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2. Convolutional neural networks can detect orthostatic hypotension in Parkinson's disease using resting‐state functional near‐infrared spectroscopy data.

Author

Lee, Seung Hyun, Paik, Seung‐Ho, Kang, Shin‐Young, Phillips, Zephaniah, Kim, Jung Bin, Kim, Byung‐Jo, and Kim, Beop‐Min

Abstract

Neurological disorders such as Parkinson's disease (PD) often adversely affect the vascular system, leading to alterations in blood flow patterns. Functional near‐infrared spectroscopy (fNIRS) is used to monitor hemodynamic changes via signal measurement. This study investigated the potential of using resting‐state fNIRS data through a convolutional neural network (CNN) to evaluate PD with orthostatic hypotension. The CNN demonstrated significant efficacy in analyzing fNIRS data, and it outperformed the other machine learning methods. The results indicate that judicious input data selection can enhance accuracy by over 85%, while including the correlation matrix as an input further improves the accuracy to more than 90%. This study underscores the promising role of CNN‐based fNIRS data analysis in the diagnosis and management of the PD. This approach enhances diagnostic accuracy, particularly in resting‐state conditions, and can reduce the discomfort and risks associated with current diagnostic methods, such as the head‐up tilt test. [ABSTRACT FROM AUTHOR]

Published
2024
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8. Authenticity in heritage festivals in South Korea

Author

Kang, Shin-Young, Coles, Tim, and Shaw, Gareth

Subjects
658, Perception of Authenticity, Cultural Heritage Festivals
Abstract

The aim of this study is to explore the role of authenticity in heritage festivals in Korea. It compares and critically evaluates the commodification of heritage festivals in Korea by investigating the tourists’, the performers’ (ethnic community) and the policy makers’ perceptions of authenticity based on comparative case studies and detailed empirical investigations of two contrasting heritage festivals in Korea. As one of the most debated issues in heritage tourism, authenticity has been an important topic of discussion. However, current authenticity research has been dominated by the naturalistic tradition with a strong emphasis on theory building. This study addresses the gap between conceptual and detailed empirical research in the area of authenticity. Therefore, this study identified stakeholders; visitors, performers and policy makers’ perception of authenticity in two comparative cultural heritage festival. The Baudeogi Festival in Anseong was selected as the first case study as it is representative of a commodified heritage festival. The Baudeogi Festival was started under deliberate government strategy in 2001 to promote local development. The second cases study, the Danoje Festival in Gangneung, was selected as representative of ancient forms of festivals. The Danoje festival is preserved and inherited from generation to generation for centuries by the local community and was registered as world intangible heritage by UNESCO in 2005. 800 visitor surveys were conducted with 17 interviews from festival performers and policymakers in both case festivals to identify their motivations for participating and their perceptions of authenticity. Several important findings emerged. Firstly, visitors’ characteristics at both festivals showed slight differences reflecting the character of the local area. Danoje visitors were younger than Baudeogi visitors while most Baudeogi visitors were with a family group whereas Danoje visitors also had a considerable number of friend/colleague groups. Regarding motivation, Baudeogi visitors generally showed stronger motivation than Danoje visitors about heritage festival visitation. The motivation to visit heritage festival were reduced through factor analysis to four each dimensions: cultural learning; escape/family togetherness; the need for authenticity; and enjoyment/socialisation factor at Baudeogi while enjoyment/novelty authenticity/cultural learning, family togetherness escape/socialisation were divers to those attending in the Danoje Festival. Secondly, authenticity was understood differently by stakeholders. Among visitors’ motivation, existential authenticity was identified as a strongest predictor for overall satisfaction from both festivals. Otherwise, performers and policy makers largely showed objective-related authenticity providers of the festival. However, there were tactical variations: performers and policy makers displayed existential authenticity as a means of engineering visitor satisfaction. Furthermore, the commodified Baudeogi festival was commonly perceived as staged authenticity (Cohen 1979) by visitors, where performers and local government viewed it as real in a staged setting whereas central and regional government perceived it as contrived authenticity, as a staged festival. In contrast, Gangneung Danoje Festival was perceived as an authentic experience by all levels of governments and by performers as real in a real setting, while it was perceived as denial of authenticity by visitors as staged festival. This result indicated that the perception of authenticity was identified as depending on personal judgement (Cohen 1988). Finally, through linear multiple regression analysis, visitors’ motivation and perception of authenticity was identified as an influence to visitors’ post-trip behaviours (satisfaction, recommendation and revisit). For the Danoje Festival, visitors’ perception of authenticity showed effective causal relationship to visitors’ intention of recommendation. Also, visitor satisfaction more strongly affected to intention of recommend and revisit. Keywords: Local Cultural Heritage Festival, Perception of Authenticity, Commodification, Stakeholders, Motivation, Satisfaction

