601 results on '"Zhang Liu"'
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2. An atmospheric water harvester with fast and energy‐saving water removal and recovery
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Jiayu Song, Zhang Liu, Jhoanne Pedres Boñgol, Zhaoxin Zhang, and King Lun Yeung
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Biomaterials ,Mechanical Engineering ,Biomedical Engineering ,Biophysics ,Surfaces, Coatings and Films - Published
- 2023
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3. Thoracic sarcopenia predicts clinical outcomes in patients undergoing coronary artery bypass grafting: A 6-year cohort study
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Zi-Le Shen, Zhang Liu, Wang-Fu Zang, Peng Zhang, Hong-Bo Zou, Wen-Xi Dong, Wen-Hao Chen, Xia-Lin Yan, and Zhen Yu
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Surgery - Abstract
The relationship between thoracic sarcopenia and clinical outcomes in patients underwent coronary artery bypass grafting (CABG) is unclear. This study aims to evaluate whether thoracic sarcopenia has a satisfactory prognostic effect on adverse outcomes after CABG.From December 2015 to May 2021, 338 patients who underwent isolated CABG at our institution were recruited in this study. Skeletal muscle area at T12 level acquired by chest computed tomography (CT) was normalized to assess thoracic sarcopenia. Univariate and multivariate analyses were performed to evaluate the risk factors of postoperative complications and overall survival (OS).The prevalence of thoracic sarcopenia in patients underwent CABG was 13.02%. The incidence of total major complication was significantly higher in thoracic sarcopenia group (81.8% vs 61.9%, p = 0.010). Thoracic sarcopenic patients also had longer postoperative hospital stays (p = 0.047), intensive care unit (ICU) stays (p = 0.001), higher costs (p = 0.001) and readmission rates within 30 days of discharge (18.2% vs 4.4%, p = 0.001). Patients without thoracic sarcopenia showed significantly higher OS at the 2-year follow-up period (93.9% vs 72.7%, p0.001). Multivariate analyses demonstrated that thoracic sarcopenia was significantly and independently associated with postoperative complications and long-term OS after CABG.Thoracic sarcopenia is an effective clinical predictor of adverse postoperative complications and long-term OS in patients underwent CABG. Thoracic sarcopenia based on chest CT should be included in preoperative risk assessment of CABG.
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- 2023
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4. Origin of Ammonia Selective Oxidation Activity of SmMn2O5 Mullite: A First-Principles-Based Microkinetic Study
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Xi Chen, Jiaqiang Yang, Zhang Liu, Yanwei Wen, Rong Chen, Shiying Chang, Aimin Zhang, Chun Du, and Bin Shan
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General Materials Science - Published
- 2022
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5. Durable PdNi/Al2O3 Catalysts with PdO-NiO and PdO-NiAl2O4 Dual Interfaces for Methane Combustion
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Xiangyu Ma, Hui Xu, Zhang Liu, Yanfei Liu, Chen Wang, Meiqing Shen, Chun Du, and Bin Shan
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General Medicine - Published
- 2022
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6. New furofuran and tetrahydrofuran lignans from the flower buds of Magnolia biondii Pamp and their antiallergic effects
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Zhang, Xing, Wu, Xi-Min, Han, Lin-Hang, Qian, Fei, Zhang, Liu-Qiang, and Li, Yi-Ming
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Organic Chemistry ,Plant Science ,Biochemistry ,Analytical Chemistry - Abstract
The dried flower buds of Magnolia biondii Pamp (herbal name, Xin-Yi) are a traditional Chinese medicine with a long history of clinical use in the treatment of allergic rhinitis and sinusitis. However, the constituents responsible for its antiallergic effects remain clearly unidentified. In the present study, totally 33 lignans were obtained from M. biondii. Among them, two novel furofuran lignans (1 and 2), two novel tetrahydrofuran lignans (3 and 4), and other 16 known lignans were isolated first time from M. biondii. The antiallergic effects of compounds 1-33 on mouse bone marrow-derived mast cells (BMMCs) degrunaliton were evaluated and results showed that compounds 7, 8, 13, 15 and 18 could significantly inhibited β-hex release on BMMCs. The results proved that furofuran and tetrahydrofuran lignans were the main constituents in M. biondii and their antiallergic effects were related with suppressing mast cell activation.
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- 2022
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7. Computed Tomography Angiography and Three-Dimensional Reconstruction of Renal Arteries in Diagnosing the Bleedings After Mini-Percutaneous Nephrolithotomy: A Single-center Experience of 7 Years
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Bin-Bin, Yang, Wan-Zhang, Liu, Jia-Pei, Ying, Chang, Li, Ting, Huang, Jing-Yu, Shi, Zhong, Zheng, He-Sheng, Yuan, Jia-Sheng, Hu, Yue, Cheng, and Jun-Hai, Qian
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Renal Artery ,Imaging, Three-Dimensional ,Computed Tomography Angiography ,Urology ,Arteriovenous Fistula ,Multidetector Computed Tomography ,Humans ,Angiography, Digital Subtraction ,Hemorrhage ,Nephrolithotomy, Percutaneous ,Aneurysm, False ,Nephrostomy, Percutaneous ,Retrospective Studies - Abstract
This study aimed to investigate the role of computed tomography angiography (CTA) and three-dimensional (3D) reconstruction of renal arteries in the evaluation of bleeding after mini- percutaneous nephrolithotomy (PCNL).Thirty-one consecutive patients with continuous renal hemorrhage after mini-PCNL were enrolled from January 2015 to January 2022. Demographic and clinical data were retrospectively recorded and analyzed. All patients had received CTA evaluation and subsequently digital subtraction angiography (DSA) embolization to manage renal bleeding. CTA and 3D reconstruction of renal arteries were performed using the 320 multi-detector computed tomography technique and the images were evaluated by experienced radiologists. DSA embolization were performed by an interventional radiologist with more than 10 years of experiences.CTA and 3D construction of renal arteries showed 28 cases of vascular lesions (28/31, 90.3%), including 15 cases of pseudoaneurysm (15/28, 53.6%), 9 cases of arteriovenous fistula (9/28, 32.1%), and 4 cases of suspicious bleeding spot (4/28, 14.3%). While DSA revealed 31 cases of vascular lesions (100%), including 15 cases of pseudoaneurysm (15/31, 48.4%), 10 cases of arteriovenous fistula (10/31, 32.3%), 6 cases of bleeding spot and (6/31, 19.4%). The serum creatinine level was elevated slightly before mini-PCNL and after DSA embolization (73.1±18.1 vs 92.1±33.6, P.01). 15 patients (15/31, 48.4%) required blood transfusion, with mean blood transfusion volume of 700 ml ±660 ml (range, 400 ml-1800 ml). The bleeding was controlled without any further severe complications.CTA and 3D reconstruction of renal arteries were safe and effective in diagnosing renal arterial bleedings after mini-PCNL, with a sensitivity of 90.3% and a specificity of 100%.
