(n.) A heavy gaseous hydrocarbon, C3H8, of the paraffin series, occurring naturally dissolved in crude petroleum, and also made artificially; -- called also propyl hydride.
Example Sentences:
(1) Stopped-flow studies of oxidation of butan-1-ol and propan-2-ol by NAD(+) in the presence of Phenol Red and large concentrations of yeast alcohol dehydrogenase give no evidence for the participation of a group of pK(a) approx.
(2) Young female rats dosed with 1-bromo[1-14C]propane excrete the same metabolites as adult females but in different relative proportions.
(3) The performance of a commercial double-propane-jet freezer (Balzers QFD 101) has been assessed, for rapid freezing of fresh tissues in freeze-etch work.
(4) The ryanodine receptor protein of sheep cardiac muscle sarcoplasmic reticulum membranes functions as a ligand-regulated ion channel following solubilization with the zwitterionic detergent CHAPS (3-[(3-cholamidopropyl)-dimethylammonio]-1- propane sulphonate); purification by density gradient centrifugation, reconstitution into proteo-liposomes and incorporation into planar phospholipid bilayers.
(5) The biliary excretion of metabolites of 1,2-epoxy-3-(p-nitrophenoxy)-propane is described.
(6) There is no detectable activity with 1,2-epoxy-3-(p-nitrophenoxy)propane, ethacrynic acid, p-nitrobenzyl chloride or p-nitrophenyl acetate.
(7) Clinical experience is reported with bis-dioxopiperazine propane (ICRF 159) in 20 children with acute leukaemia in relapse.
(8) A fast freezing technique using liquid propane was used to obtain frozen solutions of methemoglobin at pH 7.
(9) Substitution of "strong" salts in the sample zone with salts formed by weak acids and bases, e.g.. Tris-acetate, Tris-glycinate, Good's buffers such as (N-[2-acetamido]-2-iminodiacetic acid (ADA), (2-[(2-amino-2-oxoethyl)-amino] ethanesulfonic acid (ACES), (3-[N-morpholino]propane sulfonic acid (MOPS), essentially abolishes both phenomena, oxidation and irreversible denaturation.
(10) Results of the demonstration tests show that the system, which uses liquefied propane, successfully removed PCBs from contaminated sediments in New Bedford Harbor.
(11) The capacity of carnosine to decrease free radical-induced damage was evaluated using the oxidation of brain homogenates, the 2,2'-azobis-2-amidino propane-induced oxidation of erythrocyte ghost membranes, the radiation induced inactivation of horseradish peroxidase and the 2,2'-azobis-2-amidino propane-induced inactivation of lysozyme.
(12) Lignin peroxidase also hydroxylated 1-(4'-ethoxy-3'-methoxyphenyl)propane II at the alpha-position to yield 1-(4'-ethoxy-3'-methoxyphenyl)-1-hydroxypropane VI under anaerobic conditions in the presence of mCPBA.
(13) Derivatives of the antiallergic drug cromolyn [disodium 5,5'-[(2-hydroxy-1,3-propanediyl)-bis(oxy)]bis [4-oxo-(4H-1-benzopyran)-2- carboxylate]], which can be conjugated covalently at the propane 2-position to macromolecules and to insoluble matrices, were synthesized.
(14) The effect of two nitroimidazoles, 2-acetoxyl-1,3-bis-(2'-methyl-4'-nitro-1'-imidazolyl)propane (Rs-029) and 2-acetoxy-1-(2'-methyl-4'-nitro-1'-imidazolyl)-3-(2''-methyl-5''-nitro- 1- nitroimidazolyl)propane (Rs-034) on ATP level and erythrocyte membrane ATP-ase activity was studied.
(15) The animals were decapitated and, the pituitary glands were removed, mounted on tissue holders and frozen in liquified propane.
(16) macrosporus is a unique acid endopeptidase that is insensitive (or less sensitive) to specific inhibitors of ordinary acid or aspartic proteinases, such as pepstatin, diazoacetyl-DL-norleucine methyl ester, and 1,2-epoxy-3-(p-nitrophenoxy)-propane.
