Electrospun Nanofibers for Label-Free Sensor Applications

Electrospinning is a simple, low-cost and versatile method for fabricating submicron and nano size fibers. Due to their large surface area, high aspect ratio and porous structure, electrospun nanofibers can be employed in wide range of applications. Biomedical, environmental, protective clothing and...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2019-08, Vol.19 (16), p.3587
Main Authors: Aliheidari, Nahal, Aliahmad, Nojan, Agarwal, Mangilal, Dalir, Hamid
Format: Article
Language:English
Subjects:
biosensor
Biosensors
Electrospinning
Engineering
High aspect ratio
label-free sensors
Molecular weight
Morphology
Nanofibers
Nanomaterials
Polyethylene
Polymers
Polyvinyl alcohol
Review
Selectivity
Sensitivity analysis
Sensors
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Summary:Electrospinning is a simple, low-cost and versatile method for fabricating submicron and nano size fibers. Due to their large surface area, high aspect ratio and porous structure, electrospun nanofibers can be employed in wide range of applications. Biomedical, environmental, protective clothing and sensors are just few. The latter has attracted a great deal of attention, because for biosensor application, nanofibers have several advantages over traditional sensors, including a high surface-to-volume ratio and ease of functionalization. This review provides a short overview of several electrospun nanofibers applications, with an emphasis on biosensor applications. With respect to this area, focus is placed on label-free sensors, pertaining to both recent advances and fundamental research. Here, label-free sensor properties of sensitivity, selectivity, and detection are critically evaluated. Current challenges in this area and prospective future work is also discussed.
ISSN:1424-8220
1424-8220
DOI:10.3390/s19163587