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MCM-41/chondroitin sulfate hybrid hydrogels with remarkable mechanical properties and superabsorption of methylene blue.
Veregue, Fernanda R; de Lima, Hugo H C; Ribeiro, Stéphanie C; Almeida, Marcelo S; da Silva, Cleiser T P; Guilherme, Marcos R; Rinaldi, Andrelson W.
Afiliação
  • Veregue FR; Rinaldi Research Group, State University of Maringá - UEM, 5790 Colombo Avenue, 87020-900, Maringá, PR, Brazil.
  • de Lima HHC; Rinaldi Research Group, State University of Maringá - UEM, 5790 Colombo Avenue, 87020-900, Maringá, PR, Brazil.
  • Ribeiro SC; Rinaldi Research Group, State University of Maringá - UEM, 5790 Colombo Avenue, 87020-900, Maringá, PR, Brazil.
  • Almeida MS; Rinaldi Research Group, State University of Maringá - UEM, 5790 Colombo Avenue, 87020-900, Maringá, PR, Brazil.
  • da Silva CTP; Rinaldi Research Group, State University of Maringá - UEM, 5790 Colombo Avenue, 87020-900, Maringá, PR, Brazil.
  • Guilherme MR; Rinaldi Research Group, State University of Maringá - UEM, 5790 Colombo Avenue, 87020-900, Maringá, PR, Brazil; Cesumar Institute of Science, Technology and Innovation - ICETI, Av. Guerdner, 1610, Jd. Aclimação, Maringá, Paraná, Brazil.
  • Rinaldi AW; Rinaldi Research Group, State University of Maringá - UEM, 5790 Colombo Avenue, 87020-900, Maringá, PR, Brazil. Electronic address: andrelson.rinaldi@gmail.com.
Carbohydr Polym ; 247: 116558, 2020 Nov 01.
Article em En | MEDLINE | ID: mdl-32829784
This paper describes the synthesis of hybrid hydrogels based on chondroitin sulfate (CS) and mesoporous silica (MCM-41). The combination of the CS network and surface-modified MCM-41 yields resilient hybrids with a high water absorption power and excellent capacity for the removal of methylene blue (MB). In this system, two types of solute transport mechanisms exist: absorption and adsorption. The effect of MCM-41 on the physical-chemical properties of the hydrogels was assessed over a wide pH scale, and the absorption kinetics and isotherms of MB were studied by theoretical models. The mechanical properties of the hydrogels, such as the modulus of elasticity, yield strength, modulus of resilience, and fracture toughness, were significantly improved. This hydrogel exhibited high performance for water absorption (4000 % beyond its initial weight) and removal of MB (3982 ± 123.6 mg g-1), while the pure hydrogel removed 2912 ± 163.8 mg g-1.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Poluentes Químicos da Água / Sulfatos de Condroitina / Dióxido de Silício / Hidrogéis / Azul de Metileno Idioma: En Revista: Carbohydr Polym Ano de publicação: 2020 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Poluentes Químicos da Água / Sulfatos de Condroitina / Dióxido de Silício / Hidrogéis / Azul de Metileno Idioma: En Revista: Carbohydr Polym Ano de publicação: 2020 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido