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Department of Political Science & Diplomacy class of '05 alumnus Ahn Hyo-min joins third team of Daewon Theater Voice in the popular game 'League of Legend' Ahn Hyo-moon graduated from the YU Department of Political Science & Diplomacy, and after great efforts, he joined the Daewon Theater in the third team. He is currently active as a voice actor and played the voices of Zenyatta of 'Overwatch' and Remake Warwick of the 'League of Legend'. We met with Ahn Hyo-min and asked him about what efforts he made to become a voice actor and what was life like when he attended YU. We also asked for advice for students who dream of becoming voice actors. Why did you enroll at the YU Department of Political Science & Diplomacy? Up until high school, I had an ambitious dream to change this world. That is why I decided to go to the Department of Political Science & Diplomacy. At the time, this department did not have any hierarchy or other vices. That is why I loved the department so much. While preparing to become a voice actor and because of my ROTC activities, I was not able to participate as much in the department, but it was fun studying in this department as well. How did you prepare for becoming a voice actor while in college? I gained the dream of becoming a voice actor by coincidence in April after enrolling. So in May, I looked for voice acting academies. Most of these academies are in Seoul so it was difficult to find. I finally found a famous voice acting academy in Daegu. I went to the academy and took a test and then started attending this academy. My first problem was fixing my speaking habits. I was born and raised in Daegu so I had a strong Daegu accent. So I asked my teacher what I needed to do to change my accent. My teacher recommended that I go live in Seoul, but if I can't, I should try to speak with people from Seoul as much as possible. So I began online community activities. I talked with other aspiring voice actors that I got along with and went to Seoul once or twice a month. We spoke together and made amateur dubbing and really worked hard on fixing my dialect. I was able to fix my accent in a year and a half. In my senior year, I attended an academy in Seoul. After classes and finishing ROTC training every Monday and Friday, I took the KTX and went straight to Seoul. I spent a year going to classes on Friday night and Saturday and returning to Daegu. What is the most memorial thing that happened while in college? There was something more special than others. When people introduce their selves for presentations, they would usually say, "Hello, I am so-and-so and in so-and-so year," but I would add that I am preparing to become a voice actor. For example, I would say, "Hello I am Ahn Hyo Min at the Department of Political Science & Diplomacy year of '05 and I am an aspiring voice actor," and then I would do a bit of voice acting. At the time, I would imitate the narration of Mureuppak Dosa. By doing so I learned to become bolder. Voice actors have to act with their voice in front of many people so they need to be really bold. I worked hard since my college years to improve this area. You were picked for the third team of the Daewon Broadcasting Voice Actor Theater. What was the process up until passing? They only choose male voice actors who completed their military service, so after being discharged from the military, I spent a month at home resting and then went to Seoul. I attended an academy in Seoul. I completed the voice actor course at the KBS Academy and received training from Mrs. Jung Mi-sook, who was the voice actor for Nami in the animation <One Piece>. In addition, I managed an online internet cafe on Naver called Voice Maru for seven years and interacted with many people and held study sessions. I was finally able to pass after a long time of preparation. According to one media, it said that acting Remake Warwick in the game 'League of Legend' is one of the three hardest characters. Why is that so? It takes a lot physically. Remake Warwick is a crazy wolf character and requires a really rough voice. It was had having to yell a lot. Monsters and villains are usually big in size so the voice also has to be loud. So it took a lot on the throat, and when recording continuously, it put my throat in poor condition. How did you get to play the hero Zenyatta in 'Overwatch'? Blizzard picked me. It was not cast by application, and instead Blizzard would look at various works and chose the voice actors. That is how I got to play Zenyatta. What did you like the most about Zenyatta? Zenyatta is a robot monk warrior that transcended everything. I usually played roles of hurting and bothering nice characters and yelling all the time. On the other hand, Zenyatta was really new to me. It was a first time for me. I really love Zenyatta as a player of Overwatch. What efforts are needed as a voice actor? You need to identify the character and tone of your character. You should analyze it and then make efforts to maximize it. If you play the voice of a character, you should analyze that character's background, behavior, personality and its relationship with other characters. Such efforts include watching animations, movies and books in which similar characters appear. And always practicing speech is absolutely essential. Lastly, do you have any tips that you would like to give to aspiring voice actors? You need to do a lot of imitation. Some people say that imitating is the short-cut for gaining bad habits. But I do not agree. You need to imitate others a lot to improve. You need to see a lot, imitate a lot, and practice a lot. You can thus create your own database through this. As people who used writing practice notebooks as children may know, there are dotted lines or shadowed areas to trace across to write letters. You need to have a model to be able to look and follow. Without that, it will be difficult to be able to understand characters.
