WO2013185621A1 - 内毒素检测系统及其检测方法 - Google Patents
内毒素检测系统及其检测方法 Download PDFInfo
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- WO2013185621A1 WO2013185621A1 PCT/CN2013/077191 CN2013077191W WO2013185621A1 WO 2013185621 A1 WO2013185621 A1 WO 2013185621A1 CN 2013077191 W CN2013077191 W CN 2013077191W WO 2013185621 A1 WO2013185621 A1 WO 2013185621A1
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- WIPO (PCT)
- Prior art keywords
- endotoxin
- detection
- concentration
- particle size
- quantitative
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 182
- 239000002158 endotoxin Substances 0.000 title claims abstract description 158
- 239000002245 particle Substances 0.000 claims abstract description 57
- 238000009826 distribution Methods 0.000 claims abstract description 47
- 239000012086 standard solution Substances 0.000 claims abstract description 25
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 201000009310 astigmatism Diseases 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 25
- 238000000149 argon plasma sintering Methods 0.000 claims description 7
- 238000012937 correction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000005304 optical glass Substances 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 238000002356 laser light scattering Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 20
- 239000007788 liquid Substances 0.000 description 14
- 239000003153 chemical reaction reagent Substances 0.000 description 13
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- WTPPRJKFRFIQKT-UHFFFAOYSA-N 1,6-dimethyl-8,9-dihydronaphtho[1,2-g][1]benzofuran-10,11-dione;1-methyl-6-methylidene-8,9-dihydro-7h-naphtho[1,2-g][1]benzofuran-10,11-dione Chemical compound O=C1C(=O)C2=C3CCCC(=C)C3=CC=C2C2=C1C(C)=CO2.O=C1C(=O)C2=C3CCC=C(C)C3=CC=C2C2=C1C(C)=CO2 WTPPRJKFRFIQKT-UHFFFAOYSA-N 0.000 description 9
- 244000132619 red sage Species 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 206010036790 Productive cough Diseases 0.000 description 3
- 210000003802 sputum Anatomy 0.000 description 3
- 208000024794 sputum Diseases 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000283973 Oryctolagus cuniculus Species 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000002221 antipyretic Substances 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229920006008 lipopolysaccharide Polymers 0.000 description 1
- 239000002502 liposome Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000003921 particle size analysis Methods 0.000 description 1
- 239000002510 pyrogen Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008215 water for injection Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/51—Scattering, i.e. diffuse reflection within a body or fluid inside a container, e.g. in an ampoule
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
- G01N15/0211—Investigating a scatter or diffraction pattern
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/01—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials specially adapted for biological cells, e.g. blood cells
- G01N2015/019—Biological contaminants; Fouling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N2021/4704—Angular selective
- G01N2021/4711—Multiangle measurement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/061—Sources
- G01N2201/06113—Coherent sources; lasers
Definitions
- the invention relates to an endotoxin detection system based on laser particle size detection and a corresponding detection method thereof, and belongs to the field of bacterial endotoxin detection. Background technique
- Bacterial endotoxin is a lipopolysaccharide, also known as liposome, which is a component of the outer wall of Gram-negative bacteria. It is widely found in nature. It enters human blood and causes fever, commonly known as pyrogen reaction. Since such substances may cause serious adverse reactions, strict control is required in pharmaceutical injections.
- the laser particle size detector has not been applied to the detection of endotoxin.
- the laser particle size detector performs particle size analysis on multi-point astigmatism signals of two or more points depending on the astigmatism signal of the particles at different angles, but the particle concentration cannot be detected.
- Bacterial endotoxin testing can be divided into qualitative and quantitative testing.
- the conventional detection method is the rabbit method, and the test article is intravenously injected into the rabbit body, and the change in body temperature is observed within a prescribed time.
- This method is subject to many interference factors and poor sensitivity. In particular, there may be false negatives for antipyretic drugs or heat-clearing and detoxifying injections.
- the endotoxin test in the Pharmacopoeia uses the sputum reagent method, which takes a long time to prepare, is time consuming to detect, is costly, and does not allow rapid, continuous, and on-line detection. Summary of the invention
- the present invention addresses the deficiencies of the prior art, and proposes two endotoxin detection systems and corresponding detection methods thereof to reduce the detection cost and improve the detection speed.
