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시클러 캡슐(세파클러 250㎎)에 대한 경보세파클러 캡슐의 생물학적동등성
조혜영,강현아,김세미,박찬호,오인준,임동구,문재동,이용복 한국약제학회 2005 Journal of Pharmaceutical Investigation Vol.35 No.1
The purpose of the present study was to evaluate the bioequivalence of two cefaclor capsules, Ceclor (Lilly Korea Co., Ltd.) and Kyongbocefaclor (Kyongbo Pharm. Co., Ltd.), according to the guidelines of the Korea Food and Drug Administration (KFDA). The release of cefaclor from the two cefaclor formulations in vitro was tested using KP VIII Apparatus II method with various dissolution media (pH 1.2. 4.0. 6.8 buffer solution and water). Twenty four healthy male subjects. 22.96±1.52 years in age and 67.03±7.90 kg in body weight, were divided into two groups and a randomized 2x2 cross-over study was employed. After one capsule containing 250 mg of cefaclor was orally administered, blood was taken at pre-determined time intervals and the concentrations of cefaclor in serum were determined using HPLC method with UV detector. The dissolution profiles of two formulations were similar at all dissolution media. In addition. the pharmacokinetic parameters such as AUC_(t), C_(max) and T _(max) were calculated and ANOVA test was utilized for the statistical analysis of the parameters using logarithmically transformed AUC_(t). C_(max) and untransformed Tmaa. The results showed that the differences between two formulations based on the reference drug, Ceclor. were -1.90%, 2.68% and -7.60% for AUCt, C_(max) and T_(max), respectively. There were no sequence effects between two formulations in these parameters. The 90% confidence intervals using logarithmically transformed data were within the acceptance range of log 0.8 to log 1.25 (e.g., log 0.91-log 1.06 and log 0.92-log 1.18 for AU', and C_(max), respectively). Thus. the criteria of the KFDA bioequivalence guideline were satisfied, indicating Kyongbocefaclor capsule was bioequivalent to Ceclor capsule.
비유피-4 정(염산프로피베린 20㎎)에 대한 건일염산프로피베린 정의 생물학적동등성
조혜영,박은자,강현아,백승희,김세미,박찬호,오인준,문재동,이용복 한국약제학회 2004 Journal of Pharmaceutical Investigation Vol.34 No.5
The purpose of the present study was to evaluate the bioequivalence of two propiverine hydrochloride tablets. BUP-4 (Jeil Pharm. Co., Ltd.) and Kuhnil Propiverine Hydrochloride (Kuhnil Pharm. Co., Ltd.), according to the guidelines of the Korea Food and Drug Administration (KFDA). The propiverine release from the two propiverine hydrochloride formulations in vitro was tested using KP Ⅷ Apparatus Ⅱ method with a variety of dissolution media (pH 1.2, 4.0, 6.8 buffer solutions, water and blend of polysorbate 80 into pH 6.8). Twenty six healthy male subjects, 23.73 ± 2.79 years in age and 67.04 ± 7.93 kg in body weight, were divided into two groups and a randomized 2 x 2 cross-over study was employed. After one tablet containing 20 mg as propiverine hydrochloride was orally administered, blood was taken at predetermined time intervals and the concentrations of propiverine in serum were determined using HPLC method with UV detector. The dis-solution profiles of two formulations were similar at all dissolution media. Besides, the pharmacokinetic parameters such as AUC" C _(max) and T _(max) were calculated and ANOVA test was utilized for the statistical analysis of the parameters using logarithmically transformed AUC, C_(max), and untransformed T_(max). The results showed that the differences between two formulations based on the BUP-4 were 0.17%, 7.98% and 4.55% for AUC,, C_(max), and respectively. There were no sequence effects between two formulations in these parameters. The 90% confidence intervals using logarithmically trans-formed data were within the acceptance range of log(0.8) to log(1.25) (e.g., log(0.88)-log(l .12) and log(0.90)-log(l.15) for AUC, and _(max), respectively). Thus, the criteria of the KFDA bioequivalence guideline were satisfied, indicating Kuhnil Propiverine Hydrochloride tablet was bioequivalent to BUP-4 tablet.
Molecular Characterization of Norovirus and Rotavirus in Outbreak of Acute Gastroenteritis in Seoul
Oh, Se-Ah,Park, Sang-Hun,Ham, Hee-Jin,Seung, Hyun-Jung,Jang, Jung-Im,Suh, Sang-Won,Jo, Suk-Ju,Choi, Sung-Min,Jeong, Hae-Sook 대한미생물학회 2013 Journal of Bacteriology and Virology Vol.43 No.4
Norovirus and rotavirus are important causes of acute nonbacterial gastroenteritis in communities worldwide. Genotypes of norovirus and rotavirus in stool samples, which were collected from patients, was determined by RT-PCR and ELISA. A total 4,484 stool samples (461 outbreak cases) collected during January 2010-April 2013 were analyzed. Four hundred thirty eight of samples were positive for norovirus. Twelve samples were positive for Rotavirus. Norovirus genotypes identified were nine kinds of G I genotype (G I-1, G I-2, G I-3, G I-4, G I-6, G I-7, G I-9, G I-12, G I-13) and nine kinds of G II genotype(G II-2, G II-4, G II-5, G II-6, G II-7, G II-11, G II-12, G II-15, G II-16). Rotavirus genotypes were G2P[4]. The results might be useful information for evaluating the epidemiological status of viral diarrhea in Seoul, and providing a strategy to prevent human norovirus, rotavirus and other threats to public health in Korea.
