Neutralization efficacy of ICR contact plates against phenolics and quaternary ammonium compounds

18 Feb 2020

Culture media are developed with appropriate neutralizers or enzymes to overcome antimicrobial properties and facilitate growth of microorganisms. The recommended neutralizers against phenolics and quaternary ammonium compounds are Tween 80® and lecithin. This application note discusses the neutralizer efficacy of three different formulations of ICR contact plates, which include both neutralizers in their mixtures.

Lockable ICRplus Settle Plates

Merck KGaA, Darmstadt, Germany

Lockable ICRplus Settle Plates – For more than just safe transportation The new ICRplus Settle Plates combine the high standard of ICR Settle Plates with a novel two way closure system to increase safety and reliability for active and passive Air Monitoring. Like ICR Settle Plates, the ICRplus Settle Plates are produced under aseptic conditions, gamma-irradiated and triple-bagged, making them optimal for passive air sampling in isolators and clean rooms. Furthermore, they are also suitable for personnel monitoring, as well as active air monitoring with sieve like samplers (e.g. MAS air samplers) and passive air sampling. CLOSED-position for safe transport and aerobic incubation VENT-position mandatory for anaerobic / microaerophilic incubationLockable ICRplus Settle Plates Features & Benefits: Increases safety during transport between sampling area and laboratory. Expands incubation for the detection of anaerobic and microaerophilic microorganisms. Data matrix barcode on each plate: paperless and secure identification of single plates. Transparent, H2O2-impermeable triple-barrier packaging: safe transportation in clean rooms (ISO 5) and isolators. Produced in clean rooms, gamma-irradiated in final packaging: minimizes risk of contamination Storage at room temperature: storable at site of use, decreases storage costs. Long shelf life: fewer incoming goods controls and QC testing. High filling volume: allows prolonged exposure and incubation. SDA in pink plates: easily distinguish between TSA and SDA.

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RESGRO Culture Medium

Merck

RESGRO Culture Medium is a complete ready-to-use product that can be utilized to complement traditional murine Embryonic Stem (ES) cell culture media containing ESGRO® murine LIF medium supplement. In contrast to routine ES cell culture using ESGRO® supplemented medium, RESGRO Culture Medium is recommended for a number of specialized applications.

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Neutralization efficacy of ICR contact plates against phenolics and quaternary ammonium compounds