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A novel strategy for immobilization of thionine based on calcium carbonate-gold nanoparticles inorganic hybrid composite and its application in hydrogen peroxide sensor |
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| Authors: | LI Feng FENG Yan LI JingJing &GUO Jie Key Laboratory of Eco-Chemical Engineering Ministry of Education College of Chemistry Molecular Engineering Qingdao University of Science Technology Qingdao China |
| Affiliation: | LI Feng 1*,FENG Yan 1,LI JingJing 1 &GUO Jie 2* 1 Key Laboratory of Eco-Chemical Engineering,Ministry of Education,College of Chemistry and Molecular Engineering,Qingdao University of Science and Technology,Qingdao 266042,China 2Department of Radiotherapy,Second Hospital,Jilin University,Changchun 130025,China |
| Abstract: | A novel strategy for efficient immobilization of electroactive Thionine(Th)on the gold(Au)electrode surface based on calcium carbonate-gold nanoparticles(CaCO3-AuNPs)inorganic hybrid composite was proposed and conducted by the strong electrostatic interaction between positively charged Th and negatively charged CaCO3-AuNPs composite.The hybrid composite was obtained by the adsorption of AuNPs onto the surface of CaCO3 microspheres through electrostatic interaction.Due to the microporous architecture,large s... |
| Keywords: | thionine CaCO3-AuNPs sensor electrostatic interaction |
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