(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).
Microcosmic
Definition:
(a.) Alt. of Microcosmical
Example Sentences:
(1) The Black pregnant teen is a microcosm of the impact of society on the most vulnerable.
(2) FR120 degraded combinations of 3CB and 4MB (1 mM each) following 3 days of adaptation in the microcosms.
(3) A school-based system is the most universal, long-term, community-centred and sustainable that we could have devised; in microcosm, it is the "big society" in action.
(4) The microcosm (model ecosystem) method integrates many of these tests in replicable experimental units, and may provide substantial information on chemical hazard in ecosystem context.
(5) Concomitant removal of the environmental contaminants, viz., toluene, chlorobenzene, and styrene, in both natural (uninoculated) and inoculated aquifer microcosms was also demonstrated.
(6) And who presides over England's microcosm, this chaparal of breadline and bunga-bunga?
(7) It is a microcosm of the region’s maladies and the trauma they have wrought on civilian lives – there are people here who have been wounded in sectarian bloodletting, shelling, airstrikes, occupation and crackdowns by dictators.
(8) In flow-through microcosms RC-4(pSI30), undetectable as free-living cells, was found by enrichment as irreversibly bound sessile forms.
(9) 'I loved the Chelsea because it was old New York , the way it used to be: a microcosm.
(10) While microcosm toxicity tests were slightly less sensitive than some single species tests, they provided important additional information on the extent of perturbations and the rate of ecosystem recovery.
(11) According to several criteria, the microcosm system was stable and healthy throughout the experiment and the addition of the GEM did not affect the total number of extractable CFU (I. Wagner-Döbler, R. Pipke, K. N. Timmis, and D. F. Dwyer, Appl.
(12) There was a microcosm of that in the late rewrite of the section of the speech on debt.
(13) In the microcosm of the operating room, where all actions and feelings appear intensified, anger can quickly become a significant obstacle to efficient functioning.
(14) When released into a freshwater microcosm, cells of Pseudomonas putida carrying a "number-plated" chromosome could be easily and rapidly detected merely by submitting boiled cell sediments to PCR amplification.
(15) Mineralization half-lives for naphthalene in microcosms ranged from 2.4 weeks in sediment chronically exposed to petroleum hydrocarbons to 4.4 weeks in sediment from a pristine environment.
(16) Analysis of organic solvent-extractable residues from the microcosms by high-pressure liquid chromatography detected polar metabolites which accounted for 1 to 3% of the total radioactivity.
(17) These results demonstrate the need to strictly control conditions (K+ content, temperature) used to wash cells before their transfer to seawater microcosms.
(18) The behavior of Aedes triseriatus (Say) fourth instars was studied in laboratory microcosms.
(19) Kinetics of chromium transformations under typical environmental conditions were systematically investigated using batch, microcosm and column experiments.
(20) Artificial microcosm plaques were grown in a five-plaque culture system for up to 6 weeks, reaching a maximum depth of several mm.