Além do LNLS, incluem-se o Laboratório Nacional de Biociências (LNBio), anteriormente denominado Centro de Biologia Molecular Estrutural (CeBiME), que iniciou suas atividades em 2001, e o recém-inaugurado Laboratório Nacional de Ciência e Tecnologia do Bioetanol (CTBE). Bem-vindo ao Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), que abriga o Laboratório Nacional de Luz Síncrotron (LNLS).
COMUNICAÇÕES ORAIS
Prédio do Anel, Auditório Chairperson: Eduardo Granado
Adenilson Oliveira dos Santos (Pág. 193)
Prédio Amarelo, Sala 50
Chairperson: Ana Lúcia Ferreira de Barros
Juan Jose Leani (Pág. 67)
Prédio Amarelo, Sala de Leitura da Biblioteca Chairperson: Danilo de Paiva Almeida
Prédio do Anel, Auditório
Chairperson: Fábio Henrique Barros de Lima
Zélia Soaes Macedo (Pág. 163)
Waldir Júnior Avansi (Pág. 182)
José Ramallo-Lopez (Pág. 205)
Prédio LNBio, Sala 69 Chairperson: André Ambrósio
Marcos Rodrigo Alborghetti (Pág. 23)
Andrea Balan Fernandes (Pág. 43)
Andre Luiz Araújo Pereira (Pág. 53)
Gisele Pedroso Moi (Pág. 56)
Daniel Bretas Roa (Pág. 208)
Prédio Amarelo, Sala 50 Chairperson: Silvana Moreira
Victor Hugo Vitorino Sarmento (Pág. 109)
Fernando Rodolfo Espinoza (Pág. 79)
Inayá Correa Barbosa Lima (Pág. 73)
Prédio LNBio, Sala 69 Chairperson: Ricardo Aparício
SESSÕES TEMÁTICAS Prédio do Anel, Auditório
Chairperson: Mario Ernesto Giroldo Valério
Prédio Amarelo, Sala de Leitura da Biblioteca Chairperson: Rogerio Paniago
Daniela Zanchet, Ângelo Malachias de Souza e Eduardo Granado Prédio Amarelo, Sala 50
Chairperson: Geraldo Gerson Bezerra de Souza
Chairperson: Iris Concepción Linares de Torriani
Chairperson: Celso Santilli
Prédio CTBE, Sala 02
Chairperson: Ricardo Tadeu Lopes
Prédio C2Nano, Sala 01
Chairperson: Paulo Fernando Papaleo Fichtner
22 de Fevereiro, segunda-feira
Resumo 9 Quantificação de metais pesados presentes em partículas na cidade de Limeira (SP) por SR-TXRF. 229 Síntese e investigação da remoção de ligantes de um nanocatalisador de Ni para uso em reações de reforma.
Photoemission Spectroscopy on complex systems: from surface to bulk sensitivity
The results of the first year of the I24 beamline will be presented, along with future plans and requirements. The biosynthesis of the 21st amino acid, selenocysteine (Sec or U), requires a complex enzymatic machinery consisting of Selenocysteine Synthase (SELA), Selenocysteine Elongation Factor (SELB or EFSec), Selenophosphate Synthetase (SELD) and a specific tRNAsec (SELC). ).
THE CRYSTAL STRUCTURES OF HUMAN
TRANSTYRETIN (TTR) BINDING FLAVONOIDS
Accuracy of classical methodologies for determining the molecular weight of proteins in dilute solution was recently evaluated by Mylonas and Svergun [1]. A new procedure for determining the molecular weight of proteins in dilute solution from a single SAXS curve measured on a relative scale is available through experimental data from a single small-angle X-ray scattering (SAXS) curve measured on a relative scale to use. .
FUNCTIONAL AND STRUCTURAL INSIGHTS INTO THE ROLE of FEZ FAMILY PROTEINS IN AXONAL
Human proteins FEZ1 (fasciculation and elongation protein 1) and FEZ2 are orthologs of the UNC-76 protein from C. SAXS can efficiently reveal the spatial conformation, organization of protein domains, including disordered and unknown parts of the molecule, and allows the study of conformational changes.
OLIGOMERIZATION STATES OF LEUCYL AMINOPEPTIDASE FROM Leptospira interrogans
Self-association of the chymotrypsin inhibitor from Schizolobium parahyba seeds and its binary complex with alpha-chymotrypsin. Furthermore, numerous members of the ADAM family have been associated with tumorigenesis and tumor progression. The nona-peptide BPP9a (Pyr-Trp-Pro-Arg-Pro-Gln-Ile-Pro-Pro-OH) forms an inclusion complex with β-cyclodextrin with the inclusion of the Tryptophan residue in the cavity of β-cyclodextrin molecule.