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- 2022
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8. Prognostic Effect of Thoracic Sarcopaenia on Short- and Long-Term Clinical Outcomes in Patients Who Underwent Cardiac Valve Surgery
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Zhang Liu, Zile Shen, Peng Zhang, Ge Zhu, Su Wang, Qiang Liu, Hongbo Zou, Bingwei Ma, Xialin Yan, and Wangfu Zang
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Pulmonary and Respiratory Medicine ,Postoperative Complications ,Treatment Outcome ,Risk Factors ,Malnutrition ,Humans ,Prognosis ,Cardiology and Cardiovascular Medicine ,Heart Valves ,Aged ,Retrospective Studies - Abstract
As the proportion of elderly patients increases, higher incidence of malnutrition is found among patients with valvular heart disease. Sarcopaenia is one of the main manifestations of malnutrition. Studies have shown the certain predictive effect of sarcopaenia on the clinical outcome in different cases. This study aims to clarify the impact of computed tomography (CT)-derived thoracic sarcopaenia on clinical outcomes of patients who underwent cardiac valve surgery.The clinical data of 216 patients who underwent cardiac valve surgery from December 2015 to June 2020 were retrospectively collected. Skeletal muscle mass at 12The prevalence of thoracic sarcopaenia was 16.7% in this study. The incidence of total complications and in-hospital mortality were higher in thoracic sarcopaenia group (p=0.024 and p=0.014, respectively). Multivariate analysis revealed that thoracic sarcopaenia is a significant predictor for postoperative complications (OR 2.319; 95% CI 1.003-5.366; p=0.049). Decreased long-term survival was observed in patients with thoracic sarcopaenia. Thoracic sarcopaenia (HR 4.178; 95% CI 2.062-8.465; p0.001) was determined to be an independent risk factor for late mortality.Thoracic sarcopaenia defined by chest CT was independently associated with higher incidence of postoperative complications and long-term mortality. Routine preoperative evaluation of thoracic sarcopaenia deserves further consideration to enhance the predictive performance for operation risk.
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- 2022
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9. A target localisation method with monostatic radar via multi‐observation data association
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Rui Ding, Zhuang Wang, Libing Jiang, Zhang Liu, and Shuyu Zheng
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Electrical and Electronic Engineering - Published
- 2022
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10. A novelly designed protein antagonist confers potent neutralization against SARS-CoV-2 variants of concern
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Panjing Lv, Bing Hu, Rong Hua, Jun Zhang, Haoran Zhang, Zhang Liu, Liqiong Xu, Zhen He, Xiang Li, Ming Guo, Kai Pan, Zhen Zhang, Qili Zeng, Zhi Wu, Li Sun, Meng Guo, Li Zhou, Xiuzhen Xu, Bo Yu, Junqiang Xu, Shuai Yuan, Min Guo, Kun Cai, Yuchen Xia, and Yan Li
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Microbiology (medical) ,Infectious Diseases ,Neutralization Tests ,SARS-CoV-2 ,Spike Glycoprotein, Coronavirus ,COVID-19 ,Humans ,Antibodies, Viral ,Antibodies, Neutralizing - Published
- 2022
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11. Short Sleep Duration is Associated with Prolonged Virus Shedding in SARS-CoV-2 Omicron-Infected Patients
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Lin,Ying Ni, Zhou,Li Na, Liu,Zhuo Ran, Wang,Yi, Li,Shi Qi, Lu,Fang Ying, Zhang,Liu, and Li,Qing Yun
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Nature and Science of Sleep - Abstract
Ying Ni Lin,1,2,* Li Na Zhou,1,2,* Zhuo Ran Liu,3,* Yi Wang,1,2 Shi Qi Li,1,2 Fang Ying Lu,1,2 Liu Zhang,1,2 Qing Yun Li1,2 1Department of Respiratory and Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 20025, Peopleâs Republic of China; 2Institute of Respiratory Disease, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, Peopleâs Republic of China; 3Department of Thyroid and Vascular Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, Peopleâs Republic of China*These authors contributed equally to this workCorrespondence: Qing Yun Li, Department of Respiratory and Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, Peopleâs Republic of China, Tel +81-21-64370045, Email liqingyun68@hotmail.comPurpose: Sleep disturbance has been implicated in poor prognosis of coronavirus disease 2019 (COVID-19), but less is known about the influence of short sleep duration on COVID-19 outcomes. We aim to investigate whether short sleep duration is associated with prolonged virus shedding duration in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron-infected patients.Patients and Methods: A total of 270 patients with a laboratory confirmed COVID-19 diagnosis during SARS-CoV-2 Omicron-predominant period were recruited. Self-reported sleep duration of the patients was collected. The two-way analysis of variance (ANOVA) was used to determine the interactions between sleep duration and variables, and multivariate logistic regression analysis was used to analyze the effect of independent variables on longer virus shedding duration.Results: The two-way ANOVA revealed a significant sleep duration à snoring interaction effect for virus shedding duration, and a sleep duration à sex interaction effect for virus shedding duration. Multivariate logistic regression model illustrated that patients sleeping < 6 h were at greater risk of prolonged virus shedding duration compared to those sleeping ⥠6 hours (OR = 1.80, 95% CI = 1.01â 3.26), independent of age, sex, co-existing diseases, vaccination condition, and antiviral treatment.Conclusion: Short sleep duration (< 6 h) was associated with increased virus shedding in SARS-CoV-2 Omicron-infected patients.Keywords: sleep duration, SARS-CoV-2 Omicron, COVID-19 pandemic
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- 2023
12. A Novel Method for Preoperative Positioning of Total Ankle Replacement Using <scp>3D</scp> Digital Model
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Shi‐xun Wu, Shi‐zhang Liu, Ming Ling, Yan‐hui Che, Xin Tian, Xiang‐long Duan, and Zhi Yi
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Male ,Arthroplasty, Replacement, Ankle ,Tibia ,Humans ,Computer Simulation ,Female ,Orthopedics and Sports Medicine ,Surgery ,Ankle Joint ,Osteotomy - Abstract
To establish a digital model of the ankle joint through 3D imaging technology and explore the preoperative placement of ankle replacement prostheses.Computed tomography images of intact ankle joints from 54 cases in the outpatient and inpatient departments of our hospital were collected; according to the INBONE® total ankle system surgery process, the surgery model and surgical osteotomy were finished using MIMICS based on computer simulation method. The shortest distance was measured between the center point and the anterior, posterior, medial, and lateral, respectively, to ensure the precise position of the ankle replacement prosthesis by digital simulation surgery. The relationship between the two variables was analyzed by bivariate correlation analysis.The dataset of this study included 48 cases of the sub-data set (26 males and 22 females) and included 27 cases of left ankle and 21 cases of right ankle. The average medial malleolar angle was 18.67°± 2.87°, the average amount of bone resection was 12.13 ± 1.86 cmThe projection point of the lower tibia centerline on the tibial horizontal osteotomy surface is located at a position slightly anterior to the midpoint of the transverse diameter after ankle arthroplasty. The rational positioning of the total ankle replacement is located at both a position slightly anterior to the midpoint of the transverse diameter and midpoint of the anteroposterior diameter, which can be used as a reference method before total ankle arthroplasty surgery.
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- 2022
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13. Medium-term Clinical Efficacy and Complications of Plasmakinetic Enucleation of the Prostate Versus Transurethral Resection of the Prostate for Benign Prostatic Hyperplasia
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Bin-Bin, Yang, Bai-Xin, Shen, Wan-Zhang, Liu, Yue, Cheng, Yun-Peng, Shao, and Jun-Hai, Qian
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Male ,Treatment Outcome ,Urology ,Prostate ,Prostatic Hyperplasia ,Quality of Life ,Transurethral Resection of Prostate ,Humans - Abstract
To compare surgical characteristics, clinical efficacy, and complications of plasmakinetic enucleation of the prostate (PKEP) and transurethral resection of the prostate (TURP) for benign prostatic hyperplasia (BPH).From January 2015 to May 2018, 370 patients underwent TURP were included into the TURP group. Meanwhile, another 370 patients underwent PKEP (matched by age, prostate volume, and duration of BPH) were included into the PKEP group. Then, the differences of surgical characteristics, clinical efficacy, and complications were compared between the two groups.The operative time, intraoperative irrigation volume, postoperative irrigation time and irrigation volume, drop in hemoglobin, blood transfusion, postoperative catheterization time, and hospital stay of the PKEP group were significantly less than those of the TURP group (P.05). No significant differences were observed in the resected tissue weight, visual analogue scale score, and total cost of hospitalization (P.05); The quality of life score of the PKEP group was significantly lower than that of the TURP group (P.05). No significant differences of maximum flow rate, postvoid residual urine, Serum prostate-specific antigen, international prostate symptom score and International Index of Erectile Function score were observed (P.05); The incidences of urinary tract irritation, massive hemorrhage, secondary hemorrhage, bladder spasm, clot retention, and retrograde ejaculation of the PKEP group were significantly lower than those of the TURP group (P.05).PKEP and TURP are comparable regarding cost burden and clinical efficacy in medium-term follow-up. However, PKEP should be given a priority for BPH treatment because of less complication rate and better safety profile.
