(v. t.) To extinguish; to overwhelm; to make an end of; -- said of flame and fire, of things burning, and figuratively of sensations and emotions; as, to quench flame; to quench a candle; to quench thirst, love, hate, etc.
(v. t.) To cool suddenly, as heated steel, in tempering.
(v. i.) To become extinguished; to go out; to become calm or cool.
Example Sentences:
(1) The extreme quenching of the dioxetane chemiluminescence by both microsomes and phosphatidylcholine, as a model phospholipid, implies that despite the low quantum yield (approx.
(2) The drug is extracted from serum or urine with ethyl acetate, separated by TLC, and determined by fluorescence quenching densitometry.
(3) Formation of a complex between alpha-tocopherol or its analogues in the excited state and fatty acids or their hydroperoxides has been suggested basing on the fluorescence quenching experimental data.
(4) Quenching of intrinsic fluorescence of (Ca2+-Mg2+)-ATPase by acrylamide, performed in the presence of Ca2+, gave evidence for a single class of tryptophan residues with Stern-Volmer constant (KSV) of 10 M-1.
(5) The 23Na double-quantum signal was quenched in both the extracellular and the intracellular compartments with increasing concentration of Li in each compartment, along with an increase in the 23Na T1 both intra- and extracellularly.
(6) Binding increases the fluorescence intensity of Tyr-49 by 130% while the fluorescence of the hormone tyrosine is almost completely quenched.
(7) Addition of 2,6-dimethylbenzoquinone caused quenching of these absorbance changes.
(8) These observations lead to the hypothesis that acidosis quenches fluorescence in distal skin flaps.
(9) The degree of quenching was accurately predicted by a simple relation derived in this paper, as well as a more complex equation previously developed by Tweet, et al.
(10) Subtilin may slightly enter the hydrophobic core as suggested by tryptophan fluorescence quenching and liposome fusion experiments.
(11) Greater than 99% of the polymerization reaction products were quenched by the addition of 2.0 mM ascorbate.
(12) Acoustic probe-based assays can enhance assay and laboratory efficiency through testing for multiple analytes in a single sample or increasing available binding surface area (by using probe and well surfaces simultaneously), and by eliminating quenching.
(13) The second-order rate constants appear to be at least 3 orders of magnitude lower than the second-order constants for quenching of the fluorescent probes; this is taken as a clear indication that ubiquinone diffusion is not the rate-determining step in the quinone-enzyme interaction.
(14) Accessibility to iodide was much lower, as was the rate of quenching by iodide, adding support to the conclusions from acrylamide quenching.
(15) An ATP-dependent, N-ethylmaleimide-inhibitable, 3,3',4',5-tetrachlorosalicylanilide-reversible, and chloride-attenuated quench of bis(1,3-dibutylbarbituric acid-(5] pentamethinoxonol fluorescence was seen, consistent with net transfer of positive charge into the vesicles.
(16) Quenching data indicated that five out of 22 tryptophans in CBH are surface-localized and are available for quenching with both KI and acrylamide, and three other tryptophans are buried and are available only to acrylamide.
(17) Acid quenching of a stiochiometric reaction between Ac(= S)CoA and citrate synthase following the transient quantitatively regenerates Ac(= S)CoA, indicating carbon-carbon bond formation had not yet occurred.
(18) The pulsed laser photolysis products of the charge-transfer quenching reaction were examined.
(19) The highest yield of amino acids with the quench reaction was 9 x 10-7 molecules per erg of input energy.
(20) Tris-washed chloroplast enriched in the photosystem II reaction center species Z+Q- and ZQ- are nearly four times more sensitive to nitrobenzene quenching than those enriched in Z+Q.
Quest
Definition:
(n.) The act of seeking, or looking after anything; attempt to find or obtain; search; pursuit; as, to rove in quest of game, of a lost child, of property, etc.
(n.) Request; desire; solicitation.
