نتایج جستجو برای: n phenylthiourea

تعداد نتایج: 976631  

2012
Julia A. Emerson

This paper introduces a lab project developed for the Summer Teachers’ Workshop in Genomics at Amherst College, and is easily tailored to the weekly format of undergraduate laboratory courses in genetics, genomics, molecular biology, or evolution. The project examines single nucleotide polymorphisms associated with human taste sensitivity to the bitter compound phenylthiocarbamide (PTC). Human ...

Journal: :bulletin of the iranian mathematical society 2011
e. m. e. zayed m. a. el-moneam

Journal: :Acta Crystallographica Section E Structure Reports Online 2012

Journal: :Scandinavian journal of clinical and laboratory investigation 2011
Nela Gorovic Shoaib Afzal Anne Tjønneland Kim Overvad Ulla Vogel Christina Albrechtsen Henrik E Poulsen

The human TAS2R38 receptor is believed to be partly responsible for the ability to taste phenylthiocarbamide (PTC), a bitter compound very similar to the bitter glucosinolates found in brassica vegetables. These vegetables and their active compounds have chemo-protective properties. This study investigated the relationship between genetic variation in the hTAS2R38 receptor and the actual consum...

2006
David H. Kern Robert H. Shoemaker Susanne U. Hildebrand-Zanki John S. Driscoll

The cytotoxic activities of three new synthetic catechol analogues, /H(p-hydroxyphenyl)amino|alanine (Compound 1), W-^-hydroxyphenyl)ornithine (Compound 2), and A^-i/n-hydroxyphenylJornithine (Compound 3), were determined against 10 human melanoma and 5 nonmelanoma cell lines. Activities of L-DOPA and 3,4-dihydroxybenzylamine were also measured. Dose-response curves were obtained and concentrat...

2010
Xevi Biarnés Alessandro Marchiori Alejandro Giorgetti Carmela Lanzara Paolo Gasparini Paolo Carloni Stephan Born Anne Brockhoff Maik Behrens Wolfgang Meyerhof

Humans' bitter taste perception is mediated by the hTAS2R subfamily of the G protein-coupled membrane receptors (GPCRs). Structural information on these receptors is currently limited. Here we identify residues involved in the binding of phenylthiocarbamide (PTC) and in receptor activation in one of the most widely studied hTAS2Rs (hTAS2R38) by means of structural bioinformatics and molecular d...

Let $R$ be a commutative ring with identity. A proper submodule $N$ of an $R$-module $M$ is an n-submodule if $rmin N~(rin R, min M)$ with $rnotinsqrt{Ann_R(M)}$, then $min N$. A number of results concerning n-submodules are given. For example, we give other characterizations of n-submodules. Also various properties of n-submodules are considered.

We observe some new characterizations of $n$-presented modules. Using the concepts of $(n,0)$-injectivity and $(n,0)$-flatness of modules, we also present some characterizations of right $n$-coherent rings, right $n$-hereditary rings, and right $n$-regular rings.

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