Immobilization effects on the photocatalytic activity of CdS quantum Dots-Horseradish peroxidase hybrid nanomaterials.
J Colloid Interface Sci
; 506: 36-45, 2017 Nov 15.
Article
em En
| MEDLINE
| ID: mdl-28710930
The potential use of hybrid nanomaterials based on inorganic optically active nanoparticles known as quantum dots (QDs) and horseradish peroxidase (HRP) has been proposed by several authors as light-controllable nanocatalyzers, moreover, the immobilization within or over silica based supports represents an advantage over bulk-dispersed systems. However, the implications of the immobilization of such hybrid photoactivatable catalyzing systems have not been clarified with detail. Here, we present a thorough study of the functional photoactive efficiency and recycling of immobilized CdS QDs and HRP systems with different configurations, immobilized over silanized silica quartz crystal microbalance (QCM) sensors, allowing an accurate measure of the immobilized mass of each component and its correlation with the initial reaction rate of conversion of Amplex Red (AR) to resorufin. As well, the conversion efficiency is compared between the different systems and also to non-immobilized QD-HRP complexed systems.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Sulfetos
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Compostos de Cádmio
/
Pontos Quânticos
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Enzimas Imobilizadas
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Peroxidase do Rábano Silvestre
Idioma:
En
Revista:
J Colloid Interface Sci
Ano de publicação:
2017
Tipo de documento:
Article
País de afiliação:
México
País de publicação:
Estados Unidos