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MXene Hybridized Polymer with Enhanced Electromagnetic Energy Harvest for Sensitized Microwave Actuation and Self-Powered Motion Sensing

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NANO-MICRO LETTERS 2025年第1期17卷 1-15页

作者： Wang, yu-Ze Wang, yu-Chang Liu, Ting-Ting Zhao, Quan-Liang Li, Chen-Sha Cao, mao-Sheng Beijing Inst Technol Sch Mat Sci & Engn Beijing 100081 Peoples R China Peking Univ Sch Mat Sci & Engn Beijing 100871 Peoples R China North China Univ Technol Sch Mech & Mat Engn Beijing 100144 Peoples R China Heilongjiang Univ Minist Educ Peoples Republ China Key Lab Funct Inorgan Mat Chem Harbin 150080 Peoples R China

Polymeric microwave actuators combining tissue-like softness with programmable microwave-responsive deformation hold great promise for mobile intelligent devices and bionic soft robots. However, their application is challenged by restricted electromagnetic sensitivity and intricate sensing coupling. In this study, a sensitized polymeric microwave actuator is fabricated by hybridizing a liquid crystal polymer with Ti3C2Tx (MXene). Compared to the initial counterpart, the hybrid polymer exhibits unique space-charge polarization and interfacial polarization, resulting in significant improvements of 230% in the dielectric loss factor and 830% in the apparent efficiency of electromagnetic energy harvest. The sensitized microwave actuation demonstrates as the shortened response time of nearly 10 s, which is merely 13% of that for the initial shape memory polymer. Moreover, the ultra-low content of MXene (up to 0.15 wt%) benefits for maintaining the actuation potential of the hybrid polymer. An innovative self-powered sensing prototype that combines driving and piezoelectric polymers is developed, which generates real-time electric potential feedback (open-circuit potential of similar to 3 mV) during actuation. The polarization-dominant energy conversion mechanism observed in the MXene-polymer hybrid structure furnishes a new approach for developing efficient electromagnetic dissipative structures and shows potential for advancing polymeric electromagnetic intelligent devices.

关键词： Microwave absorption Electromagnetic response Energy harvest Self-sensing Soft actuator

昆明市就医患者梅毒/HIV感染率变化趋势分析

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现代预防医学 2017年第18期44卷 3450-3452页

作者：杨吟白劲松蔡于茂陈媛玲昆明市第三人民医院深圳市慢性病防治中心曲靖医学高等专科学校

目的探讨昆明市传染病医院就诊患者梅毒/HIV感染率的变化趋势,为卫生行政部门制定梅毒与艾滋病的防控策略提供参考依据。方法提取2011-2016年医院实验室LIS系统住院和门诊患者筛查梅毒和HIV的数据及国家疾病预防控制系统中上报的梅毒和... 详细信息

目的探讨昆明市传染病医院就诊患者梅毒/HIV感染率的变化趋势,为卫生行政部门制定梅毒与艾滋病的防控策略提供参考依据。方法提取2011-2016年医院实验室LIS系统住院和门诊患者筛查梅毒和HIV的数据及国家疾病预防控制系统中上报的梅毒和HIV数据,采用Joinpoint Regression program软件计算年度变化百分比并进行趋势检验。结果梅毒共筛查74 182例,报告2 738例,2011-2016年梅毒感染率以每年13.98%的平均速率显著上升(Z=4.38,P=0.01);HIV共筛查79 896例,报告2 044例,2011-2014年HIV感染率以每年15.41%的平均速率下降(Z=-2.55,P=0.24),2014-2016年以每年22.78%的平均速率上升(Z=1.56,P=0.36),差异无统计学意义。结论就医患者梅毒感染率呈持续性上升态势,HIV的感染率虽然波动平稳,但需关注梅毒感染增加HIV感染的风险,加大梅毒规范化治疗的力度。

关键词：就医患者梅毒 HIV 趋势检验

Inhibition of the NLRP3 inflammasome attenuates spiral ganglion neuron degeneration in aminoglycoside-induced hearing loss

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Neural Regeneration Research 2025年第10期20卷 3025-3039页