Published
2013

11. Magnesium- and intermetallic alloys-based hydrides for energy storage: Modelling, synthesis and properties

Author

Pasquini, Luca, Sakaki, Kouji, Akiba, Etsuo, Allendorf, Mark D., Alvares, Ebert, Babai, Dotan, Baricco, Marcello, Bereznitsky, Matvey, Buckley, Craig E., Cho, Young Whan, Cuevas, Fermin, De Rango, Patricia, Dematteis, Erika Michela, Denys, Roman V., Dornheim, Martin, Hariyadi, Arif, Heo, Tae Wook, Hirscher, Michael, Humphries, Terry D., Huot, Jacques, Jacob, Isaac, Jensen, Torben R., Jerabek, Paul, Kang, Shin Young, Keilbart, Nathan, Kim, Hyunjeong, Latroche, Michel, Leardini, F., Li, Haiwen, Ling, Sanliang, Lototskyy, Mykhaylo V., Mullen, Ryan, Orimo, Shin Ichi, Paskevicius, Mark, Pistidda, Claudio, Polanski, Marek, Rabkin, Eugen, Sahlberg, Martin, Sartori, Sabrina, Santhosh, Archa, Sato, Toyoto, Shneck, Roni Z., Shang, Yuanyuan, Stavila, Vitalie, Suh, Jin Yoo, Suwarno, Suwarno, Thi Thu, Le, Wan, Liwen F., Webb, Colin J., Witman, Matthew, Wan, Chubin, Wood, Brandon C., and Yartys, Volodymyr A.

Subjects
General Earth and Planetary Sciences, General Environmental Science
Abstract

Hydrides based on magnesium and intermetallic compounds provide a viable solution to the challenge of energy storage from renewable sources, thanks to their ability to absorb and desorb hydrogen in a reversible way with a proper tuning of pressure and temperature conditions. Therefore, they are expected to play an important role in the clean energy transition and in the deployment of hydrogen as an efficient energy vector. This review, by experts of Task 40 'Energy Storage and Conversion based on Hydrogen' of the Hydrogen Technology Collaboration Programme of the International Energy Agency, reports on the latest activities of the working group 'Magnesium- and Intermetallic alloys-based Hydrides for Energy Storage'. The following topics are covered by the review: multiscale modelling of hydrides and hydrogen sorption mechanisms; synthesis and processing techniques; catalysts for hydrogen sorption in Mg; Mg-based nanostructures and new compounds; hydrides based on intermetallic TiFe alloys, high entropy alloys, Laves phases, and Pd-containing alloys. Finally, an outlook is presented on current worldwide investments and future research directions for hydrogen-based energy storage.

Published
2022

14. Hydrogen storage in complex hydrides: past activities and new trends

Author

Dematteis, Erika Michela, primary, Amdisen, Mads B, additional, Autrey, Tom, additional, Barale, Jussara, additional, Bowden, Mark E, additional, Buckley, Craig E, additional, Cho, Young Whan, additional, Deledda, Stefano, additional, Dornheim, Martin, additional, de Jongh, Petra, additional, Grinderslev, Jakob B, additional, Gizer, Gökhan, additional, Gulino, Valerio, additional, Hauback, Bjørn C, additional, Heere, Michael, additional, Heo, Tae Wook, additional, Humphries, Terry D, additional, Jensen, Torben R, additional, Kang, Shin Young, additional, Lee, Young-Su, additional, Li, Hai-Wen, additional, Li, Sichi, additional, Møller, Kasper T, additional, Ngene, Peter, additional, Orimo, Shin-ichi, additional, Paskevicius, Mark, additional, Polanski, Marek, additional, Takagi, Shigeyuki, additional, Wan, Liwen, additional, Wood, Brandon C, additional, Hirscher, Michael, additional, and Baricco, Marcello, additional

