(n.) The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities.
Example Sentences:
(1) Tryptic digestion of the membranes caused complete disappearance of the binding activity, but heat-treatment for 5 min at 70 degrees C caused only 40% loss of activity.
(2) A study revealed that the percentage of active sperm in semen 30 seconds after ejaculation was 10.3% when a nonoxynol 9 latex condom was used as opposed to 55.9% in a nonspermicidal condom.
(3) The most actively proliferating region of the excurrent duct system is zone 3 of the epididymis, whereas the least active region is the ductuli efferentes.
(4) Spectral analysis of spontaneous heart rate fluctuations, a powerful noninvasive tool for quantifying autonomic nervous system activity, was assessed in Xenopus Laevis, intact or spinalized, at different temperatures and by use of pharmacological tools.
(5) Activity of Na,K-ATPase activity was measured as a functional marker for synaptosomal membranes.
(6) The antiarrhythmic activity similar to that of quinidine (with ca.
(7) The microsomal preparations from untreated Syrian golden hamster livers exhibited higher activities of N-demethylation towards the macrolide antibiotics, erythromycin and troleandomycin, than those from untreated and phenobarbital-treated rats.
(8) Patient plasma samples demonstrated evidence of marked complement activation, with 3-fold elevations of C3a desArg concentrations by the 8th day of therapy.
(9) After stimulation with lipopolysaccharide and calcium ionophore A23187, culture supernatants of clones c18A and c29A showed cytotoxic activity against human melanoma A375 Met-Mix and other cell lines which were resistant to the tumor necrosis factor, lymphotoxin and interleukin 1.
(10) Phospholipid methylation in human EGMs is distinctly different from that in rat EGMs (Hirata and Axelrod 1980) in that the human activity is not Mg++-dependent, and apparent methyltransferase I activity is located in the external membrane surface.
(11) Increased plasmin activity was associated with advancing stage of lactation and older cows after appropriate adjustments were made for the effects of milk yield and SCC.
(12) Arachidic acid was without effect, while linoleic acid and linolenic acid were (on a concentration basis) at least 5-times less active than arachidonic acid.
(13) Following in vitro C activation in NHS by delta IgG, the 40 KD C4d component increased markedly.
(14) One hour after direct mechanical cardiomassage (DMCM) a moderately pronounced edema of the intercellular spaces in the basal compartment of the seminiferous epithelium, normal content of lactate and succinate dehydrogenases, and a certain decrease in the activity of glucose-6-phosphate dehydrogenases and NAD- and NADP-diaphorases were noted.
(15) We conclude that first-transit and blood-pool techniques are equally accurate methods for determining EF when the time-activity method of analysis is employed.
(16) This difference was not due to ATPase activity in the assay.
(17) In the surface epithelial cells, the basolateral cell surface showed moderate enzymatic activity.
(18) Both the vitellogenesis and the GtH cell activity are restored in the fish exposed to short photoperiod if it is followed by a long photoperiod.
(19) It was shown in experiments on four dogs by the conditioned method that the period of recovery of conditioned activity after one hour ether anaesthesia tested 7 to 7.5 days.
(20) Together these results suggest that IVC may operate as a selective activator of calpain both in the cytosol and at the membrane level; in the latter case in synergism with the activation induced by association of the proteinase to the cell membrane.
Fruitless
Definition:
(a.) Lacking, or not bearing, fruit; barren; destitute of offspring; as, a fruitless tree or shrub; a fruitless marriage.
(a.) Productive of no advantage or good effect; vain; idle; useless; unprofitable; as, a fruitless attempt; a fruitless controversy.
Example Sentences:
(1) It is generally agreed upon that ERT is fruitless in the patient with severe head trauma or when vital signs were absent at the scene of the injury.
(2) Gone would be the system of semi-competition, of backroom bundles that force you to pay for channels and programming you wouldn't watch – even if it was the only thing available, like when you turn off the TV after a long, fruitless Netflix scroll.
(3) Her support dissipated in a fruitless search for a site.
(4) Both sides, wearied by decades of fruitless diplomacy, cautioned that an initial meeting – scheduled for the "next week or so" in Washington, according to Kerry – will not automatically lead to productive negotiations.
(5) That will not be the case this week when trade ministers from 159 countries meet in Bali in the hopes of salvaging something from 12 years of so far fruitless talks.
(6) Once when I was fruitlessly engaged on this bag non-opening, someone came up to me, and I barked: “I can do it myself thank you.” He was just collecting the umbrella he’d left behind.
(7) "Gnnmph, I can't 'ave it 'ere, I 'aven't 'ad my enema," wails a labouring housewife, straining fruitlessly on a communal tenement bog as horrified neighbours look on in their rollers.
(8) We seem to spend time protesting loudly and fruitlessly about the actions of our enemies – whom we are actually unable to influence – while standing by as our so-called “friends” get away with officially sanctioned crimes, torture and injustice.
(9) Smears made from purulent discharges do not always show the organism and microbiological culture may likewise prove fruitless.
(10) Duped by Mexico’s mafia: Guatemalan couple fall victim to border gang Read more After four years of fruitless appeals she entered the church on 7 August to escape a final deportation order that took effect the following day.
(11) But I can help you.” “We can help you shave off a couple years of fruitless effort,” Susie added.
(12) In a statement that contained little contrition for putting investors, staff and customers through a fruitless two weeks, Duch-Pedersen insisted that shareholders were continuing to "express their overwhelming support for the standalone G4S business and its management".
(13) Efforts at reducing demand have been similarly fruitless.
(14) The project faces huge opposition from Greenpeace and other environmental groups that hoped the company would end its search for oil, which has so far been fruitless.
(15) The petitions, banners, town hall meetings and political visits proved to be fruitless.
(16) To date fruitless efforts have been carried out to find a cryoprotectant for the spermatozoa membranes and glycerol still continues to be used despite its harmful effects to the membranes.
(17) And I sort of thought I'd bought my freedom in that way") and hitchhiked through Europe, looking, fruitlessly, for an idea of what to do.
(18) He said there had been “more than 300 violations” of the truce since last weekend, when it was supposed to begin, and warned that the EU is “reaching a point when further diplomatic efforts will be fruitless unless credibly backed up by further action”.
(19) A 41-year-old man suffering from an actinomyces infection of the cornea of his right eye, was treated unsuccessfully with antibiotics especially intensive local and systematic therapy with penicillin, paracentesis of the anterior chamber with penicillin irrigation, and cautery of the corneal ulcer were fruitless.
(20) Much of the money has been squandered on a fruitless search for cancer "cures."