(n.) An elastic apparatus or fender, for deadening the jar caused by the collision of bodies; as, a buffer at the end of a railroad car.
(n.) A pad or cushion forming the end of a fender, which receives the blow; -- sometimes called buffing apparatus.
(n.) One who polishes with a buff.
(n.) A wheel for buffing; a buff.
(n.) A good-humored, slow-witted fellow; -- usually said of an elderly man.
Example Sentences:
(1) In contrast, resting cells of strain CHA750 produced five times less IAA in a buffer (pH 6.0) containing 1 mM-L-tryptophan than did resting cells of the wild-type, illustrating the major contribution of TSO to IAA synthesis under these conditions.
(2) The proportion of motile spermatozoa decreased with time at the same rate when samples were prepared in either HEPES or phosphate buffers.
(3) The third route was quantitated by its sensitivity to probenecid and its activity was increased in saline buffers and upon addition of glucose and was inhibited by oligomycin.
(4) The 0.1 M phosphate buffer eluant was electrophoretically heterogeneous and did not elicit the production of bactericidal antibodies in rabbits.
(5) In the same buffer a resonance marked L by Russu et al.
(6) The polymerization of dATP, dCTP, and dGTP onto the defined length initiator, d(pA)10, has been carried out in four buffers.
(7) Hyperosmolar buffer slightly increased the sensitivity and maximal response to methacholine as well as the cholinergic twitch to electric field stimulation.
(8) The present results using approximately 12% hemoglobin concentration in 0.1 M Bistris buffer at pD 7 and 27 degrees C with and without organic phosphate show that there is no significant line broadening on oxygenation (from 0 to 50% saturation) to affect the determination of the intensities or areas of these resonances.
(9) These results indicate that FMLP increased a pulmonary microvascular permeability in isolated buffer-perfused rabbit lungs that is PMN dependent and mediated by LT produced possibly by a result of ROS production.
(10) Although the brain AP50 is prominently phosphorylated by an endogenous protein kinase in isolated coated vesicle preparations, the neuronal AP50 was not detectably phosphorylated in intact cells as assessed by two-dimensional non-equilibrium pH gradient gel electrophoresis of labeled cells dissolved directly in SDS-containing buffers.
(11) In conclusion, the ability of distal tubules to establish a significant pH gradient will contribute to the titration of non bicarbonate buffers, i.e., to titratable acid formation.
(12) Studies were conducted in isolated, buffer-perfused rat lungs to determine if prostaglandin (PG) E1 attenuated pulmonary edema provoked by hydrogen peroxide (H2O2).
(13) One cellulase is buffer-soluble, the other buffer-insoluble but extractable with high salt concentrations.
(14) A pH 2.5 buffer was found to be the most effective solution for eluting gp41 from a 41-1S monoclonal antibody column.
(15) Furthermore, even the action of Lys-5 on the Pseudomonas OM was abolished when the assays were performed in the presence of 150 mM NaCl instead of the low-ionic strength buffer earlier used by investigators studying the effect of polycations on the Pseudomonas OM.
(16) The results suggest that the conversion of the HRP-TMB reaction product to an electron-dense form during osmication is intimately associated with the pH of the phosphate buffer and the total time of osmication.
(17) This combined process decreased by 63% the decimal reduction times for the heat treatment when the organism was suspended in buffer and by 43% when suspended in milk.
(18) The temperature-activated 4 to 5 S EBP transformation is found to be highly reproducible without loss of [3H]estradiol-binding activity in a buffer containing an excess of [3H]estradiol, 40 mM Tris, 1 mM dithiothreitol, and 1 M urea at pH 7.4.
(19) Incubation of freshly isolated rat hepatocytes with highly purified radiolabeled rat transferrin in weakly buffered medium in the presence of 10 mM ethanol resulted in a marked diminution of iron uptake by these cells, associated with a greater pH depression than in ethanol-free control studies.
(20) It was found that the use of a pH 9.6 buffer during the coating of ELISA plates led to the dissociation of virions into subunits which bound preferentially to the solid phase.
Puffer
Definition:
(n.) One who puffs; one who praises with noisy or extravagant commendation.
(n.) One who is employed by the owner or seller of goods sold at suction to bid up the price; a by-bidder.
