CH547493A - METHOD AND DEVICE FOR DETERMINING THE PERCENTAGE OF SELECTED PARTICLES IN A MEDIUM. - Google Patents

METHOD AND DEVICE FOR DETERMINING THE PERCENTAGE OF SELECTED PARTICLES IN A MEDIUM.

Info

Publication number
CH547493A
CH547493A CH1582871A CH547493DA CH547493A CH 547493 A CH547493 A CH 547493A CH 1582871 A CH1582871 A CH 1582871A CH 547493D A CH547493D A CH 547493DA CH 547493 A CH547493 A CH 547493A
Authority
CH
Switzerland
Prior art keywords
percentage
determining
medium
selected particles
particles
Prior art date
Application number
CH1582871A
Other languages
German (de)
Inventor
Warren Groner
Jacob Kusnetz
Alexander M Saunders
Original Assignee
Technicon Instr
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
Application filed by Technicon Instr filed Critical Technicon Instr
Publication of CH547493A publication Critical patent/CH547493A/en

Links

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
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1456—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
    • G01N15/1459—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals the analysis being performed on a sample stream
    • 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
    • G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
    • G01N1/31—Apparatus therefor
    • 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
    • G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
    • G01N1/31—Apparatus therefor
    • G01N1/312—Apparatus therefor for samples mounted on planar substrates
    • 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
    • G01N2015/016—White blood cells

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
CH1582871A 1970-10-30 1971-10-29 METHOD AND DEVICE FOR DETERMINING THE PERCENTAGE OF SELECTED PARTICLES IN A MEDIUM. CH547493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8535370A 1970-10-30 1970-10-30

Publications (1)

Publication Number Publication Date
CH547493A true CH547493A (en) 1974-03-29

Family

ID=22191047

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1582871A CH547493A (en) 1970-10-30 1971-10-29 METHOD AND DEVICE FOR DETERMINING THE PERCENTAGE OF SELECTED PARTICLES IN A MEDIUM.

Country Status (11)

