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Multiphoton microscopy of transdermal quantum dot delivery using two photonpolymerization-fabricated polymer microneedles
Author(s) -
Shaun D. Gittard,
Philip Miller,
Ryan D. Boehm,
Aleksandr Ovsianikov,
Boris N. Chichkov,
Jeremy Heiser,
John Gordon,
Nancy A. MonteiroRiviere,
Roger J. Narayan
Publication year - 2010
Publication title -
faraday discussions
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.255
H-Index - 110
eISSN - 1364-5498
pISSN - 1359-6640
DOI - 10.1039/c005374k
Subject(s) - transdermal , quantum dot , materials science , nanotechnology , polymer , microscopy , drug delivery , two photon excitation microscopy , human skin , polymerization , biomedical engineering , optoelectronics , optics , composite material , fluorescence , medicine , pathology , physics , pharmacology , biology , genetics
Due to their ability to serve as fluorophores and drug delivery vehicles, quantum dots are a powerful tool for theranostics-based clinical applications. In this study, microneedle devices for transdermal drug delivery were fabricated by means of two-photon polymerization of an acrylate-based polymer. We examined proliferation of cells on this polymer using neonatal human epidermal keratinocytes and human dermal fibroblasts. The microneedle device was used to inject quantum dots into porcine skin; imaging of the quantum dots was performed using multiphoton microscopy.

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