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Dong-Ju Chen,Li-Hua Yan,Qian Li,Cai-jiao Zhang,Chuan-Ling Si,Zhong-Yuan Li,Ya-Jian Song,Hao Zhou,Tong-Cun Zhang,Xuegang Luo 한국식품과학회 2017 Food Science and Biotechnology Vol.26 No.6
Conjugated linoleic acid (CLA) isomers, c9, t11- CLA and t10, c12-CLA, have been proved to exhibit excellent biomedical properties for potential use in anticancer applications and in reducing obesity. Acer truncatum Bunge (ATB), which is rich in unsaturated fatty acids, including oleic acid, linoleic acid, and nervonic acid, is a new resource for edible oil. In the present study, we developed a new method for producing two CLA isomers from ATB-seed oil by fermentation using Lactobacillus plantarum CGMCC8198 (LP8198), a novel probiotics strain. Polymerase chain reaction results showed that there was a conserved linoleate isomerase (LIase) gene in LP8198, and its transcription could be induced by ATBseed oil. Analyses by gas chromatography–mass spectrometry showed that the concentration of c9, t11-CLA and t10, c12-CLA in ATB-seed oil could be increased by about 9- and 2.25-fold, respectively, after being fermented by LP8198.
Chen, Kang-Yin,Rha, Seung-Woon,Li, Yong-Jian,Poddar, Kanhaiya L,Jin, Zhe,Minami, Yoshiyasu,Wang, Lin,Kim, Eung Ju,Park, Chang Gyu,Seo, Hong Seog,Oh, Dong Joo,Jeong, Myung Ho,Ahn, Young Keun,Hong, Taek American Heart Association, etc.] 2009 CIRCULATION - Vol.119 No.25
<P>BACKGROUND: Whether triple antiplatelet therapy is superior or similar to dual antiplatelet therapy in patients with acute ST-segment elevation myocardial infarction undergoing primary percutaneous coronary intervention in the era of drug-eluting stents remains unclear. METHODS AND RESULTS: A total of 4203 ST-segment elevation myocardial infarction patients who underwent primary percutaneous coronary intervention with drug-eluting stents were analyzed retrospectively in the Korean Acute Myocardial Infarction Registry (KAMIR). They received either dual (aspirin plus clopidogrel; dual group; n=2569) or triple (aspirin plus clopidogrel plus cilostazol; triple group; n=1634) antiplatelet therapy. The triple group received additional cilostazol at least for 1 month. Various major adverse cardiac events at 8 months were compared between these 2 groups. Compared with the dual group, the triple group had a similar incidence of major bleeding events but a significantly lower incidence of in-hospital mortality. Clinical outcomes at 8 months showed that the triple group had significantly lower incidences of cardiac death (adjusted odds ratio, 0.52; 95% confidence interval, 0.32 to 0.84; P=0.007), total death (adjusted odds ratio, 0.60; 95% confidence interval, 0.41 to 0.89; P=0.010), and total major adverse cardiac events (adjusted odds ratio, 0.74; 95% confidence interval, 0.58 to 0.95; P=0.019) than the dual group. Subgroup analysis showed that older (>65 years old), female, and diabetic patients got more benefits from triple antiplatelet therapy than their counterparts who received dual antiplatelet therapy. CONCLUSIONS: Triple antiplatelet therapy seems to be superior to dual antiplatelet therapy in patients with ST-segment elevation myocardial infarction undergoing primary percutaneous coronary intervention with drug-eluting stents. These results may provide the rationale for the use of triple antiplatelet therapy in these patients.</P>
Ju-Ping Dong,Chen Zhao,Jin-Jun Qiu,Cheng-Mei Liu 한국공업화학회 2020 Journal of Industrial and Engineering Chemistry Vol.90 No.-
Utilizing phosphine (PH3) tail gas as starting feedstock, a series of novel mono-and bifucntionalphosphonium compounds (P+(CH2CH2CN)3RX , X= Br, I) was prepaed by a sustainable preparation route. The newly prepared phosphonium halides show high thermal stability and their degradationtemperature are far higher than that of CO2 chemicalfixation. The mono-fucntional phosphoniumsalts combinate with ZnBr2 to form an efficient Lewis acid/base type catalytic system for CO2 chemicalfixation and the bifucntional phosphonium salts alone shows same catalytic effects. The effects oftemperature, CO2 pressure, composition of the catalytic system on coupling reaction of CO2 withepoxides are investigated to evaluate the catalytic performance. The results illustrate that 96.7% cyclicCarbonate yield can be obtained in presence of ZnBr2/P+(CH2CH2CN)3C4H9Br (molar ratio = 1:10) under120 C, 1.5MPa of CO2 pressure in solvent-free condition, menawhile bifuntional phiospohonium salt Br-P+(CH2CH2CN)3C2H4COOH alone shows better catalytic perofromance.
Chen Sheng-tao,Li Dong-ju,Tian Hao,Hou Jiao-yi,Ning Da-yong,Gong Yong-jun 대한조선학회 2022 International Journal of Naval Architecture and Oc Vol.14 No.1
Maneuverability, which is closely related to navigation safety, is an important part of the overall performance of an underwater vehicle. The purpose of this study is to analyze the dynamic response of an underwater vehicle to internal waves at different angles and speeds. A combination of experiments and numerical simulations is used to compare the forces on the underwater vehicle. In terms of fluidstructure coupling, the internal wave interface is tracked by the VOF method. In this paper, waves of the same amplitude ratio as the numerical results are simulated using a wave-making sphere. The validity of the numerical method is verified by comparing with the rotation moment test of the underwater vehicle. The results show that different angles of attack have significant effects on the forces and moments of the underwater vehicle and that choosing the right angle of attack and rotation speed can limit the dangerous depth. The conclusion is of certain significance for the safety of underwater navigation.
