research
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Professor Min Beom Ki develops metamaterial with high index of refraction
Korean research team was able to theoretically prove that a metamaterial with high index of refraction does exist and produced it experimentally.
Professor Min Beom Ki, Dr. Choi Moo Han, and Doctorate candidate Lee Seung Hoon was joined by Dr. Kang Kwang Yong’s team from ETRI, KAIST’s Professor Less Yong Hee’s team, and Seoul National University’s Professor Park Nam Kyu’s team. The research was funded by the Basic Research Support Program initiated by the Ministry of Education, Science, and Technology and Korea Research Federation.
The result of the research was published in ‘Nature’ magazine and is one of the few researches carried out by teams composed entirely of Koreans.
Metamaterials are materials that have physical properties beyond those materials’ properties that are found in nature. It is formed not with atoms, but with synthetic atoms which have smaller structures than wavelengths.
The optical and electromagnetic waves’ properties of metamaterials can be altered significantly which has caught the attention of scientists worldwide.
Professor Min Beom Ki’s team independently designed and created a dielectric metamaterial with high polarization and low diamagnetism with an index of refraction of 38.6, highest synthesized index value.
It is expected that the result of the experiment will help develop high resolution imaging system and ultra small, hyper sensitive optical devices.
2011.02.23 View 15479 -
Waking Up Is Hard to Do: Scientists have discovered a new mechanism in the core gears of the circadian clock.
The US News & World Report released an article (Feb. 18, 2011) on KAIST’s research collaboration with Northwestern University in the US to identify a gene that regulates the rhythm of a fruit fly’s circadian clock, which may be applied to explain human’s sleep-wake cycle. The research result was published February 17 in the journal Nature.
For the link of the US News & World Report article, please go to the following link:
http://www.usnews.com/science/articles/2011/02/18/waking-up-is-hard-to-do_print.html
2011.02.21 View 9499
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KAIST establishes Indoor Location Recognition Industrial-Educational Research Center
KAIST has signed the memorandum of understanding on the 15th of February for the establishment of ‘KTNET-KAIST Industrial-Educational Research Center’ (Head of Center, Professor Han Dong Soo of department of Computer Sciences). Korea International Trade Association and KTNET will be working with KAIST to develop wi-fi based indoor location recognition service and applications of the developed technology.
The memorandum of understanding states that KTNET and Korea International Trade Association will be allowed access to the technology KAIST has in order to obtain competitive advantage in the field of location recognition.
In addition, KAIST will continue on making technological advances in the field of wi-fi based indoor location recognition for the next 5 years, develop new core technologies and applications, along with the export of related technologies abroad, under the support of the KITA and KTNET.
The KTNET-KAIST research center is special in that it has been derived off of the technology developed for the hosting of the G20 Global Summit. Last year, KAIST, KITA, and KTNET developed a wi-fi based Coex indoor navigation system and called it ‘myCoex’ and released it to the public in tandem with hosting G20 Summit.
‘myCoex’ application was the first of its kind in the world to provide wi-fi based indoor navigation system without problems. Despite ‘myCoex’ only useable within Coex, over 150,000 users have downloaded the application.
The research center plans on developing the necessary technology that will allow the application of such an app like ‘mCoex’ to large indoor spaces like Incheon International Airport, subway, shopping malls, and etc.
In addition the addition of a social commerce service to ‘myCoex’ is being looked into which will be the marriage of navigation services and social commerce services.
The KTNET KAIST research center will develop a wi-fi based indoor location recognition service platform that can be widely used and open it so that numerous other developers can develop personalized services.
Han Dong Soo Head od Center commented, “The wi-fi based indoor location recognition technology is still found wanting in its accuracy, response time, and energy consumption efficiency making further research imperative in this particular field. The establishment of KTNET-KAIST research center has created a research friendly environment and KAIST will do its utmost to become the leader in the field”.
2011.02.21 View 11133
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Success in differentiating Functional Vascular Progenitor Cells (VPC)
KAIST’s Professor Han Yong Man successfully differentiated vascular progenitor cells from human embryonic stem cells and reversed differentiated stem cells.
The research went beyond the current method of synthesis of embryonic body or mice cell ball culture and used the careful alteration of signal transmission system of the human embryonic stem cells to differentiate the formation of vascular progenitor cells.
The team controlled the MEK/ERK and BMP signal transmission system that serves an important role in the self replication of human embryonic stem cells and successfully differentiated 20% of the cells experimented on to vascular progenitor cells.
