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Observations on a new disinfectant
  1. A. M. Gordon
  1. Department of Laboratory Medicine, Belvidere Hospital, Glasgow


    A disinfectant formula (Resiguard) containing picloxydine digluconate, benzalkonium chloride, and a detergent was examined for antibacterial activity.

    Studies in vitro with simulated organic contamination were followed by realistic in-use tests employing items of anaesthetic and urological equipment heavily infected with Pseudomonas aeruginosa and contaminated with blood. These showed that a dilution of 1/80 was reliably bactericidal to this resistant organism.

    It is concluded that Resiguard is a valuable disinfectant which may reliably be employed in the cleaning and disinfection of items of delicate, non-autoclavable, hospital equipment.

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