Virucidal nanofiber textiles based on photosensitized production of singlet oxygen

PLoS One. 2012;7(11):e49226. doi: 10.1371/journal.pone.0049226. Epub 2012 Nov 6.

Abstract

Novel biomaterials based on hydrophilic polycaprolactone and polyurethane (Tecophilic®) nanofibers with an encapsulated 5,10,5,20-tetraphenylporphyrin photosensitizer were prepared by electrospinning. The doped nanofiber textiles efficiently photo-generate O(2)((1)Δ(g)), which oxidize external chemical and biological substrates/targets. Strong photo-virucidal effects toward non-enveloped polyomaviruses and enveloped baculoviruses were observed on the surface of these textiles. The photo-virucidal effect was confirmed by a decrease in virus infectivity. In contrast, no virucidal effect was detected in the absence of light and/or the encapsulated photosensitizer.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Anthracenes / chemistry
  • Antiviral Agents / pharmacology*
  • Baculoviridae / drug effects
  • Capsid / chemistry
  • Mice
  • Nanofibers / chemistry*
  • Nanofibers / ultrastructure
  • Oxidation-Reduction
  • Photosensitizing Agents / pharmacology*
  • Polyesters / chemistry
  • Polyomavirus / drug effects
  • Polyurethanes / chemistry
  • Porphyrins / pharmacology
  • Recombination, Genetic / genetics
  • Singlet Oxygen / metabolism*
  • Textiles*
  • Virus Inactivation / drug effects

Substances

  • Anthracenes
  • Antiviral Agents
  • Photosensitizing Agents
  • Polyesters
  • Polyurethanes
  • Porphyrins
  • tetraphenylporphyrin
  • Singlet Oxygen
  • polycaprolactone