Published
2022
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15. Hydrogen storage in complex hydrides: Past activities and new trends

Author

Dematteis, Erika Michela, Amdisen, Mads B., Autrey, Tom, Barale, Jussara, Bowden, Mark E., Buckley, Craig E., Cho, Young Whan, Deledda, Stefano, Dornheim, Martin, De Jongh, Petra, Grinderslev, Jakob B., Gizer, Gökhan, Gulino, Valerio, Hauback, Bjørn C., Heere, Michael, Heo, Tae Wook, Humphries, Terry D., Jensen, Torben R., Kang, Shin Young, Lee, Young Su, Li, Hai Wen, Li, Sichi, Møller, Kasper T., Ngene, Peter, Orimo, Shin Ichi, Paskevicius, Mark, Polanski, Marek, Takagi, Shigeyuki, Wan, Liwen, Wood, Brandon C., Hirscher, Michael, Baricco, Marcello, Dematteis, Erika Michela, Amdisen, Mads B., Autrey, Tom, Barale, Jussara, Bowden, Mark E., Buckley, Craig E., Cho, Young Whan, Deledda, Stefano, Dornheim, Martin, De Jongh, Petra, Grinderslev, Jakob B., Gizer, Gökhan, Gulino, Valerio, Hauback, Bjørn C., Heere, Michael, Heo, Tae Wook, Humphries, Terry D., Jensen, Torben R., Kang, Shin Young, Lee, Young Su, Li, Hai Wen, Li, Sichi, Møller, Kasper T., Ngene, Peter, Orimo, Shin Ichi, Paskevicius, Mark, Polanski, Marek, Takagi, Shigeyuki, Wan, Liwen, Wood, Brandon C., Hirscher, Michael, and Baricco, Marcello

Abstract

Intense literature and research efforts have focussed on the exploration of complex hydrides for energy storage applications over the past decades. A focus was dedicated to the determination of their thermodynamic and hydrogen storage properties, due to their high gravimetric and volumetric hydrogen storage capacities, but their application has been limited because of harsh working conditions for reversible hydrogen release and uptake. The present review aims at appraising the recent advances on different complex hydride systems, coming from the proficient collaborative activities in the past years from the research groups led by the experts of the Task 40 'Energy Storage and Conversion Based on Hydrogen' of the Hydrogen Technology Collaboration Programme of the International Energy Agency. An overview of materials design, synthesis, tailoring and modelling approaches, hydrogen release and uptake mechanisms and thermodynamic aspects are reviewed to define new trends and suggest new possible applications for these highly tuneable materials.

Published
2022

16. Hydrogen storage in complex hydrides: Past activities and new trends

Author

Sub Materials Chemistry and Catalysis, Materials Chemistry and Catalysis, Dematteis, Erika Michela, Amdisen, Mads B., Autrey, Tom, Barale, Jussara, Bowden, Mark E., Buckley, Craig E., Cho, Young Whan, Deledda, Stefano, Dornheim, Martin, De Jongh, Petra, Grinderslev, Jakob B., Gizer, Gökhan, Gulino, Valerio, Hauback, Bjørn C., Heere, Michael, Heo, Tae Wook, Humphries, Terry D., Jensen, Torben R., Kang, Shin Young, Lee, Young Su, Li, Hai Wen, Li, Sichi, Møller, Kasper T., Ngene, Peter, Orimo, Shin Ichi, Paskevicius, Mark, Polanski, Marek, Takagi, Shigeyuki, Wan, Liwen, Wood, Brandon C., Hirscher, Michael, Baricco, Marcello, Sub Materials Chemistry and Catalysis, Materials Chemistry and Catalysis, Dematteis, Erika Michela, Amdisen, Mads B., Autrey, Tom, Barale, Jussara, Bowden, Mark E., Buckley, Craig E., Cho, Young Whan, Deledda, Stefano, Dornheim, Martin, De Jongh, Petra, Grinderslev, Jakob B., Gizer, Gökhan, Gulino, Valerio, Hauback, Bjørn C., Heere, Michael, Heo, Tae Wook, Humphries, Terry D., Jensen, Torben R., Kang, Shin Young, Lee, Young Su, Li, Hai Wen, Li, Sichi, Møller, Kasper T., Ngene, Peter, Orimo, Shin Ichi, Paskevicius, Mark, Polanski, Marek, Takagi, Shigeyuki, Wan, Liwen, Wood, Brandon C., Hirscher, Michael, and Baricco, Marcello

