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Investigating colloidal systems by scattering methods

Grant number: 18/16092-5
Support type:Regular Research Grants
Duration: December 01, 2018 - February 28, 2021
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal researcher:Cristiano Luis Pinto de Oliveira
Grantee:Cristiano Luis Pinto de Oliveira
Home Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Assoc. researchers: Cassio Alves ; Cibele Rosana Ribeiro de Castro Lima ; Luis Eduardo Soares Netto ; Marco Aurélio Brizzotti Andrade ; Marcos Tadeu Dazeredo Orlando ; Roberto Kopke Salinas ; Roman Spirin ; Samantha Cristina de Pinho

Abstract

Spectroscopic techniques are widely used for the investigation of several types of systems. These techniques 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 a previous project, we started the development of methods for simulation, analysis and modeling for small angle scattering and diffraction data. These methods were successfully applied in a broad range of applications, permitting the correct analysis and description of experimental data as well as the retrieval of correct structural parameters. As a result, a set of tools is under developed and is made available for the scientific community. In this project is proposed the development of of new modeling tools and the enhancement of the developed methods. Also, the modeling methods will be extended for the investigation of oriented systems. As described in this project, this approach is scarce in the literature and will allow the achievement of original results on a number of systems. (AU)

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Scientific publications (11)
(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)
RASMUSSEN, HELENA OSTERGAARD; WOLLENBERG, DANIEL T. WELTZ; WANG, HUABING; ANDERSEN, KELL K.; OLIVEIRA, CRISTIANO L. P.; JORGENSEN, CHRISTIAN ISAK; JORGENSEN, THOMAS J. D.; OTZEN, DANIEL E.; PEDERSEN, JAN SKOV. he changing face of SDS denaturation: Complexes of Thermomyces lanuginosus lipase with SDS at pH 4.0, 6.0 and 8.. Journal of Colloid and Interface Science, v. 614, p. 214-232, MAY 15 2022. Web of Science Citations: 0.
RIBEIRO, TALITA A.; MACHADO-FERREIRA, ERIK; GUIMARAES, LOHAINE F.; CAVALEIRO, JESSICA; BRITTO, ALAN MESSALA A.; REDUA, NATALY; PEREIRA DE SOUZA, LUCAS MIGUEL; PIMENTEL, ANDRE S.; PICCIANI, PAULO H. S.; OLIVEIRA, OSVALDO N. JR JR; BARRETO, CLEBER BONFIM; SOARES, CARLOS AUGUSTO G. Novel cytotoxic amphiphilic nitro-compounds derived from a synthetic route for paraconic acids. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, v. 626, OCT 5 2021. Web of Science Citations: 0.
DE SOUZA DEGENHARDT, MAXIMILIA F.; VITALE, PHELIPE A. M.; ABIKO, LAYARA A.; ZACHARIAS, MARTIN; SATTLER, MICHAEL; OLIVEIRA, CRISTIANO L. P.; SALINAS, ROBERTO K. Molecular insights on CALX-CBD12 interdomain dynamics from MD simulations, RDCs, and SAXS. BIOPHYSICAL JOURNAL, v. 120, n. 17, p. 3664-3675, SEP 7 2021. Web of Science Citations: 0.
CARDOSO, FABIO F.; DE SOUZA, MAXIMILIA F.; OLIVEIRA, CRISTIANO L. P.; FONTES, MARCOS R. M. In-solution structural studies involving a phospholipase A 2-like myotoxin and a natural inhibitor: Plasticity of oligomeric assembly affects mechanisms of inhibition. Biochimie, v. 181, p. 145-153, FEB 2021. Web of Science Citations: 0.
RUKS, TATJANA; LOZA, KATERYNA; HEGGEN, MARC; PRYMAK, OLEG; SEHNEM, ANDRE LUIZ; OLIVEIRA, CRISTIANO L. P.; BAYER, PETER; BEUCK, CHRISTINE; EPPLE, MATTHIAS. Peptide-Conjugated Ultrasmall Gold Nanoparticles (2 nm) for Selective Protein Targeting. ACS APPLIED BIO MATERIALS, v. 4, n. 1, p. 945-965, JAN 18 2021. Web of Science Citations: 0.
GARCIA, PAULO RICARDO ABREU FURTADO RICARDO; ARAUJO, WAGNER WLYSSES RODRIGUES; TEOBALDO, GABRIEL BRAGA MARQUES; DE MENEZES, ALAN SILVA; OTUBO, LARISSA; OLIVEIRA, CRISTIANO LUIS PINTO. Synthesis and structural characterization of gold nanorods. INTERNATIONAL NANO LETTERS, JAN 2021. Web of Science Citations: 0.
SOUZA, FELIPE RODRIGUES; PEREIRA SOUZA, LUCAS MIGUEL; PIMENTEL, ANDRE SILVA. Recent Open Issues in Coarse Grained Force Fields. JOURNAL OF CHEMICAL INFORMATION AND MODELING, v. 60, n. 12, p. 5881-5884, DEC 28 2020. Web of Science Citations: 0.
GERBELLI, BARBARA B.; OLIVEIRA, CRISTIANO L. P.; SILVA, EMERSON R.; HAMLEY, IAN W.; ALVES, WENDEL A. Amyloid Formation by Short Peptides in the Presence of Dipalmitoylphosphatidylcholine Membranes. Langmuir, v. 36, n. 48, p. 14793-14801, DEC 8 2020. Web of Science Citations: 0.
OSELIERO FILHO, PEDRO LEONIDAS; GERBELLI, BARBARA BIANCA; FORNASIER, FRANCCESCA; CHAVES FILHO, ADRIANO B.; YOSHINAGA, MARCOS YUKIO; MIYAMOTO, SAYURI; MORTARA, LAURA; LACERDA, CAROLINE DUTRA; CUCCOVIA, IOLANDA MIDEA; PIMENTEL, ANDRE SILVA; PINTO OLIVEIRA, CRISTIANO LUIS. Structure and Thermotropic Behavior of Bovine- and Porcine-Derived Exogenous Lung Surfactants. Langmuir, v. 36, n. 48, p. 14514-14529, DEC 8 2020. Web of Science Citations: 0.
VAN DER MEER, SELINA BEATRICE; SEILER, THERESA; BUCHMANN, CHRISTIN; PARTALIDOU, GEORGIA; BODEN, SOPHIA; LOZA, KATERYNA; HEGGEN, MARC; LINDERS, JURGEN; PRYMAK, OLEG; OLIVEIRA, CRISTIANO L. P.; HARTMANN, LAURA; EPPLE, MATTHIAS. Controlling the Surface Functionalization of Ultrasmall Gold Nanoparticles by Sequence-Defined Macromolecules. CHEMISTRY-A EUROPEAN JOURNAL, v. 27, n. 4 DEC 2020. Web of Science Citations: 0.
GARCIA, PAULO R. A. F.; PRYMAK, OLEG; GRASMIK, VIKTORIA; PAPPERT, KEVIN; WLYSSES, WAGNER; OTUBO, LARISSA; EPPLE, MATTHIAS; OLIVEIRA, CRISTIANO L. P. An in situ SAXS investigation of the formation of silver nanoparticles and bimetallic silver-gold nanoparticles in controlled wet-chemical reduction synthesis. NANOSCALE ADVANCES, v. 2, n. 1, p. 225-238, JAN 1 2020. Web of Science Citations: 0.

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