(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.
Expedient
Definition:
(a.) Hastening or forward; hence, tending to further or promote a proposed object; fit or proper under the circumstances; conducive to self-interest; desirable; advisable; advantageous; -- sometimes contradistinguished from right.
(a.) Quick; expeditious.
(n.) That which serves to promote or advance; suitable means to accomplish an end.
(n.) Means devised in an exigency; shift.
Example Sentences:
(1) Labs that produce new legal highs use the simple expedient of giving them to their mates to test.
(2) The expediency of this system has been recognised at an international level.
(3) The expedience of using the reference and recent years of isolates of parainfluenza type 1 viruses for serodiagnosis was demonstrated.
(4) We can never sacrifice fundamental fairness for political gain, and we should never value expediency over justice – especially in matters of life or death.
(5) There were definite benefits achieved by avoiding cancellation of elective operations, by using operating room personnel more efficiently and by expediating the surgical schedule.
(6) When evaluating the results of functional tests, it is expedient to use a combination of the parameters of spirography, the curve of forced expiration flow-volume and general plethysmography and in the choice of method preference should be given to the registration of the curve of forced expiration flow-volume.
(7) The results allowed the expediency of using laser resection techniques and Pirogov's single-row suture to be substantiated from new standpoints (standpoints of higher biological air-tightness of the anastomoses).
(8) Similarly, many pitfalls may be circumvented by the simple expedient of close collaboration between urologist and radiologist, and by the reluctance of either to accept urography that is suboptimal by current standards.
(9) The data obtained are indicative of the expediency to use biohemosorption for treatment of children with purulent septic diseases.
(10) It seems expedient to carry out further screening of different reagents and combinations thereof capable of significantly increasing HIV virus reproduction in cell cultures which would serve as the antigen for diagnostic systems.
(11) The author proposes the extrapleural-extraperitoneal access through the bed of the resected XI rib as an expedient one in most cases.
(12) When a pacing lead becomes infected, the most expedient and successful therapy is its removal.
(13) These results have evidenced the expedience of using these criteria for correct identification of leukemic cells.
(14) Although acute aortic dissection is not commonly seen at community hospitals, expedient management of such patients can have a major impact on their survival.
(15) On the ground of a research into the influence produced by the administered doses and the density of the aerosol on the therapeutic activity the expediency of employing aerosol generators based upon pneumatic atomization by using the principle of ejecting an additional volume of air, as units yielding a substantial curative effect, is demonstrated.
(16) When referred to a surgeon, a pregnant woman with a suspicious mammary mass deserves an expedient histologic diagnosis; delay may jeopardize the chances of survival.
(17) The expediency of introducing P. aeruginosa strains of different serotypes into the collection of cultures used for the production of pyocyaneum has been shown.
(18) On the basis of clinical examinations and treatment of 174 patients the authors substantiate the importance of using special and instrumental means of diagnosis as well as the expediency of exploratory laparotomy for establishing the real cause of the disease.
(19) The rule of law collapses into expediency unless judges are independent and self-confident, and the evidence of such judges in Putin's Russia are scant indeed.
(20) The clinical outcome of the injury is directly related to the expediency with which treatment is begun.