Novel Technology to Improve Drug Loading in Polymeric Nanofibers

ISSN: 2210-304X (Online)
ISSN: 2210-3031 (Print)

Volume 7, 3 Issues, 2017

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Drug Delivery Letters

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Marc Schneider
Biopharmaceutics and Pharmaceutical Technology
Department of Pharmacy
Saarland University
661213 Saarbrücken

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Novel Technology to Improve Drug Loading in Polymeric Nanofibers

Drug Delivery Letters, 4(1): 79-86.

Author(s): Karun Kataria, Abhinandan Sharma, Tarun Garg, Amit K. Goyal and Goutam Rath.

Affiliation: Department of Pharmaceutics, ISF College of Pharmacy, Moga, Punjab 142001, India.


The objective of the present study is to elaborate a new approach for drug loading into electrospun nanofibers through active loading based on non-solvent evaporation technique. The polymeric nanofibers were achieved by electrospinning method using PCL, PVA and a blend of sodium alginate & PVA as polymeric constituents. Different methods such as passive & active (solvent and non-solvent evaporation methods) techniques were used to prepare drug loaded nanofibers. The resulting nanofibers were characterized for morphology, drug loading, in-vitro release and degree of swelling. Different kinetic models were applied to the in-vitro release profile of different polymeric nanofibers. The prepared nanofibers were found to be uniform, non-beaded and non-woven with fiber diameter ranging from 200-450nm. Entrapment efficiency of metronidazole was increased by 30% when non-solvent evaporation method was used. Moreover the n value obtained from the Peppas model varied between 0.8-0.9 which was further confirmed that the mechanism of drug release was anomalous diffusion which refers to combination of both diffusion and erosion mechanism. The impetus for this development was that the non-solvent evaporation technique can be successfully used for drug loading to polymeric nanofibers.


Electrospinning, nanofibers, non-solvent evaporation techniques, swelling index.

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Article Details

Volume: 4
Issue Number: 1
First Page: 79
Last Page: 86
Page Count: 8
DOI: 10.2174/22103031113036660018

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