( Ju-dong Li ),( Xin-fei Xu ),( Jiong-jie Yu ),( Jia-he Wang ),( Li- Yang Sun ),( Wen-tao Yan ),( Bing Quan ),( Jian-hong Zhong ),( Yi-sheng Huang ),( Ya-hao Zhou ),( Ting-hao Chen ),( Hong Wang ),( W 대한간학회 2018 춘·추계 학술대회 (KASL) Vol.2018 No.1
Aims: Serum prealbumin is more sensitive to profile nutritional status and liver function than albumin, which could hardly be affected by infusion supplement. This study aims: to identify the relationship between preoperative prealbumin level and the long-term prognosis after curative resection of hepatocellular carcinoma (HCC). Methods: Patients undergone HCC curative resection between 2001 and 2014 at six institutions in China were enrolled. By using 170 mg/dl as cut-off value of serum prealbumin level, these patients were divided into the low and normal preoperative prealbumin groups. The overall survival (OS) and recurrence-free survival (RFS) were analyzed and compared. Univariable and multivariable Cox-regression analyses were performed to identify predictive factors of OS and RFS. Results: Among 1,483 patients, 437 (29.5%) had a low prealbumin level within a week before surgery. The 1-, 3-, and 5-year OS and RFS rates of patients in the low prealbumin group were 83.8, 57.0, and 31.1%, and 67.0, 39.8, and19.9%, respectively, which was significantly poorer than those in the normal group (93.0, 75.5, and 42.6%, and 77.0, 56.4, and 28.4%, both P<0.001). Multivariable analyses revealed that preoperative prealbumin level, but not albumin level, was an independent predictor of OS (HR, 1.789; 95% CI: 1.544 -2.072, P<0.001) and RFS (HR, 1.420; 95% CI: 232-1.636, P<0.001). Conclusions: Preoperative prealbumin level is useful for predicting long-term prognosis in patients undergoing liver resection for HCC. Prealbumin may be suitable to displace albumin, yielding to an updated Child-Pugh grade for accessing liver function.
Microwave-assisted Approach for the Rapid Enzymatic Digestion of Rapeseed Meal
Ju-Fang Li,Fang Wei,Lu-Lu Guo,Gang-You Yuan,Feng-Hong Huang,Mu-Lan Jiang,Yuan-Di Zhao,Xu-Yan Dong,Guang-Ming Li,Hong Chen 한국식품과학회 2010 Food Science and Biotechnology Vol.19 No.2
This study demonstrates the use of a new microwave-assisted approach for accelerating the enzymatic digestion of rapeseed meal. The effects of different microwave parameters, such as the time, temperature, and power level, on the degree of hydrolysis (DH) were investigated by using response surface methodology (RSM). The maximum predicted DH value (10.2%) was in good agreement with the value obtained experimentally using an alkaline protease, which was 12.57% under optimal conditions. In only 7 min, the microwave-assisted method achieved a DH value similar to that obtained by the conventional enzymatic digestion method (4 hr). Therefore,this new technique for rapid enzymatic digestion will improve the application of rapeseed meal in the preparation of protein hydrolysates for use in food and feed.
이주현(Ju-Hyun. Lee),이동희(Dong-Hee. Lee),Hao Chen,안진우(Jin-Woo. Ahn) 전력전자학회 2004 전력전자학술대회 논문집 Vol.- No.-
A three-phase 6/8 structure SRM (switched reluctance motor), the design and analysis of the motor are described. The range of the stator pole arc factor and the rotor pole arc factor of the motor are analyzed in the linear region. The optimum range of the stator pole arc factor and the turn-off angle of the main switches in the power converter are given with the 2-D finite element electro-magnetic field calculation of the motor and the nonlinear simulation. Test results of the prototype developed are discussed.
구영주(Young Ju Koo),천지영(Ji Young Chen),최규영(Kyu Young Choi),이동훈(Dong Hoon Lee) 한국정보보호학회 2008 정보보호학회논문지 Vol.18 No.a6
일반서명은 누구나 서명의 정당성을 검증 가능하기 때문에 메시지에 대한 인증을 제 3자에게 전가함으로서 프라이버시 침해를 일으키기도 한다. 이에 Jakobsson 등은 지정된 사람만이 서명을 검증할 수 있게 하는 지정된 검증자 서명기법을 처음 소개 하였다. 지정된 검증자 서명기법은 오직 선택된 검증자만이 서명을 검증할 수 있게 하는 기법으로 메시지 인증성질의 문제점과 프라이버시 침해를 해결한다. 본 논문에서는 ‘인증서가 없는(Certificateless)’ 개념을 기반으로, 서명자의 프라이버시를 강화한 인증서 없는 강한 지정된 검증자 서명기법을 제안하고자 한다. 제안하는 기법은 기존의 인증서 없는 지정된 검증자 서명기법에 비해 다소 효율성이 떨어지나 강한의 성질과 양도성의 문제를 가지지 않는 인증서가 없는 강한 지정된 검증자 서명 기법은 본 논문이 최초이다. In the traditional signature techniques, anyone can verify the signed message. It may cause a problem since a receiver of the signature can transfer the conviction of signature to a third party. In 1996, Jakobsson introduced a designate verifier signature(DVS) which is allowed to verify only specific verifier. DVS is the solution of conflict between authenticity and privacy because it provides message authentication without non-repudiation property. In this paper based on the notion of certificateless, we suggest a certificateless strong designated verifier signature scheme including the notion of strong which provides privacy of the signer. We suggest a scheme which is first trial to propose a certificateless strong designated verifier signature scheme including the notion of strong and non-delegatability, although it is not more efficient than previous one.