(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.
Perpetrator
Definition:
(n.) One who perpetrates; esp., one who commits an offense or crime.
Example Sentences:
(1) The psychiatric experts classified 11 of the perpetrators as "normal," 3 as abnormal, and 2 as psychotic.
(2) Apnea monitoring did not prevent, and in fact perpetrated the illusion of SIDS in this infant.
(3) The committee's findings include that the attacks were not extensively planned by the perpetrators; the intelligence community did a good job of warning about the risk of an attack but a bad job of summarizing the attack when it happened; the state department screwed up by not beefing up security at the mission; nobody blocked any military response; and that the Obama administration was slow to produce a paper trail but was generally not a sinister actor in the episode.
(4) Let us be clear: these children are victims, not perpetrators,” he said.
(5) The perpetrator was either a relative or a "trusted other" in 97.2% of sexual abuse cases.
(6) Reports of violence associated with delusional misidentification are reviewed and four patients described who were either perpetrators or victims of assaults as a consequence of the syndromes of Frégoli, Intermetamorphosis, Subjective Doubles and Capgras.
(7) At least half of the perpetrators in 100 rampages studied by the New York Times were found to have signs of serious mental health issues, and it was reported last week that Adam Lanza's mother was in the process of having him committed when he embarked on the Newtown rampage.
(8) Even when things are taken more seriously, harassers are generally allowed to leave quietly, which enables them to move some place else and do the same thing.” Many of the women who made complaints to their institutions said they felt they were the ones on trial, while alleged perpetrators were often protected by management who feared losing a star researcher and their funding.
(9) Violence appears to mobilise people against the perpetrators, the study found.
(10) The court itself concluded that 'torture is perpetrated systematically by the General Intelligence Directorate'.
(11) For me, this is what needs to change - we need a cultural shift in our attitudes and behaviours and that needs to see all of us standing up and calling out harassment and misogyny, whether it is in the street or the workplace, to erode that normalisation that makes perpetrators feel safe doing it again and again.
(12) After her release, she confirmed that she had been pressured by threats and menaces to confess to criminal acts that she had never perpetrated.
(13) It says family violence involves partners, siblings, parents, children and distant family members, yet the state’s approach “responds almost exclusively to adult female victims (and dependent children) and adult male perpetrators ...
(14) Facebook Twitter Pinterest Britain needs to talk about the R-word: racism It is also a wakeup call to those who recognise racism only when it is played out like a scene from Django Unchained , those who think that racism has to be some vulgar incident perpetrated only by the backward, ignorant and poorly educated, those who believe that racism has to be an act, rather than a complicated and intangible framework that sets up obstacles.
(15) A disproportionate number of those who are victims and perpetrators of knife crime are African-Caribbean.
(16) The DSM-III diagnoses made on discharge were not related to presence of abuse, age of abuse onset, duration and frequency of abuse, or relationship of the victim to the perpetrator.
(17) The reality is the perpetrators of these crimes are overwhelmingly men.
(18) They only have to hear the voice of the perpetrator and they’re in this dissociative state,” Miller said.
(19) It explains the failure to unearth evidence of assassination: because state-appointed aviation experts conducted the investigation, their conclusion that it had been an accident proves that the state remains in the hands of the perpetrators (Law and Justice defence minister Antoni Macierewicz described their investigation as the greatest cover-up “in the history of the world”).
(20) Using a definition under which adolescent relationship abuse can occur in person or through electronic means, in public or private, and between current or past dating partners , the survey estimates that 25 million US adolescents are victims and nearly 23 million are perpetrators.