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Stark Effect Spectroscopy of Tryptophan
Biophysical Phenomena Biophysics Electrochemistry Fluorescence Polarization Melitten Models,Chemical Photochemistry Solvents Spectrometry, Fluorescence Spectrophotometry Tryptophan Tryptophan
2016/5/23
The change in permanent dipole moment (magnitude of delta mu) for the transition from the 1La state to the ground state of tryptophan is the key photophysical parameter for the interpretation of trypt...
Laser Chemically Induced Dynamic Nuclear Polarization Study of the Reaction between Photoexcited Flavins and Tryptophan Derivatives at 360 MHz
Laser Chemically Induced Dynamic Nuclear Polarization Study Photoexcited Flavins Tryptophan Derivatives 360 MHz
2016/5/20
Chemically induced dynamic nuclear polarization (CIDNP) is generated when tryptophan (Trp), its derivatives,or Trp-containing peptides react with photoexcited flavins in a 360-MHz NMR spectrometer. In...
Estimation of the optimal ratio of standardized ileal digestible tryptophan to lysine for finishing barrows fed low protein diets supplemented with crystalline amino acids
tryptophan requirement pig performance
2015/7/3
Optimum standardized ileal digestible (SID) tryptophan (Trp) to lysine (Lys) ratio was estimated for 67–96 kg barrows fed low protein diets supplemented with crystalline amino acids (AA). One hundred ...
Effects of L-tryptophan, Fructan, and Casein on Reducing Ammonia, Hydrogen Sulfide, and Skatole in Fermented Swine Manure
Swine Manure L-tryptophan Fructan Casein Ammonia H2S Skatole B. subtilis
2016/5/18
The effects of daily dietary Bacillus subtilis (Bs), and adding L-tryptophan, fructan, or casein to fecal fermentation broths were investigated as means to reduce the production of noxious gas during ...
Physical Weight Loading Induces Expression of Tryptophan Hydroxylase 2 in the Brain Stem
mechanical loading serotonin
2014/11/6
Sustaining brain serotonin is essential in mental health. Physical activities can attenuate mental problems by enhancing serotonin signaling. However, such activity is not always possible in disabled ...
Voltammetric determination of ascorbic acid in the presence of acetaminophen and tryptophan using an improved carbon nanotube paste electrode（图）
Ascorbic acid Acetaminophen Tryptophan Carbon nanotube paste electrode Electrocatalysis
2013/9/26
A carbon paste electrode (CPE) modified with carbon nanotubes and 5-amino-3',4'-dimethyl- biphenyl-2-ol (5ADB) is prepared. Under the optimum pH of 7.0, the oxidation of ascorbic acid (AA) on the modi...
Nicotinic α7 acetylcholine receptor-mediated currents are not modulated by the tryptophan metabolite kynurenic acid in adult hippocampal interneurons
Nicotinic α7 acetylcholine tryptophan metabolite kynurenic acid adult hippocampal interneurons Neurons and Cognition
2012/4/28
The tryptophan metabolite, kynurenic acid (KYNA), is classically known to be an antagonist of ionotropic glutamate receptors. Within the last decade several reports have been published suggesting that...
Growth Responses of Broiler Chicks to Different Levels of Threonine and Tryptophan in Chemically-Defined Diets
broiler chick ideal protein threonine tryptophan
2009/7/30
In Experiment 1 three semi-purified diets were formulated using isolated soy protein and crystalline amino acids (AA) to contain three profiles of essential amino acids (EAA) based on NRC (1994; Diet ...
Centrally Administered Tryptophan Suppresses Food Intake in Free Fed Chicks through the Serotonergic System
central nervous system chick food intake tryptophan serotonin
2009/7/30
The effects of intracerebroventricular injection of L-tryptophan on feeding behavior and the levels of brain neurotransmitters (amino acids or monoamines) were investigated in ad libitum chicks. The ...
Spectrophotometric Method for Determination of Tryptophan in Protein Hydrolysates
protein hydrolysates tryptophan spectrophotometry diphenylamine
2009/2/26
A novel spectrophotometric method for determination of tryptophan content in protein hydrolysates has been developed. The reagent used is diphenylamine sulphonate which is oxidised to diphenylbenzidin...
以酶法合成γ-D-glutamyl-L-tryptophan (γ-D-Glu-L-Trp)为研究体系，采用D-谷氨酰胺为γ-谷氨酰基供体，L-色氨酸为受体，测定得到了转肽反应的米氏常数（K m）为5.11 mmol·L-1，催化常数（Kcat）为3.92 mmol·min-1，γ-D-Glu-L-Trp的水解反应米氏常数（K′m）为2.31 mmol·L-1，催化常数（K′cat）为1...
Nonproteic Contents Interfere with the Analysis of Added Tryptophan in Feeds � Test of a Correction Model
Free nonproteic Tryptophan amino acid analysis supplementation
2009/1/14
The nonproteic, free tryptophan contents in 23 important feed ingredients were analysed. Wheat, its bran and middlings, soybean meal, sunflower meal and other vegetable feed ingredients contain signif...
Site-Directed Mutagenesis of Tryptophan 622 of Thermoactinomyces vulgaris R-47 Glucoamylase:pH Optima and Activities of Five Mutants
glucoamylase optimal pH catalytic base
2008/4/20
In Aspergillus awamori glucoamylase, the optimal pH has been reported to increase to maintain activity by a mutation of Ser411 which forms a hydrogen-bond with a catalytic base (Fang and Ford, Protein...
Tryptophan Catabolism by Lactobacillus caseiand Lactobacillus helveticus Cheese Flavor Adjuncts
Lactobacillus amino acid catabolism tryptophan cheese flavor
2008/3/31
Microbial degradation of Trp is thought to promote the formation of aromatic compounds that impart putrid, fecal, or unclean flavors in cheese, but pathways for their production have not been establis...
专著信息
书名
The electrochemical behavior of Tryptophan and its derivatives at a glassy carbon electrode modified with Hemin
语种
英文
撰写或编译
作者
Guonan Chen,Xiu Li Wang
第一作者单位
出版社
Analytica Chimica Acta,452,245...