G Minus-28-OD312R-1PK is 8-in-one multi disc, referred to as an octo disc under HiMedia catalogue. It is designed for testing antimicrobial susceptibility of bacteria for 8 different antibiotics at a time. Each pack of OD312R-1PK contains 10 flat circular rings; each ring containing 8 equidistance arms at the periphery. At the end of the each arm, there is one antibiotic disc with 6mm diameter. Each disc is saturated with a different antibiotic and the concentration and symbol of the respective antibiotic printed on it. Each disc is at least 24mm apart from the other disc. G Minus-28-OD312R-1PK octo discs are ideal to test Gram Negative bacteria. OD312R-1PK disc can fit on 90 mm media plates. Generally used on Mueller Hinton Agar plates.

Composition G Minus-28-OD312R-1PK:

Piperacillin /Tazobactam (PIT) 100/10 mcg

Amikacin (AK) 30 mcg

Cefoperazone/Sulbactam (CFS) 75/10 mcg

Meropenem (MRP) 10 mcg

Gentamicin (GEN) 10 mcg

Cefepime ( CPM) 30 mcg

Cefotaxime (CTX) 30 mcg

Levofloxacin (LE) 5 mcg

Storage and shelf life: It is advised to store the discs always at -200C after opening. The disc loses its stability at higher temperature (450C).