ES260469A1 - Mejoras en los aparatos para estudiar particulas en fluido de suspensiën - Google Patents

Mejoras en los aparatos para estudiar particulas en fluido de suspensiën

Info

Publication number
ES260469A1
ES260469A1 ES0260469A ES260469A ES260469A1 ES 260469 A1 ES260469 A1 ES 260469A1 ES 0260469 A ES0260469 A ES 0260469A ES 260469 A ES260469 A ES 260469A ES 260469 A1 ES260469 A1 ES 260469A1
Authority
ES
Spain
Prior art keywords
particles
analyzing device
particle analyzing
channel
suspension
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
Application number
ES0260469A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of ES260469A1 publication Critical patent/ES260469A1/es
Expired legal-status Critical Current

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
    • G01N15/1031—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
    • 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
    • G01N2015/135—Electrodes
    • G01N2015/136—Scanning electrodes

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)
  • Measurement Of Radiation (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

Mejoras en aparatos para estudiar partículas en un fluido de suspensión, caracterizadas porque en el cual la impedancia total de un canal de pequeñas dimensiones en dicha suspensión es variada por un movimiento relativo entre dichas partículas y dicho canal como un resultado de propiedades eléctricas contrastantes de dichas partículas.
ES0260469A 1959-08-19 1960-08-18 Mejoras en los aparatos para estudiar particulas en fluido de suspensiën Expired ES260469A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US834860A US3259842A (en) 1959-08-19 1959-08-19 Particle analyzing device

Publications (1)

Publication Number Publication Date
ES260469A1 true ES260469A1 (es) 1961-02-01

Family

ID=25267997

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0260469A Expired ES260469A1 (es) 1959-08-19 1960-08-18 Mejoras en los aparatos para estudiar particulas en fluido de suspensiën

Country Status (3)

Country Link
US (1) US3259842A (es)
BE (1) BE594258A (es)
ES (1) ES260469A1 (es)

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US4600880A (en) * 1983-03-03 1986-07-15 Limca Research Inc. Apparatus for the detection and measurement of particulates in molten metal
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US6175227B1 (en) 1997-07-03 2001-01-16 Coulter International Corp. Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principle
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US7732127B2 (en) * 2002-12-20 2010-06-08 Acea Biosciences, Inc. Dynamic monitoring of cell adhesion and spreading using the RT-CES system
US7560269B2 (en) * 2002-12-20 2009-07-14 Acea Biosciences, Inc. Real time electronic cell sensing system and applications for cytotoxicity profiling and compound assays
US7468255B2 (en) * 2002-12-20 2008-12-23 Acea Biosciences Method for assaying for natural killer, cytotoxic T-lymphocyte and neutrophil-mediated killing of target cells using real-time microelectronic cell sensing technology
WO2004010102A2 (en) * 2002-07-20 2004-01-29 Acea Biosciences, Inc. Impedance based apparatuses and methods for analyzing cells and particles
US7470533B2 (en) * 2002-12-20 2008-12-30 Acea Biosciences Impedance based devices and methods for use in assays
US8263375B2 (en) 2002-12-20 2012-09-11 Acea Biosciences Dynamic monitoring of activation of G-protein coupled receptor (GPCR) and receptor tyrosine kinase (RTK) in living cells using real-time microelectronic cell sensing technology
US8206903B2 (en) 2002-12-20 2012-06-26 Acea Biosciences Device and method for electroporation-based delivery of molecules into cells and dynamic monitoring of cell responses
US7192752B2 (en) 2002-12-20 2007-03-20 Acea Biosciences Real time electronic cell sensing systems and applications for cell-based assays
US10215748B2 (en) 2002-12-20 2019-02-26 Acea Biosciences, Inc. Using impedance-based cell response profiling to identify putative inhibitors for oncogene addicted targets or pathways
US9612234B2 (en) 2008-05-05 2017-04-04 Acea Biosciences, Inc. Data analysis of impedance-based cardiomyocyte-beating signals as detected on real-time cell analysis (RTCA) cardio instruments
US10539523B2 (en) 2002-12-20 2020-01-21 Acea Biosciences, Inc. System and method for monitoring cardiomyocyte beating, viability, morphology, and electrophysiological properties
US11346797B2 (en) 2002-12-20 2022-05-31 Agilent Technologies, Inc. System and method for monitoring cardiomyocyte beating, viability, morphology and electrophysiological properties
US10551371B2 (en) 2003-11-10 2020-02-04 Acea Biosciences, Inc. System and method for monitoring cardiomyocyte beating, viability and morphology and for screening for pharmacological agents which may induce cardiotoxicity or modulate cardiomyocyte function
WO2006037325A1 (en) * 2004-10-01 2006-04-13 Chempaq A/S A method for calibrating a particle counting apparatus
US8041515B2 (en) * 2006-09-20 2011-10-18 Acea Biosciences, Inc. Use of impedance-based cytological profiling to classify cellular response profiles upon exposure to biologically active agents
CA2723223C (en) 2008-05-05 2017-06-06 Acea Biosciences, Inc. Label-free monitoring of excitation-contraction coupling and excitable cells using impedance based systems with millisecond time resolution
EP2422181A1 (en) * 2009-04-24 2012-02-29 Beckman Coulter, Inc. Method of characterizing particles
US12066428B2 (en) 2015-11-20 2024-08-20 Agilent Technologies, Inc. Cell-substrate impedance monitoring of cancer cells
CN110582569B (zh) 2017-03-03 2024-04-02 安捷伦科技有限公司 用于iPSC和ESC衍生的心肌细胞的功能成熟的方法和系统
US20220195487A1 (en) * 2019-04-18 2022-06-23 BEIJING XINJI JINNUO MEDICAL EQUIPMENT Co.,Ltd. Method for Measuring Inhibition of Bacteria by Antibacterial Drug, and Bacterial Counting Device and Method Thereof
USD941488S1 (en) 2020-02-07 2022-01-18 Agilent Technologies, Inc. Instrument for analyzing biological cells
US20210301245A1 (en) 2020-03-29 2021-09-30 Agilent Technologies, Inc. Systems and methods for electronically and optically monitoring biological samples

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Also Published As

Publication number Publication date
US3259842A (en) 1966-07-05
BE594258A (fr) 1961-02-20

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