Element and system for collecting, transporting and storing samp

Details Element and system for collecting, transporting and storing samp Element and system for collecting, transporting and storing samp

1996-06-24

1998-07-21

Noland, Thomas P.

Measuring and testing

Sampler, sample handling, etc.

Capture device

G01N 110, G01N 118

Patent

active

057837597

ABSTRACT:
Disclosed is an element for collecting, transporting and storing sample material to be analyzed containing absorptive matrix material. The element contains a first and a second layer of absorptive matrix material which are arranged side by side, next to, and touching one another on an inert support material in a contact enabling liquid transfer in such a manner that liquid can pass from the first into the second layer when the first layer is filled with liquid. The first layer can be completely separated from the second layer after applying and drying the sample material. Also disclosed is a system containing such an element and a closable envelope in which the element can be transported. In addition, the invention concerns a method for analyzing a liquid sample material in which the liquid sample material is applied to an element according to the invention, the first layer is separated from the second layer of absorptive matrix material for analysis and is subsequently eluted.

REFERENCES:
patent: 2902146 (1959-09-01), Doherty
patent: 3282114 (1966-11-01), Pell
patent: 3496777 (1970-02-01), Packer et al.
patent: 4175439 (1979-11-01), Laker
patent: 4308028 (1981-12-01), Elkins
patent: 4539182 (1985-09-01), Johnson et al.
patent: 4849340 (1989-07-01), Oberhardt
patent: 5213766 (1993-05-01), Flesher et al.

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