327 results on '"Lin, Zhuang"'
Search Results
2. Study on the Correlation between 7-joint Ultrasound Score and Disease Activity in Patients with Rheumatoid Arthritis
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Xiaolong Yu, Qiang Wang, Lin Zhuang, Gaojun Cai, Zun Li, Min Ren, Zihan Jin, and Jing Xi
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7-joint ultrasound score ,correlation ,disease activity ,disease activity score 28 ,rheumatoid arthritis ,ultrasound ,Medical technology ,R855-855.5 - Abstract
Background: The objective of this study was to investigate the correlation between the 7-joint ultrasound score (US7) and disease activity in patients with rheumatoid arthritis (RA). Methods: Forty-four patients with active RA were assessed, and the correlation between US7 and disease activity indicators such as the disease activity score (DAS28), rheumatoid factor (RF), the erythrocyte sedimentation rate (ESR), and C-reactive protein (CRP) was analyzed. In addition, the proportions of US7 points accounted for by different joint regions and joint surfaces were analyzed. Results: RF, CRP, and ESR were significantly increased in the RA group compared with the control group (P < 0.05). In the RA group, DAS28 (r = 0.0.561, P < 0.01), RF (r = 0.635, P < 0.01), ESR (r = 0.585, P < 0.01), and CRP (r = 0.492, P < 0.01) were positively correlated with US7. In terms of contributions to US7, the most susceptible joint surface is the dorsal surface, and the most susceptible joint area is the dorsal wrist. Conclusion: US7 is positively correlated with disease activity indicators of RA, which can objectively reflect disease activity in RA patients and provide a reference for clinical diagnosis and efficacy evaluation.
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- 2024
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3. Implanting oxophilic metal in PtRu nanowires for hydrogen oxidation catalysis
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Zhongliang Huang, Shengnan Hu, Mingzi Sun, Yong Xu, Shangheng Liu, Renjie Ren, Lin Zhuang, Ting-Shan Chan, Zhiwei Hu, Tianyi Ding, Jing Zhou, Liangbin Liu, Mingmin Wang, Yu-Cheng Huang, Na Tian, Lingzheng Bu, Bolong Huang, and Xiaoqing Huang
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Science - Abstract
Abstract Bimetallic PtRu are promising electrocatalysts for hydrogen oxidation reaction in anion exchange membrane fuel cell, where the activity and stability are still unsatisfying. Here, PtRu nanowires were implanted with a series of oxophilic metal atoms (named as i-M-PR), significantly enhancing alkaline hydrogen oxidation reaction (HOR) activity and stability. With the dual doping of In and Zn atoms, the i-ZnIn-PR/C shows mass activity of 10.2 A mgPt+Ru −1 at 50 mV, largely surpassing that of commercial Pt/C (0.27 A mgPt −1) and PtRu/C (1.24 A mgPt+Ru −1). More importantly, the peak power density and specific power density are as high as 1.84 W cm−2 and 18.4 W mgPt+Ru −1 with a low loading (0.1 mg cm−2) anion exchange membrane fuel cell. Advanced experimental characterizations and theoretical calculations collectively suggest that dual doping with In and Zn atoms optimizes the binding strengths of intermediates and promotes CO oxidation, enhancing the HOR performances. This work deepens the understanding of developing novel alloy catalysts, which will attract immediate interest in materials, chemistry, energy and beyond.
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- 2024
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4. Liquid lens based holographic camera for real 3D scene hologram acquisition using end-to-end physical model-driven network
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Di Wang, Zhao-Song Li, Yi Zheng, You-Ran Zhao, Chao Liu, Jin-Bo Xu, Yi-Wei Zheng, Qian Huang, Chen-Liang Chang, Da-Wei Zhang, Song-Lin Zhuang, and Qiong-Hua Wang
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Applied optics. Photonics ,TA1501-1820 ,Optics. Light ,QC350-467 - Abstract
Abstract With the development of artificial intelligence, neural network provides unique opportunities for holography, such as high fidelity and dynamic calculation. How to obtain real 3D scene and generate high fidelity hologram in real time is an urgent problem. Here, we propose a liquid lens based holographic camera for real 3D scene hologram acquisition using an end-to-end physical model-driven network (EEPMD-Net). As the core component of the liquid camera, the first 10 mm large aperture electrowetting-based liquid lens is proposed by using specially fabricated solution. The design of the liquid camera ensures that the multi-layers of the real 3D scene can be obtained quickly and with great imaging performance. The EEPMD-Net takes the information of real 3D scene as the input, and uses two new structures of encoder and decoder networks to realize low-noise phase generation. By comparing the intensity information between the reconstructed image after depth fusion and the target scene, the composite loss function is constructed for phase optimization, and the high-fidelity training of hologram with true depth of the 3D scene is realized for the first time. The holographic camera achieves the high-fidelity and fast generation of the hologram of the real 3D scene, and the reconstructed experiment proves that the holographic image has the advantage of low noise. The proposed holographic camera is unique and can be used in 3D display, measurement, encryption and other fields.
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- 2024
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5. Metal-support interaction boosts the stability of Ni-based electrocatalysts for alkaline hydrogen oxidation
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Xiaoyu Tian, Renjie Ren, Fengyuan Wei, Jiajing Pei, Zhongbin Zhuang, Lin Zhuang, and Wenchao Sheng
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Science - Abstract
Abstract Ni-based hydrogen oxidation reaction (HOR) electrocatalysts are promising anode materials for the anion exchange membrane fuel cells (AEMFCs), but their application is hindered by their inherent instability for practical operations. Here, we report a TiO2 supported Ni4Mo (Ni4Mo/TiO2) catalyst that can effectively catalyze HOR in alkaline electrolyte with a mass activity of 10.1 ± 0.9 A g−1 Ni and remain active even up to 1.2 V. The Ni4Mo/TiO2 anode AEMFC delivers a peak power density of 520 mW cm−2 and durability at 400 mA cm−2 for nearly 100 h. The origin for the enhanced activity and stability is attributed to the down-shifted d band center, caused by the efficient charge transfer from TiO2 to Ni. The modulated electronic structure weakens the binding strength of oxygen species, rendering a high stability. The Ni4Mo/TiO2 has achieved greatly improved stability both in half cell and single AEMFC tests, and made a step forward for feasibility of efficient and durable AEMFCs.
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- 2024
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6. Anomalous non-Hermitian skin effect: topological inequivalence of skin modes versus point gap
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Gang-Feng Guo, Xi-Xi Bao, Han-Jie Zhu, Xiao-Ming Zhao, Lin Zhuang, Lei Tan, and Wu-Ming Liu
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Astrophysics ,QB460-466 ,Physics ,QC1-999 - Abstract
Abstract It has long been believed that skin modes are equivalent to the nontrivial point gap. However, we find that this concomitance can be broken, in that skin modes can be absent or present when the point gap is nontrivial or trivial, respectively, named anomalous non-Hermitian skin effect. This anomalous phenomenon arises whenever unidirectional hopping amplitudes emerge among subsystems, where sub-chains have decoupling-like behaviors and contribute only to the energy levels without particle occupation. The occurrence of anomalous non-Hermitian skin effect is accompanied by changes in open boundary eigenvalues, whose structure exhibits multifold exceptional points and can not be recovered by continuum bands. Moreover, an experimental setup is proposed to simulate this effect. Our results reveal the topologically inequivalence of skin modes and point gap. This effect not only provides a deeper understanding of non-Bloch theory and critical phenomena, but may inspire applications, such as in sensor field.
