WO2002004938A3 - Appareil et procedes de determination des proprietes viscoelastiques des materiaux - Google Patents

Appareil et procedes de determination des proprietes viscoelastiques des materiaux Download PDF

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Publication number
WO2002004938A3
WO2002004938A3 PCT/US2001/021659 US0121659W WO0204938A3 WO 2002004938 A3 WO2002004938 A3 WO 2002004938A3 US 0121659 W US0121659 W US 0121659W WO 0204938 A3 WO0204938 A3 WO 0204938A3
Authority
WO
WIPO (PCT)
Prior art keywords
viscoelastic
methods
properties
determining
materials
Prior art date
Application number
PCT/US2001/021659
Other languages
English (en)
Other versions
WO2002004938A2 (fr
Inventor
Robin Coger
Jeffrey Parsons
Original Assignee
Univ North Carolina
Robin Coger
Jeffrey Parsons
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 Univ North Carolina, Robin Coger, Jeffrey Parsons filed Critical Univ North Carolina
Priority to AU2001273302A priority Critical patent/AU2001273302A1/en
Publication of WO2002004938A2 publication Critical patent/WO2002004938A2/fr
Publication of WO2002004938A3 publication Critical patent/WO2002004938A3/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/012—Phase angle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/024—Mixtures
    • G01N2291/02466—Biological material, e.g. blood
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0427—Flexural waves, plate waves, e.g. Lamb waves, tuning fork, cantilever
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/106—Number of transducers one or more transducer arrays

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

La présente invention concerne un appareil et des procédés permettant de déterminer les propriétés viscoélastiques (rhéologiques) des matériaux. Cet appareil et ces procédés sont particulièrement avantageux dans la détermination des propriétés viscoélastiques des matrices extracellulaires (ECM) qui sont de plus en plus importantes dans la modélisation prédictive des systèmes biologiques. Dans un premier aspect de l'invention, un rhéomètre linéaire à commande piézo-électrique (PALR) est conçu pour résoudre les problèmes actuels des méthodes rhéométriques qui surviennent pendant la mesure des propriétés viscoélastiques de la surface et du volume de matériaux hydratés. Ce nouvel appareil comprend une console qui applique une charge oscillante sur le matériau viscoélastique pour détecter sa déflexion. Cette console utilise une couche parmi la pluralité de couches qu'elle comprend comme actionneur et une autre couche comme piézopolymère pour mesurer le mouvement latéral d'une sonde fixe. La nature viscoélastique du matériau testé ajoute de l'amortissement au système, ce qui a pour effet d'atténuer et de déphaser la tension de sortie du capteur. A partir de ces paramètres, on peut quantifier les propriétés physiques d'un matériau, notamment le module de conservation de cisaillement et le module de perte.
PCT/US2001/021659 2000-07-10 2001-07-10 Appareil et procedes de determination des proprietes viscoelastiques des materiaux WO2002004938A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001273302A AU2001273302A1 (en) 2000-07-10 2001-07-10 Apparatus and methods for determining the viscoelastic properties of materials

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21694500P 2000-07-10 2000-07-10
US60/216,945 2000-07-10

Publications (2)

Publication Number Publication Date
WO2002004938A2 WO2002004938A2 (fr) 2002-01-17
WO2002004938A3 true WO2002004938A3 (fr) 2002-10-03

Family

ID=22809082

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/021659 WO2002004938A2 (fr) 2000-07-10 2001-07-10 Appareil et procedes de determination des proprietes viscoelastiques des materiaux

Country Status (2)

Country Link
AU (1) AU2001273302A1 (fr)
WO (1) WO2002004938A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2568963C1 (ru) * 2014-06-30 2015-11-20 Виктор Андреевич Ломовской Измерительный преобразователь

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2336679A1 (fr) * 1975-12-22 1977-07-22 Forestier Francois Procede et dispositif pour l'examen de changements de phase dans un echantillon d'une suspension colloidale ou d'un gel
EP0578539A1 (fr) * 1992-07-03 1994-01-12 Bongrain S.A. Dispositif et procédé de caractérisation ou de mesure par ultrasons de texture de produits
US5659129A (en) * 1992-07-22 1997-08-19 Vserossiisky Nauchno-Issledovatelsky Institut Prirodnykh Gazoy I Gazovykh Device for excitation of oscillations and determination of properties of various fluid media
WO1997037217A2 (fr) * 1996-03-29 1997-10-09 Abbott Laboratories Procede et appareil d'analyse de produits fluides

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2336679A1 (fr) * 1975-12-22 1977-07-22 Forestier Francois Procede et dispositif pour l'examen de changements de phase dans un echantillon d'une suspension colloidale ou d'un gel
EP0578539A1 (fr) * 1992-07-03 1994-01-12 Bongrain S.A. Dispositif et procédé de caractérisation ou de mesure par ultrasons de texture de produits
US5659129A (en) * 1992-07-22 1997-08-19 Vserossiisky Nauchno-Issledovatelsky Institut Prirodnykh Gazoy I Gazovykh Device for excitation of oscillations and determination of properties of various fluid media
WO1997037217A2 (fr) * 1996-03-29 1997-10-09 Abbott Laboratories Procede et appareil d'analyse de produits fluides

Also Published As

Publication number Publication date
WO2002004938A2 (fr) 2002-01-17
AU2001273302A1 (en) 2002-01-21

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