(n.) Any plectognath fish which inflates its body, as the species of Tetrodon and Diodon; -- called also blower, puff-fish, swellfish, and globefish.
(n.) The common, or harbor, porpoise.
(n.) A kier.
Example Sentences:
(1) For real.” A resident in a green puffer jacket emerged from the shelter with her 10-year-old son.
(2) Puffers were collected one week after the occurrence of the food poisoning and their content of toxin was determined.
(3) Also featured are the puffer fish, dung beetle, veiled chameleon and moon jellyfish.
(4) The potent neurotoxin tetrodotoxin, which has previously been found in puffer fish of the order Tetraordontiformes, a goby (Gobius criniger), and the California newt (Taricha torosa), has now been identified in the skins of frogs of the genus Atelopus from Costa Rica.
(5) Liver protein synthesis, assayed by a rapid pulse injection technique, showed a moderate temperature dependency (Q10 = 2-3) in the 15-30 degree C range for all species except puffers (Q10 = 10-20).
(6) "Whole-cell" patch recordings using nystatin permeabilization were made from single human platelets during application of agonists from a "puffer" pipette.
(7) The temperature dependency of protein synthesis was studied in vivo in five species of Pacific fish collected in the Galapagos and Perlas Islands: batfish (Ogcocephalus darwini), groupers (Epinephelus labriformis), catfish (Netuma platypogan), puffers (Arothron hispidus) and triggerfish (Sufflamen verres).
(8) "Pink puffers" with breathlessness, hyperinflation, mild hypoxemia, and a low PCO2 are contrasted with "blue bloaters" with hypoxemia, secondary polycythemia, CO2 retention, and pulmonary hypertension and cor pulmonale.
(9) Suppression of Iout was also observed during puffer applications of either of two protein kinase C activators, phorbol 12-myristate 13-acetate (10 nM-1 microM) and 1-oleoyl-2-acetylglycerol (60 microM).
(10) Responsiveness of 143 preoptic neurons to changes in hypothalamic temperature and to non-thermal emotional stimuli were investigated while rewarding (foods) and aversive objects (hypertonic saline, a toy snake, an air puffer) were given.
(11) Three conditions that may occur after consumption of seafood--puffer fish poisoning, ciguatera, and paralytic shellfish poisoning--are caused by a group of poisons that block voltage-gated sodium channels in myelinated and non-myelinated nerves.
(12) The Na and K concentration in single supramedullary neurons of the puffer fish (Spheroides maculatus) was measured using a dual channel integrating ultramicroflame photometer.
(13) If salbutamol was one breakthrough, the later introduction of steroid inhalers (which are brown, as opposed to the blue reliever puffers), which prevent symptoms rather than relieve them, was even more significant.
(14) He arrived without entourage or announcement, unzipped his puffer jacket, shook Skip’s hand, and – after greeting everyone in the room – took a seat on the side of the room and asked to get to work.
(15) Unique exocrine glands or gland-like structures were found in the skin of several species of puffer fishes of the genus Takifugu.
(16) Bicuculline methiodide reversibly blocked THIP- and muscimol-induced suppressions of tactile- (air puffer)-induced S1 responses but spared those produced by (-)-baclofen.
(17) The aim of this study was to assess the effects of diamorphine on breathlessness and exercise tolerance in patients with severe chronic airflow obstruction and normal arterial carbon dioxide tension (PCO2) levels ("pink puffer" syndrome).
(18) Chubby Puffer syndrome produces symptoms such as sleep apnea, cor pulmonale and upper airway obstruction due to adenotonsillar enlargement.
(19) As the classic "blue bloater" with attenuated respiratory drive is described as being less dyspneic than his "pink puffer" counterpart, we wondered whether the variability in dyspnea and exercise tolerance in a group of patients with COPD with relatively similar degrees of air-flow obstruction might be partly explained by the variability in resting respiratory drives (unstimulated P0.1 and hypoxic and hypercapnic P0.1 responses).
(20) Tetrodotoxin (puffer fish toxin) or saxitoxin (paralytic shellfish poison), both of which block the sodium channel of excitable membranes, antagonize this effect, enabling cell growth to continue.