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Photodynamic activity of water dispersion of gold nanoparticles for treating experimental purulent wounds

https://doi.org/10.37895/2071-8004-2021-25-4-35-41

Abstract

Introduction. Antimicrobial photodynamic therapy is one of the highly effective techniques for treating infectious lesions of the skin and soft tissues. However, the search for safe photosensitizers remains relevant.

Purpose: to study the application of aqueous dispersion of gold nanoparticles as a potential photosensitizer for antimicrobial photodynamic therapy in experimental purulent wounds.

Material and methods. Photosensitizing ability of aqueous dispersion of gold nanoparticles stabilized with polyvinyl alcohol was studied on experimental full-thickness purulent wounds in rats. Semiconductor laser (Alcom Medica, St. Petersburg) with wavelength 405 nm was used.

Results. It has been found out that pretreatment of wounds with nanostructures followed by photodynamic exposure gives a 1.6-fold reduction of healing process of wound defects in laboratory animals compared to the control group. in experimental animals, an effective cleansing of wounds from purulent contents was observed as well.

Conclusion. An aqueous dispersion of gold nanoparticles stabilized with polyvinyl alcohol can be considered as an effective photosensitizer for antimicrobial photodynamic therapy.

About the Authors

T. A. Shulgina
Scientifi c Research Institute of Traumatology, Orthopedics and Neurosurgery of the Saratov State Medical University named after V.I. Razumovsky
Russian Federation

Shulgina Tatiana – Biologist, Scientifi c Research Institute of Traumatology, Orthopedics and Neurosurgery

Saratov



E. F. Stranadko
Skobelkin State Scientifi c Center of Laser Medicine FMBA of Russia
Russian Federation

Stranadko Evgeniy – Dr. Sc. (Med.), Professor, the Head of the Department of Laser Oncology and Photodynamic Therapy, Scientific Research Institute of Traumatology

Moscow



O. V. Nechaeva
Yuri Gagarin State Technical University; Saratov Regional Clinical Dermatovenerologic Dispensary
Russian Federation

Nechaeva Olga – Professor, Dr. Sc. (Biol.), Professor of the Department of Ecology and Technosphere Safety; Biologist at the
Bacteriological Laboratory

Saratov



E. V. Glinskaya
Saratov State University
Russian Federation

Glinskaya Elena – Cand. Sc. (Biol.), Assistant Professor at the Department of Plant Microbiology and Physiology

Saratov



K. V. Zubova
Saratov State University
Russian Federation

Zubova Kseniya – Postgraduate at the Department of Plant Microbiology and Physiology

Saratov



D. A. Schnaider
Saratov Regional Clinical Dermatovenerologic Dispensary
Russian Federation

Schnaider Dmitry – Chief Physician

Saratov



N. V. Bespalova
Yuri Gagarin State Technical University
Russian Federation

Bespalova Natalya – Cand. Sc. (Phys.), Assistant Professor at the Department of Information Security of Automated Systems

Saratov



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Review

For citations:


Shulgina T.A., Stranadko E.F., Nechaeva O.V., Glinskaya E.V., Zubova K.V., Schnaider D.A., Bespalova N.V. Photodynamic activity of water dispersion of gold nanoparticles for treating experimental purulent wounds. Laser Medicine. 2021;25(4):35-44. (In Russ.) https://doi.org/10.37895/2071-8004-2021-25-4-35-41

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ISSN 2071-8004 (Print)
ISSN 2686-8644 (Online)