In this work, we expressed, purified, and preliminarily characterized the Pbp protein.
SAXS IN STRUCTURAL STUDIES ON SECRETION CHAPERONES FROM Xanthomonas axonopodis pv. citri
Xanthomonas axonopodispv.citri(Xac) is a Gram-negative bacterium that causes citron canker, one of the most serious diseases of world citrus. In order to investigate the structural aspects of the cTPxIII-TrxI interaction, we expressed cTPxIII and the TrxIC33S mutant. It is thought that these reduced sulfur compounds can affect Earth's climate by changing the radiation budget.
Double ionization of the molecule is clearly demonstrated by the observation of the S+2 fragment ion (m/z 16).
ELECTRONIC PROPERTIES OF THE COORDINATION COMPOUNDS OF THE LIGANDS DMIT, DMIO AND
STUDY OF THE OXIDATION STATE BY COMPARATIVE ANALYSIS OF RESONANT
Ray Fluorescence with Synchrotron Radiation to Elemental Analysis of Lead and Calcium Content of
Parents or guardians were required to sign informed consent prior to the inclusion of the child in the study. However, in the case of bone quality, bone architecture density alone does not predict fracture risk. The aim of this research was to evaluate the distribution of Ca, Zn and Sr in the area of the lumbar vertebrae according to the age of the animals.
Like calcium, strontium has a high affinity for bone, where it is adsorbed to the bone surface and incorporated into the matrix.
DETERMINATION OF MULTIELEMENTS IN SERUN SAMPLES FROM PATIENTS WITH SICKLE CELL
Since it has been established that these levels in human serum can be used as indicators of several pathological conditions, the simultaneous detection of certain elements in serum provides a very interesting approach to the diagnosis and treatment of various diseases. Instead of being flexible and disc-shaped, these cells are more rigid and curved in the shape of the old farming tool known as a sickle (which is where the disease gets its name). All serum samples had been collected from people living in the urban area of Rio de Janeiro City/Brazil.
The t-test (α= 0.05) was used to verify differences in elemental concentrations between the patient group (SCA) and the control group (CG).
TXRF ANALYSIS OF LOW Z ELEMENTS IN SERUM OF PATIENTES WITH IDIOPATHIC
THROMBOCYTOPENIC PURPURA BY SYNCHROTRON RADIATION
Prostate cancer (PCa) is one of the leading causes of disease and death worldwide. SRTXRF analyzes were performed at the X-ray fluorescence beamline at the Brazilian National Laboratory for Synchrotron Light (LNLS). It was possible to determine the concentrations of the following elements: P, S, K, Ca, Fe, Cu, Zn, Br and Rb.
Acknowledgments: This work was partially developed at the Brazilian National Synchrotron Light Laboratory (projects XRF 5959 and XRF 6736) and had financial support from CNPq and CAPES.
DETERMINATION OF LOW Z ELEMENTS IN SERUM OF PATIENTS WITH LEUKEMIAS BY SYNCHROTRON
Aplicação de fluorescência de raios X com radiação síncrotron e ferramentas quimiométricas em análises químicas de amostras de solo da Antártica marítima. Após a trituração, as amostras foram prensadas em comprimidos finos, que foram utilizados na análise de fluorescência de raios X por radiação síncrotron (SR-XRF). Os sinais obtidos por SR-XRF foram processados com duas ferramentas quimiométricas: PCA (análise de componentes principais) e PARAFAC (análise fatorial paralela).Usando PCA, pode-se observar uma clara diferença entre as amostras de solo de acordo com o local de coleta.
Amostras de solo coletadas próximas aos reservatórios de petróleo da EACF foram caracterizadas pela presença de Cr, enquanto amostras distantes da estação foram caracterizadas pela presença de Fe, V e Cu.
TERMINALIA CATAPPA AS BIOINDICATOR OF
ENVIRONMENTAL POLLUTION IN CUBAT ˜ AO CITY BY SR-TXRF
EVALUATION OF HEAVY METALS IN ATMOSPHERIC EMISSIONS FROM AUTOMOTIVE INDUSTRY BY
Coffee is one of the most important crops in Brazil, responsible for approximately 25% of the world's production of this commodity. Therefore, a lot of effort has been continuously made to improve the efficiency of the Brazilian coffee production sector, especially by solving the phytosanitary problems caused by nematodes such as Meloidogyne exigua Goeldi. A sterile mixture of sand, soil and cow manure was sown with seeds of coffee plants sensitive and resistant to M.
Analyzes of NMR data using the Chenomx Suit 6.0 software resulted in the identification and quantification of ten substances: L-alanine, 4-aminobutyric acid, chlorogenic acid, choline, formic acid, fumaric acid, D-glucose, quinic acid, D-sucrose and trigonelline.