- the first endotoxin detection system includes a laser source, a short-focus lens, a grating, a telephoto lens, a detection cell, a scattered light receiver, a photoelectric converter, a signal amplifier, a signal processor, a data collector, a quantitative operator, and a data display.
- the output light of the laser source passes through the short-focus lens, the grating and the telephoto lens, and then enters the detection pool, and the light emitted by the detection pool is received by the scattered light receiver and then enters the photoelectric converter, and the output signal of the photoelectric converter passes through
- the signal amplifier, signal processor and data collector enter the quantitative operator for endotoxin concentration calculation, and the output of the quantitative operator is connected to the data display.
- the detection method based on the first endotoxin detection system is as follows:
- I is the intensity of the scattered light signal
- K is the proportional constant
- C is the endotoxin concentration
- /(D) is the particle size parameter function
- /(E) is the scattering spectrum function
- S is the astigmatism
- S is obtained by the I linearization data of I
- the second endotoxin detection system includes a laser source, a light source intensity adjuster, a scan mode adjuster, a short focus lens, a grating, a telephoto lens, a detection cell, a scattered light receiver, a photoelectric converter, a signal amplifier, a signal processor, The data collector, the semi-quantitative operator and the data display, wherein: the output light of the laser source sequentially passes through the short-focus lens, the grating and the telephoto lens, and then enters the detection pool, and the light emitted by the detection pool is received by the scattered light receiver and enters the photoelectric
- the output signal of the converter, the photoelectric converter sequentially passes through the signal amplifier, the signal processor and the data collector, and then enters the semi-quantitative operator for endotoxin limit detection, the output of the signal amplifier, the signal processor, the data collector and the semi-quantitative operator
- the end is connected to the laser source through a light source intensity adjuster, and the output of the semi-quantitative
- the detection method based on the second endotoxin detection system is divided into a particle size multi-distribution detection and a particle size single distribution detection, wherein:
- the particle size multi-distribution detection includes the following steps:
- Step 1-1 Adjust the intensity of the laser source
- Step 1-2 Adjust the scan mode adjuster to set the laser source to the segment scan mode
- Step 1-3 Prepare a series of concentrations of endotoxin standard solution, and perform multi-distribution detection on the concentration of the endotoxin standard solution;
- Step 1-4 The concentration limit of the endotoxin standard solution of each concentration is detected by setting the detection parameter in the semi-quantitative operator;
- Step 1-5 According to the sample, the detection parameter in the semi-quantitative operator is set accordingly, and the sample is subjected to particle size multi-distribution detection. When there is no endotoxin particle size distribution peak in the range of 20 ⁇ 300 nm in the detection result, The endotoxin concentration of the sample is lower than the corresponding concentration limit, and conversely, the endotoxin concentration of the sample is higher than the corresponding concentration limit;
- the particle size single distribution detection includes the following steps:
- Step 2-1 Adjust the intensity of the laser source
- Step 2-2 Adjust the scan mode adjuster to set the laser source to the full-distribution scan mode
- Step 2-3 Prepare a series of endotoxin standard solutions, and perform a single particle size distribution test on each concentration of the endotoxin standard solution;
- Step 2-4 The concentration limit of the endotoxin standard solution of each concentration is detected by setting the detection parameter in the semi-quantitative operator;
- Step 2-5 According to the sample, the detection parameters in the semi-quantitative operator are set accordingly, and the sample is subjected to particle size single distribution detection.
- the sample endotoxin concentration is lower than The corresponding concentration limit, otherwise the sample endotoxin concentration is higher than the corresponding concentration limit.
- the optical path system is integrated to improve the detection sensitivity and detect endotoxin solution above 0.5 EU/ml.
- the detection mode is divided into online detection and offline detection.
- the application is flexible and practical.
- the time for endotoxin detection is greatly shortened, and the purpose of rapid detection is achieved. It can be used for rapid detection and determination of endotoxin limits in water for injection, semi-finished injections and finished products.
- Figure 1 is a block diagram showing the structure of a first endotoxin detecting system of the present invention.
