Question

microbial capsules are stained by _____ ??

Answer 1

crystal violet is used as the primary stain

Answer 2

Hmm.. But I think the answer is negetaive staining..

Answer 3

Yes - you can't get a basic stain to stick to the capsule. You do, however need to stain the cell, then use a negative stain to colour the background. The cell will have colour, the background will have colour and the capsule will show up as a clear halo.

Answer 4

Indian Ink