Zobrazeno 1 - 10
of 187
pro vyhledávání: '"J. Andrew Yeh"'
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-14 (2022)
Abstract Volatile organic compounds (VOCs) present in exhaled breath can help in analysing biochemical processes in the human body. Liver diseases can be traced using VOCs as biomarkers for physiological and pathophysiological conditions. In this wor
Externí odkaz:
https://doaj.org/article/32e6099400924321b05bb60125d32533
Autor:
Hsin-Yi Tsai, Chih-Ning Hsu, Cheng-Ru Li, Yu-Hsuan Lin, Wen-Tse Hsiao, Kuo-Cheng Huang, J. Andrew Yeh
Publikováno v:
Micromachines, Vol 12, Iss 1, p 44 (2021)
Indium tin oxide (ITO) is widely used as a substrate for fabricating chips because of its optical transparency, favorable chemical stability, and high electrical conductivity. However, the wettability of ITO surface is neutral (the contact angle was
Externí odkaz:
https://doaj.org/article/48cfe8ba68514af6aa02822d66787b90
Publikováno v:
Sensors, Vol 18, Iss 11, p 3887 (2018)
Ammonia is an essential biomarker for noninvasive diagnosis of liver malfunction. Therefore, selective detection of ammonia is essential for medical application. Here, we demonstrate a portable device to selectively detect sub-ppm ammonia gas. The pr
Externí odkaz:
https://doaj.org/article/d922f875a8e24be9aefc46b2acbae1f3
Publikováno v:
Sensors, Vol 12, Iss 8, Pp 10881-10889 (2012)
This paper presents a new actuation mechanism to drive comb-drive actuators. An asymmetric configuration of the finger overlap was used to generate capacitive coupling for the actuation mechanism. When the driving voltages were applied on the stators
Externí odkaz:
https://doaj.org/article/8b038e9a60e3497ea36a173046c9ee44
Publikováno v:
Sensors, Vol 12, Iss 6, Pp 7157-7168 (2012)
An indium nitride (InN) gas sensor of 10 nm in thickness has achieved detection limit of 0.4 ppm acetone. The sensor has a size of 1 mm by 2.5 mm, while its sensing area is 0.25 mm by 2 mm. Detection of such a low acetone concentration in exhaled bre
Externí odkaz:
https://doaj.org/article/f9c7ceeb26c041c7a195aaf215dc01fd
Publikováno v:
International Journal of Automation and Smart Technology, Vol 2, Iss 1, Pp 49-54 (2012)
An Ultrathin (~10 nm) InN ion sensitive field effect transistor (ISFET) with gate regions functionalized with phosphotyrosine (p-Tyr) is proposed to detect calcium ions (Ca2+) in aqueous solution. The ISFET was miniaturized to a chip size of 1.1 mm b
Externí odkaz:
https://doaj.org/article/162a05f398834599bef580eff058d435
Autor:
Tzu-Chun Liao, J. Andrew Yeh
Publikováno v:
International Journal of Automation and Smart Technology, Vol 2, Iss 1, Pp 43-48 (2012)
A new kind of microdroplet-based biological protein sensor is presented. The sensor was made by placing silicon oil on gold film with a self-assembled monolayer (SAM). The surface tension dominates the sensitivity of the sensor. Using mercaptoundecan
Externí odkaz:
https://doaj.org/article/d97f77e0300d4defbe08e5c1d2edda40
Autor:
Shih-Jie Lo, Chen-Meng Kuan, Min-Wei Hung, Yun Fu, J. Andrew Yeh, Da-Jeng Yao, Chao-Min Cheng
Publikováno v:
Micromachines, Vol 9, Iss 8, p 418 (2018)
This article unveiled the development of an inexpensive, lightweight, easy-to-use, and portable fluorescence imaging device for paper-based analytical applications. We used commercial fluorescent dyes, as proof of concept, to verify the feasibility o
Externí odkaz:
https://doaj.org/article/4152da46285e4bd3bcb0225a8dd555e2
Publikováno v:
Sensors, Vol 16, Iss 6, p 902 (2016)
In this study, we mechanically strengthened a borosilicate glass wafer by doubling its bending strength and simultaneously enhancing its transparency using surface nanostructures for different applications including sensors, displays and panels. A fa
Externí odkaz:
https://doaj.org/article/52d05bc0476b413ea041ad6346bb39f7
Publikováno v:
International Journal of Photoenergy, Vol 2012 (2012)
Multicrystalline silicon (mc-Si) photovoltaic (PV) solar cells with nanoscale surface texturing by metal-nanoparticle-assisted etching are proposed to achieve high power efficiency. The investigation of average nanorod lengths from 100 nm to 1 μm re
Externí odkaz:
https://doaj.org/article/54444ab5af8f4d57a171e2ac988be351