Colorimetry of p-aminohippurate in the presence of sulfamethoxazole.
نویسندگان
چکیده
Colorimetric quantification of p-aminohippurate (PAH), which is helpful in assessment of renal function, is subject to interference from sulfa compounds such as sulfamethoxazole. We were unable to measure serum PAH in two patients receiving a trimethoprim-sulfamethoxazole combination because of interference by the latter with the colorimetric estimation. We found that isoamyl acetate removes sulfamethoxazole from the samples without influencing PAH. The extraction is simple, inexpensive, and reproducible.
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ورودعنوان ژورنال:
- Clinical chemistry
دوره 34 2 شماره
صفحات -
تاریخ انتشار 1988