(n.) Those who make search or inquiry, taken collectively.
(n.) Inquest; jury of inquest.
(n.) To search for; to examine.
(v. i.) To go on a quest; to make a search; to go in pursuit; to beg.
Example Sentences:
(1) The Broken King by Philip Womack Photograph: Troika Books The Sword in the Stone begins with Wart on a "quest" to find a tutor.
(2) Alternative interpretations of these investigations, however, suggest important hypotheses for further research in our quest to understand information-processing deficits associated with schizophrenia.
(3) At the time, he described his scientific quest by gesturing to the ocean: "We're just trying to figure out who fucking lives out there."
(4) Lula responded by insisting that his government would not stray from its quest to protect the Amazon and appointed another high-profile environmentalist, Green party founder Carlos Minc, as his new minister.
(5) The American president at the time, George HW Bush, captured the mood well in his September 1990 address to Congress when he articulated his vision of a “new world order … freer from the threat of terror, stronger in the pursuit of justice, and more secure in the quest for peace”.
(6) While it is not directly related to the name issue, the plaintiffs were hoping that Abe’s quest to raise the profile of women in the workplace would help their cause.
(7) I can’t see they’d be able to ameliorate this.” Malcolm Turnbull’s quest for power leaves him at odds with the electorate | Peter Lewis Read more Xenophon said the aspects of the plebiscite that troubled him were the cost, the amount of “national oxygen” spent on the issue and its non-binding nature.
(8) There’s a lot to break down with the NCAA Tournament, what with 68 teams playing a tournament that lasts several weeks, but this FAQ should at least clear a few things up about college basketball’s month-long quest to crown a champion.
(9) The country’s post-Soviet history has been defined by two diplomatic disputes with its neighbours: a quest to get Turkey to agree that the massacre of hundreds of thousands of Armenians during the late Ottoman era constituted genocide; and the search for a political settlement to a conflict with Azerbaijan over the Nagorno-Karabakh territory .
(10) A suppression of questing activity with increased ambient temperature was evident at the highest observed temperatures, implying an upper temperature limit for this activity.
(11) Evidently fuelled by the agony of losing a series twelve months ago when the trophy was almost within their grasp, they also had the teamwork, technique and experience to turn their quest for revenge into a reality.
(12) With Ukip's clear "in-out" referendum pledge snapping at his heels and devastation beckoning at this year's European elections, Cameron needs a form of words that honours his quest for European reform while calming his party.
(13) Most ticks (99%) used grass as questing sites at a height of approximately 45 cm (range 10-97 cm), which correlates with the size of host animals.
(14) The quest for a deal in Paris is intensifying, according to Laurence Tubiana, the French ambassador for climate change, speaking during a Google hangout on Friday .
(15) In view of the results of CAST, researchers working in the field of experimental arrhythmia have been increasingly focusing on the quest for new anti-arrhythmic modes of action and ways of detecting pro-arrhythmic properties of antiarrhythmic drugs at an early stage.
(16) Here's what happened the last time these two sides played here in mid-October: Facebook Twitter Pinterest Share Share this post Facebook Twitter Pinterest close 3.27am GMT Preamble Hello, and welcome to the Western Conference semi-final second leg between Portland Timbers and Seattle Sounders , in which Portland try to defend a slim lead and Seattle continue their annual quest to make a second leg playoff comeback actually count.
(17) She put herself above everyone else.” Ultimately, Mayer failed in her impossible quest.
(18) Not because of a statistical quest to have every school an academy, but because the academy in which you work will be part of a wider family and the independence this brings creates opportunity for innovation and choice.” The Department for Education defended the changes facing primary schools.
(19) "Saturday nights are the World Cup finals for people who create TV formats – it's still the most exciting quest there is – and the premium on new ideas and the next big thing is even higher.
(20) In their quest to avoid relegation from the Premier League, Sunderland Association Football Club have appointed a self-declared fascist as manager .