(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.
Custodian
Definition:
(n.) One who has care or custody, as of some public building; a keeper or superintendent.
Example Sentences:
(1) Like a reforming editor, he needs to convince people that his changes are designed to strengthen, not undermine, the inestimably valuable tradition of which he has the privilege to be the temporary custodian.
(2) Today's children are tomorrow's custodians of nature."
(3) Just as Labour learned (and then unlearned) that economic credibility is a precondition of electoral victory, so the Tories grasped that they must be trusted as custodians of public services.
(4) It would be a custodian for the atmosphere and biological diversity, areas in which all humanity has a stake.
(5) A 48-year-old male custodian and part-time gardener was hospitalized for treatment of renal tuberculosis.
(6) She just gave them the opportunity to argue their case.” Habeas corpus petitions are used, in theory, to fight unlawful imprisonment by forcing a custodian to prove they have legal cause to detain someone.
(7) When Mubarak took office in the early 1980s, the Egyptian state remained as undemocratic as ever; by now, though, its operation was less concerned with delivering material security to its population and more with carving up social assets for the financial benefit of its custodians.
(8) He praised the proposal by the Jordanian king, the custodian of the al-Aqsa compound, for 24-hour video surveillance at the site and said Netanyahu had agreed to “an excellent suggestion”.
(9) The late Peter Porter called his fellow countryman "the custodian of Australia's soul".
(10) "Chiefs are important as custodians of tradition," says Jok, who is now serving as an under-secretary in the Southern government's Ministry of Culture.
(11) The state's prosecution team, led by assistant state attorney Bernie de la Rionda, will attempt to portray Zimmerman, 29, as an overzealous, self-appointed custodian of his gated community who pursued, confronted, then shot a black youth in a hoodie whom he assumed was up to no good.
(12) The NSW Liberal Party and four of its associated entities – Bunori Pty Ltd, Dame Pattie Menzies Foundation, Liberal Asset Management (Custodians) Ltd and Liberal Properties Limited – also attempted to suppress the reviews.
(13) So on Australia Day, we honour the ancestors who were custodians of this ancient continent; we pay tribute to our forefathers who enshrined freedom, fairness and unity in Australia’s constitution; and we reaffirm our commitment to make this country of ours a beacon of hope and optimism in an uncertain world,” Abbott said.
(14) The move infuriated Jordanian King Abdullah, who is custodian of the sacred compound that also houses the Dome of the Rock mosque.
(15) But where was Cipfa, once the custodian of best practice in public sector budgeting?
(16) We need to rebuild the reputation of banks and bankers as trusted custodians of people's money, giving objective, impartial advice untainted by opportunities for personal gain, and at the same time make banking transactions as frictionless as possible.
(17) Mr Turnbull’s decision now means there have been more defence ministers in Australia than prime ministers in the last three years.” Andrews urged Turnbull to continue the Liberal party’s “broad church”, which he said was custodian to Liberal and conservative traditions.
(18) I am a custodian at the minute and owners are also custodians; the one thing that remains interested in a football club is, of course, the fans.
(19) We were all watching; we had a custodian in the corner who was watching.
(20) Abbott added: “We are all conservationists, we are all utterly committed to protecting this priceless environmental asset of which we are today’s custodians.