Abstract

We report the synthesis, structure, and influenza A virus trapping capability of protein nanotubes with an internal wall of fetuin glycoprotein. The nanotubes were fabricated via the alternating layer-by-layer assembly of human serum albumin (HSA), poly-l-arginine (PLA), and fetuin into a track-etched polycarbonate (PC) membrane (pore size, 800 nm), followed by dissolution of the PC template. In an aqueous medium, the (PLA/HSA)5PLA/fetuin nanotubes captured influenza A virus PR8 (H1N1) efficiently, as revealed by ELISA measurements.

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