نتایج جستجو برای: skin permeability rate
تعداد نتایج: 1179169 فیلتر نتایج به سال:
Skin penetration of benzoic acid and its 4-alkyl substituents (methyl, ethyl, n-propyl and n-butyl) through excised guinea pig dorsal skin was examined, and effects of removal of stratum corneum, delipidization and addition of the penetration enhancers, ethanol and l-menthol plus ethanol, were observed. Permeability coefficients, which increased with the increase in their alkyl chain lengths, d...
Nanostructured carriers have been widely used in pharmaceutical formulations for dermatological treatment. They offer targeted drug delivery, sustained release, improved biostability, and low toxicity, usually presenting advantages over conventional formulations. Due to its large surface area, small size photothermal properties, graphene oxide (GO) has the potential be such applications. Nanogr...
Glycol ethers are solvents widely used alone and as mixtures in industrial and household products. Some glycol ethers have been shown to have a range of toxic effects in humans following absorption and metabolism to their aldehyde and acid metabolites. This study assessed the influence of water mixtures on the dermal absorption of butoxyethanol and ethoxyethanol in vitro through human skin. But...
Low-frequency ultrasound has been studied extensively due to its ability to enhance skin permeability. In spite of this effort, improvements in enhancing the efficacy of transdermal ultrasound treatments have been limited. Currently, when greater skin permeability is desired at a given frequency, one is limited to increasing the intensity or the duration of the ultrasound treatment, which carri...
Brucine is the active component in traditional Chinese medicine "Ma-Qian-Zi" (Strychnos nux-vomica Linn), with capabilities of analgesic, anti-inflammatory, anti-tumor and so on. It is crucial how to break through the impact of cuticle skin which reduces the penetration of drugs to improve drug transmission rate. The aim of this study is to improve the local drug concentration by using ultrasou...
background: cellulite is the accumulation of subcutaneous fat and connective tissue in tights and buttocks. xanthines, such as aminophylline, are used as phosphodiesterase inhibitors, and are also adenosine receptor antagonists. objectives: the aim of the present study was to characterize in vitro aminophylline transdermal absorption through shed snake skin, and to investigate the absorption en...
A novel plasma treatment method/plasma source called cupping-assisted plasma treatment/ source for skin disinfection is introduced. The idea combines ancient Chinese ‘cupping’ technology with plasma sources to generate active plasma inside an isolated, pressurecontrolled chamber attached to the skin. Advantages of lower pressure include reducing the threshold voltage for plasma ignition and imp...
Many in-vitro methods for prediction of skin permeability have been reported in literature. Cerasome electrokinetic chromatography is one of the most sophisticated approaches representing a maximum level of similarity to the lipid phase of the stratum corneum. One goal of this study was to investigate the affinity pattern of Cerasome and to compare it with the permeability profile of human skin...
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