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Advances in spaceborne hyperspectral remote sensing in China

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Geo-Spatial Information Science 2021年第1期24卷 95-120,I0012页

作者： Yanfei Zhong xinyu wang Shaoyu wang Liangpei Zhang State Key Laboratory of Information Engineering in Surveying Mapping and Remote SensingWuhan UniversityWuhanChina School of Remote Sensing and Information Engineering Wuhan UniversityWuhanChina

With the maturation of satellite technology,Hyperspectral Remote Sensing(HRS)platforms have developed from the initial ground-based and airborne platforms into spaceborne platforms,which greatly promotes the civil application of HRS imagery in the fields of agriculture,forestry,and environmental *** is playing an important role in this evolution,especially in recent years,with the successful launch and operation of a series of civil hyper-spectral spacecraft and satellites,including the Shenzhou-3 spacecraft,the Gaofen-5 satellite,the SPARK satellite,the Zhuhai-1 satellite network for environmental and resources monitoring,the FengYun series of satellites for meteorological observation,and the Chang’E series of spacecraft for planetary *** Chinese spaceborne HRS platforms have various new characteristics,such as the wide swath width,high spatial resolution,wide spectral range,hyperspectral satellite networks,and *** paper focuses on the recent progress in Chinese spaceborne HRS,from the aspects of the typical satellite systems,the data processing,and the *** addition,the future development trends of HRS in China are also discussed and analyzed.

关键词： Hyperspectral remote sensing spaceborne HRS hyperspectral image processing and remote sensing applications

17~45岁肥胖门诊患者的6分钟步行试验距离参考方程研究

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中国全科医学 2025年第3期28卷 330-334,345页

作者：张家鸣王欣宇王道荣孙晓芳扬州大学医学院江苏省扬州市225009 江苏省苏北人民医院内分泌科江苏省扬州市225001

背景目前6分钟步行试验(6MWT)已经被广泛用于评估肥胖人群的运动能力,并为制订干预措施提供了参考依据。国外已有研究提出了其他人群的6MWT距离参考方程,但中国17~45岁且BMI≥30 kg/m^(2)肥胖受试者的6MWT距离参考方程研究较少。目的 ... 详细信息

背景目前6分钟步行试验(6MWT)已经被广泛用于评估肥胖人群的运动能力,并为制订干预措施提供了参考依据。国外已有研究提出了其他人群的6MWT距离参考方程,但中国17~45岁且BMI≥30 kg/m^(2)肥胖受试者的6MWT距离参考方程研究较少。目的为17~45岁门诊肥胖受试者制订6MWT距离参考方程,并评估其影响因素。方法根据美国胸科学会指南,前瞻性选取2022年6月—2023年9月于江苏省苏北人民医院内分泌科肥胖门诊部就诊的143名年龄17~45岁且BMI≥30 kg/m^(2)的成年人(71名男性和72名女性),进行人体测量和6MWT。采用逐步多元回归模型建立6MWT距离参考方程,将新建立的6MWT距离参考方程与现有的预测方程进行比较。结果 143名受试者的平均6MWT距离为(506.1±49.8)m,其中男性平均6MWT距离为(515.7±50.1)m,大于女性的平均6MWT距离(496.6±47.9)m(P<0.05)。在年龄段17~23岁、24~30岁、31~37岁以及38~45岁中,男性与女性6MWT距离比较,差异均有统计学意义(P<0.05)。男性受试者的体质量、BMI、最大心率(HR_(max))、心率差(ΔHR)、腰围、舒张压差(ΔDBP)、Borg量表评分差(ΔBorg)与6MWT距离相关(P<0.05),女性受试者的体质量、BMI、腰围与6MWT距离相关(P<0.05)。以步进的方法将潜在的影响因素纳入多元线性回归方程中,最终建立6MWT距离参考公式:男性y=494.463+1.414×ΔHR-3.903×BMI+0.874×HR_(max),R^(2)=0.429,女性y=670.448+0.299×ΔHR-4.342×BMI-0.195×HR_(max),R^(2)=0.312。结论 17~45岁门诊肥胖受试者中,男性的平均6MWT距离长于女性,且在不同年龄段均有显著差异。男性的体质量、BMI、HR_(max)、ΔHR、腰围、ΔDBP、ΔBorg与6MWT距离相关,女性的体质量、BMI、腰围、ΔSBP与6MWT距离相关。通过多元线性回归分析,为男性和女性分别建立了预测6MWT距离的参考方程,这些公式可能为评估个体的体能水平提供有价值的参考。

