Hey Friends,

with gram staining, we can distinguish between gram-positive and gram-negative bacteria. The gram staining assay is based on specific chemicals (Crystal violet, Gram´s Iodine solution, alcohol/acetone and safranine/fuchsine).

References:
https://serc.carleton.edu/microbelife...
https://microbiologyinfo.com/gram-sta...

Cheers
Henrik

Time Codes:
0:00 Introduction
0:20 Difference between gram-(+) and gram-(-) bacteria
1:05 Gram Staining
2:26 Antibiotics