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School of Mechanical Engineering Club ‘YUSAE’ wins 'overall best' repeatedly in large-scale contests such as in Gunsan Continuously participated in domestic and foreign contests such as in the US, England and Japan to gain experience since 2000 Established College of Mechanical and IT Engineering and the Department of Automotive Engineering in preparation of the 4th industrial revolution [August 22, 2017] <The YU self-made automobile club 'YUSAE' who won the ‘2017 KSAE College Student Self-Made Automobile Contest’> The YU School of Mechanical Engineering and the Department of Automotive Engineering's self-made automobile club 'YUSAE' team swept large-scale college self-made automobile contests this year. The YU YUSAE team won the grand prix at the '2017 KSAE College Student Self-Made Automobile Contest' that recently ended at the Saemangeum Gunsan Automobile Race Track. The YUSAE team took first place in the BAJA section joined by a total of 103 teams and won the Minister of Trade, Industry and Energy Award, a cash prize of 5 million won, and the winner's flag. The YUSAE team received high scores in various areas such as automobile test, auto-cross, endurance etc. In particular, in the last endurance race, it caught up 100 meters in the final lap of 35 laps to Hanbat University, and passed the finish line, creating the highlight of this event. The YUSAE team also showed unparalleled performance at the '2017 PRIME Baja SAE' at YU last month taking first place, making this second overall victory. This is the first time for an automobile designed and produced by the same university to win two large-scale college student self-made automobile contests in the same year. <'YUSAE' in an endurance race at the ‘2017 KSAE College Student Self-made Automobile Contest’> Cha Joon-ho (25, School of Mechanical Engineering, senior) of the YUSAE team said, "Team members shared opinions for ech part such as suspension, engine and frame in the automobile design stage and cooperated to make perfect designs. In the production stage, we minimize the range of error with the design to produce the automobile, which I think led to the great results." YUSAE, which was the first team in Korea to participate in the US Baja Contest in 2000, participated in the US Baja 14 times and also participated in the Formula contest of England, Japan and Australia, and the 'Shell Low Fuel Consumption Contest' of Malaysia to enhance their capacities in various domestic and foreign self-made automobile contests. The YUSAE team took three overall wins and second place one time in the past four years at the 'Baja SAE KOREA', and also took the gold medal at the '2016 KSAE Formula Contest', thereby solidifying its position as one of the strongest teams for self-made automobile contests for college students. <'YUSAE' that took overall first place at the ‘2017 Baja SAE KOREA’> Such achievements were not made overnight. This was the fruit of the ceaseless efforts of professors and students. YU ewas the first to host the Baja SAE in Korea in 1996. Professors worked hard to be able to host the international event and won sponsorships from automobile companies, and has thus successfully held the Baja SAE successfully for the 22nd year. Students have operated the self-made automobile club since 1992 to improve their practical capacities by producing automobiles based on the theories they learned in their regular courses. It is expected that the potentials of YU professors and students in the Department of Automotive Engineering will gain a synergy effect by linking up with the Ministry of Education's 'Program for Industrial Needs - Matched Education (PRIME)' being pursued by YU. YU separated the majors of electric, electronics, computer, information communication, and mechanical in its college of engineering in the past to establish the 'College of Mechanical and IT Engineering', and also established the Department of Automotive Engineering in this college and accepted its first freshmen class. Accordingly, it is expected that it will lead the fostering of human resources and develop the future-oriented automobile industry such as self-driving vehicles and electric vehicles, which were pointed out as prospective industries that will create future industrial value. <Car parade of the '2017 Baja SAE Korea' held at YU> YU Department of Automotive Engineering Dean Hwang Pyeong said, "Simply making a department does not give competitiveness. Hosting the international self-made automobile contests for 22 years and concentrating on the fostering of clubs over a long period of time so that students can assertively learn is the knowhow of YU. No university will be able to catch up in a short period of time." He added, "By operating the department together with the Ministry of Education's PRIME program from last year, it is expected that there will be more active industry-academic cooperation as well."
