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维药胡桐泪的多糖含量测定及其糖组成分析

中国民族民间医药 2022年第12期31卷 31-37页

作者：柳菁菁施松善张彬锋 maeng yoo jae 乐金生活健康化妆品研发(上海)有限公司上海中医药大学

目的:测定市场上实际流通的商品胡桐泪药材中多糖的含量并对其单糖组成进行分析，以多糖为指标评价药材质量。方法:采用苯酚-硫酸法对总多糖进行含量测定;应用核磁共振氢谱(1H-NMR)分析单糖组成;运用高效凝胶渗透色谱(HPGPC)测定总多糖... 详细信息

目的:测定市场上实际流通的商品胡桐泪药材中多糖的含量并对其单糖组成进行分析，以多糖为指标评价药材质量。方法:采用苯酚-硫酸法对总多糖进行含量测定;应用核磁共振氢谱(1H-NMR)分析单糖组成;运用高效凝胶渗透色谱(HPGPC)测定总多糖的分子量分布。结果:以葡萄糖计，4批新式胡桐泪总多糖含量平均值为(7.36±1.74)%,6批老式胡桐泪总多糖含量平均值为(1.53±0.99)%;新式与老式胡桐泪总多糖的单糖组成相似，主要由阿拉伯糖和半乳糖组成，还含有木糖、甘露糖、鼠李糖等，部分样品尚含有较高含量的葡萄糖;新旧类型样品总多糖在分子量分布上存在较大差异。结论:新式胡桐泪的总多糖含量平均值较老式高，以多糖含量为评价指标时，新式样品总体质量较老式更好;应用核磁共振氢谱可以快速、准确地鉴定单糖组成。

关键词：胡桐泪苯酚-硫酸法多糖含量测定核磁共振氢谱糖组成分析高效凝胶渗透色谱中药研究

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黄海大海洋生态系滨海湿地保护:进展与建议

国家公园（中英文） 2024年第4期2卷 272-280页

作者：曲方圆 jae-Won yoo 王守强自然资源部第一海洋研究所渤海海峡生态通道野外科学观测研究站青岛266061 Korea Institute of Coastal Ecology Inc. Bucheon 14449

黄海大海洋生态系(YSLME)滨海湿地是东亚—澳大利西亚候鸟的中转站和越冬栖息地,对东亚-澳大利西亚迁徙路线的候鸟至关重要。由于过去几十年的经济发展,中国和韩国都开垦了大量的滨海湿地,因此生境丧失被确定为是对YSLME的一个重大跨界... 详细信息

黄海大海洋生态系(YSLME)滨海湿地是东亚—澳大利西亚候鸟的中转站和越冬栖息地,对东亚-澳大利西亚迁徙路线的候鸟至关重要。由于过去几十年的经济发展,中国和韩国都开垦了大量的滨海湿地,因此生境丧失被确定为是对YSLME的一个重大跨界威胁。为缓解这一跨界威胁,YSLME二期项目在其战略行动计划中提出数项管理行动计划,同时,旨在2030年前保护30%海洋的全球生物多样性保护目标(3030目标)也得到了通过。因此,重点介绍了中国和韩国在湿地保护法律法规、滨海湿地保护地建设、公众意识以及国际合作等方面的进展,并简要介绍了朝鲜的滨海湿地保护情况,为更好地解决滨海湿地丧失这一跨界威胁和实现3030目标提供了建议。YSLME滨海湿地保护主要进展为:中韩两国逐渐完善其湿地保护法律法规体系、早期滨海湿地面积急剧丧失的趋势在近年来得到缓解、两国都建立了越来越多的滨海湿地保护地、提升公众意识已经体现在各级法律法规中、中韩之间有持续的滨海湿地国际合作交流活动。对于未来的保护工作,提出了四点建议:扩大滨海湿地保护地面积、保护迁徙动物的生态廊道、加强YSLME滨海湿地保护地网络建设以及增强保护地信息的可获得性。

关键词：黄海大海洋生态系滨海湿地保护进展建议

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一款含植物组合发酵物精华露的皮肤改善效果评价

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日用化学品科学 2021年第3期44卷 26-30页

作者： Lee Joon Ho Goh Eun Ji Jung Hae Min Jeong Eui Taek 张彬锋 maeng yoo jae 乐金生活健康化妆品研发(上海)有限公司上海200233 LG生活健康股份有限公司技术研究院首尔07795韩国

通过分析植物组合发酵物发酵前后的氨基酸、有机酸含量变化和对胶原蛋白的合成提高率的影响,并对一款含有该植物组合发酵物的精华露采用测定受试志愿者使用前后皮肤含水量、皮肤平滑度和光泽度等客观指标,结合问卷调查收集受试者使用感... 详细信息

