Devices for use in chemical test procedures

Details Devices for use in chemical test procedures Devices for use in chemical test procedures

G - Physics

01

N

358/12, 167/43,

G01N 21/64 (2006.01) B01L 3/00 (2006.01) G01N 1/10 (2006.01) G01N 21/77 (2006.01) G01N 33/53 (2006.01) G01N 33/533 (2006.01) G01N 33/543 (2006.01)

Patent

CA 2031515

The invention relates to a device for use in methods of assay, for example those involving fluorescent moieties. The device possesses a cavity or cavities into which sample liquid may be drawn by capillary action. Each cavity is formed from two transparent solid plates (35, 36): one (36) is adapted to act as a waveguide and carries a suitable immobilised reagent on its surface within the cavity; the other (35) carries on its external surface and optionally also on part only of its internal surface a layer of tight-absorbing material (37). The invention also relates to a method of manufacturing devices according to the invention, and to a method of assaying for a ligand in a sample using a device according to the invention.

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