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Chair Professor Jang Hyun-wook (College of Pharmacy) becomes first to explain the allergy suppression mechanism of the longevity gene ‘Sirt1’ Published on online version of Nature's sister journal ‘Scientific Report’ [August 8, 2017] YU Chair Professor Jang Hyun-wook (College of Pharmacy) became the first to explain that the 'Sirt1' gene, which is also known as the longevity gene, suppresses allergic reactions. In 2013 and 2014, Professor Jang scientifically revealed that by artificially activating 'AMPK (AMP-activated protein kinase)', which is a sensor protein to maintain the homeostasis of body energy, it is possible to not only treat metabolism-related diseases such as type 2 diabetes, but also allergy-related diseases as well. The research results at the time received huge attention from academic circles in that is provided the cornerstone for developing new drugs that can treat metabolism-related diseases and allergy-related diseases simultaneously. Upon continuously conducting allergic reaction adjustment research through the interaction of proteins within cells, Professor Jang confirmed through his research that 'Sirt1' suppresses allergic reactions. 'Sirt1' is a protein that detects changes in bio energy like 'AMPK' and it is an enzyme with deacetylation activation. 'Sirt1' is known to have effects for extending longevity by suppressing the death of old cells. Its suppression of calories reduce the risk of chronic diseases, and it is known to be one of the best ways to prolong life. Its effects have been proven time and again in various life forms through scientific experiments. The core adjusting factor for this is the 'Sirt1' gene. Professor Jang said, "'Mast cell', which is a key cell that causes allergic reactions, suppresses the activation of obesity cells by having 'Sirt1' form a compound with 'LKB1' and 'AMPK' when there are no antigen-antibody stimulation. However, dissociation occurs in this compound when stimulated, and instead, the dephosphorylation enzyme 'PTP1B' forms a compound with 'Syk kinase' to generate mediators that cause allergies to promote allergic reactions, which was confirmed through this research." He also added, "Through this process, it was confirmed for the first time through cell and animal tests that 'Sirt1' and 'PTP1B' can adjust allergic reactions through mutual reverse action." The results of this study are significant in that it provided important base data that pharmacologically 'Sirt1 activation' or 'PTP1B suppression' can be used for developing new medicine that improve not only allergic diseases but also metabolism-related diseases. Professor Jang announced his future research plans stating, "In addition to the Sirt1, which is the adjusting protein of AMPK, I will continue research on allergic reaction adjustment mechanism research through interaction with new adjusting proteins and research on finding ‘Sirt1-LKB1-AMPK’ route activators." This study was carried out as the 'basic research lab support project (BRL)' supported by the Ministry of Science, ICT and Future Planning and the National Research Foundation. The research results were published in the sister journal of Nature, 'Scientific Reports' online version (July 25, 2017).
