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Mesoporous calcium phosphate using casein as a template: Application to bovine serum albumin sorption

Abstract : Mesoporous hydroxyapatites were synthesized at room temperature using casein as a template, and key experimental factors, such as casein concentration, pH and extraction of casein in the final solids by washing and thermal treatment, were systematically investigated. The X-Ray Diffraction (XRD) patterns confirmed the synthesis of well-crystallized hydroxyapatite. The N2 adsorption/desorption isotherms were in agreement with the formation of mesoporous hydroxyapatite with a maximum surface area of 106 m2 g−1. Infrared spectroscopy and thermogravimetry analysis were performed to investigate the extraction of casein in water in the post-synthesis stage. Pure mesoporous hydroxyapatite exhibited good BSA adsorption capacity higher than the one obtained for conventional hydroxyapatite.
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Submitted on : Monday, December 17, 2018 - 6:10:01 PM
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Oberto Grangeiro da Silva, Marco Alves, Ieda Maria Garcia dos Santos, Maria Gardennia Fonseca, Maguy Jaber. Mesoporous calcium phosphate using casein as a template: Application to bovine serum albumin sorption. Colloids and Surfaces B: Biointerfaces, Elsevier, 2017, 158 (Octobre 2017), pp.480-487. ⟨hal-01958215⟩

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