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- 2022
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14. The pan-plastome of tartary buckwheat (fagopyrum tataricum): key insights into genetic diversity and the history of lineage divergence
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Jiawei Zhou, Wenchuang He, Jie Wang, Xuezhu Liao, Kunli Xiang, Mingchuan Ma, Zhang Liu, Yongyao Li, Luke R. Tembrock, Zhiqiang Wu, and Longlong Liu
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Plant Science - Abstract
Background Tartary buckwheat (Fagopyrum tataricum) is an important food and medicine crop plant, which has been cultivated for 4000 years. A nuclear genome has been generated for this species, while an intraspecific pan-plastome has yet to be produced. As such a detailed understanding of the maternal genealogy of Tartary buckwheat has not been thoroughly investigated. Results In this study, we de novo assembled 513 complete plastomes of Fagopyrum and compared with 8 complete plastomes of Fagopyrum downloaded from the NCBI database to construct a pan-plastome for F. tartaricum and resolve genomic variation. The complete plastomes of the 513 newly assembled Fagopyrum plastome sizes ranged from 159,253 bp to 159,576 bp with total GC contents ranged from 37.76 to 37.97%. These plastomes all maintained the typical quadripartite structure, consisting of a pair of inverted repeat regions (IRA and IRB) separated by a large single copy region (LSC) and a small single copy region (SSC). Although the structure and gene content of the Fagopyrum plastomes are conserved, numerous nucleotide variations were detected from which population structure could be resolved. The nucleotide variants were most abundant in the non-coding regions of the genome and of those the intergenic regions had the most. Mutational hotspots were primarily found in the LSC regions. The complete 521 Fagopyrum plastomes were divided into five genetic clusters, among which 509 Tartary buckwheat plastomes were divided into three genetic clusters (Ft-I/Ft-II/Ft-III). The genetic diversity in the Tartary buckwheat genetic clusters was the greatest in Ft-III, and the genetic distance between Ft-I and Ft-II was the largest. Based on the results of population structure and genetic diversity analysis, Ft-III was further subdivided into three subgroups Ft-IIIa, Ft-IIIb, and Ft-IIIc. Divergence time estimation indicated that the genera Fagopyrum and Rheum (rhubarb) shared a common ancestor about 48 million years ago (mya) and that intraspecies divergence in Tartary buckwheat began around 0.42 mya. Conclusions The resolution of pan-plastome diversity in Tartary buckwheat provides an important resource for future projects such as marker-assisted breeding and germplasm preservation.
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- 2023
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15. Atomic Layer Infiltration Enabled Cu Coordination Environment Construction for Enhanced Electrochemical CO2 Reduction Selectivity: Case Study of a Cu Metal–Organic Framework
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Xueyang Han, Zhang Liu, Meng Cao, Haonan Ren, Chun Du, Fan Yang, Bin Shan, and Rong Chen
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General Chemical Engineering ,Materials Chemistry ,General Chemistry - Published
- 2022
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16. Rapid Fluorescent Determination of Hydrogen Peroxide in Serum by Europium-Metal Organic Framework Based Test Strips
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Jiang, Xiaoqian, Zhang, Liu, Liu, Miao, Wang, Nan, Dai, Chunmei, Liu, Chang, and Li, Donghui
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Biochemistry (medical) ,Clinical Biochemistry ,Electrochemistry ,Biochemistry ,Spectroscopy ,Analytical Chemistry - Abstract
Hydrogen peroxide (H2O2), an endogenous reactive oxygen species, may cause a series of physical and chemical processes and various diseases in excess in an organism. In this article, simple solvent stirring is reported to synthesize a europium-metal organic framework (Eu-MOF) at room temperature for the detection of H2O2. Eu-MOF emits characteristic red fluorescence, but with the addition of H2O2, significant quenching occurred due to the reduced energy transfer from organic ligand to Eu caused by electrophilic and nucleophilic properties of H2O2. Under the optimized conditions, Eu-MOF showed high sensitivity and selectivity with linearity (R2 > 0.99) from 1 to 150 μM and a limit of detection (LOD) of 0.65 μΜ and was employed for the determination of H2O2 in human serum. In addition, Eu-MOF based portable test strips were developed to monitor H2O2 content with the aid of a smartphone color analysis application, consuming only 5 μL of samples. Thus, the real-time determination of H2O2 was achieved utilizing this portable device.
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- 2022
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17. Bioinspired Ice-Binding Materials for Tissue and Organ Cryopreservation
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Zhang Liu, Xia Zheng, and Jianjun Wang
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Cryopreservation ,Cryoprotective Agents ,Colloid and Surface Chemistry ,Biomimetic Materials ,Freezing ,Ice ,General Chemistry ,Biochemistry ,Catalysis - Abstract
Cryopreservation of tissues and organs can bring transformative changes to medicine and medical science. In the past decades, limited progress has been achieved, although cryopreservation of tissues and organs has long been intensively pursued. One key reason is that the cryoprotective agents (CPAs) currently used for cell cryopreservation cannot effectively preserve tissues and organs because of their cytotoxicity and tissue destructive effect as well as the low efficiency in controlling ice formation. In stark contrast, nature has its unique ways of controlling ice formation, and many living organisms can effectively prevent freezing damage. Ice-binding proteins (IBPs) are regarded as the essential materials identified in these living organisms for regulating ice nucleation and growth. Note that controversial results have been reported on the utilization of IBPs and their mimics for the cryopreservation of tissues and organs, that is, some groups revealed that IBPs and mimics exhibited unique superiorities in tissues cryopreservation, while other groups showed detrimental effects. In this perspective, we analyze possible reasons for the controversy and predict future research directions in the design and construction of IBP inspired ice-binding materials to be used as new CPAs for tissue cryopreservation after briefly introducing the cryo-injuries and the challenges of conventional CPAs in the cryopreservation of tissues and organs.
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- 2022
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18. Improved energy absorption capacity of closed-cell aluminium foams by electroplating
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Dao-Zhang Liu, Xu Cheng, Huan Liu, Hao-Tian Shen, Zhong-Sheng Hua, and Shi-Wei He
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Materials Chemistry ,Surfaces and Interfaces ,Condensed Matter Physics ,Surfaces, Coatings and Films - Published
- 2022
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19. Rational ensemble design of alloy catalysts for selective ammonia oxidation based on machine learning
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Jiaqiang Yang, Zhaojie Wang, Zhang Liu, Qingbo Wang, Yanwei Wen, Aimin Zhang, Rong Chen, and Bin Shan
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Renewable Energy, Sustainability and the Environment ,General Materials Science ,General Chemistry - Abstract
High-throughput computation and machine learning studies are conducted for the rational design of ensembles of alloy catalysts for selective catalytic oxidation of NH3 (NH3-SCO).
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- 2022
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20. Theoretical design principles of metal catalysts for selective ammonia oxidation from high throughput computation
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Jiaqiang Yang, Xi Chen, Zhang Liu, Qingbo Wang, Yanwei Wen, Aimin Zhang, Rong Chen, and Bin Shan
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Renewable Energy, Sustainability and the Environment ,General Materials Science ,General Chemistry - Abstract
High throughput calculation is performed to reveal the ruling laws of catalytic performance and further screen potential alloy catalysts with high activity and selectivity for selective catalytic oxidation of ammonia (NH3-SCO).
