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( Sang Woong Youn ),( Tae Yoon Kim ),( Byung Soo Kim ),( Seung Chul Lee ),( Jeung Hoon Lee ),( Yong-beom Choe ),( Joo-heung Lee ),( Jee-ho Choi ),( Joo Young Roh ),( Seong Jin Jo ),( Eun-so Lee ),( Mi 대한피부과학회 2018 대한피부과학회 학술발표대회집 Vol.70 No.2
Background: The Phase Ⅲ studies, VOYAGE 1 and 2, were conducted to assess guselkumab for the treatment of patients with moderate to severe psoriasis. However, these studies included a worldwide study population. Objectives: To determine the efficacy and safety of guselkumab in Korean patients. Methods: This analysis included 28 patients from VOYAGE 1 and 98 patients from VOYAGE 2. In total, 126 patients were analyzed. Outcomes through week 28 were analyzed due to differences in design after week28. Results: Of 126 Korean patients randomized, 30 received placebo, 63 were assigned to guselkumab, and 33 received adalimumab. Guselkumab was superior to adalimumab in achieving an IGA 0 score (clear skin) at week 12 (31.7% vs 0.0%, p<0.001) and at week 24 (52.4% vs 21.2%, p=0.004), respectively. Among patients treated with guselkumab, 40 of 63 (63.5%) achieved a PASI75 response at week 8; at week 24, a significantly higher proportion of guselkumab patients achieved a PASI 75 compared to adalimumab patients (93.7% vs 66.7%, respectively, p<0.001). In addition, higher proportions of guselkumab patients achieved PASI 90 and PASI 100 than adalimumab patients at week 24 (PASI90; 73.0% vs 57.6%, p=0.168 / PASI100; 20.6% vs 15.2%, p=0.591, respectively). Through week 28, guselkumab and adalimumab showed comparable safety profiles. Conclusion: The efficacy and safety of guselkumab in Korean psoriasis patients through 28 weeks was consistent with findings reported for the VOYAGE1 and 2 trials.
A Transplantation method of Laminaria japonica Areschoug (Laminariales, Phaeophyta)
Woong-Yong Kim,정익교,Sung-Je Choi,신종암 한국조류학회I 2005 ALGAE Vol.20 No.2
To obtain basic data, we investigated the effect of blade length on transplants, the transplanting method of Laminaria japonica for creating L. japonica resources and the number of transplanting plates with surviving L. japonica.The survival rate of L. japonica, blade length of transplants and drag force of transplanting plates were also researched. The number of transplanting plates with surviving L. japonica, the survival rate and blade length of 20 cm long-initial transplants were greater than those of 1.5, 5 and 10 cm long-initial transplants in an outdoor aquarium. At the depth of 4 m in the coastal waters, the number of transplanting plates with surviving transplants,the survival rate and the blade length of 30 cm long-initial transplants were higher than those of 10 and 20 cm longinitial transplants. The drag force is calculated by cording up sporophytes of L. japonica into the transplanting plates under water. The drag force in the case of a 2.18 kg-weight transplanting plate and in a current speed of 0.5 m·s-1 for considering stability of the plate was 631.50 g to a concrete substratum on the seabed, 703.92 g to a shingle substratum, 788.00 g to a sand substratum, and 1018.30 g to a silt substratum. If we consider the stability and economic efficiency of the transplanting plate, the proper weight of the plate per one individual of 18.11 cm in blade width and 190.20 cm in total blade length is regarded as 508.2 g when it is calculated with the concrete substratum that shows the lowest drag force.
Choi, Han Seok,Kim, Sunmi,Kim, Min Jung,Kim, Myung-Sunny,Kim, Juewon,Park, Chan-Woong,Seo, Daebang,Shin, Song Seok,Oh, Sang Woo The Korean Society of Ginseng 2018 Journal of Ginseng Research Vol.42 No.1
Background: Antihyperglycemic effects of Panax ginseng berry have never been explored in humans. The aims of this study were to assess the efficacy and safety of a 12-wk treatment with ginseng berry extract in participants with a fasting glucose level between 100 mg/dL and 140 mg/dL. Methods: This study was a 12-wk, randomized, double-blind, placebo-controlled clinical trial. A total of 72 participants were randomly allocated to two groups of either ginseng berry extract or placebo, and 63 participants completed the study. The parameters related to glucose metabolism were assessed. Results: Although the present study failed to show significant antihyperglycemic effects of ginseng berry extract on the parameters related to blood glucose and lipid metabolism in the total study population, it demonstrated that ginseng berry extract could significantly decrease serum concentration of fasting glucose by 3.7% (p = 0.035), postprandial glucose at 60 min during 75 g oral glucose tolerance test by 10.7% (p = 0.006), and the area under the curve for glucose by 7.7% (p = 0.024) in those with fasting glucose level of 110 mg/dL or higher, while the placebo group did not exhibit a statistically significant decrease. Safety profiles were not different between the two groups. Conclusion: The present study suggests that ginseng berry extract has the potential to improve glucose metabolism in human, especially in those with fasting glucose level of 110 mg/dL or higher. For a more meaningful benefit, further research in people with higher blood glucose levels is required.
