Surface‐charged nanofibers were prepared by electrospinning technique (ESP). For this purpose, a copolymer bearing carboxylic acid functions was added to a poly(D,L‐lactide) solution just before ESP process. In a basic medium, negative charges were therefore revealed on fiber surface. By deposition of positively charged particles or polyelectrolytes, surface properties of the fibers could be tailor‐made for a specific application. This versatile method can, for example, be applied to the preparation of new biomedical scaffolds.
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Croisier et al. (2011) studied this question.
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