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- 2022
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21. Bioinspired Anti-Icing Hydrogel Enabled by Ice-Nucleating Protein
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Siyu Sheng, Zhang Liu, Wang Pengchao, Baixue Lin, Zhanhui Wang, Jianjun Wang, Sicong Tan, Yong Tao, and Zhiyuan He
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Chemical engineering ,Chemistry ,Ice nucleus ,General Chemistry ,human activities ,Icing - Abstract
Ice-nucleating proteins (INPs) are the most effective ice-nucleating agents that play a significant role in preventing freeze injuries in freeze-tolerant organisms. INPs promote ice nucleation in t...
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- 2022
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22. Research on Strip Profile Control Characteristics of 1500 mm Quintic CVC Mill
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Bangshuo Wei, Hongbo Li, Yuchao Wang, Jie Zhang, Ning Kong, Zhang Liu, and Bo Liu
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rolling force ,quintic CVC ,rolling mill ,strip profile control ,Metals and Alloys ,roll shifting ,General Materials Science ,finite element analysis ,roll bending - Abstract
Compared with cubic Continuously Variable Crown (CVC), quintic CVC presents integrated control capability of quadratic and quartic crown. In order to take full advantage of quintic CVC and have better comprehensive control of the edge wave, center wave, high order wave and complex wave in practical application, it is necessary to further clarify the complicated profile control characteristics of quintic CVC. In this paper, quintic CVC technology in a 1500 mm continuous hot rolling mill production line has been taken as the research object and use finite element method to study its profile control characteristics. Through finite element simulation, an integrated model of rolls and strip was established to analyze the influence of the shifting, bending force and rolling force on strip profile with different strip widths. Both crown adjustment area and transverse stiffness are gained to study the control capability of quintic CVC. The simulation results show that the positive shifting and positive bending of CVC work roll reduce the quadratic crown and increase the quartic crown, and the controlling effect of shifting on both quadratic and quartic crown is more remarkable than that of bending. The control capability of the crown increases with the increase of strip width. That is, wider strip has a larger crown adjustment area. Meanwhile, there is a strong coupling relationship that the increase of quadratic crown can lead to the decrease of the quartic crown, which is not good for the flexible control of strip profile. With the increase of rolling force, the quadratic crown of strip increases significantly, while the quartic crown does not change obviously. Additionally, the increase of strip width significantly increases the transverse stiffness of mill.
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- 2023
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23. Least‐squares reverse time migration based on an efficient pure qP‐wave equation
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Jianping Huang, Qiang Mao, Xinru Mu, Jidong Yang, Mukiibi Ssewannyaga Ivan, Zhang Liu, and Shaoshun Zhang
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Geophysics ,Geochemistry and Petrology - Published
- 2023
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24. First report of jujube anthracnose caused by Colletotrichum siamense in China
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Fengying Han, Yu-Kun Qi, Yu-tong Zhang, Jian-Hua Qi, Jun-Wei Wang, Wen zhang Liu, Yan-Ping Ji, and Qing-Hai Wang
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Plant Science ,Agronomy and Crop Science - Abstract
Jujube (Zizyphus jujuba Mill.), a native small deciduous tree of China, is widely cultivated in China, Korea, India, Japan, Europe, and the United States (Chen et al. 2020). The fruit have been commonly consumed as healthy food supplements and traditional Chinese medicine for over 2000 years (Li et al. 2007). In August 2019, anthracnose-like leaf spot symptoms were observed on jujube plants in Xiaomenya Village, Jinan City, Shandong Province, China (36°27′39″N, 117°3′13″E), with over 30% leaf disease incidence. The spots were circular, sunken, brown in the center and with dark brown edges. As the spots enlarged and coalesced, it resulted in leaf perforation and early defoliation. Sometimes acervuli were observed on the lesions (Fig. S1a, b). To identify the causal agent, 20 diseased leaves were sampled, the margins of the lesions were cut into pieces (5 × 5 mm), sterilized and cultured following the protocol described previously (Wan et al. 2020) at 25 ℃ for 5 days. Twelve monospore isolates showing identical colony morphology were obtained. Three representative isolates, JNZG11, JNZG311, JNZG313, were used for further study. When grown on PDA the colony color was initially white and then turned pale-gray to gray in 5-day-old cultures. On the reverse, colonies were brown-black with an orange pigmentation near the center. Aerial mycelium was cottony, dense, white to pale-gray. Conidia were hyaline, 1-celled, smooth-walled, subcylindrical, oblong, attenuated with slightly rounded ends, (11.1-) 12.7-13.3 (-17.8) ×(-4.4) 5.2-5.5 (-6.3) μm (n=50). Appressoria were dark-brown, oval or irregular, (7.3-) 8.6-9.2 (-9.8) ×(-5.1) 5.8-6.9 (-7.0) μm (n=50) (Fig. S1c-g). The morphology resembled those of Colletotrichum gloeosporioides species complex (Cannon et al. 2012). For accurate identification, the sequences of the ribosomal internal transcribed spacer (ITS), actin (ACT), β-tub2 (TUB2), calmodulin (CAL), chitin synthase (CHS-1), and glyceraldehyde-3phosphate dehydrogenase (GAPDH) of the 3 isolates were sequenced (Weir et al. 2012), and deposited into GenBank (Accession Nos. see Table 1). The six loci (ITS, GAPDH, ACT, CHS-1, CAL, and TUB2) were concatenated and the aligned sequences (1904 bp) were 99.7% homologous to ex-type C. siamense ICMP18578. The sequences of 38 Colletotrichum species (44 isolates) were downloaded from GenBank for phylogenetic analyses. In the maximum likelihood phylogenetic tree generated, the highest log likelihood was -8798.90 and the three isolates were all in the C. siamense clade (bootstrap support 94 %) (Fig. S2). To complete Koch’s postulates, 60 healthy, mature jujube leaves on 12 branches (5 leaves per branch) (variety ‘Zhongqiuhong’) were inoculated with 20 μL of spore suspension (106 conidia/mL) or sterile water as a control. The branches were placed in sterile beakers containing a small amount of sterile water sealed with plastic wrap and maintained at 28 °C, 12 h light/dark. Five days after inoculation, all treated leaves showed the typical anthracnose symptom, similar to that observed in the field (Fig. S1h). The same fungus was re-isolated from the margins of the lesions using the aforementioned methods. Whereas no fungus were isolated from the controls. Previously, C. siamense has been reported to infect Z. mauritiana in China (Shu et al. 2020). To our knowledge, this is the first report of C. siamense causing anthracnose on Z. jujuba in China. This finding provides crucial information for the effective management of this disease.
