(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).
Flux
Definition:
(n.) The act of flowing; a continuous moving on or passing by, as of a flowing stream; constant succession; change.
(n.) The setting in of the tide toward the shore, -- the ebb being called the reflux.
(n.) The state of being liquid through heat; fusion.
(n.) Any substance or mixture used to promote the fusion of metals or minerals, as alkalies, borax, lime, fluorite.
(n.) A fluid discharge from the bowels or other part; especially, an excessive and morbid discharge; as, the bloody flux or dysentery. See Bloody flux.
(n.) The matter thus discharged.
(n.) The quantity of a fluid that crosses a unit area of a given surface in a unit of time.
(n.) Flowing; unstable; inconstant; variable.
(v. t.) To affect, or bring to a certain state, by flux.
(v. t.) To cause to become fluid; to fuse.
(v. t.) To cause a discharge from; to purge.
Example Sentences:
(1) It is concluded that amlodipine reduces myocardial ischemic injury by mechanism(s) that may involve a reduction in myocardial oxygen demand as well as by positively influencing transmembrane Ca2+ fluxes during ischemia and reperfusion.
(2) The main finding of this study is that diabetic adolescents with a high erythrocyte Na,Li countertransport rate have an arterial pressure significantly higher than patients with normal Na,Li countertransport fluxes.
(3) The role of adrenergic agents in augmenting proximal tubular salt and water flux, was studied in a preparation of freshly isolated rabbit renal proximal tubular cells in suspension.
(4) The effect of the peptides on carbachol-induced 22Na+ flux into BC3H-1 cells, which contain nicotinic acetylcholine receptors on their surfaces, was measured.
(5) Previous evidence includes changes in Ca2+ fluxes and intracellular activity, membrane potential changes, and effects of ion-channel blockers.
(6) The inhibition by DCMU of palmitoylcarnitine oxidation by isolated liver mitochondria was used to calculate a flux control coefficient of the respiratory chain towards gluconeogenesis.
(7) Under anaerobic conditions, glycolytic flux was decreased but this did not appear to be the result of inhibition of phosphofructokinase, since the concentrations of both substrates, fructose 6-phosphate and ATP, were decreased.
(8) By contrast, there was a rapid exchange of tracer Leu carbon between placenta and fetus resulting in a significant flux of labeled KIC from placenta to fetus.
(9) The current work utilizes an empirical relationship between HbO2 saturation measurements and reflected light oximetry, which is consistent with the two-flux theory of Kubelka and Munk (Z.
(10) The proportion of L-tryptophan metabolized via the latter flux increased over 10-fold (75% of total tryptophan metabolized) as the concentration of L-tryptophan was raised from 5 x 10(-5) to 5 x 10(-4) M. L-Tryptophan metabolized via the kynureninase flux was less than 5% of total tryptophan metabolized.
(11) The momentum flux theory describes such phenomena most appropriately.
(12) A state of net secretory fluid flux was induced in isolated jejunal loops in weanling pigs by adding theophylline or cholera toxin to the lumen of the isolated loops.
(13) The unidirectional Cl- fluxes may have significant contributions from both the transcellular and paracellular pathways, with the direction of departure from predicted values being consistent with the presence of Cl- exchange diffusion.
(14) cAMP decreased the incorporation of choline into phosphatidylcholine, but did not change the flux of metabolites through the step catalyzed by CTP:phosphocholine cytidylyltransferase.
(15) This was apparent by standard flux techniques only in low (65 mM) Na solutions, but was readily discernible in normal Na (125 mM) with the "lanthanum-residual" technique.
(16) But prealbumin-2, which has lower affinity towards thyroxine, participates mainly in a rapid flux of the free thyroxine pool.
(17) In the patients with aplastic anaemia the iron flux was diminished, but never eliminated, demonstrating that the exchangeable compartment was not solely erythroblastic, but included non-erythroid transferrin receptors.
(18) Outward Na+ cotransport fluxes significantly rose (p less than 0.05) after acetate hemodialysis and decreased (p less than 0.05) after bicarbonate hemodialysis.
(19) This "flux inhibition" was found to depend upon the velocity and the duration of water flow from mucosa to the serosa.
(20) In the microsac preparation, the PKC activators (-)-7-octylindolactam V and PMA inhibited the sustained phase of 36Cl- flux without altering the transient phase.