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Biodegradable nano carbon-based smart filters for efficient remediation of pharmaceutical contaminants†

Laurel K. Dodgen,Brajendra K. Sharma,Wei Zheng
Journal of Materials Chemistry A Pub Date : 10/15/2018 00:00:00 , DOI:10.1039/C8TA05308A
Abstract

Emerging chemical contaminants such as pharmaceutical residues in water resources continue to threaten the homeostasis of our ecosystem. We have developed a ‘smart-filter’ comprising tunable, biodegradable, and commercially amenable pharmaceutical-nano-carbon-scavengers (PNCSs) to efficiently and safely remediate pharmaceutical residues. The PNCS particles successfully removed 63.5 ± 0.4% of carbamazepine, 99.76 ± 0.01% of gemfibrozil and >99.9% of triclocarban from a mixture containing 0.2 μg L−1 of each by merely using 0.5 mg mL−1 of PNCS, thus out-performing commonly used scavengers.

Graphical abstract: Biodegradable nano carbon-based smart filters for efficient remediation of pharmaceutical contaminants
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