Analysis and treatment of trimethoprim residues in water by γ-irradiation
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Từ khóa:
analysis
antibiotic residues
gamma-irradiation
trimethoprim
water treatment and reuse
Tóm tắt
Trimethoprim (TMP) is widely applied in veterinary and also frequently prescribed together with sulfa-methoxazole (SMX) for human medicine. Therefore TMP residues accumulated in agricultural as well as municipal waste water further contaminate surface water. In this paper, the capability of HPLC/UV to detect and quantify TMP residues in water is thoroughly investigated, yielding LOD = 0.06 µM, LOQ = 0.2 µM and very good reproducible calibration line in the concentration range of 2 µM ÷ 100 µM. The resulting procedure is applied to evaluate the capability to treat TMP residues in water (init. 20 µM ÷ 140 µM) by gamma irradiation. Removal yields greater than 99 % are obtained using absorbed doses 0.3 ÷ 3.0 kGy, respectively. Based on the HPLC/UV chromatograms obtained, some aspects of the TMP radio-lytic products in the investigated samples are briefly discussed.
Tài liệu tham khảo
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Dec 31, 2017
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Cách trích dẫn
Nam D. Le, Thang M. Ngo. “Analysis and Treatment of Trimethoprim Residues in Water by γ-Irradiation”. Tạp Chí Khoa học Và Công nghệ - Đại học Đà Nẵng, vol 12, số p.h 121, Tháng Chạp 2017, tr 15-18, https://jst-ud.vn/jst-ud/article/view/78.
