(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.
Doer
Definition:
(v. t. & i.) One who does; one performs or executes; one who is wont and ready to act; an actor; an agent.
(v. t. & i.) An agent or attorney; a factor.
Example Sentences:
(1) The accompanying articles (Saffen, D.W., Presper, K.A., Doering, T.L., and Roseman, S. (1987) J. Biol.
(2) He added: "South Africa has to stop feeling sorry for itself and be doers instead of talkers.
(3) The documents contained an undated “personal message” from Trump to new enrollees at the school: “Only doers get rich.
(4) Results indicate that when the harm-doers apologized, as opposed to when they did not, the victim-subjects refrained from severe aggression against them.
(5) This weekend the very accomplished Rona Fairhead, former FT chief executive and now the government’s choice to be the new chair of the BBC Trust, was described namelessly in a Telegraph headline as “mother of three.” It was decidedly reminiscent of that Sunday Times front page headline in April, “Grandmother, 71, tackles slave traffickers for the Pope” , sparking condescending mental images of a sweet little ol’ granny pummelling evil-doers with her cane.
(6) The chancellor made his pitch for Britain's greying vote in a package for "makers, doers and savers" designed to complete the repair job after the deepest recession of the modern era, warning that cuts would continue long into the next parliament.
(7) Once, Whitehall might have looked to local government for a "doer".
(8) The nucleotide sequence of Escherichia coli ptsI indicates four -SH residues per subunit (Saffen, D. W., Presper, K. A., Doering, T. L., and Roseman, S. (1987) J. Biol.
(9) I’m a doer, not a talker,” Bush said at an event in Wolfeboro, reviving digs he has taken at senators for spending more time delivering floor speeches than passing meaningful legislation.
(10) Situation attributions were preferred when the harm-doer was white, and person (dispositional) attributions were preferred in the black-protagonist conditions.
(11) Barnett said it was “yet to be determined” whether online advocates of these acts were “the doers … or they’re just the keyboard activists who light a fuse under somebody else”.
(12) This will be a meeting of "doers", men and women willing to fight the Obama administration and its perceived attack on US free enterprise and unfettered wealth.
(13) (“He says he is the thinker, and I am the doer,” Regina told me later.
(14) To help with this some personal budget users, frustrated by the talk of people who don't know enough about what it is really like, have formed the Doers Club.
(15) Finally, three of the last 25 prizes have gone to what could be termed doers of good works, like the micro-finance pioneer Muhammad Yunus in 2006 .
(16) Parking is near the elegiac ruins of Tintern Abbey, and from there one embarks upon a digestible but heart thumping climb up to the Devil's Pulpit, a rocky outcrop, affording fantastic views, where the evil doer himself supposedly used to preach temptation to the industrious monks scurrying below.
(17) The delightful triumph of the "doers" in Rehn's suture of a stab wound and Souttar's intracardiac mitral valve manipulations is saluted.
(18) I'm an energetic doer, and should be a sales rep just like Donald Trump, Eddie Murphy, Bruce Willis, Madonna or Jack Nicholson.
(19) Hezza is a (mildly dyslexic) doer, not a thinker, but he understands the restless dynamic of capitalism and is not naive about its weaknesses.
(20) We have a prime minister who first, believes in climate change and, secondly, is a doer.