(n.) A hydrocarbon radical, C5H11, of the paraffine series found in amyl alcohol or fusel oil, etc.
Example Sentences:
(1) Glyceryl p-aminobenzoate and amyl p-dimethyl-aminobenzoate were labeled on 1 and 3 sunscreens, respectively, but glyceryl p-aminobenzoate was not found in any of them and only traces of amyl p-dimethylaminobenzoate were found in 1 sunscreen.
(2) Amplitude of the musical vibrations decreased by inhalation of amyl nitrite, but increased by infusion of methoxamine.
(3) Serial binary dilutions of amyl acetate and nitrobenzene were used in a double-blind test to determine olfactory acuity of 40 multiple sclerosis (MS) patients.
(4) The odorant, diluted in diethyl phthalate, was n-butanol in two experiments and n-amyl acetate in two others.
(5) The response (increase in action potential frequency) of nasopalatine and ethmoidal nerves to brief presentations of formaldehyde, ozone, or amyl alcohol was a power function of stimulus concentration.
(6) The response of cells to four odors (amyl acetate, 1-butanol, ethyl acetate and ethyl butyrate) showed differences in odor selectivity, suggesting their ability to discriminate among odors.
(7) In order to direct chromosomal integration of the alpha-amylase-encoding gene from Bacillus licheniformis (amyL) under the control of expression and secretion signals from Enterococcus faecalis, the chromosomal fragment (named AB) from the pGIP3124 plasmid [Hols et al., Gene 118 (1992) 21-30] was chosen and split into two fragments (A and B).
(8) Experiments focused on obtaining a complete intensity series, including interspersed unstimulated spontaneous activity records, for a single odorant (usually amyl acetate), but concentration responses to other odorants were tested when possible.
(9) The study of the carotid pulse tracing and systolic time intervals was made using the injection of methoxane and inhalation of amyl nitrite.
(10) This study showed that it is possible to produce a relaxation of biliary tract muscle fibres with an injection of nitroglycerin and then replace amyl nitrite during anesthesia.
(11) Regional cerebral blood flow (CBF), mood states and somatic symptoms were measured before and after inhalation of amyl nitrite in 10 physically healthy volunteers with a prior history of using volatile nitrites for recreational purposes.
(12) There was no evidence of any increase in [Ca2+]i in the olfactory receptor cells in nominally Ca2+ free solution and stimulated by amyl acetate.
(13) The present electrophysiological and behavioral experiments address this issue using tiger salamanders, Ambystoma tigrinum, and four compounds (amyl acetate, cyclohexanone, butanol, and d-limonene).
(14) Glucose represses both spore formation and expression of amyL.
(15) The study was conducted to obtain information on the recreational use of the vasodilators (RVs) amyl nitrite and butyl nitrite in Toronto.
(16) Three lipophilic amide derivatives of phthaloyl-GABA (P-GABA), namely gamma-phthalimido N-amyl butyramide (PGA), gamma-phthalimido-N-hexylbutyramide (PGH) and gamma-phthalimido N-phenylbutyramide (PGP), were synthesized and evaluated for their hypnotic and anticonvulsant activities in mice.
(17) In artificially ventilated, paralyzed rabbits amyl nitrite caused a pronounced sensitization of pulmonary stretch receptors (PSRs) during the inflation phase, typically with a reduction in the level of activity during the deflation phase.
(18) It is concluded that from the clinical stand point, neither amyl nitrite administration nor standing up can be used as a test to assess acurately the degree of beta blockade, because both procedures activate vagal withdrawal which increases heart rate regardless of the degree of beta blockade.
(19) In this study ethanol and certain other short-chain aryl (benzyl and phenethyl) and aliphatic (methyl, propyl, butyl, and amyl) alcohols produced up to 10-fold increases in cyclic AMP (cAMP) concentrations in purified human peripheral blood lymphocytes.
(20) Catabolite repression occurred independently of the amylase promoter and irrespective of the distance of the promoterless amyL gene from the promoter which transcribed it.
Pentyl
Definition:
(n.) The hypothetical radical, C5H11, of pentane and certain of its derivatives. Same as Amyl.
Example Sentences:
(1) Maximum potency was displayed by N-tert-pentyl-N'-3 pyridyl-N"-cyanoguanidine (20).
(2) The other compounds (1-cyclopentylfestuclavine, 13-bromo-1-cyclopropylmethylfestuclavine, 6-cyano-1-propyl-6-norfestuclavine and 6-allyl-1-propyl-6-norfestuclavine) showed mutagenic effects only in the presence of S9, as previously observed with other clavines (agroclavine and its 1-propyl and 1-pentyl derivatives).