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Three bachelors/masters at Professor Koh Young-gun's research lab Swept '1st, 2nd and 3rd place in the poster awards' at the 'APSMR-2017' international academic conference in the materials sector Research power synergy effects through sharing and collaboration in research among undergraduate and graduate school students [August 16, 2017] <YU School of Materials Science and Engineering students who swept first, second and third place in the best poster awards at the ‘2017 APSMR’> (From left to right: Min Ji-hoon, Mahendradhany, Joo Yong-hwan) YU students swept the thesis awards at a recently opened international academic conference in the materials sector. At the '2017 APSMR (Asia Pacific Society for Materials Research)' held from July 27 to 30, YU School of Materials Science and Engineering undergraduate and graduate school students under the YU School of Materials Science and Engineering Professor Koh Young-gun (41) research lab took home first, second and third places in the best poster awards section. It is very rare for students from the same research lab to sweep first, second and third places in a globally acclaimed international academic conference. This shows that the research prowess of the YU School of Materials Science and Engineering is at a world-class level. At this international academic conference, over 200 researchers from Japan, China, Taiwan, etc. participated to present 120 research results. Mahendradhany Agasty (24, second term of master's degree program) enrolled at the YU Graduate School of Materials Science and Engineering) took first place, followed by Min Ji-hoon (26, first term of master's degree program) for second, and Joo Yong-hwan (25) who is currently a senior for third place. They presented the latest research results for 'giga steel heat treating technologies', 'bio-activating surface treating technologies', and 'light metal plastic working technologies'. The research results were published in the internationally respected academic journals 'Scientific Reports;, Physical Chemistry Chemical Physics, and Langmuir. Advising Professor Koh Young-gun said, "The awards received were achieved based on the materials application technologies of heat treating, surface treating and plastic working, which is the backbone for the competitiveness of next-generation automobile materials industries." He added, "The technologies are highly applicable for the automobile materials industry, which is a key industry in the region, and can thus contribute in creating high values through materials innovations." Min Ji-hoon, who was awarded at this conference, also took first place in the poster session of the 'IPMC 2016 (International Process Metallurgy Conference 2016)', which is an international academic conference in the metals field held in Bandung, Indonesia last year while he was a senior as an undergraduate. 'IPMC' is an event where master's and PhD-level researchers from around the world present their research results, and Mr. Min thus received huge attention after taking first place as an undergraduate. Min Ji-hoon said, "Our research lab's culture is one of cooperating and sharing research from undergraduate levels to graduate levels. Focusing on research with our professor and graduate school students ever since my undergraduate school years led to improved research capacities and great outcomes." <School of Materials Science and Engineering Professor Koh Young-gun (fourth from top left) research lab students> Meanwhile, Professor Koh's research team has been cultivating award-winners of various international academic conferences such as the poster awards at 'Green 2015' in Taiwan, poster session award at the 'IPMC 2016' held in Indonesia, and the outstanding poster presentation award at the 'Korean Institute of Metals and Materials' in the past two years.
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Professors Byun Jung-hoon (Mechanical Engineering)-Kim Jong-oh and Yong Cheol-soon (Pharmacology) reaps outcome of inter-disciplinary convergence research First to develop 'aerosol continuous process', which is a new technology that can be applied to the manufacturing of multi-functional nan-drugs Published in the latest issue of Nature's sister journal 'NPG Asia Materials' [August 17, 2017] <YU research team that developed new technologies for manufacturing drugs through inter-disciplinary (mechanical engineering-pharmacology) integrated research> (From left to right: College of Pharmacy Professor Kim Jong-oh, School of Mechanical Engineering Byun Jung-hoon, College of Pharmacy Yong Cheol-soon, bottom - aerosol continuous process device) YU is receiving attention from academic circles by developing new drug manufacturing technologies through inter-disciplinary (mechanical engineering-pharmacology) integrated research. YU School of Mechanical Engineering Professor Byun Jung-hoon (38) and College of Pharmacy Professors Kim Jong-oh (42) and Yong Cheol-soon (61) conducted collaborative research and became the first to develop the continue process of aerosol (small solid or liquid particles suspended in the air) to manufacture nano-drugs in an on-demand method (manufacturing necessary materials upon the need of users). The YU research team presented the research results of using the developed aerosol continuous process to manufacture nano-drugs (hybrid nano graphene oxide) needed for near infrared ray-induced heated chemotherapy for effective cancer treatment. The research team explained, "The developed technology is a new platform technology that can be applied in a wide range of various multi-functional