Tryptophan Trp
Mostrando 1-12 de 427 artigos, teses e dissertações.
-
1. PHYSIOLOGICAL CHARACTERIZATION OF DIAZOTROPHIC BACTERIA ISOLATED FROM Brachiaria brizantha RHIZOSPHERE
RESUMO O objetivo do estudo foi analisar a capacidade das bactérias diazotróficas, isoladas da rizosfera de Brachiaria brizantha, crescer em meios com diferentes valores de pH e concentrações salinas, de produzir ácido 3-indol acético (AIA) e solubilizar fosfato. Os testes de acidez e salinidade foram realizados em meio FAM sólido. Para acidez foram u
Rev. Caatinga. Publicado em: 21/10/2019
-
2. Galium spurium and G. aparine Resistance to ALS-Inhibiting Herbicides in Northern Greece
RESUMO: O conhecimento do nível de resistência das populações de plantas daninhas e dos herbicidas aos quais eles sobrevivem é importante para recomendar conselhos adequados aos agricultores e permitir a seleção de estratégias de gestão apropriadas. Experimentos de resposta de plantas inteiras foram realizados para estudar os níveis de resistência
Planta daninha. Publicado em: 17/10/2019
-
3. Effect of Hydrostatic Pressure on the Fluorescence of Tryptophan in the Presence of Metal Ions Running title: Effect of pressure on the tryptophan
ABSTRACT The effect of pressure on the fluorescence of tryptophan in the presence of metal ions was studied by fluorescence spectrometry. It was found that at 60 MPa, the fluorescence intensity of M/Trp mixtures (M represented metal ions) increased compared to that at atmosphere pressure. The relative fluorescence efficiency of M/Trp mixtures increased with
Braz. arch. biol. technol.. Publicado em: 29/11/2018
-
4. The long and successful journey of electrochemically active amino acids. From fundamental adsorption studies to potential surface engineering tools.
ABSTRACT Proteins have been the subject of electrochemical studies. It is possible to apply electrochemical techniques to obtain information about their structure due to the presence of five electroactive amino acids that can be oriented to the outside of the peptidic chain. These amino acids are L-Tryptophan (L-Trp), L-Tyrosine (L-Tyr), L-Histidine (L-His),
An. Acad. Bras. Ciênc.. Publicado em: 11/01/2018
-
5. A Study of the Interaction Between trans-Dehydrocrotonin, a Bioactive Natural 19-nor-Clerodane, and Serum Albumin
The interaction between 19-nor-clerodane trans-dehydrocrotonin (from Croton cajucara Benth.) and bovine serum albumin was studied, applying spectroscopic techniques (fluorescence and circular dichroism), combined with molecular modeling. Fluorescence quenching of albumin by the nor-clerodane (kq ca. 1011 mol L-1 s-1 and Stern-Volmer, KSV, increase with tempe
J. Braz. Chem. Soc.. Publicado em: 2016-10
-
6. Developing a sensor for the simultaneous determination of dopamine, acetaminophen and tryptophan in pharmaceutical samples using a multi-walled carbon nanotube and oxadiazole modified glassy carbon electrode
O presente estudo descreve as características eletroquímicas de um derivado de oxadiazol eletrodepositado sobre um eletrodo de carbono vítreo modificado por nanotubos de carbono de paredes múltiplas (OMWCNT-GCE) e seu papel como sensor eletroquímico altamente sensível para oxidação eletrocatalítica de dopamina (DA). A constante da taxa de transferê
J. Braz. Chem. Soc.. Publicado em: 2013-11
-
7. Modulation of murine blastocyst hatching in vitro by glutamine and tryptophan
Enrichment of culture media with amino acids improves embryo development. However, little is known about the specific action of each amino acid during embryogenesis. The present study was undertaken to examine the effect of L-glutamine (Gln) and tryptophan (Trp) on mouse embryo hatching, expansion and viability in vitro. Blastocysts were collected from 6- to
Brazilian Journal of Medical and Biological Research. Publicado em: 2011-08
-
8. Concentração de triptofano e variáveis cinemáticas a diferentes percentuais da velocidade crítica no nado crawl
The aim of this study was to investigate the changes in plasma tryptophan concentration ([TRP]) and kinematic variables in a series of interval training in different percentages of the critical speed (CS) in front crawl. Volunteers were 14 competitive male swimmers with at least four years experience in this style and swimming 48 ± 11 km per week. The subje
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2011
-
9. Metabolismo de triptofano na vigência de choque endotóxico induzido por LPS e hipertriptofanemia / Metabolism of tryptophan in the presence of LPS-induced endotoxic shock and hypertryptofanemia
Triptofano (TRP), um amino ácido essencial, é metabolizado por duas vias principais, a via das quinureninas e a via serotonérgica. Em ambas as vias há a possibilidade de formação de compostos ativos no sistema imune que se caracterizam pelas ações imunossupressoras e indutoras de tolerância. Na via serotonérgica há a formação de serotonina (5-HT
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 15/12/2010
-
10. Separation of l-tryptophan present in an aromatic amino acids mixture in a four-column simulated moving bed: experimental and simulation studies
An experimental and theoretical study is presented for the fractionation of L-Tryptophan (Trp) from L-phenylalanine (Phe) and L-tyrosine (Tyr). A Simulated-Moving Bed (SMB) with four-column system was tested, and the results are presented as effluent histories of the raffinate and extract ports. L-phenylalanine and L-tyrosine were recovered as major products
Brazilian Journal of Chemical Engineering. Publicado em: 2009-09
-
11. Efeitos agudos do exercício cardiovascular sobre os níveis serotoninérgicos e perfil antropométrico e psicométrico de idosas ativas
Purposes: 1) Identify volunteers anthropometric (AS) and psychometric (PS) status and, 2) verify the dose-response effects of cardiovascular physical exercise of different intensities and duration, on the peripheral alterations of the serotoninergic system, through serotonin (5-HT) and tryptophan (TRP) concentrations and the possible central alterations, thr
Publicado em: 2008
-
12. Ingestão de carboidratos e proteína em cápsulas durante o exercício no calor: efeitos sobre o desempenho físico de atletas no estado alimentado
It has been suggested that exercise performance in the heat might be limited by central mechanisms. One of the proposed mechanisms associates increased central serotonergic activity to the onset of fatigue. Different nutritional strategies have been used in an attempt to decrease central serotonergic activity thus improving performance. The purpose of the pr
Publicado em: 2008