Mechanical properties of cross-linked hyaluronic acid/poly-(L-lysine) multilayer films

被引：45

作者：

Collin, D

Lavalle, P

Garza, JM

Voegel, JC

Schaaf, P

Martinoty, P

机构：

[1] Univ Strasbourg 1, INSERM, Fac Chirurgie Dent, Unite 595, F-67085 Strasbourg, France

[2] Univ Strasbourg 1, Lab Dynam Fluides Complexes, CNRS, UMR 7506, F-67070 Strasbourg, France

[3] Fac Med Vandoeuvre Nancy, CNRS, UMR 7563, LEMTA, F-54500 Vandoeuvre Les Nancy, France

[4] Inst Charles Sadron, CNRS, UPR 22, F-67083 Strasbourg, France

来源：

MACROMOLECULES | 2004年 / 37卷 / 26期

关键词：

D O I：

10.1021/ma048683g

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A piezorheometer was used to provide the first study of the shear modulus of poly(L-lysine)/hyaluronic acid (PLL/HA) multilayer films. It was found that this type of rheometer allows the first determination of the complex shear modulus over a wide frequency range, from 0.2 Hz to a few Kilohertz. The (PLL/HA)n multilayer films were built up by sequential dipping of the substrate into polyanion and polycation solutions. It was concluded that the technique requires films with thicknesses ranging from 10 to 100 μm and is thus well adapted for the study of thick exponentially growing films.

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收藏

页码：10195 / 10198

页数：4

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