Detection of lead in blood
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United States of America Patent
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-
Sep 29, 1998
Grant Date -
N/A
app pub date -
Oct 15, 1996
filing date -
Feb 11, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device (10) is disclosed for measuring the concentration of metal ions in solution, particularly lead in blood. The device comprises a mercury free electrode (16), which is separated from the test solution (21) by a layer of material (20) which permits passage therethrough of the ions to be measured. In preferred embodiments an insulating layer (18) having an array of photoablated holes (19) is disposed between the electrode and the ion-permeable layer (20). Also disclosed are methods for operating the device and measuring ion concentration using anodic stripping voltametry, and assay kits incorporating devices as described together with appropriate meters and circuitry.
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