(3) In hepatocytes from Aroclor-pretreated rats, 0.09% were pentyl conjugates and 1.1% methyl conjugates.
(4) N-Propyl-, N-butyl, N-isobutyl, and N-pentyl-NNG's were administered to rats as 0.34mM solutions in the drinking water for 12 months and the rats were killed about 6 months later.
(5) Indeed, authentic 4-POBN pentyl radical adduct obtained from the reaction between pentylhydrazine and 4-POBN gave the same mass spectrum as the product obtained from the reaction of linoleic acid and arachidonic acid with 4-POBN.
(6) The ferrochelatase-inhibitory activity of the 4-butyl, 4-pentyl, 4-hexyl, and 4-cyclopropylmethyl analogues of DDC was considered to be due to the formation of the corresponding N-alkylporphyrins.
(7) Determinations of epsilonM of some higher esters (ethyl to pentyl) and some partial methyl esters with one carboxyl group free are also presented.
(8) These compounds were converted to pentyl derivatives with pentyl Grignard reagent and then analysed by C-GC.
(9) Additionally, the ability of the mutant complexes to oxidize reduced benzyl viologen or reduce the ubiquinone analogue 2,3-dimethoxy-5-methyl-6-pentyl-1,4-benzoquinone and phenazine methosulfate with succinate as electron donor were also affected but to varying degrees.
(10) The dog's response magnitude dependence on the nasal flow rate was noticeable for n-pentyl acetates, but not so great as for n-butyric acid.
(11) P450IIB1 also catalyses the alpha-oxygenation of both the pentyl and methyl groups of N-nitrosopentylmethylamine, forming pentaldehyde and formaldehyde at a rate ratio of 2:1, as well as oxygenation at other carbons of the pentyl group.
(12) Finally, in agreement with earlier reports on the naturally occurring pentyl side chain acids, the synthetic acids showed little activity in producing catalepsy in the mouse, suggesting that they would be nonpsychotropic in humans.
(13) The effects of the hypoketonaemic and hypoglycaemic compound 2[5(4-chlorophenyl)pentyl]oxirane-2-carboxylate (POCA) on fatty acid synthesis and fatty acid oxidation in rat hepatocytes were examined.
(14) Phenyl ethyl pentylphosphonate inhibits at least as well or probably better than p-nitrophenyl ethyl pentyl phosphonate, the chemotactic factor induced relase of lysozyme from polymorphonuclear leucocytes spread on Millipore filters in the absence of cytochalasin B.
(15) In the present study, we have investigated agroclavine and its 1-propyl and 1-pentyl derivatives for mutagenicity.
(16) An alpha-fucosidase from the liver of the marine gastropod Charonia lampas was purified to homogeneity using a procedure that included cation-exchange and gel-filtration chromatography, chromatofocusing and a final series of affinity-chromatography steps which involved the following gel-immobilized ligands: N-(5-carboxy-1-pentyl)-1,5-dideoxy-1,5-imino-L-fucitol, N-(5-carboxy-1-pentyl)-2-acetamido-1,5-imino-1,2,5-trideoxy-D-glucitol and thio-beta-D-galactoside.
(17) Systematic examination of a homologous series of omega-aminoalkyl agaroses showed that the pentyl derivative (Seph-C5-NH2) was best suited for the retention and subsequent separation of several proteins involved in the regulation of glutamine metabolism in Escherichia coli, including: glutamine synthetase [EC 6.3.1.2; L-glutamate:ammonia ligase (ADP-forming)], ATP:glutamine synthetase adenylyltransferase (EC 2.7.7.42), the PII regulatory protein which regulates the adenylylation and deadenylylation activities of the adenylyltransferase, the UTP:PII protein uridylyltransferase, and the uridylyl removing enzyme which catalyzes the removal of uridylyl groups from uridylylated PII protein.
(18) The receptor is adsorbed to uncharged pentyl-Sepharose but not to butyl-Sepharose at 1 M NaCl.
(19) The tritiated analogue of R75231 ((+-)-2-(aminocarbonyl)-N-(4-amino-2,6-dichlorophenyl)-4-[5,5-bis (4-fluorophenyl)pentyl]-1-piperazineacetamide) has been examined as a new radioligand for (nitrobenzylthioinosine sensitive) nucleoside transport proteins.
(20) In contrast, for leghemoglobin, although the rate constants decrease from methyl to n-propyl, they show a progressive and important rise with longer alkyl substituents: n-butyl and n-pentyl.