Carbon Nanodots-Embedded Pullulan Nanofibers for Sulfathiazole Removal from Wastewater Streams.

A smooth and fine structure of fibers was observed with an average diameter of ~140 nm in M1 ( Figure 2 a), while the addition of CNDs showed an increasing trend of roughness as well as fiber diameter in M2, M3, and M4 ( Figure 2 b–d).

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