국내골프산업의 현황과 발전방향에 대한 고찰

박태근,장현철 京畿專門大學 2001 京畿專門大學 論文集 Vol.- No.29

This study aims to analyze the present conditions of the domestic golf industry and present the possible ways of its development for the 21st century For this study a golf course industry and golf supplies industry were industries in terms of the national and social policy have led to the following conclusion. First, it is needed to change people's recognition of golf for the popularization of the golf industry. Second, the government needs to take a consistent policy in relation to the golf industry so that it can assist make the golf industry more popular. Third, the golf course industry is required to employ a marketing strategy which attempts to reduce the cost and enable the customers to use the facilities much more conveniently through the mechanization and automatization of its facilities. Fourth, the golf supplies industries should concentrate on improving their products' quality with the awareness of golf supplies as high value added articles. In addition, the government is demanded to support the golf industry by providing the policy of giving benefits to its tax system.

A survey of pre-service teachers’ acceptance of technology in Thailand

Timothy Teo,Jintavee Khlaisang,Thapanee Thammetar,Kobkul Sunphakitjumnong,Anirut Satiman,Nammon Ruangrit 서울대학교 교육연구소 2014 Asia Pacific Education Review Vol.15 No.4

In the recent decade, Thailand has launched many initiatives to ensure that technology is integrated into the school curriculum. Despite the investment and efforts of the government, few studies have been conducted to examine users’ acceptance of technology. Given that educators are the change agents in many educational initiatives, it is important to gain insights into the factors that influence their uses of technology for teaching and learning. The aim of this study is to survey the level of technology acceptance among pre-service teachers in Thailand. In so doing, the level of technology acceptance among a national sample of 969 pre-service teachers was measured and whether their acceptance was significantly differentiated by gender, age, perceived technology competence, and computer experience was assessed. Using the Technology Acceptance Measure for Pre-service Teachers (Teo in Educ Psychol Meas 70(6):990–1006, 2010a; Multicult Educ Technol J 4(3):163–172, 2010b), the results provided preliminary evidence which suggests that pre-service teachers possess an above-average level of technology acceptance and that computer experience acted as a mediator of technology acceptance. To some degree, this study has contributed to the ensuing debates on technology acceptance in education and offered additional insights into the advancement of technology integration in Asia.

Effects of Sodium/Glucose Cotransporter 2 (SGLT2) Inhibitors on Cardiac Imaging Parameters: A Systematic Review and Meta-analysis of Randomized Controlled Trials

Caitlin Fern Wee,Yao Hao Teo,Yao Neng Teo,Nicholas LX Syn,Ray Meng See,Shariel Leong,Alicia Swee Yan Yip,Zhi Xian Ong,Chi-Hang Lee,Mark Yan-Yee Chan,Kian-Keong Poh,Ching Ching Ong,Lynette LS Teo,Devin 한국심초음파학회 2022 Journal of Cardiovascular Imaging (J Cardiovasc Im Vol.30 No.3

Recent studies have shown that sodium/glucose cotransporter 2 (SGLT2) inhibitors might exert favourable changes on cardiac parameters as observed on cardiovascular imaging. We conducted a systematic review and meta-analysis to determine the effects of SGLT2 inhibitors on cardiac imaging parameters. Four electronic databases (PubMed, Embase, Cochrane, Scopus) were searched for studies in which the effects of SGLT2 inhibitors on cardiac imaging parameters were examined. Studies in which a population was administered SGLT2 inhibitors and analysed by echocardiography and/or cardiac magnetic resonance (CMR) imaging were included. Random-effects pair-wise meta-analysis models were utilized to summarize the studies. A total of 11 randomized controlled trials was included with a combined cohort of 910 patients. Comparing patients receiving SGLT2 inhibitors with subjects receiving placebo, the mean change in CMR-measured left ventricular mass (LVM) was −3.87 g (95% confidence interval [CI], −7.77 to 0.04), that in left ventricular end-systolic volume (LVESV) was −5.96 mL (95% CI, −10.52 to −1.41) for combined LVESV outcomes, that in left atrial volume index (LAVi) was −1.78 mL/m2 (95% CI, −3.01 to −0.55) for combined LAVi outcomes, and that in echocardiography-measured E/e′ was −0.73 (95% CI, −1.43 to −0.03). Between-group differences were not observed in LVM and LVESV after indexation. The only between-group difference that persisted was for LAVi. Treatment with SGLT2 inhibitors resulted in reduction in LAVi and E/e′ on imaging, indicating they might have an effect on outcomes associated with LV diastolic function.

