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2020 Ajou Valley Festa: ONtact, an event celebrating the achievements of Ajou’s industrial-academic cooperation projects, was held amid much interest and success. The event, held this year in the Ajou Valley Festa Online Pavilion December 7 through 11 due to the pandemic, drew more than 3,000 participants.2020 Ajou Valley Festa, co-sponsored by the Ministry of Education and the National Research Foundation of Korea and organized by Ajou’s LINC+ Project Group, Start-up Support Foundation, and Center for University Education Innovation, advertised and celebrated the outstanding achievements of the university’s industrial-academic cooperation projects over the past year.The event featured a wide variety of activities and programs for the participation and enjoyment of students and faculty members, partner businesses, and the local community, including: an exhibition of award-winning and lauded products of industrial-academic cooperation; an exhibition of the works of the Industrial Cooperation Centers (ICCs) and Regional Cooperation Centers (RCCs); free legal counseling, policy advice, and patent and management support for affiliated businesses; seminars on the impact of the Fourth Industrial Revolution on businesses and local communities; meditation sessions and humanities lectures encouraging reflection amid COVID-19; and online votes on products on exhibitions. All activities and programs were in an online to promote contactless participation.The event ended on the afternoon of December 11 with the 2020 Ajou Valley Awards: Connecting Stars Ceremony, which involved handing out awards to organizations, businesses, faculty and staff that have been active in industrial-academic training, cooperation projects, and community engagement this year. There were also awards for the University’s departments that have facilitated industrial-academic cooperation by taking active measures to contain the spread of COVID-19.The Industrial-Academic Cooperation Awards for Students was also held to commend the achievements of students who have excelled in field practice, capstone design projects, entrepreneurial training, and industrial-academic cooperation training. Both the demonstrations of award-winning works and awards ceremonies were live-streamed online, with the audience attending the ceremonies via a video-conference platform.The awards ceremony for students also featured the 2020 Cross Plus Review Contest, hosted by Cross Plus, a council of the seven universities participating in the Leaders in Industry-University Cooperation (LINC) Plus Project (Ajou University, Gangneung-Wonju National University, Keimyung University, University of Ulsan, Jeju National University, Korea National University of Transportation, and Honam University). The grand prize for the best review went to Yeom Seong-woo, a management major at Ajou. Yeom took part in a long-term field training program run by the human resources department at a company he had been interested in, and used his experience to land a job in the human resources division of another IT company.Park Hyung-ju, Ajou University president, commented in his welcoming address: “Industrial-academic cooperation, which simultaneously produces, transfers, and utilizes new knowledge, is now among the three central missions of universities.” He added: “Ajou has a proven record of facilitating the use of knowledge so created, particularly in the form of technology transfers and entrepreneurship.”“On behalf of Ajou,” Park went on, “Rest assured that we will do our best to build upon and enhance the University’s capabilities for industrial-academic cooperation, which is on full display throughout this year’s festa, all toward impacting society at large for good.”Park Hyung-ju, Ajou president (left) / Oh Yeong-tae, Exec. VP of Industry-Academia Cooperation (right)Connecting Star Awards for exemplary affiliated businesses (from left to right): IDP; Cell & Bio; Ajou President Park Hyung-ju; Gyeonggi Business and Science Accelerator (Bio-Center); SJ Global; and IPG Automotive Korea Limited.In his opening message, Ajou’s Vice President for Industry-Academia Cooperation, Oh Yeong-tae, characterized 2020 as “a year in which we made a variety of attempts across all areas of industrial-academic cooperation to overcome COVID-19.” He added: “It is my hope that this year’s festa will recognize and disseminate the achievements of our cooperation, and re-inspire all members of the Ajou Valley with hopes