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- 2023
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7. Dual activation and C-C coupling on single atom catalyst for CO2 photoreduction
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Fu-li Sun, Cun-biao Lin, Wei Zhang, Qing Chen, Wen-xian Chen, Xiao-nian Li, and Gui-lin Zhuang
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Materials of engineering and construction. Mechanics of materials ,TA401-492 ,Computer software ,QA76.75-76.765 - Abstract
Abstract An excellent single-atomic photocatalyst, Ti@C4N3, is theoretically found to effectively convert CO2 to C2H6 by density functional theory (DFT) calculations and non-adiabatic molecular dynamics (NAMD) simulations. The Ti@C4N3 photocatalyst has remarkable stability both thermally, chemically, and mechanically. Electronically, it has strong absorption properties (λ = 327.77 and 529.61 nm), suitable band positions, and a long photogenerated electron lifetime (τ e = 38.21 ps), allowing photogenerated electrons to migrate to the surface. Notably, the high-valence active site effectively activates two CO2 through dual activation: Under light irradiation, the weakly adsorbed CO2 undergoes photo-induced activation by the photoelectron of conduction band minimum (CBM); without light, the high Lewis acidity of the Ti site induces CO2 activation through back-donating π-bond. Contrast simulation results uncovered that dual activation of CO2 is attributed to the thermal and photonic synergy. Furthermore, two activated CO2 species under light easily couple to form oxalate with the barrier of 0.19 eV, and further reduced to C2H6 with a low activation energy of 1.09 eV.
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- 2023
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8. Exploring B-site high-entropy configuration of spinel oxides for improved cathode performance in solid oxide fuel cells
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Lin, Zhuang, Ma, Ben, Chen, Zhaohui, Cheng, Lin, and Zhou, Yingke
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- 2024
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9. Nanostructured Mg-doped Mn–Cr spinel oxide cathodes for solid oxide fuel cells with optimized performance
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Ma, Ben, Chen, Zhaohui, Lin, Zhuang, Cheng, Lin, and Zhou, Yingke
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- 2023
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10. Therapeutic efficacy of programmed spatial anatomy of the myopectineal orifice in total extraperitoneal hernioplasty: a retrospective study
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Lin Zhuang, Yuanjiu Li, Wei He, Xiaodong Zhou, Yan Chen, Xiaozhong Wang, Bo Wang, Xuezhong Xu, Kejia Wu, Qiutao Zhang, Dong Xi, and Yunjie Lu
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Medicine ,Science - Abstract
Abstract This study aimed to investigate the therapeutic efficacy of programmed spatial anatomy of myopectineal orifice technique in laparoscopic total extraperitoneal hernioplasty (TEP) surgery. A total of 121 adult male patients with unilateral inguinal hernias who underwent TEP in the Department of General Surgery, Wujin Hospital, affiliated with Jiangsu University, from January 2019 to December 2020 were selected. Patients were divided into the procedural (63 cases) and traditional groups (58 cases) according to the surgical methods adopted. The procedural group underwent programmed spatial anatomy of the myopectineal orifice combined with TEP, and the traditional group underwent traditional TEP. The perioperative evaluation indicators and postoperative complications were observed and compared between the two groups. Compared with the traditional group, the time of handling hernia, the intraoperative operation time, intraoperative blood loss, postoperative ambulation time, and postoperative hospital stay in the procedural group were significantly reduced (P 0.05). The programmed spatial anatomy of the myopectineal orifice can significantly improve the treatment outcome of TEP, significantly improve the patients' intraoperative and postoperative indicators, and reduce the incidence of postoperative complications. It is worthy of being promoted among young physicians and basic hospitals.
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- 2023
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11. Nanostructured spinel high-entropy oxide (Fe0.2Mn0.2Co0.2Ni0.2Zn0.2)3O4 as a potential cathode for solid oxide fuel cells
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Lin, Zhuang, Ma, Ben, Chen, Zhaohui, and Zhou, Yingke
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- 2023
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12. A comparison of the therapeutic outcomes between primary duct closure and T-tube drainage after laparoscopic common bile duct exploration: a single-centre retrospective study
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Lin Zhuang, Yuanjiu Li, Li Zhang, Xuezhong Xu, Dong Sun, Dong Xi, and Yun Lu
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acute choledocholithiasis ,laparoscope ,primary closure ,t-tube drainage ,Medicine - Published
- 2022
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13. Novel DNAH1 Mutation Loci Lead to Multiple Morphological Abnormalities of the Sperm Flagella and Literature Review
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Bao-Jun Zhuang, Su-Yun Xu, Liang Dong, Pei-Hai Zhang, Bao-Lin Zhuang, Xiao-Peng Huang, Guang-Sen Li, Yao-Dong You, DiʼAng Chen, Xu-Jun Yu, and De-Gui Chang
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dyneins ,genes ,male infertility ,sperm tail ,Medicine ,Diseases of the genitourinary system. Urology ,RC870-923 - Abstract
The protein encoded by dynein axonemal heavy chain 1 (DNAH1) is a part of dynein, which regulates the function of cilia and sperm flagella. The mutant of DNAH1 causes the deletion of inner dynein arm 3 in the flagellum, leading to multiple morphological abnormalities of the sperm flagella (MMAF) and severe asthenozoospermia. However, instead of asthenozoospermia and MMAF, the result caused by the mutation of DNAH1 remains unknown. Here we report a male infertility patient with severe asthenozoospermia and teratozoospermia. We found two heterozygous mutations in DNAH1 (c.6912C>A and c.7076G>T) and which were reported to be associated with MMAF for the first time. We next collected and analyzed 65 cases of DNAH1 mutation and found that the proportion of short flagella is the largest, while the bent flagella account for the smallest, and the incidence of head deformity is not high in the sperm of these patients. Finally, we also analyzed 31 DNAH1 mutation patients who were treated with intracytoplasmic sperm injection (ICSI) and achieved beneficial outcomes. We hope our research will be helpful in the diagnosis and treatment of male infertility caused by DNAH1 mutation.
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- 2022
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14. Topological nonlinear optics with spin-orbit coupled Bose-Einstein condensate in cavity
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Kashif Ammar Yasir, Lin Zhuang, and Wu-Ming Liu
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Physics ,QC1-999 ,Electronic computers. Computer science ,QA75.5-76.95 - Abstract
Abstract We investigate topological nonlinear optics with spin-orbit coupled Bose-Einstein condensate in a cavity. The cavity is driven by a pump laser and a weak probe laser. Both lasers excite Bose-Einstein condensate, in the presence of standard Raman process for spin-orbit coupling, to an intermediate storage level. We theoretically show that the quantum interference at the transitional pathways of dressed atomic states results in different types of optical transparencies, which get completely inverted in atomic damping induced gain regime. The synthetic pseudo-spin states also implant different phases in the probe field forcing modes in probe transparencies to form gapless Dirac cones, which become gapped in presence of Raman detuning. These features get interestingly enhanced in gain regime where the amplified part of probe transparencies appear as gapless topological edge-like states between the probe bulk modes and cause non-trivial phase transition. We illustrate that the nonlinear interactions of the pseudo-spin states also enhance the slow light features in probe transmission. The manipulation of dressed states for topological optical transparencies in our findings could be a crucial step towards topological photonics and their application in quantum computation.
