(n.) An organic base belonging to the phenylamines. It may be regarded as ammonia in which one hydrogen atom has been replaced by the radical phenyl. It is a colorless, oily liquid, originally obtained from indigo by distillation, but now largely manufactured from coal tar or nitrobenzene as a base from which many brilliant dyes are made.
(a.) Made from, or of the nature of, aniline.
Example Sentences:
(1) Pretreatment of rats with 6-(3-picolyl)amino-2,2,5,8-tetramethylchromane (PATC) for 7 days resulted in a significant increase in the activities of benzphetamine N-demethylase, p-nitroanisole O-demethylase and aniline hydroxylase in liver microsomes prepared 24 h after the last treatment.
(2) Comparison of the specific activities for aniline hydroxylation and p-nitrophenol hydroxylation of individual microsomal samples from control, ethanol-pretreated and phenobarbital-pretreated animals showed a high degree of correlation (r2 = 0.98) consistent with the involvement of the same site for catalysis of these two compounds.
(3) Chlordimeform had no effect on the cytochrome P-450 content, aniline p-hydroxylase or glutathione S-transferase activities, but induced ethoxyresorufin-O-deethylase, ethoxycoumarin-O-deethylase and epoxide hydrolase activities and decreased aldrin epoxidase and aminopyrine N-demethylase activities.
(4) Intestinal aniline hydroxylation was refractory to ethanol induction.
(5) Incubation of aniline-metabolizing hepatocytes with disulfiram resulted in decreased formation of 4-aminophenol, but this was not associated with impaired glucuronidation or cytochrome P-450 levels.
(6) At 20 degrees C, in a phosphate buffer, pH 5,8--8,0, methanol and aniline interactions with hemoglobin and cytochrome c were studied using the difference spectrophotometry method.
(7) Activities of amidopyrine N-demethylase, aniline hydroxylase, NADPH, cytochrome c reductase as well as content of cytochromes P-450 and b5 were studied in liver tissue of rats within 1, 3, 7, 10, 20 and 30 days of hypokinesia caused by maintaining of the animals in individual cell-cases.
(8) In contrast, menadione does not change the type II binding spectrum induced by aniline.
(9) Enzymatic polymerization took place on the surface of BOD-adsorbed solid matrix which was in contact with a buffer solution containing aniline.
(10) In NADPH-containing microsomal systems with 4-fluoro-substituted anilines, formation of the 4-hydroxyaniline derivative is observed because NADPH chemically reduces this quinoneimine metabolite.
(11) The activity of aniline hydroxylase was significantly increased in liver microsomes of EHBR whereas the activity of ethylmorphine N-demethylase was found to be significantly decreased in EHBR as compared to control rats.
(12) When compared to the first day, methemoglobin (MetHb) levels, measured prior to and following the exposure, increased with the days of exposure at 50 ppm aniline.
(13) Although metabolic attack occurred adjacent to either the aniline nitrogen or the aliphatic amine, metabolic attack occurred primarily adjacent to the more basic nitrogen at the 1'-position, even when this position bore a methyl substituent.
(14) Carbon monoxide inhibits the hydroxylase activity of the tissue-free system to a smaller extent than that of a system containing microsomes plus haemoglobin whereas p-chloromercuribenzoate inhibits only the flavoprotein-dependent hydroxylation of aniline mediated by haemoglobin.
(15) The profiles of urinary metabolites produced by rats and mice were not appreciably different in animals predosed with aniline.
(16) The results indicate that aniline degrading populations of these various microbial communities exhibit different activities probably depending on the extent of adaptation to pollutants to which the microbes are exposed.
(17) A high-pressure liquid chromatographic method has been developed for the determination of nanomole quantities of aniline; its metabolites o- and p-aminophenol, phenylhydroxylamine, nitrosobenzene and nitrobenzene; and azobenzene and azoxybenzene which form non-enzymatically by condensation of reactive metabolites.
(18) A series of ortho-quinone analogues 1-28 of podophyllotoxin possessing various C-4 beta-aniline moieties have been synthesized and evaluated for their inhibitory activity against human DNA topoisomerase II, their activity in causing cellular protein-linked DNA breakage, and their cytotoxicity against KB cells.