通过分析植物组合发酵物发酵前后的氨基酸、有机酸含量变化和对胶原蛋白的合成提高率的影响,并对一款含有该植物组合发酵物的精华露采用测定受试志愿者使用前后皮肤含水量、皮肤平滑度和光泽度等客观指标,结合问卷调查收集受试者使用感受等主观指标进行了人体功效评价。结果表明,植物组合发酵物与发酵前比较,氨基酸和有机酸的含量增加,同时胶原蛋白合成率提高。含有该植物组合发酵物的精华露能显著提高皮肤含水量,改善皮肤平滑度和光泽度。使用4周后97.2%的受试者对该产品整体效果表示满意,实验过程中无受试者出现不良反应。研究结果显示,该款产品具有一定的皮肤改善效果。

关键词：发酵精华露胶原蛋白皮肤改善含水量光泽度平滑度

《鲁府禁方》美容方特色分析及其在化妆品开发中的应用展望

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广东化工 2020年第21期47卷 87-89,92页

作者：柳菁菁张彬锋孟裕在乐金生活健康化妆品研发(上海)有限公司上海200233

《鲁府禁方》为明朝鲁王府中所藏秘方合集,分为福、寿、康、宁四卷,书中收录美容方剂35首,包括润肤驻颜方、乌须黑发方、芳香除臭方、补益延衰方、美容治疗方。《鲁府禁方》中的美容方剂在选方用药、使用方法、制备工艺等方面颇具特色,... 详细信息

《鲁府禁方》为明朝鲁王府中所藏秘方合集,分为福、寿、康、宁四卷,书中收录美容方剂35首,包括润肤驻颜方、乌须黑发方、芳香除臭方、补益延衰方、美容治疗方。《鲁府禁方》中的美容方剂在选方用药、使用方法、制备工艺等方面颇具特色,对现代中医药美容科学的发展有重要的参考价值。

关键词：《鲁府禁方》美容方方剂特色化妆品

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新型美白牙膏除烟渍效果实验室研究

日用化学品科学 2020年第12期43卷 28-32页

作者：张涛金台焕朴宣圭孟裕在乐金生活健康化妆品研发(上海)有限公司上海200233 LG生活健康股份有限公司技术研究院首尔07795

开发了一款含吡咯烷酮基团的除烟渍美白牙膏。通过对染上烟渍的羟基磷灰石圆片的除渍实验,研究了丙烯酰胺二甲基牛磺酸铵/VP共聚物及新型美白牙膏的除渍能力。结果表明,新型含吡咯烷酮基团牙膏具有很好的美白效果。新型美白牙膏具有很... 详细信息

开发了一款含吡咯烷酮基团的除烟渍美白牙膏。通过对染上烟渍的羟基磷灰石圆片的除渍实验,研究了丙烯酰胺二甲基牛磺酸铵/VP共聚物及新型美白牙膏的除渍能力。结果表明,新型含吡咯烷酮基团牙膏具有很好的美白效果。新型美白牙膏具有很好的安全性,对口腔软硬组织没有损伤。

关键词：牙膏美白烟渍丙烯酰胺二甲基牛磺酸铵/VP共聚物

Real-Time Demand Response Management for Controlling Load Using Deep Reinforcement Learning

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Computers, Materials & Continua 2022年第12期73卷 5671-5686页

作者： Yongjiang Zhao jae Hung yoo Chang Gyoon Lim Department of Computer Engineering Chonnam National UniversityYeosu59626Korea

With the rapid economic growth and improved living standards,electricity has become an indispensable energy source in our ***,the stability of the grid power supply and the conservation of electricity is *** following are some of the problems facing now:1)During the peak power consumption period,it will pose a threat to the power *** and improving the power distribution infrastructure requires high maintenance costs.2)The user’s electricity schedule is unreasonable due to personal behavior,which will cause a waste of *** load as a vital part of incentive demand response(DR)can achieve rapid response and improve demand-side *** load by manually formulating rules,some devices are selective to be adjusted during peak power ***,it is challenging to optimize methods based on manual *** paper uses SoftActor-Critic(SAC)as a control algorithm to optimize the control *** results show that through the coordination of the SAC to control load in CityLearn,realizes the goal of reducing both the peak load demand and the operation costs on the premise of regulating voltage to the safe limit.

关键词： Demand response controlling load SAC CityLearn

Defect-rich spinel ferrites with improved charge collection properties for efficient solar water splitting

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Journal of Advanced Ceramics 2023年第3期12卷 612-624页

作者： Runfa Tan yoo jae Jeong Qu Li Minje Kang In Sun Cho Department of Materials Science&Engineering Ajou UniversitySuwon 16499Republic of Korea Department of Energy Systems Research Ajou UniversitySuwon 16499Republic of Korea

