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- 저자 : Yufei Lin (검색결과 4 건)
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Enhanced NOx Gas Sensing Performance Based on Indium-Doped Co(OH)2 Nanowire-Graphene Nanohybrids
Jiabao Song,Yufei Lin,Kan Kan,Jingchao Wang,Songying Liu,Li Li,Keying Shi 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2015 NANO Vol.10 No.6
"In this paper, the In(OH)3/Co(OH)2/rGO (ICG) nanohybrids have been synthesized via a simple reflux method. It was found that the nanostructures were actually composed of thin nanosheets or nanowires. The addition of indium in Co(OH)2 on rGO results in increase in the specific area of nanohybrids (105.7 m2 g-1 ). That enhanced the gas sensing responses to NOx compared with Co(OH)2/rGO significantly. The ICG nanohybrids with the mass ratio of 5:1 (ICG-5) exhibited excellent gas-sensing properties with low detection limit of 0.97 ppm and high sensitivity of 75.32% to 97 ppm NOx at room temperature (RT). The gas sensor also showed excellent selectivity to NOx when other common gases such as NH3, CO, C2H2 and H2 were present. The sensing mechanism could be attributed to the charge carrier concentration of Co(OH)2 greatly increased by indium doping, which at last encourages the electron transfer during the interaction with gases."
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Fangqing Li,Lin Chen,Yufei Wei,Zhiwei Yin,Keying Que 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.123 No.-
Membrane distillation (MD) is considered an emerging desalination technology. However, the presenceof surfactants allows liquid to penetrate the membrane, resulting in membrane wetting, which hindersthe commercialization of MD. In this study, we use very few modified materials to prepare novel Janusthin membranes that immobilize modified materials (graphene oxide (GO) and UiO-66-NH2) on polytetrafluoroethylene(PTFE) hydrophobic base membranes via crosslinkers. The composite thin membraneproperties with eight different ratios and contents of GO and UiO-66-NH2 were fabricated and testedby a feed solution of sodium chloride containing a high concentration of sodium dodecyl sulfate. An optimalratio of Janus membrane with high flux without affecting the effluent water quality was obtained. The Janus membrane exhibited excellent anti-wetting properties compared to the original PTFE membrane. A desalination rate of up to 99.9% was still available even under 48 h of long-term operating conditionsby maintaining a flux of approximately 21.2 L/(m2h). The anti-wetting mechanism of thismembrane was further confirmed by the modified XDLVO model. It suggested that the novel Janus membranecould be a highly promising substitute to the MD process for the resource-based treatment ofsurfactant-containing wastewater, which played an important role in promoting its application.
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Huang Liang,Bai Fenghua,Zhang Yutian,Zhang Shanshan,Jin Tianbo,Wei Xingwei,Zhou Xiaoli,Lin Mei,Xie Yufei,He Chanyi,Lin Qi,Xie Tian,Ding Yipeng 한국유전학회 2022 Genes & Genomics Vol.44 No.8
Background: Thyroid hormones are critical regulators of metabolism, development and growth in mammals. However, the genetic association of thyroid-related hormones in the Chinese Han population is not fully understood. Objective: We aimed to identify the genetic loci associated with circulating thyroid-related hormones concentrations in the healthy Chinese Han population. Methods: Genotyping was performed in 124 individuals using Applied Biosystems™ Axiom™ PMDA, and 796,288 single nucleotide polymorphisms (SNPs) were available for the GWAS analysis. For replication, eleven SNPs were selected as candidate loci for genotyping by Agena MassARRAY platform in additional samples (313 subjects). The values of p < 5 × 10- 6 suggest a suggestively significant genome-wide association with circulating thyroid-related hormones concentrations. Results: We identified that rs11178277 (PTPRB, p = 4.88 × 10- 07) and rs7320337 (LMO7DN-KCTD12, p = 1.22 × 10- 06) were associated with serum FT3 level. Three SNPs (rs4850041 in LOC105373394-LINC01249: p = 3.55 × 10- 06, rs6867291 in LINC02208: p = 2.40 × 10- 06 and rs79508321 in WWOX: p = 3.35 × 10- 06) were related to circulating T3 level. Rs12474167 (LOC105373394-LINC01249, p = 1.65 × 10- 06) and rs1864553 (IWS1, p = 2.00 × 10- 06) were associated with circulating T4 concentration. The association with TGA concentration was for rs17163542 in DISP1 (p = 3.46 × 10- 06) and rs12601151 in NOG-C17orf67 (p = 2.72 × 10- 07). Two genome-level significant SNPs (rs2114707 in LINC01314, p = 1.69 × 10- 06 and rs12601151, p = 1.41 × 10- 07) associated with serum TMA concentration were identified. Moreover, rs6083269 (CST1-CST2, p = 3.36 × 10- 06) was a significant locus for circulating TSH level. In replication, rs12601151 in NOG-C17orf67 was still associated with serum TGA level (p = 0.012). Conclusions: The GWAS reported 11 new suggestively significant loci associated with circulating thyroid-related hormones levels among the Chinese Han population. These findings represented suggestively biological candidates for circulating thyroid-related hormones levels and provided new insights into the mechanisms of regulating serum TGA concentration.
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Yanmei Feng,Zhiqiang Wang,Yunfeng Yang,Xiang-Feng Wu,Xiaodong Gong,Yajian Liu,Yufei Li,Zuo-Lin Cao,Chao Wang,Xin Tong 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2018 NANO Vol.13 No.7
The Ag2SO3/NaNbO3 hybrids have been fabricated via a facile method at room temperature. Several methods such as X-ray diffraction, UV-Vis diffuse reflectance spectroscopy, scanning electron microscopy, electrochemical impedance spectroscopy and X-ray photoelectron spectroscopy were used to characterize the samples. Moreover, the photocatalytic activity of the samples was assessed by degradation of rhodamine B and methyl orange under the visible light illumination. Experimental results indicated the photocatalytic degradation efficiency of the as-fabricated hybrids was first increased and then decreased with increasing the dosage of NaNbO3. When the molar ratio of Ag2SO3 to NaNbO3 was 1:0.7, the as-fabricated composites had the best photodegradation efficiency of 96.4% in 30 min for rhodamine B and 97.1% in 60 min for methyl orange, respectively. These were obviously higher than that of pure samples. Furthermore, Ag2SO3 was conjugated with NaNbO3 via chemical-bonds rather than physical contact. In addition, the possible photocatalytic degradation mechanism was also provided and the main roles during the process of photocatalytic degradation were played by holes.
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