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Bedding has been constructed with a vapour-permeable waterproof fabric that is impermeable to house dust mite antigen (Der p1). Der p1 levels per gram of mattress dust after 12 weeks' use of the new covering were 1% of levels in control samples from mattresses cleaned conventionally.
Mycobacterium tuberculosis induces nitrate reductase activity in response to decreasing oxygen levels. This is due to regulation of both the transcription and the activity of the nitrate transporter NarK2. A model of NarK2 structure is proposed containing 12 membrane spanning regions consistent with other members of the major facilitator superfamily. The… (More)
The problem of patients in isolation becoming disconnected from their ventilator systems is a serious one, as the closed doors of an isolation room usually prevent hospital personnel outside the room from hearing or seeing standard ventilator alarms To overcome this potentially life-threatening problem, we modified a standard external low-pressure alarm to… (More)