(v. t.) A hard, brittle, translucent, and commonly transparent substance, white or colored, having a conchoidal fracture, and made by fusing together sand or silica with lime, potash, soda, or lead oxide. It is used for window panes and mirrors, for articles of table and culinary use, for lenses, and various articles of ornament.
(v. t.) Any substance having a peculiar glassy appearance, and a conchoidal fracture, and usually produced by fusion.
(v. t.) Anything made of glass.
(v. t.) A looking-glass; a mirror.
(v. t.) A vessel filled with running sand for measuring time; an hourglass; and hence, the time in which such a vessel is exhausted of its sand.
(v. t.) A drinking vessel; a tumbler; a goblet; hence, the contents of such a vessel; especially; spirituous liquors; as, he took a glass at dinner.
(v. t.) An optical glass; a lens; a spyglass; -- in the plural, spectacles; as, a pair of glasses; he wears glasses.
(v. t.) A weatherglass; a barometer.
(v. t.) To reflect, as in a mirror; to mirror; -- used reflexively.
(v. t.) To case in glass.
(v. t.) To cover or furnish with glass; to glaze.
(v. t.) To smooth or polish anything, as leater, by rubbing it with a glass burnisher.
Example Sentences:
(1) The previous year, he claimed £1,415 for two new sofas, made two separate claims of £230 and £108 for new bed linen, charged £86 for a new kettle and kitchen utensils and made two separate claims, of £65 and £186, for replacement glasses and crockery.
(2) Human gingival fibroblasts were allowed to attach and spread on bio-glasses for 1-72 h. Unreactive silica glass and cell culture polystyrene served as controls.
(3) Retention of platelets from whole blood on glass beads was performed by the method of Bowie.
(4) Populations of lymphocytes were separated using glass and nylon wool.
(5) Analysis of bond values of glass ionomer added to glass ionomer indicate bond variability and low cohesive bond strength of the material.
(6) It was like watching somebody pouring a blue liquid into a glass, it just began filling up.
(7) A reference glass, five ceramic materials, and one resin-based composite were tested.
(8) The average repetitive yields and initial coupling of proteins spotted or blotted into PVDF membranes ranged between 84-98% and 30-108% respectively, and were comparable with the yields measured for proteins spotted onto Polybrene-coated glass fiber discs.
(9) Samples of rockwool and glass fibre were compared with chrysotile fibres for their capacity to hydroxylate 2-deoxyguanosine to 8-hydroxydeoxyguanosine, a reaction that is mediated by formation of hydroxyl radicals.
(10) Perfused or immersion-fixed epithalamic tissues, sectioned, and mounted on glass slides were processed through the avidin-biotin immunofluorescence method.
(11) Nango's dwellings are built on skis so can be pulled around the beach, and have a glass roof to view the northern lights.
(12) His office - with a floor-to-ceiling glass wall offering views over a Bradford suburb and distant moors - is devoid of knick-knacks or memorabilia.
(13) Three brands of glass ionomer were applied to prepared dentin surfaces of extracted human molars, after one of four treatments with polyacrylic acid.
(14) At the bottom is a tiny harbour where cafe Itxas Etxea – bare brick walls and wraparound glass windows – is serving txakoli, the local white wine.
(15) When Vladimir Putin kicks back on New Year's Eve with a glass of Russian-made champagne, and reflects on the year behind him, he is likely to feel rather pleased with himself at the way his foreign policy initiatives have gone in 2013.
(16) When used in snail neurones such electrodes gave very similar pHi values to those recorded simultaneously by recessed-tip glass micro-electrodes.
(17) Cells dissociated from 6-day rat cerebellum were seeded on glass coverslips coated with polylysine on one half and hyaluronectin on the other.
(18) These results confirmed that 'punctuated' labeling was not an artefact due to a distortion of the cell's shape by having been dried on glass slides.
(19) At one, in the Gun and Dog pub in Leeds on Tuesday, a witness described how the meeting descended into chaos when one of the rebels smashed a glass and threatened to attack Griffin supporter Mark Collett.
