(a.) Of or pertaining to tan; derived from, or resembling, tan; as, tannic acid.
Example Sentences:
(1) In normal kidneys fixed by perfusion with tannic acid and glutaraldehyde, glomerular slit diaphragms have been reported to consist of highly ordered and isoporous substructures with a zipper-like configuration.
(2) Tannic acid-treated sheep erythrocytes were sensitized with sonicated antigen prepared from M bovis cultures.
(3) Ultrarapid freezing, followed by delicate freeze-substitution, immobilizes and retains much more ECM than chemical fixatives that include tannic acid (TA).
(4) Colloidal gold particles of different size (3-20 nm in diameter) were prepared by tannic acid-citrate and citrate reduction methods.
(5) After fixing, some specimens were embedded in resin and prepared in ultra thin sections before being triple stained with tannic acid-ethanol uranium-lead.
(6) In the aleurone cells, the cytoplasm and the outer portion of the wall are autofluorescent; tannic acid-ferric chloride stains the outer portion of the wall and allows to see clearly the inner thickenings, DAPI and haematoxylin demonstrate the presence of the nucleus.
(7) Within 4-6 h following tannic acid injection, rat hepatocytes transplanted into the anterior chamber of eye and inguinal fat pads of rat and athymic nude mouse, showed changes of nucleolar components, with separation of ribonucleoprotein containing granules into discrete dark zones.
(8) It is concluded from morphological studies, as well as previous tracer studies, that tannic acid, at least to a great extent, prevents the extraction of phosphatidylcholine.
(9) In rigor control, crossbridges were most regular in muscles that were stabilized before freezing by prefixation in glutaraldehyde followed by 'hardening' with neutralized tannic acid, so all nucleotide treatments were terminated by such fixation.
(10) The detection of luminar glycocalyx of pancreatic acinar and ductular cells succeeded by injections of different markers, such as ruthenium red, lanthanum hydroxide, tannic acid, colloidal iron or ferritin in the pancreatic duct system.
(11) Tannic acid and dextran have been used to arrest the exocytosis of secretory granules in the atria of the rat heart.
(12) With glutaraldehyde-tannic acid fixation, the basal lamina of the otic pit cells shows differences from that of the normal otic pit.
(13) Infusion of tannic acid in high-K+ saline enabled sites of granule exocytosis to be visualized.
(14) The modifying effects of the naturally occurring antioxidants gamma-oryzanol, phytic acid, tannic acid and n-tritriacontane-16, 18-dione (TTAD) were investigated in a rat wide-spectrum organ carcinogenesis model.
(15) Higher concentrations of tannic acid improved the sensitivity of the cells but required an increased concentration of stabilizing serum to prevent autoagglutination.
(16) The present report indicates that tannic acid and morin are effective in reducing plasma and liver lipids when supplemented with a high fat diet in rats.
(17) Various nerves of 6 representative species of mammals (including the human) were studied by the comparative association of the selective staining methods of light microscopy with the ultrastructural observation after tannic acid-glutaraldehyde fixation, which provided a reliable means of characterizing the different elastic system fibers.
(18) After aldehyde-tannic fixation, Zinc-iodine-osmium fixation, Phospho Tungstic acid-chromium stain and two cytochemical reactions, the ultrastructure of the Golgi complex of early spermatids in the guinea pig reveals two different regions.
(19) No exchange of eosin Y or diC18Icc from YAC cells into bound tannic acid-treated erythrocytes was found.
(20) Axonemes from the heterosporous water fern Marsilea vestita were fixed in the presence of tannic acid and examined by thin-section electron microscopy.
Tannin
Definition:
(n.) Same as Tannic acid, under Tannic.
Example Sentences:
(1) Retention of iron from an RKB test meal was increased from 69.6 to 73% when about 90% of the extractable tannins were removed, but the difference was not statistically significant.
(2) These were analyzed for: tannins, trypsin inhibitors, hemagglutinins (with cow, sheep, and human erythrocytes), damaged starch, available lysine, protein quality (by the NPR method), and true digestibility.
(3) The effect of plant species containing tannins on the tenacity of Cl.
(4) No appreciable changes were observed in the trypsin inhibitor and tannin contents during germination.
(5) The results suggest the dependence of stimulation of monocyte iodination by tannins and related polyphenols on molecular weight.
(6) Studies were conducted to compare the effects of feeding high-tannin sorghum (HTS)- and low-tannin sorghum (LTS)-based diets suboptimal in protein to ducks, chicks, and rats.
(7) Tannin-induced relaxations were unaltered by pretreatment of tissues with indomethacin but were significantly reduced by pretreatment with hemoglobin.
(8) Tannins inactivated trypsin the most, alpha-amylase to a lesser extent and lipase the least and as a consequence lowered the digestion of amino acids the most, starch to a lesser extent and lipid the least.
(9) Four tannins were isolated from dried leaves of Thiloa glaucocarpa, which is one of the plants causing poisoning of cattle in Brazil.
(10) These studies demonstrate that tannin is deactivated completely under conditions where urea is an effective preservative of high moisture milo.
(11) Experiments were conducted to determine the effectiveness of urea in deactivating tannin in high tannin milo.
(12) The structures of plant polyphenols (vegetable tannins) are briefly reviewed.
(13) We have shown that the tannins chebulinic acid and punicalin were able to block the binding of HIV rgp120 to CD4.
(14) These experiments therefore conclusively show that high concentrations of condensed tannin induced by growing Lotus pedunculatus under low soil fertility conditions prevent maximum expression of LWG and wool growth in grazing sheep.
(15) The induction of interleukin-1 (IL-1) by agrimoniin, a tannin of Agrimonia pilosa Ledeb., in human peripheral blood mononuclear cells (PBMC) in vitro and in mouse adherent peritoneal exudate cells (PEC) in vivo was studied.
(16) Among chemically defined natural polyphenols, condensed tannins (epicatechin gallate oligomers) and monomeric and oligomeric hydrolyzable tannins potently stimulated PMN iodination, whereas polyphenols of lower molecular weight (gallic acid, alkyl gallates, epicatechin, epicatechin gallate, epigallocatechin, caffeic acid derivatives and licorice flavonoids) had much less activity.
(17) After removing tannin with caffeine complexes subjected to column chromatography on Dowex 1 x 8 gave four fractions containing both amino acids and nucleotides.
(18) A study was made of the molecular binding parameters during the sensitization of human IgG with tannin-treated sheep erythrocytes, depending on the concentration of the reacting components.
(19) Nearly one-third of the active plants belong to families that are known as especially rich in tannin.
(20) Of the nineteen plants screened, six were found to contain large quantities of condensed tannins.