关键词：肥胖症步行试验距离方程 17~45岁 6分钟步行试验影响因素分析

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Highly sensitive flexible strain sensor based on microstructured biphasic hydrogels for human motion monitoring

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Frontiers of Materials Science 2023年第4期17卷 55-64页

作者： Xin Gao xinyu wang Xingce Fan Key Laboratory of Quantum Materials and Devices of Ministry of Education School of PhysicsSoutheast UniversityNanjing 211189China School of Chemistry and Chemical Engineering Southeast UniversityNanjing 211189China

Flexible strain sensors have been extensively used in human motion detection,medical aids,electronic skins,and other civilian or military *** strain sensors made of metal or semiconductor materials suffer from insufficient stretchability and sensitivity,imposing severe constraints on their utilization in wearable ***,we design a flexible strain sensor based on biphasic hydrogel via an in-situ polymerization method,which possesses superior electrical response and mechanical *** stress could prompt the formation of conductive microchannels within the biphasic hydrogel,which originates from the interaction between the conductive water phase and the insulating oil *** device performance could be optimized by carefully regulating the volume ratio of the oil/water ***,the flexible strain sensor with oil phase ratio of 80%demonstrates the best sensitivity with gauge factor of 33 upon a compressive strain range of 10%,remarkable electrical stability of 100 cycles,and rapid resistance response of 190 ***,the human motions could be monitored by this flexible strain sensor,thereby highlighting its potential for seamless integration into wearable devices.

关键词： flexible strain sensor biphasic hydrogel conductive hydrogel human motion monitoring

Solid Electrolyte Interface in Zn-Based Battery Systems

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Nano-Micro Letters 2022年第12期14卷 286-309页

作者： xinyu wang Xiaomin Li Huiqing Fan Longtao Ma Frontiers Science Center for Flexible Electronics Institute of Flexible ElectronicsNorthwestern Polytechnical UniversityXi’an 710072People’s Republic of China State Key Laboratory of Solidification Processing School of Materials Science and EngineeringNorthwestern Polytechnical UniversityXi’an 710072People’s Republic of China

Due to its high theoretical capacity(820 mAh g^(−1)),low standard electrode potential(−0.76 V ***),excellent stability in aqueous solutions,low cost,environmental friendliness and intrinsically high safety,zinc(Zn)-based batteries have attracted much attention in developing new energy storage *** Zn battery system,the battery performance is significantly affected by the solid electrolyte interface(SEI),which is controlled by electrode and electrolyte,and attracts dendrite growth,electrochemical stability window range,metallic Zn anode corrosion and passivation,and electrolyte ***,the design of SEI is decisive for the overall performance of Zn battery *** paper summarizes the formation mechanism,the types and characteristics,and the characterization techniques associated with ***,we analyze the influence of SEI on battery performance,and put forward the design strategies of ***,the future research of SEI in Zn battery system is prospected to seize the nature of SEI,improve the battery performance and promote the large-scale application.

关键词： Solid electrolyte interface Zn-based battery Solvated structure Artificial SEI In situ SEI

Piezoelectric composite hydrogel with wireless electrical stimulation enhances motor functional recovery of spinal cord injury

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Journal of Materials Science & Technology 2024年第5期172卷 228-239页

作者： Zehao Li Guanlin Li xinyu wang Zheng Zhao State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China Sanya Science and Education Innovation Park of Wuhan University of Technology Sanya 572000China

