(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.
Filar
Definition:
(a.) Of or pertaining to a thread or line; characterized by threads stretched across the field of view; as, a filar microscope; a filar micrometer.
Example Sentences:
(1) Quantitative cytophotometry and ocular filar micrometry were used to monitor T-2 toxin induced alterations in chromatin and neuronal nuclear volume in supraoptic-magnocellular neurons of rat hypo-thalami.
(2) The filar electrode used is of a unique design that allows potentiometric measurements, steady-state voltammetry and absorption spectrophotometry to be performed on a few microliters of solution containing 0.1-1.0 mM protein.
(3) These inclusions are 3.4 mu or more long, 350 A in diameter, and comprised of a wall of helically arranged subunits and a dense, possibly filar, central core.
(4) Selected nucleoli in this area were measured at 2000x power using a digital filar micrometer.
(5) Data were obtained on changes in neuronal (perikaryal) RNA levels, protein contents and nucleolar volumes in cerebrocortical (layer III) and striatal (caudate-putamen) brain regions using quantitative azure B-RNA and Coomassie-protein cytophotometry and ocular filar micrometry.
(6) A filar micrometer eyepiece was used to count the number of nuclei larger than 14 microns in mean diameter in a 500 cell count on each slide.
(7) Direct and mediated electrolysis of the protein plastocyanin at a gold filar electrode is described.
(8) External and internal arterial diameters were measured by a digital filar micrometer eyepiece calibrated with a Microcode scaler.
(9) Using a Filar micrometer, 5 distances were masured on the buccal aspect: (1) from root surface notch to alveolar bone crest; (2) from root surface notch to coronal extent of the cementum; (3) from root surface notch to apical extent of the junctional epithelium; 84) from free gingival margin to apical extent of junctional epithelium; (5) from the coronal notch to the alveolar bone crest.
(10) In addition, ocular filar micrometry demonstrated increased neuronal nuclear volumes in all groups receiving T-2 toxin, and following an inverse trend to that seen with F-DNA stainability.
(11) A custom, platinum-iridium, exposed helical screw electrode (Medtronic, Inc.), 4.5-mm long, with a 17.8-mm2 surface area, was designed with a polyurethane covered 4 filar MP35N nickle conductor lead.
(12) ), affected mononuclear cells retracted from the cell surface, but remained anchored to the substrate by taut filar processes.
(13) The internal diameter of the dorsal aorta at the level of the sinus venosus and the internal diameter of the aortic arch arteries at their midpoints were measured in embryos at Stage 18 of development using a filar micrometer eyepiece and a dissecting microscope.
(14) Myelography with metrizamide clearly revealed the detailed intrathecal structures and allowed a classification of intraspinal lipomas into four types, in terms of their insertion into the conus medullaris: dorsal type, either with direct or indirect (via an intrathecal stalk) insertion of the extrathecal lipoma into the dorsal aspect of the conus medullaris; caudal type; combined type; and filar lipoma.
(15) The leakage was measured with a filar micrometer eyepiece under a dissecting microscope.
(16) Correlative data were obtained on changes in physicochemical properties of nuclear chromatin, chromatin dispersion, and nuclear volume of cerebrocortical (layer III) and striatal neurons using Feulgen-DNA (F-DNA) cytophotometry and ocular filar micrometry.
(17) External and internal arterial diameters were measured by a digital filar micrometer eyepiece.
(18) Correlative data were obtained on the severity of brain AChE inactivation and physicochemical changes in nuclear chromatin of cerebrocortical (layer V) and striatal neurons using Feulgen-DNA (F-DNA) cytophotometry and ocular filar micrometry.
(19) In the case of mouse CNS nuclei, the major and minor axes of the nuclei were measured with a filar micrometer.
(20) The second sirenomelic case with an intermediate degree of sacral hypoplasia had fusion of some of the sacral roots and ganglia, spinal ganglion cell heterotopias, filar lipoma and absence of the last sacral roots and ganglia.