Published
2022

29. A study for the relation between Participation in leisure Activities and Social Adaptability of North Korean Refuges in Canada

Author

Kim Kyoung Bae, Kang， shin-young, and MunKwinam

Subjects
Psychology, Social psychology
Abstract

남한에 거주하고 있는 북한이탈주민의 수는 3만명이 넘고 있으며, 남한에 적응하지 못하고 매해 다시 국외로 출국하는 북한이탈주민의 수가 증가하고 있는 실정이다. 과거에는 북한에서 경제적 요인으로 인해 하위계층의 탈북이 있었으나, 최근에는 정치체제불만과 자유동경 등의 이유로 중산층 이상의 북한이탈주민이 증가하는 추세변화가 생겼으며, 또한 남한에서 북한이탈주민들은 이질감과 사회적 정체성으로 정착에 어려움을 겪고 이에 따라 평등함과 편안함을 위해 캐나다 등 해외에 정착을 시도하는 북한이탈주민들이 늘고 있는 실정이다. 기존 연구에서 난민신분으로 그 나라에 정착하기 위해 여가 생활의 만족이 중요한 요인으로 나타나고 있으며 이에 본 연구에서는 북한이탈주민들이 겪고 있는 여가 제약요인과 여가 활동을 캐나다에 거주하고 있는 북한이탈주민들을 반구조화 된 인터뷰와 누적표본추출법에 의해 인터뷰하였다. 또한, 컨텐츠 분석을 통해 여가활동과 사회적응과의 관계, 그리고, 여가에 대한 제약 요인을 규명하였다.

Published
2018
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32. Chemical Constituents from the Aerial Parts of Agastache rugosa and Their Inhibitory Activities on Prostaglandin E2 Production in Lipopolysaccharide-Treated RAW 264.7 Macrophages

Author

Seo, Young H., primary, Kang, Shin-Young, additional, Shin, Ji-Sun, additional, Ryu, Seung M., additional, Lee, A Y., additional, Choi, Goya, additional, Moon, Byeong C., additional, Jang, Dae-Sik, additional, Shim, Sang H., additional, Lee, Dongho, additional, Lee, Kyung-Tae, additional, and Lee, Jun, additional

Published
2019
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35. Synthesis of New Triarylpyrazole Derivatives Possessing Terminal Sulfonamide Moiety and Their Inhibitory Effects on PGE2 and Nitric Oxide Productions in Lipopolysaccharide-Induced RAW 264.7 Macrophages

Author

Abdel-Maksoud, Mohammed S., primary, El-Gamal, Mohammed I., additional, Gamal El-Din, Mahmoud M., additional, Choi, Yunji, additional, Choi, Jungseung, additional, Shin, Ji-Sun, additional, Kang, Shin-Young, additional, Yoo, Kyung Ho, additional, Lee, Kyung-Tae, additional, Baek, Daejin, additional, and Oh, Chang-Hyun, additional

Published
2018
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38. Sputter‐grown GeTe/Sb2Te3 superlattice interfacial phase change memory for low power and multi‐level‐cell operation.

Author

Jin, Soo‐Min, Kang, Shin‐Young, Kim, Hea‐Jee, Lee, Ju‐Young, Nam, In‐Ho, Shim, Tae‐Hun, Song, Yun‐Heub, and Park, Jea‐Gun

Subjects
*SPUTTERING (Physics), *PHASE change memory, *SEMICONDUCTOR storage devices, *SUPERLATTICES, *SPUTTER deposition
Abstract

