| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
In an assay for determn. of protein in an aq. test fluid which comprises combining fluid with molybdate salt & pyrogallol red to form a complex with molybdate ion & the absorption band of complex is shifted in the presence of protein to provide a detectable response with good resolution at protein concn. < 150 mg/dL, the IMPROVEMENT which comprises - Introducing into the assay a substituted phenolsulfonephtha lein dye having a pKa which enables it to operate at pH 1 - 3 & whose affinity for protein is such that it will provide a detec table response only in the presence of > 50 mg/dL protein to thereby render the assay suitable for detection of total protein in test fluid |
| PATENT PHOTOCOPY | Available on request |
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