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US 2014/0370585 A1Published application
Environmental sampling articles and methods
Assignee3M Innovative Properties Company
InventorsCYNTHIA D. ZOOK, ROBERT H. SILBERNAGEL, BARBARA L. HORTER, HENRY J. LUBRANT, ROBERT E. KOERITZER
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Abstract
The present invention refers to articles for collecting samples from a surface, articles for microbiological analyses of said samples, and methods of use of said articles. The articles include sample collectors, sample housings with optional barrier layers, and sample-ready reagent strips comprising hydrophilic agents to grow and detect microorganisms. The disclosure includes methods to collect, detect, and quantify microorganisms in a surface sample.
Claims9
A kit for sampling and enumerating microorganisms, the kit comprising:
- a sample housing comprising
- a bottom member comprising a self-supporting water impervious substrate with upper and lower major surfaces;
- a cover sheet comprising a substrate with upper and lower major surfaces wherein at least part of one major surface is coated with a cold water soluble powder including at least one gelling agent;
- and
- a barrier layer positioned between the cover sheet and the bottom member.
2 more elements
Dependencies are inferred from the claim text.