Author: Neethirajan, Suresh; Ahmed, Syed Rahin; Chand, Rohit; Buozis, John; Nagy, Éva
Title: Recent Advances in Biosensor Development for Foodborne Virus Detection Document date: 2017_7_5
ID: sj6zfybb_132
Snippet: Cerium oxide-based nanomaterials with enzyme-mimic material of cerium oxide (ceria) produce highly catalytic activity due to the mixture of valence states of Ce 3+ and Ce 4+ together with the presence of oxygen vacancies [139] . The dominant Ce 3+ and oxygen vacancy on nanoceria surface are due to its large surface to volume ratio [140] . Oxygen vacancies lead to the reduction of positive charge by Ce 3+ to stabilise the Ce 3+ oxidation state. Th.....
Document: Cerium oxide-based nanomaterials with enzyme-mimic material of cerium oxide (ceria) produce highly catalytic activity due to the mixture of valence states of Ce 3+ and Ce 4+ together with the presence of oxygen vacancies [139] . The dominant Ce 3+ and oxygen vacancy on nanoceria surface are due to its large surface to volume ratio [140] . Oxygen vacancies lead to the reduction of positive charge by Ce 3+ to stabilise the Ce 3+ oxidation state. The two oxidation states can be switched with each other between the Ce 3+ and Ce 4+ recycle processes to generate catalytic energy and activity. Its application on enzyme mimics includes catalase, oxidase, and superoxide oxidase (SOD), mimics.
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