(v. t.) To stain; to color; to give a new and permanent color to, as by the application of dyestuffs.
(n.) Color produced by dyeing.
(n.) Material used for dyeing; a dyestuff.
(n.) Same as Die, a lot.
Example Sentences:
(1) The most successful dyes were phenocyanin TC, gallein, fluorone black, alizarin cyanin BB and alizarin blue S. Celestin blue B with an iron mordant is quite successful if properly handled to prevent gelling of solutions.
(2) The actions of the polyvalent cationic dye Ruthenium Red and the enzyme neuraminidase were studied at the frog neuromuscular junction.
(3) Significant increases in the extravasation of dye were observed in both animal groups sensitized with IgG1 and IgG2 antibodies.
(4) While the reduced form of the "derived" polyphenolic compounds, generated during tissue homogenization, appeared to enhance dye binding with bovine serum albumin, their influence on the protein assay directly in crude homogenates was extremely diverse.
(5) To selectively stain polyanionic macromolecules of growth plate cartilage and to prevent artifacts induced by aqueous fixation, proximal tibial growth plates were excised from rats, slam-frozen, and freeze-substituted in 100% methanol containing the cationic dye Alcian blue.
(6) This dye is concentrated and secreted by the parietal cells.
(7) The rhodamine 123-induced growth inhibition was partially reversed by treating the dye-pre-exposed infected erythrocytes with the proton ionophore carbonyl-cyanide m-chlorophenylhydrazone, which dissipates transmembrane proton gradients.
(8) The duration of electrophoresis was based on the migration of a marker dye for a predetermined distance.
(9) Effects of fixation with glutaraldehyde (GA), glutaraldehyde-osmium tetroxide (GA-OsO(4)), and osmium tetroxide (OsO(4)) on ion and ATP content, cell volume, vital dye staining, and stability to mechanical and thermal stress were studied in Ehrlich ascites tumor cells (EATC).
(10) By using pH- or Ca(2+)-sensitive dyes and recording at the ion-sensitive and -insensitive (isosbestic) wavelengths, the method can measure both cell volume changes and intracellular ionic activities.
(11) An argon dye laser system with lambda em=630 nm (400 mW cm-2) was used for PDT with a total light dose of 400 J cm-2.
(12) In a complete system, consisting of a dye-donor couple, ferredoxin, thioredoxin and ferredoxin-thioredoxin reductase, light activation of purified spinach fructose-1,6-bisphosphatase was observed in vitro.
(13) When given 30 min after acetic acid instillation SC-41930 prevented the rise in myeloperoxidase and dye extravasation observed in the acetic acid inflammed tissue.
(14) A comparison was made between the Q's estimated by the CO2 rebreathing method during tethered swimming and previously published data on Q determined by the dye-dilution method during free swimming in a flune.
(15) A novel staining procedure for enumerating osteoclasts on neonatal mouse calvaria with the vital fluorescent dye acridine orange is described.
(16) Thus, angiographic dye appears to decrease heart rate by a direct effect on pacemaker tissue and by reflex vagal suppression of the sinus pacemaker.
(17) The purpose of this study was to compare the level of apical dye penetration when different sealers were used.
(18) This protein which we call CBP-58 bears similarities to the endoplasmic reticulum protein, calreticulin, in that it has a pI of 4.7 containing approximately 30% glutamate and aspartate, has a high capacity for calcium, and stains blue with the carbocyanine dye, 'Stains-all'.
(19) Minced and triturated fragments from the spinal cord of normal rat fetuses (15-18 days gestation) labeled with the fluorescent dye fast blue (FB) were successfully transplanted into juvenile myelin-deficient rat spinal cord under direct observation.
(20) In vitro, the soluble core PEI and membrane both bound reactive substances of limited aqueous stability, such as from [14C]N-methyl-N-nitrosourea ([14C]NMU), and aqueous stable dyes of molecular weight up to 1000.
Orcein
Definition:
(n.) A reddish brown amorphous dyestuff, /, obtained from orcin, and forming the essential coloring matter of cudbear and archil. It is closely related to litmus.
Example Sentences:
(1) The orcein staining method seems to be a reliable addition to differentiating histologically between PBC and CAH.
(2) Microscopic examinations of eggs stained with aceto-orcein or the DNA fluorochrome bisbenzimide and direct observations on isolated sperm aster complexes show that halothane induces polyspermy (multiple sperm entry) when present at fertilization.
(3) 5 in whom a clinical and histological diagnosis of Indian Childhood Cirrhosis was made had massive orcein-staining deposits in liver cells.
(4) Determination of fungal elastase, however, requires partial purification of culture extracts and the orcein elastin or gravimetric method.
(6) The orcein positive substance localized in the cytoplasm of hepatocytes, less often it was also seen in a few Kupffer cells.
(7) Aceto-orcein and Giemsa when used cold were found to produce relatively artefact-free preparations.
(8) Orcein-positive material in Kupffer cells was not associated with HBsAg as evaluated by the immune peroxidase method.
(9) This enzyme was inactivated by diisopropyl fluorophosphate (DFP), phenylmethyl sulphonylfluoride (PMSF), soybean trypsin inhibitor (SBTI), or elastatinal, suggesting a seryl protease resembling elastase, but it failed to digest elastin-orcein.
(10) This group of patients may therefore have both biliary disease are hepatocellular damage, and can be separated from CAH by the orcein method.
(11) These HBcAg inclusions stain greyish pink with chromotrope aniline blue and are negative for orcein, the periodic acid-Schiff reaction, and the Feulgen reaction for DNA.
(12) Liver specimens from 103 patients with various hepatic diseases and from 297 consecutive liver biopsies examined routinely were stained with orcein after oxidation of the tissue sections with potassium permanganate.
(13) One conspicuous feature was the substantially reduced quantity of positive elements in comparison with the results of staining with aldehydefuchsine and orceine.
(14) Cytofluorometric measurements of orcein-stained chromatin revealed an emission peak at 585 nm with a shoulder at 620 nm.
(15) Orcein-positive material was very frequently found in protracted viral hepatitis and in chronic active hepatitis, as well as in other liver diseases with or without cholestasis; it was absent in liver cirrhosis.
(16) The pattern of copper distribution in human newborn liver was investigated by histochemical methods (rhodamine, orcein and rubeanic acid) and by atomic absorption spectroscopy.
(17) OPHM in HCC was stained with orcein when the tissue sections were preoxidized.
(18) It did not correspond to the pattern and texture of material stained with PAS, Sudan Black or acid orcein.
(19) root tips) and involves the treatment of root tips with 1-2% solution of trypsin either in buffer or in 0.5 N HCl for 5-10 minutes at 37 C or for 30-60 minutes near 0 C followed by staining with 1.5% acetic orcein: 1 N HCl (19:1).
(20) All 17 biopsy specimens from patients with Wilson's disease had high liver copper concentrations, but only nine had positive staining for copper, and six were orcein positive.