Histochemical reactions at tissue arginine sites with alkaline solutions of -naphthoquinone-4-sodium sulfonate and other o-quinones and oxidized o-diphenols. A possible mechanism of the Sakaguchi reaction.

Acylation Aldehydes/antagonists & inhibitors Animals Arginine/analysis,antagonists & inhibitors Arteries/analysis Barium Calcium Cell Nucleus/analysis Chemical Phenomena Chemistry Chlorides Collagen/analysis Deamination Eosinophils/analysis Guinea Pigs Hair/analysis Histocytochemistry Humans Hyalin/analysis Hydrogen-Ion Concentration Hydroxides Intestines/analysis Keratins/analysis Leukocytes/analysis Magnesium Male Methylation Phenols/pharmacology Quinones/pharmacology Rats Skin/analysis Spermatozoa/analysis Stomach/analysis Strontium Sulfhydryl Compounds/antagonists & inhibitors Sulfonic Acids/pharmacology Time Factors

Aldehydes Chlorides Hydroxides Phenols Quinones Sulfhydryl Compounds Sulfonic Acids Barium Keratins Collagen Arginine Magnesium Calcium Strontium