Abstract
Nano- and micro-scaled fibers have been incorporated in a number of applications in biofabrication and tissue cultures, providing a cell interfacing structure with extracellular matrix-mimicking topography and adhesion sites, and further supporting localized drug release. Here, we describe the low-voltage electrospinning patterning (LEP) protocol, which allows direct and continuous patterning of sub-micron fibers in a controlled fashion. The processable polymers range from protein (e.g., gelatin) to thermoplastic (e.g., polystyrene) polymers, with flexible selections of collecting substrates. The operation voltage for fiber fabrication can be as low as 50V, which brings the benefits of reducing costs and mild-processing.
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