WebSep 25, 2024 · Microbiology Case Studies Using Differential & Selective Media Case 1 A 28-year-old patient arrives at the emergency room with complaints of redness, pain and streaking along the site of a surgical incision on the leg. The patient has a fever, and the incision site is leaking purulent drainage. WebNov 5, 2024 · It is a differential medium but is less selective than MacConkey agar. The lack of crystal violet permits the growth of Staphylococcus and Enterococcus. Staphylococci produce pale pink to …

Solved: 2. EMB plates are both selective and differential, the ...

WebEosin-methylene blue (EMB) medium is a selective medium and a differential medium used for isolation of Gram-negative rods in a variety of specimen types, including being used frequently in clinical laboratories. EMB is a selective medium because it inhibits Gram-positive bacterial growth. WebMar 7, 2024 · The eosin methylene blue agar (EMB agar) is a selective staining for gram-negative bacteria. It contains two dyes in the ratio of 6:1 and is both toxic to gram-positive … chogm 2011 coin value

Bacteria Lab: Enriched, Selective, Differential Media

Web-Eosin Methylene Blue (EMB) agar are selective for Gram-negative organisms and contain indicators to differentiate lactose fermenters from lactose non-fermenters. What are the … WebEosin-methylene Blue Agar (EMB) Type: Differential (lactose) and selective (dye inhibition and precipitation at acid pH) Purpose: Differentiates lactose fermenters ( E. coli) from non-fermenters ( Salmonella, Shigella) Interpretation: Lactose fermenters blue/black; non-fermenters colorless or light purple Examples Hektoen Agar WebJun 10, 2024 · Eosin-Methylene Blue (EMB) agar is a selective & differential medium used to isolate Gram-negative enteric bacteria and distinguish between them. EMB contains 2 … chogm2022 opening ceremony