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A Robust N-Terminal Pro-Brain Natriuretic Peptide Assay for Clinical Diagnosis of Heart Failure in Elderly Patients

Journal of Analysis and Testing 2024年第1期8卷 74-82页

作者： xue Gong Jiangling Wu jiajia Zhang Zhongwei Jiang Yi Wang Pu Zhang Engineering Research Center for Biotechnology of Active Substances(Ministry of Education) Chongqing Key Laboratory of Green Synthesis and ApplicationsCollege of ChemistryChongqing Normal UniversityChongqing 401331China Chongqing Research Center for Pharmaceutical Engineering College of PharmacyChongqing Medical UniversityChongqing 400016China Department of Clinical Laboratory University Town Hospital of Chongqing Medical UniversityChongqing 401331China

Heart failure(HF)is a clinical hallmark of cardiovascular syndrome leading to substantial morbidity,repeated hospitalization,and enormous healthcare expenditure.As elderly populations continue to increase,biomarker-guided diagnosis and treatment for age-related cardiac decline have become essential.Accumulating evidence demonstrates that N-terminal proBNP(NT-proBNP)can provide a unique window into the diagnosis and risk stratification with HF.Herein,a simple yet robust aptasensor is developed for on-site recognizing the NT-proBNP by its targeting aptamer,thus achieving the accurate diagnosis of HF.This aptasensing system is prepared by absorbing the fluorophore-labeled aptamer strand onto the graphene oxide(GO),leading to efficient quenching without possible off-site signal leakage.The aptamer strand can specifically identify target NT-proBNP molecules via a versatile conformational transformation,resulting in the desorption of the aptamer-NTproBNP complexes from GO and re-generation fluorescence signal,thus allowing sensitive detection of NT-proBNP in 37 clinical blood samples.Taking advantage of the high specificity of aptamer-guaranteed recognitions of NT-proBNP,this aptasensor system readily achieves better diagnostic performance for HF than commercially adopted chemiluminescence immunoassay(Siemens,CLIA)in hospitals in terms of accuracy(89.2%vs 83.8%),specificity(89.5%vs 84.2%),and positive predictive value(88.9%vs 83.3%).This work provides a stable option for the diagnosis and treatment of elderly HF-related diseases inclinics.

关键词： NT-proBNP Graphene oxide Aptamer Heart failure Clinical diagnosis

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Metal organic frameworks-based cathode materials for advanced Li-S batteries: A comprehensive review

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Nano Research 2024年第4期17卷 2592-2618页

作者： Zhengkun Xie Boyong Cao Xiyan Yue Ruixue Wang Ziqian xue jiajia Wang Guoqing Guan Weihua Chen College of Chemistry Zhengzhou UniversityZhengzhou 450001China School of Ecology and Environment Zhengzhou UniversityZhengzhou 450001China School of Materials Science and Engineering Henan Polytechnic UniversityJiaozuo 454003China Laboratory of Energy Conversion Engineering Institute of Regional InnovationHirosaki University3 Bunkyo-choHirosakiAomori 036-8561Japan Institute for Integrated Cell-Material Sciences(iCeMS) Kyoto UniversitySakyo-kuKyoto 606-8501Japan Key Laboratory of Advanced Energy Materials Chemistry(Ministry of Education) Nankai UniversityTianjin 300071China

Li-S batteries(LSBs)have been considering as new and promising energy storage systems because of the high theoretical energy density and low price.Nevertheless,their practical application is inhibited by several factors,including poor electrical conductivity of electrode materials,greatly volumetric variation,as well as the polysulfide formation upon the cycling.To address these problems,it is imperative to develop and design effective and suitable sulfur host anode materials.Metal organic frameworks(MOFs)-based cathode materials,possessing their good conductivity and easy morphology design,have been extensively studied and exhibited enormously potential in LSBs.In this review,a comprehensive overview of MOFs-based sulfur host materials is provided,including their electrochemical reaction mechanisms,related evaluation parameters,and their performances used in LSBs in the past few years.In particular,the recent advances using in-situ characterization technologies for investigating the electrochemical reaction mechanism in LSBs are presented and highlighted.Additionally,the challenges and prospects associated with future research on MOF-related sulfur host materials are discussed.It is anticipated to offer the guidance for the identification of suitable MOFs-based sulfur cathode materials for high-performance LSBs,thereby contributing for the achievement of a sustainable and renewable society.

