Browsing by Issue Date, starting with "2017-05-18"

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PHYSIOLOGICAL SIGNAL MEASURING SYSTEM AND METHOD THEREOF
(2017-05-18)
Tzu-Chien HSIAO
;
Sheng-Chi KAO
The physiological signal measuring method includes the following steps: obtaining a user physiological signal; separating the user physiological signal into multiple first packets according to a first box number; performing a sifting process respectively on the first packets by Empirical Mode Decomposition (EMD) to obtain multiple temporal intrinsic mode functions (temporal IMFs) respectively corresponding to the first packets; calculating multiple average envelope curves according to multiple upper envelope curves and multiple lower envelope curves respectively corresponding to the temporal IMFs; averaging the average envelope curves to generate a semi-IMF; calculating at least one correlation coefficient according to the semi-IMF and at least another semi-IMF; when the at least one correlation coefficient is larger than a correlation coefficient threshold, determining at least one signal section corresponding to the at least one correlation coefficient as at least one main component section of the user physiological signal.
Band Alignment of 2D Transition Metal Dichalcogenide Heterojunctions
(2017-05-18)
Chiu, Ming-Hui
;
Tseng, Wei-Hsuan
;
Tang, Hao-Ling
;
Chang, Yung-Huang
;
Chen, Chang-Hsiao
It is critically important to characterize the band alignment in semiconductor heterojunctions (HJs) because it controls the electronic and optical properties. However, the well-known Anderson's model usually fails to predict the band alignment in bulk HJ systems due to the presence of charge transfer at the interfacial bonding. Atomically thin 2D transition metal dichalcogenide materials have attracted much attention recently since the ultrathin HJs and devices can be easily built and they are promising for future electronics. The vertical HJs based on 2D materials can be constructed via van der Waals stacking regardless of the lattice mismatch between two materials. Despite the defect-free characteristics of the junction interface, experimental evidence is still lacking on whether the simple Anderson rule can predict the band alignment of HJs. Here, the validity of Anderson's model is verified for the 2D heterojunction systems and the success of Anderson's model is attributed to the absence of dangling bonds (i.e., interface dipoles) at the van der Waal interface. The results from the work set a foundation allowing the use of powerful Anderson's rule to determine the band alignments of 2D HJs, which is beneficial to future electronic, photonic, and optoelectronic devices.
RACK ASSEMBLY
(2017-05-18)
Yao-Hsien LIU
;
Sheng-Kai CHANG
A rack assembly includes a rack body and a jet generating device. The rack body is configured to hold a plurality of servers that are displaced from each other by a passageway. The jet generating device is disposed in the passageway and includes a partition wall, a proximal barrier, and a distal barrier. The partition wall is disposed to define an inflow path and an outflow path. When cooling air is drawn into the inflow path, the cooling air is blocked by the distal barrier such that the cooling air is forced to flow into the outflow path through internal ports of the partition wall to generate a plurality of cooling air jets, which impinge on and cool one of the servers.
Gender Differences in the Association between Moderate Alcohol Consumption and Hearing Threshold Shifts
(2017-05-19)
Lin, Yuan-Yung
;
Chen, Hsin-Chien
;
Lai, Wen-Sen
;
Wu, Li-Wei
;
Wang, Chih-Hung
Hearing loss is a global public health problem with a high prevalence, significantly impairing communication and leading to a decrease in the quality of life. The association between moderate alcohol consumption (MAC) and hearing impairment has been addressed in several studies with inconsistent results. The intent of our study is to clarify the correlation between MAC and the hearing threshold and further investigate the interplay between MAC and the hearing threshold categorized by gender. The study included 4,075 participants aged 20-69 years from the 1999-2004 data of National Health and Nutrition Examination Survey (NHANES). The associations among MAC, gender differences, and high-frequency and low-frequency hearing thresholds were analyzed. We found that current female drinkers with MAC tended to have lower hearing thresholds. There is a significant protective effect of MAC on hearing threshold shifts in the US adult population, especially in females. Our research was the first study to further indicate that there is a gender difference in the association between MAC and hearing impairment. In accordance with our results, if people drink, they should consume moderate rather than higher amounts, especially in women, which may result in a reduced risk of hearing loss.
