periodic acid


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Related to periodic acid: Periodic acid Schiff

per·i·od·ic ac·id

(pēr'ē-ō'dik as'id),
1. HIO4, but existing in solution, usually in hydrated form; used in carbohydrate detection and analysis. Synonym(s): metaperiodic acid
2. Any of several iodic(VII) acids formed by the combination of iodine heptoxide, I2O7, with water.
References in periodicals archive ?
Impression cytology of normal transition zone from cornea to limbus (x40, periodic acid Schiff staining).
Impression cytology of the conjunctival surface showing snake-like chromatin in keratoconjunctivitis sicca (x100, periodic acid Schiff staining).
4, 6] The tumor cell cytoplasm contains periodic acid Schiff positive and diastase labile material.
Histopathological examination usually shows an abscess or a granulomatous lesion with presence of pigmented yeasts and pseudohyphae or septate hyphae which will show positivity for periodic acid Schiff and Gomori's methanamine silver stains.
The bone marrow also showed similar cells, with karyomegaly, dense chromatin, and coalescing vacuoles which were Periodic Acid Schiff (PAS) negative.
x mountant, Dab(diamino benzidine), Disodium hydrogen phosphate, Ea-36, Edta powder, Eosin yellow powder, Ethanol, Ether, Ferric chloride, Formalin, Formic acid, Geimsa powder, Glycerol, Gold chloride, Haematoxylin powder, Hydrochloric acid, Hydrogen peroxide, Hypochlorite solution, Iron alum, Isopropyl alcohol, Leishman stain powder, Light green sf yellow, Lithium carbonate, Magnesium sulphate, May grunwald stain powder, Mercuric oxide, Mercuric sulphate, Mercuric iodide, Methanol, Methylene blue stain(powder), Micro cover glass 22x22, Micro cover glass 22x40, Micro cover glass 22x50, Micro slides, Neutral red powder, Nitric acid, Og-6 solution, Orange g stain, Paraffin wax, Periodic acid, Phloxine, Phospho tungstic acid, Picric acid, Pot .
8] Moreover, the presence of the acidophilic granules gives the tumor cells a foamy appearance [9] and a diastase-resistance periodic acid Schiff reaction.

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