for a better future and continued cooperation.”The online exhibitions for the festa will remain open to the public, so that viewers can help spread word of the achievements of Ajou’s industrial-academic cooperation projects.List of honoreesConnecting Star Ajou Valley Awards[Exemplary Partners of Industrial-Academic Cooperation]Hope and Nest Cooperative Federation (Mun Sang-cheol, chair) / Edu-M (Namgung Yeon-su, CEO) / Kickstart Investment (Lee Jeong-hee, CEO)[Exemplary Affiliated Businesses]Novelty Nobility (Park Sang-gyu, CEO) / Suprema (Mun Yeong-su, CEO) / Cell & Bio (Lee Yong-woon, CEO) / IPG Automotive Korea Limited (Nam Chang-hun, CEO) / IDP (Ahn Mi-suk, CEO) / SJ Global (Jeon Hyang-hee, CEO) / Gyeonggi Business and Science Accelerator Biotechnology Center (Kim Pan-su, director)[Exemplary Faculty Contributors]Kim Byeong-ju (School of Business) / Kim Su-dong (Chief Professor of Bio and Healthcare ICC/ Graduate School of Clinical Pharmacy and Pharmaceutics) / Lee Joo-yeong (Chief Professor of Smart Energy ICC/Dept. of Industrial Engineering / Kim Yong-seong (Chief Professor of Chem-Bio Medicine ICC/Dept. of Applied Chemistry and Biological Engineering)[Exemplary Staff Contributor]Lee Eun-ho (Cooperative Center for Research Facilities)[Contactless Industrial-Academic Cooperation Contributors]Accounting Team (Office of General Affairs), for managing the Infectious Diseases Control Committee and helping to meet the indicators of industrial-academic cooperation / Academic Affairs Team (Office of Academic Affairs), for organizing emergency response to student affairs and on-campus industrial-academic cooperation training and helping to meet the indicators of industrial-academic cooperation.Industrial-Academic Cooperatioin Awards for Students[2020 Industrial-Academic Cooperation Review Awards]First place: Kim Ui-yeong / Second place: Lee Seul-gi and Baek Jong-seong / Third place: Park Min-ho and Choi Jeong-min[Field Training Review Contest]Grand Prize: Yeom Seong-woo / First place: Kim Tae-woo and Kim Hyeon-jin / Second place: Woo Su-min, Kim Hye-seon, and Park Gyu-ri / Third place: Kang Min-jeong, Lee So-hee, Park Ju-hyeon, Bae Ji-hun, Kim Yeong-hun, and Seo Je-hun[Cross Plus Field Training Review Contest] (for seven universities)Grand Prize: Yeom Seong-woo / Third place: Kim Hyeon-jin[Capstone Design Contest]Grand Prize: Ongjudeul (Park Sae-byeol, Kim Na-yeong, Kim Joo-hee, and Yu Ha-eun)First place: A2B2 (Jeong Jae-uk, Choi Jin-yeong, Ju Jae-rin, and Han Ji-eun)Second place: real kk (Choi Seong-woo, Kim Tae-yun, Seo Ji-yong, and Kim Do-hyeon) / Tto? Tto! (Yu Gyeong-dong, Yun Do-gyeong, and Kim Seo-jeong) / undefined (Lee Dong-geon, Han Dong-min, Park Sang-hyeok, Kim Yeon-gyo, and Kim Yong-min)Third place: Homekeepa (Mo Hyeon-min, Lee Eun-chang, Lee Si-eun, Kim Jae-hak, and Park Hyeon-min) / ROSCA (Choi Yeong-ho, Baek Seung-hun, Lee Ji-seon, Kim Min-ji, and Bae Min) / Seonghwang (Hwang Ye-dam and Heo Seong-beom) / board (Park Jun-su, Yun Hong-jun, and Lee Jin-yeong)[LINC+ Entrepreneurial Idea Contest – Curricular Category]Grand Prize: High Mill (Kim Hye-seon, Park Seo-yeon, and Lim Chan-ho)First place: Hygiene Innovation (Lee Do-hun) / Blooming (Kim Min-ju, Kang Ji-won, and Lee Jae-min)Second place: YESS (Lee Gyu-hyeong) / always (Yun Eun-jin, Kim Sang-hee, Park Do-yeong, Lee Su-hyeon, and Jang Se-bin) / Limit Function (Ahn Seung-yeon, Kim Sang-min, Park Hyeon-dong, Choi Min-yeong, and Choi Jun-yeong) Third place: SCTV (Baek Jong-seong, Kim Gyu-yeob, Kim Seong-min, Kim Yeong-su, and Kim Yeong-min) / Daesangbatja (Hong Seo-hyeon, Kim Hyeon-ah, Kim Tae-ho, Yu Hye-bin, and Lee Ga-yeong) / Anti-Disposable (Kang Da-hyeon)[LINC+ Entrepreneurial Idea Contest – Extracurricular Category]First place: Ajou Bb (Nam Chang-hyeon, Kim Su-ah, Kwon Ji-han, and Song Yeong-beom)Second place: Gureumunhyojo (Jeong Seon-hyo, Heo Ji-eon, and Park Si-woo) / Mirroring (Jeong Gwang-myeong, Lee Ga-yeon, Yu Yeong-jun, and Lee Seon-hong) / Gochujang (Yuk Se-hyeon and Yun Hyeon-jun)Visit online exhibitions ☞ lincplusfesta.ajou.ac.kr Watch demonstrations and awards ceremonies ☞https://www.youtube.com/watch?v=u6jVHPqk2OYAwards for Exemplary Partners of Industrial-Academic Cooperation (from left to right): Hope and Nest Cooperative Federation, Ajou President Park Hyung-ju, Kickstart Investment, Edu-M.Industrial-Academic Cooperation Exemplary Faculty Contributors (from left to right): Prof. Kim Yong-seong, Prof. Kim Su-dong, Ajou President Park Hyung-ju, Prof. Kim Byeong-ju, Prof. Lee Joo-yeon.
