(1) Tryptic digestion of the membranes caused complete disappearance of the binding activity, but heat-treatment for 5 min at 70 degrees C caused only 40% loss of activity.
(2) A study revealed that the percentage of active sperm in semen 30 seconds after ejaculation was 10.3% when a nonoxynol 9 latex condom was used as opposed to 55.9% in a nonspermicidal condom.
(3) The most actively proliferating region of the excurrent duct system is zone 3 of the epididymis, whereas the least active region is the ductuli efferentes.
(4) Spectral analysis of spontaneous heart rate fluctuations, a powerful noninvasive tool for quantifying autonomic nervous system activity, was assessed in Xenopus Laevis, intact or spinalized, at different temperatures and by use of pharmacological tools.
(5) Activity of Na,K-ATPase activity was measured as a functional marker for synaptosomal membranes.
(6) The antiarrhythmic activity similar to that of quinidine (with ca.
(7) The microsomal preparations from untreated Syrian golden hamster livers exhibited higher activities of N-demethylation towards the macrolide antibiotics, erythromycin and troleandomycin, than those from untreated and phenobarbital-treated rats.
(8) Patient plasma samples demonstrated evidence of marked complement activation, with 3-fold elevations of C3a desArg concentrations by the 8th day of therapy.
(9) After stimulation with lipopolysaccharide and calcium ionophore A23187, culture supernatants of clones c18A and c29A showed cytotoxic activity against human melanoma A375 Met-Mix and other cell lines which were resistant to the tumor necrosis factor, lymphotoxin and interleukin 1.
(10) Phospholipid methylation in human EGMs is distinctly different from that in rat EGMs (Hirata and Axelrod 1980) in that the human activity is not Mg++-dependent, and apparent methyltransferase I activity is located in the external membrane surface.
(11) Increased plasmin activity was associated with advancing stage of lactation and older cows after appropriate adjustments were made for the effects of milk yield and SCC.
(12) Arachidic acid was without effect, while linoleic acid and linolenic acid were (on a concentration basis) at least 5-times less active than arachidonic acid.
(13) Following in vitro C activation in NHS by delta IgG, the 40 KD C4d component increased markedly.
(14) One hour after direct mechanical cardiomassage (DMCM) a moderately pronounced edema of the intercellular spaces in the basal compartment of the seminiferous epithelium, normal content of lactate and succinate dehydrogenases, and a certain decrease in the activity of glucose-6-phosphate dehydrogenases and NAD- and NADP-diaphorases were noted.
(15) We conclude that first-transit and blood-pool techniques are equally accurate methods for determining EF when the time-activity method of analysis is employed.
(16) This difference was not due to ATPase activity in the assay.
(17) In the surface epithelial cells, the basolateral cell surface showed moderate enzymatic activity.
(18) Both the vitellogenesis and the GtH cell activity are restored in the fish exposed to short photoperiod if it is followed by a long photoperiod.
(19) It was shown in experiments on four dogs by the conditioned method that the period of recovery of conditioned activity after one hour ether anaesthesia tested 7 to 7.5 days.
(20) Together these results suggest that IVC may operate as a selective activator of calpain both in the cytosol and at the membrane level; in the latter case in synergism with the activation induced by association of the proteinase to the cell membrane.
Deactivate
Definition:
Example Sentences:
(1) The deactivated columns had the residual silanols on the silica gel chemically inactivated to reduce the interaction with basic groups or analytes.
(2) The 'intermediate' (tau 1) and 'slow' (tau 2) components were seen by curve fitting M-current deactivation currents.
(3) The cytotoxicity was complement independent, as demonstrated by studies with heat-deactivated serum devoid of extrinsic complement.
(4) The testosterone-binding antibody that was produced using either the copolymer or FCA had considerable sensitivity to deactivation by mercaptoethanol.
(5) Exposure of neutrophils to AS resulted in deactivation to AS but not to Escherichial coli or Staphylococcus epidermis culture filtrate.
(6) The latencies to first opening and reopening, which reflect activation and deactivation, influenced the waveform most strikingly.
(7) Low pO2 appeared to slow down the activation time course of the K current but deactivation kinetics seemed to be unaltered.
(8) The intact molecule of CaM appears to be required to deactivate PFK, because neither half of the CaM molecule has an effect on PFK activity.
(9) Initial management consisted of IV verapamil for rate control followed by deactivation of the AICD.
(10) The highly significant increase of 5-HIAA (5-hydroxyindole-3-acetic acid) in Transcendental Meditation technique suggests systemic serotonin as "rest and fulfillment hormone" of deactivation-relaxation.
(11) The S6 kinases purified from liver of cycloheximide-treated rat and H4 hepatoma insulin-stimulated enzyme are each completely deactivated by incubation with protein phosphatase type 2A in both autophosphorylating and 40S S6 phosphorylating activities.
(12) This growth cycle proved to be a useful tool to investigate the activation and deactivation of ornithine decarboxylase ODC1 in Tetrahymena: In late logarithmic phase the cells contained a very low specific activity of ODC of about 3 nmol CO2.h-1.mg-1 in the soluble protein fraction.
(13) Cholera toxin, which blocks the deactivation of the stimulatory protein (Gs), does not influence the effects of spermine either in vivo or in vitro.
(14) Aim of the study was to evaluate the effect of cardiopulmonary receptors activation and deactivation on antidiuretic hormone (ADH) and atrial natriuretic peptide (ANP) incretion in hypertensive and normotensive subjects.
(15) With a tenth of the normal chloride conductance calculated responses show maintained firing following a constant current if the deactivating rate of the sodium channels (betam) is reduced by 25%.
(16) The slow component of the tails may represent the activity of a small population of slowly deactivating calcium channels, although other possibilities are considered.
(17) The reversible deactivation of protein kinase-activated enzyme is presumed to reflect the action of a lipase phosphatase.
(18) In all in vitro test systems used to date, coffee and coffee aroma or their reactive compounds were metabolically deactivated in the presence of S-9.
(19) Deactivation was described by the sum of two voltage-dependent exponential components.
(20) Deactivation was inhibited by dilution of the retinal suspension or by removal of soluble components.