(v. t.) To separate the constituent parts of; to resolve into original elements; to set free from previously existing forms of chemical combination; to bring to dissolution; to rot or decay.
(v. i.) To become resolved or returned from existing combinations; to undergo dissolution; to decay; to rot.
(1) Following mass disasters and individual deaths, dentists with special training and experience in forensic odontology are frequently called upon to assist in the identification of badly mutilated or decomposed bodies.
(2) Hydroperoxides from arachidonic acid can decompose via this mechanism to form leukotrienes of potential biological significance and can catalyze the epoxidation of proximal carcinogens to ultimate carcinogenic metabolites.
(3) The ester group in the N-acyloxymethyl derivatives was readily hydrolyzed by plasma enzymes to yield the N-hydroxymethyl amide, which subsequently decomposed to the parent amide.
(4) Twenty out of the fifty strains decomposed technical oils.
(5) Hydrogen peroxide is decomposed also by catalase (b).
(6) Under weakly basic conditions (pH 8.5), ptaquiloside decomposed into a conjugated dienone (considered to be the ultimate form), which was mutagenic in both strains.
(7) The compounds, characterized by 31P NMR, were shown to decompose to phosphate with a half-life of ca.
(8) Little is known about the microorganisms decomposing the different test substances.
(9) Results showed that: catechols which are substrates of tyrosinase decompose fully after 24 hr in medium; they are equally toxic for melanoma and non-melanoma cell lines; their toxicity increases when they are preincubated in medium for 24 hr and 48 hr before addition of cells; their toxicity is significantly reduced by addition of scavenger enzymes; on the contrary, phenols not substrates of tyrosinase are stable in medium and their toxicity is not reduced by scavenger enzymes.
(10) It decomposes to Yttrium 90 which has a half life of 62 hours.
(11) The use of FA and its derivative, hexamethylenetetramine (HMT), which gradually decomposes to FA under acidic conditions as antimicrobial agents in food, raises questions about their potential chronic oral toxicity.
(12) Using a piecewise linear approach, individual saccadic eye movements have been Fourier decomposed in an attempt to determine the effect of saccadic amplitude on frequency characteristics.
(13) These results demonstrate that the folate of E. coli DNA photolyase is a bona fide cofactor and does not decompose or dissociate during multiple turnovers of the enzyme.
(14) The inhibitor decomposed by a mechanism involving H(+) ions and thiocyanate, the kinetics varying according to whether the inhibitor was in its acidic or basic form.
(15) At elevated pH and temperature, chloral hydrate readily decomposed and chloroform and formic acid were detected as products.
(16) With the Redy system, in which urea is decomposed by the enzyme urease, only 5.5 liters of dialysate is used.
(17) The reaction goes to completion and the pigment is not decomposed by 0.03 M hydroxylamine.
(18) If a battery heats up beyond 80C you hit what is called thermal runaway, where the components start to decompose, and that’s when it can explode.” The specific cause of Samsung’s issues with exploding batteries is unknown, the company just cites “ a battery cell issue ”.
(19) While pure methyl 5-(2-chloroethylamino)-5-deoxy-2,3-O-isopropylidene-beta-D-ribofuranoside hydrochloride has no L-1210 leukemia activity, a decomposed sample was found to be very active.
(20) The entropy of activation of kcat for the human enzyme was further decomposed into partially compensating electrostatic(es) (delta S*es = +15.1 cal mol-1 K-1) and nonelectrostatic(nes) (delta S*nes = -19.1 cal mol-1 K-1) terms.
(v. t.) To reduce from a higher to a lower rank or degree; to lower in rank; to deprive of office or dignity; to strip of honors; as, to degrade a nobleman, or a general officer.
(v. t.) To reduce in estimation, character, or reputation; to lessen the value of; to lower the physical, moral, or intellectual character of; to debase; to bring shame or contempt upon; to disgrace; as, vice degrades a man.
(v. t.) To reduce in altitude or magnitude, as hills and mountains; to wear down.
(v. i.) To degenerate; to pass from a higher to a lower type of structure; as, a family of plants or animals degrades through this or that genus or group of genera.
(1) This bone could not be degraded by human monocytes in vitro as well as control bone (only 54% of control; P less than 0.003).
(2) Lp(a) also complexes to plasmin-fibrinogen digests, and binding increases in proportion to the time of plasmin-induced fibrinogen degradation.
(3) The rate of accumulation of degraded LDL products was lower in collagen gel cultures, but the final levels achieved were the same in the two substrata.
(4) At the highest dose of chloroquine tested (500 microM), a slightly greater increase in insulin binding and a decrease in insulin degradation were observed in fetal cells as compared with adult cells.
(5) Addition of extracellular mevalonate led to a concentration-dependent fall in both processes, although a higher concentration was required to produce the same effect on LDL degradation as on HMG-CoA reductase activity.
(6) Radioiodinated a-factor was used to identify the a-factor-degrading activity, which is cell associated, endoproteolytic, and not required for response to pheromone.
(7) Densitometric analysis of myofibrillar proteins separated with sodium dodecyl sulfate-polyacrylamide gel electrophoresis indicated that troponin I and troponin T were degraded during 60 minutes of CGI.
(8) In addition, we found apyrase activity (which degrades ATP and ADP to AMP and orthophosphate) and an anticoagulant.
(9) Degradation of both viral and host DNA with micrococcal nuclease and spleen phosphodiesterase indicated that CdG was incorporated primarily into internal positions in both DNAs.
(10) In vitro studies showed that BOF-A2 was rapidly degraded to EM-FU and CNDP in homogenates of the liver and small intestine of mice and rats, and in sera of mice, rats and human, and the conversion of EM-FU to 5-FU occurred only in the microsomal fraction of rat liver in the presence of NADPH.
(11) Only PPACK completely inhibited changes in fibrin degradation products, plasminogen and alpha 2-antiplasmin.
(12) On the other hand, if we correct for the population of HMM with degraded light chain 2, the difference in the binding constants in the presence and absence of Ca2+ may be as great as 5-fold.
(13) When cultures were pulse labeled for 15 min and then incubated under chase conditions for 105 min, the amount of degraded collagen attained a value equal to approximately 20% of the amount synthesized during the labeling period; the data were fit with a simple exponential function that had a 40-min rise time and a 12-min lag time.
(14) The mode of ribosome degradation under this condition is discussed in terms of differential appearance of these intermediate particles.
(15) Degraded visual acuity had a significant effect on cadence, foot placement, and foot clearance, but visual surround conditions did not.
(16) The resistance of GSA 65 to proteolytic degradation, together with previous immunofluorescence data that indicate the antigen is an integral part of the G. lamblia cyst wall, suggests that this molecule may play a role in maintaining the integrity of the cyst in vivo.
(17) 5% of the degradation resulted from enzymatic activity in the culture medium, presumably due to secretion of proteolytic enzymes by the cells.
(18) At 37 degrees C, 125I-labeled TNF-alpha was rapidly internalized and degraded in L-929, U-937 and LAK cells.
(19) Recovery after EEDQ administration showed that both receptor production rate and degradation rate constants of anterior pituitary D2 and striatal D1 receptors were slowed after chronic estradiol treatment, whereas recovery rates for striatal D2 dopamine receptors were unaffected.
(20) The specific rates of degradation of L-arginine-AMC, gly-proline-AMC, N-alpha-benzoyl-L-arginine-AMC and N-[p-toluene-sulphonyl]gly-pro-arginine-AMC were significantly greater in that group, indicating that the composition of their gingival crevicular fluid was different from that of the gingivitis group.