nano-drug manufacturing," and added, "It can be used as an alternative to the existing complex liquid chemical process, and therefore, it can be applied as a new process technology in the pharmaceutical industry, and furthermore, be applied for customized treatment based on the on-demand method." The research results were published in the latest edition (August 4, 2017) of the world-acclaimed academic journal <NPG Asia Materials> (Impact factor (IF) 9.157) under the title 'Easy on-demand self-assembly of lateral nanodimensional hybrid graphene oxide flakes for near-infrared-induced chemothermal therapy’. Professor Byun Jung-hoon said, "The achievement of this study was the development of platform technologies that can create new additional values for the industry as a joint research combining mechanical engineering and pharmacology." He added, "We are currently concentrating on cooperative research with research teams in the pharmacology sector in order to provide the cornerstone for research and to create values through various bio-medical applications of aerosol. In addition to collaborative research within Korea, we are also engaged in international joint research with the US, Germany and others."
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Praised for identifying the point of the controversy and high comprehension level and rational defense for the logic of both sides Kang Chang-oh (9th class) won MVP with the best defense plead "I wish to realize legalism and manifest national interests as an attorney" [August 21, 2017] <'Wonyung Muae' team of YU Law School that won the grand prize at the '2nd Mock Administrative Court Contest> (From left to right: Jang Jae-ik, Kang Chang-oh, Jung Gi-yeon, Ji Ja-ram, Jin Hyeong-wook, Baek Chang-ho) The YU Law School (Dean Kim Chang-hee) won the grand prize at the recently held mock administrative court contest. The winning team was the 'Wonyung Muae' team comprised of first-year law school students of the 9th class - Kang Chang-oh (41), Baek Chang-ho (37), Jung Gi-yeon (34), Jang Jae-ik (31), Jin Hyeong-wook (33), and Ji Ja-ram (31). Kang Chang-oh also received the MVP award given to the most outstanding participant in the contest. This was the second time that this contest was held and it was hosted by the Anti-Corruption and Civil Rights Commission and co-sponsored by the Korean Bar Association, Korea Legal Aid Corporation, Korean Association of Law Schools, and the Law Times. In this contest, which was comprised of preliminary reviews of the trial outline and the main mock administrative court contest, a total of 112 people from 16 teams from 13 law schools around the nation competed. After preliminary reviews, a total of eight teams from seven law schools including YU, Korea University, Seoul National University and Sungkyunkwan University competed in the final contest. The theme of the final contest held at the courtroom of the Sejong Central Administrative Judgment Commission on the 20th of last month was the 'Appeal to Retract Suspension of Doctor Licenses'. The participants randomly picked to defend the 'consulting' team to accept that appeal of the claimant to support them and the 'dismissal team' that judged the administrative disposition to be lawful and feasible. The two sides debated fiercely over the issue. The YU team made their defense for 'dismissal' in both trials against other teams. All of the team members received good reviews from judges due to their high level of comprehension on the issues without being geared too much to one side, as well as the logic for both sides, and made their defense in a rational manner. In particular, the YU Law School stood out even more as they participated with the least number of team members at six people. The team members said, "It helped a lot to not lean towards any single logic of consulting and dismissal, while being sufficiently prepared for the issue and taking on a rational approach for both logics." The added, "All of the team members had deep understanding for the legal principles for both dismissal and consulting, and we changed roles and held numerous rehearsals, making it possible for us to react logically regardless of whether we were on the side of dismissal or consulting during the contest." Kang Chang-oh, who won the MVP at this contest said, "During the contest, I realized that there is a big difference in writing what I learned in textbooks with expressing it in words by applying it in the field. During the process of making the defense by applying it in the field, I thought about carefully the positions of the opposing sides and made my approach carefully, making it possible to perceive the issue with a balanced and rational perspective without leaning too much to any single side." He added, "With this award that I did not expect, I have become a lot more confident as well. I believe that this short experience will be a valuable asset for me in the future as a lawyer." They said, "While we are still lacking in skills as future lawyers, Dean Kim Chang-hee and Former Dean Keum Tae-hwan, as well as the other law school professors' advice and encouragement were huge help. In particular, the professors of administrative law helped us with writing our paper and preparing our defense, and their help is what led us to receive this award." They added, "Our team name 'Wonyung Muae' is a Buddhist terminology and it means 'coming together to make harmony'. While we expressed opinions from different angles and made legal arguments in court, we would like to contribute in creating harmony with the common goal of realizing legalism and promoting national interests."
