(n.) The regular form which a substance tends to assume in solidifying, through the inherent power of cohesive attraction. It is bounded by plane surfaces, symmetrically arranged, and each species of crystal has fixed axial ratios. See Crystallization.
(n.) The material of quartz, in crystallization transparent or nearly so, and either colorless or slightly tinged with gray, or the like; -- called also rock crystal. Ornamental vessels are made of it. Cf. Smoky quartz, Pebble; also Brazilian pebble, under Brazilian.
(n.) A species of glass, more perfect in its composition and manufacture than common glass, and often cut into ornamental forms. See Flint glass.
(n.) The glass over the dial of a watch case.
(n.) Anything resembling crystal, as clear water, etc.
(1) Such a signal must be due to a small ferromagnetic crystal formed when the nerve is subjected to pressure, such as that due to mechanical injury.
(2) A comprehensive review of the roentgenographic features of calcium pyrophosphate crystal deposition disease (pseudogout) is presented.
(3) CW Nd:YAG light transmitted by fiber optic cable and sapphire crystal was applied transsclerally to the ciliary body of pigmented and albino rabbits.
(4) The crystal structure of the biological stain, "acridine orange," has been determined.
(5) Urinalysis revealed a low pH, increased ketones and bilirubin excretion, dark yellowish change in color, the appearance of "leaflet-shaped" crystals and increased red blood cells and epithelial cells in the urinary sediment, increased water intake, decreased specific gravity and decreased sodium, potassium and chloride in the urine.
(6) Early in the regression process, cholesterol esters are reduced at least partly by hydrolysis to yield cholesterol, some of which may crystallize and inhibit rapid regression.
(7) Here we determine the position of bound ADP diffused into the recA crystal.
(8) The virus material in these crystals had been subjected to treatment with EDTA at pH 8.0 before crystallization at pH 6.5.
(9) Results obtained show that chlorophyll is more active than other inhibitors studied and suggest a higher surface adsorption intensity on the primary sources of the crystal surface.
(10) The "Mg(2+)-Sarkosyl crystals" (M band) technique distinguishes between membrane-bound and free intracellular DNA.
(11) The molecular structure of the hexagonal crystal form of porcine pepsin (EC 3.4.23.1), an aspartic proteinase from the gastric mucosa, has been determined by molecular replacement using the fungal enzyme, penicillopepsin (EC 3.4.23.6), as the search model.
(12) In vitro experiments show that these macromolecules are able to interact with specific faces of different crystals, influencing both nucleation and crystal growth.
(13) 2 Each of the drugs significantly increased leucocyte cyclic AMP content within 3 h of the injection of crystals.
(14) For Kevin Phillips, just like Wilfried Zaha, this might have been his final act as a Crystal Palace player.
(15) In ancillary studies, multiple cycles of direct dissolution of UCB crystals revealed a progressive decrease in aqueous solubility of UCB as fine crystals were removed; this effect was minimal in CHCl3.
(16) Six dogs were instrumented with electromagnetic flow probes and subendocardial ultrasonic crystals.
(17) The crystallization of the lipase was successfully carried out.
(18) The values of the energy level distributions in crystals obtained from the measurements and analysis reported here are compared with those obtained by a different method for the same protein complex in frozen solution.
(19) The crystal structure of proteolytically modified human ACT has been solved at 2.7-A resolution (Baumann et al., 1991).
(20) These observations support our hypothesis that calcium pyrophosphate dihydrate crystal deposition in joints is regulated by the physical chemical gel state of the connective tissue matrix.
Truncate
Definition:
(v. t.) To cut off; to lop; to maim.
(a.) Appearing as if cut off at the tip; as, a truncate leaf or feather.
Example Sentences:
(1) The relative potencies compared to insulin-like growth factor 2 (IGF-2) in displacing [125I]IGF-2 from rat liver membranes were recombinant truncated IGF-1, 0.3% and recombinant IGF-1, 0.2%.
(2) When the transcriptional activity of these proteins was examined it was found that carboxyl-truncated Myb is more effective as a transcriptional activator than full-length or amino-truncated Myb.
(3) The vector is relatively small (6 kilobase pairs) and contains a portion of the L. seymouri alpha-tubulin gene positioned in-frame with a truncated neomycin phosphotransferase gene that confers resistance to the aminoglycoside G418.
(4) These plasmids allow expression of native or truncated forms of the enzyme and easy purification of the products.
(5) Both the intracellular and secreted forms of the mu chains were similarly truncated.
(6) A new alternative splice site was incidently found 81 nucleotide downstream of motif II in both normal and truncated 4.1 mRNA.
(7) The other chimeras accumulated in the plasma membrane, and truncated LEP100 was secreted.
(8) The main protein species produced from full-length and truncated forms of celE was around 40 kDa in size and had an N-terminal amino acid sequence corresponding to that derived for mature EGE from the nucleotide sequence; in addition, larger species of about 75 kDa, presumably corresponding to full-size EGE, were produced by E. coli containing the full-length celE gene.
(9) The truncated LuxR proteins showed little or no ability to activate transcription of luxICDABE, as indicated by using luminescence as a sensitive indicator of promoter strength in E. coli.
(10) The expression of keratin and differentiation markers was identical to that of normal keratinocytes, suggesting that psoriatic epidermal differentiation is not truncated in vitro as has been postulated to be the case in vivo.
(11) Actin also exhibited a clear dual wave pattern of transport that coincided well with that of tubulin, indicating that both actin and tubulin were the major components of both groups IV and V.(ABSTRACT TRUNCATED AT 250 WORDS)
(12) This truncated C8C8 ceramide was soluble in water (but was still able to cross cell membranes) and was utilized by the Golgi apparatus of living cells to produce water-soluble truncated phospholipids and glycolipids that were then secreted into the medium.
(13) Neither the source nor the role of this soluble, truncated form of the membrane receptor has been determined.
(14) It may differ from the Mr 35,000 form in glycosylation or carboxyl-terminal truncation.
(15) The low hormone binding affinities of the truncated receptors taken together with high affinity hormone binding to the N-terminal extension of the LH receptor indicate the existence of two or more contact points between the receptor and the hormone.
(16) We were unable to confirm the high frequency of truncated messages of 4.7R in RB tumors reported by Lee et al.
(17) A transformed cell line containing a truncated gag-abl-pol protein, p85, that lacks most of the FeLV pol sequences was obtained by transfection of NIH 3T3 mouse cells.
(18) The calmodulin-binding domain of the CYA 62 truncated enzyme was labeled with a cleavable radioactive photoaffinity cross-linker coupled to calmodulin.
(19) This truncated receptor, lacking a transmembrane domain, appears not to be expressed at the plasma membrane.
(20) A truncated anchor-minus form of the G2 glycoprotein was found to be secreted into the culture medium, but was retained in the Golgi complex when coexpressed with the G1 glycoprotein.