First report of pharmaceuticals and personal care products in two tropical rivers of southwestern India

被引：0
作者：
Derrick Ian Joshua
Yerabham Praveenkumarreddy
Valiparambil Prabhakaranunni Prabhasankar
Andrea Petula D’Souza
Nobuyoshi Yamashita
Keshava Balakrishna
机构：
[1] Manipal Institute of Technology,Department of Civil Engineering
[2] Manipal Academy of Higher Education,Department of Civil Engineering
[3] Christ College of Engineering,Department of Geography and Environmental Management, Faculty of Environment
[4] University of Waterloo,undefined
[5] National Institute of Advanced Industrial Science and Technology (AIST),undefined
来源：
Environmental Monitoring and Assessment | 2020年 / 192卷
关键词：
Pharmaceuticals; Sulfamethoxazole; Nethravati river; Swarna river; Seasonal variations;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The occurrence of selected pharmaceuticals (trimethoprim, sulfamethoxazole, chloramphenicol, bezafibrate, ceftriaxone, and naproxen) in two west-flowing tropical rivers (Swarna and Nethravati) of southwestern India is reported for the first time. Water samples were collected during the monsoon and post-monsoon seasons from river water end members and further downstream up to their confluence with the adjacent Arabian Sea. Samples were analyzed using HPLC–MS/MS. Results revealed that there were no significant seasonal variations in concentrations of target analytes in both the rivers. Of the total number of samples analyzed (n = 24), trimethoprim was detected in 100% of the samples, whereas sulfamethoxazole (SMX), chloramphenicol (CAP), ceftriaxone (CTX), and naproxen (NPX) were detected in between 91 and 58% of the samples. Bezafibrate (BZF) was not detected in the samples. Nethravathi river showed higher concentrations of pharmaceuticals than the Swarna river which may be attributed to comparatively larger human population in the basin. Possible impacts of PPCPs on aquatic life offer further scope for study.
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