Liposome penetration and permeation test methods
The in vitro skin penetration and permeation studies are often performed traditionally in Franz diffusion cells. In this method, the SC side is facing the donor chamber and the dermal side is facing the receiver chamber. Following a similar mechanism as Franz diffusion cells, microfluidic permeation array (μFPA) is a novel microfluidic platform for skin permeation testing. However, μFPA is made of thermoplastic material at a fraction cost of Franz diffusion cells, also simultaneous experiments could be run with tuned flow rate in this assay. The drug concentration in receptor solution can be detected by sampling and analyzing over a period of time. Creative Biostructure offers suitable surface skin and membrane to conduct the testing, including synthetic membranes, excised animal or human skin, and skin organotypic cultures. We normally use reliable analyzer HPLC to measure the compound of interest within a rapid turnaround.
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