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Nguyen Viet Phong, Byung Sun Min, Seo Young Yang and Jeong Ah Kim
We isolated eight known secondary metabolites, including two isocoumarins and six coumarins, from the stems and branches of Acer mono Maxim. Their structures were confirmed using nuclear magnetic resonance spectroscopy and by comparing the data to publis...
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Sung Cheol Koo, Hyun Sim Woo, Jae Woo Kim, Yeong-Su Kim, Jeong Yoon Kim, Jang Hoon Kim, Jin Yu, Young Chang Kim and Dae Wook Kim
Codonopsis ussuriensis (Rupr. and Maxim.) Hemsl is a medicinal herb commonly found in Korea, Japan, and the Russian Far East. However, its chemical composition and bioactivity have not been extensively studied. Thus, in this study, we aimed to examine an...
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Guosheng Jiang, Tianle Liu, Fulong Ning, Yunzhong Tu, Ling Zhang, Yibing Yu and Lixin Kuang
Shale inhibition, low-temperature performance, the ability to prevent calcium and magnesium-ion pollution, and hydrate inhibition of polyethylene glycol drilling fluid were each tested with conventional drilling-fluid test equipment and an experimental g...
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