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Bone formation controlled by biologically active inorganic ions: investigation of the role and controlled delivery of relevant ions from biomaterials

Grant number: 13/12376-5
Support Opportunities:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): August 20, 2013
Effective date (End): August 19, 2014
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Physical-Chemistry
Principal Investigator:Celso Aparecido Bertran
Grantee:João Henrique Lopes
Supervisor: Jake Edward Barralet
Host Institution: Instituto de Química (IQ). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Research place: McGill University, Montreal, Canada  
Associated to the scholarship:10/05394-9 - Bioglasses derived from 45S5: effects of Nb2O5 or surface modification with Ca2+ on the glass structure and bioactivity, BP.DR


Graphene is a sheet of carbon with one atom thickness, but it possesses an incredible number of unique electronic, mechanical, and photonic properties, as well as being incredibly strong. The traditional process for the synthesis of graphene involves several steps, which increases the cost of production, but also uses hazardous materials as reducing agents or solvents such as hydrazine, which makes the process environmentally unfriendly. Hence, development of a facile and eco-friendly method to prepare graphene is desirable. In the present project, we will be employed the electrochemical exfoliation of graphite in order to obtain graphene sheets in high quality and high yield decorated with Ag or Pt nanoparticles, aiming two distinct potential applications: sensors for detection of glucose and H2O2 and catalyst supports as an alternative for conventional carbon supports in Proton Exchange Membrane Fuel Cells (PEMFCs). (AU)

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Scientific publications (4)
(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)
LOPES, JOAO HENRIQUE; YE, SIYU; GOSTICK, JEFF T.; BARRALET, JAKE E.; MERLE, GERALDINE. Electrocatalytic Oxygen Reduction Performance of Silver Nanoparticle Decorated Electrochemically Exfoliated Graphene. Langmuir, v. 31, n. 35, p. 9718-9727, . (13/12376-5)
LOPES, JOAO HENRIQUE; COLSON, FRANCOIS-XAVIER; BARRALET, JAKE E.; MERLE, GERALDINE. Electrically wired enzyme/TiO2 composite for glucose detection. Materials Science & Engineering C-Materials for Biological Applications, v. 76, p. 991-996, . (13/12376-5)
LOPES, JOAO H.; COLSON, FRANCOIS-XAVIER; YE, SIYU; GOSTICK, JEFF T.; BARRALET, JAKE E.; MERLE, GERALDINE. Graphene modified nanosized Ag electrocomposites. Materials Research Bulletin, v. 89, p. 42-50, . (13/12376-5)
LOPES, J. H.; GUILHOU, M.; MARELLI, B.; OMENETTO, F. G.; KAPLAN, D. L.; BARRALET, J. E.; MERLE, G.. Silk fibroin hydroxyapatite composite thermal stabilisation of carbonic anhydrase. JOURNAL OF MATERIALS CHEMISTRY A, v. 3, n. 38, p. 19282-19287, . (13/12376-5)

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