Abstract
A point-of-use 0.2-microm filter was evaluated for elimination of nontuberculosis mycobacteria in laboratory water to reduce false-positive acid-fast bacillus staining results. Use of the point-of-use filter can significantly reduce the false-positive rate to 1.2% compared to samples treated with tap water (10.7%) and deionized water (8.7%).
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Clinical Laboratory Techniques
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Cross Infection / microbiology
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Cross Infection / prevention & control
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Disposable Equipment / standards*
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False Positive Reactions*
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Filtration / instrumentation*
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Filtration / standards
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Mycobacterium / genetics
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Mycobacterium / isolation & purification
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Staining and Labeling
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Tuberculosis / diagnosis*
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Tuberculosis / microbiology
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Water
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Water Microbiology*
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Water Purification / instrumentation*
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Water Purification / standards