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13篇 您的检索式:作者名="Shaowen Shi"
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1Chromosomal microarray analysis vs.karyotyping for fetal ventriculomegaly:a meta-analysis显示文摘Background:Chromosomal abnormalities are important causes of ventriculomegaly(VM).In mild and isolated cases of fetal VM,obstetricians rarely give clear indications for pregnancy termination.We aimed to calculate the incidence of chromosomal abnormalities and incremental yield of chromosomal microarray analysis(CMA)in VM,providing more information on genetic counseling and prognostic evaluation for fetuses with VM.Methods:The Chinese language databases Wanfang Data,China National Knowledge Infrastructure,and China Biomedical Literature Database(from January 1,1991 to April 29,2020)and English language databases PubMed,Embase,and Cochrane Library(from January 1,1945 to April 29,2020)were systematically searched for articles on fetal VM.Diagnostic criteria were based on ultrasonographic or magnetic resonance imaging(MRI)assessment of lateral ventricular atrium width:≥10 to<15 mm for mild VM,and≥15 mm for severe VM.Isolated VM was defined by the absence of structural abnormalities other than VM detected by ultrasonography or MRI.R software was used for the meta-analysis to determine the incidence of chromosomal abnormalities and incremental yield of CMA in VM,and the combined rate and 95%confidence interval(CI)were calculated.Results:Twenty-three articles involving 1635 patients were included.The incidence of chromosomal abnormalities in VM was 9%(95%CI:5%-12%)and incremental yield of CMA in VM was 11%(95%CI:7%-16%).The incidences of chromosomal abnormalities in mild,severe,isolated,and non-isolated VM were 9%(95%CI:4%-16%),5%(95%CI:1%-11%),3%(95%CI:1%-6%),and 13%(95%CI:4%-25%),respectively.Conclusions:Applying CMA in VM improved the detection rate of abnormalities.When VM is confirmed by ultrasound or MRI,obstetricians should recommend fetal karyotype analysis to exclude chromosomal abnormalities.Moreover,CMA should be recommended preferentially in pregnant women with fetal VM who are undergoing invasive prenatal diagnosis.CMA cannot completely replace chromosome karyotype analysis.Yan Sun Weiyuan Zhang Zhiwen Wang Likui Guo Shaowen Shi 2022Chinese Medical Journal2022,,3:3
2Role of constraints in Chinese calligraphic landscape experience: An extension of a leisure constraints model显示文摘Honglei Zhang Jie Zhang Shaowen Cheng Shaojing Lu Chunyun Shi 2012Tourism Management2012,,6:2
3Zeolite templated carbon nanodots for broadband ultrafast pulsed fiber laser generation显示文摘Carbon nanodots(C-dots) with a uniform size of about 2 nm are synthesized via in situ pyrolysis of n-propylamine that is confined in the nanochannels of zeolite Linde Type A(LTA). The as-synthesized C-dots@LTA composite shows nonlinear optical saturable absorption properties in a broad wavelength band and can be used as saturable absorber(SA) to generate ultrafast pulsed fiber lasers. By inserting a zeolite LTA single crystal hosting C-dots into the fiber laser cavity, mode-locked fiber lasers with long-term operation stability at 1.5 μm and 1 μm are achieved. These results show that the C-dots@LTA are a promising SA material for ultrafast pulsed fiber laser generation in a broad wavelength band. To the best of our knowledge, this is the first demonstration of a C-dots@LTA-based mode-locked fiber laser.XINTONG XU JIAQI CHEN WENTAO SHI DALIN SUN SHAOWEN CHU LANG SUN WENFEI ZHANG YANPING CHEN JIANPANG ZHAI SHUANGCHEN RUAN ZIKANG TANG 2019Photonics Research2019,7,10:2
