(1) Blood samples were analysed by mass spectroscopy and gas chromatography.
(2) 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.
(3) ASF-II was purified to apparent homogeneity by using concanavalin A-agarose affinity chromatography, DEAE-cellulose chromatography, alumina gel adsorption, and isoelectric focussing techniques.
(4) The overall recoveries of activated ER following chromatography on DEAE-cellulose were significantly lower than the recoveries of the nonactivated ER, 71 and 85%, respectively.
(5) 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.
(6) Glycosyl ceramide concentration was determined by gas-liquid chromatography of the trimethylsilyl ethers of the methyl glycosides.
(7) The sensitivity of an indirect fluorescent antibody (IFA) test (screening test) for the detection of antibodies to cytomegalovirus (CMV) was examined by using 128 serum specimens and quaternary aminoethyl (QAE)-Sephadex A50 column chromatography to separate IgM from IgG class antibodies.
(8) Chromatography and immunoassays are the two principal techniques used in research and clinical laboratories for the measurement of drug concentrations in biological fluids.
(9) We have compared two new methods (a solvent extraction technique and a method involving a disposable, pre-packed reverse phase chromatography cartridge) with the standard method for determining the radiochemical purity of 99Tcm-HMPAO.
(10) 2,3-Dihydroxybenzamide had previously been detected only as a minor metabolite of salicylamide by paper chromatography.
(11) Sephadex LH-20 column chromatography was used for the separation of the steroid prior to assay.
(12) Ether extracts were analyzed by gas chromatography-mass spectrometry (GC-MS) and various chlorinated and non-chlorinated compounds were detected, e.g.
(13) The free nucleoside IV was obtained by removal of blocking groups by sodium methoxide catalyzed deacylation, deionization under reducing atmosphere, and chromatography on neutral alumina.
(14) High pressure liquid chromatography combined with radioimmunoassay showed marked heterogeneity of SPLI and SLI.
(15) Glycoproteins were isolated by lectin affinity chromatography or by elution from nitrocellulose membranes.
(16) Thus Sephadex chromatography of the solution obtained by dissolving the antigen-antibody precipitate in these media repeatedly gave two peaks corresponding to anti-ovalbumin and ovalbumin.
(17) Separation of PL by thin-layer chromatography revealed a prevalence of phosphatidylcholine followed by phosphatidylethanolamine.
(18) A rapid method is described for the purification and analysis of synthetic oligonucleotides, based on reversed-phase high-performance liquid chromatography.
(19) These analyses were carried out on unfractionated culture fluids and on fractions obtained by fast protein liquid chromatography separation using Superose 6 gels.
(20) The corresponding hydrides, mono-n-butyltin hydride, di-n-butyltin hydride, tri-n-butyltin hydride, monophenyltin hydride, diphenyltin hydride triphenyltin hydride, are detected by electron-capture gas chromatography after clean-up by silica gel column chromatography.
Qualitative
Definition:
(a.) Relating to quality; having the character of quality.
Example Sentences:
(1) In the presence of insulin, a qualitatively similar pattern of increasing responses to albumin is observed; the enhancement of each response by insulin is, however, only slightly potentiated by higher albumin concentrations.
(2) Crossed immunoelectrophoresis and sucrose density gradient ultracentrifugation of the patient's plasma showed his prothrombin to be qualitatively indistinguishable from normal prothrombin by these techniques.
(3) elution patterns of the adducts formed by DBF metabolites with DNA and obtained in vivo at the optimal exposure time of 42-48 h were qualitatively very similar to the patterns obtained in vitro, but their amplitude was quantitatively reduced.
(4) In all cases foetal administration of glucocorticoid led to the onset of labour, and lambing, and in all animals the hormonal changes preceding parturition were indistinguishable (either qualitatively or quantitatively) from the changes observed in animals carrying intact lambs.
(5) No major qualitative differences have been detected in the mode of action of the two enzymes.
(6) Approaches have been worked out for the determination of qualitative composition of the mixtures and spectral parameters.
(7) A compact attachment for microscope-type instruments is described enabling to introduce, rapidly and qualitatively, minute biological speciments into melted embedding medium and ensuring the safety of optics.
(8) Qualitative and quantitative anaerobic cultures were performed on faecal samples from 27 normal full-term newborn infants; from 32 preterm infants during intensive or intermediate care, not treated with antibiotics; and from 106 mostly preterm newborns, treated with antibiotics for various reasons.
(9) Qualitative and quantitative comparisons between the short and the long time interval studies were performed by four experienced observers.
(10) The effects were atropine-resistant and qualitatively similar to those seen with cocaine.
(11) Qualitative planar 201-thallium (201Tl) scans, coronary angiography, or both were also performed (median between studies 11 days).
(12) Incubation of microsomes with CDP-DAG of different fatty acid composition results in quantitative and qualitative differences in lysoPI formation.
(13) This review begins with a mathematical and qualitative description of the inverse problem in terms of epicardial potentials.
(14) The movement resulting from activity of the long extensor is complex and there are three or more qualitatively different patterns of extension.
(15) Analysis of serum, plasma and exudate proteins revealed quantitative and qualitative differences between newborn and adult rats.
(16) The model shows quantitative agreement with the fraction of MTX polyglutamates found still to be bound to reductase in MCF-7 cells following 24 h of efflux, and qualitative agreement with the time dependence of bound MTX-polyglutamate concentration profiles obtained on the ZR-75 breast cancer line.
(17) During culture with IFN-alpha, reproducible changes were induced in both cell lines, which were qualitatively similar but differed quantitatively with small and transient changes in JOK-1.
(18) Based on combined quantitative and qualitative analysis of Doppler signals sampled at the common femoral and popliteal artery, the aorto-iliac segments and the femoro-popliteal segments were evaluated separately.
(19) The results (quantitative and qualitative) were compared with those elicited among 20 fertile women.
(20) Qualitatively the cell aspirator collected epithelial cells which were better preserved morphologically, but also a larger number of compact cell clusters.