The vascular progenitor cells produced with such a method successfully differentiated into cells forming the endodermis of the blood vessel, vascular smooth muscle cells and hematopoietic cells in an environment outside of the human body and also successfully differentiated into blood vessels in nude mice.
In addition, the vascular progenitor cell derived from human embryonic cells successfully formed blood vessels or secreted vascular growth factors and increased the blood flow and the necrosis of blood vessels when injected into an animal with limb ischemic illness.
The research was funded by the Ministry of Education, Science and Technology, 21st Century Frontier Research and Development Institution’s Cell Application Research Department and Professor Ko Kyu Young (KAIST), Professor Choi Chul Hee (KAIST), Professor Jeong Hyung Min (Cha Medical School) and Doctor Jo Lee Sook (Researcher in Korea Bio Engineering Institute) participated in it.
The results of the research was published as the cover paper of the September edition of “Blood (IF:10.55)”, the American Blood Journal and has been patented domestically and has finished registration of foreign PCT.
The results of the experiment opened the possibility of providing a patient specific cure using stem cells in the field of blood vessel illness.
2011.01.18 View 12357 -
Explanation for the polymerized nucleic acid enzyme's abnormal activation found
KAIST’s Professor Park Hyun Kyu of the Department of Bio Chemical Engineering revealed on the 23rd of December 2010 that his team had successfully developed the technology that uses the metal ions to control the abnormal activation of nucleic acids’ enzymes and using this, created a logic gate, which is a core technology in the field of future bio electrons.
The polymerized nucleic acid enzyme works to increase the synthesis of DNA and kicks into action only when the target DNA and primers form complimentary pairs (A and T, C and G).
Professor Park broke the common conception and found that it is possible for none complimentary pairs like T-T and C-C to initiate the activation of the enzyme and thus increase the nucleic acid production, given that there are certain metal ions present.
What Professor Park realized is that the enzymes mistake the uncomplimentary T-T and C-C pairs (with stabilized structures due to the bonding with mercury and silver ions) as being complimentary base pairs. Professor Park described this phenomenon as the “illusionary polymerase activity.”
The research team developed a logic gate based on the “illusionary polymerase activity’ phenomenon.” The logic gate paves the way to the development of future bio electron needed for bio computers and high performance memories.
Professor Park commented, “The research is an advancement of the previous research carried on about metal ions and nucleic acid synthesis. Our research is the first attempt at merging the concepts of the two previously separately carried out researches and can be adapted for testing presence of metal ions and development of a new single nucleotide polymorphic gene analysis technology.”
Professor Park added that, “Our research is a great stride in the field of nano scale electron element research as the results made possible the formation of accurate logic gates through relatively cost efficient and simple system designs.”
On a side note, the research was funded by Korea Research Foundation (Chairman: Park Chan Mo) and was selected as the cover paper for the December issue of ‘Angewandte Chemie International Edition’.
2011.01.18 View 9949 -
KAIST developed a plastic film board less sensitive to heat.
The research result was made the cover of magazine, Advanced Materials and is accredited to paving the way to commercialize flexible display screens and solar power cells.
Transparent plastic and glass cloths, which have a limited thermal expansion needed for the production of flexible display screens and solar power cells, were developed by Korean researchers.
The research, led by KAIST’s Professor Byoung-Soo Bae, was funded by the Engineering Research Center under the initiative of the Ministry of Education, Science and Technology and the National Research Foundation. The research result was printed as the cover paper of ‘Advanced Materials’ which is the leading magazine in the field of materials science.
Professor Bae’s team developed a hybrid material with the same properties as fiber glass. With the material, they created a transparent, plastic film sheet resistant to heat. Transparent plastic film sheets were used by researchers all over the world to develop devices such as flexible displays or solar power cells that can be fit into various living spaces. However, plastic films are heat sensitive and tend to expand as temperature increases, thereby making it difficult to produce displays or solar power cells.
The new transparent, plastic film screen shows that heat expansion index (13ppm/oC) similar to that of glass fiber (9ppm/oC) due to the presence of glass fibers; its heat resistance allows to be used for displays and solar power cells over 250oC.
Professor Bae’s team succeeded in producing a flexible thin plastic film available for use in LCD or AMOLED screens and thin solar power cells.
Professor Bae commented, “Not only the newly developed plastic film has superior qualities, compared to the old models, but also it is cheap to produce, potentially bringing forward the day when flexible displays and solar panels become commonplace. With the cooperation of various industries, research institutes and universities, we will strive to improve the existing design and develop it further.”
2011.01.05 View 12922 -
Minister of Higher Education of Saudi Arabia Visited KAIST to Sign Agreement on Joint Research Projects
Khaled bin Mohammad Al-Anqari, the Minister of Higher Education of Saudi Arabia, visited KAIST on October 26th to conclude a joint agreement with KAIST.
