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리퀴리티게닌과 리퀴리틴을 담지한 에토좀의 특성 및 경피 전달
임나리 ( Na Ri Im ),김해수 ( Hae Soo Kim ),임지원 ( Ji Won Lim ),김경진 ( Kyeong Jin Kim ),노근영 ( Geun Young Noh ),박수남 ( Soo Nam Park ) 한국공업화학회 2015 공업화학 Vol.26 No.5
Liquiritin and its aglycone, liquiritigenin are flavonoid found in licorice that show anti-oxidant and anti-aging properties. In this study, ethosomes loaded with hydrophobic liquiritigenin or liquiritin were prepared as a transdermal delivery system. The particle size, entrapment efficiency, and skin permeability of ethosomes were evaluated. Ethosome containing liquiritigenin was stable up to 2 mM and ethosome containing liquiritin was stable up to 0.75 mM concentration. The particle size of ethosomes containing 0.75 mM liquiritigenin and liquiritin was 143.85 and 158.90 nm, respectively and the entrapment efficiency was 47.51 and 54.61%, respectively. The entrapment efficiency was improved with increasing concentrations of drugs. Ethosomes loaded with liquiritigenin or liquiritin were superior in skin permeation ability compared to that of 20% ethanol solution and conventional liposomes. These results suggest that ethosomes containing 0.50 mM liquiritigenin or liquiritin are effective for the skin permeation and may be used as an antiaging and antioxidant ingredient in cosmetic formulation.
Ivor-Lewis 식도절제술 후 상품형 말초정맥용 영양수액 사용 평가
이선우 ( Sun Woo Lee ),임나리 ( Na Ri Lim ),박효정 ( Hyo Jung Park ),인용원 ( Yong Won In ),서정민 ( Jeong Meen Seo ),이영미 ( Young Mee Lee ) 한국정맥경장영양학회 2015 한국정맥경장영양학회지 Vol.7 No.3
Purpose: Deteriorated nutritional status is common during a hospital stay for esophagectomy in patients with esophageal cancer. Malnutrition in those patients is often marked compared with other gastrointestinal cancer. The purpose of this study is to evaluate the appropriateness of commercial peripheral parenteral nutrition (CPPN) use in patients who underwent Ivor-Lewis esophagectomy (I-L op). Methods: Patients who were provided with CPPN after I-L op were enrolled in this study from January to May 2015. Body weight, height, nutritional status, length of hospital stay, duration of CPPN therapy, and parenteral nutrition (PN) induced complications were assessed, respectively, using electronic medical records. Results: Thirty-nine patients were enrolled. Average age was 65.9 years and 36 patients were male. All patients were provided with the same CPPN. The duration of fasting and CPPN use was 5.8±1.4 days and 7.5±1.8 days, respectively. Calorie supported by CPPN was 22.6±3.5 kcal/kg/day and only 20.5% of patients (n=8) reached the daily target calories. Most frequent PN induced complication was phlebitis which occurred in 8 patients (20.5%). Calcium, magnesium, and transthyretin levels in serum were not monitored during the PN support period. Conclusion: The indications for CPPN were appropriate because the fasting duration in patients with I-L op was 5 to 10 days. Although a large portion of patients could not be supplied daily target calories, their nutrition status was not significantly changed on admission and at discharge. We did not find it necessary to individualize PN support for a short period after an I-L op in patients with esophageal cancer. Further study will be needed to determine why the incidence of phlebitis was dominant.