4Dual synergetic catalytic effects boost hydrogen electric oxidation performance of Pd/W_(18)O_(49)显示文摘Developing anode catalysts of substantially enhanced activity for hydrogen oxidation reaction(HOR)and anti-CO poisoning performance is of great importance for the application of proton exchange membrane fuel cells(PEMFCs).Herein,we report Pd cluster in situ decorated urchin-like W_(18)O_(49)(WO_(2.72))electrocatalysts by a photo-reduction method for high performance HOR.The synthesized Pd-WO_(2.72)-L composite of low loading amount of 0.44 wt.%Pd by Xenon light reduction exhibits markedly high HOR catalytic activity and stability in 0.5 M H_(2)SO_(4),and the specific HOR current density and mass activity of Pd-WO_(2.72)-L are~1.5 and~80 times those of 20 wt.%Pt/C catalyst,respectively.Moreover,excellent anti-CO poisoning ability has also been obtained.The excellent HOR activity and anti-CO poisoning performance of Pd-WO_(2.72)-L have been discussed mainly in terms of the dual synergetic catalytic effects between Pd and WO_(2.72):Pd activation to Pd^(δ+)by the electron transfer from Pd to W promotes the hydrogen adsorption and activation to H*species,which results in largely elevated HOR activity;Pd degradation due to the CO poisoning is effectively prevented by WO_(2.72),which is responsible for the excellent CO-tolerance performance.Lingxin Peng Han Tian Xiangzhi Cui Liang Su Ge Meng Zhonghua Ma Shaowen Cao Jianlin Shi 2021Nano Research2021,14,7:2
5Corrosion Mechanism of E-glass of Chemical Resistance Glass Fiber in Acid Environment显示文摘The corrosion of ECR glass fiber was investigated by the analysis methods of weight loss ratio under different acids and at various durations.Weight loss,leaching of cations,and surface composition of ECR glass fiber were analyzed.The corrosion mechanism of ECR glass fiber in acid environment was also discussed.The experimental results showed that the corrosion degree of ECR glass fiber in different acids obeyed the order: HNO_3>H_2SO_4>HCl.The acid effects on corrosion of ECR glass fiberis were totally different.Hydrochloric acid mainly destroyed the network structure of [AlO_4],while sulfuric acid and nitric acid mainly destroyed the structure of [SiO_4].The acid resistance of ECR glass fiber is much better than that of E glass fiber due to the generation of intermediate product silicic acid gel Si(OH)_4 during ion exchange.It can adhere to the glass surface to form a thin film and hinder the proceeding of corrosion.谢俊 YIN Peng SHI Weiguang HU Min 王静 ZHOU Xuedong HAN Jianjun CAO Shaowen HAN Lixiong YAO Yuan 2016Journal of Wuhan University of Technology(Materials Science)2016,31,4:1
6Longitudinal two-dimensional strain rate imaging: a potential approach to predict the response to cardiac resynchronization therapy显示文摘Haoying Shi Xianhong Shu Fang Wang Jie Cui Haozhu Chen Baogui Sun Shaowen Liu 2009The International Journal of Cardiovascular Imaging2009,,:1
7Haemophilus parasuis infection activates the NF-κB pathway in PK-15 cells through IκB degradation显示文摘Yushan Chen Hui Jin Ping Chen Zili Li Xianrong Meng Mei Liu Shaowen Li Deshi Shi Yuncai Xiao Xiliang Wang Zutao Zhou Dingren Bi Rui Zhou 2012Veterinary Microbiology (-)2012,,1:1
8Modification of epoxy resin by acrylic copolymers with side-chained mesogenie units 显示文摘BAO-LONG ZHANG SHAOWEN LIAO KEYU SHI 1999J Apply Polym Sci1999,73,:1
9Continuous activation of polymorphonuclear myeloid-derived suppressor cells during pregnancy is critical for fetal development显示文摘The maternal immune system is vital in maintaining immunotolerance to the semiallogeneic fetus for a successful pregnancy.Although studies have shown that myeloid-derived suppressor cells(MDSCs)play an important role in maintaining feto-maternal tolerance,little is known about the role of MDSCs in pregnancies with intrauterine growth retardation(IUGR).Here,we reported that the activation of polymorphonuclear myeloid-derived suppressor cells(PMN-MDSCs)during pregnancy was closely associated with fetal growth.In humans,class E scavenger receptor 1(SR-E1),a distinct marker for human PMN-MDSCs,was used to investigate PMN-MDSC function during pregnancy.Continuous activation of SR-E1+PMN-MDSCs was observed in all stages of pregnancy,accompanied by high cellular levels of ROS and arginase-1 activity,mediated through STAT6 signaling.However,SR-E1+PMN-MDSCs in pregnancies with IUGR showed significantly lower suppressive activity,lower arginase-1 activity and ROS levels,and decreased STAT6 phosphorylation level,which were accompanied by an increase in inflammatory factors,compared with those in normal pregnancies.Moreover,the population of SR-E1+PMN-MDSCs was negatively correlated with the adverse outcomes of newborns from pregnancies with IUGR.In mice,decreases in cell population,suppressive activity,target expression levels,and STAT6 phosphorylation levels were also observed in the pregnancies with IUGR compared with the normal pregnancies,which were rescued by the adoptive transfer of PMN-MDSCs from pregnant mice.Interestingly,the growth-promoting factors(GPFs)secreted by placental PMN-MDSCs in both humans and mice play a vital role in fetal development.These findings collectively support that PMN-MDSCs have another new role in pregnancy,which can improve adverse neonatal outcomes.Mengyu Shi Ziyang Chen Meiqi Chen Jingping Liu Jing Li Zhe Xing Xiaogang Zhang Shuaijun Lv Xinyao Li Shaowen Zuo Shi Feng Ying Lin Gang Xiao Liping Wang Yumei He 2021Cellular & Molecular Immunology2021,18,7:1
