Polysaccharide films built by simultaneous or alternate spray: a rapid way to engineer biomaterial surfaces

Langmuir : the ACS Journal of Surfaces and Colloids
G CadoF Boulmedais

Abstract

We investigated polysaccharide films obtained by simultaneous and alternate spraying of a chitosan (CHI) solution as polycation and hyaluronic acid (HA), alginate (ALG), and chondroitin sulfate (CS) solutions as polyanions. For simultaneous spraying, the film thickness increases linearly with the cumulative spraying time and passes through a maximum for polyanion/CHI molar charge ratios lying between 0.6 and 1.2. The size of polyanion/CHI complexes formed in solution was compared with the simultaneously sprayed film growth rate as a function of the polyanion/CHI molar charge ratio. A good correlation was found. This suggests the importance of polyanion/polycation complexation in the simultaneous spraying process. Depending on the system, the film topography is either liquid-like or granular. Film biocompatibility was evaluated using human gingival fibroblasts. A small or no difference is observed in cell viability and adhesion between the two deposition processes. The CHI/HA system appears to be the best for cell adhesion inducing the clustering of CD44, a cell surface HA receptor, at the membrane of cells. Simultaneous or alternate spraying of CHI/HA appears thus to be a convenient and fast procedure for biomaterial surface mo...Continue Reading

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Citations

Sep 27, 2013·Journal of Materials Science. Materials in Medicine·Honglei GuoDemin Yu
Jun 9, 2014·Materials Science & Engineering. C, Materials for Biological Applications·Pedro H B AokiCarlos J L Constantino
Oct 4, 2014·European Journal of Pharmaceutical Sciences : Official Journal of the European Federation for Pharmaceutical Sciences·O CatanzanoM Malinconico
Jun 25, 2013·Langmuir : the ACS Journal of Surfaces and Colloids·Choonghyun SungJodie L Lutkenhaus
Jan 30, 2013·Colloids and Surfaces. B, Biointerfaces·Shangjing XinHongbing Deng
Mar 25, 2014·Journal of Biomedical Materials Research. Part a·Isa P MonteiroPaula T Hammond
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Dec 15, 2015·PloS One·Mihaela MateescuPhilippe Lavalle
Mar 17, 2017·ACS Applied Materials & Interfaces·H RammalH Kerdjoudj
Oct 28, 2019·Frontiers in Bioengineering and Biotechnology·Hassan RammalHalima Kerdjoudj

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