(1) Blood was collected from pups and dams to determine its caffeine concentration.
(2) When caffeine evokes a contraction, and only then, crayfish muscle fibers become refractory to a second challenge with caffeine for up to 20 min in the standard saline (5 mM K(o)).
(3) As expected, chronic administration led to complete tolerance to caffeine's locomotor stimulant effect, while subchronic administration produced sensitization.
(4) Caffeine and 6-methylaminopurine riboside (6-N-methyladenosine differentially inhibit uptake of radioactivity from adenosine and inosine, and thus the vesicles apparently possess seperate transport systems for uptake of radioactivity from purine nucleosides and from uridine.
(5) The inositol 1,4,5-trisphosphate (IP3) binding inhibitor, heparin, has no effect on ryanodine binding, and ryanodine and caffeine do not influence the binding of [3H]IP3, which is enriched in the cerebellar fractions.
(6) Post-labeling addition of 1 mM caffeine increased perpetuated blocks to a frequency of about 10% of the initial number of dimers in 4 h in XP16KO-II cells, but not in XP16KO-I and normal cells.
(7) Thus, in human lymphocytes the frequencies of chromatid aberrations induced by most clastogenic agents were strongly enhanced when caffeine was given during the G2 phase, but little affected by post-treatments with caffeine during the S phase.
(8) The Na(+)-induced Ca++ release from the sarcolemmal vesicles was stimulated with caffeine in a concentration-dependent manner; about 80% increase in the activity was observed at 0.1 mM caffeine.
(9) All other dietary constituents, such as protein, fiber, fluid, minerals (including Ca, Mg, Na, K, and P), and caffeine intake, were kept constant.
(10) All calcium, magnesium, and zinc contents per bone decreased in the 1- and 2-mg caffeine groups as compared to either controls or 0.5-mg caffeine group, whereas phosphorus stayed relatively constant regardless of the different levels of caffeine intake.
(11) In the presence of agents that inhibit sarcoplasmic reticulum (SR) function (10 mM caffeine, 100-500 nM ryanodine), reduction of the [Na] gradient produced increases in contractile force similar to that observed in the absence of caffeine or ryanodine.
(12) On the basis of these findings, it is suggested that screening for malignant hyperpyrexia by in vitro pharmacological testing of skeletal muscle should be carried out at 37 degrees C, and should include exposure of the sample to halothane, caffeine, suxamethonium and potassium rather than to halothane alone.
(13) The mechanism responsible for the potentiated anti-inflammatory and mild analgesic activity of aspirin remains unknown since caffeine did not alter the plasma salicylate levels or prostaglandin synthetase inhibition produced by aspirin.
(14) Their pups continued to consume the caffeine diet until 50 days.
(15) The pups were divided into caffeine and noncaffeine groups.
(16) In this study, eight patients participated in a standardized protocol to assess the effects of caffeine on seizures in ECT.
(17) These patients may have an increased risk of cardiovascular and cerebral excitation associated with higher concentrations of caffeine, which could complicate withdrawal from alcohol.
(18) were elevated significantly (P less than 0.05 at 0.3, 0.6 and 1 h after injection) when caffeine 5 or 10 mg kg-1 i.v.
(19) This study supports the findings of others in that caffeine restriction is an effective means of management of breast pain associated with fibrocystic disease.
(20) Aminophylline and caffeine can mimic this effect; however, papaverine and 1-methyl-3-isobutylxanthine, at concentrations inhibitory to phosphodiesterase, are without effect on glucocorticoid receptor binding to DNA.
Energetic
Definition:
(a.) Alt. of Energetical
Example Sentences:
(1) Moments later, Strauss introduces the bold human character with an energetic, upwards melody which he titles "the climb" in the score.
(2) --The influence of the digestibility of the energy in the ration on the energetic retention effect of BFC is small.
(3) Thus, the decreased hyperemic response after arrest suggests a reduced energetic debt with CSC compared with ARC and may indicate superior myocardial protection with CSC.
(4) The acquisition of dryness is accelerated by eradication of bacteriuria and a sympathetic and energetic management regime, which should place responsibility on the child and result in the child voiding more frequently and completely.
(5) The results provided information on the energetics of actin-myosin-ligand states that occur in the portion of the cross-bridge cycle where MgATP binds to myosin.
(6) In the case of adducts with the diol-epoxides of benzo[c]phenanthrene, the energetically most favored structures are isomers with significant biological activity.
(7) Although the (n-h) plots predict the stereochemical possibility of both right-handed and left-handed helices, nucleic acids apparently prefer right-handed conformation because of the energetics associated with the sugar-phosphate backbone and the base.
(8) Myocardial transformation, along with its energy economizing effect, failed to compensate for unfavorable energetic consequences of structural dilatation and therefore the reduced ventricular efficiency is assumed to be another deleterious factor in the dilated failing heart.
(9) The mechanism of amphotericin B action was studied with the aid of cytochemical methods providing determination of the activity of the 4 main enzymes characterizing the cell energetics, i. e. succinate dehydrogenase, lactate dehydrogenase, alcohol dehydrogenase and glucose-6-phosphate dehydrogenase inside the cell.
(10) Indeed, in our experimental conditions, it was measured that the energetic cost of LA accounted for more than 60% of the periprandial increase in TMR.
(11) The results obtained testify to the considerable contribution of [3-14C] tryptophan and [2-14C] alanine to protein synthesis as well as to their involvement in the substrate supply of lipogenesis and energetic processes in various organs and tissues of cattle.
(12) The visitors had looked the more settled team in the first half here, tribute to their own energetic and diligent midfield and also to a general sluggishness in Chelsea’s passing and movement.
(13) These results indicate that the polypeptide chain, driven by energetics (nonbonded and electrostatic interactions), is folded into a typical left-handed twisted four-helix bundle with an approximately 4-fold symmetric array, as observed in most four alpha-helix proteins.
(14) Analysis of the energetics of the main transition shows that the increase in van der Waals interaction energy resulting from the larger delta V in Tris can be compensated by the favorable energetics of removing terminal methyl groups from the bilayer surface.
(15) A major criticism of present models of the energetics and mechanics of sprint running concerns the application of estimates of parameters which seem to be adapted from measurements of running during actual competitions.
(16) Inhibition of this futile cycling may represent one avenue by which energetic costs of maintenance and production can be lowered in ruminants.
(17) The energetic equivalence of strength and shortening at small loads in the skeletal muscle seems obvious as well as the absence of energy expenditure for shortening in the complete energetic cycle of muscle contraction, irrespective of the work.
(18) The swelling of mitochondria is probably due to the increase in energetical activity of muscle fibres.
(19) Type I diabetes mellitus represents a metabolic disorder in which intracellular glycolytic pathway is inhibited by insulin deficiency, with the subsequent decreased availability of energetic substrates such as ATP.
(20) 82 mins: Some energetic jinky stuff from Gervinho on the left wing but he's robbed by Ferrerira in the end.