(20) Dissociated culture of adult mouse dorsal root ganglion cells on glass plates, on which grating-associated microstructures (a repetition of microgrooves [mGRV] and microsteps [mSTP] of 0.1-10 micron) are fabricated by the conventional lithographic techniques, represents a remarkable bi-directional growth of their nerve fibers in the axial direction of the grating.
Vitrify
Definition:
(v. t.) To convert into, or cause to resemble, glass or a glassy substance, by heat and fusion.
(v. t.) To become glass; to be converted into glass.
Example Sentences:
(1) We conclude that freeze-concentration induced by heating a vitrified solution can cause less perturbations of a protein than does quenching into a freeze-concentrated state.
(2) Accordingly, it may be desirable to maintain vitrified biological systems at temperatures sufficiently below Tg so that the extent of relaxation in the glass system is avoided or minimized during cryopreservation.
(3) It is based on the preparation of ultrathin frozen sections of fixed tissues, rinsing of the sections, followed by their embedding on the grid in a layer of vitrified ice, and direct observation with a cryoelectron microscope.
(4) In hydrated, vitrified cryo-sections, chromosomes exhibit a characteristic homogeneous, grainy texture, which, on optical diffraction, gives rise to a broad reflection corresponding to 11 nm.
(5) The solid states formed by vitrified and frozen aqueous solutions of some hydrophilic polymers, able to act as biological cryoprotectants, have been studied by differential scanning calorimetry and freeze fracture electron microscopy.
(6) The results obtained with vitrified thin films were interpreted in relation to the principles of thin-film formation.
(7) The survival rate of morulae vitrified after removal of the mucin coat was lower than that of mucin-intact embryos.
(8) Applications to negatively stained 50S ribosomes and to cryo-electron micrographs of thin vitrified layers of unstained and unsupported tomato bushy stunt and Semliki Forest viruses are described, and the resulting reconstructions are presented.
(9) 250000 sq.cm of vitrified skin stored for one to two years were used in 135 operations for major full thickness burns after tangential excision or excision of eschar.
(10) In the amide I spectral region of carbonyl hemoglobin (HbCO), a band at approximately 1654 cm-1 due to alpha-helical structures is the dominant band in spectra recorded at ambient temperature and in the vitrified state, but in the spectrum of HbCO quenched at similar rates into a freeze-concentrated state, a band at approximately 1650 cm-1, tentatively assigned to unordered structures, becomes the dominant feature.
(11) A high proportion of vitrified oocytes was fertilized in vitro (84-94%), 80 to 87% of which were normal.
(12) Embryos were exposed in three steps to a stock VS1 solution or a saline solution containing 90% of the cryoprotectants in the stock VS1 (90% VS1) and then the suspensions were vitrified by rapid cooling in liquid nitrogen.
(13) Materials responding to the demands of biocompatibility are certain forms of porcelain, vitrified carbon, titanium, calcium aluminate.
(14) He cites another case, in which a rabbit brain was vitrified and then thawed, appearing structurally intact – although the brain was first set in a formaldehyde-like substance, that would rule out it ever functioning as a living organ in the future.
(15) The structure of the virus was compared with cryo-electron microscopic data of vitrified suspensions observed to a resolution of 1.15 nm.
(16) The interaction of Escherichia coli RNA polymerase with supercoiled DNA was visualized by cryo-electron microscopy of vitrified samples and by classical electron microscopy methods.
(17) A system has been developed that ensures that a liquid or partially liquid specimen is maintained in its original state while it is being prepared before vitrification and, once prepared, is vitrified with little alteration of its microstructure.
(18) The structure of these crystals was examined by electron crystallography, using three different media to preserve high-resolution detail: vitrified water, glucose and tannin.
(19) In principle, good preservation of native structure may be achieved with fast freezing, followed by low-dose electron imaging of unstained vitrified cryosections.
(20) From these suspensions thin films were prepared at various temperatures, and vitrified for low temperature observation.