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Development of new chemical sensors exploring chirality of silver and gold nanoparticles inside chiral nematic mesoporous silica

Grant number: 14/01025-0
Support type:Scholarships abroad - Research
Effective date (Start): August 15, 2014
Effective date (End): August 14, 2015
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Inorganic Chemistry
Principal researcher:Vitor de Moraes Zamarion
Grantee:Vitor de Moraes Zamarion
Host: Mark John Maclachlan
Home Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Research place: University of British Columbia (UBC), Canada  


The idea of the project is to study a little-explored property of plasmonic nanoparticles, the chirality. Intrinsic of this kind of nanoparticles or induced a chiral environment, circular dichroism measurements of nanoparticles immobilized in porous matrices with chiral nematic organization, have optical activity in the spectral region of surface plasmon resonance. Highly sensitive to any change in the chemical environment, the proposed research project aims to develop a new class of chemical sensors, functionalizing the nanoparticles inside the chiral matrix with multi-bridge ligands for further studies of molecular recognition. (AU)

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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)
DEHN, M. H.; ARSENEAU, D. J.; BOENI, P.; BRIDGES, M. D.; BUCK, T.; CORTIE, D. L.; FLEMING, D. G.; KELLY, J. A.; MACFARLANE, W. A.; MACLACHLAN, M. J.; MCFADDEN, R. M. L.; MORRIS, G. D.; WANG, P. -X.; XIAO, J.; ZAMARION, V. M.; KIEFL, R. F. Communication: Chemisorption of muonium on gold nanoparticles: A sensitive new probe of surface magnetism and reactivity. Journal of Chemical Physics, v. 145, n. 18 NOV 14 2016. Web of Science Citations: 3.
ZAMARION, VITOR M.; KHAN, MOSTOFA K.; SCHLESINGER, MAIK; BSOUL, ANAS; WALUS, KONRAD; HAMAD, WADOOD Y.; MACLACHLAN, MARK J. Photonic metal-polymer resin nanocomposites with chiral nematic order. CHEMICAL COMMUNICATIONS, v. 52, n. 50, p. 7810-7813, 2016. Web of Science Citations: 5.

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