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Study of stimulus-responsive properties of polymer brush modified with gold nanoparticle

Grant number: 13/12623-2
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): August 01, 2013
Effective date (End): May 31, 2015
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
Principal Investigator:Valber de Albuquerque Pedrosa
Grantee:Juliane Renata Sempionatto Moreto
Host Institution: Instituto de Biociências (IBB). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil
Associated research grant:10/07478-5 - Chain reaction amplified biocatalytic responses in nanostructured plasmonic sensors, AP.JP
Associated scholarship(s):14/13876-4 - Smart biointerfaces using sensing and actuating system controlled by Boolean logic, BE.EP.MS


During the last decades the development of sensors has been the subject of much attention due to an increased demand for sensor platforms and biosensors for environmental monitoring and clinician safety. Current efforts have focused on the search for sensors that are economically viable, highly sensitive and selective.Recently, smart polymer thin films activated by external stimuli have attracted considerable interest in the development of sensors for use in chemical and biochemical systems. These materials have a high sensitivity to physical or chemical changes occurring in the interface, and respond selectively to these changes to adapt to the environment. A material which meets these requirements is polymer brushes, which have been used in numerous applications such as protein binding and enzyme immobilization, chromatography supported, and functionalized membrane. Despite their interesting properties and numerous reports describing the potential of the polymer brush as sensitive surface, its use in real applications of sensing received little or no attention so far.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
JULIANE R. SEMPIONATTO; LUCAS C. RECCO; VALBER A. PEDROSA. Polymer brush modified electrode with switchable selectivity triggered by pH changes enhanced by gold nanoparticles. Journal of the Brazilian Chemical Society, v. 25, n. 3, p. 453-459, . (10/07478-5, 13/12623-2)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
MORETO, Juliane Renata Sempionatto. Estudo das propriedades estímulo responsivas dos polímeros escovas. 2015. Master's Dissertation - Universidade Estadual Paulista (Unesp). Faculdade de Ciências. Bauru Bauru.

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