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- 2022
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15. Characterization of an International High-Risk Escherichia coli ST410 Clone Coproducing NDM-5 and OXA-181 in a Food Market in China
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Wan-Yun He, Lu-Chao Lv, Wen-Xian Pu, Guo-Long Gao, Zi-Lin Zhuang, Yao-Yao Lu, Chao Zhuo, and Jian-Hua Liu
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food ,environment ,carbapenemase ,plasmid ,clonal spread ,Microbiology ,QR1-502 - Abstract
ABSTRACT During a 2020 routine epidemiological investigation of carbapenem-resistant Enterobacterales at a local food market in Guangzhou, China, two Escherichia coli ST410 isolates coproducing NDM-5 and OXA-181 were obtained from environmental samples. Antimicrobial susceptibility testing, whole-genome sequencing, and conjugation assays were applied to identify their resistance phenotypes, phylogenetic relatedness, and genetic characteristics. Phylogenetic analysis showed that the two isolates were clonally related with only one core-genome single-nucleotide polymorphism (SNP) difference and clustered into a branch with 87 E. coli ST410 isolates deposited in GenBank. These 89 ST410 isolates were closely related (≤51 SNPs), and most were from humans in Southeast Asian countries (n = 47). A Vietnamese clinical isolate collected in 2017 showed the strongest epidemiological link (seven SNPs) to the two ST410 isolates detected in this study. Complete-genome analysis revealed that the carbapenem resistance determinants blaNDM-5 and blaOXA-181 were located on an IncF1:A1:B49-IncQ1 plasmid and IncX3 plasmid, respectively. Conjugation experiments confirmed that the IncX3 plasmid was self-transmissible while the IncF1:A1:B49-IncQ1 plasmid was nonconjugative. BLASTn analysis indicated that the two plasmids showed high similarity to other blaNDM-5-bearing IncF1:A1:B49-IncQ1 and blaOXA-181-bearing IncX3 plasmids from other countries. Altogether, the high similarity of the core genomes and plasmids between the ST410 isolates found in this study and those human source isolates from foreign countries suggested the clonal spread of E. coli ST410 strains and horizontal transmission of blaOXA-181-bearing IncX3 plasmids across Southeast Asian countries. Stringent sanitary management of food markets is important to prevent the dissemination of high-risk clones to the public. IMPORTANCE This is the first report of an Escherichia coli ST410 clone that coproduces NDM-5 and OXA-181 in China. The high similarity of the core genomes and plasmids between the ST410 isolates characterized in this study and human source isolates from foreign countries strongly suggests that this ST410 lineage is an international high-risk clone, highlighting the need for continuous global surveillance of ST410 clones.
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- 2023
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16. Thermodynamics and fluctuations in finite-time quantum heat engines under reservoir squeezing
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Yang Xiao, Dehua Liu, Jizhou He, Lin Zhuang, Wu-Ming Liu, L.-L Yan, and Jianhui Wang
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Physics ,QC1-999 - Abstract
We investigate the thermodynamics and fluctuations of a finite-time quantum Otto engine alter- natively driven by a hot-squeezed and a cold thermal reservoir. We show that reservoir squeezing significantly enhances the performance by increasing the thermodynamic efficiency and the power and enables higher stability by decreasing the relative power fluctuations and speeding up the convergence of quantum efficiency to its most probable value. We also demonstrate the counterintuitive result that the efficiency can be larger than the Otto limit in the finite-time operation. Experimental demonstration of this quantum heat engine can be available, based on a single-electron spin pertaining to a trapped ^{40}Ca^{+} ion [D. von Lindenfels et al., Phys. Rev. Lett. 123, 080602 (2019)0031-900710.1103/PhysRevLett.123.080602]. We provide a general framework for reliably studying the finite-time nanoengine in finite-time operation which accounts for quantum friction and coherence, deriving important insights into the thermodynamic behaviors beyond the classical thermal machines.
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- 2023
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17. Unraveling the multiple roles of VUV mediated hydroxyl radical in VUV/UV/chlorine process: Kinetic simulation, mechanistic consideration and byproducts formation
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Qin, Wenlei, Liu, Zhixiong, Lin, Zhuang, Wang, Yan, Dong, Huiyu, Yuan, Xiangjuan, Qiang, Zhimin, and Xia, Dongsheng
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- 2022
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18. Nuclearity enlargement from [PW9O34@Ag51] to [(PW9O34)2@Ag72] and 2D and 3D network formation driven by bipyridines
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Zhi Wang, Yan-Jie Zhu, Ying-Zhou Li, Gui-Lin Zhuang, Ke-Peng Song, Zhi-Yong Gao, Jian-Min Dou, Mohamedally Kurmoo, Chen-Ho Tung, and Di Sun
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Science - Abstract
Controlling the structural transformations of metal clusters is challenging. Here, the authors synthesize a silver nanocluster and study the structural changes that take place upon reaction with bipyridine derivatives.
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- 2022
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19. A lightweight rotationally arranged auxetic structure with excellent energy absorption performance
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Zhang, Wei-Ming, Li, Zhen-Yu, Yang, Jin-Shui, Ma, Li, Lin, Zhuang, Schmidt, Rüdiger, and Schröder, Kai-Uwe
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- 2022
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20. Preparation of SiO2@Au Nanoparticle Photonic Crystal Array as Surface-Enhanced Raman Scattering (SERS) Substrate
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Dingyu Song, Tianxing Wang, and Lin Zhuang
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SERS ,photonic crystal ,silica nanoparticle ,spin-coating ,localized surface plasmon resonance effect ,Chemistry ,QD1-999 - Abstract
Surface-enhanced Raman scattering technology plays a prominent role in spectroscopy. By introducing plasmonic metals and photonic crystals as a substrate, SERS signals can achieve further enhancement. However, the conventional doping preparation methods of these SERS substrates are insufficient in terms of metal-loading capacity and the coupling strength between plasmonic metals and photonic crystals, both of which reduce the SERS activity and reproducibility of SERS substrates. In this work, we report an approach combining spin-coating, surface modification, and in situ reduction methods. Using this approach, a photonic crystal array of SiO2@Au core–shell structure nanoparticles was prepared as a SERS substrate (SiO2@Au NP array). To study the SERS properties of these substrates, Rhodamine 6G was employed as the probe molecule. Compared with a Au-SiO2 NP array prepared using doping methods, the SiO2@Au NP array presented better SERS properties, and it reproduced the SERS spectra after one month. The detection limit of the Rhodamine 6G on SiO2@Au NP array reached 1 × 10−8 mol/L; furthermore, the relative standard deviation (9.82%) of reproducibility and the enhancement factor (1.51 × 106) were evaluated. Our approach provides a new potential option for the preparation of SERS substrates and offers a potential advantage in trace contaminant detection, and nondestructive testing.
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- 2023
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21. A new acidic microenvironment related lncRNA signature predicts the prognosis of liver cancer patients
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Peng Jiang, Wenbo Xue, Cheng Xi, Lin Zhuang, Zhiping Yuan, Zhilin Liu, Tao Sun, Xuezhong Xu, Yulin Tan, and Wei Ding
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acidic microenvironment ,lncRNAs ,liver cancer ,immune infiltration ,drug therapy ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
BackgroundThe acidic microenvironment (AME), like hypoxia, inflammation, or immunoreaction, is a hallmark of the tumor microenvironment (TME). This work aimed to develop a prediction signature dependent on AME-associated lncRNAs in order to predict the prognosis of LC individuals.MethodsWe downloaded RNA-seq information and the corresponding clinical and predictive data from The Cancer Genome Atlas (TCGA) dataset and conducted univariate and multivariate Cox regression analyses to identify AME-associated lncRNAs for the construction of a prediction signature The Kaplan-Meier technique was utilized to determine the overall survival (OS) rate of the high (H)-risk and low (L)-risk groups. Using gene set enrichment analysis (GSEA) the functional variations between the H- and L-risk groups were investigated. The association between the prediction signature and immunological state was investigated using single-sample GSEA (ssGSEA). Additionally, the association between the predicted signature and the therapeutic response of LC individuals was evaluated. Lastly, quantitative reverse transcription polymerase chain reaction (qRT-PCR) was performed to verify the risk model.ResultsWe generated a signature comprised of seven AME-associated lncRNAs (LINC01116, AC002511.2, LINC00426, ARHGAP31-AS1, LINC01060, TMCC1-AS1, AC012065.1). The H-risk group had a worse prognosis than the L- risk group. The AME-associated lncRNA signature might determine the prognosis of individuals with LC independently. The AME-related lncRNA signature shows a greater predictive effectiveness than clinic-pathological factors, with an area under the receiver operating characteristic (ROC) curve of 0.806%. When participants were categorized based on several clinico-pathological characteristics, the OS of high-risk individuals was shorter compared to low-risk patients. GSEA demonstrated that the metabolism of different acids and the PPAR signaling pathway are closely associated with low-risk individuals. The prognostic signature was substantially associated with the immunological status of LC individuals, as determined by ssGSEA. High risk individuals were more sensitive to some immunotherapies (including anti-TNFSF4 anti-SIRPA, anti-CD276 and anti-TNFSF15) and some conventional chemotherapy drugs (including lapatinib and paclitaxel). Finally, the expression levels of the seven lncRNAs comprising the signature were tested by qRT-PCR.ConclusionsA basis for the mechanism of AME-associated lncRNAs in LC is provided by the prediction signature, which also offers clinical therapeutic recommendations for LC individuals.
