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Results for “PERIODIC ACIDS”

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PubMed1979

[Mechanism of lymphocyte activation by periodic acids. Blastogenesis and induction of immunomodulator populations].

Mild periodate treatment is mitogenic for T lymphocytes. With murine spleen cells periodate oxidation is effective between C8 and C9 on sialyl acid residues. With human blood lymphocytes this oxidation occurs between C7 and C8 of these residues. In vitro immune response is inhibited by periodate treatment. Activation of an immunosuppressive T lymphocyte population is obtained. Similar results are performed with human blood lymphocytes.

Animals↗
PubMed1993

A dual staining method for neutral carbohydrates and DNA (deoxyribonucleic acid) using periodic acid-thiocarbohydrazide-silver protein-physical development (PA-TCH-SP-PD) and Feulgen (Hot HCl-Schiff) techniques.

A dual staining method was established for the histochemical detection of neutral carbohydrates and deoxyribonucleic acid (DNA) in light microscopy. The method consisted of combined periodic acid-thiocarbohydrazide-silver protein-physical development (PA-TCH-SP-PD) and hot hydrochloric acid (H-HCl)-Schiff (Feulgen) procedures, which produced reaction products of blackish and magenta shades respectively. The present dual staining method is believed to be unusually useful for the light microscopic histochemical studies on neutral carbohydrate-containing cells, since it exhibits a high contrast between these two shades and reveals distinctly the localization of cytoplasmic neutral carbohydrates and nuclear DNA in one and the same tissue section.

Animals↗