G-VIII-minus-OD044-1PK 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 OD044-1PK 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-VIII-minus-OD044-1PK octo discs are ideal to test Gram Negative bacteria. OD044-1PK disc can fit on 120 mm media plates. Generally used on Mueller Hinton Agar plates.

Composition G-VIII-minus-OD044-1PK:

Nalidixic acid (NA) 30g

Norfloxacin (NX) 300g

Co-Trimoxazole (COT) 25g

Gentamicin (GEN) 10g

Ampicillin (AMP) 25g

Cefalexin (CN) 30g

Norfloxacin (NX) 10g

Mecillinam (MEC) 33g

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).