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- 2022
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22. Numerical investigation into the effect of the internal opening arrangements on motion responses of a damaged ship
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Zhang, XinLong, Lin, Zhuang, Mancini, Simone, Pang, Zhanwei, Li, Ping, and Liu, Fei
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- 2021
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23. A novel difficulty scoring system of laparoscopic liver resection for liver tumor
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Cheng Xi, Maoqun Zhu, Tianhao Ji, Yulin Tan, Lin Zhuang, Zhiping Yuan, Zheng Zhang, Litian Xu, Zhilin Liu, Xuezhong Xu, Wenbo Xue, and Wei Ding
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difficulty scoring system ,laparoscopic surgery ,liver resection ,liver tumor ,outcome ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
ObjectivesTo develop a novel difficulty scoring system (NDSS) to predict the surgical difficulty of laparoscopic hepatectomy.Patients and methodsA total of 138 patients with liver tumors performed liver resection (LLR) between March 2017 to June 2022 were selected from Affiliated Hospital of Jiangnan University and Wujin Hospital Affiliated with Jiangsu University.Patient demographics, laboratory tests, intraoperative variables, pathological characteristics were assessed. We also assessed the Child Pugh score and the DSS-B score.ResultsPatients were divided into training and testing cohort according to their hospital. Patients in training cohort were divided into high and low difficult groups based on operation time, blood loss and conversion. Higher percentage of patients with malignant liver tumor (87.0% vs. 58.1%; P = 0.003) or history of hepatobiliary surgery (24.1% vs. 7.0%; P = 0.043) in high difficult group than in low difficult group. To improve the difficulty scoring system, we incorporated the history of hepatobiliary surgery and nature of the tumor. A novel difficulty scoring system was established. The results showed that the operation time (P < 0.001), blood loss (P < 0.001), ALT (P < 0.001) and AST (P = 0.001) were associated with the novel difficulty score significantly. Compared with DSS-B, the NDSS has a higher area under the receiver operating characteristic (AUROC) (0.838 vs. 0.814). The nomogram was established according to the NDSS. The AUROCs of the nomogram in training and testing cohort were 0.833 and 0.767. The calibration curves for the probability of adverse event showed optimal agreement between the probability as predicted by the nomogram and the actual probability.ConclusionsWe developed a nomogram with the NDSS that can predict the difficulty of LLR. This system could more accurately reflect the difficulty of surgery and help liver surgeons to make the surgical plan and ensure the safety of the operation.
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- 2022
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24. Activities of daily living and its influencing factors for older people with type 2 diabetes mellitus in urban communities of Fuzhou, China
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Jin-Hua Jie, Dan Li, Li-Na Jia, Yifeng Chen, Yan Yang, Bailing Zheng, Chuancheng Wu, Baoying Liu, Rongxian Xu, Jianjun Xiang, and Hai-Lin Zhuang
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type 2 diabetes ,ADL ,elderly ,functional limitation ,comorbidities ,Fuzhou ,Public aspects of medicine ,RA1-1270 - Abstract
BackgroundType 2 diabetes mellitus (T2DM) is an independent risk factor for functional limitations among the older population. The predicted increase in T2DM cases combined with the ongoing rapidly aging population may further burden the already overloaded healthcare system and aggravate the loss of economic self-sufficiency. This study aimed to investigate the activities of daily living (ADL) and its influencing factors on older people with T2DM, and to provide implications for the development and improvement of community nursing services in the context rapidly aging population in China.MethodsFrom March 2019 to June 2020, we conducted a cross-sectional questionnaire survey among older T2DM patients in Fuzhou, using a multi-stage cluster sampling approach. Functional status was measured by the Lawton ADL scale. Stata “nptrend” test was used to examine the trend of ordinal variables on ADL. Non-conditional logistic regression was used to identify factors affecting ADL limitations.ResultsA total of 2016 questionnaires were received, with a response rate of 96%. 12.4% of participants suffered from varying degrees of functional impairment. ADL limitations increased with age. More comorbidities were associated with a greater risk of developing functional limitations in ADLs. the following sub-groups were more likely to suffer from ADL impairment: those aged 70 and over years (OR = 1.99, 95%CI 1.77–2.56), living in an aged care house or with spouse/children (OR = 2.31, 95%CI 1.25–4.26), low monthly income (OR = 1.49, 95%CI 1.28–1.64), without health insurance (OR = 1.82, 95%CI 1.40–2.40), tight family expenses (OR = 1.95, 95%CI 1.42–2.69), having stroke (OR = 6.70, 95%CI 2.22–20.23) or malignant tumor (OR = 4.45, 95%CI 1.27–15.53), irregular eating habit (OR = 2.55, 95%CI 2.23–2.92), smoking (OR = 1.40, 95%CI 1.22–1.60), sedentary lifestyle (OR = 2.04, 95%CI 1.46–2.85), lack of physical exercise (OR = 1.35, 95%CI 1.19–1.53), sleeping difficulty (OR = 1.25, 95%CI 1.10–1.42), and lack of family support (OR = 1.19, 95%CI 1.10–1.29).ConclusionOlder adults (≥70 years) with T2DM had a high prevalence of functional limitations across a range of daily living tasks, which not only affect individual life of quality but also present a huge burden on the family, health services system, and the whole society. Identified factors associated with ADL limitations may provide useful information for targeted nursing practice and health promotion.
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- 2022
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25. Author Correction: Therapeutic efficacy of programmed spatial anatomy of the myopectineal orifice in total extraperitoneal hernioplasty: a retrospective study
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Lin Zhuang, Yuanjiu Li, Wei He, Xiaodong Zhou, Yan Chen, Xiaozhong Wang, Bo Wang, Xuezhong Xu, Kejia Wu, Qiutao Zhang, Dong Xi, and Yunjie Lu
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Medicine ,Science - Published
- 2023
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26. Kinetics and mechanism of sulfate radical- and hydroxyl radical-induced degradation of Bisphenol A in VUV/UV/peroxymonosulfate system
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Lin, Zhuang, Qin, Wenlei, Sun, Lei, Yuan, Xiangjuan, and Xia, Dongsheng
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- 2020
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27. Kinetic and mechanistic insights into the abatement of clofibric acid by integrated UV/ozone/peroxydisulfate process: A modeling and theoretical study
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Qin, Wenlei, Lin, Zhuang, Dong, Huiyu, Yuan, Xiangjuan, Qiang, Zhimin, Liu, Shaogang, and Xia, Dongsheng
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- 2020
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28. An alternative method of Bakri balloon placement for postpartum hemorrhage after vaginal delivery.
