(1) When compared with self-reported exposures, the sensitivity of both job-exposure matrices was low (on average, below 0.51), while the specificity was generally high (on average, above 0.90).
(2) Two lectins, wheat germ agglutinin (WGA) and peanut agglutinin (PNA), were used to compare domains within the interphotoreceptor matrices (IPM) of the cat and monkey, two species where the morphological relationship between the retinal pigment epithelium (RPE) and photoreceptors is distinctly different.
(3) With respect to the mechanism of the delayed invasion, it was suggested that the IFN-gamma might inhibit the adhesion of the cells to extracellular matrices (ECM) and the subsequent locomotion.
(4) Analysis of 31 kilobases spanning diversity, joining, enhancer, switch, and the mu and delta constant regions reveals that only a single 1-kilobase segment exhibits specific binding to nuclear matrices.
(5) Explants of a human sacral chordoma were successfully maintained on collagen-coated coverslips, gelfoam sponge matrices, and Millipore filter platforms for up to 30 days.
(6) First, the parameters of the two angiographic projections are determined in form of two 4 x 3 matrices from a pair of cineframes showing a 4 cm cube bearing markers.
(7) Completely demineralized root powder was subjected to solutions of varying pH and ionic strength: (a) 0.1 M acetic acid, pH 4.0, (b) 0.1 M acetic acid + 0.15 M KCl, pH 4.0, (c) 0.1 M Hepes, pH 7.0 or to (d) 0.1 M Hepes + 0.15 M KCl, pH 7.0 at 37 degrees C. The surfaces of intact root specimens were exposed to 0.1 M acetic acid, pH 4.0 (which resulted in erosive lesions) or to 0.1 M lactic acid, 0.2 mM methane hydroxy diphosphonate, pH 5.0 (which produced subsurface lesions) at 37 degrees C. After incubation, the extracts were analysed for soluble collagen and the insoluble matrices were treated with trypsin at 15 degrees C to determine the denatured collagen.
(8) The ultrastructural distribution of the protein-polysaccharides was studied in the predentinal and dentinal matrices of the rat.
(9) Sequences were compared using matrices which were generated using the Calladine-Dickerson rules (C.R.
(10) On the Standard Progressive Matrices, however, subjects obtained significantly lower scores on the computerized test.
(11) Additionally, the silver staining properties of the Duracryl matrix result in proteins appearing as monochromatic shades of grey instead of red, brown and yellow, as is the case of conventional polyacrylamide matrices.
(12) These results reveal a significant effect of the polar groups on the molecular interaction between the core molecule and matrices in the molecular composites compounding Oct-PPTA as core molecule.
(13) Quantitative enzyme assays confirmed the presence of GalTase substrates in basal lamina matrices, their absence in fibronectin matrices, and the ability of alpha-LA to inhibit GalTase activity towards basal lamina substrates.
(14) Rat liver nuclear matrices were reacted with the fluorescent dye 6-iodoacetamidofluorescein and the matrix proteins were then separated by one and two-dimensional polyacrylamide gel electrophoresis.
(15) However, qualitatively (i.e., as far as the agreement between matrix compositions is concerned), all three matrices changed significantly.
(16) The 'introverts' scored significantly highest on the Matrices, but the scores of the 'ambiverts' were lowest.
(17) It would seem that immunocytochemistry is of no assistance in differential diagnosis between benign and malignant hair matrical tumors.
(18) The stabilities of nitrate and nitrite in food systems and their reactions in such matrices are reviewed.
(19) EGF has no effect on proliferation of CTE cells on plastic but induces hyperplasia of CTE cells on collagen matrices.
(20) For the liquid matrices the only sample preparation that is required is dilution.
Matrix
Definition:
(n.) The womb.
(n.) Hence, that which gives form or origin to anything
(n.) The cavity in which anything is formed, and which gives it shape; a die; a mold, as for the face of a type.
(n.) The earthy or stony substance in which metallic ores or crystallized minerals are found; the gangue.
(n.) The five simple colors, black, white, blue, red, and yellow, of which all the rest are composed.
(n.) The lifeless portion of tissue, either animal or vegetable, situated between the cells; the intercellular substance.
(n.) A rectangular arrangement of symbols in rows and columns. The symbols may express quantities or operations.
Example Sentences:
(1) Within the outflow tract wall, the labelled cells were enmeshed by strands of alcian blue-stained extracellular matrix.
(2) If ascorbic acid was omitted from the culture medium, the extensive new connective tissue matrix was not produced.
(3) These studies led to the following conclusions: (a) all the prominent NHP which remain bound to DNA are also present in somewhat similar proportions in the saline-EDTA, Tris, and 0.35 M NaCl washes of nuclei; (b) a protein comigrating with actin is prominent in the first saline-EDTA wash of nuclei, but present as only a minor band in the subsequent washes and on washed chromatin; (c) the presence of nuclear matrix proteins in all the nuclear washes and cytosol indicates that these proteins are distributed throughout the cell; (d) a histone-binding protein (J2) analogous to the HMG1 protein of K. V. Shooter, G.H.
(4) Discrimination errors were used to generate a matrix of interletter and interpattern similarities.
(5) The fibrous matrix and cartilage formed within the nonunion site transformed to osteoid and bone with increased vascularity.
(6) A complex linkage between the cytoskeleton and the extracellular matrix is illustrated both in the cord forming Sertoli and granulosa cells, and in the adjacent mesenchymal cells.
(7) 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.
(8) Normal cultured human epidermal melanocytes and melanoma cells derived from three different malignant melanomas were examined for synthesis of extracellular matrix components before and after treatment for one day with interferon-gamma, tumor necrosis factor-alpha, or both.
(9) To exclude potential interactions with components of the extracellular matrix which contains binding sites for PAI-1, ligand binding to HepG2 cells in suspension was assessed.
(10) This was followed by the appearance of microfibrils of various sizes and other components of the extracellular matrix.
(11) The first observable change before the acrosome reaction was a partial decondensation of the acrosomal matrix.
(12) In contrast, boundary layer diffusion is operative in the release from the matrixes prepared by compression of physical mixtures.
(13) Human Caco-2 enterocytes were cultured on matrix proteins (collagen I, laminin, fibronectin) with growth factors (epidermal growth factor [EGF] and transforming growth factor-beta 1 [TGF-beta 1]) and the tyrosine kinase and prostaglandin inhibitors genistein and indomethacin.
(14) As an extension of the previous study which indicated that mesoglea is a primitive basement membrane which has retained some characteristics of interstitial extracellular matrix, the present study was undertaken to analyze the role of mesoglea components during head regeneration in Hydra vulgaris.
(15) Its features are consistent with observed structural dimensions and the molecular periodicities related to transcription, replication and matrix attachment domains.
(16) A significant proportion of the soluble protein of the organic matrix of mollusk shells is composed of a repeating sequence of aspartic acid separated by either glycine or serine.
(17) The increased release of alkaline phosphatase from the particulate matrix by lysophosphatidylcholine was confirmed by disc electrophoresis.
(18) The cytoplasmic matrix was labelled only 30 min after injection.
(19) Type beta transforming growth factor (TGF beta) was shown to regulate the production of several extracellular matrix proteins.
(20) They strongly suggest that the ADP-carrier comes to the close neighbourhood of the ATP synthetase on the matrix side of the inner membrane.