MASTRING-S® Systemic Gram Negative Rings

MASTRING-S® is a specialised antibiotic susceptibility testing (AST) ring, developed by Mast Group, designed for rapid, simultaneous, and standardised susceptibility testing of 6 or 8 antibiotics in a single device. Originally designed in the 1960s to facilitate the Stokes technique, it remains a widely used, convenient alternative to traditional individual antibiotic disc diffusion. Antibiotics included within this MASTRING-S® includes: Ampicillin 10μg, Cephalothin 5μg, Colistin Sulphate 25μg, Gentamicin 10μg, Streptomycin 10μg, Sulphatriad 200μg, Tetracycline 25μg, Cotrimoxazole 25μg