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- 2023
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25. Prediction of Pork Price Based on PCA-BP Neural Network
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Zhang Liu, Fang Mei, Canhua Li, and Quan Yang
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- 2023
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26. sj-docx-1-jva-10.1177_11297298231163224 – Supplemental material for The impact of vascular access satisfaction on health-related quality of life in patients receiving maintenance hemodialysis: A 2-year follow-up study
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Wu, Min, Li, Meng-Ting, Zhang, Liu-Ping, Wei, Dong, Han, Yu-Chen, and Gao, Min
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Cardiology - Abstract
Supplemental material, sj-docx-1-jva-10.1177_11297298231163224 for The impact of vascular access satisfaction on health-related quality of life in patients receiving maintenance hemodialysis: A 2-year follow-up study by Min Wu, Meng-Ting Li, Liu-Ping Zhang, Dong Wei, Yu-Chen Han and Min Gao in The Journal of Vascular Access
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- 2023
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27. Improved Differential-neural Cryptanalysis for Round-reduced Simeck32/64
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Zhang, Liu, Lu, Jinyu, Wang, Zilong, and Li, Chao
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FOS: Computer and information sciences ,94-11 ,Computer Science - Cryptography and Security ,Artificial Intelligence (cs.AI) ,Computer Science - Artificial Intelligence ,I.2.6 ,Cryptography and Security (cs.CR) - Abstract
In CRYPTO 2019, Gohr presented differential-neural cryptanalysis by building the differential distinguisher with a neural network, achieving practical 11-, and 12-round key recovery attack for Speck32/64. Inspired by this framework, we develop the Inception neural network that is compatible with the round function of Simeck to improve the accuracy of the neural distinguishers, thus improving the accuracy of (9-12)-round neural distinguishers for Simeck32/64. To provide solid baselines for neural distinguishers, we compute the full distribution of differences induced by one specific input difference up to 13-round Simeck32/64. Moreover, the performance of the DDT-based distinguishers in multiple ciphertext pairs is evaluated. Compared with the DDT-based distinguishers, the 9-, and 10-round neural distinguishers achieve better accuracy. Also, an in-depth analysis of the wrong key response profile revealed that the 12-th and 13-th bits of the subkey have little effect on the score of the neural distinguisher, thereby accelerating key recovery attacks. Finally, an enhanced 15-round and the first practical 16-, and 17-round attacks are implemented for Simeck32/64, and the success rate of both the 15-, and 16-round attacks is almost 100%., Comment: 22 pages, 3 figures
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- 2023
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28. sj-docx-1-jva-10.1177_11297298231163224 – Supplemental material for The impact of vascular access satisfaction on health-related quality of life in patients receiving maintenance hemodialysis: A 2-year follow-up study
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Wu, Min, Li, Meng-Ting, Zhang, Liu-Ping, Wei, Dong, Han, Yu-Chen, and Gao, Min
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Cardiology - Abstract
Supplemental material, sj-docx-1-jva-10.1177_11297298231163224 for The impact of vascular access satisfaction on health-related quality of life in patients receiving maintenance hemodialysis: A 2-year follow-up study by Min Wu, Meng-Ting Li, Liu-Ping Zhang, Dong Wei, Yu-Chen Han and Min Gao in The Journal of Vascular Access
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- 2023
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29. Effect of Shenmai Injection on Long-Term Prognosis of Patients with Chronic Heart Failure: A Multicenter, Large Sample Capacity, Long-Term Follow-Up Retrospective Cohort Study
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Hui, Guan, Guo-Hua, Dai, Wu-Lin, Gao, Tong, Zhang, Cong, Sun, Li-Li, Ren, Xiao-Ming, Hou, and Zhang, Liu
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Heart Failure ,Stroke Volume ,General Medicine ,Prognosis ,Peptide Fragments ,Ventricular Function, Left ,Drug Combinations ,Complementary and alternative medicine ,Natriuretic Peptide, Brain ,Humans ,Pharmacology (medical) ,Biomarkers ,Drugs, Chinese Herbal ,Follow-Up Studies ,Retrospective Studies - Abstract
To explore the effect of Shenmai Injection (SMI) on the long-term prognosis of patients with chronic heart failure (CHF).The Hospital Information System was used to extract data of CHF patients, and the retrospective cohort study was conducted for analysis. In non-exposed group, standardized Western medicine treatment and Chinese patent medicine or decoction were applied without combination of SMI while in the exposed group, SMI were applied for more than 7 days. Evaluation indicators are followed with New York Heart Association functional classification (NYHA classification), left ventricular ejection fraction (LVEF), N-terminal brain natriuretic peptide precursor (NT-ProBNP), cardiogenic death and heart failure (HF) readmission. Statistical analysis includes Kaplan-Meier analysis and Cox regression which are used to explore the relationship between SMI and outcome events.A total of 1,211 eligible CHF patients were involved and finally 1,047 patients were followed up successfully. After treatment, the cases of NYHA classification decline in the exposed and non-exposed groups accounted for 64.30% and 43.45%, respectively; the improvement values of LVEF were 8.89% and 7.91%, respectively; the improvement values of NT-ProBNP were 909 pg/mL and 735 pg/mL, respectively. After exposure on SMI, the rates of cardiogenic death and HF readmission reduced from 15.43% to 10.18% and 38.93% to 32.37%. According to Kaplan-Meier analysis, the log-rank P value of SMI and cardiogenic death was 0.014, while the counterpart of SMI and HF readmission was 0.025. Cox regression analysis indicated that for cardiogenic death, age, cardiomyopathy, diabetes, and NYHA classification were risk factors while β-blockers, aldosterone receptor antagonists, Chinese patent medicine/decoction and SMI were protective factors. Likewise, for HF readmission, age, cardiomyopathy, and NYHA classification were risk factors while SMI was a protective factor.Combination with SMI on the standardized Western medicine treatment can effectively reduce cardiogenic mortality and readmission rate in CHF patients, and thereby improve the long-term prognosis.
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- 2021
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30. Search for Multi-Coincidence Cosmic Ray Events over Large Distances with the EEE MRPC Telescopes
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M. Garbini, M. Battaglieri, Luca Baldini, Antonino Zichichi, Marcello Abbrescia, M. Rizzi, A. Corvaglia, Giuseppe Mandaglio, Salvatore De Pasquale, F. Nozzoli, Crispin Williams, Antonio Trifiro, L. Galante, C. Pinto, Marco Taiuti, E. Bossini, L. Votano, G. Maron, Francesco Riggi, Rosario Nania, G. Gemme, F. Coccetti, Paola La Rocca, M. Schioppa, S. Pisano, Giancarlo C. Righini, A. Scribano, C. Avanzini, D. De Gruttola, Francesco Noferini, Despina Hatzifotiadou, M. Selvi, F. Carnesecchi, M. P. Panetta, A. Mulliri, S. Grazzi, O. Pinazza, R. Zuyeuski, G. Serri, Riccardo Paoletti, G. Terreni, F. Fabbri, Eugenio Scapparone, G. Batignani, C. Ripoli, F. Palmonari, C. Vistoli, Luisa Cifarelli, M. Trimarchi, Corrado Cicalo, M. Panareo, S. Boi, E. Coccia, C. Pellegrino, Rinaldo Baldini Ferroli, Sandro Squarcia, Gabriella Sartorelli, I. Gnesi, M. N. Mazziotta, Zhang Liu, Abbrescia, Marcello, Avanzini, Carlo, Baldini, Luca, Baldini Ferroli, Rinaldo, Batignani, Giovanni, Battaglieri, Marco, Boi, Stefano, Bossini, Edoardo, Carnesecchi, Francesca, Cicalò, Corrado, Cifarelli, Luisa, Coccetti, Fabrizio, Coccia, Eugenio, Corvaglia, Alessandro, De Gruttola, Daniele, De Pasquale, Salvatore, Fabbri, Franco, Galante, Lorenzo, Garbini, Marco, Gemme, Gianluca, Gnesi, Ivan, Grazzi, Stefano, Hatzifotiadou, Despina, La Rocca, Paola, Liu, Zhang, Mandaglio, Giuseppe, Maron, Gaetano, Mazziotta, Mario Nicola, Mulliri, Alice, Nania, Rosario, Noferini, Francesco, Nozzoli, Francesco, Palmonari, Federico, Panareo, Marco, Panetta, Maria Paola, Paoletti, Riccardo, Pellegrino, Carmelo, Pinazza, Ombretta, Pinto, Chiara, Pisano, Silvia, Riggi, Francesco, Righini, Giancarlo, Ripoli, Cristina, Rizzi, Matteo, Sartorelli, Gabriella, Scapparone, Eugenio, Schioppa, Marco, Scribano, Angelo, Selvi, Marco, Serri, Gabriella, Squarcia, Sandro, Taiuti, Marco, Terreni, Giuseppe, Trifirò, Antonio, Trimarchi, Marina, Vistoli, Cristina, Votano, Lucia, Williams, Crispin, Zichichi, Antonino, and Zuyeuski, Roman
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Physics ,cosmic rays ,dust grains ,extensive air showers ,EEE experiment ,multi-coincidence events ,Astrophysics::High Energy Astrophysical Phenomena ,Science ,Observation period ,Detector ,Astronomy ,Cosmic ray ,extensive air shower ,Coincidence ,Coincident ,Time windows ,cosmic ray ,dust grain - Abstract
The existence of independent, yet time correlated, Extensive Air Showers (EAS) has been discussed over the past years, with emphasis on possible physical mechanisms that could justify their observation. The detector network of the Extreme Energy Events (EEE) Collaboration, with its approximately 60 cosmic ray telescopes deployed over the Italian territory, has the potential to search for such events, employing different analysis strategies. In this paper, we have analyzed a set of EEE data, corresponding to an approximately five month observation period, searching for multi-coincidence events among several far telescopes, within a time window of 1 ms. Events with up to 12 coincident telescopes have been observed. Results were compared to expectations from a random distribution of events and discussed with reference to the relativistic dust grain hypothesis.
