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Elucidation of antioxidant compounds recovery capacity from “Cẩm” purple rice bran by different sustainable extraction techniques
(2024-07-01)
Loan, Le Thi Kim
;
Vinh, Bui The
;
Tai, Ngo Van
“Cẩm” rice is a pigmented rice with the purple color that was well known as local cultivar in Tien Giang province (Vietnam). The bran of this rice is usually not properly used; however, it contains rich antioxidants that could be utilized for demanding healthy and nutritional foods. This study is aimed to study the different green and sustainable extraction methods for rice bran’s antioxidants, including microwave-assisted extraction (MAE), ultrasound-assisted extraction (UAE), ultrasound followed by microwave (U+MAE), microwave followed by ultrasound (M+UAE), and conventional method as the control. The results showed that high extraction efficiency was found when Cẩm rice bran was extracted with the aid of sustainable extraction techniques such as sonication or microwave. The study also reported that dual synergistic-assisted extraction presented a higher content of bioactive compounds and their antioxidant activities compared with single-assisted extraction. In addition, U+MAE was shown to have a higher capacity to extract and maintain antioxidant activities than M+UAE. This study provides the fundamental information for further application and optimization process of extract of antioxidant compounds from Cẩm rice bran, as source of antioxidant and nutraceutical ingredient.
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DEVELOPMENT OF A STRUCTURAL EQUATION MODEL OF THE VARIABLES AFFECTING THE ORGANIZATIONAL PERFORMANCE OF THE MASS RAPID TRANSIT SYSTEMS OF THAILAND
(2024-01-01)
Punthupeng, Sutep
;
Phimolsathien, Thepparat
Introduction: The development of the Thai transport system in the future must be based on the advancement of three aspects: personnel, technology, and research and development must be promoted for the operation of efficient innovative tools and management as key mechanisms in the transport system’s development. The master plan of the Ministry of Transport under Strategy 5 for the development of the Thai transport system within 20 years (2017-2036) stated about the need for and initiation of technology and innovation, as well as the promotion of research and development for the application of rapid advancements within these aspects so to develop the transport infrastructure and management, which would engender higher efficiency of future transport as well. Technology is required and is suitable for the analysis and evaluation of performance in the view of safety technological innovation for subway station construction. Objective: The main objective was to explore the development, congruence, and the indirect direct, and total effects of the variables affecting the organizational performance of the mass rapid transit systems of Thailand Method: This is quantitative research, collecting data from 385 executives and chiefs of organizations relating to the mass railway transit systems and private manufacturers participating in the project with state enterprise agencies. Result: Relationship between the two variables and among the multiple variables in conjunction with the estimation of the effects of the variables, which were obtained from the regression coefficients (coef.) of each individual relationship path following the hypothesis. The results indicated that all C.R. (t-test) values were statistically significant (> 1.96). Thus, every hypothesis was supported. Technology directly affects organizational performance (coef. = 0.143, p < 0.05). Technology directly affects innovation (coef. = 0.370, p < 0.001). Technology directly affects research and development (coef. = 0.786, p < 0.001). Research and development directly affects innovation (coef. = 0.624, p < 0.001). Research and development directly affects organizational performance (coef. = 0.449, p < 0.001). Innovation directly affects organizational performance (coef. = 0.372, p < 0.01). Conclusion: Technology, innovation, and research and development truly affect organizational performance. The industrial sector should be more encouraged to participate in technology learning and to step into the manufacturing chain for the development of Thailand’s rail transport system. This would also save foreign currency, create employment opportunities in the country, and have continual economic effects for the national monetary circulation, which would eventually pave the way to the enhancement as well as development of the people’s abilities in the future.
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Performance of compositions with obsolete technologies: A case study for john cage's imaginary landscapes No. 1
(2020-07-01)
Ergener, Kerem
This article outlines the research on how compositions made with old technology can be performed today. John Cage's Imaginary Landscapes No. 1 has taken as a case study and approaches on how to perform the piece has been investigated. Approaches can be taken for new compositions that uses electronic instruments carries at most importance for the composition's relevance for the following centuries. The discussion covers on the different approaches on investigating such piece for performance and how the most authentic performance can be achieved. This research is made through spectrum analyzes of period and modern recording and personal experience of performance.
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In-Service Teachers’ Conception of Creativity and Its Relation with Technology: A Perspective from Thailand
(2020-04-01)
Hung, Woei
;
Sitthiworachart, Jirarat
Recognizing its importance, most countries have prioritized creative thinking as a critical ability that students need to develop before they enter the workforce. Thailand is no exception. For teachers to create learning environments that foster students’ creativity, teachers need a research-based understanding of creativity. Eighty-nine Thai in-service teachers responded to an online questionnaire that surveyed their conceptions of creativity and use of technology to foster creativity in their classrooms. The results of the survey revealed that the Thai in-service teachers were less readily recognizing the mini-c and Pro-c. Also, they did not seem to deem originality/novelty as a necessary criterion for creativity. More results of the survey will be further discussed.
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