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Xiaoyin Wang, Mei Yan, Lin Zhuang, Zhou Xu, Hongying Yi, Qingping Zhao, Xiaoqin Chen, Lin Chen, Xue Wu, Xingmei Li, and Yanqing Yao
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MEDICAL research ,MEDICAL sciences ,GYNECOLOGY ,DISEASES in women ,DELIVERY (Obstetrics) - Abstract
Objectives: We developed a new Bakri balloon tamponade (BBT) placement technique after vaginal delivery, which aimed to be faster without balloon slippage. This study compared the new method with standard placement of BBT in women with postpartum hemorrhage (PPH) after vaginal delivery. Material and methods: This study was undertaken of women who underwent vaginal delivery at the obstetrics and gynecology departments of the Hospital of Chengdu University of Traditional Chinese Medicine, Sichuan Provincial Hospital for Women and Children, and Si Chuan JINXIN Women and Children Hospital between January 2014 and December 2020. Women who underwent BBT for PPH were grouped according to placement method into the old-BBT group and the new-BBT group. Results: Of 20487 childbirths by vaginal delivery, 512 (2.50%) had PPH, 77 women underwent BBT (old-BBT n = 28, new-BBT n = 49). Background characteristics were similar except prothrombin time (PT, p < 0.01) and activated partial thromboplastin time (APTT, p < 0.004) were lower in the new-BBT group than the old-BBT group. The operation time was shorter in the new-BBT group (p < 0.001) with less bleeding (p < 0.003) and saline injection (p < 0.001). A balloon slippage was less likely (p < 0.008) and postoperative bleeding (p < 0.01), transfusion rate (p < 0.03), transfusion volume (p < 0.002), and hospital stay was lower in the new-BBT group (p < 0.015). Multivariate analysis suggested PT (OR = 0.039, 95% CI: 0.002-0.730, p < 0.030), international normalized ratio (OR = 8.244, 95% CI: 3.807-17.850, p < 0.009), and BBT method (OR = 5.200, 95% CI: 1.745-15.493, p < 0.003), were associated with requiring a blood transfusion. Conclusions: This method of BBT placement reduced operation time, balloon slippage, bleeding, and hospital stay in women with PPH after vaginal delivery. [ABSTRACT FROM AUTHOR]
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- 2024
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29. Peramivir, an Anti-Influenza Virus Drug, Exhibits Potential Anti-Cytokine Storm Effects
- Author
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Chen-xi Zhang, Ye Tu, Xiao-chen Sun, Da-gui Chen, Wan-nian Zhang, Chun-lin Zhuang, Zhi-bin Wang, and Li Su
- Subjects
cytokine storm syndrome ,COVID-19 ,peramivir ,acute lung injury ,multi-cytokines ,Immunologic diseases. Allergy ,RC581-607 - Abstract
Coronavirus Disease 2019 (COVID-19) infected by Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) has been declared a public health emergency of international concerns. Cytokine storm syndrome (CSS) is a critical clinical symptom of severe COVID-19 patients, and the macrophage is recognized as the direct host cell of SARS-CoV-2 and potential drivers of CSS. In the present study, peramivir was identified to reduce TNF-α by partly intervention of NF-κB activity in LPS-induced macrophage model. In vivo, peramivir reduced the multi-cytokines in serum and bronchoalveolar lavage fluid (BALF), alleviated the acute lung injury and prolonged the survival time in mice. In human peripheral blood mononuclear cells (hPBMCs), peramivir could also inhibit the release of TNF-α. Collectively, we proposed that peramivir might be a candidate for the treatment of COVID-19 and other infections related CSS.
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- 2022
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30. Experimental investigations on the resistance performance of a high-speed partial air cushion supported catamaran
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Yang, Jinglei, Lin, Zhuang, Li, Ping, Guo, Zhiqun, Sun, Hanbing, and Yang, Dongmei
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- 2020
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31. A numerical investigation on the effect of symmetric and asymmetric flooding on the damage stability of a ship
- Author
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Zhang, XinLong, Lin, Zhuang, Li, Ping, Liu, DengKe, Li, Ze, Pang, ZhanWei, and Wang, MeiQi
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- 2020
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32. Biological, clinical and epidemiological features of COVID-19, SARS and MERS and AutoDock simulation of ACE2
- Author
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Xue-Yan Zhang, Hao-Jie Huang, Dong-Lin Zhuang, Moussa Ide Nasser, Ming-Hua Yang, Ping Zhu, and Ming-Yi Zhao
- Subjects
COVID-19 ,Coronavirus ,SARS ,MERS ,Autodock ,Infectious and parasitic diseases ,RC109-216 ,Public aspects of medicine ,RA1-1270 - Abstract
Abstract Background The outbreak of coronavirus disease 2019 (COVID-19) has caused a public catastrophe and global concern. The main symptoms of COVID-19 are fever, cough, myalgia, fatigue and lower respiratory tract infection signs. Almost all populations are susceptible to the virus, and the basic reproduction number (R 0) is 2.8–3.9. The fight against COVID-19 should have two aspects: one is the treatment of infected patients, and the other is the mobilization of the society to avoid the spread of the virus. The treatment of patients includes supportive treatment, antiviral treatment, and oxygen therapy. For patients with severe acute respiratory distress syndrome (ARDS), extracorporeal membrane oxygenation (ECMO) and circulatory support are recommended. Plasma therapy and traditional Chinese medicine have also achieved good outcomes. This review is intended to summarize the research on this new coronavirus, to analyze the similarities and differences between COVID-19 and previous outbreaks of severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS) and to provide guidance regarding new methods of prevention, diagnosis and clinical treatment based on autodock simulations. Methods This review compares the multifaceted characteristics of the three coronaviruses including COVID-19, SARS and MERS. Our researchers take the COVID-19, SARS, and MERS as key words and search literatures in the Pubmed database. We compare them horizontally and vertically which respectively means concluding the individual characteristics of each coronavirus and comparing the similarities and differences between the three coronaviruses. Results We searched for studies on each outbreak and their solutions and found that the main biological differences among SARS-CoV-2, SARS-CoV and MERS-CoV are in ORF1a and the sequence of gene spike coding protein-S. We also found that the types and severity of clinical symptoms vary, which means that the diagnosis and nursing measures also require differentiation. In addition to the common route of transmission including airborne transmission, these three viruses have their own unique routes of transmission such as fecal-oral route of transmission COVID-19. Conclusions In evolutionary history, these three coronaviruses have some similar biological features as well as some different mutational characteristics. Their receptors and routes of transmission are not all the same, which makes them different in clinical features and treatments. We discovered through the autodock simulations that Met124 plays a key role in the efficiency of drugs targeting ACE2, such as remdesivir, chloroquine, ciclesonide and niclosamide, and may be a potential target in COVID-19.
