(a.) Acting; -- opposed to patient, or sustaining, action.
(n.) One who exerts power, or has the power to act; an actor.
(n.) One who acts for, or in the place of, another, by authority from him; one intrusted with the business of another; a substitute; a deputy; a factor.
(n.) An active power or cause; that which has the power to produce an effect; as, a physical, chemical, or medicinal agent; as, heat is a powerful agent.
Example Sentences:
(1) Combinations of maximum amounts of glucagon and the cyclic nucleotide did not produce a greater effect than either agent alone.
(2) Assessment of the likelihood of replication in humans has included in vitro exposure of human cells to the potential pesticidal agent.
(3) In addition, intravenous injection of complexes into rabbits showed optimal myocardial images with agents of intermediate lipophilicity.
(4) This study examined the [3H]5-HT-releasing properties of 3,4-methylenedioxymethamphetamine (MDMA) and related agents, all of which cause significant release of [3H]5-HT from rat brain synaptosomes.
(5) The quaternary structure of ribonucleotide reductase of Escherichia coli was investigated, with the use of purified B1 and B2 proteins and bifunctional cross-linking agents.
(6) Rapid overgrowth of all cultures with the E. coli necessitated the use of selective media containing antimicrobial agents to which the E. coli was sensitive.
(7) These membrane perturbation effects not observed with bleomycin-iron in the presence of a hydroxyl radical scavenger, dimethyl thiourea, or a chelating agent, desferrioxamine, were correlated with the ability of the complex to generate highly reactive oxygen species.
(8) of PLA2 caused marked degranulation of mast cells in the rat mesentery which was facilitated by addition of calcium ion (10 mM) but antagonized by pretreating with three antiinflammatory agents.
(9) We report a series of experiments designed to determine if agents and conditions that have been reported to alter sodium reabsorption, Na-K-ATPase activity or cellular structure in the rat distal nephron might also regulate the density or affinity of binding of 3H-metolazone to the putative thiazide receptor in the distal nephron.
(10) Acquired drug resistance to INH, RMP, and EMB can be demonstrated in M. kansasii, and SMX in combination with other agents chosen on the basis of MIC determinations are effective in the treatment of disease caused by RMP-resistant M. kansasii.
(11) The secondary leukemia that occurred in these patients could be distinguished from the secondary leukemia that occurs after treatment with alkylating agents by the following: a shorter latency period; a predominance of monocytic or myelomonocytic features; and frequent cytogenetic abnormalities involving 11q23.
(12) The agent present in the serum which causes dissolution of the fibrin clot was isolated and identified as pepsinogen.
(13) The active agents modestly improved treadmill exercise duration time until 1 mm ST segment depression (3%), and only propranolol and diltiazem had significant effects.
(14) Maximal covalent binding of [4,5-14C]ronidazole to DNA also required four-electron reduction, consistent with previous studies of the covalent binding of this agent to immobilized sulfhydryl groups [Kedderis et al.
(15) Since interferon alfa-2b (Intron A) is useful as a single agent, it is important to determine if interferon can be combined with standard chemotherapy to improve both response and survival in patients with cancer.
(16) Median effect analysis was applied for the evaluation of in vitro effect by the growth inhibition, and the in vivo effect by comparison of the increase of life span (ILS) in a combined group with the sum of ILS's in 2 single agent groups.
(17) Noradrenaline (NA) was released from sympathetic nerve endings in the tissue by electrical stimulation of the mesenteric nerves or by the indirect sympathomimetic agent tyramine.
(18) Helsby, who joined the estate agent in 1980, saw his basic salary unchanged at £225,000, but gains a £610,000 windfall in shares, available from May, as well as a £363,000 increase in cash and shares under the company profits-sharing scheme.
(19) Combining maximally effective concentrations of each of these stimulating agents produces an additive increase in both the level of 32P incorporation into tyrosine hydroxylase and the degree of activation of the enzyme.
(20) The review provides an update of drug-induced pulmonary disorders, focusing on newer agents whose effects on the lung have been studied recently.
Intoxicant
Definition:
(n.) That which intoxicates; an intoxicating agent; as, alcohol, opium, and laughing gas are intoxicants.
Example Sentences:
(1) On the contrary, a plant with a THC level below 50 per cent of the cannabinoids and 0.3 per cent of the dried substance, in addition to a low level of total cannabinoids, has low intoxicant potential and can be used in industry for the production of oil and rope.
(2) Concomitant abuse of other intoxicants, especially alcohol, was frequently seen (48.5%).
(3) These results, together with those from other studies, suggest that the disordering of membrane lipids by ethanol and other intoxicant-anesthetic drugs is an important factor in the inhibition of sodium channel function by these drugs.
(4) The preliminary and limited study was made in an area where the metallic spray paints are used as an intoxicant by a significant percentage of the student-population.
(5) In the case of intoxication with Paraquat or Paracetamol, there is a negative correlation between the amount of removed intoxicant and the survival: death is likely to occur when the procedure has been very productive.
(6) (Venomous fishes, having poison glands and traumagenic spines, etc., are of no direct concern as oral intoxicants.
(7) There was no correlation between socio-economic level and use of intoxicants.
(8) These findings are inconsistent with any simple adrenergic mechanism in the mediation of the intoxicant effect of ethanol.
(9) In all patients there was a reluctance to admit that butane vapour was in use as an intoxicant immediately prior to the injury.
(10) Although methyl iodide is a rare form of intoxicant, its manifestations are similar to that of poisoning with the other monohalomethanes that are not uncommon.
(11) The prophylactic committee, PAARISA, issues informative campaigns about intoxicants, the effects of which are assessed by means of investigations such as this.
(12) Half of the charts were reviewed before and half were reviewed after June 1986, when Connecticut enacted PA86-345, a law changing court rules of evidence so that the analysis by a hospital of a patient's blood could be used to establish probable cause for driving while under the influence of an intoxicant.
(13) Variables that may alter the efficacy of charcoal therapy include the preparation and dose of charcoal used, the intoxicants involved, stomach contents, the gastrointestinal pH, concurrently administered materials, and time from toxin ingestion to charcoal administration.
(14) The histopathological symptoms of the various organs further demonstrated that internal injury in liver and kidney was also an important feature of the intoxicants as well as external damage, especially the particles observed around the gills.
(15) This procedure has been shown to achieve high clearance rates of most common intoxicants, and case reports have claimed that its application has been, on occasion, life-saving.
(16) Alcohol is the favoured intoxicant of European man and his descendants overseas.
(17) Intentional use of gasoline as an intoxicant has been frequently reported in diverse clinical literature.
(18) Therefore, while nimodipine may alter alcohol pharmacokinetics through its interaction(s) with the genetic characteristics of the individual animal, the ability of this calcium slow channel blocking agent to enhance the psychotropic effects of alcohol cannot be due to altered absorption or elimination of the intoxicant.
(19) While the intoxicant effect of alcohol depends on the quantity in the circulatory blood level, the toxic effects, particularly in the liver, depend largely on the total dose and are independent of the speed of absorption into the blood.
(20) When you take a Vipassana course, you agree to abide by five precepts: no killing, no stealing, no lying, no sexual misconduct and no intoxicants.