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Selected 29 students from 16 universities in Korea and abroad such as New York University to be dispatched to the UN Headquarters in New York in August Three YU students selected, thus receiving recognition for global capacities "Want to discuss international issues with experts and working-level staff of different countries to gain experience in international activities" [July 25, 2017] <YU student selected as Korean college student representatives to the UN Headquarters in New York> (from left to right: Yoon Soo-hyun, Jung Si-young, Heo Dong-hwa) Three YU students will be dispatched to the UN headquarters as Korea college student representatives. The World Federation of United Nations Associations selected the 'UN Headquarters Korean College Student Representatives' and will dispatch them to the UN Headquarters from August 21 to 25. Three YU students were included in the 'UN Headquarters Korean College Student Representatives'. The YU students are Jung Si-young (25, College of Pharmacy, junior), Yoon Soo-hyun (24, Department of Cultural Anthropology, senior), and Heo Dong-hwa (23, Department of Saemaul Studies and International Development). A total of 29 college students from 16 universities in Korea and abroad such as New York University, Columbia University, Furman University, Korea University, Yonsei University and Hanyang University were selected. Heo Dong-hwa, who majors in Saemaul Studies and International Development said, "I want to utilize my major and after graduating, work with a non-profit institute or international organization engaged in ODA. I am very excited about this opportunity to go to the UN Headquarters." He added, "I have been interested in the health and medical field ever since I was in high school in the United States. During my visit to the UN Headquarters, I hope to speak with many hands-on workers on the duties and assignments of various fields. Furthermore, I want to come back with a lot of information such as whether it fits the career path I am looking for." The representatives are scheduled to group up into teams based on themes such as urban development and sustainable development to collect data and make presentations, and share their opinions with local hands-on workers at the UN Headquarters. Yoon Soo-hyun stated, "I visited the UN Headquarters during my six month language program in New York. I am preparing a lot despite the fact that it will be short because this is not just a trip or visit, but I am an official representative." She added, "As this is an opportunity to actually experience what happens at international organizations while meeting with people from around the world including UN workers, I will make a lot of preparations and learn as much as possible." The representatives will learn and experience 'UN's various and specialized structure', 'major agendas', and 'overall understanding and critical thinking on multi-party decision-making procedures' under the theme of 'UN Sustainable Development Goals' that will be the development index of the entire world by 2030, and are anticipated to train their capacities to gain a foothold for international activities. Jung Si-young, who is also preparing for as a member of the representatives, said, "I applied to join the representatives because I wanted to experience in person what exactly the UN, which is a highly known international organization, does. I feel that my English is not as good as the rest of the representatives so I am concentrating on studying English for now." She added, "I have high expectations as the majors of the other students are diverse and because I will be able to meet with workers from various countries at the UN Headquarters in New York. I hope that I will be able to speak about various international issues with them, hold discussions, and learn and experience the perspectives of various people."
