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2020-06 23

[Academics]Professor Eun Yong-soo Publishes a Book Related to International Relations Theory Through Routledge

Professor Eun Yong-soo Professor Eun Yong-soo from the Department of Political Science and International Studies recently published a book based on his studies related to international political theory through Routledge, a British publishing house. In his latest book, Going beyond Parochialism and Fragmentation in the Study of International Relations, Professor Eun presents limitations and alternatives to the already existing Western-centered theories of international politics. McGill University’s Professor T. V. Paul who is also a former president of the International Studies Association and Professor Colin Wight from the University of Sydney both took part in the publication of Professor Eun’s book. Founded in 1836, Routledge currently has more than 20 SSCI-level Humanities and Social Sciences journals. Meanwhile, as a professor in the Department of Political Science and International Relations, Professor Eun Yong-soo has published his papers as an independent author for all the official journals from the world’s four major political science and diplomacy societies: the American Political Science Association (APSA), the International Studies Association (ISA), the Political Studies Association (PSA), and the British International Studies Association (BISA). He has also been researching international political theory and postcolonialism. The cover of Going beyond Parochialism and Fragmentation in the Study of International Relations *Link for the publisher’s website and Professor Eun Yong-soo’s book: https://www.routledge.com/Going-beyond-Parochialism-and-Fragmentation-in-the-Study-of-International/Eun/p/book/9781138063006 Read more about Professor Eun Yong-soo on [Hanyang Wiki]: hyu.wiki/은용수 Global News Team global@hanyang.ac.kr Translation by: Lee Jung-joo

2020-05 29

[Academics]Hanyang University Professor Jang Yong-woo Opens the Door to Developing Targeted Therapies for Parkinson’s Disease

Professor Jang Yong-woo On May 27, Hanyang University announced that Professor Jang Yong-woo (Department of Biomedical Engineering) recently developed targeted treatment method of Parkinson’s disease. In this study, Professor Jang, along with Professor Kim Kwang-soo of Harvard Medical School’s McLean Hospital and Professor Yoon Ho-seop of Nanyang University of Technology in Singapore, discovered the "ligand"*of the Nurr1 nuclear receptor, which is involved in the generation and maintenance of dopamine neurons. Parkinson’s disease is a degenerative brain disease that is caused by a gradual decrease in nerve cells in the midbrain that secrete dopamine. The Nurr1 Protein inside the dopamine nerve cell is crucial for the dopamine nerve cell generation and survival and is known as an important nuclear receptor that regulates dopamine synthesis. The function of the Nurr1 nuclear receptor is regulated by the ligand, which is a biomolecule that binds with the Nurr1 nuclear receptor, and the Nurr1 nuclear receptor and dopamine can be activated through ligand control. However, until now, there have been limitations on regulating the Nurr1 nuclear receptor with drugs as no ligand has been found. (Photo by: Nature Chemical Biology) Through years of experiments with molecules, structures, cells, and animal experiments, Professor Jang’s team has found that the Lipid Metabolism materials, Prostaglandin E1 (PGE1) and Prostaglandin A1 (PGA1), directly combine into the Nurr1 nuclear receptor and ligand binding domains to control dopaminergic synthesis and the genes necessary to maintain dopamine neurons. In actuality a mouse induced with Parkinson’s disease in an animal model experiment was injected with PGE1 or PGA1 drug and recovered 80% of the Parkinson’s disease affected motor skills. Additionally, when comparing and analyzing the mesencephalon of a mouse, the secretion of dopamine in the midbrain of an animal with drug injection nearly doubled, and the survival rate of dopamine nerve cells increased by up to 80%. Professor Jang Yong-woo said, “The lack of drug effectiveness for Parkinson’s disease has been a major challenge in the development of treatments, and the study found that Nurr1 is no longer a nuclear receptor without ligand.” He also added that “along with the intrinsic metabolites, the discovery of additional synthetic ligands will pave the way for the development of Parkinson’s disease targeted treatment.” These findings were published on May 26 in Nature Chemical Biology, a sister journal of Nature and a world-renowned journal in the field of biochemistry. *Note) Ligand: Substance that uniquely bonds to large molecules such as receptors and plays a major role in the development and use of medicines as well as in vivo. *Introduction to the paper (Nature Chemical Biology) https://www.nature.com/articles/s41589-020-0553-6 Global News Team global@hanyang.ac.kr Translation by: Park Gyeong-min

2020-04 28
2020-04 28 Important News
2020-04 28

[Academics]Professor Kim Do-hwan and His Research Team Develop Ultra-sensitive Iontronic Graphene Tactile Sensors with Ionic Liquid Droplets