Highly Stretchable and Highly Conductive PEDOT:PSS/Ionic Liquid Composite Transparent Electrodes for Solution-Processed Stretchable Electronics

Teo, Mei Ying,Kim, Nara,Kee, Seyoung,Kim, Bong Seong,Kim, Geunjin,Hong, Soonil,Jung, Suhyun,Lee, Kwanghee American Chemical Society 2017 ACS APPLIED MATERIALS & INTERFACES Vol.9 No.1

<P>Stretchable conductive materials have received great attention owing to their potential for realizing next generation stretchable electronics. However, the simultaneous achievement of excellent mechanical stretchability and high electrical conductivity as well as cost-effective fabrication has been a significant challenge. Here, we report a highly stretchable and highly conducting polymer that was obtained by incorporating an ionic liquid. When 1-ethyl-3-methylimidazolium tetracyanoborate (EMIM TCB) was added to an aqueous conducting polymer Solution of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), it was found that EMIM:TCB acts not only as a secondary dopant but also as a plasticizer for PEDOT:PSS, resulting in a high conductivity of >1000 S cm with stable performance at tensile strains up to 50% and even up to 180% in combination with the prestrained substrate technique. Consequently, by exploiting the additional benefits of high transparency and solution-processability of PEDOT:PSS, we were able to fabricate a highly stretchable, semitransparent, and wholly solution processed alternating current electroluminescent device with unimpaired performance at 50% strain by using PEDOT:PSS/EMIM TCB composite films as both bottom and top electrodes.</P>

Modeling the Natural Occurrence of Selected Dipterocarp Genera in Sarawak, Borneo

Teo, Stephen,Phua, Mui-How Institute of Forest Science 2012 Journal of Forest Science Vol.28 No.3

Dipterocarps or Dipterocarpaceae is a commercially important timber producing and dominant keystone tree family in the rain forests of Borneo. Borneo's landscape is changing at an unprecedented rate in recent years which affects this important biodiversity. This paper attempts to model the natural occurrence (distribution including those areas with natural forests before being converted to other land uses as opposed to current distribution) of dipterocarp species in Sarawak which is important for forest biodiversity conservation and management. Local modeling method of Inverse Distance Weighting was compared with commonly used statistical method (Binary Logistic Regression) to build the best natural distribution models for three genera (12 species) of dipterocarps. Database of species occurrence data and pseudoabsence data were constructed and divided into two halves for model building and validation. For logistic regression modeling, climatic, topographical and edaphic parameters were used. Proxy variables were used to represent the parameters which were highly (p>0.75) correlated to avoid over-fitting. The results show that Inverse Distance Weighting produced the best and consistent prediction with an average accuracy of over 80%. This study demonstrates that local interpolation method can be used for the modeling of natural distribution of dipterocarp species. The Inverse Distance Weighted was proven a better method and the possible reasons are discussed.

Fighting Cancer with Corroles

Teo, Ruijie D.,Hwang, Jae Youn,Termini, John,Gross, Zeev,Gray, Harry B. American Chemical Society 2017 Chemical reviews Vol.117 No.4

<P>Corroles are exceptionally promising platforms for the development of agents for simultaneous cancer-targeting imaging and therapy. Depending on the element chelated by the corrole, these theranostic agents may be tuned primarily for diagnostic or therapeutic function. Versatile synthetic methodologies allow for the preparation of amphipolar derivatives, which form stable noncovalent conjugates with targeting biomolecules. These conjugates can be engineered for imaging and targeting as well as therapeutic function within one theranostic. assembly. In this review, we begin with a brief outline of corrole chemistry that has been uniquely useful in designing corrole-based anticancer agents. Then we turn attention to the early literature regarding corrole anticancer activity, which commenced one year after the first scalable synthesis was reported (1999-2000). In 2001, a major advance was made with the introduction of negatively charged corroles, as these molecules, being amphipolar, form stable conjugates with many proteins. More recently, both cellular uptake and intracellular trafficking of metallocorroles have been documented in experimental investigations employing advanced optical spectroscopic as well as magnetic resonance imaging techniques. Key results from work on both cellular and animal models are reviewed, with emphasis on those that have shed new light on the mechanisms associated with anticancer activity. In closing, we predict a very bright future for corrole anticancer research, as it is experiencing exponential growth, taking full advantage of recently developed imaging and therapeutic modalities.</P>

Effect of Unsaturation on the Stability of C₁₈ Polyunsaturated Fatty Acids Vesicles Suspension in Aqueous Solution

