(n.) The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities.
Example Sentences:
(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.
Quantification
Definition:
(n.) Modification by a reference to quantity; the introduction of the element of quantity.
Example Sentences:
(1) One of these antibodies, MCaE11, was used for immunohistochemical detection of MAC in tissue and for quantification of the fluid-phase TCC in ethylenediaminetetraacetic acid plasma.
(2) The individual classes of drugs are first treated separately to highlight specific aspects of their quantification, and this is followed by an overview of those methods permitting the concomitant analysis of two or more antiepileptic compounds.
(3) With Air Sentinels in the bedroom and living room for airborne collections, and a Sample Vac for collections from living room carpet and bedroom mattress, immunochemical quantifications of each were made with various radiometric assays with polyclonal and monoclonal antibodies.
(4) A procedure for detection and quantification of urinary 6-acetylmorphine (6-AM), a metabolite of heroin, is described.
(5) The methods discussed here are versatile procedures that have been effective for the quantification of retinoic acid and retinol in plasma or serum, cells in culture, and animal tissues.
(6) A novel radioiodinated ligand of the butyrophenone type has been synthesized for the quantification and characterization of dopamine D2 receptors.
(7) The in vivo quantification of myocardial muscarinic receptors has been obtained in six closed-chest dogs by using positron emission tomography.
(8) In addition, quantification of fluid output from a fistula may be grossly inaccurate.
(9) Thus, this preliminary study shows that quantification of joint fluid volume with 3D data processing offers more accuracy with MR imaging than with CT.
(10) Such techniques will be a useful aid to the taxonomy, identification, and quantification of mycobacteria, especially slowly growing strains in which biochemical properties are very difficult to detect by other techniques.
(11) Methods for quantification of limb swelling are described, as is analysis of the lymphatic block by lymphoscintigraphic imaging of lymph channels and nodes.
(12) Generally, this quantification completes the usual schemas, makes the teaching of sclerotherapy much easier, makes phlebology more accessible for computer data, with cartography as a basis for the anatomical reference points.
(13) Quantification of haemope in proved to be conclusive in differential diagnosis.
(14) With the introduction of the highly sensitive micro-transducer catheter it has been possible to make accurate quantitative estimations (Akerlund et al., 1978; Ulmsten & Andersson, 1979) but, to our knowledge, no detailed analysis and quantification of intrauterine pressure recordings in primary dysmenorrhea has been reported.
(15) Cardiac applications proven clinically useful to date include intravenous and reduced-contrast load direct left ventriculography, aortic root bypass graft visualization, and selective coronary arteriography, which allows quantification of arterial stenoses and flow reserve.
(16) The method seems promising for the detection and quantification of early and late atherosclerotic lesions in the carotid and femoral arteries.
(17) A high-performance liquid chromatographic method with precolumn fluorescence derivatization using 2-(5-chlorocarbonyl-2-oxazolyl)-5,6-methylenedioxybenzofu ran is described for the quantification of 2',3'-dideoxyinosine, a therapeutic drug for acquired immunodeficiency syndrome, and 2',3'-dideoxyadenosine, an anti-human-immunodeficiency-viral agent, in rat plasma.
(18) A gas chromatographic method is described for the quantification of levels of 1,1,1-trichloroethane in vinyl chloride polymer resins and in poly(vinyl chloride) (PVC) bottles used in the packaging of foods.
(19) They also confirm the potential of the use of postembedding methods for the quantification of endogenous amino acid at cellular and subcellular levels, in relative and possibly also absolute terms.
(20) The measurement of fentanyl after intravenous (2 mg) and intramuscular (0.25 mg) administration in undiluted plasma was not reproducible while accurate quantification of fentanyl in urine greatly depends on the composition of the horse urine.