옥수수 바이오매스를 함유한 폴리에스터 필름의 물리 화학적 특성과 생분해 특성에 대한 콜드 플라즈마 처리의 영향
송아영(Ah Young Song),오윤아(Yoon Ah Oh),오세준(Se Jun Oh),민세철(Sea Cheol Min) 한국식품과학회 2015 한국식품과학회지 Vol.47 No.2
CP 처리의 CBPE 필름의 물리화학적 특성 및 생분해 특성에 대한 영향을 연구하였다. CP 처리는 CBPE 필름의 인장 강도, 신장률, 그리고 광투과도와 같은 물리적 특성에는 영향을 주지 않았으나, air-CP 처리는 CBPE 필름의 유연성, 수분 방벽 특성, 그리고 인쇄적성을 향상시켰다. Air-CP 처리는 저장 중 CBPE 필름 표면의 조도와 O와 N 원소를 포함한 작용기의 양을 증가시켰고, 인쇄적성, 열분해성, 그리고 미생물 분해성을 향상시켰다. 본 연구에서 CP 처리 후 CBPE 필름 표면에서 보여지는 노화 현상을 XPS 결과를 통해 확인할 수 있었다. 본 연구는 CP 처리가 CBPE 필름을 비롯하여 다른 생분해성 식품 포장재의 물리적 특성과 생분해성을 향상시킬 수 있는 기술로서 적용될 수 있다는 가능성을 보여주었다. The effects of cold plasma (CP) treatments on the physicochemical and biodegradable properties of a corn biomass-containing polyester (CBPE) film were studied. The CBPE film was treated with CP generated by N2, O2, He, Ar, or dry air at 400-900 W and 667 Pa for 10-40 min. The glass transition temperature of the CBPE film (?30.2- ?28.6℃) was not affected by the CP treatment, while the elastic modulus and water vapor permeability decreased (p<0.05). The ink printability was improved by the treatment and the improved printability was maintained during storage for 56 days at room temperature. Roughness of the film increased after treatments and the level of roughness appeared to increase during storage. Heat and microbial biodegradability of the CBPE film was improved by the air-CP treatment (p<0.05). These results have demonstrated the potential of applying CP treatments to improve the flexibility, printability, and biodegradability of CBPE films.
Association of vitamin D concentrations with adiposity indices among preadolescent children in Korea
Lee, Hye Ah,Kim, Young Ju,Lee, Hwayoung,Gwak, Hye Sun,Park, Eun Ae,Cho, Su Jin,Oh, Se Young,Ha, Eun Hee,Kim, Hae Soon,Park, Hyesook Walter de Gruyter GmbH 2013 Journal of pediatric endocrinology & metabolism Vol.26 No.9
<P>Background and Objective: We aimed to investigate the association between serum 25-hydroxyvitamin D (25(OH)D) and anthropometric indicators of adiposity among Korean preadolescent children aged 7?9 years. Subjects and Methods: Children aged 7 to 9 from the Ewha Birth & Growth Cohort were followed up from July to August 2011. Serum 25(OH)D concentration was measured using radio immunoassay. We assessed the magnitude of cross-sectional association with vitamin D concentrations and indicators of adiposity [body mass index (BMI), waist circumference (WC), mid-arm circumference (MAC), body fat mass (BFM), percent body fat (PBF), and triceps skinfold thickness (TSF)] using multiple linear and logistic regression analyses adjusted for sex, age, birth order, maternal education, and fruit/fruit juice intake. Results: Thirty-two (16%) out of a total of 205 children showed an optimal level of serum 25(OH)D, but most children did not reach a sufficient level (<30 ng/mL) even in summer. The level of 25(OH)D was inversely associated with BMI (β=?0.10, p<0.01), WC (β=?0.28, p<0.01), and BFM (β=?0.12, p=0.02) after adjusting for confounding factors and showed marginal boundary with PBF (β=?0.20, p=0.06) and TSF (β=?0.11, p=0.08). Regarding the risk of overweight, a 13% protective effect per 1 ng/mL increase of 25(OH)D was shown even after adjusting for relevant confounding factors (adjusted odds ratio=0.87, 95% confidence interval 0.78?0.98). Conclusions: We found that the 25(OH)D concentrations were inversely associated with adiposity indices in preadolescent children. This study suggests that adequate vitamin D intake in growing children is crucial to maintain an optimal vitamin D level to prevent obesity and obesity-related health problems later in life.</P>