Mast Group Ltd. has been a manufacturer of antibiotic susceptibility test products (AST)  for over 60 years and remains at the forefront of developments in this field.

Disc diffusion continues to be a popular method for determining bacterial antibiotic susceptibility for research applications and for food residue testing. Mast has an increasing range available from either stock or to special order, presented in dispensing cartridges.  Please note discs within this range are not CE marked.

  • Flexible, personalised service manufacturing antibiotic susceptibility discs to customer specification, with low minimum order quantity
  • All discs are strictly quality controlled for antimicrobial potency and batch uniformity.
  • Inhibition zone diameters can be read by eye, manually using calipers or with a zone reader
  • Compatible with the MAST® DISCMASTER Dispenser for up to 28 days stability including the Carbapenem group and smooth integration into laboratory workflows.
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POLYMYXIN B 100 units Cartridge discs

PB100C/NCE

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POLYMYXIN B 300ug Cartridge discs

PB300C/NCE

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PENICILLIN G 0.01 units Cartridge discs

PG0.01C/NCE

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PENICILLIN G 6 units Cartridge discs

PG6C/NCE

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RIFAXIMIN 40ug Cartridge discs

RAX40C/NCE

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STREPTOMYCIN 0.5ug Cartridge discs

S0.5C/NCE

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STREPTOMYCIN 25ug Cartridge discs

S25C/NCE

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AMPICILLIN/ SULBACTAM 20-10g Cartridge discs

SAM30C/NCE

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SULPHADIMIDINE 0.5ug Cartridge discs

SD0.5C/NCE

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SULPHAFURAZOLE 200ug Cartridge discs

SF200C/NCE

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SPECTINOMYCIN 10ug Cartridge discs

SPC10C/NCE

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TIAMULIN 30ug Cartridge discs

TIA30C/NCE

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TOBRAMYCIN 30ug Cartridge discs

TN30C/NCE

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