(n.) Anything that separates or cuts off inconvenience, injury, or danger; that which shelters or conceals from view; a shield or protection; as, a fire screen.
(n.) A dwarf wall or partition carried up to a certain height for separation and protection, as in a church, to separate the aisle from the choir, or the like.
(n.) A surface, as that afforded by a curtain, sheet, wall, etc., upon which an image, as a picture, is thrown by a magic lantern, solar microscope, etc.
(n.) A long, coarse riddle or sieve, sometimes a revolving perforated cylinder, used to separate the coarser from the finer parts, as of coal, sand, gravel, and the like.
(v. t.) To provide with a shelter or means of concealment; to separate or cut off from inconvenience, injury, or danger; to shelter; to protect; to protect by hiding; to conceal; as, fruits screened from cold winds by a forest or hill.
(v. t.) To pass, as coal, gravel, ashes, etc., through a screen in order to separate the coarse from the fine, or the worthless from the valuable; to sift.
Example Sentences:
(1) An automated continuous flow sample cleanup system intended for rapid screening of foods for pesticide residues in fresh and processed vegetables has been developed.
(2) Simplicity, high capacity, low cost and label stability, combined with relatively high clinical sensitivity make the method suitable for cost effective screening of large numbers of samples.
(3) It is suggested that the results indicate the need for full haematological screening of all patients with recurrent aphthae.
(4) Plain radiographs should be the initial screening modality for a suspected foreign body.
(5) I hope this movement will continue and spread for it has within itself the power to stand up to fascism, be victorious in the face of extremism and say no to oppressive political powers everywhere.” Appearing via videolink from Tehran, and joined by London mayor Sadiq Khan and Palme d’Or winner Mike Leigh, Farhadi said: “We are all citizens of the world and I will endeavour to protect and spread this unity.” The London screening of The Salesman on Sunday evening wasintended to be a show of unity and strength against Trump’s travel ban, which attempted to block arrivals in the US from seven predominantly Muslim countries: Iran, Iraq, Libya, Sudan, Somalia, Syria and Yemen.
(6) The sensitivity of an indirect fluorescent antibody (IFA) test (screening test) for the detection of antibodies to cytomegalovirus (CMV) was examined by using 128 serum specimens and quaternary aminoethyl (QAE)-Sephadex A50 column chromatography to separate IgM from IgG class antibodies.
(7) A cDNA library prepared from human placenta has been screened for sequences coding for factor XIIIa, the enzymatically active subunit of the factor XIII complex that stabilizes blood clots through crosslinking of fibrin molecules.
(8) This study examines the costs of screening patients for alcohol problems.
(9) The screening of blood products for HTLV-1 is of minor importance.
(10) The high participation percentage also shows that the prerequisite of screening, namely, a positive attitude on the part of the population, was as well fulfilled in the present project.
(11) Eighty-four paraplegic patients whose injury level was T2 or below and who were at least one year from spinal cord injury were screened for upper extremity complaints.
(12) The results indicated that 48% of the sample either regularly checked their own skin or had it checked by another person (such as a spouse), and 17% had been screened by a general practitioner in the preceding 12 months.
(13) A newborn presenting with persistent umbilical stump bleeding should be screened for factor XIII deficiency when routine coagulation tests prove normal.
(14) From 1983 to 1986 more than 2000 non-penicillinase producing Neisseria gonorrhoeae from Amsterdam, The Hague and Rotterdam were auxotyped and screened for susceptibility to 10 antibiotics by MIC determination.
(15) Improvement of its particularly poor prognosis requires therefore early screening based on reliable biological markers.
(16) A study was conducted to determine the usefulness of self-screening of blood pressure in families as part of a school health care programme, and to study the relationship between BP and sodium excretion in school children.
(17) We have isolated a murine cDNA clone, pCAL-F559, for the calcium-binding protein calcyclin by differential screening of a cDNA library made from RNA isolated from hair follicles of 6-d-old mice.
(18) Short-forms of Wechsler intelligence tests have abounded in the literature and have been recommended for use as screening instruments in clinical and research settings.
