Protargol silver impregnation and neuronal selectivity for light and electron microscopic observations.
Assay: ~8% Ag basis
Titration: 7,0 to 9,0%
pH: 8,0 to 9,5 (10 mg/ml in water)
Solubility: 1 g in 10 ml of water
Silver proteinate (protargol) is used as a component of the Periodic Acid-ThioSemiCarbazide-Silver Proteinate (PA-TSC-SP) staining protocol for ultrastructural detection of carbohydrates such as glycogen, and proteoglycans.