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Cheng-Liang Huang,Hung Ji Huang,Sy-Hann Chen,Yu-Siang Huang,Po-Ching Kao,Yuan-Fong Chou Chau,Hai-Pang Chiang 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.103 No.-
This study used photochemical reduction to successfully synthesize triangular silver nanoplates (TAgNPs)and silver nanodecahedrons (AgNDs) with higher light-absorption and higher light-scattering properties,respectively, for the same wavelength. To analyze the contribution of light-absorption and lightscatteringof silver nanoparticles to the localized surface plasmon resonance (LSPR) effect, poly(3,4-ethylenedioxythiophene) polystyrene sulfonate was doped with TAgNPs or AgNDs at the same concentration(1.17 lg/cm2) and made into polymer light-emitting diodes (PLEDs). According to the current densityvoltageluminancecharacteristics and electroluminescence (EL) spectra, the enhancement factors for currentefficiency and EL intensity for AgND-containing PLEDs were found to be higher than those for PLEDwith TAgNPs by 24.9% and 138%, respectively. This shows that the metal nanoparticles with higher lightscatteringproperty can induce a relatively strong LSPR effect, which possibly gives a hint to design plasmonicphotovoltaic in future.
Hang Xiao,Zhiping Huang,Panjie Xu,Junyu Lin,Qingan Zhu,Wei Ji 대한척추신경외과학회 2023 Neurospine Vol.20 No.3
Objective: To evaluate the biomechanical stability of anterior transarticular crossing screw (ATCS) and compare it with anterior transarticular screw (ATS) which may provide basic evidence for clinical application. Methods: Eight human fresh cadaveric specimens (occiput-C4) were tested with 5 conditions including the intact status, the injury status (type II odontoid fracture), the injury+ATS fixation status (traditional bilateral ATS fixation); the injury+unilateral ATCS fixation status; and the injury+bilateral ATCS fixation status. Specimens were applied to a pure moment of 1.5 Nm in flexion-extension, lateral bending, and axial rotation, respectively. The range of motions (ROMs) and the neutral zones (NZs) of C1 to C2 segment were calculated and compared between 5 status. Results: ATS and ATCS fixations significantly reduced the motions in all directions when compared with the intact and injury statues (p < 0.05). In flexion-extension, the ROMs of ATS, unilateral ATCS, and bilateral ATCS were 4.7° ± 2.5°, 4.1° ± 1.9°, and 3.2° ± 1.2°, respectively. Bilateral ATCS resulted in a significant decrease in ROM in flexion-extension when compared with ATS and unilateral ATCS (p = 0.035 and p = 0.023). In lateral bending and axial rotation, there was no significant difference in ROM between the 3 fixations (p > 0.05). Three fixations resulted in similar NZs in all directions (p > 0.05). Conclusion: ATCS is a biomechanically effective alternative or supplemental method for atlantoaxial instability
Tsai, Huang-Lung,Li, Yi-Hang,Hsieh, Wen-Ping,Lin, Meng-Chun,Ahn, Ji Hoon,Wu, Shu-Hsing American Society of Plant Biologists 2014 The Plant cell Vol.26 No.7
<P>This work reports that the expression of <I>HEN1</I>, a small regulatory RNA methyltransferase essential for microRNA biogenesis, is activated by light signaling pathways to regulate <I>Arabidopsis</I> photomorphogenesis. The expression of positive (<I>HY5</I>) and negative (<I>TCPs</I>) regulators is tuned by miR157d and miR319, respectively, in deetiolating seedlings, demonstrating a posttranscriptional control in the photomorphogenic development.</P>
Wang, Yan-Wei,Zhang, Ji-Hang,Yu, Yang,Yu, Jie,Huang, Lan The Korean Society of Applied Pharmacology 2016 Biomolecules & Therapeutics(구 응용약물학회지) Vol.24 No.4
Store-operated calcium entry (SOCE), a major mode of extracellular calcium entry, plays roles in a variety of cell activities. Accumulating evidence indicates that the intracellular calcium ion concentration and calcium signaling are critical for the responses induced by oxidative stress. The present study was designed to investigate the potential effect of SOCE inhibition on $H_2O_2$-induced apoptosis in endothelial progenitor cells (EPCs), which are the predominant cells involved in endothelial repair. The results showed that $H_2O_2$-induced EPC apoptosis was reversed by SOCE inhibition induced either using the SOCE antagonist ML-9 or via silencing of stromal interaction molecule 1 (STIM1), a component of SOCE. Furthermore, SOCE inhibition repressed the increases in intracellular reactive oxygen species (ROS) levels and endoplasmic reticulum (ER) stress and ameliorated the mitochondrial dysfunction caused by $H_2O_2$. Our findings provide evidence that SOCE inhibition exerts a protective effect on EPCs in response to oxidative stress induced by $H_2O_2$ and may serve as a potential therapeutic strategy against vascular endothelial injury.
( Yan Wei Wang ),( Ji Hang Zhang ),( Yang Yu ),( Jie Yu ),( Lan Huang ) 한국응용약물학회 2016 Biomolecules & Therapeutics(구 응용약물학회지) Vol.24 No.4
Store-operated calcium entry (SOCE), a major mode of extracellular calcium entry, plays roles in a variety of cell activities. Accumulating evidence indicates that the intracellular calcium ion concentration and calcium signaling are critical for the responses induced by oxidative stress. The present study was designed to investigate the potential effect of SOCE inhibition on H2O2-induced apoptosis in endothelial progenitor cells (EPCs), which are the predominant cells involved in endothelial repair. The results showed that H2O2-induced EPC apoptosis was reversed by SOCE inhibition induced either using the SOCE antagonist ML-9 or via silencing of stromal interaction molecule 1 (STIM1), a component of SOCE. Furthermore, SOCE inhibition repressed the increases in intracellular reactive oxygen species (ROS) levels and endoplasmic reticulum (ER) stress and ameliorated the mitochondrial dysfunction caused by H2O2. Our findings provide evidence that SOCE inhibition exerts a protective effect on EPCs in response to oxidative stress induced by H2O2 and may serve as a potential therapeutic strategy against vascular endothelial injury.