10A novel long-term intravenous combined with local treatment with human amnion-derived mesenchymal stem cells for a multidisciplinary rescued uremic calciphylaxis patient and the underlying mechanism显示文摘Calciphylaxis is a rare disease characterized histologically by microvessel calcification and microthrombosis,with high mortality and no proven therapy.Here,we reported a severe uremic calciphylaxis patient with progressive skin ischemia,large areas of painful malodorous ulcers,and mummified legs.Because of the worsening symptoms and signs refractory to conventional therapies,treatment with human amnion-derived mesenchymal stem cells(hAMSCs)was approved.Preclinical release inspections of hAMSCs,efficacy,and safety assessment,including cytokine secretory ability,immunocompetence,tumorigenicity,and genetics analysis in vitro,were introduced.We further performed acute and long-term hAMSC toxicity evaluations in C57BL/6 mice and rats,abnormal immune response tests in C57BL/6 mice,and tumorigenicity tests in neonatal Balbc-nu nude mice.After the preclinical research,the patient was treated with hAMSCs by intravenous and local intramuscular injection and external supernatant application to the ulcers.When followed up to 15 months,the blood-based markers of bone and mineral metabolism improved,with skin soft tissue regeneration and a more favorable profile of peripheral blood mononuclear cells.Skin biopsy after 1-month treatment showed vascular regeneration with mature noncalcified vessels within the dermis,and 20 months later,the re-epithelialization restored the integrity of the damaged site.No infusion or local treatment-related adverse events occurred.Thus,this novel long-term intravenous combined with local treatment with hAMSCs warrants further investigation as a potential regenerative treatment for uremic calciphylaxis due to effects of inhibiting vascular calcification,stimulating angiogenesis and myogenesis,anti-inflammatory and immune modulation,multidifferentiation,re-epithelialization,and restoration of integrity.Lianju Qin Jing Zhang Yujie Xiao Kang Liu Yugui Cui Fangyan Xu Wenkai Ren Yanggang Yuan Chunyan Jiang Song Ning Xiaoxue Ye Ming Zeng Hanyang Qian Anning Bian Fan Li Guang Yang Shaowen Tang Zhihong Zhang Juncheng Dai Jing Guo Qiang Wang Bin Sun Yifei Ge Chun Ouyang Xueqiang Xu Jing Wang Yaoyu Huang Hongqing Cui Jing Zhou Meilian Wang Zhonglan Su Yan Lu Di Wu Jingping Shi Wei Liu Li Dong Yinbing Pan Baiqiao Zhao Ying Cui Xueyan Gao Zhanhui Gao Xiang Ma Aiqin Chen Jie Wang Meng Cao Qian Cui Li Chen Feng Chen Youjia Yu Qiang Ji Zhiwei Zhang Mufeng Gu Xiaojun Zhuang Xiaolin Lv Hui Wang Yanyan Pan Ling Wang Xianrong Xu Jing Zhao Xiuqin Wang Cuiping Liu Ningxia Liang Changying Xing Jiayin Liu Ningning Wang 2022Journal of Molecular Cell Biology2022,14,2:1
11CAW-YOLO:Cross-Layer Fusion and Weighted Receptive Field-Based YOLO for Small Object Detection in Remote Sensing显示文摘In recent years,there has been extensive research on object detection methods applied to optical remote sensing images utilizing convolutional neural networks.Despite these efforts,the detection of small objects in remote sensing remains a formidable challenge.The deep network structure will bring about the loss of object features,resulting in the loss of object features and the near elimination of some subtle features associated with small objects in deep layers.Additionally,the features of small objects are susceptible to interference from background features contained within the image,leading to a decline in detection accuracy.Moreover,the sensitivity of small objects to