Spinel zinc ferrite(ZnFe_(2)O_(4),ZFO)is a potential photoanode material for photoelectrochemical(PEC)water splitting because of its ideal bandgap(1.9–2.1 eV)and superior chemical stability in aqueous ***,the low charge collection efficiency significantly hinders the improvement in PEC ***,we report an ultrafast and effective flame activation route to enhance the charge collection properties of ***,high-temperature flame(>1300℃)facilitated surface and grain boundary diffusions,increasing the grain size and connectivity of the ZFO ***,the reducing atmosphere of the flame enabled the formation of surface defects(oxygen vacancy and Fe^(2+)),thereby increasing the charge carrier density and surface adsorption ***,these two factors promoted charge transport and transfer kinetics,resulting in a 10-fold increase in the photocurrent density over the unactivated ***,we deposited a thin Al_(2)O_(3)overlayer to passivate the ZFO surface and then the NiFeOx oxygen evolution catalyst(OEC)to expedite hole injection into the *** surface passivation and OEC deposition led to a remarkable photocurrent density of~1 mA/cm^(2)at 1.23 V versus the reversible hydrogen electrode,which is the highest value among all reported ZFO ***,the NiFeOx/Al_(2)O_(3)/F-ZFO photoanode achieved excellent photocurrent stability over 55 h(96%retention)and superior faradaic efficiency(FE>94%).Our flame activation method is also effective in improving the photocurrent densities of other spinel ferrites:CuFe_(2)O_(4)(93 times),MgFe_(2)O_(4)(16 times),and NiFe_(2)O_(4)(12 times).

关键词： spinel ferrites flame activation defect-rich surface charge collection photoelectrochemical(PEC) water splitting

Computed tomography coronary angiography after excluding myocardial infarction:high-sensitivity troponin versus risk score-guided approach

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World Journal of Emergency Medicine 2023年第6期14卷 428-433页

作者： Won jae yoo Shin Ahn Bora Chae Won Young Kim Department of Emergency Medicine Asan Medical CenterUniversity of Ulsan College of MedicineSeoul 05505Republicof Korea

BACKGROUND:Patients with suspected acute coronary syndrome (ACS) in whom myocardial infarction has been ruled out are still at risk of having obstructive coronary artery disease (CAD).This rate is higher among patients with intermediate high-sensitivity troponin I (hsTnI) concentrations (5 ng/L to 99th percentile) than low concentrations (<5 ng/L).Therefore,an intermediate concentration has been suggested as a candidate for downstream investigation with computed tomography coronary angiography(CTCA).We tried to compare the HEART score-guided ***-guided approach for identifying obstructive ***:From a prospective cohort study of patients presenting to the emergency department with suspected ACS,433 patients without elevated hsTnI who also underwent CTCA were selected and *** performances of hsTnI concentration and HEART score were compared using sensitivity,specificity,positive predictive value (PPV),and negative predictive value (NPV).RESULTS:Overall,120 (27.7%) patients had obstructive *** with intermediate hsTnI concentrations were more likely to have obstructive CAD than those with low hsTnI concentrations(40.0%vs.18.1%);patients with non-low-risk HEART scores (≥4 points) were also more likely to have obstructive CAD than those with low-risk scores (0 to 3 points)(41.0%vs.7.6%).The HEART score had higher sensitivity and NPV for detecting obstructive CAD in each classification than hsTnI concentration (sensitivity:89.2%vs.63.3%;NPV:92.4%vs.81.9%,respectively).CONCLUSION:After excluding myocardial infarction in patients with suspected ACS,adding the HEART score for selecting candidates for CTCA could improve patient risk stratification more accurately than relying on hsTnI concentration.

关键词： Chest pain Coronary artery disease Acute coronary syndrome Troponin HEART score

Novel extended C-m models of flow stress for accurate mechanical and metallurgical calculations and comparison with traditional flow models

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Journal of Magnesium and Alloys 2022年第9期10卷 2516-2533页

作者： Man Soo Joun Mohd Kaswandee Razali jae Dong yoo Min Cheol Kim Jeong Muk Choi ReCAFT Gyeongsang National UniversityGraduate School of Mechanical and Aerospace EngineeringJinju 52828South Korea Gyeongsang National University Graduate School of Mechanical and Aerospace EngineeringJinju 52828South Korea MFRC Research CenterJinju 52818South Korea Jinhap Daejeon 34302South Korea

Here,we developed novel extended piecewise bilinear power law(C-m)models to describe flow stresses under broad ranges of strain,strain rate,and temperature for mechanical and metallurgical calculations during metal forming at elevated *** traditional C-m model is improved upon by formulating the material parameters C and m,defined at sample strains and temperatures as functions of the strain *** coefficients are described as a linear combination of the basis functions defined in piecewise patches of the sample strain and temperature domain.A comparison with traditional closed-form function flow models revealed that our approach using the extended piecewise bilinear C-m model is superior in terms of accuracy,ease of use,and adaptability;additionally,the extended C-m model was applicable to numerical analysis of mechanical,metallurgical,and microstructural ***,metallurgy-related values can be calculated directly from the flow stress *** the proposed model was developed for materials at elevated temperatures,it can be applied over a broad temperature range.

关键词： Flow stress Power law model Piecewise bilinear function Numerical analysis Microstructural prediction Peak strain