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- Toward pH-controllable bioelectrocatalysis for hydrogen peroxide based on polymer brushes
- Universidade Estadual Paulista (UNESP)
- Universidade Estadual de Campinas (UNICAMP)
- Universidade de São Paulo (USP)
- In the present work, a biosensor was built with smart material based on polymer brushes. The biosensor demonstrated a pH-sensitive on-off property, and it was further used to control or modulate the electrochemical responses of the biosensor. This property could be used to realize pH-controlled electrochemical reaction of hydrogen peroxide and HRP immobilized on polymer brushes. The composite film also showed excellent amperometric i-t response toward hydrogen peroxide in the concentration range of 0-13 μM. In future, this platform might be used for self-regulating targeted diagnostic, drug delivery and biofuel cell based on controllable bioelectrocatalysis. © 2013 Elsevier B.V.
- Electrochemistry Communications, v. 29, p. 41-44.
- Enzymatic biosensor
- Polymer brushes
- Stimuli-responsive materials
- Concentration ranges
- Electrochemical reactions
- Electrochemical response
- pH sensitive on offs
- Composite films
- Drug delivery
- Functional polymers
- Hydrogen peroxide
- Acesso restrito
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