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Prof. Cho In-sun (Dept. of Materials Science and Engineering, pictured) and his team have discovered a higher-efficiency photocathode capable of producing hydrogen energy from sunlight. The team’s discovery is expected to lead to a variety of economic applications in areas of energy technology where photovoltaic hydrogen generation is needed, such as solar cells and fuel cells.The team’s study on the new photocathode, at least four times more efficient than existing technology, was published in the November issue of Nano Energy (IF = 16.602) and entitled, “High-performance bulky crystalline copper bismuthate photocathode for enhanced solar water splitting.” Listed as authors were Dr. Shin Seong-sik of the Korea Research Institute of Chemical Technology; Seo Gab-kyung and Kim Bit-na, both first authors and currently enrolled in the master’s program at Ajou University; and Hwang Sung-won, a doctoral candidate at Ajou University.The depletion of fossil fuel resources and climate change have led to growing demand for sustainable energy, including solar water splitting technology that generates hydrogen for fuel from sunlight, all without carbon emissions. Researchers working in this field, however, have struggled until recently to improve the efficiency of that process to the extent required for commercialization. Interest has been growing in affordable photo-electrodes capable of absorbing sunlight with great efficiency to generate electric charges.Research on photo-electrode materials has so far been focused on photoanodes capable of generating oxygen from oxides. Interest in photocathodes capable of generating hydrogen directly from water splitting has been comparatively limited. Prof. Cho’s team, however, broke new ground by seizing on a crystalline copper bismuthate photocathode (CuBi₂O₄).Copper bismuthate is the optimal material for photocathodes as it is readily available on the surface of the earth and obtaining it exerts little environmental impact. It also boasts a conduction band conducive to water splitting, an extremely low band gap energy level (1.6 to 1.8 eV) and a high internal voltage (> 1V), raising the theoretically potential photocurrent level to as high as 29 mA/cm². In practice, however, it has been difficult to achieve that potential due to the inferior quality of the actual film that limits electric charge mobility.Prof. Cho’s team found a solution to this problem in the evaporation-decomposition-controlled (EDC) method for producing better-quality films. The EDC process, designed to produce affordable solutions, controls the speed at which the solvent evaporates in the pre-annealing process so as to regulate the density and speed of crystalline grain growth. This process helps produce a dense film consisting of large particles, which significantly improves the mobility of electric charges and doubles the amount of photocurrent obtained. Compared to conventional films produced by electrophoresis or spray-coating, the EDC method increases the film’s photocurrent efficiency fourfold.Prof. Cho’s team was able to demonstrate a high photocurrent density of 3.5 mA/cm2 under standard sunlight conditions by coupling the copper bismuthate photocathode with a copper oxide (CuO) nano-underlayer. The photocurrent density is the highest reported to date.Prof. Cho states: “We still need to further improve efficiency and stability and increase the film’s surface in order to make it viable on the market. We expect additional research will lead us to find ways to improve the productivity and economicity of solar water splitting.”He adds: “Our recent discovery can be expanded into a process for synthesizing various oxide semiconductor films, and may have useful applications in other areas of energy technology, including solar cells and fuel cells.”The study was undertaken with support from the Ministry of Science and ICT and the National Research Foundation of Korea’s support program for experienced researchers.Diagram of the double-bound (CuBi₂O₄ and CuO) photocathode made with the EDC process구리 비스무스 산화물CuBi₂O₄구리산화물CuO투명전극Transparent electrode유리 기판Glass substrateEffect of the CuBi2O4 film made with the EDC process(a)산소기체수소기체백금전극CBO전극(a)Oxygen gasHydrogen gasPlatinum electrodeCBO electrodeEDC 공정 -> Bulky CBO기존 공정 -> 기공 + 불순물EDC process à Bulky CBOConventional process à Porous + polluted(b)광전류(b)Photocurrent(d)이종접합 전극기존 전극 기술x 4배(d)Double-bound electrodeConventional electrodex4
