Assay devices
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United States of America Patent
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Feb 13, 2001
Grant Date -
N/A
app pub date -
Mar 15, 1996
filing date -
Mar 17, 1995
priority date (Note) -
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Abstract
Storage stability of an assay device, comprising an assay strip and sensitive reagents such as antibodies within a plastics casing, is maintained by moulding some or all of the casing from dessicant-containing plastics material, especially a blend of about 60-65% polystyrene and about 30% silica dust. Ideally the desiccant-containing plastics material is used in the moulding of a removable cap for the device. The cap can be made by sandwich injection moulding, using the dessicant-containing polystyrene as a core, surrounded by conventional polystyrene.
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