Professor Kim Do-hwan’s research team, from Hanyang University’s Department of Chemical Engineering, announced on the 20th that he and Professor Lee Wi-hyoung’s research team, from Konkuk University, developed flexible and transparent iontronic graphene tactile sensors (i-GTS) with superior sensitivity, using the dynamic characteristics of liquid droplets. ▲The following is the mechanism proposed for this study of tactile sensors. A model diagram that senses pressure from changes in capacitance as ionic liquids fixed on the graphene grid comes into contact with the upper graphene electrodes. As wearable sensors have started to become more popular, the need for smart interface technology that can recognize users’ surroundings in real-time, along with electronic skin technology has become more crucial than ever. The most important technology for electronic skins is a tactile sensor technology that has sensitive recognition techniques even under minute pressure. Both research teams took advantage of the phenomenon where ionic liquid was fixed between the two graphene grid layers, and the upper electrodes made of graphene spread in contact with the ionic liquid. Through this, the research team was able to develop an iontronic graphene tactile sensor that is highly sensitive to even the finest touch. Their discovery is highly anticipated, as tactile sensors are manufactured with large-area integrated arrays, they have the advantage of creating less confusion between the devices, which is expected to minimize touch errors. It is expected that the iontronic graphene tactile sensors developed in this study will be applied to various fields, such as flexible displays and healthcare devices, as they have excellent sensitivity sensors and fast recovery speed. The graphene electrodes/active ionic liquid layers are transparent and flexible, so it is expected for them to be used as wearable graphene tactile sensors that can give various visual effects and body adhesion. This study, by Professor Kim Do-hwan (Hanyang University, Corresponding author), Kim Joo-sung, a Ph.D. candidate (Hanyang University, Lead author), Professor Lee Wi-hyoung (Konkuk University, Corresponding author), Researcher Lee Seung-chul (Konkuk University, Lead author, Ph.D. graduate, Researcher for LG Display), received grants from the Ministry of Science and ICT’s Global Frontier Research Program (Center for Advanced Soft Electronics) and from the Basic Science Research Program of the National Research Foundation of Korea. Additionally, this study first demonstrated a paradigm that a graphene tactile sensor can be developed with fast recovery speed using the dynamic characteristics of liquid droplets, and in recognition of its excellence in research, this study was chosen as a cover thesis for the April issue of Advanced Functional Materials (IF = 15.621)’, a leading international academic journal for the field of materials. Global News Team global@hanyang.ac.kr Translation by: Lee Jung-joo

2020-04 14
2020-04 14
2020-04 07
2020-04 07 Important News
2020-03 26

[Academics]Hanyang University Professor Kim Jong-Ho, Developed a Nanocatalyst that Enhances the Performance of Metal-Air Batteries

Professor Kim Jong-ho Hanyang University announced on March 26th that Professor Kim Jong-ho's team in the Department of Materials Science and Chemical Engineering of Hanyang University ERICA campus has developed a new nanocatalyst that enhances the performance of metal-air batteries. A "metal-air battery" is a next-generation battery that is charged and discharged through oxygen in the air, which has bigger energy storage, a lower price, and no possibility of explosion compared to the Lithium-ion batteries, and therefore is attracting the attention of the electric vehicle industry. The performance of a metal-air battery that can be charged and discharged is determined by the oxygen's oxidation and deoxidation rate of reaction happening within the cathode. Up until now, expensive catalysts such as platinum (Pt) and ruthenium (Ru) have been used to catalyze the oxidation and deoxidation of the oxygen. However, these catalysts had the problem of reducing the lifespan of the battery, due to its high price and low stability. For this reason, the need for a carbon catalyst with a low price and great performance has been understood. Professor Kim's team coined the "Solvothermal Radical Synthesis," solving the problem through delicately adjusting the nanostructure and vitality of the carbon catalyst. Professor Kim's team attached cobalt atoms or cobalt nanoparticles to porous carbon nanostructures, in order to adjust the interaction between organic-inorganic molecules and precisely control the structure and vitality of the catalyst, thereby enhancing the performance and stability of the catalysts. The metal-air battery produced through the use of this carbon-nanocatalyst has a 30% lower price than the original catalyst, which maintains its stabilized performance above 100%, even after its long charging and discharging. Professor Kim mentioned that "when the carbon-nanocatalyst with a cheap price and high performance is applied to metal-air batteries, it will remarkably reduce the unit cost of electric vehicles," and added, "This research provides a new method to develop a next-generation nanocatalyst material with precisely adjusted structure and performance through molecular controlling." This research was supported by the National Research Foundation of Korea and was conducted with Professor Lee Sang-uck's team from Hanyang University ERICA Departement of Chemical and Molecular Engineering, and the result of the research (Paper Title: Molecular engineering of nanostructures and activities on bifunctional oxygen electrocatalysts for Zinc-air batteries) that was published online on one of the top internationally renowned academic journals within the field of chemical and environmental engineering, Applied Catalysis B: Environmental, on March 9th. ▲ Synthesis of carbon-based nanocatalyst through effective molecule control <Reference> Related paper: 2020_3_Molecular engineering of nanostructures and activities on bifunctional oxygen electrocatalysts for Zinc-air batteries 『Applied Catalysis B: Environmental』 Global News Team Translated by: Lee Wonyoung global@hanyang.ac.kr