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The Very Ajou Lecture Series, featuring back-to-back special lectures from notable figures and opinion leaders in Korea, was successfully streamed in their entirely on Ajou’s YouTube channel with to stimulate thought and interesting discussion online.The Very Ajou Lecture Series was a three-day event lasting from November 24-26. Four speakers presented daily lectures from 2 p.m. to 6 p.m. More than 14,000 viewers streamed these lectures live.The 12 special speakers included: University President Park Hyung-ju; Kim Yeong-ran, Chair Professor in the Law Schoo and former Korean Supreme Court JusticeProf. Kim Gyeong-il (psychology); Prof. Roh Myeong-woo (sociology)Choi Jae-cheon, animal behaviorist and current chair professor at Ewha Womans University and the inaugural president of the National Institute of EcologyChoi Jin-seok, former professor of philosophy at Sogang University and now chair of the New Word New Action Foundation, and advocate for developing practices for better life and better societyPark Jun-yeong, attorney renowned for handling the most challenging retrial cases for the wrongly convictedWoo Seok-hun, an economist and professor at Sungkyul UniversityYang Dong-su, attorney and advocate of apartment cooperatives through Deoham, an innovative social enterprise;Seo Eun-guk, professor of psychology at Yonsei University, researcher on happinessJang Kang-myeong, former journalist turned writerNam Hyeong-do, popular reporter for Money Today and author of the Cheheolism series, which has attracted the largest number of social media followers among all active journalists in Korea today.“Thought provoking” was the keyword and theme of this year’s lecture series. The lectures were designed not to impart wisdom and knowledge unilaterally, but to provoke the audience into questioning and finding their own answers. More than a thousand live audience members were chosen based on their pre-event applications to participate in the interactive lectures through videoconferencing. These audience members posed questions before and during the lectures, and their communication with the speakers was moderated by Chae Ja-yeong.Recordings of the lectures will be streamed individually on Ajou’s YouTube channel starting in December. The program was sponsored by the University Innovation Support Program of the Ministry of Education and the National Research Foundation of Korea.Lecture ProgramDay 1 (November 24)Park Hyung-ju (President, Ajou University): “Universities in a Connected World”Seo Eun-guk (Professor of Psychology, Yonsei University): “Happiness Is Not a Concept, but an Experience”Yang Dong-su (CEO, Deoham): “A Public-Rights Lawyer for Apartment Communities”Park Jun-yeong (Attorney at Law): “But I Still Hope in Relationships”Day 2 (November 25)Choi Jae-cheon (Chair Professor, Ewha Womans University): “With COVID-19 and the Ecological Turn”Choi Jin-seok (Chair, New Word New Action): “We Can Cross Only by Thinking”Jang Kang-myeong (Writer): “An Age of Snack Information”Kim Gyeong-il (Professor of Psychology, Ajou University): “How Should We Study in the Age of COVID-19?”*Day 3 (November 26)Woo Seok-hun (Professor of Economics, Sungkyul University): “In the Middle of COVID-19”Kim Yeong-ran (Chair Professor of Law, Ajou University): “Being a Judge and Reading”Nam Hyeong-do (Journalist, Money Today): “The Power of Truth That Makes Everything Possible”Roh Myeong-woo (Professor of Sociology, Ajou University): “You Are Not Alone”Prof. Kim Yeong-ran Chairman Choi Jin-seok (New Word New Action)
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Ajou e-Sports Championships 2020, organized by the University’s student union, concluded with great success. Held online in place of the usual offline campus-wide festival, the Championships drew much attention and participation from students.The student union held matches for three games, League of Legends (LOL), Crazyracing Kartrider, and Among Us, from November 7-16. Participants organized their own teams and competed online. The semifinals and final for LOL took place before a live audience in the Yeonam Hall auditorium.The offline matches were hosted by popular game hosts (Jeon Yong-jun and Lee Hyeon-woo) and livestreamed via Ajou’s YouTube channel. A limited number of spectators were admitted, with a much larger number of Ajou students streaming the game.Other famous game streamers were also invited to the offline matches to play against Ajou students, including current students who won a lottery to participate in the game as well as the semifinalists and finalists chosen through the previous matches.Seon Eun-jae (chemical engineering), head of the Culture Planning Bureau in the student union who planned the event, explained, “It was challenging to organize an event of this scale, but we did it in the hopes of giving Ajou’s students a chance to have fun and create good memories amid these difficult times.”The student union organized the event to cater, at least in part, to students’ thirst for on-campus activities and interaction, which have been curbed by the recent pandemic.Video footage from the Championships, including those of major matches, is available for streaming on Ajou’s YouTube channel.# Ajou on YouTube: Click to watch Championship footage.