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- 2021
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31. Effect of acupuncture on serum PYY and nesfatin-1 in obese patients with insulin resistance
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Mei-zhang Liu, Yong-tao Liu, and Li-bai Yang
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Complementary and alternative medicine - Published
- 2021
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32. Origin of Ammonia Selective Oxidation Activity of SmMn
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Xi, Chen, Jiaqiang, Yang, Zhang, Liu, Yanwei, Wen, Rong, Chen, Shiying, Chang, Aimin, Zhang, Chun, Du, and Bin, Shan
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Based on first-principles calculations and microkinetic analysis, the reaction routes and origin of the activity of SmMn
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- 2022
33. A High Gain 5G Millimeter Wave Slot Antenna
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Yong Wen Gong, Sen Wu, Guang Hu, Peng Zhang Liu, Zhong Mao Li, and Xin Qiu
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- 2022
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34. A time-domain multi-parameter elastic full waveform inversion with pseudo-Hessian preconditioning
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Jian-ping Huang, Zhang Liu, Ke-jie Jin, Kai-lun Ba, Yu-hang Liu, Ling-hang Kong, Chao Cui, and Chuang Li
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Geophysics - Published
- 2022
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35. Research on Vehicle Parking Position Detection Based on Swin Transformer Semantic Segmentation
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Hong-Tu Shi, Jian-Zhang Liu, Ruo-Xuan Wang, Yan-Xin Huo, Chao-Wei Cui, and Yong-Qiang Zhang
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- 2022
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36. Design and Architecture of P-O Co-Doped Porous g-C3N4 by Supramolecular Self-Assembly for Enhanced Hydrogen Evolution
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Ximiao Zhu, Fan Yang, Jinhua Liu, Guangying Zhou, Dongdong Chen, Zhang Liu, and Jianzhang Fang
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P-O-co-doped g-C3N4 ,self-assembly ,dye sensitization ,hydrogen evolution ,Physical and Theoretical Chemistry ,Catalysis ,General Environmental Science - Abstract
A novel phosphorus and oxygen co-doped graphitic carbon nitride (sheetP-O-CNSSA) photocatalyst was successfully synthesized and applied for H2 evolution under visible light. In the synthesis process of sheetP-O-CNSSA, the supramolecular complex was developed by the self-assembly and copolymerization reaction among melamine, cyanuric acid (CA) and trithiocyanuric acid (TCA) to act as g-C3N4 precursors, while (NH4)2HPO4 was applied as P and O precursors for element doping. The chemical structures, morphologies, and optical properties of the sheetP-O-CNSSA were characterized by a series of measurements, i.e., XRD, FT-IR, SEM, TEM, UV-vis DRS, and PL. The results suggested that the introduction of P and O elements could enhance the separation and migration efficiency of photogenerated electrons and holes in the energy band of g-C3N4. The photocatalytic tests over Erythrosin B (EB) sensitized sheetP-O-CNSSA indicated that the hydrogen evolution was greatly enhanced compared with other catalysts and non-sensitized sheetP-O-CNSSA under visible light irradiation. Finally, a possible dye-sensitized photocatalysis mechanism was also proposed on the basis of the as-obtained results.
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- 2022
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37. A novel Joint-Net model for recognizing small-bowel polyp images
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Yiqi Du, Shengnan Li, Xudong Guo, Yuxin Wang, Zhang Liu, Jiefang Guo, Lulu Zhang, and Linqi Zhang
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Enteroscopy ,China ,Computer science ,business.industry ,Pattern recognition ,Convolutional neural network ,Endoscopy, Gastrointestinal ,Identity (music) ,Convolution ,Polyps ,Intersection ,Image Processing, Computer-Assisted ,Net (polyhedron) ,Humans ,Surgery ,Small Bowel Polyp ,Neural Networks, Computer ,Artificial intelligence ,business ,Joint (audio engineering) - Abstract
Introduction To automatically recognize polyps of enteroscopy images and avoid pathological change, a novel Joint-Net has been proposed. Material and methods The left half of the Joint-Net is constructed by transfer learning VGG16 and its right half is deepened based on the U-Net. In the previous two skip connections, a 3 × 3 convolution layer is added and the original two convolutions are replaced by the identity blocks. To connect the left and the right half part, the asymmetric convolution layer is used. In the output, the loophole-like structure is used. Results The enteroscopy images were obtained in Changhai Hospital of Shanghai. The mean values of Dice and intersection over union were 90.05% and 82.71%. The classification accuracy of normal images and polyp images was 93.50%. Conclusions The experiments show that the Joint-Net can segment and recognize the polyps successfully.
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- 2021
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38. Load prediction optimization based on machine learning in cloud computing environment
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Guozheng Feng, Jianbo Xu, Wei Jian, and Zhang Liu
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- 2022
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39. Economic Analysis of Grid-Interactive Efficient Buildings: A Case Study in South China
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Zhang Liu, Qian Ma, Yang Luo, Li Cheng, Yuan Yuan, He Qi, Zhonghua Zhang, and Tao Lu
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- 2022
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40. Expression pattern of FmNAC11 transcription factor in Fraxinus mandshurica and its function in improving cold resistance
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Yang Cao, Fei Song, Zhang Liu, and Yaguang Zhan
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Background: NAC domain proteins contain one of the largest families of plant specific TFs. NAC (Nam, no apical meristem; ataf1/2, Arabidopsis transcription activation factor; CUC2, cup-shaped cotyledon) is an acronym for the names of three genes originally described as containing domains, namely Nam (no apical meristem), ataf1/2 (Arabidopsis transcription activator) and CUC2 (cupular cotyledon) are plant specific transcription factors. As a regulator of gene expression, transcription factors (TF) play an important role in plant development and response to hormone signals. In order to clarify the function of Fraxinus mandshurica fmnac11 gene under biological and abiotic stress, Results: the cloned fmnac11 gene of Fraxinus mandshurica was 891bp, encoding 296 amino acids. Subcellular localization showed that fmnac11 was located in the nucleus and was indeed a transcription factor with transcriptional activation activity. Fmnac11 can respond to cold, NaCl stress, and IAA, GA, ABA hormone signal induction. The promoter length of the cloned fmnac11 gene was 2340bp. By analyzing cis acting elements, it was found that the promoter of fmnac11 gene responded to biological and abiotic stresses, participated in a variety of biological pathways, and regulated biological processes. Four transgenic lines overexpressing fmnac11 were obtained by Agrobacterium mediated transformation of WT tissue culture seedlings of Benxi tobacco. The transgenic plants grew rapidly after transplantation- Under the condition of low temperature culture at -5 ℃ for 24 hours, the wilting and yellowing degree of transgenic plants is significantly less than that of ordinary tobacco, and the transgenic tobacco overexpressing fmnac11 performs better in membrane system, osmotic system and ROS scavenging system than ordinary tobacco, indicating that fmnac11 gene has the function of improving plant cold resistance. Conclusion: the gene expression of transgenic tobacco under cold treatment shows that fmnac11 transcription factor has a regulatory relationship with growth related IAA and AUX1 genes, cold resistance related ice, DREB and CBF1, ROS clearance related cat and SOD genes, which promotes the rapid growth, cold resistance and ROS clearance ability of transgenic tobacco.
