What's the difference between propine and propyne?

Propine


Definition:

  • (v. t.) To pledge; to offer as a toast or a health in the manner of drinking, that is, by drinking first and passing the cup.
  • (v. t.) Hence, to give in token of friendship.
  • (v. t.) To give, or deliver; to subject.
  • (n.) A pledge.
  • (n.) A gift; esp., drink money.
  • (n.) Same as Allylene.

Example Sentences:

  • (1) This alcohol oxidase oxidizes not only methanol but also lower primary alcohols (C2-C4), 2-propin-1-ol and formaldehyde.
  • (2) Propine contains the following: dipivefrin, 0.1%; mannitol, 1.89%; sodium metabisulfite, 0.075%; disodium edetate, 0.0127%; and benzalkonium chloride, 0.004%.
  • (3) There was no significant difference between the intraocular lowering effect of the two preparations, and 60% of patients receiving Propine and 66% of those receiving adrenaline noted side effects.
  • (4) Iontophoresis was performed once at 0.5 mAmp for five minutes and 0.1% Propine drops were instilled four times a day beginning three days after iontophoresis and continuing for five consecutive days.
  • (5) Dipivefrin alone reproduced each patient's initial Propine-induced conjunctivitis; symptoms occurred unilaterally in one patient and bilaterally in the other four patients.
  • (6) In 12 ulcer patients in attack and in 6 healthy subjects the secretory test to insulin (Hollender test) was used and repeated after 48 hrs in association with propranolol (Propins test).
  • (7) Herpes simplex virus type 1 (HSV-1) ocular shedding and recurrent HSV-1 corneal epithelial lesions were assessed after ocular iontophoresis of 0.1% 6-hydroxydopamine followed by topical ocular instillation of 0.1% Propine in ten rabbits latently infected with HSV-1 strain McKrae.
  • (8) Derivatives of propionic and acetic acids (propinate, dalapon, MCAA, DCAA, and TCAA) did not exhibit any appreciable inhibiting effect under the experimental conditions.
  • (9) Fumarate, 3-phenyl-2-propinate, 2-enoyl-methyl and CoA esters proved not to be substrates for the purified reductase.
  • (10) Dipivefrin (Propine) is an effective ocular hypotensive agent.
  • (11) It therefore results that by using our "Propins" test it is possible to estimate the prevalence of the vagal-cholinergic or the beta-adrenergic (gastrinic) mechanism in the pathogenesis of duodenal ulcer.
  • (12) The facial nerve from the point of view of its arterial supply must be considered as a nerve of the middle fossa and represent the major risk of embolization in the propinal middle meningeal artery.
  • (13) Statistically, both dipivefrin (Propine) and levobunolol (Betagan) were found to be more expensive.
  • (14) We studied five patients with adverse local reactions to dipivefrin (Propine) eye drops.
  • (15) The results of this single-blind randomised trial comparing adrenaline 1% with dipivalyl epinephrine (Propine) 0.1% confirm that both have a significant effect in lowering the intraocular pressure in patients with open-angle glaucoma and ocular hypertension, but it is generally insufficient to warrant their use as the first line medical treatment of these two conditions.

Propyne


Definition:

Example Sentences:

  • (1) The role of alkene monooxygenase in catalyzing chlorinated alkene degradations was established by demonstrating that glucose-grown cells which lack alkene monooxygenase and propylene-grown cells in which alkene monooxygenase was selectively inactivated by propyne were unable to degrade the compounds.
  • (2) 3-Dimethylamino-1-propyne irreversibly inactivates mitochondrial monoamine oxidase from bovine liver.
  • (3) 1-Aminobenzotriazole, 3-phenoxy-1-propyne, and 3-(2,4-dichlorophenoxy)-1-propyne, mechanism-based inactivators of cinnamic acid 4-hydroxylase, and 9-decenoic acid, a mechanism-based inactivator of the lauric acid in-chain hydroxylase, are at best poor inactivators of the omega-hydroxylase.
  • (4) With the film technique the different peptides were sequenced with hydrophilic phenylisothiocyanates I and IV or by the propyne programme.
  • (5) One analogue, 3-(2-oxo-1-pyrrolidinyl)-1-[2(R)-pyrrolidinyl]-1-propyne hydrogen oxalate (6a), was found to be a partial agonist producing a PI hydrolysis response at cortical M1 receptors approximately 3-fold larger than that produced by 1.
  • (6) The sequence is obtained automatically by the sequenator using the quadrol and the propyne programme.
  • (7) When the experiments were performed using an air-tissue interface, the dominant photoproducts identified in order of elution from the gas chromatographic column were methane, acetylene, ethylene, ethane, propyne, allene, propylene, propane, and butene.
  • (8) Acetic acid and methanol cleaved the tetrahydropyranyl ether group, and hydroxylamine and sodium bicarbonate cleaved the pyrrole ring to give 17 alpha-(3'-amino-1'-propyn-1'-yl)-1,3,5(10)-estratriene-3,17 beta-diol (1), estrynamine.
  • (9) We used mainly N,N-dimethylallylamine and 3-(dimethylamino)propyne, both as aqueous solutions at constant temperature (40 degrees C).
  • (10) The cleavage products were isolated and sequenced in the sequenator using a Quadrol and propyne program.
  • (11) indicates that the Michael acceptors 1-(4'-nitrophenyl)-2-propen-1-one (III) and 1-(4'-nitrophenyl-2-propyn-1-one (IV) are the products of the enzymic oxidation of the corresponding alcohols.
  • (12) Propyne (CH3C identical to CH) is not reduced by the V-nitrogenase.
  • (13) The latter was converted to the corresponding Grignard reagent with ethylmagnesium bromide, and then condensed with estrone tetrahydropyranyl ether to give 17 alpha-[3'-(2'',5''-dimethyl-1''-pyrryl)-1'-propyn-1'-yl)-1,3 ,5( 10)- estratriene-3,17 beta-diol 3-tetrahydropyranyl ether (3), in 85% yield.
  • (14) The inhibition is remarkably specific for C2H2: propyne, butyne, and ethylene are not inhibitors.
  • (15) We have produced a compact, lightweight oxygen concentrator, using a newly-developed polymer of poly [1-(trimethylsilyl)-1-propyne] with a performance, i.e.
  • (16) Two non-steroidal mechanism-based inactivators for 3 alpha-hydroxysteroid dehydrogenase (3 alpha-HSD) of rat liver have been synthesized: 1-(4'-nitrophenyl)-2-propen-1-ol (I), and 1-(4'-nitrophenyl)-2-propyn-1-ol (II).
  • (17) The spectral properties of the adduct of the liver enzyme with 3-dimethylamino-1-propyne are similar to those observed when the pig kidney enzyme is inactivated with pargyline (Chuang et al.
  • (18) 7-O-Propyn-1-yl daunomycinone was not transformed by any of the strains used under the conditions.
  • (19) In further experiments, designed to examine the range of the dietary effect on chemical carcinogenesis, rats were fed either the marginally lipotrope-deficient, high-fat diet or an adequate control diet, and treated wit- N-2-fluorenylacet-amide, 3,3 diphenyl-3-diemthylcarbamoyl-1-propyne, N-methyl-N-nitroso-N'-nitroguanidine, N-[4-(5-nitro-2-furyl)-2-thiazolyl]formamide, aflatoxin G1, or ethionine.
  • (20) The substrates used were acetol, dihydroxyacetone, glycerin, 2-propyn-1-ol, allyl alcohol, 2-butyne-1,4-diol, furfuryl alcohol, benzyl alcohol, 4-pyridylcarbinol, galactose, and stachyose.

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