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A ceremony was held on November 23 to celebrate the installation of the official signboard for the new Graduate School of Science and Technology Policy (GSSTP) at Ajou University. The GSSTP, developed with the help of the Ministry of Science and ICT (MSIT), was established to provide postgraduate programs in science and technology policy; the institution operates in only a few select schools that were chosen by the Ministry in July.The ceremony also saw the signing of a partnership agreement between the GSSTP and the Korea Institute for Research and Development (KIRD), promoting the exchange of information and research collaboration on science and technology policy. KIRD is responsible for running the MSIT’s GSSTP program.The ceremony, held at the Yulgok Hall, was attended by all involved key officials, including the University’s President Park Hyung-ju; Oh Yeong-tae, Vice President for Industry-Academia Cooperation; Lee Joo-yeon, Professor of Industrial Engineering and head of the New Industrial Technology Center; and Park Gwi-chan and Lee Bong-rak, president and senior officer, respectively, of KIRD.The two parties have agreed to organize joint academic events and research projects; to share and expand networks of relations in Korea and worldwide; to jointly develop career development and training programs for scientists and engineers; and to share information on science and technology policy experts.University President Park remarked, “KIRD is developing human resources capable of managing the rapid innovations in science and technology of the Fourth Industrial Revolution. I expect this latest partnership to contribute to the development of science and technology policy experts commanding global research and supporting think tanks.”KIRD President Park also commented, “I wish this partnership of ours to enable us to exchange our knowledge on human resource development so that we can contribute to the development of core talents for the future of science and technology in Korea.”After signing the partnership agreement, the officials moved to the Yeonam Hall to observe the GSSTP’s new signboard being mounted.The GSSTP is an initiative of the MSIT through which the Ministry supports the establishment and operation of postgraduate degree programs for future policy experts who are equipped with not only knowledge of science and technology, but with interdisciplinary knowledge and skills. Having been chosen in July along with Seoul National University to run the program, Ajou will receive a budget of up to KRW 1.7 billion over the next six years to operate the graduate school.The MSIT has supported the GSSTP since 2011. During the first term (2011-2017), three schools--Hanyang University, the Korea Advanced Institute of Science and Technology, and the University of Science and Technology participated; ifor the second term (2016-2023), in addition to from Seoul National University and Ajou, Chungnam and Pukyong National Universities are also taking part.Ajou will begin to recruit candidates for the master’s, doctorate, and integrated postgraduate degree programs at GSSTP in the spring semester of next year. Prof. Lee Joo-yeon will oversee the process. The new graduate school will have ten departments with 20 full-time professors as well as over 30 science and technology policy experts, including researchers from government-funded and private research institutions.As part of the new graduate school’s activities, Ajou will foster research collaboration between universities worldwide, effectively utilize clusters and ecosystems for local industrial-academic collaboration, and plan the establishment of a think tank-type policy research center.
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With the aim of educating and training a skilled future workforce to lead smart manufacturing, Ajou University has partnered with Suwon and Seoul Technical High Schools, with support from the Training Program for Future Leaders of Industries, organized by the Ministry of Employment and Labor and Human Resources Development Service of Korea.The partnership agreement was signed at the Yeonam Hall on November 18. Among the attendees were Oh Yeong-tae, Vice President for Industry-Academia Cooperation; Lee Seong-yeob, head of the Business Support Center; Lim Gun-jin, head of the LINC+ Project Group; Lee Gi-hong, Principal, and Kim Yeon-seon, senior teacher, from Suwon Technical High School; and Lee Jae-geun, Principal, and Han Yeong-wook, a senior teacher, from Seoul Technical High School.Ajou and the two high schools agreed to work together on (1) developing and operating education and training programs; (2) organizing on-site training for students on condition of hiring them; (3) organizing exchanges on new technologies and career opportunities; and (4) developing and proposing policy support programs to local and national governments.The agreement has brought Ajou University and Suwon and Seoul Technical High Schools into a close-knit partnership. The schools expect the partnership to enable them to develop training programs for newly hired students and expand contract-based departments to develop a skilled workforce necessary for the progress of smart manufacturing in Korea.The Training Program for Future Leaders of Industries, in which Ajou is a participant, has been conceived to reduce the supply-demand mismatch in the Korean labor market by designing and providing training programs for young future employees that address the specific needs of industries identified by industry-representative organizations and leading companies. Participating institutions provide specialized training and employment support programs tailored to the actual needs of these industries.Vice President Oh commented, “Under this new agreement, we plan to work together to promote the success of our training programs and help to substantially reduce the supply-demand mismatch in the labor market.”
