Asti Sawitri, Efa Latiffah, Aan Priyanto, Dian Ahmad Hapidin, Dhewa Edikresnha, Neni Surtiyeni, Arie Wibowo, Khairurrijal Khairurrijal
Starch is a biopolymer that is abundant, easy to obtain, low in cost, renewable, biodegradable, and biocompatible. Starch-biopolymer-based fibers show good potential in food and biomedical applications because of their hydrophilic nature and can be absorbed by the human body without causing allergic reactions or toxic effects. Electrospinning is a fiber production technique that continues to grow because it produces fibers with a diameter that can be controlled from nanometers to micrometers. Electrospinning is a processing technique based on electrohydrodynamic principles that uses tension to stretch and elongate viscoelastic fibers originating from a polymer solution. In this report, starch fiber synthesis was successfully produced by the electrospinning technique. The starch used was potato starch with 75% formic acid solvent. The synthesis optimization is a variance in the concentration of the starch precursor solution to be spun. The starch solution, when concentrated at 10% w/v, resulted in the formation of particles rather than fibers. However, when the starch solution was increased to a concentration of 20% w/v and under conditions of a flow rate of 0.8 mL/hour, a voltage of 17 kV, a needle-to-collector distance of 15 cm, and chamber humidity maintained at 50–54%, fibers began to emerge. The distribution of fiber diameters obtained at 20 and 30 %w/v starch solution concentrations were (1118.23±25.23) nm, and (1692.10±29.13) nm, respectively. © 2025 American Institute of Physics Inc.. All rights reserved.
Department of Physics, Faculty of Mathematics and Natural Sciences, Bandung Institute of Technology, Bandung, Indonesia; Departement of Material Science and Engineering, Faculty of Mechanical and Aerospace Engineering, Bandung Institute of Technology, Bandung, Indonesia; University Center of Excellence – Nutraceutical, Bioscience and Biotechnology Research Center, Bandung Institute of Technology, Bandung, Indonesia; Department of Physics, Faculty of Sciences, Sumatera Institute of Technology, Lampung, Indonesia
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