Enhancement of Permeation in Transdermal Drug Delivery System by 6μm Wavelength Area Using an MIR-FEL.

Autor: Uchizono, T., Ishii, K., Iwao, Y., Itou, Y., Maruo, H., Hori, M., Awazu, K.
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Zdroj: AIP Conference Proceedings; 2005, Vol. 754 Issue 1, p110-112, 3p
Abstrakt: Ablation of the stratum corneum (SC) by pulsed-laser irradiation is one method of enhancing transdermal drug delivery (TD). For non-invasive laser TD treatment, we have tried to enhance TD without ablation of the SC using an MIR-FEL (6-μm wavelength) (FEL : free electron laser). Lidocaine was used as the drug in this study. The enhancement of TD was measured by HPLC. It was found that the lidocaine TD of the sample irradiated by MIR-FEL was enhanced 10 fold faster than the non-irradiated sample with a flux at 0.5 μg/cm2/h, measured by HPLC. We have demonstrated the effectiveness of TD enhancement by an MIR-FEL (6-μm wavelength) irradiation. © 2005 American Institute of Physics [ABSTRACT FROM AUTHOR]
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