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崔相媛 한국의류학회 1978 한국의류학회지 Vol.2 No.1
General components and detergency of commercial shampoos have been investigated and the results are summerized in the following. Shampoos were analyzed for surfactants and additives by KS method and surfactants were confirmed by T.L.C. Considerable differences in amounts of non volatiles and surfactants were found. Three of them contain either lanoline or sterols as additives and in the three, propylene glycol was found in their liquid part. It was shown that predominant sufactant was anionic and in all, except one, a little ampholytic surfactant was detected. But, contrary to forecast, in only one a little of nonionic surfactant was detected. Detergency of shampoos was examined using artificially soiled wool muslin. Considerable difference was found, and all shampoos showed higher detergency than a synthetic powder type detergent for textiles. There were no significant correlation between detergency and amount of surfactants or suspending power of detergents.
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최상원,김은옥,이준영 한국식품영양과학회 2006 Preventive Nutrition and Food Science Vol.11 No.4
Phenolic compounds in safflower seeds were recently found to stimulate bone formation and increase plasma HDL cholesterol levels in estrogen deficient rats, and to inhibit melanin synthesis. Nine phenolic compounds: N-feruloylserotonin-5-O-β-D-glucoside, 8'-hydroxyarctigenin-4'-O-β-D-glucoside, luteolin-7-O-β-D-glucoside, N-(p- coumaroyl)serotonin, N-feruloylserotonin, 8'-hydroxy arctigenin (HAG), luteolin (LT), acacetin-7-O-β-D-glucuronide (ATG) and acacetin (AT), were quantified by HPLC in safflower (Carthamus tinctorius L.) seeds during growth and processing. During growth, levels of the nine phenolic compounds in the seeds increased progressively with increasing growth stages, reached a maximum on July 30 (42nd day after flowering), and then remained relatively constant. During the roasting process, levels of phenolic compounds, except HAG, LT and AT, generally decreased with increased roasting temperature and time, whereas those of HAG, LT and AT increased progressively with increased roasting temperature and time. During the steaming process, levels of other phenolic compounds except HAG and AT generally tended to increase with increased steaming time, whereas those of HAG and AT were scarcely changed. During the microwave treatment, quantitative changes of phenolic compounds were similar to the roasting process, although there were some differences in levels of phenolic compounds between two heat treatments. These results suggest that the steamed safflower seeds after harvesting on late July may be useful as potential dietary supplement source of phenolic compounds for prevention of several pathological disorders, such as atherosclerosis and osteoporosis and aging.
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일제강점기 한국ㆍ중국ㆍ일본 등 동북아 3개국에 걸친 기자 장덕준의 언론활동에 관한 연구
최상원,한혜경 동북아시아문화학회 2012 동북아 문화연구 Vol.1 No.30
Study on the Journalism of Jang Deuk-Jun in Korea, Japan, and China during the Period of Japanese Imperialism Choi, Sang-Won․Han, Hye-Kyoung Jang Deuk-Jun played the leading role in opening Dong-A Ilbo in 1920 and was the first editorial and research·communications director of Dong-A Ilbo. He reported from 1920 August 2nd to August 18th in China Beijing as the first overseas correspondent in Korean media and left to Manchuria to report the massacre of Koreans by the Japanese army as the first war correspondent in Korean media on the October 15th the same year. However,he disappeared on November 6th and was reported dead to become the first reporter to be dead in the line of duty. Looking into the articles of Jang Deuk-Jun, he supported the phased independence theory that autonomy should be conducted before independence and independence directive movements such as 3·1 movements should be prepared and is proposing typical logic of right-wing nationalism. This is analyzed that deeply takes the political trend of bringing social development by improvement methods in Japanese studying abroad course. Reason of disappearance and death of Jang Deuk-Jun is still unclear. However, the fact that he was kidnapped and killed by Japanese military is actually confirmed and Dong-A Ilbo reported the content repeatedly for emphasize that Dong-A Ilbo has a strong national orientation
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다중 UGV를 활용한 임무 영역 탐사를 위한 공간 분할과 경로 계획
최상원,이상현,우상범,김태형,설형수,김덕수 제어·로봇·시스템학회 2024 제어·로봇·시스템학회 논문지 Vol.30 No.3
We propose a method for efficient partitioning and exploring complex mission areas using multiple unmanned ground vehicles (UGVs). We introduce two area partitioning algorithms that decompose a given mission area into segments appropriate for UGV navigation. The shape of the area determines the algorithms used. Additionally, we present a path-planning algorithm for each UGV’s entry and mission paths. Consequently, our method generates a collision-free driving plan based on the path planning results.We have implemented the proposed method in a simulator and conducted verification tests on various mission area shapes and UGV numbers. Our findings show that it achieves a partitioning quality comparable to a previous Voronoi diagram-based approach while improving performance by up to 15.3 times. Furthermore, the driving plan generated by our method allows all UGVs to navigate their paths safely without colliding. We also validated the effectiveness of the proposed method on a small UGV test bed. These results collectively affirm the practicality and efficacy of the proposed approach.
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최상원,장연정,이유진,임현희,김은옥 한국식품영양과학회 2013 Preventive Nutrition and Food Science Vol.18 No.4
Four functional constituents, oxyresveratrol 3'-O-β-D-glucoside (ORTG), oxyresveratrol (ORT), t-resveratrol(RT), and moracin (MC) were isolated from the ethanolic extract of mulberry (Morus alba L.) twigs by a series of isolation procedures, including solvent fractionation, and silica-gel, ODS-A, and Sephadex LH-20 column chromatographies. Their chemical structures were identified by NMR and FABMS spectral analysis. Quantitative changes of four phytochemicals in mulberry twigs were determined by HPLC according to cultivar, producing area, and heat processing. ORTG was a major abundant compound in the mulberry twigs, and its levels ranged from 23.7 to 105.5 mg% in six different mulberry cultivars. Three other compounds were present in trace amounts (<1 mg/100 g) or were not detected. Among mulberry cultivars examined, "Yongcheon" showed the highest level of ORTG, whereas "Somok" had the least ORTG content. Levels of four phytochemicals in the mulberry twigs harvested in early September were higher than those harvested in early July. Levels of ORTG and ORT in the “Cheongil” mulberry twigs produced in the Uljin area were higher than those produced in other areas. Generally, levels of ORTG and ORT in mulberry twigs decreased with heat processing, such as steaming, and microwaving except roasting, whereas those of RT and MC did not considerably vary according to heat processing. These results suggest that the roasted mulberry twigs may be useful as potential sources of functional ingredients and foods.
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