Cephalexin interplay with biosolids-derived dissolved natural topic: binding mechanism and implications for adsorption via biochar and clay

Environ. Sci.: Water Res. Technol., 2024, 10,949-959
DOI: 10.1039/D3EW00590A, Paper

Michael P. Schmidt, Daniel J. Ashworth, Abasiofiok Mark Ibekwe
The antibiotic cephalexin binds to DOM under environmentally-relevent solution conditions through π–π bonding. Under conditions where cephalexin–DOM binding occurs, cephalexin adsorption by biochar and clay is impeded by DOM addition.
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