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전기자동차 충전 인터페이스를 통한 차량 진단 서비스를 제공하는 CAN-to-Ethernet 게이트웨이 설계
이은조(Eunjo Lee),김석명(Seok-Myung Kim),김선경(Seon-Kyung Kim),엄광식(Kwang-Sik Eom),홍선택(Sun-Taek Hong) 한국자동차공학회 2017 한국자동차공학회 학술대회 및 전시회 Vol.2017 No.11
The most widely installed Ethernet recently applies to vehicle diagnostics, drivers can easily access electric control units (ECUs) using in-vehicle network (IVN) Ethernet to controller area network (CAN) gateway to check and reprogram the latest firmware from remote sites. The parallel ECU programming through Ethernet is a new remarkable on-board diagnostic (OBD) service which can provide programming for multiple ECUs at the same time. However, the service provokes the ECU programming completion time delay because of the burst frames and bus arbitrations. This paper presents a time-scheduling architecture for the gateway minimizes the delay of ECU programming completion time at the same time which can be applied to the electric vehicle charging controller using the power line communication (PLC) interface.
Aqueous Extract of Humulus japonicus Attenuates Hyperlipidemia and Fatty Liver in Obese Mice
정윤희,방준석,강창묵,고지원,이호성,홍석명,김동석,박언섭,정태우,신용규,이종혁,정지훈 한국식품영양과학회 2018 Journal of medicinal food Vol.21 No.10
In this study, the effects of Humulus japonicus (HJ) aqueous extract on 3T3-L1 preadipocytes and HepG2 cells (in vitro model) as well as on C57BL/6 mice fed on high-fat diet (HFD) (in vivo model) were evaluated. Mice fed on HFD for 12-weeks were taken the HJ water extract (HJW) at various doses, 50, 150, and 250 mg/kg, orally for 8 weeks. We have noticed the accumulation of fat globules in preadipocytes and HepG2 cells using Oil Red O staining. In addition, supplementation with HJW considerably inhibited the weight gain, lipid accumulation, and adipogenesis and decreased the size of subcutaneous adipocytes in 3T3-L1 adipocytes. Furthermore, treatment with HJW improved hyperlipidemia via decreasing the levels of serum triglyceride (TG) and low-density lipoproteins as well as the atherogenic index. Supplementation with HJW could attenuate HFD-induced lipid accumulation, increase the mRNA expressions of fatty acid synthase (FAS) and stearoyl-CoA desaturase (SCD1), and would elevate the levels of serum aspartate aminotransferase and alanine aminotransferase in mice liver. The levels of TG and FAS mRNA in HepG2 cells treated with palmitate were reduced in a dose-dependent manner. In sum, HJW could alleviate the HFD-induced obesity and decrease the dyslipidemia profiles; the keys that could contribute to cardiovascular and nonalcoholic liver diseases.