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Pledged to gather capacities of the two institutes to improve education, research and academic exchange for departments related to automobiles Goal to foster talented human resources for the future automobile engineering sector [July 21, 2017] The YU Department of Automotive Engineering and Vietnam's Ho Chi Minh City University of Technology and Education Department of Automobile and Energy Engineering agreed to work together to foster talented human resources in the automobile engineering sector. On the 20th, YU Department of Automotive Engineering Dean Hwang Pyeong (right on photo) visited the HCMC University of Technology and Education in Vietnam and met with the university president Do Van Dzung and Department of Automobile and Energy Engineering Huynh Phuoc Son (right on photo) to sign an MOU. With this agreement, the two universities agreed to work together to seek for cooperation plans according to joint research, cyber lectures, the Asian University Network's engineering certification program, and the Accreditation Board for Engineering Education of Korea (ABEEK) program, for student and professor exchange and exchange systems for fostering human resources in the future automobile engineering sector. YU Department of Automotive Engineering Dean Hwang Pyeong said, "Professors who earned their degrees at YU and gained technological and research capacities in Korea are currently fostering students at the HCMC University of Technology and Education, and it is therefore expected that there will be synergy effects for fostering specialists in automobile engineering." There are currently three professors who earned their PhDs at the YU Graduate School of Mechanical Engineering at HCMC University of Technology and Education. Two of them are vice-deans and one is the dean, thus showing that they hold key positions at this university. They are currently passing on their knowledge and experience in engineering that they picked up at YU and Korea for young talents in Vietnam. HCMC University of Technology and Education President Do Van Dzung who was also present at the MOU signing ceremony said, "I hope that in addition to cooperation and exchange in the automobile engineering sector, we can have a more comprehensive MOU for various other academic fields." The HCMC University of Technology and Education was founded in 1962 and is a public university with 20,000 students. Thanks to the development of Vietnam and its rapid growth, the employment rate of graduating students is approximately 98%, and its educational performance has thus been recognized. The main facilities of the university were built with the support of Australia, Japan, Germany, Australia, etc., and it is currently receiving support from 'USAid', which is an American government institute in charge of foreign aid of the US. At the MOU signing ceremony held at the HCMC University of Technology and Education in Vietnam, YU School of Mechanical Engineering Professor Kim Byung-il explained the 'Development of the Korean Automobile Industry and NVH (Noise, Vibration, Harshness) Research', and received huge responses. Vietnamese students asked many questions about Korea's automobile industry and technologies, and about studying at YU.
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Developed 'high performance flexible/transparent patch-type optical sensor' using carbon nano-materials and organic matter Published as cover paper for the latest issue of 'Small', a global academic journal in the nano-material sector Expected to be used as an 'advanced electronic device for the health and cosmetic sector' that can be attached to the human body [August 7, 2017] YU School of Mechanical Engineering Professor Choi Jung-wook (33, photo) is receiving attention from the academic circles for developing a high performance patch-type optical sensor. Optical sensors are elements that convert light into electric signals. It is used for measuring physical quantity such as the wavelengths and intensity of light, but also in a variety of other fields such as information processing, optical communication, and the medical field. There has recently been many studies being conducted to develop flexible optical sensors with the development of flexible electronic devices. However, electrodes, which are major elements that comprise sensors, are comprised of opaque or easily broken materials such as metals or indium oxides and therefore have limitations in being used for actual flexible sensors. The research team used carbon nano-materials and organic materials that react sensitively to light to develop patch-type optical sensors with excellent flexibility, elasticity and transparency. The results of this study, which was carried out as a joint research with the Yonsei University Professor Kim Jong-baek's team was published as the cover paper (see cover below) of the latest issue (Jul 19, 2017) of the world-acclaimed academic journal <Small> (impact factor (IF) 8.643). Professor Choi said, "As a substance in charge of photosynthesis for plants and 'carbon nano-materials', which is a new material that has recently received huge attention, this is the