Teo, Yin Yin,Misran, Misni,Low, Kah Hin,Zain, Sharifuddin Md. Korean Chemical Society 2011 Bulletin of the Korean Chemical Society Vol.32 No.1

Degree of unsaturation in fatty acid molecules plays an important role in the formation of vesicles. Vesicle formation from C18 fatty acids with different amount of double bonds such as oleic acid, linoleic acid and linolenic acid with the incorporation of 1,2-dipalmitoyl-sn-glycerol-3-phosphoethanolamine-N-[methoxy(polyethylene glycol)-2000] (DPPE-PEG2000) have been examined by TEM. Critical vesicular concentrations (CVC) of the vesicle suspension are determined by turbidity and surface tension methods. The CVC of fatty acids increases when the amount of unsaturation in the alkyl chain increases. On the other hand, stability of vesicle suspension has been examined by using particle size and zeta potential at $30^{\circ}C$. There was a dramatic decrease in particle size measurement from mono-unsaturation to tri-unsaturation which could be due to the effect of fluidity in the membrane bilayer caused by different degree of unsaturation. The values of zeta potential for vesicles that were formed without the incorporation of DPPE-PEG2000 were in the range of -70 mV to -100 mV. It has been observed that the incorporation of DPPEPEG2000 to the vesicle reduces the magnitude of zeta potential. However, this phenomenon does not obviously seen in fatty acid vesicles formed by linoleate-linoleic acid and linolenate-linolenic acid. We therefore conclude that the addition of DPPE-PEG2000 does not effectively improve the stability of the linoleate-linoleic acid and linolenatelinolenic acid vesicle at pH 9.0 after the evaluation of their particle size and zeta potential over a period of 30 days. Although the vesicles formed were not stable for more than 10 days, they have displayed the potential in encapsulating the active ingredients such as vitamin E and calcein. The results show that the loading efficiencies of vitamin E are of encouraging value.

Framework for Evaluating Co₂ Emissions of Buildings within Singapore's Building Sector: A Review Article

Teo, Evelyn Ai-Lin,Lin, Guangming Sustainable Building Research Center 2010 International journal of sustainable building tech Vol.1 No.2

Carbon dioxide emitted from the building industry contributes significantly to anthropogenic greenhouse gases emissions. No consensus on the magnitude of building-related $CO_2$ emissions, however, was reached in the literature. This research aims to develop a Carbon Database Management System for evaluating carbon emissions of buildings in Singapore. This study presents a comprehensive literature survey pertinent to building-related carbon emissions. The findings show that different $CO_2$ estimation approaches, variance in the definition of system boundaries, and variance in the use of functional units are instrumental in explaining the disagreement of $CO_2$ estimation results. A conceptual framework for predicting the environmental performance (carbon index) and the economic performance (carbon tender price index) for new construction is then presented. The proposed framework may inspire the local government and environmental agencies to update Singapore's construction codes and environmental policies, with the aim to encourage the application of low-carbon practices and technologies to the building sector in Singapore. It would also offer an implication for other countries that encounter similar challenges.

Progress toward optimal quantum tomography with unbalanced homodyning

Teo, Y. S.,Jeong, H.,Sá,nchez-Soto, L. L. American Physical Society 2017 Physical Review A Vol.96 No.4

<P>Balanced homodyning, heterodyning, and unbalanced homodyning are three well-known sampling techniques used in quantum optics to characterize photonic sources in the continuous-variable regime. We show that for all quantum states and all observable-parameter tomography schemes, which includes reconstructions of arbitrary operator moments and phase-space quasidistributions, localized sampling with unbalanced homodyning is always tomographically more powerful (gives more accurate estimators) than delocalized sampling with heterodyning. The latter is recently known to often give more accurate parameter reconstructions than conventional marginalized sampling with balanced homodyning. This result also holds for realistic photodetectors with subunit efficiency. With examples from first-through fourth-moment tomography, we demonstrate that unbalanced homodyning can outperform balanced homodyning when heterodyning fails to do so. This new benchmark takes us one step towards optimal continuous-variable tomography with conventional photodetectors and minimal experimental components.</P>

The Optimal Depth of Central Venous Catheter by Using Transesophageal Echocardiography for Pediatric Patients

Teo Jeon Shin,Seung Joo Yoon,Chong Doo Park,Chong Sung Kim,Seong Deok Kim 대한마취과학회 2005 Korean Journal of Anesthesiology Vol.48 No.6