Electrical stimulation(ES)can restore motor function after spinal cord injury(SCI).However,traditional intraspinal ES has many disadvantages,such as the need for a complex circuitry device,an external power source,and a second surgery to remove the *** materials have received increasing at-tention due to their potential to convert ambient mechanical energy into ES without an external power source or implantation of ***,a novel polydopamine(PDA)coated barium titanate(BaTiO_(3))nanoparticles(BaTiO_(3)@PDA)incorporated silk fibroin(SF)hydrogel(SFBT)was *** SFBT hy-drogel was crosslinked by horseradish peroxidase(HRP)/hydrogel peroxide(H_(2)O_(2))to integrate the piezo-electric potency of BaTiO_(3)with the thermal sensitivity of HRP/H_(2)O_(2)for SCI *** hydrogel con-taining 5%(w/v)BaTiO_(3)@PDA nanoparticles(SFBT-5),which was selected for in vivo study,exhibited a short gelation time(5 min),suitable storage modulus(925±35 Pa),and wireless ES(average current of 124 nA).Moreover,Basso-Beattie-Bresnahan(BBB)scores test and footprint analysis demonstrated that the SFBT-5 hydrogel successfully enhanced motor functional recovery of *** histopathological assess-ments,the SFBT-5 hydrogel significantly accelerated spinal cord healing,as indicated by smaller lesion cavities(∼16.7%of the SCI group).Meanwhile,the SFBT-5 hydrogel accelerated neurogenesis,facilitated axon regrowth and synapse formation,and promoted ***,this study highlights the potential of piezoelectric hydrogels for SCI regeneration.

关键词： Silk fibroin Barium titanate Piezoelectric hydrogel Spinal cord injury Electrical stimulation

Adaptation of pine wood nematode,Bursaphelenchus xylophilus,early in its interaction with two Pinus species that differ in resistance

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Journal of Forestry Research 2022年第4期33卷 1391-1400页

作者： Yaqi Feng Lin Rui xinyu wang Xiaoqin Wu Co-Innovation Center for Sustainable Forestry in Southern China College of ForestryNanjing Forestry UniversityNanjing 210037People’s Republic of China Jiangsu Key Laboratory for Prevention and Management of Invasive Species Nanjing Forestry UniversityNanjing 210037People’s Republic of China

Pine wilt disease(PWD)is one of the most devastating diseases of Pinu s *** is caused by the pine wood nematode(PWN),Bursaphelenchus xylophilus(Steiner&Buhrer)*** study adaptation of PWN to survive in hosts that differ in resistance,we examined the self-regulatory characteristics of PWN at the biological and molecular levels early in the ***-year-old susceptible Pinus thunbergii and resistant Pinus taeda were selected for this experiment,and changes in PWNs after inoculation were assessed.q RT-PCR was used to detect changes in genes related to PWN pathogenicity and *** results showed that the migration and reproductive abilities of PWNs in *** were stronger than those of PWNs in *** 7 d,the number of nematodes in *** was approximately 3.2-fold higher than in *** 15 d,the number of nematodes in *** was approximately twofold higher than that in *** PWN can adjust its sex ratio after infection,we compared the sex ratio of uninoculated PWNs,to that in the two pine *** ***,the female to male ratio first decreased and then stabilized over time;in *** first decreased and then *** fat accumulation in PWNs increased significantly after the PWNs entered the tree body;the accumulation rate in *** was higher than in *** at 7 d,but lower after 15 *** electron microscopy(SEM)showed significantly more bacteria on the surface of PWNs in *** compared with PWNs in susceptible *** 12 h after inoculation,the expression of genes related to cell-wall degradation(Bx Beta1-4 and Bxpel1),effectors(Bx CDP1,Bx Sap B1),and active oxygen metabolism(Bxy-ctl-1 and Bx GST3)was 2–6×higher in the resistant pine than in the susceptible *** contrast,in PWNs,the expression of autophagy-related genes Bx ATG1 and Bx ATG16 was 1.5–2 times higher in *** than in *** results indicate that the interaction between PWNs and p

关键词： Pine wood nematode Self-regulation Pinus thunbergii Pinus taeda Pathogenicity and detoxificationrelated genes

Electron paramagnetic resonance studies of the chelate-based ionic liquid in different solvents

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Green Energy & Environment 2020年第3期5卷 341-346页

作者： Songna Zhang xinyu wang Jia Yao Haoran Li Department of Chemistry ZJU-NHU United R&D CenterZhejiang UniversityHangzhou310027China State Key Laboratory of Chemical Engineering College of Chemical and Biological EngineeringZhejiang UniversityHangzhou310027China

The electron paramagnetic resonance spectra of the chelate-based ionic liquid[C_(10)mim][Cu(F_6-acac)_3]in different solvents have been obtained at 120 *** was found that the values of the^(63)Cu hyperfine coupling constants(A_(IL))of[C_(10)mim][Cu(F_6-acac)_3]in molecular solvents were from 116 to 180 ***,the A_(IL)values in general ionic liquids are more complicated,and two sets of peaks can often be observed in their electron paramagnetic resonance *** on the Kamlet-Taft parameters,relative permittivity,the experimental results were discussed in terms of solvation effect and coordination of the solvents.

