Sample collection device with assay reagent and barrier

Details Sample collection device with assay reagent and barrier Sample collection device with assay reagent and barrier

1995-11-22

1998-06-02

Chilcot, Richard

Measuring and testing

Sampler, sample handling, etc.

Capture device

73863, G01N 112, G01N 1100

Patent

active

057603154

ABSTRACT:
A sample collection device is described which comprises an absorbing material which can readily absorb and release test liquid, and which additionally comprises at least one assay reagent. The assay reagent is present in only part of the absorbing material, the remaining part of the absorbing material is located upstream the part comprising the assay reagent and serves as a reservoir for test liquid to be used as a washing fluid. The part of the absorbing material comprising the assay reagent is provided with means to prevent washing out of the assay reagent during sample taking, while allowing the availability of said assay reagent for test performance during or after sample taking.

REFERENCES:
patent: 4308028 (1981-12-01), Elkins
patent: 4624929 (1986-11-01), Ullman
patent: 5132232 (1992-07-01), Parker
patent: 5460781 (1995-10-01), Hori et al.

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