CH509588A - Device for performing almost simultaneously a colorimetric measurement and a study of particles in the same suspension of particles in a liquid - Google Patents

Device for performing almost simultaneously a colorimetric measurement and a study of particles in the same suspension of particles in a liquid

Info

Publication number
CH509588A
CH509588A CH1828669A CH1828669A CH509588A CH 509588 A CH509588 A CH 509588A CH 1828669 A CH1828669 A CH 1828669A CH 1828669 A CH1828669 A CH 1828669A CH 509588 A CH509588 A CH 509588A
Authority
CH
Switzerland
Prior art keywords
particles
study
liquid
colorimetric measurement
same suspension
Prior art date
Application number
CH1828669A
Other languages
French (fr)
Inventor
Fletcher Rothermel William
Ivan Klein Robert
Original Assignee
Coulter Electronics
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from FR70807A external-priority patent/FR1496169A/en
Application filed by Coulter Electronics filed Critical Coulter Electronics
Publication of CH509588A publication Critical patent/CH509588A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1095—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices for supplying the samples to flow-through analysers
    • G01N35/1097—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices for supplying the samples to flow-through analysers characterised by the valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/10—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/38—Diluting, dispersing or mixing samples
    • 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
    • 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
    • G01N15/134—Devices using two or more apertures
    • 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
    • G01N2015/1019—Associating Coulter-counter and optical flow cytometer [OFC]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
CH1828669A 1963-12-12 1968-04-17 Device for performing almost simultaneously a colorimetric measurement and a study of particles in the same suspension of particles in a liquid CH509588A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US33003063A 1963-12-12 1963-12-12
FR70807A FR1496169A (en) 1963-12-12 1966-07-26 Electromagnetic nozzle
US63128467A 1967-04-17 1967-04-17
CH566968A CH494963A (en) 1963-12-12 1968-04-17 Method for automatically determining various parameters of a sample and apparatus for carrying out this method
US80358869A 1969-03-03 1969-03-03
US19121571A 1971-10-21 1971-10-21

Publications (1)

Publication Number Publication Date
CH509588A true CH509588A (en) 1971-06-30

Family

ID=27543767

Family Applications (4)

Application Number Title Priority Date Filing Date
CH1828769A CH517295A (en) 1963-12-12 1968-04-17 Device for transferring metered quantities of fluid
CH1828669A CH509588A (en) 1963-12-12 1968-04-17 Device for performing almost simultaneously a colorimetric measurement and a study of particles in the same suspension of particles in a liquid
CH1828969A CH501924A (en) 1963-12-12 1968-04-17 Electrical apparatus for the automatic determination of various parameters of blood samples
CH1828869A CH518730A (en) 1963-12-12 1968-04-17 Process for mixing a liquid and apparatus for carrying out this process

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1828769A CH517295A (en) 1963-12-12 1968-04-17 Device for transferring metered quantities of fluid

Family Applications After (2)

Application Number Title Priority Date Filing Date
CH1828969A CH501924A (en) 1963-12-12 1968-04-17 Electrical apparatus for the automatic determination of various parameters of blood samples
CH1828869A CH518730A (en) 1963-12-12 1968-04-17 Process for mixing a liquid and apparatus for carrying out this process

Country Status (1)

Country Link
CH (4) CH517295A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3303778C2 (en) * 1983-02-04 1986-03-13 Ideal-Standard Gmbh, 5300 Bonn Method for dosing fluids
US4614722A (en) * 1983-11-01 1986-09-30 Pasula Mark J Method and apparatus for measuring the degree of reaction between antigens and leukocyte cellular antibodies
JP3077772B2 (en) * 1991-06-05 2000-08-14 シスメックス株式会社 Automatic particle analysis method and apparatus using a plurality of analysis modules

Also Published As

Publication number Publication date
CH517295A (en) 1971-12-31
CH501924A (en) 1971-01-15
CH518730A (en) 1972-02-15

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Legal Events

Date Code Title Description
PL Patent ceased