(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.
Enzyme
Definition:
(n.) An unorganized or unformed ferment, in distinction from an organized or living ferment; a soluble, or chemical, ferment. Ptyalin, pepsin, diastase, and rennet are good examples of enzymes.
Example Sentences:
(1) In contrast, DNA polymerase alpha, the enzyme involved in chromosomal DNA replication, was relatively insensitive to CA1.
(2) The accumulation of lipids and enzymes such as simple estarase, lipase, beta-HDH, alpha-GDH and NADPH-reductase in those areas, suggests that lipids are not a simple excretory product.
(3) It was found that the skeletal muscle enzyme of the chick embryo is independent of the presence of creatine and consequently is another constitutive enzyme like the creatine kinase of the early embryonic chick heart.
(4) Previous attempts to purify this enzyme from the liquid endosperm of kernels of Zea mays (sweet corn) were not entirely successful owing to the lability of partially purified preparations during column chromatography.
(5) These results demonstrate that increased availability of galactose, a high-affinity substrate for the enzyme, leads to increased aldose reductase messenger RNA, which suggests a role for aldose reductase in sugar metabolism in the lens.
(6) As far as acrophase table is concerned for all enzymes and fractions the acrophase occurred during the night.
(7) This theory was confirmed by product analysis and by measuring the affinity of the substrate for the enzyme by its inhibition of p-nitrophenyl glucoside hydrolysis.
(8) This result demonstrates that branching enzyme belongs to a family of the amylolytic enzymes.
(9) These results are discussed in relation to the possible existence of enzyme-bound intermediates of nitrogen fixation.
(10) During enzyme purification two nucleases were identified.
(11) Binding data for both ligands to the enzyme yielded nonlinear Scatchard plots that analyze in terms of four negatively cooperative binding sites per enzyme tetramer.
(12) In the measurement, enzyme-labeled and unlabeled antigens (Ag* and Ag) were allowed to compete in binding to the antibody (Ab) under conditions where Ag* much less than Ab much less than Ag.
(13) Nucleotide, which is essential for catalysis, greatly enhances the binding of IpOHA by the reductoisomerase, with NADPH (normally present during the enzyme's rearrangement step, i.e., conversion of a beta-keto acid into an alpha-keto acid, in either the forward or reverse physiological reactions) being more effective than NADP.
(14) The enzyme, when assayed as either a phospholipase A2 or lysophospholipase, exhibited nonlinear kinetics beyond 1-2 min despite low substrate conversion.
(15) The specific limited trypsinolysis of bacteriophage T7 RNA polymerase (T7RP) was performed in the presence of various components of the polymerase reaction and some GTP-analogs--irreversible inhibitors of the enzyme.
(16) Hepatic enzyme elevations were more dramatic after blunt trauma, reflecting greater hepatocellular disruption.
(17) Treatment of the bound F1-ATPase with 4-chloro-7-nitrobenzofurazan prevented complete release of the enzyme by ATP.
(18) The enzyme was solubilized by Triton X-100 and purified approximately 480-fold by gel filtration and affinity chromatography on alanine methyl ketone-AH-Sepharose 4B.
(19) The DNA untwisting enzyme has been purified approximately 300-fold from rat liver nuclei.
(20) We have measured the antibody specificities to the two polysaccharides in sera from asymptomatic group C meningococcal carriers and vaccinated adults by a new enzyme-linked immunosorbent assay (ELISA) procedure using methylated human serum albumin for coating the group C polysaccharide onto microtiter plates.