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In vitro human skin permeation and decontamination of diisopropyl methylphosphonate (DIMP) using Dermal Decontamination Gel (DDGel) and Reactive Skin Decontamination Lotion (RSDL) at different timepoints


In vitro human skin permeation and decontamination of diisopropyl methylphosphonate (DIMP) using Dermal Decontamination Gel (DDGel) and Reactive Skin Decontamination Lotion (RSDL) at different timepoints



Toxicology Letters 299: 118-123



ISSN/ISBN: 0378-4274

PMID: 30282006

DOI: 10.1016/j.toxlet.2018.09.013

This study compared the efficiency for in vitro human skin decontamination using DDGel and RSDL when applied at different timepoints (5 min and 90 min). Experiments were performed using in vitro human skin models, in which skin was mounted onto Flow-Through diffusion cells. The mass of 14-C DIMP removed from skin surface after decontamination was quantitated by measuring radioactivity with a liquid scintillation spectrometer. Both decontaminants removed more than 90% recovery dose of DIMP from skin compared to control group (p < 0.05). DDGel skin decontamination reduced more toxicant amount when compared to RSDL. DDGel showed slight higher decontamination ability of DIMP than RSDL and efficiently removed chemicals from the skin surface, also reduced the amount of DIMP in receptor fluid. A similar decontamination regimen with RSDL and DDGel at 90 min showed that both were still might effectively increase the time window of opportunity for treatment. Thus, DDGel can offer a potential as a next generation skin decontamination platform technology for military and civilian applications.

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Accession: 065824734

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