The group of Saudi Arabian visitors included Abdullah bin Abdularhman Al-Othman, President of the King Saud University, Osama bin Sadiq Tayeb, President of King Abdulaziz University, and Khalid bin Salih Al-Sultan, President of the best Saudi Arabian technological university, King Fahad University of Petroleum and Minerals.
Through research agreement between KAIST and the King Saud University and King Fahad University of Petroleum and Minerals, joint research projects, mutual visitations of research professors, interchange of academic programs, joint seminars and scientific societies will be held to promote the lively interchange between higher education institutions of Korea and Saudi Arabia.
In particular, King Saud University and KAIST has signed an agreement on joint research projects in the fields of “Solar-Ocean Thermal Exchange Desalination,” “Develop New Energy Management Service for Residential and Commercial Customers Using Smart Metering and Sensor Network Information” and “Superior Production of Lactic Acid from Saudi Dates Using Bioprocess Technology.”
The projects will be funded by the Saudi Arabian government, and their scope will be determined in the future
“Compared to the robust industrial economic interactions between the Middle East and Korea, the interchange of the two countries’ higher education institutions has been poor,” said Jong Hyun Kim, Visiting Professor of Nuclear & Quantum Engineering Department of KAIST who will be conducting one of the joint programs with the Electrical Engineering Department of the King Saud University. “Like this joint research, I hope KAIST will, in many different ways, lead the way in cooperating and interacting with higher education institutions of the Middle EAST.”
Al-Anquari, Minister of Higher Education of Saudi Arabia, who showed great interest in KAIST’s innovative research and high technology development, expressed his will to put more effort into extending the interchange between universities of Saudi Arabia and of Korea, including KAIST.
2010.11.03 View 14100 -
2010 International Presidential Forum was held successfully.
On October 11th, the 2010 International Presidential Forum on “The Role of the Research University in an S&T Dominated Era: Expectation & Delivery” was held successfully at the Westin Chosun Hotel in Seoul. The third International Presidential Forum to be held, participants of the 2010 Presidential Forum engaged in an in-depth discussion about the direction that research universities should take in the 21st Century.
On its opening, President Nam Pyo Suh delivered a congratulatory message saying, “This forum is a meaningful gathering where research universities will suggest role models and find ways research universities can contribute to the progress of mankind in this century.”
Following, Lee Ki Jun, CEO of the Korean Federation of Science and Technology Societies said, “The common goal of the world’s research universities is to solve the problems mankind is facing together. I believe that the discussion we will hold today at the forum will point to the future direction of research universities.”
“To produce next generation engineers meeting global standards, exchange and dual degree programs between universities must be strengthened,” said Lars Pallesen, President of the Technical University of Denmark. “Research universities must support the exchange between students beyond cultural and national borders to adapt to the global market.”
Ichiro Okura, Vice President of Tokyo Institute of Technology, presented on the “Asian Science and Technology Pioneering Institutes of Research and Education, ASPIRE.” ASPIRE is a community created by the coalition between science and technology universities in the Far East. Its purpose is to contribute to sustainable global growth by educating high-quality human resources and lead Asia’s technology innovation based on science and technology development.
“For research universities to solve today’s global issues, universities must create new ideas by performing fundamental studies and developing innovative technology. The financial resources of universities must be focused with choices based on results,” remarked President Suh.
Zaini Ujang, Vice-President of the Universiti Teknologi Malaysia stated that “the Malaysian government is planning on converting from a ‘labor-intensive economy’ to an ‘innovative leading economy’ with the goal of joining the advanced countries by 2020. In today’s science and technology era where innovative technology is necessary, research universities have an important role of developing the knowledge environmental system to lead the world economy.” Vice-President Ujang then explained what strategies Malaysian research universities devised in the innovative leading economy era to create research universities that bring creativity and innovation.
Tod A. Laursen, President of KUSTAR, said that “KUSTAR has a leading role in bringing science and technology and manpower necessary in converting the oil-centered economy of UAE to a knowledge-based economy. KUSTAR will continuously strengthen international cooperation to become not only the best engineering university in the Arab region but in the world.”
At this year’s forum, thirty international presidents and vice presidents from 24 universities in 15 countries including Georgia Tech, Technical University of Denmark, Technion-Israel Institute of Technology, University of Queensland, Tokyo University, Nanyang Technological University, University Teknologi Malaysia and Hong Kong Institute of Science and Technology along with forty national figures such as the presidents of Hanyang University and Handong Global University, governmental bureaucrats and representatives from national business and institutions participated.
