(n.) A kind of pillar; a cylindrical or polygonal support for a roof, ceiling, statue, etc., somewhat ornamented, and usually composed of base, shaft, and capital. See Order.
(n.) Anything resembling, in form or position, a column in architecture; an upright body or mass; a shaft or obelisk; as, a column of air, of water, of mercury, etc.; the Column Vendome; the spinal column.
(n.) A body of troops formed in ranks, one behind the other; -- contradistinguished from line. Compare Ploy, and Deploy.
(n.) A small army.
(n.) A number of ships so arranged as to follow one another in single or double file or in squadrons; -- in distinction from "line", where they are side by side.
(n.) A perpendicular set of lines, not extending across the page, and separated from other matter by a rule or blank space; as, a column in a newspaper.
(n.) A perpendicular line of figures.
(n.) The body formed by the union of the stamens in the Mallow family, or of the stamens and pistil in the orchids.
Example Sentences:
(1) Samples are hydrolyzed with Ba (OH)2, and the hydrolysate is passed through a Dowex-50 column to remove the salts and soluble carbohydrates.
(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) Detergent-solubilized HLA antigens were isolated from a human lymphoblastoid cell using an anti-beta2-microglobulin immunoaffinity column.
(4) Gel filtration of the 40,000 rpm supernatant fraction of a homogenate of rat cerebral cortex on a Sepharose 6B column yielded two fractions: fraction II with the "Ca(2+) plus Mg(2+)-dependent" phosphodiesterase activity and fraction III containing its modulator.
(5) Recovery of CV-3988 from plasma averaged 81.7% for the column procedure and 40% for the organic extraction.
(6) Release of 51Cr was apparently a function of immune thymus-derived lymphocytes (T cells) because it was abrogated by prior incubation of spleen cells with anti-thymus antiserum and complement but was undiminished by passage of spleen cells through nylon-wool columns.
(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) The ADAM derivative of carnitine was separated from decomposition products of the reagent and related compounds such as amino acid derivatives on a silica gel column eluted with methanol-5% aqueous SDS-phosphoric acid (990:10:1).
(9) A conventional liquid chromatograph with a low capacity column and a conductimetric detector is used to analyze aerosols of Cl-, Br-, NO-3 and SO=4 with good results.
(10) The deactivated columns had the residual silanols on the silica gel chemically inactivated to reduce the interaction with basic groups or analytes.
(11) Sephadex LH-20 column chromatography was used for the separation of the steroid prior to assay.
(12) We have investigated some of the factors which affect the retention times of these substances in reversed-phase HPLC on columns of 5-micron octadecylsilyl silica.
(13) The acetonitrile extract is concentrated and analyzed by HPLC, using a new polymer-based column, and detected by UV spectroscopy at 270 nm.
(14) Cytosolic zinc was eluted from a Sephadex G-75 column in the molecular weight region associated with metallothionein.
(15) The column eluate with the greatest RAST inhibition activity was associated with a protein peak having a molecular weight greater than 341 kilodaltons; however, all peaks demonstrated inhibitory activity.
(16) In the medium-size intermediate fibers, the number and diameter of the mitochondrial columns are intermediate between those of the red and white fibers.
(17) The bacterial-binding activity and mammalian receptor-binding activities in each of two samples co-chromatographed on a Remazol yellow GGL-Sepharose affinity column strongly indicated that the same immunoglobulin species reacts with both antigens.
(18) This enzyme was purified to homogeneity and exhibited an apparent molecular weight of 36,000 on sodium dodecyl sulfate gels and 180,000 on a TSK G-3000SW column in the presence of Triton X-100.
(19) 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.
(20) Refolding was observed by injection of denatured protein into columns having isocratic concentrations in the transition and native base-line zones.
Marker
Definition:
(n.) One who or that which marks.
(n.) One who keeps account of a game played, as of billiards.
(n.) A counter used in card playing and other games.
(n.) The soldier who forms the pilot of a wheeling column, or marks the direction of an alignment.
(n.) An attachment to a sewing machine for marking a line on the fabric by creasing it.
Example Sentences:
(1) These variants may serve as useful gene markers in alcohol research involving animal model studies with inbred strains in mice.
(2) Activity of Na,K-ATPase activity was measured as a functional marker for synaptosomal membranes.
(3) Anti-Leu 7 could not be considered as a specific marker for oligodendroglioma.
(4) Serum samples from 23 families, including a total of 48 affected children, were tested for a set of "classical markers."
(5) On removal of selective pressure, the His+ phenotype was lost more readily than the Ura+ Trp+ markers, with a corresponding decrease in plasmid copy number.
(6) In spite of dense lymphocytic infiltration only 3% of the tumor infiltrating lymphocytes exhibit the activation marker CD 25.
(7) Twelve families with Wiskott-Aldrich syndrome (WAS) were studied by linkage analysis using 10 polymorphic marker loci from the X-chromosome pericentromeric region.
(8) These results indicate that HBV markers in cord blood are either false-positive or due to contamination by maternal blood rather than an indication of in utero infection.
(9) From the biochemical markers in follicular fluid, cyclic adenosine monophosphate has a distinct predictive value in regard to pregnancy in in vitro fertilization-embryo transfer cycles.
(10) We therefore enumerated the percentage of Leu2a+ cells as well as the occurrence of HLA-DR activation markers within this population.
(11) During the digestion of these radiolabeled bacteria, murine bone marrow macrophages produced low-molecular-weight substances that coeluted chromatographically with the radioactive cell wall marker.
(12) Thus, our results indicate that calbindin-D28k is a useful marker for the projection system from the matrix compartment and that its expression is modified in patients with progressive supranuclear palsy and striatal degeneration.
(13) The telencephalon of teleost fish shows high affinity uptake for D-[3H]aspartate, intermediate levels of GABAergic markers and low levels of cholinergic enzymes.
(14) The presence of these markers has facilitated the identification and characterization of the mononuclear cells in a number of animal and human lymphoid malignancies.
(15) The independent but combined use of both antigens, appreciably raises the diagnostic success percentage with regard to that obtained when only one tumour marker was used.
(16) Maternal plasma levels of cortiocotrophin-releasing factor (CRF) have been measured in abnormal pregnancy states to assess their potential as biochemical markers for at-risk pregnancies.
(17) Improvement of its particularly poor prognosis requires therefore early screening based on reliable biological markers.
(18) The summary statistics examined are (a) the slope of the least-squares regression of the marker, (b) the average of the last r measurements, and (c) the difference between the averages of the last r and the first s measurements.
(19) A 6.4 kilobase C4B-5'-specific Taq I fragment usually provided a reliable guide to the presence of a C4A deletion but unusually in one instance this fragment was found to be a marker of a functioning C4A gene.
(20) The availability of locus-specific probes should significantly expand the role of minisatellite markers in population biology.