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Showing 13 to 24 of 628 entries
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Testing the influence of a sand mica mixture on basin fill in extension and inversion experiments.

Anais da Academia Brasileira de Ciencias

Gomes CJ, D'Angelo T, Almeida GM.
PMID: 25673472
An Acad Bras Cienc. 2015 Mar;87(1):51-62. doi: 10.1590/0001-3765201520130150. Epub 2015 Feb 10.

We compare the deformation patterns produced by sand and a sand mica mixture (14:1 ratio of sand to mica by weight) while simulating basin fill in extension and inversion models to analyze the potential of the sand mica mixture...

Norbixin ingestion did not induce any detectable DNA breakage in liver and kidney but caused a considerable impairment in plasma glucose levels of rats and mice.

The Journal of nutritional biochemistry

Fernandes AC, Almeida CA, Albano F, Laranja GA, Felzenszwalb I, Lage CL, de Sa CC, Moura AS, Kovary K.
PMID: 12121828
J Nutr Biochem. 2002 Jul;13(7):411-420. doi: 10.1016/s0955-2863(02)00177-8.

From the seeds of Bixa orellana are extracted the carotenoids bixin and norbixin that have been widely used for coloring food. In this study, the toxicity of norbixin, purified or not (annatto extract containing 50% norbixin), was investigated in...

Comparison of TW2 and TW3 skeletal age differences in a Brazilian population.

Journal of applied oral science : revista FOB

Ortega AI, Haiter-Neto F, Ambrosano GM, Bóscolo FN, Almeida SM, Casanova MS.
PMID: 19089046
J Appl Oral Sci. 2006 Apr;14(2):142-6. doi: 10.1590/s1678-77572006000200014.

OBJECTIVE: The aim of this study was to determine the differences between the skeletal ages estimated by TW2 and TW3 methods through their RUS and Carpal systems.MATERIAL AND METHODS: A sample of two hundred and forty hand and wrist...

The effect of the anticancer drugs tamoxifen and hydroxytamoxifen on the calcium pump of isolated sarcoplasmic reticulum vesicles.

Toxicology in vitro : an international journal published in association with BIBRA

Custódio JB, Almeida LM, Madeira VM.
PMID: 20650233
Toxicol In Vitro. 1996 Oct;10(5):523-31. doi: 10.1016/s0887-2333(96)00040-9.

The interactions of tamoxifen (TAM) and its active metabolite 4-hydroxytamoxifen (OHTAM) with the sarcoplasmic reticulum (SR) Ca(2+)-pump were investigated. The turnover of the Ca(2+)-ATPase is strongly inhibited by both drugs at low concentrations that do not significantly perturb the...

Order versus disorder in chiral tetrathiafulvalene-oxazoline radical-cation salts: structural and theoretical investigations and physical properties.

Chemistry (Weinheim an der Bergstrasse, Germany)

Madalan AM, Réthoré C, Fourmigué M, Canadell E, Lopes EB, Almeida M, Auban-Senzier P, Avarvari N.
PMID: 19902437
Chemistry. 2010 Jan 11;16(2):528-37. doi: 10.1002/chem.200901980.

Electrocrystallization experiments with the chiral ethylenedithio-tetrathiafulvalene-methyl-oxazoline (EDT-TTF-OX) donors (R)-, (S)-, and (rac)-1 have provided two series of mixed-valence salts with the PF(6) (-) and [Au(CN)(2)](-) anions. Within each series the cell parameters are the same for the three R,...

Nonstandard Work Schedules, Perceived Family Well-Being, and Daily Stressors.

Journal of marriage and the family

Davis KD, Goodman WB, Pirretti AE, Almeida DM.
PMID: 19194531
J Marriage Fam. 2008 Nov;70(4):991-1003. doi: 10.1111/j.1741-3737.2008.00541.x.

Data from two studies assessed the effects of nonstandard work schedules on perceived family well-being and daily stressors. Study 1, using a sample of employed, married adults aged 25 - 74 (n = 1,166) from the National Survey of...

