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These assays can be used to measure reactions that are impossible to assay in any other way.
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These tests include: detecting complement fixation, indirect hemagglutination, indirect fluorescence assays, radioimmunoassays, and ELISA.
These findings rely on inhibition assays and the study of the kinetics of cleavage of the aforementioned substrate, exploiting the fact that the enzyme-substrate intermediate p-nitrophenolate has a yellow colour, enabling us to measure its concentration by measuring light absorbance at 410 nm.
These kind of industrial scale assays are often done in well equipped laboratories and use high level of automation in organizing the procedure, right from ordering of an assay, to pre-analytic sample processing ( sample collection, necessary manipulations e. g. spinning for separation or other processes, aliquoting if necessary, storage, retrieval, pipetting / aspiration etc.
These predictive in vitro assays reveal effects the administered compounds have on the bone marrow progenitor cells that produce the various mature cells in the blood and can be used to test the effects of single drugs or the effects of drugs administered in combination with others.
These assays measure cellular metabolic activity via NAD ( P ) H-dependent cellular oxidoreductase enzymes and may, under defined conditions, reflect the number of viable cells ( cell proliferation ).
These ideas were tested using sensitive and specific assays based on a combination of HPLC and mass spectrometry, but these peptides cannot be detected in autistic children's urine.
These assays include top agar overlay assays where antibiotics generate zones of growth inhibition against test microbes, and pH assays that can screen for pH change due to newly synthesized molecules using pH indicator on an agar plate.
These assays make use of a sugar linked to a dye which, when acted on by the enzyme beta-galactosidase, produces a characteristic color.
These assays are in general much more sensitive than spectrophotometric assays, but can suffer from interference caused by impurities and the instability of many fluorescent compounds when exposed to light.
These assays are very general, since many reactions involve some change in heat and with use of a microcalorimeter, not much enzyme or substrate is required.
These properties can be illustrated with relative ease in vitro, using methods such as clonogenic assays, where the progeny of a single cell is characterized.
These and can
These are beginnings, but correctly learned they prepare for satisfying and exciting stunts that can be performed by a strong, flexible body ( we are not talking of eccentric extremes ).
These frequencies are amplified and detected by the FM receiver after each burst of transmitted energy and, after the `` pill '' has been calibrated, precise internal pressure indications can be obtained.
These records, when systematically maintained, provide much information about the children, which the teacher can use in guidance, instruction, grouping, and reporting to parents.
These theoretical relationships are more clearly illustrated in Fig. 7 and their sum can be seen to correlate in form with practical measurements made with the Hesiometer as illustrated in the first portion of Fig. 5 for the cutting mechanism.
These dynamic relationships, between what can be observed on the ground, as opposed to what can be observed by compiling many local observations remain fundamental in any kind of anthropology, whether cultural, biological, linguistic or archaeological.
These are not used in amoeboid movement, but are stiff skeletons on which organelles are supported or can move on.
These can range from simple spelling changes and word forms to switching the entire writing system itself, as when Turkey switched from the Arabic alphabet to a Turkish alphabet of Latin origin.
These finishes protect the adobe wall from water damage, but need to be reapplied periodically, or the walls can be finished with other nontraditional plasters providing longer protection.
These deficits can vary depending on which cerebellar structures have been damaged, and whether the lesion is bilateral or unilateral.
These include all quadratic surds, all rational numbers, and all numbers that can be formed from these using the basic arithmetic operations and the extraction of square roots.
These constructions can convey shape, size, motion, location, movement, stative-descriptive, and / or handling information.
These particles continue to decay, emitting alpha particles which can damage cells in the lung tissue.
These can be as simple as a searchlight for a police helicopter or as complicated as the tactical system for an airborne early warning platform.
These and be
These began to be apparent in a press conference held during the second illness in order that the consulting specialists might clarify the President's condition for the nation.
These peoples, desperately hoping to lift themselves to decent levels of living must not, by our neglect, be forced to seek help from, and finally become virtual satellites of, those who proclaim their hostility to freedom.
These remarkable ships and weapons, ranging the oceans, will be capable of accurate fire on targets virtually anywhere on earth.
These moments are historical events in the lives of individual authors with which the student of comparative literature must be frequently concerned.
These have never gone out of style in Scandinavian homes and now seem to be reappearing here and there in shops which specialize in handicrafts.
These opinions of the assessors are of significance in indicating what their thinking seems to be at the present time.
These forty-seven special purpose governments have the authority to levy taxes, to borrow money, own property, sue and be sued, and in general to exercise normal corporate powers.
These three installment dates would be: October 26, January 26, and April 25 ( Providence ) and November 15, February 16 and May 15 ( Cranston ).
These data are not of the precision obtainable by the methods previously mentioned, but the vast number of approximate values available will be useful in many areas.
These plans, like Du Pont's, contained provisions for passing the vote on Du Pont's General Motors shares on to the ultimate stockholders of Du Pont, Christiana, and Delaware, except that officers and directors of the three companies, their spouses, and other people living in their households, as well as other specified persons, were to be totally disenfranchised.
These expenditures are estimated to be $12.1 billion, an increase of $187 million over 1960, reflecting additional longevity pay of career personnel, more dependents, an increased number of men drawing proficiency pay, and social security tax increases ( effective for the full year in 1961 compared with only 6 months in 1960 ).
These publications may be secured as follows: The Annual Catalog from the Director of Admissions and other issues from the Publications Office.
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