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Effect of ultrasound parameters for unilamellar liposome preparation
Silva, Raquel; Ferreira, Helena; Little, Collin; Paulo, Artur CavacoIn this study, it was investigated the effects of ultrasound, namely power input, distance from ultrasound tip to base of reactor and treatment time, in the formation of liposomes. Results indicate a dependence on cavitation events that are a function of power input, and consequently dependent on the position of the probe within the reaction vessel and the wave behaviour. Short treatment times are required to a...
Incorporation of peptides in phospholipid aggregates using ultrasound
Silva, Raquel; Little, Collin; Ferreira, Helena; Paulo, Artur CavacoThis study presents the highlights of ultrasonic effects on peptides incorporated on phospholipid aggregates (liposomes). These liposomes or vesicles are known as transport agents in skin drug delivery and for hair treatment. They might be a good model to deliver larger peptides into hair to restore fibre strength after hair coloration, modelling, permanent wave and/or straightening. The preparation of liposome...
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