(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.
Utile
Definition:
(v. t.) Profitable; useful.
Example Sentences:
(1) By presenting the case history of a man who successively developed facial and trigeminal neural dysfunction after Mohs chemosurgery of a PCSCC, this paper documents histologically the occurrence of such neural invasion, and illustrates the utility of gadolinium-enhanced magnetic resonance scanning in patient management.
(2) Philip Shaw, chief economist at broker Investec, expects CPI to hit 5.1%, just shy of the 5.2% reached in September 2008, as the utility hikes alone add 0.4% to inflation.
(3) Estimates of the risk probability for each dose level and sacrifice time are found utilizing the sample likelihood as the posterior density.
(4) Irradiation of stored red blood cells (RBC) is increasingly utilized for patients who are immunosuppressed or on chemotherapeutic regimens.
(5) The approach was to determine the relative importance of predisposing, enabling, and medical need factors in explaining utilization rates among younger and older enrollees of an HMO.
(6) Utilizing a range of operative Michaelis-Menten parameters that characterize phenytoin elimination via a single capacity-limited pathway, a situation assuming instantaneous absorption (case I) is compared with the situation in which continuous constant-rate absorption occurs (case II).
(7) Decreased synthesis rather than increased utilization accounted for the nucleoside effect.
(8) The authors present the first results on the utilization of fish infusion (IFP) as a basic medium for the cultivation of bacteria.
(9) The durable power of attorney concept, though not free of problems, appears more likely to be of practical utility.
(10) Parallel studies in vivo were carried out to determine the contribution of the phosphatidylserine decarboxylase pathway, relative to pathways utilizing ethanolamine directly, to the synthesis of brain ethanolamine glycerophospholipids.
(11) Cadavers have a multitude of possible uses--from the harvesting of organs, to medical education, to automotive safety testing--and yet their actual utilization arouses profound aversion no matter how altruistic and beneficial the motivation.
(12) Utilization of inert materials like teflon, makrolon, and stainless steel warrants experimental and possibly clinical application of the developed small constrictor.
(13) Several aminoacyl-tRNA synthetases are herein shown to catalyze the AMP----ADP and ADP----ATP exchange reactions (in the absence of tRNAs) by utilizing a transfer of the gamma-phosphate of ATP to reactive AMP and ADP intermediates that are probably the mixed anhydrides of the nucleotide and the corresponding amino acid.
(14) Superior results have been achieved utilizing alternative regimens that include VP-16, the most effective new agent.
(15) Utilization of the immunoglobulin system is based upon the supposition that in lymphoid neoplasms with clonal origin either all or none of the tumor cells should have surface-associated IgM and kappa-reactivities.
(16) The total amount of variance explained in the frequency of utilization (47%) exceeded that explained by other studies of utilization of various health services by the elderly.
(17) Ketanserin is a specific S2 serotonergic receptor blocker with possible adrenergic blocking activities that has clinical utility in the treatment of hypertension.
(18) In this study, protein efficiency ratio and net protein utilization together with the kinetic estimates of protein turnover were used to compare the effect of different protein and fat sources in healthy rats.
(19) Although this operational classification does not produce etiologically homogeneous groups, it is believed to have pragmatic utility with respect to planning targeted surveillance and management strategies.
(20) The results of our utilization review were conveyed to local hospitals and the blood supplier in an effort to preserved donor blood.