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Preparation and characterization of natural rubber membranes with metallic nanoparticles

Grant number: 07/04952-5
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): October 01, 2007
Effective date (End): September 30, 2009
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Nonmetallic Materials
Principal researcher:Aldo Eloizo Job
Grantee:Flávio Camargo Cabrera
Home Institution: Faculdade de Ciências e Tecnologia (FCT). Universidade Estadual Paulista (UNESP). Campus de Presidente Prudente. Presidente Prudente , SP, Brazil


This project has for main objective to do colloidal incorporation of nanoparticles of gold in fine membranes of natural rubber for application in sensor. The membranes will be prepared for the casting method, starting from the rubber tree, clone of Hevea brasiliensis, that they will be deposited on glass, used in the syntheses of metallic nanoparticles, for the method of reaction in situ, using the solution of gold tetrachloride (Au-III). The characterization studies will be made by spectroscopy in the ultra-violet (UV-vis), spectroscopy for infrared (FT-IR) and micro Raman, thermal analyses (DSC, TG and DMA), analysis thermogravimetric coupled to the infrared (TG/FT-IR), mechanical properties (stress x strain) and measures of electric conductivity in the volume and in function of the pressure. The growth kinetics and production of the membranes still to be explored in the production of sensorial units for the electronic language.

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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)
DE SIQUEIRA, ALEXANDRE FIORAVANTE; CABRERA, FLAVIO CAMARGO; NAKASUGA, WAGNER MASSAYUKI; PAGAMISSE, AYLTON; JOB, ALDO ELOIZO. Jansen-MIDAS: A multi-level photomicrograph segmentation software based on isotropic undecimated wavelets. MICROSCOPY RESEARCH AND TECHNIQUE, v. 81, n. 1, p. 22-32, JAN 2018. Web of Science Citations: 1.
CABRERA, FLAVIO C.; AGOSTINI, DEUBER L. S.; DOS SANTOS, RENIVALDO J.; GUIMARAES, FRANCISCO E. G.; GUERRERO, ARIEL R.; AROCA, RICARDO F.; JOB, ALDO E. Organic acids and protein compounds causing the photoluminescence properties of natural rubber membranes and the quenching phenomena from Au nanoparticle incorporation. LUMINESCENCE, v. 29, n. 8, p. 1047-1052, DEC 2014. Web of Science Citations: 1.

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