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- 2020
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33. A 235U mass measurement method for UO2 rod assembly based on the n/γ joint measurement system
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Jianqing Yang, Quanhu Zhang, Xianghua Su, Sufen Li, Lin Zhuang, Suxia Hou, Yonggang Huo, Hao Zhou, and Guorong Liu
- Subjects
Nuclear engineering. Atomic power ,TK9001-9401 - Abstract
Fast-Neutron Multiplicity Counter based on Liquid Scintillator Detector can directly measure the fast neutron multiplicity emitted by UO2 rod. HPGe gamma spectrometer; which has superior energy resolution; is routinely used for the gamma energy spectrum measurement. Combing Fast-Neutron Multiplicity Counter and HPGe γ-spectrometer, the n/γ joint measurement system is developed. The fast neutron multiplicity and gamma energy spectrum of UO2 rod assemblies under different conditions are measured by the n/γ joint measurement system. The induced fission rate and the 235U abundance, thereby the 235U mass; can be obtained for UO2 rod assemblies. The 235U mass deviation of the measured value from the reference value is less than 5%. The results show that the n/γ joint measurement system is effective and applicable in the measurement of the 235U mass in samples. Keywords: Fast-neutron multiplicity counter, n/γ joint measurement system, Liquid scintillator detector, HPGe γ spectrometer, UO2 rod assembly, 235U mass
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- 2020
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34. Temperature dependence of spherical electron transfer in a nanosized [Fe14] complex
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Wei Huang, Shuqi Wu, Xiangwei Gu, Yao Li, Atsushi Okazawa, Norimichi Kojima, Shinya Hayami, Michael L. Baker, Peter Bencok, Mariko Noguchi, Yuji Miyazaki, Motohiro Nakano, Takumi Nakanishi, Shinji Kanegawa, Yuji Inagaki, Tatsuya Kawae, Gui-Lin Zhuang, Yoshihito Shiota, Kazunari Yoshizawa, Dayu Wu, and Osamu Sato
- Subjects
Science - Abstract
Fast intermetallic electron transfer is expected in principle in nanozised transition metal complexes, but has been prevented by the bridging ligands. Here the authors synthesize a mixed-valence iron metal-ligand nanocluster with cyanide bridges, showing extended delocalized electronic structure
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- 2019
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35. Natural Indole Alkaloids from Marine Fungi: Chemical Diversity and Biological Activities
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Jiao Li and Chun-Lin Zhuang
- Subjects
marine fungi ,indole alkaloids ,structural diversity ,biological activity ,Pharmacy and materia medica ,RS1-441 - Abstract
Abstract The indole scaffold is one of the most important heterocyclic ring systems for pharmaceutical development, and serves as an active moiety in several clinical drugs. Fungi derived from marine origin are more liable to produce novel indole-containing natural products due to their extreme living environments. The indole alkaloids from marine fungi have drawn considerable attention for their unique chemical structures and significant biological activities. This review attempts to provide a summary of the structural diversity of marine fungal indole alkaloids including prenylated indoles, diketopiperazine indoles, bisindoles or trisindoles, quinazoline-containing indoles, indole-diterpenoids, and other indoles, as well as their known biological activities, mainly focusing on cytotoxic, kinase inhibitory, antiinflammatory, antimicrobial, anti-insecticidal, and brine shrimp lethal effects. A total of 306 indole alkaloids from marine fungi have been summarized, covering the references published from 1995 to early 2021, expecting to be beneficial for drug discovery in the future.
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- 2021
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36. The Determination of PZC and Differential Capacitance Curve of Platinum-Alkaline Polymer Electrolyte Interface.
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Chen-Xi Liu, Ze-Ping Zou, Mei-Xue Hu, Yu Ding, Yu Gu, Shuai Liu, Wen-Jing Nan, Yi-Chang Ma, Zhao-Bin Chen, Dong-Ping Zhan, Qiu-Gen Zhang, Lin Zhuang, Jia-Wei Yan, and Bing-Wei Mao
- Subjects
POLYELECTROLYTES ,ELECTRIC capacity ,CYCLIC voltammetry ,ELECTRODES ,POINTS of zero charge - Abstract
Copyright of Journal of Electrochemistry is the property of Journal of Electrochemistry Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2024
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37. B-scan ultrasound and cytology of the vitreous in primary central nervous system lymphoma with vitreoretinal involvement
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Jie Lai, Kun Chen, Hui-Min Shi, Lin Zhuang, Xian Zhou, Jian-Jiang Xiao, Yi Li, Bo-Bin Chen, and Qing-Ping Wang
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primary central nervous lymphoma ,intraocular lymphoma ,b-scan ultrasound ,vitrectomy ,interleukin-10 ,Ophthalmology ,RE1-994 - Abstract
AIM: To evaluate the diagnostic value of B-scan ultrasound and explore the cytological characteristics of patients with vitreoretinal lymphoma (VRL) and primary central nervous system lymphoma (PCNSL). METHODS: The clinical data and pathologic specimens from patients with VRL diagnosed at the North Huashan Hospital from 2016 to 2017 were retrospectively reviewed. The patients were diagnosed by slit lamp ophthalmoscopy, B-scan ultrasound, cytology of the vitreous, which was obtained by vitrectomy, and cytokine measurements of interleukin (IL)-10 and IL-6. RESULTS: Twenty-six eyes (19.4%) out of 134 eyes of 67 patients (47 men and 20 women) with PCNSL were diagnosed with VRL by B-scan ultrasound, and 14 eyes (10.4%) were diagnosed by slit lamp ophthalmoscopy. Twenty-four eyes (17.9%) of 17 patients were confirmed as having VRL with cytology. No difference in the association between intracranial lesion location and ocular involvement was found. VRL patients had higher levels of vitreous IL-10 and IL-10/IL-6 when compared with macular hole cases, but the difference was not statistically significant. CONCLUSION: A total of 25.4% of the PCNSL patients had VRL, B-scan ultrasound examination had characteristic features and is recommended over slit lamp ophthalmoscopy for the screening diagnosis of PCNSL with intraocular involvement. Moreover, the cytological and immunohistochemical analyses performed after 25-gauge diagnostic vitrectomy were accurate diagnostic techniques.
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- 2019
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38. Synergistic Mn-Co catalyst outperforms Pt on high-rate oxygen reduction for alkaline polymer electrolyte fuel cells
- Author
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Ying Wang, Yao Yang, Shuangfeng Jia, Xiaoming Wang, Kangjie Lyu, Yanqiu Peng, He Zheng, Xing Wei, Huan Ren, Li Xiao, Jianbo Wang, David A. Muller, Héctor D. Abruña, Bing Joe Hwang, Juntao Lu, and Lin Zhuang
- Subjects
Science - Abstract
Alkaline polymer electrolyte fuel cells are promising power sources, but performance is limited by catalytic activity. Here the authors report a non-precious metal-based catalyst for electrocatalytic oxygen reduction that imparts outstanding fuel cell performance.
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- 2019
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39. Slim cigarette smoking in Urban China: Who are the early adopters and why?
- Author
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Jijiang Wang, Shiushing Wong, Yue-Lin Zhuang, Yuan Jiang, and Shu-Hong Zhu
- Subjects
Medicine ,Science - Abstract
Sales data in China indicate that slim cigarette consumption has increased dramatically over the last few years. This study examined who smoked slim cigarettes and the reasons for adopting these new products. A survey of an online panel from 19 Chinese cities was conducted from October 2018 to April 2019 with 20,055 members aged 16 and older. Among the 31.7% [95% confidence interval (CI) = 30.1-33.4] of panel members who reported currently smoking, 37.7% (95% CI = 34.8-40.5) smoked slim cigarettes. Among smokers, women were significantly more likely to smoke slim cigarettes than men [56.5% (95% CI = 50.8-62.2) vs. 35.5% (95% CI = 32.8-38.1)]. Smokers with a bachelor's degree were more likely to smoke slim cigarettes than those without [41.3% (95% CI = 38.1-44.4) vs. 33.1% (95% CI = 30.0-36.1)]. Most slim cigarette smokers were dual smokers [77.7% (95% CI = 75.3-80.1)], smoking both regular and slim cigarettes. Among dual smokers, 97.5% (95% CI = 96.7-98.3) started smoking regular cigarettes before slim cigarettes. Of the many reasons given for smoking slim cigarettes, 37.0% (95% CI = 34.3-39.7) directly related to harm reduction with another 10.1% (95% CI = 8.4-11.7) reporting their reason as wanting "to reduce consumption of regular cigarettes," a plausible indication of harm reduction. These findings suggest strong interest in harm reduction among the current Chinese smoking population and that the popularity of slim cigarettes is likely to increase, with the more educated as the early adopters. Given the absence of any evidence that these products actually reduce harm, it is urgent that the public health community be on high alert in order to avoid repeating the sad history of low-tar cigarettes, when a supposed harm-reduction product misled the field of tobacco control.
