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Bi_(2)O_(3)/g-C_(3)N_(4)hollow core–shell Z-scheme heterojunction for photocatalytic uranium extraction

Nano Research 2024年第7期17卷 5845-5855页

作者： Hao Fu Yuehua pan Zhenyu Cai Yuxiang Deng Minchen Hou Yuezhou wei Toyohisa Fujita Shunyan Ning Youbin Wang Shaolong Zhang Xinpeng Wang School of Chemistry&Chemical Engineering Guangxi UniversityNanning 530004China School of Resources Environment and MaterialsGuangxi UniversityState Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite StructuresNanning 530004China College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen 518060China School of Materials Sun Yat-sen UniversityShenzhen 518107China School of Nuclear Science and Technology University of South ChinaHengyang 421001China

Photocatalytic uranium extraction from radioactive nuclear wastewater and seawater is critical for promoting the sustainable advancement of nuclear industry,but the complexity of real-world environments,particularly the occurrence of anoxic and oxygen-enriched states,presents significant challenges to effective uranium ***,a layered hollow core–shell structure of Bi_(2)O_(3)/g-C_(3)N_(4)Z-scheme heterojunction photocatalyst has been designed and successfully applied for photocatalytic uranium extraction in both aerobic and oxygen-free conditions,and the extraction efficiency of uranium can reach 98.4%and 99.0%,***,the photocatalyst still has ultra-high extraction efficiency under the influence of pH,inorganic ions,and other *** exceptional capability for uranium extraction is on the one hand due to the distinctive hollow core–shell architecture,which furnishes an abundant quantity of active *** the other hand,benefiting from the suitable band gap structure brought by the construction of Z-scheme heterojunction,Bi_(2)O_(3)/g-C_(3)N_(4)exhibits current densities(1.00μA/cm^(2))that are 5.26 and 3.85 times greater than Bi_(2)O_(3)and g-C_(3)N_(4),respectively,and the directional migration mode of Z-scheme carriers significantly prolongs the lifetime of photogenerated charges(1.53 ns),which separately surpass the pure samples by factors of 5.10 and ***,the reaction mechanism and reaction process of photocatalytic uranium extraction are investigated in the presence and absence of oxygen,respectively.

关键词： Bi_(2)O_(3)/g-C_(3)N_(4) Z-scheme photocatalytic uranium extraction

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Research advances in smart responsive-hydrogel dressings with potential clinical diabetic wound healing properties

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Military Medical Research 2024年第4期11卷 543-566页

作者： Ying Chen Xing Wang Sheng Tao Qi Wang pan-Qin Ma Zi-Biao Li Yun-Long Wu Da-wei Li Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology School of Pharmaceutical SciencesXiamen UniversityXiamen 361102FujianChina Beijing National Laboratory for Molecular Sciences Institute of ChemistryChinese Academy of SciencesBeijing 100090China University of Chinese Academy of Sciences Beijing 100049China Senior Department of Orthopedics the Fourth Medical Center of Chinese PLA General HospitalBeijing 100091China Institute of Materials Research and Engineering A*STAR(Agency for ScienceTechnology and Research)Singapore 138634Singapore

The treatment of chronic and non-healing wounds in diabetic patients remains a major medical *** reports have shown that hydrogel wound dressings might be an effective strategy for treating diabetic wounds due to their excellent hydrophilicity,good drug-loading ability and sustained drug release *** a typical example,hyaluronic acid dressing(Healoderm)has been demonstrated in clinical trials to improve wound-healing efficiency and healing rates for diabetic foot ***,the drug release and degradation behavior of clinically-used hydrogel wound dressings cannot be adjusted according to the wound *** to the intricacy of diabetic wounds,antibiotics and other medications are frequently combined with hydrogel dressings in clinical practice,although these medications are easily hindered by the hostile *** this case,scientists have created responsive-hydrogel dressings based on the microenvironment features of diabetic wounds(such as high glucose and low pH)or combined with external stimuli(such as light or magnetic field)to achieve controllable drug release,gel degradation,and microenvironment improvements in order to overcome these clinical *** responsive-hydrogel dressings are anticipated to play a significant role in diabetic therapeutic wound ***,we review recent advances on responsive-hydrogel dressings towards diabetic wound healing,with focus on hydrogel structure design,the principle of responsiveness,and the behavior of *** but not least,the advantages and limitations of these responsive-hydrogels in clinical applications will also be *** hope that this review will contribute to furthering progress on hydrogels as an improved dressing for diabetic wound healing and practical clinical application.

