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Development of analysis and modeling methods for diffraction and small-angle scattering

Grant number: 15/01732-0
Support Opportunities:Regular Research Grants
Start date: May 01, 2015
End date: April 30, 2017
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal Investigator:Cristiano Luis Pinto de Oliveira
Grantee:Cristiano Luis Pinto de Oliveira
Host Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated researchers: Jan Skov Pedersen

Abstract

Spectroscopic methods are widely used for the investigation of several types of systems. These methods are based on the several types of interaction of the used radiation with matter, which, on the other hand, depends on the intrinsic characteristics of the radiation and its energy. A wide class of spectroscopic methods is the scattering methods: light scattering, X-ray scattering and Neutron scattering. In these cases the experimental data can provide interesting structural information about the studied system as, for example, particle shape and its internal structure, overall structural arrangement of particles, response to the variation of environmental conditions as temperature, pH, ionic strength, etc. However, one of the main difficulties when using scattering methods is the analysis and interpretation of the results. In this project it is proposed the development of methods of simulation, analysis and modeling for small angle scattering experimental data, which can be used in a broad range of applications, providing the correct determination of the structural parameters. The analysis tools developed in this project will also be made available for the scientific community for its use on modeling of experimental data. (AU)

Articles published in Agência FAPESP Newsletter about the research grant:
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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)
SUN, YANG; ZHANG, JUNTAO; WANG, HAIBO; WANG, TINGTING; CHENG, HUA; YU, BO; OLIVEIRA, CRISTIANO L. P.. Sulfate dodecyl sodium-induced stability of a model intrinsically disordered protein, bovine casein. FOOD HYDROCOLLOIDS, v. 82, p. 19-28, . (13/09604-6, 15/01732-0)