The multi‐level feature of GeTe/Sb2Te3 interfacial phase change memory was achieved by applying a designed voltage‐based pulse. It stably demonstrated five multi‐level states without interference for 90 cycles by varying the pulse width. GeTe/Sb2Te3 interfacial phase change memory demonstrated retention time of > 1.0 × 103 s, presenting the significantly low drift coefficient (ν) of < 0.009, indicating no resistivity drift due to the structure relaxation of glass. In addition, the reset energy consumption of GeTe/Sb2Te3 interfacial phase change memory was reduced by more than 85% compared to conventional Ge2Sb2Te5 phase change memory at each bottom electrode contact size. Multi‐level‐cell operation mechanism and gradual increase in conductance value of GeTe/Sb2Te3 interfacial phase change memory was explained by a partial resistance transition model where phase transition occurred partially in all layers. The result of the GeTe/Sb2Te3 interfacial phase change memory performance is expected to bring great advantages to the next‐generation storage class memory industry that requires low energy and high density. [ABSTRACT FROM AUTHOR]

Published
2022
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46. Colloidal Template Synthesis of Nanomaterials by Using Microporous Organic Nanoparticles: The Case of C@MoS2 Nanoadsorbents.

Author

Kang, Shin Young, Kang, Chang Wan, Kim, Dong Wook, Myung, Yoon, Choi, Jaewon, Lee, Sang Moon, Kim, Hae Jin, Ko, Yoon‐Joo, and Son, Seung Uk

Subjects
*NANOSTRUCTURED materials, *MICROPOROSITY, *HEAT treatment, *NANOPARTICLES, *METHYLENE blue, *BASIC dyes, *ORGANIC conductors
Abstract

The so‐called colloidal template synthesis has been applied to the preparation of surface‐engineered nanoadsorbents. Colloidal microporous organic network nanotemplates (C‐MONs), which showed a high surface area (611 m2 g−1) and enhanced microporosity, were prepared through the networking of organic building blocks in the presence of poly(vinylpyrrolidone) (PVP). Owing to entrapment of the PVP in networks, the C‐MONs showed good colloidal dispersion in EtOH. MoS2 precursors were incorporated into the C‐MONs and heat treatment afforded core–shell‐type C@MoS2 nanoparticles with a diameter of 80 nm, a negative zeta potential (−39.5 mV), a high surface area (508 m2 g−1), and excellent adsorption performance towards cationic dyes (qmax=343.6 and 421.9 mg g−1 for methylene blue and rhodamine B, respectively). [ABSTRACT FROM AUTHOR]

Published
2019
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50. Chemical Constituents from the Aerial Parts of Agastache rugosaand Their Inhibitory Activities on Prostaglandin E2Production in Lipopolysaccharide-Treated RAW 264.7 Macrophages

Author

Seo, Young H., Kang, Shin-Young, Shin, Ji-Sun, Ryu, Seung M., Lee, A Y., Choi, Goya, Moon, Byeong C., Jang, Dae-Sik, Shim, Sang H., Lee, Dongho, Lee, Kyung-Tae, and Lee, Jun

Abstract

A new flavone glucoside, acacetin-7-O-(3″-O-acetyl-6″-O-malonyl)-β-d-glucopyranoside (1), two new phenolic glucosides, (3R,7R)-tuberonic acid-12-O-[6′-O-(E)-feruloyl]-β-d-glucopyranoside (14) and salicylic acid-2-O-[6′-O-(E)-feruloyl]-β-d-glucopyranoside (15), and two new phenylpropanoid glucosides, chavicol-1-O-(6′-O-methylmalonyl)-β-d-glucopyranoside (17) and chavicol-1-O-(6′-O-acetyl)-β-d-glucopyranoside(18), as well as 26 known compounds, 2–13, 16, and 19–31, were isolated from the aerial parts of Agastache rugose. The structures of the new compounds were established by spectroscopic/spectrometric methods such as HRESIMS, NMR, and ECD. The anti-inflammatory effect of the isolated compounds was evaluated by measuring their inhibitory activities on prostaglandin E2(PGE2) in lipopolysaccharide (LPS)-treated RAW 264.7 macrophages. New compounds 1, 15, 17, and 18inhibited LPS-induced PGE2production with IC50values of 16.8 ± 0.8, 33.9 ± 4.8, 14.3 ± 2.1, and 48.8 ± 4.4 μM, respectively. Compounds 5, 7, 9−11, 13, 19, 20, 22, and 27–30showed potent inhibitory activities with IC50values of 1.7–8.4 μM.

Published
2019
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