(n.) A white crystalline substance, C6H5.C6H5, obtained by leading benzene through a heated iron tube. It consists of two benzene or phenyl radicals united.
Example Sentences:
(1) A semiautomated colorimetric assay (MTT assay), based on the ability of live cells to reduce a tetrazolium-based compound, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT), to a purplish colored formazan product that can be measured spectrophotometrically, has recently been adapted for use in drug sensitivity analysis of cultured human tumor cell lines.
(2) The effects of common repellents on the membrane fluidity of Escherichia coli were measured by the fluorescence polarization of the probe 1,6-diphenyl-1,3,5-hexatriene in liposomes made of lipids extracted from the bacteria and in membrane vesicles.
(3) Cells were exposed to chlorhexidine, hydrogen peroxide and sodium hypochlorite for 15 min and cell viability was assessed 24 h later with a colorimetric assay which utilizes the tetrazolium salt 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT).
(4) Both proteins were eluted as a single peak in reversed-phase high-performance liquid chromatography on a Protesil-diphenyl column.
(5) Here, we compare this [3H]thymidine uptake test for measuring IL-2 activity with a rapid and sensitive colorimetric method which is based on the ability of viable cells to cleave 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT).
(6) Exposure of EC to AA increases membrane "fluidity" as measured by fluorescence anisotropy using 1,6-diphenyl-1,3,5 hexatriene as a fluorescent probe.
(7) sodium diphenyl hydantoin (Dialtin) barbiturates, pyrimidon, succinamides, diazepines etc.
(8) The isomeric N,N-dimethyl-4,5-diphenyl-1H-pyrazole-1-propanamine was completely inactive in the primary antidepressant screens.
(9) Changes in membrane fluidity induced by lectin addition to 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) vesicles containing synthetic glycopeptides were measured by depolarization of the fluorescent probes 8-anilino-1-naphthalenesulfonate (ANS) and 1,6-diphenyl-1,3,5-hexatriene (DPH).
(10) A significant stimulation in liver microsomal enzymes occurred after 2,3-dimethyl quinoxaline and 2,3-diphenyl quinoxaline treatments; these changes were associated with increases in cytochrome P-450 level and in RNA and protein contents of the microsomal fraction.
(11) These thymocyte subclasses did not show any significant differences in the degree of fluorescence polarization using the probe 1,6-diphenyl-1,3,5-hexatriene.
(12) veratridine, sanguinarine nitrate, penicillic acid, vanadium pentoxide, harmaline-HCI,5,5'-diphenyl hydantoin, quindonium bromide, and methyl quinolizinum bromide) provides strong evidence that the observed species-related differences are highly specific for cardiotonic steroids.
(13) The increase in conjugated dienes with 200 microM nafenopin was inhibited by co-incubation with the antioxidant, N,N'-diphenyl-p-phenylenediamine.
(14) Inhibition of MDA production to below control levels using the antioxidant N,N'-diphenyl-phenylene diamine (DPPD) however, had no inhibitory effect on cocaine-induced cytotoxicity in either mouse or rat cells.
(15) Both the loss of alpha-tocopherol and the accumulation of lipid peroxidation products could be prevented by addition of either the antioxidant N,N'-diphenyl-p-phenylenediamine (DPPD) or the reducing agent dithiothreitol (DTT).
(16) The steady-state fluorescence anisotropy of diphenyl-1,3,5-triene and 1-[4-(trimethylaminophenyl)phenyl]-6-phenylhexa-1,3,5-triene revealed an increase of the order of the membranes with the increase of hormone level.
(17) The NaK-ATPase K(m) for ATP was not affected by any of these agents.LPM fluidity, measured by fluorescence polarization using the probe 1,6-diphenyl-1,3,5-hexatriene, was found to be increased by propylene glycol, thyroid hormone, and cortisone acetate, decreased by ethinyl estradiol, and unaffected by phenobarbital.
(18) The effects of membrane perturbants (ethanol, pentobarbital, chloroform, diethylether, phenytoin, cis-vaccenic acid methylester, and cis-vaccenoyl alcohol) on the lipid order of mouse brain synaptic plasma membranes (SPM) were tested by fluorescence polarization using 1,6-diphenyl-1,3,5-hexatriene (DPH) as a probe of the membrane core and 1-[4-(trimethylammonium)phenyl]-6-phenyl-1,3,5-hexatriene (TMA-DPH) as a probe of the membrane surface.
(19) Fluorescence anisotropy values for 1,6-diphenyl-1,3,5-hexatriene in mature brush border membranes were higher than those values in membranes obtained from younger animals reflecting a less fluid membrane.
(20) The interaction of the Cu(II), Ni(II) and Co(III) complexes of the following six water-soluble cationic porphyrins with calf thymus DNA, poly(dG-dC)2 and poly(dA-dT)2 was studied by UV-visible and resonance Raman spectroscopy: tetrakis(2-N-) and (3-N-methylpyridyl) porphyrin (1, 2); monophenyl-tris(4-N-methylpyridyl)porphyrin (4); cis- and trans-diphenyl-bis (4-N-methylpyridyl)porphyrin (5, 6).
Xenyl
Definition:
(n.) The radical characteristic of xenylic compounds.
Example Sentences:
(1) Tritium-labeling of (3-xenyl)cyclohexane was investigated by deuterium-labeling on Clemmensen and Wolff-Kishner reduction of 2-(3-xenyl)cyclohexane.
(2) Thus, the labeled (3-xenyl)cyclohexane was a mixture of compounds with various numbers of deuterium atoms.