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An Empirical Study on Technology Acceptance for e-Commerce in Developing Countries
Gilbert M. Tumibay,Chong-Su Kim,Hyun-Seung Oh,Kyeongtaek Kim 한국산업경영시스템학회 2009 한국산업경영시스템학회 학술대회 Vol.2009 No.추계
As e-commerce such as online shopping continues to become a popular option, consumers are increasingly moving from traditional stores to online sites. However, the adoption of B2C e-commerce and related technologies so far has mostly been limited to developed countries. It has been relatively slower in the rest of the world. The acceptance for B2C e-commerce in developing countries is relatively not active. To understand this properly, a comprehensive model describing the factors that drive customers to accept B2C e-commerce is required. In this paper, a TAM-based theoretical model is proposed and tested to explain the information technology acceptance of B2C e-commerce in developing countries. The results show that the basic TAM beliefs are supported. PU and PEOU determine a person's attitude toward using B2C e-commerce, which in turn determines their intention to use it. The antecedents show a different form of influence from that of developed countries. The results of this work would be useful for both academic societies and online e-commerce practitioners, helping them to better comprehend customers' online shopping behavior.
The Role of Northeast Asian Cities in a Global Urban Network
Gilbert Rozman 한국지역학회 1999 지역연구 Vol.15 No.2
This paper identifies five factors that limited urban network formation in Northeast Asia over the past half millennium, questions the extent to which they are being overcome in the 1990s, and sketches a new network of cities that could boost regionalism. It briefly traces the historical evolution of these factors, including comparisons with European integration, while focusing primarily on the policies of the 1990s that have affected their continuing role. First is the factor of closed national markets with weak regional integration. Second is the preeminence of administrative means of integration over commercial ones. Third is the character of localism, shackled by overcentralization and weak cross-border linkages. Fourth is the limited nature of internationalism, dominated by state catch-up policies with one-sided global involvement. Fifth is a lack of regional consciousness. Just as national urban integration was essential for regional networks to form, without regional integration it is difficult to contemplate Northeast Asian cities taking their rightful place in a global urban network. After noting the failures of the 1990s, the paper points to the potential role as dragon`s heads for sub-regional urban networks of potential front-line cities: Tumen, Sapporo, Irkutsk, and what I call the Amur triangle . Also of interest are how the capitals of Beijing, Moscow, Seoul, and Tokyo will adjust to a transformed urban network. After all, their current skepticism must be overcome with a program that links the benefits on all sides in order to build trust in regionalism. This requires internationalism and symbols of a balanced approach to each country`s needs.
Cyclodextrin-carbon nanotube composites for fluorescent detection of cholesterol
Gilbert, Simeon,Jeong, Hae Kyung,Dowben, P.A. Elsevier 2017 Chemical physics letters Vol.687 No.-
<P>The efficiency of cyclodextrin-carbon nanotube composites (CD-CNT) for cholesterol detection was investigated using their fluorescent yields in the presence of rhodamine 6G (R6G). The CD-CNT composites using alpha-, beta- and gamma-cyclodextrin (x-CD) all showed strong fluorescent responses to cholesterol when in the presence of R6G. The alpha-CD based composites, however, exhibit more dramatic fluorescent changes in response to cholesterol, over a wider range of cholesterol concentrations, and also display the highest binding constant of 2.98 x 10(5) M-1 with cholesterol. The effectiveness of these fluorescent responses for the detection of cholesterol depends primarily on the concentration and cavity size of the CD. (C) 2017 Elsevier B.V. All rights reserved.</P>