Localization of carbohydrates in thick and ultrathin LR white-embedded tissue sections oxidized by acetic anhydride in dimethyl sulfoxide.

Basic and applied histochemistry Pub Date : 1989-01-01
H K Lo, G I Malinin
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Abstract

The applicability of acetic anhydride (AA) in dimethyl sulfoxide (DMSO) for the oxidation of polysaccharide and their subsequent visualization with thiocarbohydrazide (TCH) and silver proteinate (SP) was evaluated on LR White-embedded thick and ultrathin liver sections. The results of these studies indicated that AA-DMSO-TCH-SP reaction is chemically specific on LR White-embedded tissues and that it offers distinct advantages for the localization of minute glycogen aggregates.

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二甲基亚砜中乙酸酐氧化的厚和超薄LR白包埋组织切片中碳水化合物的定位。
研究了二甲基亚砜(DMSO)中乙酸酐(AA)对多糖的氧化作用,以及随后与硫代碳酰肼(TCH)和蛋白酸银(SP)在LR白包埋厚、超薄肝脏切片上的可视化效果。这些研究结果表明,AA-DMSO-TCH-SP反应对LR白包埋组织具有化学特异性,并且它为微小糖原聚集体的定位提供了明显的优势。
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