(19) Noise exposure and demographic data applicable to the United States, and procedures for predicting noise-induced permanent threshold shift (NIPTS) and nosocusis, were used to account for some 8.7 dB of the 13.4 dB average difference between the hearing levels at high frequencies for otologically and noise screened versus unscreened male ears; (this average difference is for the average of the hearing levels at 3000, 4000, and 6000 Hz, average for the 10th, 50th, and 90th percentiles, and ages 20-65 years).
(20) It appears that there exist similarities between rats and mice and that these models may be used for screening tests of hypolipidemic drugs.
Sieve
Definition:
(n.) A utensil for separating the finer and coarser parts of a pulverized or granulated substance from each other. It consist of a vessel, usually shallow, with the bottom perforated, or made of hair, wire, or the like, woven in meshes.
(n.) A kind of coarse basket.
Example Sentences:
(1) The test is based on the ability of larvae to freely migrate through selected mesh sizes of nylon sieves and the reduced ability of larvae to migrate after preincubation with, and in the presence of, substances that inhibit or reduce larval motility.
(2) The described procedure has the advantage of not requiring either molecular sieve or affinity chromatography for purification of homogenous CRP from human sera.
(3) When the capacitation medium was supplemented with follicular fluid, the [3H]sterols were bound to HDL's and to the albumin fraction; when the latter fraction was analysed by molecular sieve chromatography, 60-70% of the radioactivity eluted in fractions with a mean molecular weight corresponding to that of human serum albumin.
(4) When deformability was measured by filtration through 3-mum polycarbonate sieves, marked decreases in deformability were found in complement-coated erythrocytes.
(5) Rat liver cathepsin D (EC 3.4.23.5) was purified using precipitation technique, ion exchange chromatography, molecular sieve chromatography and isoelectric focusing.
(6) Analysis of the CNBr peptides on an HPLC sieving column confirmed that the electrophoretically abnormal peptides were of a higher molecular weight than were control peptides.
(7) The half-life of the solubilized oxidoreductase stored at 2-4 degrees C in the presence of 25% glycerol at pH 8.6 is approximately 30 h. The oxidoreductase contains a flavoprotein identifiable by its fluorescence spectrum for FAD which binds weakly to concanavalin A-Sepharose and elutes from gel sieving columns at a molecular weight range of approximately 51,000.
(8) passing through a 1.18 mm sieve during wet sieving) from the reticulo-rumen were negatively related to dimensions of particles, with greater ease of outflow for legume than for grass particles of the same length or diameter.
(9) Its molecular weight, determined by molecular sieving, was close to 36 kDa.
(10) The degree of fragmentation was judged first by eye during the experiment and then by both microscopy and sieving of the debris.
(11) Further purification of the 50K collagen by molecular sieve and high-performance liquid chromatography resulted in the isolation of two-non-disulfide-bonded polypeptides, 50K-A and 50K-B, which were susceptible to several neutral proteases, including bacterial collagenase.
(12) To demonstrate this point, the assay was applied to the protein fractions recovered from a molecular sieve column.
(13) The sieving of chylomicrons, remnants and other lipoproteins by the sinusoidal endothelium of the liver may thus play an important role in lipid transport, affecting the balance of various lipoprotein moieties which in turn may affect the relationship of dietary lipids to various hyperlipidaemias and atherosclerosis.
(14) Porcine cerebral microvessels were isolated by differential sieving and centrifugation and were characterized by microscopic examination and marker enzyme enrichment (gamma-glutamyltransferase; EC 2.3.2.2).
(15) Dextran sieving studies were performed before and after intravenous administration of indomethacin to control rats and to nephritic rats with heavy proteinuria.
(16) Cells dissociated by trypsinization and sieving are metabolically more active than cells separated mechanically (sieving only).
(17) Mannitol infusion resulted in a significant increase in urine volume and fractional excretion of sodium, but glomerular filtration rate, albumin excretion rate, and the sieving coefficient for albumin remained stable.
(18) The flours are strained through a 425 microns sieve, then pelletized and measured.
(19) The Mr of agarase IIb was 63 000 as determined by analytical ultra-centrifugation, polyacrylamide gel electrophoresis in sodium dodecyl sulphate and molecular sieve chromatography on Sepharose 4B in 6M Gdn-HCl.
(20) The IL-1 induced chondrocyte PLA2 has a molecular weight of approximately 10 kDa, as determined by molecular sieve G75 column chromatography.