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Ajou University’s LINC+ Project Group has opened the Chem-Bio Medicine (CBM) Industrial-Academic Collaboration Center and the Industrial Cooperation Center (ICC). The CBM Education Research Organization, leading both centers, consists of researchers drawn from the departments of molecular science and engineering, chemistry, biotechnology, and pharmacy at the University’s graduate school. By opening the two centers, the organization plans to lead industrial-academic research collaboration on related subjects.The ceremony celebrating the opening of the centers took place at Yeonam Hall on November 5. The ceremony also accompanied the R&D Technology Matching Fair. In awareness of the COVID-19 pandemic, the entire event took on a hybrid form, featuring both online and offline elements.The ceremony was attended by key University officials, including Oh Yeong-tae, Vice President for Industry-Academia Cooperation (photo, upper left corner) and Kim Yong-seong, Professor of Applied Chemistry and Biotechnology Engineering and the director of the CBM Industrial-Academic Collaboration Center (photo, upper right corner). The ceremony was also attended by notable guests from outside the University, including Pan Hyeon-gi, head of the Business Diffusion Strategy Division at the Korea Intellectual Property Strategy Agency, and Lee Jeong-woo, leader of the Technology Marketization Division at the Commercializations Promotion Agency for R&D Outcomes. Park Hyung-ju, President of Ajou University, sent a video message in recognition of the occasion.The two new centers will involve 48 organizations and companies, including the CBM Education Research Organization and the Gyeonggi Biotechnology Center. The participating organizations will work together to promote local industries by facilitating and organizing original/intermediary research as well as marketization efforts.The CBM Industrial Collaboration Center was ranked first among biotechnology, health and innovative new drug project groups in a four-stage BK21 evaluation.Center administrator Prof. Kim Yong-seong remarked: “The CBM Industrial Collaboration Center is already making notable progress with technology transfers. At least twelve of the center’s participating faculty members have successfully developed and transferred technologies. We are now doing due diligence and field work to identify and solve technological issues facing actual industries today.”CBM Industrial Collaboration Center members have together generated KRW 42 billion from 37 contracts with 27 businesses over the last five years, of which 14 were valued at KRW 100 million or more, attesting to the high-value-added nature of the technologies transferred.In his congratulatory message, University President Park reminded the audience of Ajou’s motto, “A University that changes the world with connected intelligence,” expressing the expectation of seeing “industrial-academic research collaboration for the development of commercially viable technologies contribute to the growth of both the University and businesses.”Vice President for Industry-Academia Cooperation Oh stated in his address, “The CBM Industrial-Academic Collaboration Center is providing education and research on technologies of all stages, including both basic and commercial, that combine molecular science, bioscience, applied chemistry, and pharmacy. The LINC+ Project intends to use the ICC to accelerate academic-industrial collaboration in R&D, education and training in the four key areas of collaboration emphasized by the University—biotechnology and healthcare; artificial intelligence and big data; new and renewable energy; and smart mobility.”Ajou University operates ICCs to organize collaboration with businesses in workforce development and research in the four key areas chosen based on the University’s core capabilities—biotechnology and healthcare, smart mobility, new and renewable energy, and artificial intelligence and big data. ICCs are channels through which the University undertakes various projects of collaboration and social work.
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A team of researchers including Ajou University’s Prof. Seo Hyung-tak has successfully developed an integrated optoelectronic diode capable of adapting, in a fashion similar to human visual perception, to various environments. The team’s discovery is expected to help develop visual devices with artificial nerves, intelligent photosensors, data processors, and innovations in robotics.Prof. Seo (Dept. of Materials Science and Engineering / Graduate Dept. of Energy Systems, pictured) has announced that his team has developed a photosensor diode capable of differentiating information processing depending on angles of perception. The team’s invention is discussed in detail in “Environment-Adaptable Photonic-Electronic Coupled Angular Perception System,” published in the October issue of ACS Nano (IF = 14.588). The team included two other members from Ajou: Prof. Kim Sang-wan (Dept. of Electrical and Computer Engineering) and Dr. Mohit Kumar (lead author).The human vision system is capable of adapting on its own to changes in its surroundings, including differences in lighting, by detecting changes in optic signals in real time. It is also capable of differentiating between visual signals from different angles of vision (up or down, left or right) and processing the obtained data accordingly. Human vision captures optical data and converts it into photoelectronic signals, which are then encoded into electric spikes of appropriate sizes. Information thus processed is then transmitted to the visual cortex and stored on the synaptic network.Numerous attempts have been made so far to develop artificial sight by simulating the complex and intricate workings of human visual perception. Success has been elusive so far, however, in developing artificial vision with a sufficiently simple structure and a rational energy demand.Much of the research on artificial sight circuits to date has focused on understanding and visualizing information under general lighting. Effective artificial sight, however, crucially requires a technology capable