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Confocal micrograph images of porcine ear skin after 8 hours treatment with (A) LP20, (B) LP80, (C) SP80, and (D) SP20 with Nile red fluorescent dye. Fluorescence images recorded with 559 nm excitation and 636 nm emission wavelengths.
Abbreviations: LP20, soybean lecithin and polysorbate 20; LP80, soybean lecithin and polysorbate 80; SP20, sorbitan monooleate and polysorbate 20; SP80, sorbitan monooleate and polysorbate 80.