- Figure 2 is a schematic diagram of the principle of quantitative calculation of endotoxin.
- 3 is a flow chart of detection and early warning of the first endotoxin detection system of the present invention.
- FIG. 4 is a structural block diagram of a second endotoxin detecting system of the present invention.
- Fig. 5 is a graph showing the results of endotoxin detection using a concentration of 5.0 EU/ml detection parameter in the particle size multi-distribution detection example.
- Fig. 6 is a diagram showing the results of endotoxin detection using a concentration of 2.0 EU/ml detection parameter in the particle size multi-distribution detection example.
- Fig. 7 is a diagram showing the results of endotoxin detection using a concentration of 10.0 EU/ml detection parameter in the particle size single distribution detection example.
- Fig. 8 is a graph showing the results of endotoxin detection using a concentration of 7.0 EU/ml detection parameter in the particle size single distribution detection example.
- the structure of the first endotoxin detecting system of the present invention is as shown in FIG. 1, and includes a laser source 1, a short focal lens 2, a grating 3, a telephoto lens 4, a detecting cell 5, a scattered light receiver 6, a photoelectric converter 7, a signal amplifier 8, a signal processor 9, a data collector 10, a quantitative operator 11 and a data display 13, wherein: the output light of the laser source 1 sequentially passes through the short focal lens 2, the grating 3 and the telephoto lens 4, and then enters the detection cell 5 The light emitted from the detecting cell 5 is received by the scattered light receiver 6 and then enters the photoelectric converter 7. The output signal of the photoelectric converter 7 sequentially passes through the signal amplifier 8, the signal processor 9, and the data collector 10, and then enters the quantitative computing device 11 The endotoxin concentration calculation is performed, and the output of the quantitative computing unit 11 is connected to the data display 13.
- the above endotoxin detection system integrates the optical path system based on a conventional laser particle size detector, preferably about 90 degrees of scattered light path detection.
- the laser source 1 uses the FLS-2600B dual-beam laser source from Canada's EXFO Corporation; the short-focus lens 2 uses an ultra-low dispersion lens; the grating 3 uses a fiber-coupler type fiber grating; and the telephoto lens 4 uses a low-power NV-202m lens.
- the detection pool 5 is made of optical glass, including an online detection pool and an offline detection pool. The upper and lower ends of the online detection pool are provided with a liquid outlet and a liquid inlet, and the online detection pool is connected through the liquid outlet and the liquid inlet.
- Electromagnetic valves are arranged on the liquid outlet and the liquid inlet, and an ultrasonic probe is also arranged at the liquid inlet to eliminate air bubble interference;
- the pool is a semi-sealed detachable detection tank, and a liquid inlet is provided at the top of the detection tank for manual replacement of the solution.
- the scattered light receiver 6 adopts API's Picometrix LLC high-speed multi-point wide-angle scattered light receiver module, which is arranged in a multi-point interval logarithm;
- the photoelectric converter 7 adopts HESMC photoelectric converter of American Hengqi Electronics Co., Ltd.;
- signal amplifier 8 It consists of an amplifying circuit and a filter circuit.
- the amplifying circuit is connected to a differential amplifying circuit by three ICL7650 amplifiers.
- the filter is a commonly used RC network.
- the signal processor 9 uses the CONVERTER-VLC.602 programmable signal of Italy VAL.CO. Processor; data collector 10 uses Maxim's A/D converter Maxl32.
- the calculation principle of the quantitative operator 11 is as shown in Fig.
- the concentration of the endotoxin standard solution can be used to obtain a constant K value.
- the data display 13 uses a Gold Xingdao 128 X 64 dot matrix display terminal for displaying the detected endotoxin concentration value.
- the system also has an early warning device 14 connected to the quantitative computing device 11.
- the early warning device 14 adopts an integrated achievement electronic CMS7000-500 alarm monitoring software and a piezoelectric early warning system, and the detection and early warning process of the system is as follows. As shown in Fig. 3, the endotoxin concentration limit can be preset in the warning software, and the alarm is alarmed when the endotoxin concentration in the detected solution exceeds the limit.
