JPH0146816B2 - - Google Patents
Info
- Publication number
- JPH0146816B2 JPH0146816B2 JP55055991A JP5599180A JPH0146816B2 JP H0146816 B2 JPH0146816 B2 JP H0146816B2 JP 55055991 A JP55055991 A JP 55055991A JP 5599180 A JP5599180 A JP 5599180A JP H0146816 B2 JPH0146816 B2 JP H0146816B2
- Authority
- JP
- Japan
- Prior art keywords
- particles
- circuit
- particle
- signal
- variable amplifier
- 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.)
- Expired
Links
- 239000002245 particle Substances 0.000 claims description 98
- 230000035945 sensitivity Effects 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 29
- 238000012544 monitoring process Methods 0.000 claims description 29
- 238000001514 detection method Methods 0.000 claims description 20
- 238000004458 analytical method Methods 0.000 claims description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 17
- 235000002639 sodium chloride Nutrition 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 239000011780 sodium chloride Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000000725 suspension Substances 0.000 description 8
- 238000005259 measurement Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000000601 blood cell Anatomy 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 210000003743 erythrocyte Anatomy 0.000 description 2
- 239000002504 physiological saline solution Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002847 impedance measurement Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
- G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
- G01N15/131—Details
- G01N15/132—Circuits
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5599180A JPS56151339A (en) | 1980-04-25 | 1980-04-25 | Particle analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5599180A JPS56151339A (en) | 1980-04-25 | 1980-04-25 | Particle analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56151339A JPS56151339A (en) | 1981-11-24 |
| JPH0146816B2 true JPH0146816B2 (en]) | 1989-10-11 |
Family
ID=13014546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5599180A Granted JPS56151339A (en) | 1980-04-25 | 1980-04-25 | Particle analyzer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56151339A (en]) |
-
1980
- 1980-04-25 JP JP5599180A patent/JPS56151339A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56151339A (en) | 1981-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4063447A (en) | Bridge circuit with drift compensation | |
| JP4415215B2 (ja) | 干渉の存在下での生体電気インピーダンス測定システムおよび方法 | |
| US4086631A (en) | Hematocrit measurement in an automatic hematology analyzer | |
| US3678296A (en) | Electrical signal slope polarity change detector | |
| JPS6244265A (ja) | 患者の呼吸監視装置 | |
| US5869971A (en) | Method and apparatus for ratiometric measurement of hematocrit | |
| CA2119435C (en) | Self diagnostic ph sensor | |
| JP7082013B2 (ja) | 微粒子測定システム、計測装置 | |
| US3875516A (en) | Discriminator circuits | |
| US3757213A (en) | Ntrol particle size analyzing apparatus and method using threshold level co | |
| US5352975A (en) | Corpuscle-detecting apparatus having sensitivity adjustment | |
| US3973194A (en) | Particle counter | |
| US3863056A (en) | Method and apparatus for multichannel voting | |
| JPS5924389B2 (ja) | 流体成分定量分析方法 | |
| JPH0418264B2 (en]) | ||
| CA1091350A (en) | Particle-density measuring system | |
| JPH0146816B2 (en]) | ||
| US7701193B2 (en) | Pulse height analyser | |
| JPH0146817B2 (en]) | ||
| JPH0146818B2 (en]) | ||
| GB2117120A (en) | Anodic stripping voltameter | |
| JP2597861Y2 (ja) | イオン濃度測定装置 | |
| JPH0210438Y2 (en]) | ||
| JPH0287042A (ja) | 赤血球変形能測定装置 | |
| JPH0311724Y2 (en]) |