MONITORING AND EVALUATION OF DUCT
EMISSION AND STATIONARY SOURCES OF CERAMIC INDUSTRIES BY SR-TXRF
Quantificação de metais pesados presentes em partículas na cidade de Limeira (SP) por SR-TXRF. A preocupação de políticos, cientistas e da sociedade em geral com a qualidade do ar tem crescido nos últimos anos. Dentre os poluentes ambientais, o material particulado é um dos mais significativos e preocupantes devido à sua emissão por diversas fontes e à heterogeneidade de sua composição.
Para preparar as amostras, os filtros contendo partículas foram submetidos a um processo de remoção de ácido e posteriormente analisados por SR-TXRF.
ANALYSIS OF SYNCHROTRON X-RAY DIFFRACTION PATTERNS FROM FLUOROTIC ENAMEL SAMPLES
SMALL-ANGLE X-RAY SCATTERING STUDIES IN STERIC STABILIZED pH RESPONSIVE POLYSTYRENE
This is related to the influence of the polymer shells on the stiffness of the membrane. The Z-potential is related to the surface charge of the particles, caused by the different types of cover. A crystallite size of 113 nm (at room temperature) was deduced from the Bragg peak linewidth.
Also, the thermal evolution of the peak position shows that the interplanar distance decreases slightly from 5.65 nm at 22 C down to 5.60 nm just before the line disappears.
DEVELOPMENT AND IN VITRO EVALUATION OF SURFACTANT SYSTEMS FOR CONTROLLED
RELEASE OF ZIDOVUDINE
SURFACTANT SYSTEMS FOR NASAL AZT DELIVERY
STRUCTURAL, RHEOLOGICAL AND MUCOADHESIVE PROPERTIES
Mesoporous silica is a material with walls made of silica and pores in the size range 2-50 nm. Approximations in the model enable a factorization of the scattering intensity into contributions from the shape factor and the structure factor, which means that these two contributions can be modeled separately. For a correct description of the diffraction peaks, corrections for the instrumental smearing of the peaks were included in the program routine using resolution functions.
As will be shown, analysis of the data shows that at the beginning of the synthesis there were only small changes over time and no meso-ordering was observed.
MORPHOLOGICAL STUDY OF
PP/EPDM/ORGANOCLAY NANOCOMPOSITE DEFORMED BY UNIAXIAL COMPRESSION
Isto sample que a methodology developed 'eficiente uma vez que possibilitou a fabrica¸c˜ao de um prot´otipo de micro-sensor de press˜ao piezoresistivo de SiC com bom performance. In this work, nanostructured mullite (3Al2O3.2SiO2) was prepared by a sol-gel process coupled with a surfactant self-assembly approach. A systematic study of the influence of sol-gel precursors and reaction products on the liquid crystal structure was carried out by SAXS in the D11A-SAXS1 beam, using an irradiation wavelength λ= 1.488.
Estudo do processo de redução de íons Eu durante a síntese via proteína-sol-gel de aluminatos de Sr e Ca.
INVESTIGATION OF NANOSTRUCTURE AND PROPERTIES OF SOL-GEL DERIVED ZIRCONIUM
For the 2.25Cr−1Mo steel, even after 100 hours of treatment, the presence of molybdenum-rich carbide M23C6 was observed. The glass transition temperature of the nanocomposites was evaluated by differential scanning calorimetry (DSC) and the thermal stability was investigated by thermogravimetric studies (TGA). As expected, the presence of clay increased the glass transition temperature in all systems studied.
The aim of this work is to develop catalysts for the hydrogenolysis of glycerol for the production of EG as part of the LNLS industrial collaboration.
XRD STUDIES OF ENGINEERING MATERIALS USING THERMOMECHANICAL SIMULATOR
The microstructure of the stirring zone (SZ) presented F, M-A constituent and degenerate upper bainite (DUB). This work presents the status of the high-energy resolving system currently being deployed in the XRF beamline of the LNLS. The module was tested many times with a conventional X-ray tube and then mounted in the beamline to be used as a routine experiment of the line.
The results indicate an obvious significant improvement in the energy resolution of the high resolution system compared to a conventional energy dispersive system.
IPEN-CNEN/SP
THE ZINC DISTRIBUTION IN PROSTATE TISSUES BY µSRXRF
The main symptoms of citrus greening are yellowing of the leaves and the production of small and misshapen fruits. The information obtained with the help of. XAFS2 was planned with a view to maximizing the photon flux incident on the sample position. The higher signal-to-noise ratio allows EXAFS scans up to higher wavenumbers, improving the spatial resolution of the technique.
These measurements made it possible to calculate the radius of gyration (Rg), evaluated in real space using the pair distribution function, P(r).