2020-03 09

[Academics]Professor Shin Hyun-goo Publishes a Research Paper on ‘Targeted Temperature Management for Post-Cardiac Arrest Patients’

▲ Professor Shin Hyun-goo Professor Shin Hyun-goo, and his team of professors from the Hanyang University Hospital, Guri branch, stated that they have successfully published a paper on targeted temperature management for post-cardiac arrest patients on the March edition of the ‘Resuscitation’ journal on March 4th. The research results were published under the title, “Efficacy of the cooling method for targeted temperature management in post-cardiac arrest patients: A systematic review and meta-analysis,” and his studies suggested that when implementing targeted temperature management treatment for patients who successfully recovered from a spontaneous circulation after cardiac arrest, the body surface cooling method and the blood vessel cooling method did not show much difference between the survival rate of the patients and other positive neurological outcomes. Professor Shin stated that, “It is still difficult to decide which method is superior when trying to undergo targeted temperature management, whether it is the body surface cooling method, or the blood vessel cooling method,” and that “the proper method must be chosen according to the patient’s medical conditions, and what is financially efficient for him/her.” He also added that there is a “need to an additional randomized controlled study in a large scale.” Meanwhile, Professor Shin Hyun-goo graduated from Hanyang University’s College of Medicine, and also received his doctoral degree from the same university. He is currently working as an assistant professor at the Department of Emergency Medicine in Hanyang University Hospital, Guri Branch. He is currently active in the medical field as a member of The Korean Society of Emergency Medicine and the Korean Council of EMS Physicians, is also an advanced cardiac life support instructor at the American Heart Association, an advanced resuscitation instructor of Korea at the Korean Association of Cardiopulmonary Resuscitations and a specialized instructor for trauma treatment in Korea. Global News Team global@hanyang.ac.kr

2020-03 02

[Academics]Professor Jang Jae-young Developed Thermoelectric Material with Possible Use for Energy Source for Wearable Electronics

Hanyang University Professor Jang Jae-young (36·Photo) of the Department of Energy Engineering and his team recently developed a stretchable organic thermoelectric material that has a self-healable characteristic. Thermoelectric material is a material that converts heat energy into electric energy using temperature difference, that has been so far using materials based on metal or ceramics. When the research outcome created by Professor Jang's team is commercialized, which was introduced on the cover of Advanced Functional Materials, one of the world's most renowned papers on materials academics, it will allow the wearable electronics to recharge the battery by only using the body temperature, expecting a great increase in its hours of usage. Professor Jang Jae-young Professor Jeong Yong-jin There have been active researches being done on high polymer-based thermoelectric materials, which has better flexibility than metal-based materials with difficulties on modifications. However, due to the drawback that an organic material with a soft property of matter can easily lose the characteristic of thermoelectricity when under a physical collision, researchers were having a hard time commercializing the results. Accordingly, to utilize the source throughout a wider area than the energy source of wearable devices, the need for the development of new organic thermoelement was raised, which has flexibility, elasticity and also can self-heal the cracks created through outside impacts. To solve this problem, Professor Jang's research team used functional organic material and provided material design and manufacturing process strategy at the same time, leading to the development of a material showing the best thermoelectricity. The team went through successful doping of conjugated polymer in a form of nano-wire and showed its thermoelectrical characteristic, while also embedding this to thermoplastic elastomer matrix and developing a thermoelectricity material with both a complex form of elasticity and self-healable characteristics. The developed material features great thermal conversion property on low-temperature and small temperature differences, keeping its stable self-healable ability throughout outside impacts such as scratches or cracks. The significance of the research lies in the fact that it has confirmed the possibility of utilization of organic high polymer-based thermoelectricity material as an energy source of wearable devices. Professor Jang mentioned that "this thermoelectricity material will be a great help to the development and commercialization of future electric materials such as electric skin and wearable smart devices," he also added, "the specific technology is also expected to be used throughout the next-generation energy harvesting related field." The research was conducted under the Ministry of Education(Basic Research Support Program-SGER) with support from the National Research Foundation of Korea, co-working with Professor Jeong Yong-jin of Korea National University of Transporation, School of Chemical and Materials Engineering. ▲ Result of self-healable and stretchable organic thermoelectric materials developed by Professor Jang Jae-young's team ▲ Cover of the world renowned paper on materials academics, Advanced Functional Materials <References> ■ Thesis Title: Self-Healable and Stretchable Organic Thermoelectric Materials: Electrically Percolated Polymer Nanowires Embedded in Thermoplastic Elastomer Matrix ■ Writer Information: Professor Jeong Yong-jin (1st writer, School of Chemical and Materials Engineering, Korea National University of Transportation), Jung Jae-min Doctor Candidate (Hanyang University), Suh Eui-hyun Doctor Candidate (Hanyang University), Doctor Yun Dong-jin (Samsung Advanced Institue of Technology), Oh Jong-gyu Doctor Candidate (Hanyang University), Professor Jang Jae-young (Communications Writer, Hanyang University) Global News Team global@hanyang.ac.kr