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RISS 인기검색어
- 검색키워드
- 저자 : Minjie Gong,Osmud Rahman (검색결과 3 건)
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TRANSFORMABLE GARMENT: SUSTAINABLE FASHION AND MASS CUSTOMIZATION
Minjie Gong,Osmud Rahman 글로벌지식마케팅경영학회 2015 Global Fashion Management Conference Vol.2015 No.06
The purpose of this research is to enhance sustainable outcomes as well as to understand the Chinese consumers’ needs by focusing on transformable design. In this study, mass customization and co-design were discussed. One-on-one interviews and online surveys were employed to capture both fashion experts’ and consumers’ opinions toward transformable design through customization.
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나이오븀 산화물 코팅을 이용한 나트륨이온전지용 층상계양극소재의 전기화학적 성능향상 연구
공상혁(Sang Hyuk Gong),강현범(Hyun Beom Kang),조민지(Minji Jo),김주영(Ju Young Kim),장원영(Wonyoung Chang),김형석(Hyung-Seok Kim) 한국전지학회 2021 한국전지학회지 Vol.1 No.1
본 연구에서는 O3형 층상계산화물의 전구체에 나이오븀 코팅 실시하였고 이 방법이 O3형 층상계산화물의 전기화학적 특성을 크게 향상 시킨다는 것을 확인하였다. 코팅된 층상계산화물은 0.2 C에서 충/방전 100 사이클 이후 83 mAh g<SUP>-1</SUP>의 우수한 용량을 보이고 5C의 고율의 충/방전에서는 코팅이 안된 층상계산화물에 비해 약 2.5 배 큰 97.6 mAh g<SUP>-1</SUP>의 용량을 보여주었다. Sodium-ion batteries are considered as promising alternatives to lithium-ion batteries, owing to their low cost and abundant raw materials. Among the several candidate materials for the cathode, O3-type Nax-TMO2 (TM = transition metal) has potential owing to its superior initial charge capacity and coulombic efficiency. However, the structural degradation of O3-type NaxTMO2 during charge/discharge cycles still remains challenging for practical sodium-ion battery systems. Herein, we report a coating strategy to achieve superior electrochemical properties of O3-type layered structure. We demonstrate that sodium and niobium embedded coating layer enhances the electrochemical properties of NaNi1/4Fe1/4Co1/4Mn1/4O₂ (NaNFCM4114). The coated NaNFCM4114 shows a superior discharge capacity of 83 mAh g<SUP>-1</SUP> after 100 cycles at 0.5 C, compared with that of NaNFCM4114 (55 mAh g<SUP>-1</SUP>). In addition, the coated NFCM4114 (97.6 mAh g<SUP>-1</SUP>) shows about 2.5 times more discharge capacity at 5C than that of NFCM4114 (39 mAh g<SUP>-1</SUP>).
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Nuciferine modulates the gut microbiota and prevents obesity in high-fat diet-fed rats
Wang Yueping,Yao Weifan,Li Bo,Qian Shiyun,Wei Binbin,Gong Shiqiang,Wang Jing,Liu Mingyan,Wei Minjie 생화학분자생물학회 2020 Experimental and molecular medicine Vol.52 No.-
Gut microbiota dysbiosis has a significant role in the pathogenesis of metabolic diseases, including obesity. Nuciferine (NUC) is a main bioactive component in the lotus leaf that has been used as food in China since ancient times. Here, we examined whether the anti-obesity effects of NUC are related to modulations in the gut microbiota. Using an obese rat model fed a HFD for 8 weeks, we show that NUC supplementation of HFD rats prevents weight gain, reduces fat accumulation, and ameliorates lipid metabolic disorders. Furthermore, 16S rRNA gene sequencing of the fecal microbiota suggested that NUC changed the diversity and composition of the gut microbiota in HFD-fed rats. In particular, NUC decreased the ratio of the phyla Firmicutes/Bacteroidetes, the relative abundance of the LPS-producing genus Desulfovibrio and bacteria involved in lipid metabolism, whereas it increased the relative abundance of SCFA-producing bacteria in HFD-fed rats. Predicted functional analysis of microbial communities showed that NUC modified genes involved in LPS biosynthesis and lipid metabolism. In addition, serum metabolomics analysis revealed that NUC effectively improved HFD-induced disorders of endogenous metabolism, especially lipid metabolism. Notably, NUC promoted SCFA production and enhanced intestinal integrity, leading to lower blood endotoxemia to reduce inflammation in HFD-fed rats. Together, the anti-obesity effects of NUC may be related to modulations in the composition and potential function of gut microbiota, improvement in intestinal barrier integrity and prevention of chronic low-grade inflammation. This research may provide support for the application of NUC in the prevention and treatment of obesity.
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