AU2001223840A1 - Method and apparatus for measuring surface configuration - Google Patents

Method and apparatus for measuring surface configuration

Info

Publication number
AU2001223840A1
AU2001223840A1 AU2001223840A AU2384001A AU2001223840A1 AU 2001223840 A1 AU2001223840 A1 AU 2001223840A1 AU 2001223840 A AU2001223840 A AU 2001223840A AU 2384001 A AU2384001 A AU 2384001A AU 2001223840 A1 AU2001223840 A1 AU 2001223840A1
Authority
AU
Australia
Prior art keywords
liquid
light beam
membrane
measuring
sample
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.)
Abandoned
Application number
AU2001223840A
Inventor
Matthew Cottingham
David John Vaux
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.)
Oxford University Innovation Ltd
Original Assignee
Oxford University Innovation Ltd
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 Oxford University Innovation Ltd filed Critical Oxford University Innovation Ltd
Publication of AU2001223840A1 publication Critical patent/AU2001223840A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
    • G01N13/02—Investigating surface tension of liquids

Landscapes

  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Measuring Cells (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

A method of measuring the surface configuration of a liquid surface, e.g. to measure surface tension. Liquid samples are confined in wells, e.g. of a multi-well microtitle plate, and a light beam is passed through the sample offset from the centre of the well. The intensity of the reflected or transmitted light beam is dependent upon the angle of incidence with the liquid surface, which varies with changes in surface tension of the liquid. Thus measurement of the reflected or transmitted intensity can be used as a measurement of the surface tension The method can also be used to measure viscosity by agitating the sample and measuring the rate of change of curvature of the sample surface during or after agitation. The method is also applicable to measuring surfaces other than liquids, e.g. of a membrane being deformed under pressure where, again the angle of incidence of a light beam on the membrane varies with deformation of the membrane.
AU2001223840A 2000-01-24 2001-01-02 Method and apparatus for measuring surface configuration Abandoned AU2001223840A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0001568.5A GB0001568D0 (en) 2000-01-24 2000-01-24 Method and apparatus for measuring surface configuration
GB0001568 2000-01-24
PCT/GB2001/000012 WO2001053798A1 (en) 2000-01-24 2001-01-02 Method and apparatus for measuring surface configuration

Publications (1)

Publication Number Publication Date
AU2001223840A1 true AU2001223840A1 (en) 2001-07-31

Family

ID=9884218

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001223840A Abandoned AU2001223840A1 (en) 2000-01-24 2001-01-02 Method and apparatus for measuring surface configuration

Country Status (8)

Country Link
US (1) US7224470B2 (en)
EP (1) EP1252498B1 (en)
JP (1) JP4718087B2 (en)
AT (1) ATE445149T1 (en)
AU (1) AU2001223840A1 (en)
DE (1) DE60140110D1 (en)
GB (1) GB0001568D0 (en)
WO (1) WO2001053798A1 (en)

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CN102654442B (en) * 2011-03-04 2014-11-26 中国人民解放军军事医学科学院毒物药物研究所 Surface tension detection device and method
US9360414B2 (en) * 2011-10-14 2016-06-07 University of Pittsburgh—of the Commonwealth System of Higher Education Light refraction imaging to measure liquid volume
EP3792615A1 (en) 2014-09-23 2021-03-17 Tearlab Research, Inc. System for integration of microfluidic tear collection and lateral flow analysis of analytes of interest
CN104677786B (en) * 2015-03-09 2017-07-18 上海理工大学 A kind of angle measuring method that stops based on binocular 3D visions
KR101870679B1 (en) * 2016-06-14 2018-06-25 한국과학기술연구원 Membrane distillation system which is capable of real-time monitoring on membrane scaling
CN107036969B (en) * 2017-03-30 2019-06-18 清华大学 A kind of measuring system and method for liquid metal surface double layer characteristic
CN110411401B (en) * 2018-04-28 2022-07-12 中国电力科学研究院有限公司 Device, method and system for measuring liquid fixed contact angle
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US11709133B2 (en) * 2018-09-28 2023-07-25 Industrial Technology Research Institute Solid surface wettability determination method
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Also Published As

Publication number Publication date
ATE445149T1 (en) 2009-10-15
US7224470B2 (en) 2007-05-29
GB0001568D0 (en) 2000-03-15
EP1252498A1 (en) 2002-10-30
JP2003520958A (en) 2003-07-08
JP4718087B2 (en) 2011-07-06
US20030128371A1 (en) 2003-07-10
EP1252498B1 (en) 2009-10-07
DE60140110D1 (en) 2009-11-19
WO2001053798A1 (en) 2001-07-26

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