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- 저자 : Xiaoya Yan, Siye Pan (검색결과 5 건)
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최현석,Yan Zhao,Haijie Dou,Xiaoya Cai,Mengmeng Gu,Fei Yu 한국원예학회 2018 Horticulture, Environment, and Biotechnology Vol.59 No.3
This study investigates the potential of using biochar as a substrate component to replace pine bark (PB) to produce horticultural crops in containers. Biochar was incorporated in PB at 0, 20, 40, 60, 80 and 100% (by volume) to grow chrysanthemum, tomato, lettuce and basil plants in containers. The responses of plant growth to the percentage of biochar combined in PB mixtures varied among the different crops. Chrysanthemum plants grown in PB mixtures with 80% and 100% biochar had significant higher shoot fresh weight (FW) and dry weight (DW) than plants grown in PB alone, while the same treatments resulted in reduced shoot FW, DW, growth index measured at 19 and 33 days after transplanting and root rating of tomato plants. Growing lettuce plants in 100% biochar reduced the FW of the second crop compared to plants grown in PB substrates supplemented with 0, 20, 40, 60, and 80% biochar. For basil, although biochar alone caused lower root rating, it did not adversely influence the fresh basil yield. Generally, no negative effect on plant growth was observed in PB mixes with biochar as high as 60%, which is probably the outcome of similar physical properties of the biochar to the commonly used PB.
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Optical properties of Ag@cicada wing substrate deposited by Ag nanoparticles
Wang Mingli,Yan Xiaoya,Shi Guochao,Shang Zubin,Zhang Anqi,Ma Wanli 한국물리학회 2020 Current Applied Physics Vol.20 No.11
In this paper, Ag nanoparticles were deposited on Ag@cicada wing array by using the cicada wings as templates to study its optical properties, including surface enhanced Raman scattering (SERS), polarization and surface enhanced fluorescence (SEF). The nanogaps between adjacent conical protrusion can be well dominated by adjusting the sputtering time and the optimal substrate AgNPs@Ag@cicada wing arrays have a noteworthy enhancement of SERS signal. Characterization of the prepared optimal substrate certified that it possesses the excellent SERS performances. Basically consistent SERS signal strength at the different polarization angles of the optimal substrate indicates that its polarization-independence. The SEF spectra shows that the optimal substrate has a slightly lower and unstable enhancement at this initial stage of repeated examination due to the weak adhesion between the Ag@cicada wing arrays and Ag nanoparticles. The outstanding optical properties indicate that it has enormous potential in the label-free detection and biological analytes determination.
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Fabrication of polymer compound microlens by lens-on-lens microstructures
Zehua Xia,Yan Li,Xiaoya Su,Yanhua Han,Zhongyi Guo,Jian-Min Gao,Qiaoqun Sun,Shiliang Qu 한국물리학회 2017 Current Applied Physics Vol.17 No.1
We proposed a novel method for fabricating polymer compound microlenses (PCMLs) using micro-inkjet technique and subsequent curing process. Two different types of PCMLs with sandwich microstructure (PDMS-Glycerol-PDMS), concave and convex PCMLs, have been designed and fabricated in experiments. Convex PCML has two real images and two foci. The concave PCML has one real and one virtual focal planes, which can generate one real image and one virtual image respectively. Moreover, the diameter of concave PCML can be controlled by adjusting the curing time and temperature. The proposed method is simple, efficient and suitable for realizing large-scale high numerical aperture PCMLs array, which has potential applications in diverse optical systems such as optical storage and three-dimensional imaging.
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Zhongwen Qi,Zhipeng Yan,Yueyao Wang,Nan Ji,Xiaoya Yang,Ao Zhang,Meng Li,Fengqin Xu,Junping Zhang The Korean Society of Ginseng 2023 Journal of Ginseng Research Vol.47 No.2
Background: QiShen YiQi pills (QSYQ) is a Traditional Chinese Medicine (TCM) formula, which has a significant effect on the treatment of patients with myocardial infarction (MI) in clinical practice. However, the molecular mechanism of QSYQ regulation pyroptosis after MI is still not fully known. Hence, this study was designed to reveal the mechanism of the active ingredient in QSYQ. Methods: Integrated approach of network pharmacology and molecular docking, were conducted to screen active components and corresponding common target genes of QSYQ in intervening pyroptosis after MI. Subsequently, STRING and Cytoscape were applied to construct a PPI network, and obtain candidate active compounds. Molecular docking was performed to verify the binding ability of candidate components to pyroptosis proteins and oxygen-glucose deprivation (OGD) induced cardiomyocytes injuries were applied to explore the protective effect and mechanism of the candidate drug. Results: Two drug-likeness compounds were preliminarily selected, and the binding capacity between Ginsenoside Rh2 (Rh2) and key target High Mobility Group Box 1 (HMGB1)was validated in the form of hydrogen bonding. 2 μM Rh2 prevented OGD-induced H9c2 death and reduced IL-18 and IL-1β levels, possibly by decreasing the activation of the NLRP3 inflammasome, inhibiting the expression of p12-caspase1, and attenuating the level of pyroptosis executive protein GSDMD-N. Conclusions: We propose that Rh2 of QSYQ can protect myocardial cells partially by ameliorating pyroptosis, which seems to have a new insight regarding the therapeutic potential for MI.
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Guochao Shi,Mingli Wang,Yanying Zhu,Xiaoya Yan, Siye Pan,Siye Pan,Anqi Zhang 한국물리학회 2019 Current Applied Physics Vol.19 No.11
An effective SERS-based detection method has been developed to quantitatively diagnose the goat serum which overcomes the problem of diffusion limitation in traditional heterogeneous immunoassay. In this work, the ultrasensitive silver/anodic aluminum oxide (Ag/AAO) SERS platform was explored via magnetron sputtering which can precisely control the sample morphology and intergap distances. Results indicated that the localized surface plasmon resonance (LSPR) effect was sharply strengthened as the sub-10 nm nanogaps generated and the enhancement factor (EF) for crystal violet (CV) was calculated to be 3.677×107. This novel Ag/AAO substrate with substantial “hot spots” exhibited high SERS sensitivity which could obtain extremely low limits of detection (LOD) of 10−12M for CV. Importantly, this SERS platform was employed to detect goat serum and reached a LOD at 1 ng/μl. As a nondestructive detection technique, our SERS-based methodology required small sample quantity which expected to achieve more biomolecular detection.
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