Abstract
Abstract Nanomaterial-based artificial enzymes (nanozymes) are a type of newly-developed artificial enzymes owing to their significant merit of environmental stability and low cost. Recently, electrospun nanofibrous materials have been demonstrated as efficient and promising nanozymes due to their high aspect ratio, large surface area to volume, and tunable compositions and structures. This review presents the recent progress of the electrospun nanofibrous materials for enzyme mimicking and their sensing applications. After a brief introduction, this article introduces the electrospinning technique and the fantastic properties of electrospun nanofibrous materials. Next, a large variety of electrospun fibrous nanomaterials with controlled morphology, composition and chemical structure for peroxidase, oxidase and catalase mimicking are described. Herein, the strategies for the enhanced enzyme-like activity are discussed in detail. After that, the catalytic mechanism and promising applications of electrospun nanofibrous materials-based nanozymes for ultrasensitive sensing of H 2O2, ascorbic acid, dopamine, l -cysteine, glutathione, sulfite and phenol have been presented. Finally, the current challenges and future research opportunities in utilizing electrospun nanofibrous materials for enzyme mimicking are addressed.
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