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Droplet-based microextraction – when to go with the flow?
유재범 한국유변학회 2021 Korea-Australia rheology journal Vol.33 No.3
Over the last few decades, droplets have been used for enrichment of target compounds from various types of samples including water, body fluids, soils, and food. Leveraging the high surface area-to-volume ratio, droplets are excellent means of rapidly concentrating the target compounds. The droplet-based microextraction technologies reported so far can be categorized as static and continuous. For a static method, droplets are exposed to a given amount of sample while for a continuous method the sample is continuously fed by a flow and the droplets can either remain static or move with the sample flow. Both the extraction performance and types of analyses that can be used depend on whether the method is static or continuous microextraction. This review classifies various droplet-based microextraction techniques as either a static or continuous method and discusses the advantages and drawbacks of each.
유재범(Jae-beom Yu),신길란(Gil-ran Shin) 한국인체미용예술학회 2011 한국인체미용예술학회지 Vol.12 No.4
This Subiects of this study were 300 men aged 60 years or older who untillze both senior citizen’s centers and elderly care facilities located in Gongju-si, Chungnam the survey - generated data regarding the demographic and physical characteristics of the subjects, their general opinion and practics regarding pedicure were analyzed with the SPSS 12.0, t-test, F-test and Duncan test statistics package. The results regarding the relationship between general opinion of pedicures and pedicures and the practice there of according to demographic and physical characteristics found that older men have a strong desire for cleanliness of feet and use pedicure to this end. . The result showing the correlation between the general opinion of pedicures and the practice there of has found that the greater the interest in comfort, foot-washing, cleanliness and treatment of feet, the more they are more active in the practical action of pedicure and interest in treatment has the negative effect on practice of active interest. This study focused on general foot care at the preventive level before the occurrence of problems further study on measures after the problems have occurred will be needed.