(n.) A little perforated ball, to be strung on a thread, and worn for ornament; or used in a rosary for counting prayers, as by Roman Catholics and Mohammedans, whence the phrases to tell beads, to at one's beads, to bid beads, etc., meaning, to be at prayer.
(n.) Any small globular body
(n.) A bubble in spirits.
(n.) A drop of sweat or other liquid.
(n.) A small knob of metal on a firearm, used for taking aim (whence the expression to draw a bead, for, to take aim).
(n.) A small molding of rounded surface, the section being usually an arc of a circle. It may be continuous, or broken into short embossments.
(n.) A glassy drop of molten flux, as borax or microcosmic salt, used as a solvent and color test for several mineral earths and oxides, as of iron, manganese, etc., before the blowpipe; as, the borax bead; the iron bead, etc.
(v. t.) To ornament with beads or beading.
(v. i.) To form beadlike bubbles.
Example Sentences:
(1) Retention of platelets from whole blood on glass beads was performed by the method of Bowie.
(2) The kidney disease was characterized by diffuse beaded deposition of rat gammaglobulin along the glomerular capillaries and proteinuria.
(3) Agarose-albumin beads may be useful for removing protein-bound substances from the blood of patients with liver failure, intoxication with protein-bound drugs, or specific metabolic deficits.
(4) Using polyclonal antibodies raised against yeast p34cdc2, we have detected a 36 kd immunoactive polypeptide in macronuclei which binds to Suc1 (p13)-coated beads and closely follows H1 kinase activity.
(5) The results of the study suggest that perhaps tobramycin of cefotaxime-impregnated PMMA beads would produce local levels of antibiotic high enough to sterilize a given dead space for a period of 28 days.
(6) Using sterile conditions, antibodies to G were incubated with a suspension of transformed cells at 4 degrees C, unbound antibodies were then removed, and the cells were incubated with the immunoabsorbent (3 micron magnetic beads; J. Ugelstad et al.
(7) The beads enable us to examine several aspects of the adhesion process with particles having uniform properties that can be varied systematically.
(8) Cytotoxic T lymphocytes were found to mediate rapid lysis of target cells not normally recognized in the presence of small polystyrene beads coated with a combination of anti-T3 and antitarget cell antibodies.
(9) Beads approximately 1 microm in diameter appeared to be the optimal size for ingestion.
(10) In the presence of 3-isobutyl-1-methylxanthine, stimulation induced an accumulation of cAMP, making possible the NMR detection of the second messenger in living cells grown on microcarrier beads and perfused in the NMR tube.
(11) In order to examine the mechanisms underlying radiation-induced changes in phosphorus metabolite levels observed in RIF-1 tumors in vivo, RIF-1 cells in culture were perfused for up to 70 h following gamma-irradiation with 0-25 Gy and monitored continuously by 31P NMR spectroscopy at 8.5 T. Cells immobilized in the sample volume by incorporation into calcium alginate beads were bioenergetically stable, but did not replicate at the cell density used.
(12) To investigate the effect of steroid hormone on phagocytosis by keratocytes, we investigated the phagocytic activities for latex beads by rabbit corneal keratocytes cultured in the presence and absence of dexamethasone.
(13) The M-280 beads which are smaller (diameter 2.8 microns) and contain less iron than the M-450 beads were coated with polyclonal IgG sheep antimouse (SAM) antibody.
(14) No radiographic studies are routinely needed; bead-chain cystourethrography and IVU in particular probably offer little additional information.
(15) The electron-dense tracers, ferritin, peroxidase, Thorotrast, and latex beads were all ingested but none was phagocytized.
(16) After elution of the complex from the beads a new cycle of capture, washing and release of the target-capture-reporter-probe complex is initiated by the additions of unused (dT)-tailed beads.
(17) In this procedure, target DNA is captured by a biotinylated oligonucleotide via intermolecular triplex formation, bound to streptavidin-coated magnetic beads, and recovered in double-stranded form by elution with a mild alkaline buffer that destabilizes the triple helix.
(18) Because the plasma clots were not well retained in the basal cistern, however, small beads (dextran or latex) were added to stabilize them.
(19) Amino ligands such as proteins or drugs can be bound covalently to the beads in a single step at physiological pH.
(20) We also found a strong binding of S-protein antibodies to agarose beads preincubated in native serum, which was strongly reduced (70-80%) by inactivation of the alternative complement pathway (50 degrees C, 20 min).
Glassy
Definition:
(a.) Made of glass; vitreous; as, a glassy substance.
(a.) Resembling glass in its properties, as in smoothness, brittleness, or transparency; as, a glassy stream; a glassy surface; the glassy deep.
(a.) Dull; wanting life or fire; lackluster; -- said of the eyes.
Example Sentences:
(1) The water is embossed with small waves and it has a chill glassiness which throws light back up at the sky.
(2) Flavin adenine dinucleotide (FAD) was covalently attached to an electron-conducting support, i.e., glassy carbon.
(3) The second, with amphibole or glassy fibres, is mediated by fibronectin which first binds to the fibre.
(4) The glassy cell carcinoma is considered to be a poorly differentiated mixed adenosquamous carcinoma.
(5) From these studies, it was suggested that the inelastic behavior of bioactive glass-ceramics was produced by the plastic deformation of glassy phase on the grain boundary.
(6) They tricked us.” When Morales speaks of it his eyes turn glassy.
(7) Its mechanical behaviour when dry is that of a glassy polymer with tensile strength about 300 MPa and modulus about 20 GPa.
(8) Cell lines were established from two uterine cervical cancers, a glassy cell carcinoma (GCC) and a large cell nonkeratinizing squamous cell carcinoma (LCSC), and studied by a variety of techniques, including histology, chromosome analysis, heterotransplantation and tumor marker analyses.
(9) In KGS and A-W.GC, which had macrocrystals in the glassy phase, an intervening apatite layer about 0.5 micron thick was observed between the materials and bone.
(10) When bimodal therapy with radical surgery and radical radiotherapy was used, the survival of patients with Stage IB glassy cell carcinoma improved to 87%.
(11) No significant association between HPV status and prognosis or glassy cell features was detected.
(12) We have developed a new type of glassy carbon electrode whose smooth surface with scattered craters reduces its polarization voltage.
(13) The detection system consists of two electrochemical detector cells aligned in series: a glassy-carbon electrode for catecholamines and serotonin, and a platinum electrode for acetylcholine and choline.
(14) The cytopathologic and histopathologic findings are presented for five cases of glassy-cell carcinoma.
(15) Further, the apparent "tightly bound" state, observed at low relative humidities, appears to exist when the polymer enters into a very viscous glassy state.
(16) Photo-switchable ion and enzyme sensors were fabricated by the use of glassy carbon electrode coated with nonactindoped or enzyme modified poly(vinyl chloride) (PVC) membranes.
(17) And if that sentence leaves you glassy-eyed, we'll do our best to explain it as things proceed.
(18) Eighteen cases of glassy cell carcinoma of the uterine cervix are presented.
(19) In lesional catagen follicles, the glassy membranes showed marked convolution and thickening.
(20) A method is proposed for the determination of paracetamol in whole undiluted blood, based on the enzymatic hydrolysis of the drug to p-aminophenol, which is then measured by chronoamperometry at a glassy carbon electrode.