silver staining

https://doi.org/10.1351/goldbook.12075
Method for visualization of macromolecules such as nucleic acids and proteins, typically in electrophoretic gels or formalin-fixed histological sections, based on the reduction of silver salts to metallic silver or formation of crystalline silver compounds.
See also: Golgi staining
Source:
PAC, 2015, 87, 841. (IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)) on page 905 [Terms] [Paper]