Musashi-1 promotes a cancer stem cell lineage and chemoresistance in colorectal cancer cells
(2017-05-19)
Chiou, Guang-Yuh
;
Yang, Tzu-Wei
;
Huang, Chi-Chou
;
Tang, Chia-Ying
;
Yen, Jung-Yi
Colorectal cancers (CRCs) are a critical health issue worldwide. Cancer stem cell (CSC) lineages are associated with tumour transformation, progression, and malignant transformation. However, how lineages are transformed and how chemoresistance is acquired by CRCs remain largely unknown. In this report, we demonstrated that the RNA-binding protein Musashi-1 enhanced the development of CD44(+) colorectal CSCs and triggered the formation of anti-apoptotic stress granules (SGs). Our results indicated that CD44(+) CSC lineage-specific induction of tumour malignancies was controlled by Musashi-1. In addition, Musashi-1 formed SGs when CRC cell lines were treated with 5-fluorouracil. The C-terminal domain of Musashi-1 was critical for recruitment of Musashi-1 into SGs. Intracellular Musashi-1 SGs enhanced the chemoresistance of CRCs. Analysis of clinical CRC samples indicated that Musashi-1 expression was prominent in CRC stage IIA and IIB. In summary, we demonstrated that Musashi-1, a stemness gene, is a critical modulator that promotes the development of CD44(+) colorectal CSCs and also enhances CRC chemoresistance via formation of SGs. Our findings elucidated a novel mechanism of CRC chemoresistance through increased anti-apoptotic effects via Musashi-1-associated SGs.
Taylor cone and electrospraying at a free surface of superfluid helium charged from below
(2017-05-19)
Moroshkin, P.
;
Leiderer, P.
;
Moeller, Th. B.
;
Kono, K.
;
物理研究所
Electrically charged metallic micro-and nanoparticles are trapped under a free surface of superfluid He in a vertical static electric field. We observe a static deformation of the charged liquid surface in the form of a Taylor cone and the emission of a charged liquid helium jet (electrospray). Our numeric calculations reproduce the static shape of the cone.
Photoredox-Catalyzed Hydrodifluoroalkylation of Alkenes Using Difluorohaloalkyl Compounds and a Hantzsch Ester
(2017-05-19)
Sumino, Shuhei
;
Uno, Misae
;
Fukuyarna, Takahide
;
Ryu, Ilhyong
;
Matsuura, Makoto
Photoredox-catalyzed hydrodifluoroalkylation of alkenes proceeded smoothly in the presence of a Hantzsch ester as a hydrogen source under visible light irradiation. The reaction was also applicable to the hydrodifluoroalkylation of alkynes, and a continuous photo flow reaction was also successful.
Benchmark Performance of Global Switching versus Local Switching for Trajectory Surface Hopping Molecular Dynamics Simulation: Cis <-> Trans Azobenzene Photoisomerization
(2017-05-19)
Yue, Ling
;
Yu, Le
;
Xu, Chao
;
Lei, Yibo
;
Liu, Yajun
A newly developed global switching algorithm that does not require calculation of nonadiabatic coupling vectors reduces computational costs significantly. However, the accuracy of this simplest nonadiabatic molecular dynamic method has not been extensively compared with the conventional Tully's fewest switches. It is necessary to demonstrate the accuracy of this global switching algorithm. An extensive comparison between local and global switching on-the-fly trajectory surface hopping molecular dynamics is performed for cis-to-trans (800 sampling trajectories) and trans-to-cis (600 sampling trajectories) azobenzene photoisomerization at the OM2/MRCI level. The global switching algorithm is coded into the Newton-X program package. Excellent agreement between the two switching algorithms is obtained not only for highly averaged quantities of quantum yields and lifetimes, but also for detailed contour patterns of product distributions, hopping spot distributions and hopping directions in terms of conical intersections between ground and the first excited states. Therefore, the global switching trajectory surface hopping method can be applied to larger complex systems in which nonadiabatic coupling is not available for excited-state molecular dynamic simulations.