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- 2022
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41. Topology-based Comparison of Neural Population Responses via Persistent Homology and p-Wasserstein Distance
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Zhang, Liu, Han, Fei, and Xia, Kelin
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Computational Neuroscience ,Data analysis, machine learning, neuroinformatics - Abstract
Bernstein Conference 2022 abstract. http://bernstein-conference.de
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- 2022
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42. Prognostic significance of postoperative loss of skeletal muscle mass in patients underwent coronary artery bypass grafting
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Zi-Le Shen, Zhang Liu, Peng Zhang, Wei-Zhe Chen, Wen-Xi Dong, Wen-Hao Chen, Feng Lin, Wang-Fu Zang, Xia-Lin Yan, and Zhen Yu
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Nutrition and Dietetics ,Endocrinology, Diabetes and Metabolism ,Food Science - Abstract
BackgroundIncreasing life expectancy of coronary artery bypass grafting (CABG) remains to be the major concern of cardiac surgeons. However, few studies have investigated the effect of postoperative skeletal muscle index (SMI) loss on prognosis. This study aims to evaluate the prognostic role of postoperative SMI loss ≥ 5% after CABG, in order to develop a novel nomogram to predict overall survival (OS).MethodsPatients underwent CABG via midline sternotomy from December 2015 to March 2021 were recruited in this study. Preoperative and postoperative 3 months chest computed tomography (CT) images were compared to assess changes in SMI at T12 level. Based on this, patients were classified into the presence or absence of SMI loss ≥ 5%. The association between postoperative SMI loss ≥ 5% and OS was then analyzed by the Kaplan-Meier curves and Cox model. A novel nomogram incorporating independent clinical prognostic variables was also developed.ResultsThe study enrolled 506 patients receiving CABG, of whom 98 patients experienced T12 SMI loss ≥ 5% and had a significantly worse OS (P < 0.0001). Multivariate regression analysis showed that T12 SMI per cent change (%T12 SMI-change) was an independent prognostic factor for OS (HR = 0.809, 95% CI = 0.749–0.874). The nomogram incorporating %T12 SMI-change with other variables was accurate for predicting OS. Besides, we also found that postoperative oral nutritional supplement (ONS) can rescue T12 SMI loss.ConclusionPostoperative SMI loss can predict survival outcome after CABG. The nomogram incorporating changes in SMI provides a superior performance than existing systems.
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- 2022
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43. Highly active and durable chlorobenzene oxidation catalyst via porous atomic layer coating of Ru on Pt/Al2O3
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Yu Wang, Chun Du, Zhang Liu, Yanfei Liu, Bin Shan, Limin Guo, and Rong Chen
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Process Chemistry and Technology ,Catalysis ,General Environmental Science - Published
- 2023
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44. Strong Hydration Ability of Silk Fibroin Suppresses Formation and Recrystallization of Ice Crystals During Cryopreservation
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Yi Hou, Zhang Liu, Shenglin Jin, Qingrui Fan, Yilin Wang, Shuo Liu, Lishan Zhao, Wei Rao, Junqiang Mao, Lv Jianyong, Mengjia Dou, and Jianjun Wang
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Cryopreservation ,Recrystallization (geology) ,Polymers and Plastics ,Ice crystals ,Cryoprotectant ,Cell Survival ,Chemistry ,Ice ,Mesenchymal stem cell ,Ficoll ,Fibroin ,Bioengineering ,Biomaterials ,Cryoprotective Agents ,Materials Chemistry ,Biophysics ,Humans ,Viability assay ,Fibroins - Abstract
The cryopreservation (CP) of cell/tissue is indispensable in medical science. However, the formation of ice during cooling and ice recrystallization/growth in time of thawing present significant risk of cell/tissue damage upon analysis of CP process. Herein, the natural and biocompatible silk fibroin (SF) with regular hydrophobic and hydrophilic domains, were first employed as a cryoprotectant (CPA), to the CP of human bone-derived mesenchymal stem cells (hBMSCs), which has been routinely cyropreserved for cell-based therapies. Addtion of SF can regulate the formation of ice crystals during cooling process because of its strong hydration ability in the comparation to the cryopreservation medium (CM) without SF. Moreover, the devitrification-induced recrystallization/growth of ice during the thawing process is suppressed. Most importantly, the addition of 10 mg mL-1 SF can achieve 81.28% cell viability of cryopreserved hBMSCs as similar as those with the addition of 180 mg mL-1 Ficoll 70 (commercial CPA), and the functions of the cryopreserved hBMSCs are maintained as good as that of the fresh ones. This work is not only significant for meeting the ever-increasing demand of cell therapy, but also trailblazing for designing materials in controlling ice formation and growth during the CP of other cells and tissues.
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- 2021
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45. Vaporized-salt-induced sp3-hybridized defects on nitrogen-doped carbon surface towards oxygen reduction reaction
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Rong Chen, Chaojun Huang, Yanwei Wen, Bin Shan, Zhili Wang, Zhang Liu, Yuanjie Cao, Feng Liu, and Yuanting Tang
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chemistry.chemical_classification ,Materials science ,Sodium ,chemistry.chemical_element ,Halide ,Salt (chemistry) ,02 engineering and technology ,General Chemistry ,010402 general chemistry ,021001 nanoscience & nanotechnology ,Electrocatalyst ,01 natural sciences ,XANES ,0104 chemical sciences ,chemistry ,Chemical engineering ,Zinc–air battery ,X-ray photoelectron spectroscopy ,General Materials Science ,0210 nano-technology ,Carbon - Abstract
The intrinsic carbon defects including pentagons, vacancies and sp3-hybridized carbon have recently been proposed as efficient reactive sites for oxygen reduction reaction (ORR). Nevertheless, it is still a great challenge to controllably introduce the intrinsic defects into carbon materials. Herein, a universal defect-engineering method via vaporized salt is reported to modify the N-doped carbon surface with abundant sp3-hybridized carbon defects. At an elevated temperature, the vaporized sodium chloride is found to selectively modulate the surface structure of carbon material. The obtained carbon-based electrocatalyst delivers an outstanding electrocatalytic ORR property with a half-wave potential (E1/2) of 0.85 V vs. RHE and an excellent performance in zinc air battery (ZAB) test. The analysis of components and structures of surface elements via XANES and XPS reveals that the increasing sp3-hybridized carbon defects, induced by the vaporized-salt modification, are responsible for the enhancement of ORR performance. The theoretical calculations further suggest the sp3 component hybridizes with original sp2 carbon, forming efficient sp2/sp3 hybridized carbon sites towards ORR. Additionally, other halide salts are proved to have the similar effect on promoting ORR activity and this method can expand to other carbon-based materials, suggesting its universality and significance in synthesis of defect-rich carbon-based materials.
