Results 131 to 140 of about 306,090 (270)
Validation of a model of regulation in the tryptophan operon against multiple experiment data using global optimisation [PDF]
, 2009 This paper is concerned with validating a mathematical model of regulation in the tryptophan operon using global optimization. Although a number of models for this biochemical network are proposed, in many cases only qualitative agreement between the ...
Bates, D.G. +4 more
core
Evolution of substrate specificity in a recipient's enzyme following horizontal gene transfer [PDF]
, 2013 Despite the prominent role of horizontal gene transfer (HGT) in shaping bacterial metabolism, little is known about the impact of HGT on the evolution of enzyme function.
Abascal +54 more
core +1 more source
Frontiers in Immunology, 2019 Crohn's disease (CD) and Ulcerative colitis (UC) are grouped as Inflammatory Bowel Diseases (IBD). The IBD is associated to a multifaceted interplay between immunologic, microbial, genetic, and environmental factors.
Edda Russo +6 more
doaj +1 more source
Kynurenine acid - metabolism and regulation of kynurenine pathway
Journal of Education, Health and Sport, 2017 Kynurenic acid (KYNA) was first isolated from the dog's urine in 1853 by german chemist Justus von Liebig. KYNA probably plays an important role in the pathogenesis of many neurodegenerative and psychiatric diseases. Its elevated concentration were found
Piotr Kozłowski, Magdalena Kozlowska
doaj
Optical biopsy identification and grading of gliomas using label-free visible resonance Raman spectroscopy. [PDF]
, 2019 Glioma is one of the most refractory types of brain tumor. Accurate tumor boundary identification and complete resection of the tumor are essential for glioma removal during brain surgery.
Alfano, Robert R +12 more
core +1 more source
HeliyonBackground: Tryptophan is an essential amino acid with anti-inflammatory and immunomodulatory effects. However, the absorption of amino acids including tryptophan is relatively slower than the absorption of dipeptides. Therefore, we have two aims in this
Jae B. Park, Renee Peters
doaj
Superparamagnetism of tryptophan and walk memory of proteins [PDF]
arXiv, 2015 Superparamagnetism of tryptophan implying the presence of magnetic domain is reported. The observation helps us to conceive assembly of proteins as a physical lattice gas with multidimensional Ising character, each lattice points assuming discrete spin states. When magnetic field is applied the equilibrium is lost and the population density of one spin
arxiv
The Need for Supplemental Tryptophan in Semi-Purified Diet for Chicks [PDF]
, 1954 D.A. Benton, A.E. Harper, C.A. Elvehjem
openalex +1 more source
Investigating resonance energy transfer from protein molecules to van der Waals nanosheets [PDF]
arXiv, 2016 The resonance energy transfer (RET) from tryptophan present in bovine serum albumin (BSA) to two dimensional (2D) nanomaterials has been reported. In these bio-nano systems, BSA molecules act as efficient donors while 2D van der Waals nanosheets of graphene, molybdenum disulfide (Mo$S_2$) and tungsten disulfide (W$S_2$) act as acceptors.
arxiv
International Journal of Tryptophan Research, 2019 The kynurenine pathway is important in cellular energy generation and limiting cellular ageing as it degrades about 90% of dietary tryptophan into the essential co-factor NAD+ (nicotinamide adenine dinucleotide).
M. Dehhaghi +2 more
semanticscholar +1 more source