- the use procedure of the first endotoxin detection system of the present invention for online detection is as follows: According to the production requirement, the endotoxin concentration limit value and the coefficient/and parameter g are preset in the quantitative computing device, and the production line is opened to make the solution enter the online detection pool.
- Endotoxin concentration (EU/ml) astigmatism
- Detection method a in the detection time The system of the invention 23.3 EU/ml 3min
- the structure of the second endotoxin detecting system of the present invention is as shown in FIG. 4, and includes a laser source 1, a short focal lens 2, a grating 3, a telephoto lens 4, a detecting cell 5, a scattered light receiver 6, a photoelectric converter 7, a signal amplifier 8, a signal processor 9, a data collector 10, a semi-quantitative operator 12, a data display 13, a light source intensity adjuster 15, and a scan mode adjuster 16, wherein: the output light of the laser source 1 passes through the short focal lens 2 in sequence After the grating 3 and the telephoto lens 4 enter the detection cell 5, the light emitted by the detection cell 5 is received by the scattered light receiver 6 and then enters the photoelectric converter 7, and the output signal of the photoelectric converter 7 is sequentially passed through the signal amplifier 8, and signal processing.
- the device 9 and the data collector 10 then enter the semi-quantitative operator 12 for endotoxin limit detection, and the outputs of the signal amplifier 8, the signal processor 9, the data collector 10 and the semi-quantitative operator 12 are connected by the light source intensity adjuster 15.
- the output of the laser source 1, semi-quantitative operator 12 is also scanned
- the mode adjuster 16 is connected to the laser source 1, and the data display 13 is connected to the output of the semi-quantitative operator 12.
- the endotoxin detection system described above is also preferably about 90 degrees of scattered light path detection.
- the laser source 1 can be a single-beam or dual-beam laser source.
- the FLS-2600B dual-beam laser source from Canada's EXFO is also used here.
- the light source intensity adjuster 15 uses the AVR-8A energy conditioner from Bocom, which is used to adjust the laser.
- the intensity of the source 1; the scan mode adjuster 16 is used to control the scanning range of the particle size, and the mode includes a segmented scan mode and a full-distribution scan mode, and the scan range of the segment scan mode is 1 to 10 nm (preferably 1 to 5 nm), 5 to 500 nm (preferably 5 to 200 nm), 100 to 1000 nm (preferably 200 to 1000 nm), the scanning range of the full-distribution scanning mode is 1 to 1000 nm; the semi-quantitative arithmetic unit 13 stores the detection sensitivity of different endotoxin concentrations (concentration limit)
- the detection parameters of the value including the detection parameters of the natural number (EU/ml) concentration limit between 0.5 EU/ml and 1 to 10, can be selected according to the limits of endotoxin content in different samples.
- the detection parameters include amplification factor, channel number, delay coefficient, and speed coefficient.
- the second endotoxin detection system is also provided with an early warning device 14, which is connected to the output of the semi-quantitative operator 13, and the early warning device 14 is also in the form of the first endotoxin. The same in the detection system.
- the detection method of the second endotoxin detection system of the invention is divided into particle size multi-distribution detection and particle size single distribution detection, and the towel thereof:
- the particle size multi-distribution detection includes the following steps:
- Step 1-1 Adjust the intensity of the laser source
- Step 1-2 Adjust the scan mode adjuster to set the laser source to the segment scan mode
- Step 1-3 Prepare a series of concentrations of endotoxin standard solution, and perform multi-distribution detection on the concentration of the endotoxin standard solution;
- Step 1-4 The concentration limit of the endotoxin standard solution of each concentration is detected by setting the detection parameter in the semi-quantitative operator;
- Step 1-5 According to the limits of the endotoxin content of the sample, the detection parameters in the semi-quantitative operator are set accordingly (ie, the detection sensitivity is selected), and the sample is subjected to particle size multi-distribution detection, and the detection result is in the range of 20 to 300 nm.
- the detection parameters in the semi-quantitative operator are set accordingly (ie, the detection sensitivity is selected), and the sample is subjected to particle size multi-distribution detection, and the detection result is in the range of 20 to 300 nm.