作者： Jia Fang Zhuangzhuang Li Pengjun Wang Xiaoxu Zhang Song mao Yini Li Dongzhen yu Xiaoyan Li Yazhi Xing Haibo Shi Shankai Yin Department of Otolaryngology Head and Neck Surgery Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of MedicineOtolaryngology Institute of Shanghai Jiao Tong UniversityShanghai Key Laboratory of Sleep Disordered BreathingShanghaiChina Department of Otorhinolaryngology-Head and Neck Surgery Shanghai Children’s HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghaiChina

Aminoglycosides are a widely used class of antibacterials renowned for their effectiveness and broad antimicrobial ***,their use leads to irreversible hearing damage by causing apoptosis of hair cells as their direct *** addition,the hearing damage caused by aminoglycosides involves damage of spiral ganglion neurons upon *** investigate the mechanisms underlying spiral ganglion neuron degeneration induced by aminoglycosides,we used a C57BL/6J mouse model treated with *** found that the mice exhibited auditory deficits following the acute loss of outer hair *** ganglion neurons displayed hallmarks of pyroptosis and exhibited progressive degeneration over *** profiling of these neurons showed significant upregulation of genes associated with inflammation and immune response,particularly those related to the NLRP3 *** of the canonical pyroptotic pathway in spiral ganglion neurons was observed,accompanied by infiltration of macrophages and the release of proinflammatory *** intervention targeting NLRP3 using Mcc950 and genetic intervention using NLRP3 knockout ameliorated spiral ganglion neuron degeneration in the injury *** findings suggest that NLRP3 inflammasome-mediated pyroptosis plays a role in aminoglycoside-induced spiral ganglion neuron *** of this pathway may offer a potential therapeutic strategy for treating sensorineural hearing loss by reducing spiral ganglion neuron degeneration.

关键词： degeneration hearing loss macrophages Mcc950 neuroinflammation NLRP3 inflammasome ototoxicity pyroptosis sensorineural hearing loss spiral ganglion neuron

Effects of ultrasonic-assisted extraction on bioactive compounds,volatile flavors and antioxidant activities of vine tea water extracts

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Traditional Medicine Research 2025年第1期10卷 73-81页

作者： Xiao-Long Zhou Wei-Jin Jiang Ji yu mao-Jun Yao yun-Tong Li Hunan Provincial Key Laboratory of Research Resource Mining and High-valued Utilization on Edible&Medicinal PlantCollege of Chemistry and Chemical EngineeringJishou UniversityJishou 416000China Hunan Gaoge Dairy Co. Ltd.Changsha 410000China

Background:Ampelopsis grossedentata,vine tea,which is the tea alternative beverages in *** vine tea processing,a large amount of broken tea is produced,which has low commercial ***:This study investigates the influence of different extraction methods(room temperature water extraction,boiling water extraction,ultrasonic-assisted room temperature water extraction,and ultrasonic-assisted boiling water extraction,referred to as room temperature water extraction(RE),boiling water extraction(BE),ultrasonic assistance at room temperature water extraction(URE),and ultrasonic assistance in boiling water extraction(UBE))on the yield,dihydromyricetin(DMY)content,free amino acid composition,volatile aroma components,and antioxidant properties of vine tea ***:A notable influence of extraction temperature on the yield of vine tea extracts(P<0.05),with BE yielding the highest at 43.13±0.26%,higher than that of RE(34.29±0.81%).Ultrasound-assisted extraction significantly increased the DMY content of the extracts(P<0.05),whereas DMY content in the RE extracts was 59.94±1.70%,that of URE reached 66.14±2.78%.Analysis revealed 17 amino acids,with L-serine and aspartic acid being the most abundant in the extracts,nevertheless ultrasound-assisted extraction reduced total free amino acid *** chromatography-mass spectrometry analysis demonstrated an increase in the diversity and quantity of compounds in the vine tea water extracts obtained through ultrasonic-assisted ***,69 and 68 volatile compounds were found in URE and UBE extracts,which were higher than the number found in RE and BE *** vitro,antioxidant activity assessments revealed varying antioxidant capacities among different extraction methods,with RE exhibiting the highest DPPH scavenging rate,URE leading in ABTS•+free radical scavenging,and BE demonstrating superior ferric ion reducing antioxidant ***:The findings suggest that extraction methods signi

关键词： vine tea dihydromyricetin ultrasonic-assisted extraction volatile aroma components

流行病学治疗在梅毒孕妇配偶人群中的初步应用

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皮肤性病诊疗学杂志 2012年第3期19卷 182-185页

