Model drug-loaded coaxial electrospun PVP@nano-biopolymers core-shell composite nanofibers were fabricated by a facile coaxial electrospinning successfully. The model drug FA, which is a kind of lipid microsphere non-steroidal anti-inflammatory drug, was shown to be successfully adsorbed in the PVP, and the formed FA/PVP/biopolymers composite nanofibers exhibit a uniform and smooth morphology. The loaded FA within the PVP/biopolymers coaxial nanofibers showed a sustained release profile. With the significantly reduced burst-release profile, the developed FA/PVP/biopolymers composite nanofibers were proposed to be a promising material in the fields of pharmaceutical science. (C) 2015 Elsevier B.V. All rights reserved.