milk power solution detection method |
-
2017
- 2017-10-23 CN CN201721367787.0U patent/CN207488183U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941741A (en) * | 2017-10-23 | 2018-04-20 | 苏州市中心血站 | The method that methylenum careuleum burst size in Plasma Inactivation bag is detected using near infrared spectrum |
| CN109030409A (en) * | 2018-08-30 | 2018-12-18 | 无锡迅杰光远科技有限公司 | A kind of Intellectual feeding bottle and milk power solution detection method |
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