JPS5646450A - Detector for hematic emulsion in blood specimen - Google Patents
Detector for hematic emulsion in blood specimenInfo
- Publication number
- JPS5646450A JPS5646450A JP12184779A JP12184779A JPS5646450A JP S5646450 A JPS5646450 A JP S5646450A JP 12184779 A JP12184779 A JP 12184779A JP 12184779 A JP12184779 A JP 12184779A JP S5646450 A JPS5646450 A JP S5646450A
- Authority
- JP
- Japan
- Prior art keywords
- emulsion
- light
- comparator
- red
- circuits
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
- G01N21/3151—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths using two sources of radiation of different wavelengths
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
PURPOSE:To realize an automatic detection with no individual difference, by performing a decision via a comparator on the basis of the state of transmission and attenuation of the prescribed double-color light. CONSTITUTION:In the state under which both the red and green light emitting diodes 23a and 23b have no light emission through the time-division process given via the CPU25 and the control part 26, the drift component such as the disturbance or the like is held by the holding circuit 29 via the photodetector 24. Then the light reception value due to the element 24 of red and green light which transmits the specimen 20 is held successively by the holding circuits 30 and 31. The value of difference between the circuits 29 and 30 obtained through the differential amplifier 32 is compared via the comparator 34 with the emulsion deciding reference set value. In the same way, the difference of holding value between the circuits 30 and 31 is compared with the weak-degree hematic deciding reference voltage of the comparator 36. The result of comparison is latched at the latch circuit 37. Thus a decision based on the fact that the green light and the red light has a large amount of attenuation during the dissolution of blood and during the emulsion respectively is carried out by the CPU25. Thus an automatic detection is given to both the blood dissolution and the emulsion with no individual difference.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12184779A JPS5646450A (en) | 1979-09-21 | 1979-09-21 | Detector for hematic emulsion in blood specimen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12184779A JPS5646450A (en) | 1979-09-21 | 1979-09-21 | Detector for hematic emulsion in blood specimen |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5646450A true JPS5646450A (en) | 1981-04-27 |
JPS6334977B2 JPS6334977B2 (en) | 1988-07-13 |
Family
ID=14821399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12184779A Granted JPS5646450A (en) | 1979-09-21 | 1979-09-21 | Detector for hematic emulsion in blood specimen |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5646450A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6367865U (en) * | 1986-10-20 | 1988-05-07 | ||
JPS6444464U (en) * | 1987-09-14 | 1989-03-16 | ||
EP1623211A4 (en) * | 2003-04-25 | 2006-10-25 | Prometheus Biosciences Inc | Systems and methods for monitoring chemical and biolgical activities using differential measurements |
US7713477B2 (en) | 2002-04-26 | 2010-05-11 | Hefti John J | Systems and methods for monitoring chemical and biological activities using differential measurements |
CN102519887A (en) * | 2005-03-29 | 2012-06-27 | 希森美康株式会社 | Method of analyte analysis and analyte analyzer |
JP2012159481A (en) * | 2011-02-03 | 2012-08-23 | Hitachi High-Technologies Corp | Analyzer and analyzing method for biological sample |
-
1979
- 1979-09-21 JP JP12184779A patent/JPS5646450A/en active Granted
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6367865U (en) * | 1986-10-20 | 1988-05-07 | ||
JPS6444464U (en) * | 1987-09-14 | 1989-03-16 | ||
JPH0540447Y2 (en) * | 1987-09-14 | 1993-10-14 | ||
US7713477B2 (en) | 2002-04-26 | 2010-05-11 | Hefti John J | Systems and methods for monitoring chemical and biological activities using differential measurements |
EP1623211A4 (en) * | 2003-04-25 | 2006-10-25 | Prometheus Biosciences Inc | Systems and methods for monitoring chemical and biolgical activities using differential measurements |
CN102519887A (en) * | 2005-03-29 | 2012-06-27 | 希森美康株式会社 | Method of analyte analysis and analyte analyzer |
CN102519887B (en) * | 2005-03-29 | 2015-09-09 | 希森美康株式会社 | Sample analyzing method and sample analyzer |
JP2012159481A (en) * | 2011-02-03 | 2012-08-23 | Hitachi High-Technologies Corp | Analyzer and analyzing method for biological sample |
Also Published As
Publication number | Publication date |
---|---|
JPS6334977B2 (en) | 1988-07-13 |
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