| 摘要 |
PURPOSE: A method for quantifying microorganisms present in water sources through the use of filtration and elution with a unique disposable filtration capsule is provided which is applicable to quantitation of Cryptosporidium and Giardia pathogens from lakes, streams, drinking water systems, and the like. CONSTITUTION: Use of a disposable filtration capsule with a non-occluded membrane filter element in the place of a standard spiral wound cartridge allows for the more rapid and quantitative filtration, recovery, and quantitation of microorganisms in liquid, particularly surface waters, well water, tap water, and the like. The capsule allows a severe reduction in the water sample size tested, substantially minimizes risks of cross contamination, and provides a leak-proof vessel for shipment. Risks of infection of laboratory personnel and time of analysis are both reduced. Costs of measuring contamination by microorganisms such as Giardia and Cryptosporidium is lowered significantly while increasing the accuracy and dependability of the measurement.
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