Anti-nonspecific adsorption segments-assisted self-driven surface
imprinted fibers for efficient protein separation
Abstract
At present, the development of high-performance protein imprinted
materials is still a research hotspot in the field of protein
imprinting. Herein, anti-protein adsorption segment (CBMA)-assisted
self-driven BSA surface imprinted fibers MTCFs@SIP@CBMA with high
recognition selectivity are pioneered using the strategies of combining
magnetic nanomaterial surface imprinting technique with amino-Michael
addition. The special structure of the carrier MTCFs endows
MTCFs@SIP@CBMA with magnetic performance and self-driven adsorption
performance, which simplifies the separation process while improving the
adsorption capacity and accelerating the adsorption rate. The adsorption
capacity for BSA reached 395.26 mg/g within 30 min. The introduction of
CBMA segments on the surface after imprinting by amino-Michael addition
makes its polymer chain length and position controllable. Under the
strongest anti-nonspecific adsorption effect, MTCFs@SIP@CBMA exhibit
excellent specific identification to BSA from mixed proteins.
Additionally, MTCFs@SIP@CBMA show considerable reusability. Therefore,
MTCFs@SIP@CBMA are expected to be applied in efficient separation of
proteins in biological samples.