Protein crystals, large or small, can be stained with Mercury bromphenol blue, Amido black 10B and Coomassie brilliant blue R250 or G250 but salt crystals are not.

• 本文报导了蛋白质晶体能被汞溴酚蓝、氨基黑10B和考马斯亮蓝R250或G250染色；而无机盐晶体不被染色.