Country Link
US (1) US3740143A (en)
JP (1) JPS5843687B1 (en)
AU (1) AU455680B2 (en)
BE (1) BE773365A (en)
CA (1) CA939927A (en)
CH (1) CH547493A (en)
DE (1) DE2153405A1 (en)
FR (1) FR2111956B1 (en)
GB (1) GB1346836A (en)
NL (1) NL168336C (en)
SE (1) SE388692B (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873204A (en) * 1970-01-14 1975-03-25 Bio Physics Systems Inc Optical extinction photoanalysis apparatus for small particles
US3851156A (en) * 1972-09-05 1974-11-26 Green James E Analysis method and apparatus utilizing color algebra and image processing techniques
US3923397A (en) * 1974-05-29 1975-12-02 Dolive Stephen E Hematocrit measuring method
US3930726A (en) * 1974-05-29 1976-01-06 Reginald C. Shuck System for measuring volumetric ratios of liquid suspended solids
US4028056A (en) * 1976-04-20 1977-06-07 Technicon Instruments Corporation Substance separation technique
US4071891A (en) * 1976-04-30 1978-01-31 Barrows George H Electronic calculator - register for hematology differentials
DE2628790C2 (en) * 1976-06-26 1978-07-06 Draegerwerk Ag, 2400 Luebeck Gas measuring and warning device with a test tube through which the gas to be detected flows
US4072421A (en) * 1976-08-30 1978-02-07 Technicon Instruments Corporation Method and apparatus for optical discrimination of particles
US4284412A (en) * 1979-07-13 1981-08-18 Ortho Diagnostics, Inc. Method and apparatus for automated identification and enumeration of specified blood cell subclasses
US4447883A (en) * 1981-05-26 1984-05-08 Technicon Instruments Corporation Coincidence-error correcting apparatus and method
CA1194315A (en) * 1982-08-16 1985-10-01 Technicon Instruments Corporation Volumetric pumping apparatus and method for supplying fluids to sheath stream flow cells
US4492752A (en) * 1982-09-03 1985-01-08 Ortho Diagnostics Systems Inc. Method for discriminating between unstained and absorbing dye stained cells
US4542518A (en) * 1982-11-03 1985-09-17 Anthony Thomas E Electronic blood cell counter
US4989978A (en) * 1986-04-04 1991-02-05 Technicon Instruments Corporation Method and apparatus for determining the count per unit volume of particles
DE3736027A1 (en) * 1987-10-24 1989-05-03 Gerhard Dipl Phys Artmann Method for determining the shape of cells which prevails at a specific instant and device for carrying out the method
US5011286A (en) * 1989-08-03 1991-04-30 Met One, Inc. Multisensor particle counter utilizing a single energy source
DE69327775T2 (en) * 1992-11-19 2000-06-21 Sysmex Corp Pretreatment procedure for blood analysis
JP2763468B2 (en) * 1992-12-25 1998-06-11 株式会社日立製作所 Classification device for particles in liquids using light scattering
GB9405028D0 (en) * 1994-03-15 1994-04-27 Counting Tech Ltd Fluid diluter
US5599501A (en) * 1994-11-10 1997-02-04 Ciba Corning Diagnostics Corp. Incubation chamber
US7092078B2 (en) * 2003-03-31 2006-08-15 Nihon Kohden Corporation Flow cytometer for classifying leukocytes and method for determining detection angle range of the same
CN103250661A (en) * 2013-04-26 2013-08-21 中国水产科学研究院黄海水产研究所 Aurelia vital staining method
JP2018531395A (en) * 2015-07-21 2018-10-25 フルイドセンス インターナショナル インコーポレイテッド System and method for detecting particles in liquid or air
CN109477837B (en) 2016-09-28 2022-09-16 泰尔茂株式会社 Method, composition and chip for detecting analyte in blood sample
CN115641304A (en) * 2018-02-15 2023-01-24 威里利生命科学有限责任公司 Pathological prediction of unstained tissue
US10632909B1 (en) 2018-10-11 2020-04-28 Ford Global Technlogies, Llc Alert method and assembly using sounds emitted from an electrified vehicle powertrain
US10636411B1 (en) 2018-10-11 2020-04-28 Ford Global Technologies, Llc Electrified vehicle powertrain sound control method and assembly

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2847162A (en) * 1951-11-02 1958-08-12 Meyer Ernest William Counting of particles
US2875666A (en) * 1953-07-13 1959-03-03 Ohio Commw Eng Co Method of simultaneously counting red and white blood cells
US2824488A (en) * 1954-08-25 1958-02-25 Nat Res Corp Apparatus for grading fibers
US3413464A (en) * 1965-04-29 1968-11-26 Ibm Method for measuring the nucleic acid in biological cells after enhancement in an acidic solution
US3512002A (en) * 1965-06-14 1970-05-12 Robert W Decker Radiation sensitive counting method and apparatus
NL137001C (en) * 1965-10-20 1900-01-01
US3523733A (en) * 1966-01-05 1970-08-11 Technicon Corp Method and apparatus for particle counting
US3510632A (en) * 1966-02-14 1970-05-05 Strandberg Eng Lab Inc Digital stretch and speed indicating apparatus
US3503684A (en) * 1966-11-09 1970-03-31 Perkin Elmer Corp Method and apparatus for detecting mitotic blood cells on a blood cell sample slide
US3497690A (en) * 1967-09-21 1970-02-24 Bausch & Lomb Method and apparatus for classifying biological cells by measuring the size and fluorescent response thereof

Also Published As

Publication number Publication date
NL7113140A (en) 1972-05-03
AU3333371A (en) 1973-03-15
BE773365A (en) 1972-03-30
FR2111956A1 (en) 1972-06-09
NL168336B (en) 1981-10-16
CA939927A (en) 1974-01-15
AU455680B2 (en) 1974-11-21
SE388692B (en) 1976-10-11
US3740143A (en) 1973-06-19
FR2111956B1 (en) 1976-03-26
GB1346836A (en) 1974-02-13
DE2153405A1 (en) 1972-05-18
JPS5843687B1 (en) 1983-09-28
NL168336C (en) 1982-03-16

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Legal Events

Date Code Title Description
PL Patent ceased