关键词： Responsive-hydrogel Diabetic wound Anti-inflammation Tissue remodeling

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Prevalence of Vitamin A Deficiency in Children Aged 6 to 17 Years—Western and Central Rural Areas,China,2012–2021

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China CDC weekly 2024年第3期6卷 51-55页

作者： Peipei Xu Juan Xu wei Cao Titi Yang Qian Gan Hongliang Wang Ruihe Luo Hui pan Qian Zhang National Institute for Nutrition and Health Chinese Center for Disease Control and PreventionBeijingChina

What is already known about this topic?Vitamin A deficiency(VAD)is a leading global nutritional concern,ranking among the top four major nutritional deficiencies *** prevalence of VAD is unevenly distributed across various regions,both within China and *** is added by this report?The report adds valuable insights into the vitamin A nutritional status of rural students aged 6–17 years who participated in the Nutrition Improvement Programme for Rural Compulsory Education Students(NIPRCES).Over the decade from 2012 to 2021,there was a modest improvement in vitamin A *** prevalence of VAD and sub-clinical VAD(SVAD)declined as the students *** the majority of the survey years,the incidence of VAD was higher among males and western regions compared to females and central regions,*** are the implications for public health practice?A comprehensive approach,incorporating dietary diversification,nutrition education,and food fortification,should be implemented to prevent VAD and SVAD especially in males,younger children and children in western areas.

关键词： vitamin Rural younger

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Wearable and interactive multicolored photochromic fiber display

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Light(Science & Applications) 2024年第3期13卷 454-465页

作者： pan Li Yuwei Wang Xiaoxian He Yuyang Cui Jingyu Ouyang Ju Ouyang Zicheng He Jiayu Hu Xiaojuan Liu Hang wei Yu Wang Xiaoling Lu Qian Ji Xinyuan Cai Li Liu Chong Hou Ning Zhou Shaowu pan Xiangru Wang Huamin Zhou Cheng-wei Qiu Yan-Qing Lu Guangming Tao State Key Laboratory of Material Processing and Die&Mould Technology School of Materials Science and Engineering and Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan 430074China Key Laboratory of Vascular Aging(HUST) Ministry of EducationWuhan 430030China School of Optoelectronic Science and Engineering University of Electronic Science and Technology of ChinaChengdu 611731China Department of Electrical and Computer Engineering National University of SingaporeSingapore 117583Singapore National Laboratory of Solid State Microstructures Key Laboratory of Intelligent Optical Sensing and ManipulationCollege of Engineering and Applied Sciencesand Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210023China School of Performing Arts Wuhan Conservatory of MusicWuhan 430060China School of Mechanical Science and Engineering Huazhong University of Science and TechnologyWuhan 430074China School of Architecture and Urban Planning Huazhong University of Science and TechnologyWuhan 430074China School of Fashion Beijing Institute of Fashion TechnologyBeijing 100029China School of Optical and Electronic Information Huazhong University of Science and TechnologyWuhan 430074China Tongji Medical College Huazhong University of Science and TechnologyWuhan 430074China State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and EngineeringDonghua UniversityShanghai 201620China

Endowing flexible and adaptable fiber devices with light-emitting capabilities has the potential to revolutionize the current design philosophy of intelligent,wearable interactive ***,significant challenges remain in developing fiber devices when it comes to achieving uniform and customizable light effects while utilizing lightweight ***,we introduce a mass-produced,wearable,and interactive photochromic fiber that provides uniform multicolored light *** designed independent waveguides inside the fiber to maintain total internal reflection of light as it traverses the *** impact of excessive light leakage on the overall illuminance can be reduced by utilizing the saturable absorption effect of fluorescent materials to ensure light emission uniformity along the transmission *** addition,we coupled various fluorescent composite materials inside the fiber to achieve artificially controllable spectral radiation of multiple color systems in a single *** prepared fibers on mass-produced kilometer-long using the thermal drawing *** fibers can be directly integrated into daily wearable devices or clothing in various patterns and combined with other signal input components to control and display patterns as *** work provides a new perspective and inspiration to the existing field of fiber display interaction,paving the way for future human–machine integration.