of recognizing objects from wide viewing angles. Only on the basis of angular perception can researchers proceed to develop an effective and simple humanoid photoelectronic circuit capable of replacing the excessively complex circuits that exist today. Moreover, simplifying these complex circuits requires memory storage capable of adapting automatically to diverse environments.Prof. Seo’s team has created a photosensitive semiconductor capable of adapting to changing environments and simulating the human nervous system by first creating a quality titanium dioxide (TiOs) nanofilm and then evenly arranging a silver nanowire on it. The silver nanowire (NW) maximizes the photoelectronic effect on angular visual perception, enabling the semiconductor to perceive and process visual data across a wide angle (± 70º). The Schottky-style combination of the silver nanowire and titanium dioxide also ensures the effective collection of photoelectrons to enhance sensitivity to photonic (ultraviolet) signals. This diode structure is simple, yet effectively simulates human visual perception.Using a 3x3 array, Prof. Seo’s team has created a visual perception diode whose circuit can itself recognize objects in diverse environments. The team has thus discovered that, even for the same given patterns of optic signals, the intensity and duration of memory of those signals vary depending on the given visual angles, the intensity of given light, and the duration and intervals of optic signals. The team, in other words, has demonstrated that their semiconductor is capable of working in much the same manner as the human visual nerves and cortex, and that the mechanism of their neuromorphic optic signal storage is based on the accumulation and loss of electric charges, due to photoelectric combination, on their Schottky diode.This means that the time it takes for memory stored in the titanium dioxide semiconductor to disappear varies depending on differences in the amounts of light absorbed by the semiconductor because those differences in lighting mean the creation of different amounts of light-induced charges (electron-hole pairs). With this invention, the same in-vivo memory-oblivion system can be added to the memory used to sense and store images on devices such as smartphones.Prof. Seo commented, “Artificial sight diodes require many component technologies. Our recent study is significant in that it demonstrates how a transparent semiconductor, capable of adapting to changes in environments and detecting and processing optic signals with relatively little energy, can be created.”He also expects the new diode to “have a wide variety of applications, including intelligent photosensors, data processing, and robotics.”The study has been made possible thanks to support from the Future New Material and Original Technology Development Program and the Basic Research Support Program for Experienced Basic Researchers, co-organized by the Ministry of Science and ICT and the National Research Foundation of Korea.
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Professor Lee Jae-hyun of Ajou University has developed a new graphene exfoliation technique for graphite, a next-generation electron material.A joint research team involving professor Lee Jae-hyun (Department of Materials Science and Engineering, photo), Son Seok-kyun of Mokpo National University, and Cho Sung-ho, director of Samsung Display, announced that the team had developed a new technique of layer-engineered large-area exfoliation of graphene. The study was published in Science Advances on October 28th and titled, “Layer-engineered large-area exfoliation of graphene”. PhD student Moon ji-Yoon and Doctor Kim Min-soo from the University of Manchester participated as lead authors. Graphene, a transparent material with rubber-like flexibility, has received a lot of attention as a “dream material” for its outstanding electrical conductivity. These characteristics make graphene perfect for rollable TVs and smartphone screens. Graphene is a compound integration of carbon atoms that form a beehive shape. This monolayer material is so thin that 100,000 layers are equal to the diameter of a human hair.The conventional method of obtaining graphene sheets from graphite flakes required workers to repeatedly peel off layers of graphite crystals using cellophane tape. This was immensely dependent on worker skill and made it almost impossible to control monolayer graphene area, number of layers and yield.Professor Lee’s team succeeded in controlling, at the atom level, the crack propagation, especially size and direction, produced when peeling off layers using cellophane tape and obtaining the desired area and number of layers. According to Lee’s new method, a specific metal film is attached to graphite to selectively, rather than randomly, control the depth and direction of cracks. The research team’s finding enables production of layer-controlled graphene: from mm2-monolayer to double layer and up to 40 layers. The average area of monolayer graphene exfoliated using the new method is up to approximately 4200 times that of monolayer graphene exfoliated by the standard method. In addition, the density per unit area of monolayer graphene increased by a maximum of 6000 times, which enables higher yield. The recent study is expected to be an alternative method for preparing graphene, as obtaining fine quality exfoliated graphene is essential for commercialization. Research was sponsored by a grant from the Korean Ministry of Science and ICT and the National Research Foundation of Korea as part of their Basic Science and Engineering Lab Program and Beginning Researcher Program. 금필름Gold Film자연 흑연으로부터 무결점 그래핀 박리Exfoliation of top graphene from bulk crystal원하는 기판으로의 전사 공정Transfer to target substrate(Top) The exfoliation process of selective monolayer graphene from natural graphite flakes through attachment of gold film. (Bottom) Graphs comparing the size and density of monolayer graphene exfoliated using the conventional method and using the new method with gold film. The average area of monolayer graphene obtained using gold film is up to 4200 times the standard exfoliation method and up to 6000 times the density.
