(v. t.) Of no importance; answering no useful end; useless; vain; worthless.
Example Sentences:
(1) It is suggested the participation of glycogen (starch) in the self-oscillatory mechanism of the futile cycle formed by the phosphofructokinase and fructose bisphosphatase reactions may give rise to oscillations with the period of 10(3)-10(4) min, which may serve as the basis for the cell clock.
(2) It also appears that she would have been one of those behind the government's futile attempts to oppose restrictions on neonicotinoids.
(3) Every time he felt the futility of his work for the NAACP, he’d finger the well-worn pages, and it would strengthen his resolve.” This is how classics of this calibre work their way into the literary bloodstream.
(4) Representing the Sun in the second hearing, Richard Spearman QC told the court that keeping the privacy injunction in place was futile.
(5) We propose that when rationing criteria refer to medical benefit, the meanings of futility and rationing share certain common features.
(6) So we have futile rhetoric on immigration, but minimal discussion over how to reinvent politics in the digital age.
(7) Last week’s International Women’s Day offered a fresh variation on that enjoyable, if futile, new pastime – posthumous EU partisanship.
(8) Inhibition of this futile cycling may represent one avenue by which energetic costs of maintenance and production can be lowered in ruminants.
(9) We postulated that the high-affinity potassium uptake system was able to generate such a steep gradient across the membrane that the low-affinity system would act in reverse, thus creating a futile cycle of potassium ions at the cost of energy.
(10) Zuckerberg has long been courting China’s leaders in a so far futile attempt to access the country with the world’s largest number of Internet users — 668 million as of last year.
(11) In 1986, while serving as prime minister and foreign minister, Peres held negotiations that led to the London agreement, the ultimately futile peace accord that included Israeli-Jordanian cooperation in administrating the West Bank.
(12) Futile cardiopulmonary resuscitation (CPR) may prevent humane care of the dying child and deprive parents of the opportunity to express their love, grief, and dedication at a critical moment, while appropriate and successful CPR may restore intact their child.
(13) Of the 8 women who had futile laparotomies, 4 had unilateral salpingectomy and a contralateral Pomeroy ligation, but insufficient tube remained for reversal; 2 others had single-burn cautery, but had insufficient tube length, and the Pomeroy procedures in 2 others left insufficient distal tissue.
(14) Furthermore, addition of low concentrations of PAPS (0.5 microM) to a reconstituted system of microsomes and cytosol impaired the formation of fluorescent product from 4-methylumbelliferyl sulfate until PAPS was consumed, indicating that futile cycling via arylsulfatase and sulfotransferase occurred.
(15) However, the early stages are often missed or lead to futile diagnostic endeavours.
(16) Ignoring personal ghosts, or those of an entire country traumatised by war and genocide, is futile and even dangerous.
(17) Rationing, triage, and medical futility in relation to AIDS patients require careful deliberation and consideration.
(18) It’s idealistic, it’s the right thing to do even if it turns out to be utterly futile.
(19) These unusual kinetic properties may be of significance with regard to the regulation of ornithine transcarbamylase in this organism, especially in the avoidance of a futile ornithine cycle.
(20) Iceland This strange and beautiful country is now as flooded with satellite trash as everywhere else, but is listed in the futile hope that the suppression it once practised might be revived.
Rutile
Definition:
(n.) A mineral usually of a reddish brown color, and brilliant metallic adamantine luster, occurring in tetragonal crystals. In composition it is titanium dioxide, like octahedrite and brookite.
Example Sentences:
(1) Anatase and rutile are titanium dioxides (TiO2) with different crystal lattices.
(2) The hydrogen bonding ability of the surfaces of these rutiles were compared with inert rutile and quartz.
(3) Only two, both synthetic rutiles, were found to be active.
(4) These results suggested that perovskite and rutile existed at the interface between hydroxyapatite and titanium after plasma-spraying and made hydroxyapatite to bond tightly to the titanium.
(5) Biological studies of two titanium dioxide polymorphs, rutile and anatase, have produced conflicting results.
(6) The binding properties of the active rutile have been found to be consistent with those properties associated with biologically active quartz.
(7) Rutile samples containing trace amounts of nickel or chromium had an activity similar to that of pure rutile.
(8) An average of 613 million particles, of exogenous origin, per gram of dry lung tissue were found, the major classes of particles being silica, talc, aluminum silicates, and rutile.
(9) We exposed rats to an aerosol of either anatase or rutile and determined the TiO2 retention in the lung up to 132 days post exposure.
(10) The surface properties of rutile are the determinants of its activity.
(11) The other more boxlike crystals (coesite, anatase, and rutile) displayed little change in these parameters.
(12) The crystals studied were quartz, tridymite, cristobalite, coesite, anatase, and rutile.
(13) The evidence suggests that both anatase and rutile are "nuisance" dusts.
(14) Rutile and anatase induced similar effects, and both had a very low biological activity in comparison to alpha-quartz.
(15) The biological reactivity of two crystalline forms of titanium dioxide, rutile and anatase, has been compared in in vitro and in vivo assays.
(16) Titanium dioxide-polymethacrylate composites were prepared with triethyleneglycol dimethacrylate (TEGDMA), 1,6-bis(methacryloxy-2-ethoxycarbonylamino)-2,4,4-trimeth ylexane (UDMA) and rutile structure titanium dioxide.
(17) It has been reported that rutile can be considered "inert".
(18) Here we describe an XAS study of divalent cobalt (Co(II)) complexes sorbed on three different solids, gamma-Al2O3, rutile (TiO2) and kaolinite (Al2Si2O5(OH)4).
(19) Because natural and synthetic rutiles possess different surface properties, they display different activities.
(20) Pure rutile or anatase preparations show only a weak chemiluminescent response.