作者：潘鹏蔡于茂洪福昌深圳市慢性病防治中心广东深圳518020

目的:探讨在梅毒孕妇的配偶人群中应用流行病学治疗的合理性、接受性及初步效果。方法:依托《深圳市预防与控制梅毒母婴传播项目》,在梅毒孕妇人群中开展配偶通知,以配偶人群为研究对象,予流行病学治疗措施,收集配偶人群的临床和实验室... 详细信息

目的:探讨在梅毒孕妇的配偶人群中应用流行病学治疗的合理性、接受性及初步效果。方法:依托《深圳市预防与控制梅毒母婴传播项目》,在梅毒孕妇人群中开展配偶通知,以配偶人群为研究对象,予流行病学治疗措施,收集配偶人群的临床和实验室等资料。结果:本研究纳入688名梅毒孕妇,通过患者通知方式通知到并就诊的配偶共556人,其中,接受流行病学治疗者共196人(35.25%),拒绝治疗者共360人(64.75%)。接受治疗者中,血清TRUST试验呈阴性者177人,呈阳性者11人,拒绝检测者8人;拒绝治疗者中血清TRUST试验呈阴性者199人,呈阳性者159人,拒绝检测者2人。结论:虽然流行病学治疗的可接受性尚不理想,但是,在梅毒孕妇的配偶人群应用流行病学治疗有较好的适用性和非常高的必要性;建议通过加强临床咨询服务,在梅毒孕妇的配偶人群中推广应用流行病学治疗措施。

关键词：梅毒流行病学治疗

深圳市MSM异性性行为及其对HIV/梅毒感染的影响

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中国艾滋病性病 2014年第5期20卷 360-363页

作者：张欣蔡于茂宋亚娟深圳市卫生和计划生育委员会广东深圳518000 深圳市慢性病防治中心广东深圳518020

目的了解深圳市男男性行为人群(MSM)的异性性行为特征,分析其对该人群艾滋病病毒(HIV)/梅毒感染的影响。方法在知情同意原则下,收集2009-2012年深圳市MSM的社会人口学、高危行为等信息,并采集血液进行HIV/梅毒检测。结果共3445名MSM接... 详细信息

目的了解深圳市男男性行为人群(MSM)的异性性行为特征,分析其对该人群艾滋病病毒(HIV)/梅毒感染的影响。方法在知情同意原则下,收集2009-2012年深圳市MSM的社会人口学、高危行为等信息,并采集血液进行HIV/梅毒检测。结果共3445名MSM接受自愿咨询检测,969人(28.13%)最近半年内发生过异性性行为,其中28.07%的人(272/969)女性性伴数≥2个,32.71%的人(317/969)与女性性伴性交时每次使用安全套。梅毒感染率为17.54%(170/969),HIV感染率为7.53%(73/969),HIV合并梅毒感染率为4.13%(40/969)。与近半年无异性性行为的MSM相比,发生异性性行为的MSM半年内肛交性伴数和口交性伴数较少,肛交时每次使用安全套的比例较高,梅毒感染率相对较低。结论相当比例的MSM最近半年内有异性性行为,应有针对性地采取干预措施,阻断HIV经异性性传播。

关键词：男男性行为人群艾滋病病毒梅毒异性性行为

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胎传梅毒危险因素的病例对照研究

中华皮肤科杂志 2006年第12期39卷 681-684页

作者：周华潘鹏洪福昌陈钢杨帆林丽君蔡于茂深圳市慢性病防治院皮肤病研究所 518020

目的探讨胎传梅毒的危险因素,为完善深圳市梅毒母婴传播控制项目策略提供参考。方法对51例明确诊断胎传梅毒者和320例明确排除胎传梅毒诊断者进行巢式病例对照研究,采用单因素Logistic和非条件Logistic回归分析。结果单因素分析结果表明... 详细信息

目的探讨胎传梅毒的危险因素,为完善深圳市梅毒母婴传播控制项目策略提供参考。方法对51例明确诊断胎传梅毒者和320例明确排除胎传梅毒诊断者进行巢式病例对照研究,采用单因素Logistic和非条件Logistic回归分析。结果单因素分析结果表明,母亲的年龄、住址、文化程度、治疗开始孕周、确诊时甲苯胺红不加热血清试验滴度及父亲的文化程度、职业和多性伴史与胎传梅毒的发生有统计学意义关联。多因素分析中,非条件Logistic回归分析发现4个变量:母亲年龄、父亲的文化程度、母亲治疗开始时孕周及确诊时母亲甲苯胺红不加热血清试验滴度对胎传梅毒患病率产生影响。结论早期发现和治疗妊娠梅毒是降低胎传梅毒发生的重要措施。