关键词： Chelate-based ionic liquid Probe Electron paramagnetic resonance spectra Solvents

Elucidating solvent effects on the stability of phenoxyl radicals in monohydric alcohols via electron paramagnetic resonance

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Green Chemical Engineering 2024年第4期5卷 483-488页

作者： xinyu wang Wenjing Sun Yongtao wang Haoran Li Department of Chemistry Zhejiang UniversityHangzhou310058China Center of Chemistry for Frontier Technologies ZJU-NHU United R&D CenterZhejiang UniversityHangzhou310058China State Key Laboratory of Chemical Engineering College of Chemical and Biological EngineeringZhejiang UniversityHangzhou310058China

Research on solvent effects is an important and long-standing topic,but there still is some room,especially for the special solvent effect of *** this work,we investigated the stability of phenoxyl radical in monohydric alcohol solvents through in-situ electron paramagnetic resonance *** decay behavior of phenoxyl radical showed a reasonable relationship with the mesoscopic structure of alcohols,characterized by smalland wide-angle X-ray ***,the distinct solvent effects of fluoroalcohols were emphasized,and the significant influence of van der Waals distance in the solvents was ***,the stability of phenoxyl radical in alcohols was quantified and correlated with the solvent *** believe that the established method for stability study on radicals will encourage solvent effect studies on various organic reactions,and the proposed solvent effects in fluoroalcohols may inspire the development of green solvents in both industrial conversions and organic synthesis.

关键词： Solvent effect Fluoroalcohol Phenoxyl radical Stability Electron paramagnetic resonance

Effects of Tianma(Rhizoma Gastrodiae)and Gouteng(Ramulus Uncariae Rhynchophyllae cum Uncis)on cytochrome P450 enzyme activities in rats

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Journal of Traditional Chinese Medicine 2021年第2期41卷 284-292页

作者： LIU Xin wang xinyu PENG Yinxuan wang Xing College of Medicine Southwest Jiaotong UniversityChengdu 610031China 不详

OBJECTIVE:To investigate the efficacy of Tianma(Rhizoma Gastrodiae)and Gouteng(Ramulus Uncariae Rhynchophyllae cum Uncis)on cytochrome P450(CYP450)enzyme activities in ***:A cocktail strategy was followed to evaluate the influence of Tianma(Rhizoma Gastrodiae)and Gouteng(Ramulus Uncariae Rhynchophyllae cum Uncis)on the activities of CYP450 isoforms(CYP1A2,CYP3A4,CYP2E1,CYP2C19,CYP2C9,CYP2D6),which were determined by changes in the pharmacokinetic parameters of six probe drugs,theophylline,dapsone,chlorzoxazone,omeprazole,tolbutamide and *** groups included,Control group(CG),Tianma(Rhizoma Gastrodiae)group(TM),Gouteng(Ramulus Uncariae Rhynchophyllae cum Uncis)group(GT)and Tianma Gouteng(Gastrodia Uncaria)group(TMGT).RESULTS:No significant differences between Tianma(Rhizoma Gastrodiae)and control groups were *** with the control group,in the Gouteng(Ramulus Uncariae Rhynchophyllae cum Uncis)group both the AUC and t1/2 of dapsone and tolbutamide were reduced,whereas the CL(clearance rate)of dapsone and tolbutamide were *** with the control group,in the Tianma Gouteng group,the AUC and t1/2 of dapsone and tolbutamide were reduced,the CL of dapsone and tolbutamide were increased,and the AUC and t1/2 of chlorzoxazone were increased and the CL of chlorzoxazone was ***:Tianma(Rhizoma Gastrodiae)has no significant effect on the six CYP450 *** activities of CYP3A4 and CYP2C9 were increased by Gouteng(Ramulus Uncariae Rhynchophyllae cum Uncis).The activities of CYP3A4 and CYP2C9 were increased,whereas the activity of CYP32E1 was reduced by combined Tianma(Rhizoma Gastrodiae)and Gouteng(Ramulus Uncariae Rhynchophyllae cum Uncis).

关键词： Gastrodiae Elata Ramulus Uncariae Cum Uncis cytochrome P-450 enzyme system cocktail probe drug