Wednesday, 8 April 2015

Stains

some stains and media
1.Giemsa’s Stain :-Borrelia, Plasmodium, Trypanosomes, Chlamydia
2.PAS Stain (periodic acid-Schiff) :-Whipple’s Disease. Stains glycogen & mucopolysaccharides.
3.Ziehl-Neelsen Stain :-Acid-fast bacteria
4.India ink :-Cryptococcus neoformans
5.Silver Stain :-Fungi, Leigonella
6.Chocolate agar :-H flu: Factor V (NAD) & X (hematin)
7.Thayer-Martin Media :-N. gonorrhoeae
8.Bordet-Gengou Agar ertussis. Potato-based agar.
9.Tellurite Plate, Loeffler Medium :-Corynebacterium Diptheriae -> black colony
10.Lowenstein-Jensen Agar :-TB
11.MacConkey’s Agar :-Lactose fermenting enteric bacteria -> Pink (Kleb, E coli , Entero > Citro, Serratia)
12.Charcoal Yeast Extract :-Leigonella, buffered with iron & cysteine
13.Sbouraud’s Agar :-Fungi

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