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Cellulose membranes containing nanoparticles for upconversion of energy. Fundamentals and applications.

Grant number: 11/15759-7
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): March 01, 2012
Effective date (End): December 31, 2013
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Inorganic Chemistry
Principal Investigator:Sidney José Lima Ribeiro
Grantee:Karina Nigoghossian
Host Institution: Instituto de Química (IQ). Universidade Estadual Paulista (UNESP). Campus de Araraquara. Araraquara , SP, Brazil
Associated scholarship(s):13/01226-2 - Core-shell upconverting nanoparticles for applications in nanomedicine, BE.EP.MS

Abstract

Cellulose membranes will be prepared containing nanoparticles compounds with lanthanide ions Yb3+ - Er3+ showing properties to convert infrared energy to visible and consequent activation of photosensitive drugs derived from phthalocyanine. The emission properties will be optimized and the membranes thus prepared will be tested as sensitizing photoactivated processes with the aim of applications in biological systems. In this work, the membranes will be tested in the process of photodynamic therapy (PDT).

News published in Agência FAPESP Newsletter about the scholarship:
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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)
MARISTELA F. S. PERES; KARINA NIGOGHOSSIAN; FERNANDO L. PRIMO; SYBELE SASKA; TICIANA S. O. CAPOTE; RAQUEL M. S. CAMINAGA; YOUNES MESSADDEQ; SIDNEY J. L. RIBEIRO; ANTONIO C. TEDESCO. Bacterial Cellulose Membranes as a Potential Drug Delivery System for Photodynamic Therapy of Skin Cancer. Journal of the Brazilian Chemical Society, v. 27, n. 11, p. 1949-1959, . (11/15759-7)
NIGOGHOSSIAN, K.; PERES, M. F. S.; PRIMO, F. L.; TEDESCO, A. C.; PECORARO, E.; MESSADDEQ, Y.; RIBEIRO, S. J. L.. Infrared to Visible Up-conversion in Biocellulose-yttrium Vanadate Nanoparticle Composite Membranes. Demonstration of Chloroaluminum Phthalocyanine Light Emission Under Up-converted Light Excitation. COLLOID AND INTERFACE SCIENCE COMMUNICATIONS, v. 2, p. 5-pg., . (11/15759-7)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
NIGOGHOSSIAN, Karina. Membranas de celulose bacteriana contendo nanopartículas de 'YVO IND. 4': 'YB POT. 3+': 'ER POT. 3+'/'HO POT. 3+' para aplicações envolvendo conversão ascendente de energia. 2013. Master's Dissertation - Universidade Estadual Paulista (Unesp). Instituto de Química. Araraquara Araraquara.

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