How to Do a Gram Stain? - Biology Lab Techniques
111.8 هزار بار بازدید -
21 ساعت پیش
-
Gram staining is a method
Gram staining is a method of staining used to distinguish and classify bacterial species into two large groups (gram-positive and gram-negative). The name comes from the Danish bacteriologist Hans Christian Gram, who developed the technique.
00:00 - Gram Stain description
00:37 - Heat-fixation
00:53 - Reagents description
01:05 - Crystal violet application
01:30 - Lugol's reagent application
01:52 - Ethanol/Acetone wash
02:19 - Safranin application
02:41 - Drying
02:44 - Microscopic observation
Video produced by Dr Guillaume Erard @guillaumeerard
Techniques demonstrated by Ms Ayumu Nishimura
Learn more on www.stmaur.ac.jp/
#microbiology #gramstain #ibbiology
21 ساعت پیش
در تاریخ 1403/07/16 منتشر شده
است.
111,800
بـار بازدید شده