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- 2021
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40. Drug repurposing of anti-infective clinical drugs: Discovery of two potential anti-cytokine storm agents
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Li Su, Ye Tu, De-pei Kong, Da-gui Chen, Chen-xi Zhang, Wan-nian Zhang, Chun-lin Zhuang, and Zhi-bin Wang
- Subjects
Cytokine storm ,COVID-19 ,Entecavir ,Imipenem ,Drug repurposing ,Anti-inflammation ,Therapeutics. Pharmacology ,RM1-950 - Abstract
Coronavirus Disease 2019 (COVID-19) caused by Severe Acute Respiratory Syndrome Coronavirus -2 (SARS-CoV-2) has been widely spread in the world with a high mortality. Cytokine storm syndrome (CSS) and acute lung injury caused by SARS-CoV-2 infection severely threaten the patients. With the purpose to find effective and low-toxic drugs to mitigate CSS, entecavir and imipenem were identified to reduce TNF-α using a LPS-induced macrophage model from the anti-infective drug library. Entecavir and imipenem efficiently suppressed the release of inflammatory cytokines by partly intervention of NF-κB activity. The acute lung injury was also alleviated and the survival time was prolonged in mice. In addition, entecavir and imipenem inhibited the release of TNF-α and IL-10 in human peripheral blood mononuclear cells (hPBMCs). Collectively, we proposed that entecavir and imipenem might be candidates for the treatment of CSS.
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- 2020
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41. Genome- and Transcriptome-Wide Identification of C3Hs in Common Bean (Phaseolus vulgaris L.) and Structural and Expression-Based Analyses of Their Functions During the Sprout Stage Under Salt-Stress Conditions
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Qi Zhang, Wen-jing Zhang, Zhen-gong Yin, Wei-jia Li, Hao-hao Zhao, Shuo Zhang, Lin Zhuang, Yu-xin Wang, Wen-Hui Zhang, and Ji-Dao Du
- Subjects
C3H gene family ,common bean ,sprout stage ,salt stress ,gene expression analysis ,transcriptome ,Genetics ,QH426-470 - Abstract
CCCH (C3H) zinc-finger proteins are involved in plant biotic and abiotic stress responses, growth and development, and disease resistance. However, studies on C3H genes in Phaseolus vulgaris L. (common bean) are limited. Here, 29 protein-encoding C3H genes, located on 11 different chromosomes, were identified in P. vulgaris. A phylogenetic analysis categorized the PvC3Hs into seven subfamilies on the basis of distinct features, such as exon–intron structure, cis-regulatory elements, and MEME motifs. A collinearity analysis revealed connections among the PvC3Hs in the same and different species. The PvC3H genes showed tissue-specific expression patterns during the sprout stage, as assessed by real-time quantitative PCR (RT-qPCR). Using RNA-sequencing and RT-qPCR data, PvC3Hs were identified as being enriched through Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analyses in binding, channel activity, and the spliceosome pathway. These results provide useful information and a rich resource that can be exploited to functionally characterize and understand PvC3Hs. These PvC3Hs, especially those enriched in binding, channel activity, and the spliceosome pathway will further facilitate the molecular breeding of common bean and provide insights into the correlations between PvC3Hs and salt-stress responses during the sprout stage.
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- 2020
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42. Photo-generated dinuclear {Eu(II)}2 active sites for selective CO2 reduction in a photosensitizing metal-organic framework
- Author
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Zhi-Hao Yan, Ming-Hao Du, Junxue Liu, Shengye Jin, Cheng Wang, Gui-Lin Zhuang, Xiang-Jian Kong, La-Sheng Long, and Lan-Sun Zheng
- Subjects
Science - Abstract
Solar-to-chemical CO2 reduction provides a means to use light’s energy for CO2 removal and upgrading to useful products, although this photochemical conversion is challenging. Here, authors construct a Europium-containing metal-organic framework that selectively converts CO2 to formate with light.
- Published
- 2018
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43. Amphotericin B suppresses M2 phenotypes and B7-H1 expression in macrophages to prevent Raji cell proliferation
- Author
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Jing Zhang, Dongqing Cao, Shuangquan Yu, Lingchao Chen, Daolin Wei, Chang Shen, Lin Zhuang, Qian Wang, Xiaoping Xu, and Yin Tong
- Subjects
Macrophage ,Burkitt’s lymphoma ,Amphotericin B ,B7-H1 ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Abstract Background Macrophages in the tumor microenvironment play a critical role in tumorigenesis and anti-cancer drug resistance. Burkitt’s lymphoma (BL) is a B-cell non-Hodgkin’s lymphoma with dense macrophage infiltration. However, the role for macrophages in BL remains largely unknown. Methods B7-H1, a transmembrane glycoprotein in the B7 family, suppresses T cell activation and proliferation and induces the apoptosis of activated T cells. The expression of B7-H1 in BL clinical tissues was determined by streptavidin-peroxidase immunohistochemistry. The mutual regulation between macrophages and BL Raji cells was investigated in a co-culture system. The cell proliferation and cell cycle distribution of Raji cells were determined using BrdU staining coupled with flow cytometry. CD163, CD204 and B7-H1 expression was assessed by flow cytometry and Western blot. Cell invasion was analyzed by Transwell assay. The expression of cytokines was detected by quantitative RT-PCR. Immunofluorescence and allogeneic T-cell proliferation assays were used to compare the expression of B7-H1, p-STAT6, or p-STAT3 and CD3+ T cell proliferation treated with or without amphotericin B. Results B7-H1 was highly expressed in tumor infiltration macrophages in most clinical BL tissues. In vitro, Raji cells synthesized IL-4, IL-6, IL-10 and IL-13 to induce CD163, CD204 and B7-H1 expression in co-cultured macrophages, which in turn promoted Raji cell proliferation and invasion. Interestingly, antifungal agent amphotericin B not only inhibited STAT6 phosphorylation to suppress the M2 polarization of macrophages, but also promoted CD3+ T cell proliferation by regulating B7-H1 protein expression in macrophages. Conclusion Amphotericin B might represent a novel immunotherapeutic approach to treat patients with BL.
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- 2018
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44. Relationship between the genetic polymorphisms of vicR and vicK Streptococcus mutans genes and early childhood caries in two-year-old children
- Author
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Pei Lin Zhuang, Li Xia Yu, Juan Kun Liao, Yan Zhou, and Huan Cai Lin
- Subjects
Dental caries ,Genetic polymorphism ,Missense mutation ,Streptococcus mutans ,Dentistry ,RK1-715 - Abstract
Abstract Background The VicRK two-component signalling system regulates virulence and cariogenicity in Streptococcus mutans (S. mutans). The purpose of this study was to explore the genetic polymorphisms of the vicR and vicK genes, which are associated with dental caries in children with S. mutans. Methods In this study, 121 (from each group) clinical S. mutans strains were isolated from caries-free children and children with high-severity caries to sequence the vicR and vicK genes. Genomic DNA was extracted from S. mutans strains and amplified using PCR. The PCR products were purified and sequenced. A chi-squared test and ABI Variant Reporter software were used to analyse the sequencing results. Results The 242 clinically isolated S. mutans strains contained the full-length vicR and vicK genes. No nucleotide sequence insertions or deletions were observed in the two genes. Four silent point mutations were identified in the vicR genes, and no missense mutations could be detected. Forty-one mutations were identified in the vicK genes. In addition to 32 silent mutations, 9 missense mutations at the 173, 337, 470, 1051, 1132, 1258, 1260, 1277, and 1348 bp positions were found. The distribution frequencies of the missense mutations were not significantly different between the groups, except for the C470T mutation. The frequency of the C470T missense mutation was higher in the high-severity caries group than in the caries-free group. Conclusions vicR sequences are highly conserved in S. mutans clinical isolates. The locus 470 missense mutation of the vicK gene may be related to caries in children with S. mutans.
