Characterization of PVA cryogel for intravascular ultrasound elasticity imaging

The present study characterizes the mechanical properties of polyvinyl alcohol (PVA) cryogel in order to show its utility for intravascular elastography. PVA cryogel becomes harder with an increasing number of freeze-thaw cycles, and Young's modulus and Poisson's ratio are measured for sev...

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Veröffentlicht in:IEEE transactions on ultrasonics, ferroelectrics, and frequency control. - 1986. - 50(2003), 10 vom: 30. Okt., Seite 1318-24
1. Verfasser: Fromageau, Jérémie (VerfasserIn)
Weitere Verfasser: Brusseau, Elisabeth, Vray, Didier, Gimenez, Gérard, Delachartre, Philippe
Format: Aufsatz
Sprache:English
Veröffentlicht: 2003
Zugriff auf das übergeordnete Werk:IEEE transactions on ultrasonics, ferroelectrics, and frequency control
Schlagworte:Comparative Study Evaluation Study Journal Article Validation Study Blood Proteins Cryogels Fibronectins Hydrogels Polyvinyl Alcohol 9002-89-5
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520 |a The present study characterizes the mechanical properties of polyvinyl alcohol (PVA) cryogel in order to show its utility for intravascular elastography. PVA cryogel becomes harder with an increasing number of freeze-thaw cycles, and Young's modulus and Poisson's ratio are measured for seven samples. Mechanical tests were performed on cylindrical samples with a pressure column and on a hollow cylinder with the calculation of an intravascular elastogram. An image of the Young's modulus was obtained from the elastogram using cylinder geometry properties. Results show the mechanical similitude of PVA cryogel with the biological tissues present in arteries. A good agreement between Young's modulus obtained from pressure column and from elastogram was also observed 
650 4 |a Comparative Study 
650 4 |a Evaluation Study 
650 4 |a Journal Article 
650 4 |a Validation Study 
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650 7 |a Cryogels  |2 NLM 
650 7 |a Fibronectins  |2 NLM 
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650 7 |a Polyvinyl Alcohol  |2 NLM 
650 7 |a 9002-89-5  |2 NLM 
700 1 |a Brusseau, Elisabeth  |e verfasserin  |4 aut 
700 1 |a Vray, Didier  |e verfasserin  |4 aut 
700 1 |a Gimenez, Gérard  |e verfasserin  |4 aut 
700 1 |a Delachartre, Philippe  |e verfasserin  |4 aut 
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