关键词：梅毒先天性危险因素病例对照研究

CaH2-promoted activity of Ni-carbonate interface for CO2 methanation

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Journal of Energy Chemistry 2025年第1期100卷 522-532页

作者： Jin-Peng Wang Guo-Cui mao Hui-Lin Jiang Bao-Xia Dong yun-Lei Teng School of Chemistry and Chemical Engineering Yangzhou University

Transition metal-carbonate interfaces often act as active sites in heterogeneous catalytic *** interface between transition metal and metal carbonate exhibits a dynamic equilibrium during the CO2hydrogenation reaction,involving surface carbonate hydrogenation and ***,there have been few reports on engineering the activity of the interface between transition metal and alkaline earth metal carbonate for catalytic *** work demonstrated that the incorporation of CaH2in Ni/CaCO3enhances the CO2methanation activity of the *** CO2conversion for Ni/CaH2-CaCO3reached 68.5%at 400°C,which was much higher than that of the Ni/CaCO3（31.6%） and Ni/CaH2-CaO （42.4%） ***,the Ni/CaH2-CaCO3catalysts remained stable during the stability test for 24 h at 400°C and 8 *** research revealed that CaH2played a crucial role in promoting the activity of the Ni-carbonate interface for ***2could modify the electronic structure of Ni and tune the structural properties of CaCO3to generate medium basic sites （OH groups）,which are favorable for the activation of H2and ***-situ Fourier transform infrared spectroscopy （FTIR） analysis combined with density functional theory calculations demonstrated that CO2activation occurs at the hydroxyl group （OH） on the CaH2-modified Ni-carbonate surface,leading to the formation of CO3H****,our study has confirmed that CO2methanation over the Ni/CaH2-CaCO3catalysts proceeds via the formate pathway.

关键词： Metal hydride Ni catalysts Carbonate Metal-carbonate interface

Mitophagy in acute central nervous system injuries:regulatory mechanisms and therapeutic potentials

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Neural Regeneration Research 2025年第9期20卷 2437-2453页

作者： Siyi Xu Junqiu Jia Rui mao Xiang Cao yun Xu Department of Neurology Nanjing Drum Tower HospitalClinical College of Jiangsu UniversityNanjingJiangsu ProvinceChina Department of Neurology Nanjing Drum Tower HospitalChinese Academy of Medical Science&Peking Union Medical CollegeNanjingJiangsu ProvinceChina Department of Neurology Nanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing UniversityNanjingJiangsu ProvinceChina State Key Laboratory of Pharmaceutical Biotechnology and Institute of Translational Medicine for Brain Critical Diseases Nanjing UniversityNanjingJiangsu ProvinceChina Jiangsu Key Laboratory for Molecular Medicine Medical School of Nanjing UniversityNanjingJiangsu ProvinceChina Nanjing Neurology Medical Center NanjingJiangsu ProvinceChina

Acute central nervous system injuries,including ischemic stro ke,intracerebral hemorrhage,subarachnoid hemorrhage,traumatic brain injury,and spinal co rd injury,are a major global health *** optimal therapies and improving the long-term neurological functions of patients with acute central nervous system injuries are urgent *** are susceptible to damage after acute central nervous system injury,and this leads to the release of toxic levels of reactive oxygen species,which induce cell ***,a selective form of autophagy,is crucial in eliminating redundant or damaged mitochondria during these *** evidence has highlighted the significant role of mitophagy in acute central nervous system *** this review,we provide a comprehensive overview of the process,classification,and related mechanisms of *** also highlight the recent developments in research into the role of mitophagy in various acute central nervous system injuries and drug therapies that regulate *** the final section of this review,we emphasize the potential for treating these disorders by focusing on mitophagy and suggest future research paths in this area.

关键词： autophagy intracerebral hemorrhage ischemic stroke mitochondria mitochondrial biogenesis mitochondrial quality control mitophagy spinal cord injury subarachnoid hemorrhage traumatic brain injury