Hybrid Training Method for MLP: Optimization of Architecture and Training.

IEEE transactions on systems, man, and cybernetics. Part B, Cybernetics : a publication of the IEEE Systems, Man, and Cybernetics Society

Zanchettin C, Ludermir TB, Almeida LM.
PMID: 21317085
IEEE Trans Syst Man Cybern B Cybern. 2011 Aug;41(4):1097-109. doi: 10.1109/TSMCB.2011.2107035. Epub 2011 Feb 10.

The performance of an artificial neural network (ANN) depends upon the selection of proper connection weights, network architecture, and cost function during network training. This paper presents a hybrid approach (GaTSa) to optimize the performance of the ANN in...

Production of fructooligosaccharides from sucrose by a transfructosylase from Aspergillus niger.

World journal of microbiology & biotechnology

Park YK, Almeida MM.
PMID: 24425020
World J Microbiol Biotechnol. 1991 May;7(3):331-4. doi: 10.1007/BF00329399.

A strain of Aspergillus niger isolated from sugarcane fields, produced an extracellular transfructosylase in the culture medium. Sucrose and raffinose induced the production to the enzyme, which was purified by 138-fold. The optimum pH for activity and stability were...

Electrical transport properties of CuS single crystals.

Journal of physics. Condensed matter : an Institute of Physics journal

Casaca A, Lopes EB, Gonçalves AP, Almeida M.
PMID: 22133599
J Phys Condens Matter. 2012 Jan 11;24(1):015701. doi: 10.1088/0953-8984/24/1/015701. Epub 2011 Dec 02.

Electrical resistivity, transverse magnetoresistance and thermoelectric power measurements were performed on CuS high quality single crystals in the range 1.2-300 K and under fields of up to 16 T. The zero field resistivity data are well described below 55...

Fatty acid composition of total lipids, neutral lipids and phospholipids in wild and farmed matrinxã (Brycon cephalus) in the Brazilian Amazon area.

Journal of the science of food and agriculture

Almeida NM, Franco MR.
PMID: 20836167
J Sci Food Agric. 2007 Nov;87(14):2596-603. doi: 10.1002/jsfa.3014.

BACKGROUND: The chemical composition of Amazonian fish is extremely variable, being influenced by the season and the type and amount of food. A special interest in the fish oil composition has been developed owing to the presence of essential...

Inhibition Mechanisms of Mitochondrial Permeability Transition by 4-Hydroxytamoxifen: Protection of NAD(P)H and Thiol Group Oxidation.

Toxicology mechanisms and methods

Cardoso CM, Almeida LM, Custódio JB.
PMID: 20021070
Toxicol Mech Methods. 2005;15(2):101-13. doi: 10.1080/15376520590918793.

Abstract The effects of 4-hydroxytamoxifen (OHTAM) on the mitochondrial permeability transition (MPT) induced by Ca(2+) plus peroxynitrite (ONOO(-)) or phenylarsine oxide (PhAsO) were studied to clarify its mechanisms of MPT inhibition. Ca(2+) plus ONOO(-) induced mitochondrial swelling, membrane potential...

A case series of gastrointestinal tuberculosis in renal transplant patients.

Case reports in nephrology

Azevedo P, Freitas C, Silva H, Aguiar P, Farrajota P, Almeida M, Pedroso S, Martins LS, Dias L, Vizcaíno JR, Castro Henriques A, Cabrita A.
PMID: 24558621
Case Rep Nephrol. 2013;2013:213273. doi: 10.1155/2013/213273. Epub 2013 Feb 24.

Tuberculosis is a disease relatively frequent in renal transplant patients, presenting a wide variety of clinical manifestations, often involving various organs and potentially fatal. Gastrointestinal tuberculosis, although rare in the general population, is about 50 times more frequent in...

Showing 13 to 24 of 628 entries