愛鼠愛兔　領養不棄養
(2017-05-21)
陳昱彣
;
王韋翔
;
Department of Communication and Technology
;
傳播與科技學系
介紹愛鼠協會及愛兔協會。
魏榮欣　傳統電影看板畫家
(2017-05-21)
張芸瑄
;
Department of Communication and Technology
;
傳播與科技學系
介紹新竹在地傳統電影看板畫家——魏榮欣。
評殺戮的艱難　秤死刑的正義
(2017-05-21)
林芃蕙
;
Department of Communication and Technology
;
傳播與科技學系
「殺戮的艱難」提出對死刑思辨，為動盪的時局留下見證與註解。
十二夜不再　釀收容悲歌
(2017-05-21)
劉以寧
;
Department of Communication and Technology
;
傳播與科技學系
零安樂政策上路，電影「十二夜」中的悲劇不再上演，卻造成收容所內收容爆量的悲歌。
Water splitting using a three-dimensional plasmonic photoanode with titanium dioxide nano-tunnels
(2017-05-21)
Takakura, Ryohei
;
Oshikiri, Tomoya
;
Ueno, Kosei
;
Shi, Xu
;
Kondo, Toshiaki
In this study, we developed a three-dimensional plasmonic photoanode using titanium dioxide nanotunnels (TNTs) loaded with gold nanoparticles (Au-NPs) for water splitting, to enhance the reaction efficiency. We also optimized the procedure of loading Au-NPs on complex three-dimensional structures. We discuss the correlation between the plasmon-induced charge separation obtained from photoelectrochemical measurement and the morphology of Au-NPs observed by transmission electron microscopy. We have successfully deposited well-dispersed Au-NPs on the walls of TNTs using HAu(OH)(4) as a precursor. The amount of Au-NPs on the TNTs was estimated to be approximately 15-fold larger than that on the thin film titanium dioxide substrate, and the particle size remained small. Photoelectrochemical water splitting was achieved by using a two-electrode system rather than a three-electrode system. Furthermore, stoichiometric water splitting was confirmed by estimating the amounts of the evolved H-2 and O-2 gases under visible light irradiation.
勞工群像寫真
(2017-05-21)
洪于婷
;
Department of Communication and Technology
;
傳播與科技學系
以最貼近營造業工人的角度，嘗試紀錄工人的真實工作狀況，期待大眾能對他們多一些理解。
遊戲與實況　娛樂新潮流
(2017-05-21)
魏若芸
;
Department of Communication and Technology
;
傳播與科技學系
近年遊戲實況的興起，成為另一種工作與娛樂的管道。
回到小時候　重拾童年玩具
(2017-05-21)
郭宜婷
;
Department of Communication and Technology
;
傳播與科技學系
長大後，有多久沒有玩玩具了？這次透過照片，邀請大家一起回到小時候。
Excited-state E -> Z photoisomerization mechanism unveiled by ab initio nonadiabatic molecular dynamics simulation for hemithioindigo-hemistilbene
(2017-05-21)
Yang, Meihong
;
Huo, Chunyan
;
Li, Anyang
;
Lei, Yibo
;
Yu, Le
The Zhu-Nakamura formulas based on on-the-fly trajectory surface hopping dynamics simulations at the two-state-averaged CASSCF level were employed to investigate the E -> Z photoisomerization mechanisms of hemithioindigo-hemistilbene (HTI) upon S-1 excitation. Seven conical intersections were observed along the isomerization pathways, which were composed of double bond torsion, benzene ring torsion, inversion and pyramidalization motions, and only three of them were found to play a role in the dynamics simulations started at S-1 E-HTI. The dominant isomerization pathway proceeds via central double bond torsion together with pyramidal and tilt motions to some extent (hop via CI5) and accounts for all the reactive trajectories. On the other hand, the two pathways that involve the conical zones lie in the vicinity of the E-form Franck-Condon region (CI7) and proceed along the combined central double bond and benzene ring torsion route (CI3/CI4) with generation of the E products. Within the 332 simulated trajectories, 66 hop to the ground state and only 19 switch to the Z product. The estimated quantum yield of 0.057 (19 in 332) agrees well with the reported experimental value of 0.053 +/- 0.016. The excited-state lifetimes span a wide region from hundreds of femtoseconds to several picoseconds, depending on the time for vibrational relaxation and number of cycles for periodical mixed mode torsion.
共舞十年　dS雙人舞團
(2017-05-21)
凃湘羚
;
Department of Communication and Technology
;
傳播與科技學系
介紹台灣少見的雙人舞蹈團體dS。
「波波」爭議　新制上路
(2017-05-21)
陳奕璇
;
Department of Communication and Technology
;
傳播與科技學系
提供多方看法討論波蘭醫學學歷的爭議，並介紹去年底通過的相關新法。
中社花海　繽紛色彩
(2017-05-21)
張巧宜
;
Department of Communication and Technology
;
傳播與科技學系
位於台中市后里區的中社觀光花市，花海區一年四季都有不同季節的花綻放，吸引許多遊客前來賞花。