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PEG-PLGA electrospun nanofibrous membranes loaded with Au@Fe2O3 nanoparticles for drug delivery applications

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Abstract

A PEGylated-PLGA random nanofibrous membrane loaded with gold and iron oxide nanoparticles and with silibinin was prepared by electrospinning deposition. The nanofibrous membrane can be remotely controlled and activated by a laser light or magnetic field to release biological agents on demand. The nanosystems were characterized using scanning electron microscopy, Fourier transform infrared spectroscopy, nuclear magnetic resonance spectroscopy, and thermogravimetric analyses. The drug loading efficiency and drug content percentages were determined by UV-vis optical absorption spectroscopy. The nanofibrous membrane irradiated by a relatively low-intensity laser or stimulated by a magnetic field showed sustained silibinin release for at least 60 h, without the burst effect. The proposed low-cost electrospinning procedure is capable of assembling, via a one-step procedure, a stimuli-responsive drug-loaded nanosystem with metallic nanoparticles to be externally activated for controlled drug delivery.

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Authors and Affiliations

  1. Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università di Messina, Viale F. Stagno D’Alcontres 31, 98166, Messina, Italy

    Salvatore Spadaro, Marco Santoro, Francesco Barreca, Simona Grimato, Fortunato Neri & Enza Fazio

  2. Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche e Ambientali, Università di Messina, Viale F. Stagno D’Alcontres 31, 98166, Messina, Italy

    Angela Scala

Authors
  1. Salvatore Spadaro
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  2. Marco Santoro
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  3. Francesco Barreca
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  4. Angela Scala
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  5. Simona Grimato
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  6. Fortunato Neri
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  7. Enza Fazio
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Corresponding author

Correspondence to Enza Fazio.

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Spadaro, S., Santoro, M., Barreca, F. et al. PEG-PLGA electrospun nanofibrous membranes loaded with Au@Fe2O3 nanoparticles for drug delivery applications. Front. Phys. 13, 136201 (2018). https://doi.org/10.1007/s11467-017-0703-9

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  • DOI: https://doi.org/10.1007/s11467-017-0703-9

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