A Study on Hair Removal Characteristics Using a Long-pulsed Alexandrite Laser
Choi Jin-Young,Kim Sang-Gil,Park Jong-Woong,Park Sung-Joon,Kim Hee-Je The Korean Institute of Electrical Engineers 2005 KIEE International Transactions on Electrophysics Vol.5C No.1
Recently, lasers have become widely used throughout the medical treatment field. Several types of lasers have been used for the purpose of hair removal since the Alexandrite laser was approved by the FDA (Food & Drug Administration) for clinical epilation. In this study, a long-pulsed Alexandrite laser system for hair removal adopting a multi-discharge method in which three flash lamps are turned on consecutively was designed and fabricated. This laser system shows the technology that makes it possible to create extended pulse by turning on three flash lamps consecutively. With this technique, the pulse width can be varied from 4ms∼10ms. Then using this Alexandrite laser system with the pulse width 10ms and the beam size 7mm, hair removal was performed on the back portion of a human hand and leg. This study shows that treatment by the long-pulsed Alexandrite laser produces hair removal with no relevant side effects.
A New Record of Larerannis miracula (Prout) from Korea (Lepidoptera, Geometridae)
CHOI, Sei-Woong,KIM, Sung-Soo 한국곤충학회 2005 Entomological Research Vol.35 No.1
An ennomine species, Larerannis miracula (Prout, 1929), is newly recorded from Korea. Description of the adult and life history and illustration of male genitalia are provided.
Dispatching rule of automated guided vehicle to minimize makespan under jobshop condtion
Choi, Jung-Sang,Kang, In-Seon,Park, Chan-Woong Society of Korea Industrial and System Engineering 2001 한국산업경영시스템학회지 Vol.24 No.62
This research is concerned with jobshop scheduling problem for an advanced manufacturing system like flexible manufacturing which consists of two machine centers and a single automated guided vehicle(AGV). The objective is to develop and evaluate heuristic scheduling procedures that minimize makespan to be included travel time of AGV. A new heuristic algorithm is proposed and illustrates the proposed algorithm. The heuristic algorithm is implemented for various cases by SLAM II. The results show that the proposed algorithm provides better solutions in reduction ratio and frequency than the previous algorithm.
( Sung Hwan Youn ),( Chong Won Choi ),( Jae Woo Choi ),( Bo Ri Kim ),( Sang Young Byun ),( Sang Woong Youn ) 대한피부과학회 2013 대한피부과학회 학술발표대회집 Vol.65 No.2
Background: We usually divided cosmetic facial zone into the T zone and U zone by the level of sebum secretion. Our recent studies suggested that the perioral area showed different characteristics in the aspect of acne development. Objectives: To investigate the unique characteristics of the O zone (perioral area) among the three facial areas. Methods: A total of 102 patients clinically diagnosed as acne vulgaris were included. The acne lesions were counted from the clinical digital photographs by facial areas. The sebum level was measured using Sebumeter®. Area-weighted (AW) sebum and AW density of three areas of face were calculated. Statistical analysis was performed according to age and gender. Results: There were no differences in the mean AW sebum level between the gender and age groups. Male has higher AW density of acne lesions than female at the O zone. The mean AW density of acne lesions on the NT zone, U zone, and whole face showed decrease by age, but at the O zone, 21-30 years group showed the highest mean AW density of acne. Conclusion: We suggested that the O zone is an independent facial zone, which showed a moderate-to-high sebum secreting area, maintained the acne lesions development by age, and predominated acne lesions in the male acne patients than female acne patients. Therefore, the O zone should be separated from the usual cosmetic T zone, and NT zone should replace the old T zone.