Karnovsky fixative
Karnovsky fixative, developed by the pathologist Morris J. Karnovsky (1926–2018), is a fixative for electron microscopy. == Solution == The stock solution for Karnovsky fixative is as follows: 2.0 g paraformaldehyde 25 ml distilled water 1M sodium hydroxide 2 to 4 drops 50% glutaraldehyde 5.0 ml 0.2M cacodylate buffer, pH 7.4, 20.0 ml Mix the paraformaldehyde with 25 ml of distilled water in a 125 ml Erlenmeyer flask.