Research News

News of recent publications by Filipino researchers

Research productivity and the knowledge economy

October 11, 2011
By
Research productivity and the knowledge economy

Several years ago, we reviewed the scientific publication performance of the Philippines and some of its neighboring countries including Indonesia, Malaysia, Thailand, and Vietnam. Using the Science Citation Index Expanded, we looked at the number of publications coming from these countries between 1980 and 2006. See Box 1. Our findings showed that Malaysia and...

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Intense terahertz emission from undoped GaAs/n-type GaAs and InAs/AlSb structures grown on Si substrates

October 4, 2011
By
Intense terahertz emission from undoped GaAs/n-type GaAs and InAs/AlSb structures grown on Si substrates

Post contributed by Dr. Elmer Estacio, currently affiliated with the Far Infrared Center, University of Fukui. His area of research is on MBE-grown terahertz semiconductor emitters  and development of high-speed terahertz time-domain spectroscopy techniques. The terahertz (THz, 1012 Hz) frequency region bridges the gap between electronics (microwave band) and photonics (IR and visible light...

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DNA barcoding of the ichthyofauna of Taal Lake, Philippines

September 7, 2011
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Everyone may be familiar with barcodes usually printed as parallel lines in labels of most commercial products. It is basically a machine-readable representation of data that makes possible the efficient management and accurate retrieval of information about the product. Now, instead of parallel lines, imagine using a short genetic marker in the organism’s DNA...

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Controlling dengue from within

August 30, 2011
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Dengue fever is a mosquito-borne viral disease that’s becoming an increasing problem in tropical and subtropical regions. It is an infection that causes a severe influenza-like illness, and sometimes a deadly complication called dengue haemorrhagic fever. Some of the symptoms of dengue include sudden onset of high fever which may last 2 to 7...

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Viability of production of biodiesel and biogas from microalgae: A net energy analysis

August 20, 2011
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Recently, there has been a growing interest in finding alternative forms of energy. This is mostly driven by increasing prices of oil, concerns over greenhouse gases emission from fossil fuels, and some form of government subsidies. One of the alternatives which has been gaining much public and scientific attention is biofuel, a type of...

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Impact of climate change in the Philippines

June 22, 2011
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To understand better the possible effects of climate change in the Philippines, it is critical to collect, record, collate and analyze all data and information with possible links to climate change so that appropriate scenario-building and extrapolations can occur. The Philippines, being an archipelago and a developing country, is highly vulnerable to the adverse...

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A network analysis on the population and family planning issues in the Philippines

April 24, 2011
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With the reproductive health bill currently under consideration in Congress, issues regarding population and family planning has recently received heightened media coverage. In a recent paper entitled “News framing of population and family planning issues via syntactic network analysis” appearing in the International Journal of Modern Physics C, Legara and colleagues, all researchers from...

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Microstructural defects associated with enhanced magnetic flux pinning in YBCO/DyBCO/YBCO multilayered thin films

April 11, 2011
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In a new paper entitled, “Microstructural defects associated with enhanced magnetic flux pinning in YBCO/DyBCO/YBCO multilayered thin films,” researchers Katherine Develos-Bagarinao and Hirofumi Yamasaki of the National Institute of Advanced Industrial Science and Technology (AIST), based in Tsukuba, Japan, analyzed the unique microstructure of multilayered superconducting thin films. The films, having an architecture of...

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Modeling U-turn traffic flow

April 10, 2011
By

How effective are those U-turns in major thoroughfares in Metro Manila? This is the question addressed by a paper entitled “Modeling U-turn traffic flow” appearing in Physica A in 2010 by two Filipino researchers Jay Samuel Combinido and May Lim, both are from the National Institute of Physics, University of the Philippines in Diliman....

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