first case to develop highly sensitive optical sensors that are transparent and elastic by creating an integrated structure of porphyrin that generates electric signals by reacting to light." The research team created a transparent and elastic optical sensor that uses graphene as the electrodes in carbon nanotube channels that can act as semiconductors. Carbon nanotubes and graphene are substances made up only of carbon. In addition to the very small size at nano-meter units and its excellent intensity, it has outstanding physical and chemical properties, and therefore, research on developing highly flexible electronic devices using these are actively under way. However, carbon nano-materials have extremely low light reaction, making it difficult for use as an optical sensor. Professor Choi said, "Porphyrin was functionally treated on the carbon nanotube to overcome the low light reactivity of carbon nano-materials. Accordingly, it was possible to change the electric characteristics of carbon nanotubes and detect the intensity of light. The sensors developed here are comprised of only elements that are transparent and has very small changes in properties due to mechanical changes, and it was thus confirmed that it was possible to measure light without reduced performance even after repeated bending." Professor Choi said, "It is expected that the development of patch-type wearable devices that are attached on the human body will become more active in the near future. The optical sensor developed by us is very thin and transparent. The weight and volume was reduced greatly and so it is easy to attach on the skin." He added, "It can not only be used as an advanced electronic device in the health and cosmetic sector, but will also be able to bring forward the distribution of practical elements based on carbon nano materials." Professor Choi earned his PhD in mechanical engineering at Yonsei University and completed his post-doctorates at Purdue University in the United States and began serving as a professor at YU from 2016. His main field of research is the micro electro-mechanical systems and he mainly focuses on research in ultra-small energy conversion elements and wearable electronic devices using nano-materials, as well as sensors and nano-compound materials.
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56 in first basic training for the summer of 2017, 3rd place in the 110 ROTCs nationwide Since the establishment of the YU ROTC in 1968, a total of 5,147 officers from 56 classes Opened Department of Military Studies through an MOU with the Army in 2011, offering four year scholarship and guarantee to become officer [August 1, 2017] <YU ROTC cadets participating in the 1st summer basic training of 2017> The YU ROTC (Director Colonel Lee Joo-hwan) is exhibiting outstanding capacities in the ROTC cadet summer basic training that began during the summer break. Basic training is a military education received for a total of 12 weeks (2 weeks in the winter and 2 weeks in the summer for juniors and seniors) where ROTC cadets enter the ROTC school during summer and winter breaks based on the knowledge they learned in school. In the 1st summer basic training of 2017 conducted at the ROTC School located in Gwesan, Chungbuk with the start of summer break on June 26, a total of 56 ROTC cadets including Cadet Song Geun-seong (22, Business Administration, senior) joined. At the first training up until July 21, the YU ROTC was selected as the 'overall best ROTC'. 'Best overall ROTC' is given to the top three corps among the 110 ROTCs around the nation (52 colonel-level ROTC). Together with YU, Seoul National University and Ulsan National University were also selected as overall best ROTCs. YU President Sur Gil-soo said, "I believe that their diligence in their studies during the semester led to such great outcomes at the basic training. I am proud as the president of the university." He added, "I trust that as the cadets did not rest during vacation and worked harder than everyone else, they will become excellent officers who lead by example and exhibit patriotism after they are commissioned." The YU ROTC also had award winners in basic military education courses per service sector such as the Infantry School among the cadets that were commissioned this year. Among the 62 cadets of the 55th YU class commissioned in 2017, seven won awards at the Infantry School, Armor School and Field Artillery School, thus exhibiting their exceptional combat readiness. In 1968, YU integrated and launched the '121st ROTC'. A total of 5,147 from 56 classes were commissioned as officers, and there are currently 114 people (including six female cadets) enrolled as ROTC cadets. In 2010, it was selected as the pilot school for female ROTC and has up until now graduated 27 female officers. In March 2011, it opened the first Department of Military Studies in the Daegu-Gyeongbuk region through an MOU with the Army. The quota per grade is 40 and all students are given military scholarships from the Army and are exempted for four years of tuition. They are guaranteed to be commissioned as officers upon graduation.
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