关键词： fiber interactive colored

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Timosaponin AⅢ induces drug-metabolizing enzymes by activating constitutive androstane receptor (CAR) via dephosphorylation of the EGFR signaling pathway

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Journal of Biomedical Research 2024年第4期38卷 382-396页

作者： Muhammad Zubair Hafiz Jie pan Zhiwei Gao Ying Huo Haobin Wang wei Liu Jian Yang Department of Pharmacology Nanjing Medical UniversityNanjingJiangsu 211166China

The current study aimed to assess the effect of timosaponin AⅢ(T-AⅢ)on drug-metabolizing enzymes during anticancer *** in vivo experiments were conducted on nude and ICR *** a 24-day administration of T-AⅢ,the nude mice exhibited an induction of CYP2B10,MDR1,and CYP3A11 expression in the liver *** the ICR mice,the expression levels of CYP2B10 and MDR1 increased after a three-day T-AⅢ *** in vitro assessments with HepG2 cells revealed that T-AⅢ induced the expression of CYP2B6,MDR1,and CYP3A4,along with constitutive androstane receptor(CAR)*** with CAR siRNA reversed the T-AⅢ-induced increases in CYP2B6 and CYP3A4 ***,other CAR target genes also showed a significant increase in the *** up-regulation of murine CAR was observed in the liver tissues of both nude and ICR *** findings demonstrated that T-AⅢ activated CAR by inhibiting ERK1/2 phosphorylation,with this effect being partially reversed by the ERK activator *** of the ERK1/2 signaling pathway was also observed in ***,T-AⅢ inhibited the phosphorylation of EGFR at Tyr1173 and Tyr845,and suppressed EGF-induced phosphorylation of EGFR,ERK,and *** the nude mice,T-AⅢ also inhibited EGFR *** results collectively indicate that T-AⅢ is a novel CAR activator through inhibition of the EGFR pathway.

关键词： timosaponin AⅢ CAR metabolism enzyme ERK1/2 signaling pathway EGFR signaling pathway

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Feasibility of Scaling up the Cost-Competitive and Clean Electrolytic Hydrogen Supply in China

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Engineering 2024年第8期39卷 154-165页

作者： Guangsheng pan wei Gu Zhongfan Gu Jin Lin Suyang Zhou Zhi Wu Shuai Lu School of Electrical Engineering Southeast UniversityNanjing 210096China Department of Electrical Engineering Tsinghua UniversityBeijing 100084China

Scaling up clean hydrogen supply in the near future is critical to achieving China’s hydrogen development *** study established an electrolytic hydrogen development mechanism considering the generation mix and operation optimization of power systems with access to *** on the incremental cost principle,we quantified the provincial and national clean hydrogen production cost performance levels in *** results indicated that this mechanism could effectively reduce the production cost of clean hydrogen in most provinces,with a national average value of less than 2 USDkg1 at the 40-megaton hydrogen supply *** cooperation via power transmission lines could further reduce the production cost to 1.72 USD·kg^(-1).However,performance is affected by the potential distribution of hydrogen *** the supply side,competitiveness of the mechanism is limited to clean hydrogen production,while from the demand side,it could help electrolytic hydrogen fulfil a more significant *** study could provide a solution for the ambitious development of renewables and the hydrogen economy in China.