2010.10.20 View 14833 -
Reasons for Hope: Jane Goodall Lectured at KAIST
Dr. Jane Goodall, globally acknowledged chimpanzee researcher and environmental activist, was invited to KAIST and gave a lecture on the importance of preservation and restoration of the ecosystem on the earth. The lecture took place on the 28 of September at the university’s auditorium from 5PM to 7PM.
The lecture, titled “Reasons for Hope: Celebrating 50 Years of Chimpanzee Research,” was organized to celebrate her longtime career as a primatologist and anthropologist.
The visiting of Dr. Jane Goodall, who had dedicated a long period of time in spreading the significance of the diversity of life, gave a meaningful opportunity to increase the Korean public’s awareness of life’s diversity.
This lecture was jointly sponsored by Ehwa Woman’s University and KAIST, and the lecture was translated by Professor Choi Jae-Chun of Ehwa University.
2010.09.29 View 8920 -
OLEV Safety Confirmed by International Standards
On September 19, KAIST announced that the electromagnetic (EM) field levels of its online electric vehicle (OLEV) measured in June and September of this year demonstrated verification of its safety.
Last June, the EM field level of OLEV installed at the Seoul Grand Park was measured by the Korea Research Institute of Standards and Science (KRISS) to test its harmfulness to human. The results were 0.5 ~ 61mG which is within the national and international standards of 62.5mG.
KRISS measured EM field levels on 22 spots on the side of and at the center of OLEV at a fixed distance (30cm) but variable heights (5cm~150cm) according to the national standard of measurement methods for electromagnetic fields of household appliances and similar apparatuses with regard to human exposure (IEC 62233).
In addition, another testing took place on September 13 following a request by National Assemblywoman Young-Ah Park, a member of the National Assembly’s Education, Science and Technology Committee, who has raised an issue on the safety of OLEV. This testing session was held by EMF Safety, Inc., an institution designated by Park, and it tested the EM field level of the same OLEV train that was tested in June.
As a result, the September measurements were well within the national and international standards with 0~24.1mG. The test was conducted under the presence of third party to produce a fair and objective result.
As reference, the EM field level results are well within the American IEEE electromagnetic field standards of 1,100 mG.
The September measurements were produced by Park’s recommendation of following the criteria specified in the measurement procedures of IEC 62110, “Electric and magnetic field levels generated by AC power systems to public exposure,” which were 15 measurements at a fixed 20cm distance at the side of and from the center of OLEV with variable heights of 50cm~150cm.
2010.09.27 View 11437 -
Former Minister of Information & Communications Dae-Je Jin donated to KAIST.
From left to right: Yong-Hoo Lee, Dean of Information Science & Technology College, KAIST; Gang-Seok Lee, Vice President of Skylake Incuvest, Inc.; Dae-Je Jin, Former Minister of Information & Communications; Byung-Kyu Choi, Provost of KAIST; and Dae-Joon Joo, Vice President of Planning & Budget, KAIST.
Mr. Dae-Je Jin, who had served as the Minister of Information & Communications, South Korea, gave away about 100,000 USD to KAIST and hoped that his donation would be used for the development of information and technology industry in the nation.
Mr. Jin, widely known as one of the reputable business leaders in the IT industry, was also once the president of Samsung Electronics, a leading global supplier of electronic products and goods. Currently, he runs a private equity investor called, Skylake Incuvest, Inc., which invests and incubates innovative information, communications, and technology companies.
“The real growth engine for our nation to become an economic powerhouse on a global stage has been the highly trained people who shore up our industry. Universities including KAIST have played an excellent role in providing our nation with such outstanding researchers and engineers. I will continue to support for KAIST"s mission as a leading research university in science and technology in Korea and the world,” said Mr. Jin.
KAIST said that his donation would be used for the support of its IT researches.
2010.08.27 View 10269 -
South Koreans Develop High-Performance Software Router.
HPC Wire, covering news on computing software, hardware, networking, storage, tools and applications, published an article on the development of high-performance router by a KAIST research team.
The research team consisted of the Departments of Computer Science and Electrical Engineering, KAIST, presented PacketShader, a high-performance software router framework for general packet processing with Graphics Processing Unit (GPU) acceleration. PacketShader, the research team said, that exploits the massively-parallel processing power of GPU to address the CPU bottleneck in current software routers.
For the article, please click the link: http://www.hpcwire.com/news/South-Koreans-Develop-High-Performance-Software-Router-101401434.html
2010.08.25 View 9630