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Objective
Acne vulgaris is caused by dyslipidemia, dyskeratosis and/or abnormal bacterial growth. The obstruction of skin pores due to hyperkeratosis of the infundibulum contributes to the formation of comedones. Thus, normalizing keratinization of epidermal cells in skin pores might be useful to improve acne. Recently, it has been found that the transcutaneous application of carbon dioxide (CO2)...
The humidity was a well-known method to hydrate the skin; however, the published data were varied, and systemic experiments in the previous papers were few. Therefore, the in vitro permeation of excised porcine ear skin by drugs with different polarities [aminopyrine (AMP), antipyrine (ANP), methylparaben (MP), and ibuprofen (IP)] was analyzed under a constant skin surface temperature with different...
Sliding wear tests were conducted to study the consequences of extremely severe wear of stainless steel component in high-temperature, high-purity water. The tests were performed in a normal load range of 1.88 × 10 3 − 1.18 × 10 4 N at a sliding speed of 50 m s −1 , using stationary and rotating disc specimens on an industrial scale. Investigations were focused on the effects...
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