(v. t.) To discolor by the application of foreign matter; to make foul; to spot; as, to stain the hand with dye; armor stained with blood.
(v. t.) To color, as wood, glass, paper, cloth, or the like, by processess affecting, chemically or otherwise, the material itself; to tinge with a color or colors combining with, or penetrating, the substance; to dye; as, to stain wood with acids, colored washes, paint rubbed in, etc.; to stain glass.
(v. t.) To spot with guilt or infamy; to bring reproach on; to blot; to soil; to tarnish.
(v. t.) To cause to seem inferior or soiled by comparison.
(v. i.) To give or receive a stain; to grow dim.
(n.) A discoloration by foreign matter; a spot; as, a stain on a garment or cloth.
(n.) A natural spot of a color different from the gound.
(n.) Taint of guilt; tarnish; disgrace; reproach.
(n.) Cause of reproach; shame.
(n.) A tincture; a tinge.
Example Sentences:
(1) The patterns observed were: clusters of granules related to the cell membrane; positive staining localized to portions of the cell membrane, and, less commonly, the whole cell circumference.
(2) Within the outflow tract wall, the labelled cells were enmeshed by strands of alcian blue-stained extracellular matrix.
(3) The nuclear origin of the Ha antigen was confirmed by the speckled nuclear immunofluorescence staining pattern given by purified antibody to Ha obtained from a specific immune precipitate.
(4) The content of the cavities was not stained by any of the immunocytochemical reactions applied.
(5) The dependence of fluorescence polarization of stained nerve fibres on the angle between the fibre axis and electrical vector of exciting light (azimuth characteristics) has been considered.
(6) Moreover, in DCVC-treated cells the mitochondria could not be stained with rhodamine-123, indicating severe mitochondrial damage and loss of membrane potential.
(7) Immunofluorescent staining for HLA-DR showed dermal positivity in 12 of 13 involved- and 9 of 13 uninvolved-skin biopsy specimens from scleroderma patients, compared with only 1 of 10 controls.
(8) From these results it was concluded that FITC-Con A staining method applied to smear specimens is more advantageous in the rapidity and the simplicity for tumor cell diagnosis than section specimen method.
(9) Further purification of ZAB by filtration through Sephadex G-100 gave a preparation (ZAB2) which contained the common antigen as shown by the cross-reactivity of anti-ZAB2 rat serum with seven stains of N. gonorrhoeae.
(10) It has been found that the epidermal staining pattern for ICAM-1 in each of these diseases in distinctive and different in each disease.
(11) After either 5 or 10 days of culture with both cytokines, intense immunofluorescent staining for Ia could be identified on the surface of greater than 80-90% of the viable islet cells.
(12) In the second comparison, HSV was isolated from 225 of 1,026 (21.9%) specimens and duplicate human foreskin fibroblast cell wells stained at 24 and 72 h were PAP positive in 241 of 1,026 (23.5%).
(13) The epithelium of Brunner's gland stained intensely with Ricinus communis agglutinin-I (RCA-I), succinylated-WGA (S-WGA) and wheat-germ agglutinin (WGA), moderately with Bandeirea simplicifolia agglutinin-I (BS-I), Concanavalia ensiformis agglutinin (Con A) peanut agglutinin (PNA) and Ulex europaeus agglutinin-I (UEA-I) and occasionally with Dolichos biflorus agglutinin (DBA), Lens culinaris agglutinin (LCA) and soybean agglutinin (SBA).
(14) Using serial section electron microscopic reconstructions as a reference, we have chosen as our standard procedure a method that maximizes both the preservation of the cytoskeleton and the proportion of cells staining, while minimizing the degree of nonspecific staining.
(15) One major band with a molecular weight of 12,000 was detected by autofluorography and coincided with the Coomassie staining band of apocytochrome c from S. cerevisiae.
(16) Pitlike surface structures seen in negatively stained whole cells and thin sections were correlated with periodically spaced perforations of the rigid sacculus.