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- 2021
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46. Progress in treatment of type 2 diabetes by bariatric surgery
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Wei Liu and Zhang-Liu Jin
- Subjects
Sleeve gastrectomy ,medicine.medical_specialty ,endocrine system diseases ,Endocrinology, Diabetes and Metabolism ,medicine.medical_treatment ,Gastric bypass ,Less invasive ,Type 2 diabetes ,Review ,Insulin resistance ,Diabetes mellitus ,Internal Medicine ,medicine ,Obesity ,Bariatric surgery ,business.industry ,Microbiota ,nutritional and metabolic diseases ,Surgical procedures ,medicine.disease ,Bile acids ,Surgery ,business - Abstract
The incidence of type 2 diabetes (T2D) is increasing at an alarming rate worldwide. Bariatric surgical procedures, such as the vertical sleeve gastrectomy and Roux-en-Y gastric bypass, are the most efficient approaches to obtain substantial and durable remission of T2D. The benefits of bariatric surgery are realized through the consequent increased satiety and alterations in gastrointestinal hormones, bile acids, and the intestinal microbiota. A comprehensive understanding of the mechanisms by which various bariatric surgical procedures exert their benefits on T2D could contribute to the design of better non-surgical treatments for T2D. In this review, we describe the classification and evolution of bariatric surgery and explore the multiple mechanisms underlying the effect of bariatric surgery on insulin resistance. Based upon our summarization of the current knowledge on the underlying mechanisms, we speculate that the gut might act as a new target for improving T2D. Our ultimate goal with this review is to provide a better understanding of T2D pathophysiology in order to support development of T2D treatments that are less invasive and more scalable.
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- 2021
47. Effect of levosimendan on renal function in background of left ventricular dysfunction: a meta-analysis of randomized trials
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Chun-Ping Wang, Yu-Xiang Long, Shuang Hu, Xue Kuang, Yue Hu, Di-Yu Cui, and Zeng-Zhang Liu
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Inotrope ,medicine.medical_specialty ,Cardiotonic Agents ,Management of heart failure ,Renal function ,Kidney ,Kidney Function Tests ,law.invention ,Ventricular Dysfunction, Left ,Randomized controlled trial ,law ,Internal medicine ,medicine ,Humans ,Pharmacology (medical) ,In patient ,Simendan ,Randomized Controlled Trials as Topic ,business.industry ,food and beverages ,General Medicine ,Levosimendan ,Cardiac surgery ,Meta-analysis ,Cardiology ,business ,Glomerular Filtration Rate ,medicine.drug - Abstract
Levosimendan, an inotrope, is widely used in the management of heart failure (HF) and cardiac surgery, but it remains uncertain whether levosimendan can improve renal function in patients with left ventricular dysfunction (LVD).PubMed, Embase, and Cochrane CENTRAL from the inception to June 2020 were systematically screened for randomized controlled trials (RCTs) to investigate whether levosimendan offers kidney-related advantages in cardiovascular patients with LVD. We pooled the effects using a random-effect model.Twenty-eight studies enrolling 5069 patients were included. Levosimendan reduced the sCr (SMD -0.28, 95% CI (-0.48, -0.09), P = 0.005, ILevosimendan might improve renal function of patients with LVD.
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- 2021
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48. The Protective Effects of Parathyroid Hormone (1‐34) on Cartilage and Subchondral Bone Through Down‐Regulating JAK2/STAT3 and WNT5A/ROR2 in a Collagenase‐Induced Osteoarthritis Mouse Model
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Shao, Li‐tao, Gou, Yu, Fang, Jia‐kang, Hu, Yun‐peng, Lian, Qiang‐qiang, Yang, Zhou, Zhang, Yu‐ying, Wang, Yu‐dan, Tian, Fa‐ming, and Zhang, Liu
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Cartilage, Articular ,Male ,STAT3 Transcription Factor ,Orthopedic surgery ,Scientific Articles ,Down-Regulation ,Subchondral bone ,Janus Kinase 2 ,Osteoarthritis, Knee ,Receptor Tyrosine Kinase-like Orphan Receptors ,Parathyroid hormone ,Wnt-5a Protein ,Mice, Inbred C57BL ,Disease Models, Animal ,Mice ,Cartilage ,JAK2 ,Osteoarthritis ,Animals ,Scientific Article ,Collagenases ,RD701-811 - Abstract
Objective To assess the effects of PTH (1‐34) on bone and cartilage metabolism in a collagenase‐induced mouse model of osteoarthritis (OA) and examine whether PTH (1‐34) affects the expression of JAK2/STAT3 and WNT5A/ROR2 in this process. Methods Eighteen 12‐week‐old male C57Bl/6 mice were randomly assigned into three groups as follows: sham group (Group A), the collagenase + saline injection group (Group B), and the collagenase + PTH (1‐34) treatment group (Group C). Collagenase was injected (intra‐articular) into the knee joint of Group B and C. The PTH (1–34)‐treatment was started at 6 weeks after the operation and lasted for 6 weeks. Cartilage pathology was evaluated by gross visual, histological, and immunohistochemical assessments. Subchondral bone was evaluated by microcomputed tomography (micro‐CT) and immunohistochemical analyses. Results The OARSI macroscopic and microscopic scores of Group B were higher than those of Group A (P = 0.026; P = 0.002, respectively). Group C showed statistically significant differences in macroscopic and microscopic scores from Group B (P = 0.041; P = 0.008, respectively). The results showed that the Col‐II and AGG expression levels in the cartilage tissue were significantly lower in Group B than Group A (P, The mechanism and effect of PTH (1‐34) on osteoarthritis.
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- 2021
49. RFID: Towards Low Latency and Reliable DAG Task Scheduling over Dynamic Vehicular Clouds
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Zhang Liu, Minghui Liwang, Seyyedali Hosseinalipour, Huaiyu Dai, Zhibin Gao, and Lianfen Huang
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FOS: Computer and information sciences ,Computer Science - Distributed, Parallel, and Cluster Computing ,Computer Networks and Communications ,Automotive Engineering ,Aerospace Engineering ,Distributed, Parallel, and Cluster Computing (cs.DC) ,Electrical and Electronic Engineering - Abstract
Vehicular cloud (VC) platforms integrate heterogeneous and distributed resources of moving vehicles to offer timely and cost-effective computing services. However, the dynamic nature of VCs (i.e., limited contact duration among vehicles), caused by vehicles' mobility, poses unique challenges to the execution of computation-intensive applications/tasks with directed acyclic graph (DAG) structure, where each task consists of multiple interdependent components (subtasks). In this paper, we study scheduling of DAG tasks over dynamic VCs, where multiple subtasks of a DAG task are dispersed across vehicles and then processed by cooperatively utilizing vehicles' resources. We formulate DAG task scheduling as a 0-1 integer programming, aiming to minimize the overall task completion time, while ensuring a high execution success rate, which turns out to be NP-hard. To tackle the problem, we develop a ranking and foresight-integrated dynamic scheduling scheme (RFID). RFID consists of (i) a dynamic downward ranking mechanism that sorts the scheduling priority of different subtasks, while explicitly taking into account for the sequential execution nature of DAG; (ii) a resource scarcity-based priority changing mechanism that overcomes possible performance degradations caused by the volatility of VC resources; and (iii) a degree-based weighted earliest finish time mechanism that assigns the subtask with the highest scheduling priority to the vehicle which offers rapid task execution along with reliable transmission links. Our simulation results reveal the effectiveness of our proposed scheme in comparison to benchmark methods.
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- 2022
50. Experience Feedback Report on Hydrogen Meter Discontinuity of Steam Generator Overflow Tube
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Zhang Liu-Huan, Wu Xiang, and Ouyang Dong-Fang
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The hydrogen meter sampling branch of 1st ring steam generator overflow pipe of CEFR secondary loop from 2016 to March 2020 has no access to sodium flow. The unavailability affects the way judges the small leakage in the upper part of the steam generator. After investigation, in March 2020, the sampling branch restored sodium flow, and the hydrogen meter returned to normal. In this paper, the cause analysis, troubleshooting process and solutions of hydrogen meter sampling branch are introduced, and the operation and maintenance experience of diffused hydrogen meter system is summarized, providing reference for the design, optimization, maintenance and personnel training of diffusion hydrogen meter in China experimental fast reactor (CEFR) and demonstration fast reactor.
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- 2022
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