Results 51 to 60 of about 7,986,817 (400)

Analysis of Main Tea Characteristic Components and Volatile Components and Amino Acid Nutrition Evaluation of Insect Tea from Three Producing Areas in Guangxi

open access: yesShipin gongye ke-ji, 2022
The main tea characteristic components, volatile components and amino acid composition of insect tea from three main producing areas in Guangxi were analyzed in this paper, and the amino acid characteristics and nutritional value were evaluated by amino ...
Lixiang WEN   +7 more
doaj   +1 more source

SIFT web server: predicting effects of amino acid substitutions on proteins

open access: yesNucleic Acids Res., 2012
The Sorting Intolerant from Tolerant (SIFT) algorithm predicts the effect of coding variants on protein function. It was first introduced in 2001, with a corresponding website that provides users with predictions on their variants.
Ngak-Leng Sim   +5 more
semanticscholar   +1 more source

Research Progress of Amino Acid Metabolism PET Imaging in Tumor

open access: yesJournal of Isotopes, 2015
Amino acid metabolism PET imaging plays a very important role in metabolism molecular imaging. Amino acid PET tracers include [1-11C]amino acid, labeling α-C amino acid, labeling side-chain amino acid, and N-substituted labeling amino acid.
NIE Da-hong, TANG Gang-hua2
doaj   +1 more source

A search for mid-IR bands of amino acids in the Perseus Molecular Cloud [PDF]

open access: yesarXiv, 2021
Amino acids are building-blocks of proteins, basic constituents of all organisms and essential to life on Earth. They are present in carbonaceous chondrite meteorites and comets, but their origin is still unknown. Formation of amino acids in the interstellar medium is posible via specific gas-phase reactions in dark clouds, however sensitive ...
arxiv  

Physiology of the Amino Acids [PDF]

open access: yesScience, 1942
We have followed the amino acids from their entrance into the alimentary tract in the form of food proteins through the successive steps of digestion, absorption into the blood stream and passage from the blood stream into the tissues, where they are concentrated by some unknown mechanism to many times their concentration in the blood plasma.
openaire   +3 more sources

Bayes empirical bayes inference of amino acid sites under positive selection.

open access: yesMolecular biology and evolution, 2005
Codon-based substitution models have been widely used to identify amino acid sites under positive selection in comparative analysis of protein-coding DNA sequences.
Ziheng Yang   +2 more
semanticscholar   +1 more source

An Evaluation of the Arginine Requirements of Broiler Chickens and the Potential Arginine and Energy-Saving Effects of Guanidinoacetic Acid

open access: yesAnimals
Two 35-day trials were conducted to determine the arginine (Arg) requirement of broiler chickens and the Arg and energy-sparing effects of guanidinoacetic acid (GAA). In experiment 1, a low-Arg diet (basal diet) was supplemented with increasing levels (0.
Adriaan Verhelle, Behnam Saremi
doaj   +1 more source

Regulation of macrocycle shuttling in [2]rotaxanes by amino-acid speed bumps in organic-aqueous solvent mixtures [PDF]

open access: yesEur. J. Org. Chem. 2020, 5820-5827, 2020
A homologous series of two-station [2]rotaxanes incorporating amino-acid units in the molecular thread has been developed. The degenerate [2]rotaxanes exhibit amino-acid specific shuttling rates between two fumaric stations related to the steric factor associated to the amino-acid side chain, as demonstrated by variable-temperature 1H NMR spectroscopy ...
arxiv   +1 more source

Improvement in the nutritive quality of soyabean meal by co-ensiling with under-utilized fish discards [PDF]

open access: yes, 1993
Improvement in the nutritive value of soybean meal was investigated by Co-ensiling it with underutilized trash fish discards (gizzard shad)at different proportions.
Balogun, A., Dabrowki, K.
core  

Amino acid neurotransmitters in the CNS

open access: yesFEBS Letters, 1986
D‐Aspartate exchange, defined as amino acid‐stimulated D‐[3H]aspartate efflux, was investigated in a preparation of rat brain synaptosomes. The efflux of radiolabelled D‐aspartate was found to be enhanced by micromolar concentrations of externally added D‐ and L‐aspartate, L‐glutamate, L‐cysteate.and L‐cysteinesulphinate.
Maria Erecińska, Melody B. Troeger
openaire   +3 more sources

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