(17) In the present study, 125 oesophageal biopsies obtained under direct vision at endoscopy from 22 patients with Barrett's oesophagus were systematically studied using fluorescence and peroxidase antiperoxidase single and double-staining immunocytochemical methods employing highly specific antibodies to localize the following peptide-containing cell types in Barrett's mucosa: gastrin, somatostatin, gastric inhibitory polypeptide, motilin, neurotensin and pancreatic glucagon.
(18) The rate of nuclei stained by Pr-122 is different from that of Pr-192 in both growing and quiescent cultures.
(19) This light microscopic comparison of viable FDA- and nonviable PI-stained cysts of G. muris demonstrates that 2 types of cysts can be distinguished and implies that structural differences can be used to identify these subpopulations of cysts.
(20) Benign and malignant epithelial and soft tissue tumors of the skin were usually negatively stained with MoAb HMSA-2.
Staircase
Definition:
(n.) A flight of stairs with their supporting framework, casing, balusters, etc.
Example Sentences:
(1) In guinea pig ventricular myocytes, the positive contractile staircase was associated with ascending staircases of both peak systolic and end diastolic [Ca2+]i because of a cumulative increase in diastolic [Ca2+]i.
(2) An unidentified Moscow police official told the Interfax news agency that the group used “an internal staircase” to reach the top floor of the building and then used “special equipment” to reach its spire.
(3) Narrow paths weave among moss-covered ornate arches and towers on the 80-acre site, and huge abstract sculptures and staircases lead nowhere, but up to the sky.
(4) It even had carved oak bears as newel posts on its modest staircase.
(5) This report describes an inexpensive ramp generator which produces multiple ramp-and-hold stimuli ("staircase-type" wave forms).
(6) Ibotenate lesioned rats, despite having larger lesions than the quinolinate, showed no deficits in eating or drinking in the home cage, or reaching or grasping disabilities in the staircase test.
(7) The potentiation during a staircase decreased with increasing frequency of stimuli, but the potentiation 30 sec after the 100-sec staircase was the same at all frequencies.
(8) At the end of the corridor is a presentation room, the walls bedaubed with exhortations to “Never, Never, Never Give Up”; up another staircase is a run of seminar rooms, in one of which a class of fledgling baristas are learning their trade.
(9) These abnormalities of the staircase phenomenon disclose disorders of the contractile function of the examined muscle.
(10) Detection thresholds for phenylethyl alcohol were measured separately in each nostril using a forced-choice staircase procedure.
(11) Second, in looking up the staircase on the 1.00 lattice plane we see that the stereocilia are ordered into parallel rows.
(12) We measured 73.5% correct just noticeable differences (JNDs) in bar orientation with the method of constant stimuli and with a Wetherill and Levitt staircase procedure, using a total of 25 cats.
(13) Evidence is reported that indicates that adaptation of the Schroder staircase is affected by attention.
(14) After 15 days of treatment followed by 21 days of recovery, the PTD rats showed significant deficits for DNMTS accuracy at retention intervals (RI) that ranged from 3.0 s to 15.0 s, the RIs that produced 75% accuracy on DNMTS in staircase training, and the rate at which a novel radial arm maze task was learned.
(15) Some critical remarks on the interpretation of staircase and potentiation phenomena (rabbit heart muscle).
(16) However, the direction of the molecules in each layer is slightly twisted relative to the layer below so that multiple layers of molecules stack up to form a helix, a bit like a spiral staircase.
(17) The staircase behavior appeared to be due to changes in the initial rate of recovery of the ability to contract.
(18) 'During the war, my grandparents were often uprooted - they moved in and out of London, and even came over here to America - but their Steinway always went with them and had to be squeezed up crooked staircases wherever they lodged.
(19) Seeing a sign for a bar, I hiked up an iron staircase to the Esquire Tavern (155 East Commerce St), and felt as if I'd stepped on to the set of a Sam Peckinpah film.
(20) May 15, 2014 Morrissey's newfound social networking voice comes as he gears up to release his latest album, World Peace is None of Your Business , featuring almost self-parodic titles such as Earth Is the Loneliest Planet and Staircase at the University.