the bounding box perturbation further increases the detection difficulty.In this paper,we introduce a novel approach,Cross-Layer Fusion and Weighted Receptive Field-based YOLO(CAW-YOLO),specifically designed for small object detection in remote sensing.To address feature loss in deep layers,we have devised a cross-layer attention fusion module.Background noise is effectively filtered through the incorporation of Bi-Level Routing Attention(BRA).To enhance the model’s capacity to perceive multi-scale objects,particularly small-scale objects,we introduce a weightedmulti-receptive field atrous spatial pyramid poolingmodule.Furthermore,wemitigate the sensitivity arising from bounding box perturbation by incorporating the joint Normalized Wasserstein Distance(NWD)and Efficient Intersection over Union(EIoU)losses.The efficacy of the proposedmodel in detecting small objects in remote sensing has been validated through experiments conducted on three publicly available datasets.The experimental results unequivocally demonstrate the model’s pronounced advantages in small object detection for remote sensing,surpassing the performance of current mainstream models.Weiya Shi Shaowen Zhang Shiqiang Zhang 2024Computer Modeling in Engineering & Sciences2024,139,6:0
12Fast electrothermal coupling calculation method for supporting digital twin construction of electrical equipment显示文摘The failure of electrical equipment directly or indirectly caused by overheating has become one of the main reasons for equipment accidents.The real-time condition monitoring method of electrical equipment based on digital twin(DT)has received extensive attention and is considered as a technology with great engineering values and excellent application prospects.However,the current calculation of DT mostly relies on the traditional finite element method(CFEM).This method becomes less computationally efficient as the size of the DT increases,especially for electrical equipment with high complexity.It is difficult to meet the requirements real-time calculation in DT.Therefore,starting from the algorithm optimization and parallel architecture,based on the weighted residual method and stabilised conforming nodal integration,a novel discrete method of electrothermal coupling equation is proposed and the data storage structure of the algorithm from the bottom layer is redesigned,and the corresponding GPU and multi-core CPU parallel framework are proposed.Finally,taking the high voltage bushing as an example,the correctness of the method in this paper is verified by the CFEM code and commercial software ABAQUS.Under the same grid and accuracy requirement,the calculation time is shortened by at least five times than ABAQUS.And the method is easy to extend to other types of multi-physics calculations.Xiaosong Zhu Youyuan Wang Ruixiao Meng Shi Long Shaowen Wu 2023High Voltage2023,8,2:0
13Methionine addition improves the acid tolerance of Lactiplantibacillus plantarum by altering cellular metabolic flux,energy distribution,lipids composition显示文摘This paper reported a wine-derived lactic acid bacterium,Lactiplantibacillus plantarum XJ25,which exhibited higher cell viability under acid stress upon methionine supplementation.Cellular morphology and the composition of the cytomembrane phospholipids revealed a more solid membrane architecture presented in the acid-stressed cells treated with methionine supplementation.Transcriptional analysis showed L.plantarum XJ25 reduced methionine transport and homocysteine biosynthesis under acid stress.Subsequent overexpression assays proved that methio-nine supplementation could alleviate the cell toxicity from homocysteine accumulation under acid stress.Finally,L.plantarum XJ25 employed energy allocation strategy to response environmental changes by balancing the uptake methionine and adjusting saturated fatty acids(SFAs)in membrane.These data support a novel mechanism of acid resistance involving methionine utilization and cellular energy distribution in LAB and provide crucial theoretical clues for the mechanisms of acid resistance in other bacteria.Qiang Meng Yueyao Li Yuxin Yuan Shaowen Wu Kan Shi Shuwen Liu 2022Stress Biology2022,2,1:0
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