- Published
- 2018
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45. Identification of a novel small-molecule Keap1–Nrf2 PPI inhibitor with cytoprotective effects on LPS-induced cardiomyopathy
- Author
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Cheng-Shi Jiang, Chun-Lin Zhuang, Kongkai Zhu, Juan Zhang, Luis Alexandre Muehlmann, João Paulo Figueiró Longo, Ricardo Bentes Azevedo, Wen Zhang, Ning Meng, and Hua Zhang
- Subjects
Keap1 ,Nrf2 ,protein–protein interaction inhibitor ,cytoprotective ,septic cardiomyopathy ,Therapeutics. Pharmacology ,RM1-950 - Abstract
A new Keap1–Nrf2 protein–protein interaction (PPI) inhibitor ZJ01 was identified from our compound library by fluorescence polarization assay, surface plasmon resonance, molecular docking and molecular dynamics simulation. ZJ01 could in vitro trigger Nrf2 nuclear translocation, subsequently resulting in increased mRNA levels of Nrf2 target genes HO-1 and NQO1. Meanwhile, ZJ01 suppressed LPS-induced production of ROS and the mRNA levels of pro-inflammatory cytokines TNF-α, IL-1β and IL-6 in H9c2 cardiac cells. Moreover, in an in vivo mouse model of septic cardiomyopathy induced by intraperitoneal injection of lipopolysaccharide, ZJ01 demonstrated a cytoprotective effect, upregulated Nrf2 protein nuclear accumulation, and remarkably suppressed the abovementioned cytokine levels in cardiomyocytes. The results presented herein provided a novel chemotype for the development of direct Keap1–Nrf2 PPI inhibitors and suggested that compound ZJ01 is a promising drug lead for septic cardiomyopathy treatment. ZJ01 was identified as a new Keap1–Nrf2 PPI inhibitor and drug lead for septic cardiomyopathy treatment by in vitro and in vivo experiments.
- Published
- 2018
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46. Sound transmission across locally resonant honeycomb sandwich meta-structures with large spatial periodicity.
- Author
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Jin, Yang, Wang, Yu-Zhou, Li, Xing-Yu, Lin, Zhuang, Wu, Qian-Qian, and Wu, Lin-Zhi
- Abstract
Honeycomb sandwich structures have been widely used in the field of engineering owing to their outstanding mechanical properties. However, for a honeycomb sandwich structure with large spatial periodicity, there is a low-frequency sound insulation valley. Here, the sound transmission across locally resonant honeycomb sandwich meta-structures was investigated to overcome this sound-insulation valley. An analytical model was developed based on the space-harmonic approach and the low-frequency sound insulation valley was determined analytically and numerically. The results indicate that the resonator distributed at the center of the face panel has a significant impact on the sound transmission performance of the honeycomb sandwich structure, whereas the resonator distributed on the wall of the honeycomb core does not contribute to overcoming this sound-insulation valley. Based on the research results, a design strategy for overcoming this sound-insulation valley was determined by tuning the damping parameter and constructing graded resonators. Moreover, sound transmission under the excitation of oblique incidence sound waves was also investigated. Compared with the method of filling porous materials, the proposed design method is more effective, and more importantly, the mass of the resonator is only 1.23% of that of the porous materials. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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47. High performance platinum single atom electrocatalyst for oxygen reduction reaction
- Author
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Jing Liu, Menggai Jiao, Lanlu Lu, Heather M. Barkholtz, Yuping Li, Ying Wang, Luhua Jiang, Zhijian Wu, Di-jia Liu, Lin Zhuang, Chao Ma, Jie Zeng, Bingsen Zhang, Dangsheng Su, Ping Song, Wei Xing, Weilin Xu, Zheng Jiang, and Gongquan Sun
- Subjects
Science - Abstract
High-performance electrocatalysts for the oxygen reduction reaction (ORR) typically use platinum (Pt), however its high cost is a hindrance to commercial scale up. Here, the authors report a cost-effective, efficient and durable Pt single-atom electrocatalyst for ORR with a Pt utilization of 0.13 gPt kW−1in a fuel cell.
- Published
- 2017
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48. Establishment of a novel human lymphoblastic cell strain with the long arm of chromosome 11 aberration without MLL rearrangement
- Author
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Qian Wang, Lin Zhuang, Pei Li, Qiang Niu, Ping Zhu, Miao-Xia He, Hui Jiang, Chang-Cheng Liu, Min-Jun Wang, Li Chen, Hui Cheng, Yan Ma, Xiao-Xia Hu, Yi-Ping Hu, and Xiao-Ping Xu
- Subjects
Medicine ,Science - Abstract
Abstract At present, all cell strains derived from acute lymphoblastic leukemia (ALL) patients with the long arm of chromosome 11 aberration are accompanied with mixed lineage leukemia (MLL) gene rearrangement. In this study, we established a permanent ALL cell strain CHH-1 with the long arm of chromosome 11 aberration and without MLL rearrangement, hoping that it could be used for the research of ALL with such genetic abnormality. CHH-1 cell strain was certified through morphology, immunophenotype, genetics and immunoglobulin (Ig) gene rearrangement analysis. Cell characteristics including tumorigenic ability, semisolid colony forming ability, telomerase activity, autocrine and invasion were further detected. Cells were with an add(11)(q23) structural abnormality without MLL rearrangement, and were consistent with the genetic abnormality of the patient. In addition, these cells had features of tumor-forming ability, high colony forming capacity, unique cytokine autocrine mode, high telomerase activity, and high invasion ability. CHH-1 may prove to be a useful cell model for the research of human leukemia with genetic aberration in chromosome 11, and help explore the role of such genetic abnormality in the pathogenesis, progression and prognosis of ALL, and in developing new target drugs.
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- 2017
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49. Superparamagnetic iron oxide nanoparticles for full-color photonic materials with tunable properties
- Author
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Wei Wang, Qianli Li, Ang Zheng, Xiaolei Li, Zeyu Pan, Jinchun Jiang, Linquan Zhang, Ruijiang Hong, and Lin Zhuang
- Subjects
Physics ,QC1-999 - Abstract
To obtain full-color tunable photonic materials, superparamagnetic nanoparticles with a tunable particle diameter and highly charged surfaces were synthesized through a modified solvothermal process. Compared with polyelectrolyte-capped nanoparticles, citrate-capped nanoparticles are simple, cost-effective, and suitable as building blocks of tunable photonic materials. The reflection spectra of superparamagnetic colloid under a varing magnetic field covers a broad wavelength range of approximately 420–820 nm due to the assembly of Fe3O4 nanoparticles. The effect of the optical properties of colloids on variables such as the nanoparticle size, nanoparticle concentration, ionic strength, and pH value was studied. After superparamagnetic Fe3O4 nanoparticle was coated with a layer of silicon dioxide, their reflection spectra covered the electromagnetic range from the visible to near-infrared region. Superparamagnetic colloids can produce structural colors with engineered nanostructures, which indicates that citrate-capped Fe3O4 nanoparticles and Fe3O4@SiO2 core-shell nanoparticles as photonic materials are promising candidates for achieving full-color display. Keywords: Photonic materials, Nanostructure, Superparamagnetic nanoparticles, Structural color
- Published
- 2019
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50. Research and Application of Hydraulic Injection Precise Fracturing Technology in W27 Oilfield
- Author
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Li-yong Yang, Shun-li Yin, Tian-lin Zhuang, Xiao-ting Gou, and Yu-qiao Du
- Subjects
Environmental sciences ,GE1-350 - Abstract
W27 oilfield is a multi-layer heterogeneous low permeability reservoir, which has entered the middle and late stage of development. The main reservoir is flooded seriously, and the remaining oil distribution is complex. If conventional fracturing technology is adopted, the risk of longitudinal fracture communication with water layer or water-flooded layer is high, which is easy to cause high water cut after fracturing and affect the fracturing effect. According to the characteristics of fractured well reservoir, the hydraulic injection fracturing technology is optimized to optimize the position of injection point and fracturing process parameters, avoid pressing water layer, and achieve accurate reconstruction of potential reservoir. The technology was applied to 4 Wells on site, and the average daily oil gain per well was 6 tons and the average accumulated oil gain per well was 2,500 tons. Hydraulic injection precision fracturing technology has an obvious effect on water control and oil increase in W27 oilfield, which has an important guiding significance for similar reservoirs to improve the fracturing effect.
- Published
- 2021
- Full Text
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