关键词： Low-carbon energy system Electrolytic hydrogen Renewables Cost optimization and analysis

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Impact of continuous care on cardiac function in patients with lung cancer complicated by coronary heart disease

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World Journal of Clinical Cases 2024年第2期12卷 314-321页

作者： Ting Gao Jin-Lan Luo pan Guo Xi-Wen Hu Xiao-Yan wei Yan Hu Division of Cardiovascular First Ward Department of Internal MedicineLiyuan HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430077Hubei ProvinceChina Department of Cardiovascular Medicine Wuhan Wuchang HospitalWuhan 430063Hubei ProvinceChina Cardiovascular Clinical Medical Center Liyuan HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430077Hubei ProvinceChina Department of Second Thoracic Surgery Hubei Cancer HospitalWuhan 430079Hubei ProvinceChina

BACKGROUND Despite sharing similar pathogenic factors,cancer and coronary heart disease(CHD)occur in comparable populations at similar ages and possess similar susceptibility ***,it is increasingly commonplace for patients to experience the simultaneous occurrence of cancer and CHD,a trend that is steadily *** To determine the impacts of continuing care on lung cancer patients with CHD following percutaneous coronary intervention(PCI).METHODS There were 94 lung cancer patients with CHD following PCI who were randomly assigned to the intervention group(n=38)and the control group(n=41).In the intervention group,continuing care was provided,while in the control group,routine care was *** evaluation of cardiac and pulmonary function,medication compliance,a 6-min walk test,and patient quality of life was *** Differences between the two groups were significant in left ventricular ejection fraction,6-min walk test,oxygen uptake,quality of life and medication compliance(P<0.05).In comparison with the control group,the enhancement in the intervention group was more *** intervention group had more patients with high medication compliance than the control group,with a statistically significant difference(P<0.05).CONCLUSION After undergoing PCI,lung patients with CHD could benefit from continued care in terms of cardiac and pulmonary function,medications compliance,and quality of life.

关键词： Lung cancer Continuing care Coronary heart disease Percutaneous coronary intervention

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The Uptake and Distribution Evidence of Nano-and Microplastics in vivo after a Single High Dose of Oral Exposure

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Biomedical and Environmental Sciences 2024年第1期37卷 31-41页

作者： HONG Tao SUN wei DENG Yuan LYU Jian Da JIN Cui Hong BAI Ying Long NA Jun ZHANG Rui GAO Yuan pan Guo wei YANG Zuo Sen YAN Ling Jun Research Center for Universal Health School of Public HealthChina Medical UniversityShenyang 110122LiaoningChina Department of Pain Management Shengjing Hospital of China Medical UniversityShenyang 110004LiaoningChina Department of Toxicology School of Public HealthChina Medical UniversityShenyang 110122LiaoningChina Department of Maternal and Child Health School of Public HealthChina Medical UniversityShenyang 110122LiaoningChina Institute of Preventive Medicine China Medical UniversityShenyang 110122LiaoningChina Institute of Chronic Diseases Liaoning Provincial Center for Disease Control and PreventionShenyang 110000LiaoningChina

Objective Tissue uptake and distribution of nano-/microplastics was studied at a single high dose by gavage in *** Fluorescent microspheres(100 nm,3μm,and 10μm)were given once at a dose of 200 mg/(kg∙body weight).The fluorescence intensity(FI)in observed organs was measured using the IVIS Spectrum at 0.5,1,2,and 4 h after *** was performed to corroborate these *** In the 100 nm group,the FI of the stomach and small intestine were highest at 0.5 h,and the FI of the large intestine,excrement,lung,kidney,liver,and skeletal muscles were highest at 4 h compared with the control group(P<0.05).In the 3μm group,the FI only increased in the lung at 2 h(P<0.05).In the 10μm group,the FI increased in the large intestine and excrement at 2 h,and in the kidney at 4 h(P<0.05).The presence of nano-/microplastics in tissues was further verified by *** peak time of nanoplastic absorption in blood was *** Nanoplastics translocated rapidly to observed organs/tissues through blood circulation;however,only small amounts of MPs could penetrate the organs.

