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Biophysical Reviews

, Volume 10, Issue 1, pp 49–67 | Cite as

Applications of functionalized nanomaterials in photodynamic therapy

  • Olayemi J. Fakayode
  • Ncediwe Tsolekile
  • Sandile P. Songca
  • Oluwatobi S. Oluwafemi
Review

Abstract

Specially designed functionalized nanomaterials such as superparamagnetic iron oxide, gold, quantum dots and up- and down-conversion lanthanide series nanoparticles have consistently and completely revolutionized the biomedical environment over the past few years due to their specially inferring properties, such as specific drug delivery, plasmonic effect, optical and imaging properties, therapeutic thermal energy productionand excellent irresistible cellular penetration. These properties have been used to improve many existing disease treatment modalities and have led to the development of better therapeutic approaches for the advancement of the treatment of critical human diseases, such as cancers and related malaise. In photodynamic therapy, for example, where the delivery of therapeutic agents should ideally avoid toxicity on nearby healthy cells, superparamagnetic iron oxide nanoparticles have been shown to be capable of making photodynamic therapy (PDT) prodrugs and their associative targeting moieties tumor-specific via their unique response to an external magnetic fields. In this review, the nanomaterials commonly employed for the enhancement of photodynamic therapy are discussed. The review further describes the various methods of synthesis and characterization of these nanomaterials and highlights challenges for improving the efficacy of PDT in the future.

Keywords

Nanomaterials Photodynamic therapy Superparamagnetic iron oxide nanoparticles Gold nanoparticles Quantum dots Lanthanide 

Notes

Acknowledgement

This work was supported by the National Research Foundation (NRF), South Africa, under the Nanotechnology Flagship Programme (Grant no: 97983).

Compliance with ethical standards

Conflict of interest

Olayemi J. Fakayode declares that he has no conflict of interest. Ncediwe Tsolekile declares that she has no conflict of interest. Sandile P. Songca declares that he has no conflict of interest. Oluwatobi S. Oluwafemi declares that he has no conflict of interest.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors.

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Copyright information

© International Union for Pure and Applied Biophysics (IUPAB) and Springer-Verlag GmbH Germany, part of Springer Nature 2017

Authors and Affiliations

  • Olayemi J. Fakayode
    • 1
    • 2
  • Ncediwe Tsolekile
    • 1
    • 2
  • Sandile P. Songca
    • 3
  • Oluwatobi S. Oluwafemi
    • 1
    • 2
  1. 1.Department of Applied ChemistryUniversity of JohannesburgDoornfonteinSouth Africa
  2. 2.Centre for Nanomaterials Science ResearchUniversity of JohannesburgJohannesburgSouth Africa
  3. 3.Department of ChemistryUniversity of ZululandKwadlangezwaSouth Africa

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