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- 작성자OI***
- 작성일2020-11-19
- 8035
- 동영상동영상
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A team led by Ajou University Professor Jeon Sang-min has found that a specific gene formerly considered helpful in prevention and treatment of cancer, in fact, stimulates its development and progression. Professor Jeon Sang-min (College of Pharmacy, photo) discovered that, contrary to traditional understanding, Nuclear factor E2-related factor 2 (NRF2) is a gene that stimulates cancer development and is also related to poor clinical outcomes, not at all a tumor suppressor gene. His study was published in Clinical Cancer Research on October 19th and entitled, “NRF2 activation promotes aggressive lung cancer and associates with poor clinical outcomes”. Professor Jeon Sang-min, PhD student Choi Eun-ji, US company Genentech, and a research team from Johns Hopkins Medical Institutions participated in the recent study, which was sponsored with a grant from the Korea National R&D Program for Cancer Control (Ministry of Health and Welfare) and the Basic Science Research Program (Individual Basic Science & Engineering Research Program) under the Ministry of Science, ICT and Future Planning.NRF2 has long been considered helpful in preventing and treating cancer as it was believed to reduce reactive oxygen species (ROS) once it is processed into a transcription factor that activates anti-oxidation pathways. However, several recent findings have suggested that NRF2 may actually contribute to tumor development, because in many cases of cancer, including cancer of the lung, NRF2 was activated.Another study also found that, in lung cancer cases, NRF2 activation occurred along with the mutation of STK11/LKB1, which are other tumor suppressor genes. Accordingly, the joint research team conducted experiments based on a genetically modified lung cancer mouse model (Kras/Keap1/Stk11-KO) and analyzed the results of the latest large-scale lung cancer clinical trials (OAK, IMpower131). The research team identified that, in the genetically modified mouse model, the activation of NRF2 stimulated lung cancer development and lowered survival rates. The team also found that the STK11 gene mutation increased ROS and stimulated the progression of lung cancer development. When STK11 mutation and NRF1 activation were both taking place, they suppressed ROS, further promoted lung cancer development and significantly lowered survival rates. The research team discovered that the reason NRF2 activation and STK11 mutation happen simultaneously in lung cancer cases is because NRF2 activation reduces oxidative stress incurred by STK11 mutation leading to cancer cell survival and growth. In conclusion, the study produced meaningful findings proving that NRF2 is a tumor oncogene, not a tumor suppressor gene. The team also analyzed recent clinical trials and found that lung cancer patients with active NRFs were highly likely to have poorer chemotherapy and immunotherapy outcomes than those who didn’t have active NRFs, and had significantly lower survival rates.Professor Jeon Sang-min stated “The study suggests a paradigm shift in the role of NRF2 in cancer. […] Many attempts have been made to develop an NRF2 stimulant for cancer prevention and treatment. However, our research has set the record straight and contributed to increasing interest on the development of an NRF2 inhibitor.”Professor Jeon’s research team is continuing efforts to be the first in developing such an NRF2 inhibitor drug. Professor Jeon participated in joint creation of SCL Therapeutics, a bio start-up, for clinical development of the self-discovered NRF2 inhibitor candidate. Currently, the lab is conducting pre-clinical trials.
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456
- 작성자OI***
- 작성일2020-11-19
- 6612
- 동영상동영상
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<Photo: From left: EP Global CEO Kang Won-gu, Paint Wall Mart CEO Kwon Hoe-jung, RAY Star CEO Kwon Soon-ho, Ajou University president Park Hyung-ju and dean of the Chemical Engineering Department, Kim Ju-hyung> The Chemical Engineering 1985 Alumni Association continues giving to the university. Its donation relay campaign began in 2016 and has continued every year. This year, Kwon Soon-ho, member of the Chemical Engineering 1985 Alumni Association, continued the relay with a monetary gift to the university. RAY Star CEO, Kwon Soon-ho started his undergraduate studies in the Ajou University Department of Chemical Engineering in 1985. He donated 10 million won towards establishment of a commemorative hall celebrating Ajou’s 50th anniversary, becoming the fifth “runner” in the relay donation campaign.The donation hand-over ceremony was held at the president’s office on October 21st. Park Hyung-ju, President of Ajou University, extended his gratitude on behalf of the Ajou family and held a luncheon. The previous donors to the relay donation campaign also participated.The campaign was introduced by the alumni association of the Chemical Engineering department and began with EP Global CEO Kang Won-gu in 2016. This year celebrates the fifth year of continued donations: Innofiltech CEO Kim Jung-woo in 2017, EKC CEO Kang Min-gu in 2018, and Paint Wall Mart CEO Kwon Hoe-jung in 2019 all contributed 10 million won. The alumni are now one step closer to their goal of donating 100 million won within a decade thanks to the recent donation made by Kwon Soon-ho. Kang Won-gu directed his donation to the Ajou University Central Library, Kim Jung-woo contributed to further development of the Electrical and Computer Engineering Department, while gifts from Kang Min-gu and Kwon Hoe-jung went towards advancement of the Chemical Engineering Department.
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- 작성일2020-11-19
- 6526
- 동영상동영상