(19) The inhibitory effect of the nitroso-compound is demonstrated to be non-competitive on aminopyrine N-demethylase, p-nitroanisole O-demethylase and aniline hydroxylase.
(20) Compared with the control values, the levamisole treatment significantly increased the amount of cytochrome P450 and cytochrome b5 and the in-vitro activities of aminopyrine N-demethylase, benzphetamine N-demethylase and aniline hydroxylase.
Liquid
Definition:
(a.) Flowing freely like water; fluid; not solid.
(a.) Being in such a state that the component parts move freely among themselves, but do not tend to separate from each other as the particles of gases and vapors do; neither solid nor aeriform; as, liquid mercury, in distinction from mercury solidified or in a state of vapor.
(a.) Flowing or sounding smoothly or without abrupt transitions or harsh tones.
(a.) Pronounced without any jar or harshness; smooth; as, l and r are liquid letters.
(a.) Fluid and transparent; as, the liquid air.
(a.) Clear; definite in terms or amount.
(n.) A substance whose parts change their relative position on the slightest pressure, and therefore retain no definite form; any substance in the state of liquidity; a fluid that is not aeriform.
(n.) A letter which has a smooth, flowing sound, or which flows smoothly after a mute; as, l and r, in bla, bra. M and n also are called liquids.
Example Sentences:
(1) All of the strains examined were motile and hemolytic and produced lipase and liquid gelatin.
(2) Previous attempts to purify this enzyme from the liquid endosperm of kernels of Zea mays (sweet corn) were not entirely successful owing to the lability of partially purified preparations during column chromatography.
(3) We have investigated a physiological role of endogenous insulin on exocrine pancreatic secretion stimulated by a liquid meal as well as exogenous secretin and cholecystokinin octapeptide (CCK-8) in conscious rats.
(4) Glycosyl ceramide concentration was determined by gas-liquid chromatography of the trimethylsilyl ethers of the methyl glycosides.
(5) A sensitive, selective and easy to use high-performance liquid chromatographic method for the determination of cicletanide, a new diuretic, in plasma, red blood cells, urine and saliva is described.
(6) A conventional liquid chromatograph with a low capacity column and a conductimetric detector is used to analyze aerosols of Cl-, Br-, NO-3 and SO=4 with good results.
(7) To further characterize the molecular forms of GnRH in each species, the extracts were injected into a high pressure liquid chromatograph (HPLC).
(8) Proliferation of quiescent hematopoietic stem cells, purified by cell sorting and evaluated by spleen colony assay (CFU-S), was investigated by measuring the total cell number and CFU-S content and the DNA histogram at 20 and 48 hours of liquid culture.
(9) High pressure liquid chromatography combined with radioimmunoassay showed marked heterogeneity of SPLI and SLI.
(10) After precipitation of plasma proteins by addition of methanol the samples are injected directly into the liquid chromatographic system.
(11) (2) The treated animals ingested less liquid and solid food than controls.
(12) A rapid method is described for the purification and analysis of synthetic oligonucleotides, based on reversed-phase high-performance liquid chromatography.
(13) Suspensions of isolated insect flight muscle thick filaments were embedded in layers of vitreous ice and visualized in the electron microscope under liquid nitrogen conditions.
(14) These analyses were carried out on unfractionated culture fluids and on fractions obtained by fast protein liquid chromatography separation using Superose 6 gels.
(15) The penetration coefficient, determined by the surface tension, contact angle and viscosity, is a measure of the ability of a liquid to penetrate into a capillary space, such as interproximal regions, gingival pockets and pores.
(16) Between-lot variation exceeded that of within-lot variation in 10 of the 14 liquid antacids for which this variation could be tested.
(17) The principle of the liquid and solid two-phase radioimmunoassay and its application to measuring the concentrations of triiodothyronine and thyroxine of human serum in a single sample at the same time are described in this paper.
(18) The rats were then sacrificed at either one or four hours after the injections and their brains analyzed for monoamine and metabolite content using High Performance Liquid Chromatography with Electrochemical Detection.
(19) It was like watching somebody pouring a blue liquid into a glass, it just began filling up.
(20) [8(-14)C]Inosine monophosphate formed was separated by high-voltage electrophoresis and radioactivity was measured by liquid-scintillation counting.