(17) Rapid quenching methods such as plunging a grid into liquid propane cooled by LN2 or collision with a clean surface of a copper block cooled to LHe temperature were used to avoid ice crystal formation.
(18) Considerable activity was obtained with 1-chlorl-2,4-dinitrobenzene and low activity with 3,4-dichloro-1-nitrobenzene, but no enzymic reaction was detectable with sulphobromophthalein 1,2-epoxy-3-(p-nitrophenoxy)propane of trans-4-phenylbut-3-en-2-one as substrates.
(19) When porcine brain membranes were solubilized with digitonin or 3-[(3-cholamidopropyl)dimethylammonio]-1-propane sulfonate (CHAPS), approximately 20% of the receptors were solubilized, most (90% or more) of which bound to Sepharose 4B conjugated with wheat germ agglutinin (WGA).
(20) Propane inhalation may be widespread, yet only a few cases have been reported.
Propone
Definition:
(v. t.) To propose; to bring forward.
Example Sentences:
(1) Although it appears to come within the confines of privacy, assisted suicide constitutes a more radical change in the law than its proponents suggest.
(2) Both sides agree that antigenic diversity is advantageous although selectionists see benefits in individual mutations whereas the proponents of random genetic drift see the advantage in the parasite's capacity to tolerate diversity per se.
(3) It is said that the science around climate change is not as certain as its proponents allege.
(4) He is also a vocal proponent of the benefit cap , finding it disgusting that some families can claim more in benefits than the average person earns, even while he finds it intolerable that he can only claim in accommodation expenses £2,000 more than the cap .
(5) He is a “caricature machine politician” , Goldsmith has claimed, but also the proponent of “divisive and radical politics” .
(6) Hungary, now one of Europe’s keenest proponents of border protection, was less than a century ago part of a polyglot, multinational commonwealth, the Austro-Hungarian empire.
(7) George Osborne, the chancellor, whose Tatton constituency lies on the expected route, is a crucial proponent in unlocking the £33bn spend.
(8) Queen Victoria’s physician was a great proponent of the value of tincture of cannabis and the monarch is reputed to have used it to counteract the pain of menstrual periods and childbirth.
(9) Soviet leader Mikhail Gorbachev was the major proponent of Greater Europe, a concept that also had European roots in Gaullism and other initiatives.
(10) Debate among proponents of these various proposals might be advanced if a common language were adopted with regard to certain key terms instead of the various meanings currently assigned to these terms.
(11) Psychologist Susan Blackmore is best known as the proponent of memes, but early in her career she was a parapsychologist.
(12) Proponents argue that freestanding emergency centers reduce costs by providing care in a more efficient manner and cause other health care providers such as hospital emergency rooms to reduce costs and improve service.
(13) Strong proponents exist for the combination chemoradiation, whereas others favor radical radiation therapy.
(14) Proponents of these schemes argue that it helps to rescue people from fuel poverty.
(15) But proponents argue a nuclear weapons ban will create a moral case – in the vein of the cluster and land mine conventions – for nuclear weapons states to disarm, and establish a new international norm prohibiting nuclear weapons’ development, possession, and use.
(16) The basic income has its proponents on the right as well as the left, with the former seeing it as a cut-price form of welfare.
(17) It was, I recall, an anarchic traffic jam of ex-squatters, ravers, and proponents of free love that chuntered slowly and messily through the byways and sometimes the highways of Thatcher’s Britain.
(18) According to some proponents and critics of research using animals, the greatest hope for improved conditions for laboratory animals is to be found in the system of self-regulation called for by recent legislation and the NIH's revised policy.
(19) Lord Mandelson, a former Labour minister and a keen proponent of electoral reform, said AV supporters had paid a "big price" for staging the national poll on the same day as the first elections since the general election.
(20) He said the shift to the neutral stance would allow nurses to talk to patients about it if they were questioned, but added: "That must not be confused with us being proponents of assisted suicide."