关键词： Microplastics Nanoplastics IVIS Spectrum small-animal imaging system Tissue distribution Blood

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量子信息科技的发展现状与展望

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物理学报 2024年第1期73卷 1-8页

作者：潘建伟中国科学技术大学合肥微尺度物质科学国家研究中心合肥230026 中国科学技术大学中国科学院量子信息与量子科技创新研究院合肥230026

20世纪初,以原子能、半导体、激光、核磁共振、超导和全球卫星定位系统等重大技术发明为标志性成果的第一次量子革命,促进了物质文明的巨大进步,从根本上改变了人类的生活方式和社会面貌.自20世纪90年代以来,量子调控技术的巨大进步,使... 详细信息

20世纪初,以原子能、半导体、激光、核磁共振、超导和全球卫星定位系统等重大技术发明为标志性成果的第一次量子革命,促进了物质文明的巨大进步,从根本上改变了人类的生活方式和社会面貌.自20世纪90年代以来,量子调控技术的巨大进步,使得以量子信息科学为代表的量子科技突飞猛进,标志着第二次量子革命的兴起.量子信息科技包括量子通信、量子计算、量子精密测量等方面,为保障信息传输安全、提高运算速度、提升测量精度等提供了革命性解决方案,可为国家安全和国民经济高质量发展提供关键支撑.经过近30年的发展,我国在量子信息科技领域整体上已经实现了从跟踪、并跑到部分领跑的飞跃,在量子通信的研究和应用方面处于国际领先地位;在量子计算方面牢固占据国际第一方阵;在量子精密测量的多个方向进入国际领先或先进水平.当前,需要根据国家战略需求和国际竞争态势,做好未来5—10年我国在量子信息领域的发展重点研判,率先建立下一代安全、高效、自主、可控的信息技术体系.

关键词：量子通信量子计算量子精密测量

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Docking protein 6 (DOK6) selectively docks the neurotrophic signaling transduction to restrain peripheral neuropathy

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Signal Transduction and Targeted Therapy 2024年第3期9卷 1147-1164页

作者： Yan Guo pan Xiang Xiaojiao Sun wei Liu Jiafeng Zhou Bin Yin Lin Hou Boqin Qiang Huiliang Li Pengcheng Shu Xiaozhong Peng Department of Molecular Biology and Biochemistry Institute of Basic Medical SciencesMedical Primate Research CenterNeuroscience CenterChinese Academy of Medical SciencesSchool of Basic Medicine Peking Union Medical CollegeBeijingChina State Key Laboratory of Common Mechanism Research for Major Diseases Beijing 100005China Wolfson Institute for Biomedical Research University College LondonGower StreetLondon WC1E 6BTUK Chinese Institute for Brain Research Beijing 102206China State Key Laboratory of Respiratory Health and Multimorbidity Beijing 100005China Institute of Laboratory Animal Science Chinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100021China

The appropriate and specific response of nerve cells to various external cues is essential for the establishment and maintenance of neural circuits,and this process requires the proper recruitment of adaptor molecules to selectively activate downstream ***,we identified that DOK6,a member of the Dok(downstream of tyrosine kinases)family,is required for the maintenance of peripheral axons,and that loss of Dok6 can cause typical peripheral neuropathy symptoms in mice,manifested as impaired sensory,abnormal posture,paw deformities,blocked nerve conduction,and ***,Dok6 is highly expressed in peripheral neurons but not in Schwann cells,and genetic deletion of Dok6 in peripheral neurons led to typical peripheral myelin outfolding,axon destruction,and hindered retrograde axonal ***,DOK6 acts as an adaptor protein for selectivitymediated neurotrophic signal transduction and retrograde transport for TrkC and Ret but not for TrkA and ***6 interacts with certain proteins in the trafficking machinery and controls their phosphorylation,including MAP1B,Tau and Dynein for axonal transport,and specifically activates the downstream ERK1/2 kinase pathway to maintain axonal survival and *** finding provides new clues to potential insights into the pathogenesis and treatment of hereditary peripheral neuropathies and other degenerative diseases.

关键词： impaired restrain peripheral

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