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2. From Waste to Healing Biopolymers: Biomedical Applications of Bio-Collagenic Materials Extracted from Industrial Leather Residues in Wound Healing

Author

Consejo Superior de Investigaciones Científicas (España), Ministerio de Ciencia e Innovación (España), Junta de Andalucía, Catalina, Mercedes, Cot, Jaume, Borràs, Miquel, Lapuente, Joaquín de, González Aguilar, Javier José, Balu, Alina M., Luque, Rafael, Consejo Superior de Investigaciones Científicas (España), Ministerio de Ciencia e Innovación (España), Junta de Andalucía, Catalina, Mercedes, Cot, Jaume, Borràs, Miquel, Lapuente, Joaquín de, González Aguilar, Javier José, Balu, Alina M., and Luque, Rafael

Abstract

The biomedical properties of a porous bio-collagenic polymer extracted from leather industrial waste residues have been investigated in wound healing and tissue regeneration in induced wounds in rats. Application of the pure undiluted bio-collagen to induced wounds in rats dramatically improved its healing after 7 days in terms of collagen production and wound filling as well as in the migration and differentiation of keratinocytes. The formulation tested was found to be three times more effective than the commercial reference product Catrix® (Heal Progress (HP): 8 ± 1.55 vs. 2.33 ± 0.52, p < 0.001; Formation of Collagen (FC): 7.5 ± 1.05 vs. 2.17 ± 0.75, p < 0.001; Regeneration of Epidermis (RE): 13.33 ± 5.11 vs. 5 ± 5.48, p < 0.05).

Published
2013

8. CO2 Separation and Capture Properties of Porous Carbonaceous Materials from Leather Residues.

Author

Bermúdez, José M., Dominguez, Pablo Haro, Arenillas, Ana, Cot, Jaume, Weber, Jens, and Luque, Rafael

Subjects
CARBON sequestration, CARBON dioxide, POROUS materials, LEATHER, WASTE minimization
Abstract

Carbonaceous porous materials derived from leather skin residues have been found to have excellent CO2 adsorption properties, with interestingly high gas selectivities for CO2 (α > 200 at a gas composition of 15% CO2/85% N2, 273K, 1 bar) and capacities (>2 mmol·g-1 at 273 K). Both CO2 isotherms and the high heat of adsorption pointed to the presence of strong binding sites for CO2 which may be correlated with both: N content in the leather residues and ultrasmall pore sizes. [ABSTRACT FROM AUTHOR]

Published
2013
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