- the sample endotoxin concentration is lower than the corresponding concentration limit, that is, qualified, otherwise the sample endotoxin concentration is higher than the corresponding concentration limit, that is, unqualified.
- Step 2-1 Adjust the intensity of the laser source;
- Step 2-2 Adjust the scan mode adjuster to set the laser source to the full-distribution scan mode
- Step 2-3 Prepare a series of endotoxin standard solutions, and perform a single particle size distribution test on each concentration of the endotoxin standard solution;
- Step 2-4 The concentration limit of the endotoxin standard solution of each concentration is detected by setting the detection parameter in the semi-quantitative operator;
- Step 2-5 According to the limits of the endotoxin content of the sample, the detection parameters in the semi-quantitative operator are set accordingly (ie, the detection sensitivity is selected), and the sample is subjected to particle size distribution detection, and the endotoxin particle size distribution is detected in the detection result.
- the peak is less than 20 nm
- the endotoxin concentration of the sample is lower than the corresponding concentration limit, that is, qualified
- the endotoxin concentration of the sample is higher than the corresponding concentration limit, that is, it is unqualified.
- the detection embodiment of the second endotoxin detection system is described below.
- Equipment materials a, CN-11 endotoxin solution nanometer particle size analyzer; b, bacterial endotoxin working standard (batch number: 150601-201176, specifications: 100 EUAmp- China National Institute for the Control of Pharmaceutical and Biological Products); c, bacteria Toxin inspection water (batch number: 100130, Zhanjiang Bokang Marine Biological Co., Ltd.).
- the results show that the method uses the 2.0 EU/ml limit detection parameter to detect the failure, but the 5.0 EU/ml limit detection parameter is qualified, indicating that the sample endotoxin concentration is less than 5.0 EU/ml and greater than 2.0 EU/ Ml, consistent with the results measured by the turbidity reagent turbidity method, verified the reliability of the method.
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/408,016 US9958431B2 (en) | 2012-05-14 | 2013-06-13 | Endotoxin detection systems and detection methods thereof |
EP13803561.3A EP2863206A4 (en) | 2012-06-14 | 2013-06-13 | SYSTEMS FOR ENDOTOXIN DETECTION AND DETECTION METHOD THEREFOR |
JP2015516431A JP6093854B2 (ja) | 2012-06-14 | 2013-06-13 | エンドトキシン検出システムに基づく検出方法 |
US15/877,627 US20180224426A1 (en) | 2012-06-14 | 2018-01-23 | Endotoxin detection systems and detection methods thereof |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210196596.8A CN102692396B (zh) | 2012-06-14 | 2012-06-14 | 一种内毒素检测系统及其定量检测方法 |
CN201210196596.8 | 2012-06-14 | ||
CN201310228888.XA CN103278476B (zh) | 2013-06-08 | 2013-06-08 | 一种内毒素检测系统及其限度检测方法 |
CN201310228888.X | 2013-06-08 |
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US14/408,016 A-371-Of-International US9958431B2 (en) | 2012-05-14 | 2013-06-13 | Endotoxin detection systems and detection methods thereof |
US15/877,627 Division US20180224426A1 (en) | 2012-06-14 | 2018-01-23 | Endotoxin detection systems and detection methods thereof |
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WO2013185621A1 true WO2013185621A1 (zh) | 2013-12-19 |
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US (2) | US9958431B2 (zh) |
EP (1) | EP2863206A4 (zh) |
JP (1) | JP6093854B2 (zh) |
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Cited By (1)
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CN112504922A (zh) * | 2020-10-20 | 2021-03-16 | 华南师范大学 | 一种大气颗粒物粒径分布的在线测量系统及方法 |
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JP6896459B2 (ja) * | 2017-03-07 | 2021-06-30 | 株式会社日立ハイテク | 自動分析装置及び自動分析方法 |
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EP2863206A1 (en) | 2015-04-22 |
JP6093854B2 (ja) | 2017-03-08 |
US20180224426A1 (en) | 2018-08-09 |
US9958431B2 (en) | 2018-05-01 |
US20150106030A1 (en) | 2015-04-16 |
EP2863206A4 (en) | 2016-05-11 |
JP2015519576A (ja) | 2015-07-09 |
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