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| 1 | Segregation vs aggregation in the loyalty program: the role of perceived uncertainty显示文摘 | Youjae Yi Hoseong Jeon Beomjoon Choi | 2013 | European Journal of Marketing2013，，8： | 1 |
| 2 | Fabrication of metallic microstructure on curved substrate by optical soft lithography and copper electroplating 显示文摘 | Jongho Park Hiroyuki Fujita Beomjoon Kim | 2011 | Sensors and Ac- tuators A : Physical2011，，168： | 1 |
| 3 | The role of on-line retailer brand and infomediary reputation in increasing consumer purchase intention显示文摘 | Wujin Chu Beomjoon Choi Mee Ryoung Song | 2005 | International Journal of Electron- ic Commerce2005，9，3： | 1 |
| 4 | Recent progress in silk fibroin-based flexible electronics显示文摘With the rapid development of the Internet of Things(loT)and the emergence of 5G,traditional silicon-based electronics no Ion ger fully meet market dema nds such as nonplanar application scenarios due to mechanical mismatch.This provides unprecedented opportunities for flexible electronics that bypass the physical rigidity through the introduction of flexible materials.In recent decades,biological materials with outstanding biocompatibility and biodegradability,which are considered some of the most promising candidates for next-generation flexible electronics,have received increasing attention,e.g.,silk fibroin,cellulose,pectin,chitosan,and melanin.Among them,silk fibroin presents greater superiorities in biocompatibility and biodegradability,and moreover,it also possesses a variety of attractive properties,such as adjustable water solubility,remarkable optical transmittance,high mechanical robustness,light weight,and ease of processing,which are partially or even completely lacking in other biological materials.Therefore,silk fibroin has been widely used as fundamental components for the construction of biocompatible flexible electronics,particularly for wearable and implantable devices.Furthermore,in recent years,more attention has been paid to the investigation of the functional characteristics of silk fibroin;such as the dielectric properties,piezoelectric properties,strong ability to lose electrons,and sensitivity to environmental variables.Here,this paper not only reviews the preparation technologies for various forms of silk fibroin and the recent progress in the use of silk fibroin as a fundamental material but also focuses on the recent advaneed works in which silk fibroin serves as functional components.Additi on ally,the challenges and future development of silk fibroin-based flexible electronics are summarized. | Dan-Liang Wen De-Heng Sun Peng Huang Wen Huang Meng Su Ya Wang Meng-Di Han Beomjoon Kim Juergen Brugger Hai-Xia Zhang Xiao-Sheng Zhang | 2021 | Microsystems & Nanoengineering2021，7，3： | 1 |
| 5 | Preliminary experimental study of a supercritical CO2 power cycle test loop with a high-speed turbo-generator using R134a under similarity conditions显示文摘 | Junhyun CHO Hyungki SHIN Jongjae CHO Young-Seok KANG Ho-Sang RA Chulwoo ROH Beomjoon LEE Gilbong LEE Byunghui KIM Young-Jin BAIK | 2017 | Frontiers in Energy2017，11，4： | 1 |
| 6 | Optimization of the fused deposition modeling-based fabrication process for polylactic acid microneedles显示文摘A microneedle(MN)array is a novel biomedical device adopted in medical applications to pierce through the stratum corneum while targeting the viable epidermis and dermis layers of the skin.Owing to their micron-scale dimensions,MNs can minimize stimulations of the sensory nerve fibers in the dermis layer.For medical applications,such as wound healing,biosensing,and drug delivery,the structure of MNs significantly influences their mechanical properties.Among the various microfabrication methods for MNs,fused deposition modeling(FDM),a commercial 3D printing method,shows potential in terms of the biocompatibility of the printed material(polylactic acid(PLA))and preprogrammable arbitrary shapes.Owing to the current limitations of FDM printer resolution,conventional micron-scale MN structures cannot be fabricated without a post-fabrication process.Hydrolysis in an alkaline solution is a feasible approach for reducing the size of PLA needles printed via FDM.Moreover,weak bonding between PLA layers during additive manufacturing triggers the detachment of PLA needles before etching to the expected sizes.Furthermore,various parameters for the fabrication of PLA MNs with FDM have yet to be sufficiently optimized.In this study,the thermal parameters of the FDM printing process,including the nozzle and printing stage temperatures,were investigated to bolster the interfacial bonding between PLA layers.Reinforced bonding was demonstrated to address the detachment challenges faced by PLA MNs during the chemical etching process.Furthermore,chemical etching parameters,including the etchant concentration,environmental temperature,and stirring speed of the etchant,were studied to determine the optimal etching ratio.To develop a universal methodology for the batch fabrication of biodegradable MNs,this study is expected to optimize the conditions of the FDM-based fabrication process.Additive manufacturing was employed to produce MNs with preprogrammed structures.Inclined MNs were successfully fabricated by FDM printing with chemical etching.This geometrical structure can be adopted to enhance adhesion to the skin layer.Our study provides a useful method for fabricating MN structures for various biomedical applications. | Libo Wu Jongho Park Yuto Kamaki Beomjoon Kim | 2021 | Microsystems & Nanoengineering2021，7，4： | 0 |
| 7 | Stretchable multifunctional sensor based on porous silver nanowire/silicone rubber conductive film显示文摘As one of the promising human–machine interfaces,wearable sensors play an important role in modern society,which advances the development of wearable fields,especially in the promising applications of electronic skin(e-skin),robotics,prosthetics,healthcare.In the last decades,wearable sensors tend to be capable of attractive capabilities such as miniaturization,multifunction,smart integration,wearable properties such as lightweight,flexibility,stretchability,conformability for wider applications.In this work,we developed a stretchable multifunctional sensor based on porous silver nanowire/silicone rubber conductive film(P-AgNW/SR).Its unique structural configuration,i.e.,an assembly of the P-AgNW/SR with good conductivity,stability,resistance response,the insulated silicone rubber layer,provided the feasibility for realizing multiple sensing capabilities.Specifically,porous microstructures of the P-AgNW/SR made the device to be used for pressure sensing,exhibiting outstanding dynamic and static resistive responsive behaviors and having a maximum sensitivity of 9.062%∙N^(−1) in a continuous compressive force range of~16 N.With the merit of the good piezoresistive property of AgNW/SR networks embedded into the surface of micropores of the P-AgNW/SR,the device was verified to be a temperature sensor for detecting temperature changes in the human body and environment.The temperature sensor had good sensitivity of 0.844%∙℃^(−1),high linearity of 0.999 in the range of 25–125℃,remarkable dynamic stability.Besides,the developed sensor was demonstrated to be a single electrode-triboelectric sensor for active sensing,owing to the unique assembly of the conductive PAgNW/SR electrode and the silicone rubber friction layer.Based on the coupling effect of the triboelectrification and electrostatic induction,the generated electrical signals could be used to sense the human motions,according to the quantitative correlation between the human motions and the features in amplitude and waveform of the output signals.Thus,the developed stretchable sensor successfully achieved the integration of two types of passive sensing capabilities,i.e.,pressure and temperature sensing,and one type of active sensing capability,i.e.,triboelectric sensing,demonstrating the feasibility of monitoring multiple variables of the human body and environment. | Hai-Tao Deng Dan-Liang Wen Jing-Rui Liu Xin-Ran Zhang Yi-Lin Wang Peng Huang Beomjoon Kim Xiao-Sheng Zhang | 2023 | Nano Research2023，16，5： | 0 |
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