JPH0146818B2 - - Google Patents
Info
- Publication number
- JPH0146818B2 JPH0146818B2 JP55055993A JP5599380A JPH0146818B2 JP H0146818 B2 JPH0146818 B2 JP H0146818B2 JP 55055993 A JP55055993 A JP 55055993A JP 5599380 A JP5599380 A JP 5599380A JP H0146818 B2 JPH0146818 B2 JP H0146818B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- frequency
- voltage converter
- level threshold
- particles
- 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 78
- 239000007788 liquid Substances 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 16
- 238000004458 analytical method Methods 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 description 26
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000001186 cumulative effect Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 210000000601 blood cell Anatomy 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 210000003743 erythrocyte Anatomy 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000009897 systematic effect Effects 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)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5599380A JPS56151341A (en) | 1980-04-25 | 1980-04-25 | Particle analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5599380A JPS56151341A (en) | 1980-04-25 | 1980-04-25 | Particle analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56151341A JPS56151341A (en) | 1981-11-24 |
| JPH0146818B2 true JPH0146818B2 (en]) | 1989-10-11 |
Family
ID=13014599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5599380A Granted JPS56151341A (en) | 1980-04-25 | 1980-04-25 | Particle analyzer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56151341A (en]) |
-
1980
- 1980-04-25 JP JP5599380A patent/JPS56151341A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56151341A (en) | 1981-11-24 |
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