关键词： lithium metal anode sulfur cathode metal organic frameworks host energy density in-situ characterization

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Resting-state brain network remodeling after different nerve reconstruction surgeries:a functional magnetic resonance imaging study in brachial plexus injury rats

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Neural Regeneration Research 2025年第5期20卷 1495-1504页

作者： Yunting Xiang Xiangxin Xing Xuyun Hua Yuwen Zhang Xin xue jiajia Wu Mouxiong Zheng He Wang Jianguang Xu School of Rehabilitation Science Shanghai University of Traditional Chinese MedicineShanghaiChina Engineering Research Center of Traditional Chinese Medicine Intelligent Rehabilitation Ministry of EducationShanghaiChina Department of Rehabilitation Medicine Yueyang Hospital of Integrated Traditional Chinese and Western MedicineShanghai University of Traditional Chinese MedicineShanghaiChina Department of Traumatology and Orthopedics Yueyang Hospital of Integrated Traditional Chinese and Western MedicineShanghai University of Traditional Chinese MedicineShanghaiChina Institute of Science and Technology for Brain-Inspired Intelligence Fudan UniversityShanghaiChina Key Laboratory of Computational Neuroscience and Brain-Inspired Intelligence(Fudan University) Ministry of EducationShanghaiChina Human Phenome Institute Fudan UniversityShanghaiChina

Distinct brain remodeling has been found after different nerve reconstruction strategies,including motor representation of the affected limb.However,differences among reconstruction strategies at the brain network level have not been elucidated.This study aimed to explore intranetwork changes related to altered peripheral neural pathways after different nerve reconstruction surgeries,including nerve repair,endto-end nerve transfer,and end-to-side nerve transfer.Sprague–Dawley rats underwent complete left brachial plexus transection and were divided into four equal groups of eight:no nerve repair,grafted nerve repair,phrenic nerve end-to-end transfer,and end-to-side transfer with a graft sutured to the anterior upper trunk.Resting-state brain functional magnetic resonance imaging was obtained 7 months after surgery.The independent component analysis algorithm was utilized to identify group-level network components of interest and extract resting-state functional connectivity values of each voxel within the component.Alterations in intra-network resting-state functional connectivity were compared among the groups.Target muscle reinnervation was assessed by behavioral observation(elbow flexion)and electromyography.The results showed that alterations in the sensorimotor and interoception networks were mostly related to changes in the peripheral neural pathway.Nerve repair was related to enhanced connectivity within the sensorimotor network,while end-to-side nerve transfer might be more beneficial for restoring control over the affected limb by the original motor representation.The thalamic-cortical pathway was enhanced within the interoception network after nerve repair and end-to-end nerve transfer.Brain areas related to cognition and emotion were enhanced after end-to-side nerve transfer.Our study revealed important brain networks related to different nerve reconstructions.These networks may be potential targets for enhancing motor recovery.

关键词： brain functional networks end-to-end nerve transfer end-to-side nerve transfer independent component analysis nerve repair peripheral plexus injury resting-state functional connectivity

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Engineering of electrospun nanofiber scaffolds for repairing brain injury

再生工程(英文)

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再生工程(英文) 2023年第3期4卷 289-303页

作者： Wenzhe Du Tong Wang Shuyun Hu Jixin Luan Feng Tian Guolin Ma jiajia xue State Key Laboratory of Organic-Inorganic Composites Beijing University of Chemical TechnologyBeijing 100029PR China Beijing Laboratory of Biomedical Materials Beijing University of Chemical TechnologyBeijing 100029PR China Department of Radiology China-Japan Friendship HospitalNo.2 East Yinghua RoadChaoyang DistrictBeijing 100029PR China

Patients with brain injury can suffer disability and accompanying complications.Current clinical treatments have significant limitations to successful repair due to the complexity of the pathological processes and the inhibitory microenvironment that follows brain injury.Here,we conclude recent research progresses in engineering strate-gies based on electrospun nanofibers for promoting neural repair and functional recovery after brain injury.Firstly,we introduce the main pathological mechanisms of current brain injuries,pointing out the prospect of the application of electrospun nanofiber scaffolds compared to current clinical treatment strategies.We then discuss the repair strategies combining the structure and the morphology of nanofiber scaffolds with load therapeutic factors such as cells,drugs and growth factors.All of these strategies show potential for improving the repair of brain injury.Finally,we point out the challenges facing the effective treatment of brain injury,aiming to provide insights into the development of repairing scaffolds for brain function recovery from the perspective of clinical treatment.

关键词： Electrospun nanofibers Brain injury Engineering strategies Neural repair Functional recovery

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Electrospun Fibers Control Drug Delivery for Tissue Regeneration and Cancer Therapy

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Advanced Fiber Materials 2022年第6期4卷 1375-1413页

作者： Longfei Li Ruinan Hao Junjie Qin Jian Song Xiaofeng Chen Feng Rao Jiliang Zhai Yu Zhao Liqun Zhang jiajia xue State Key Laboratory of Organic‑Inorganic Composites Beijing University of Chemical TechnologyBeijing 100029People’s Republic of China Laboratory of Biomedical Materials Beijing University of Chemical TechnologyBeijing 100029People’s Republic of China Trauma Center Peking University People’s HospitalBeijing 100730People’s Republic of China Department of Orthopaedics Peking Union Medical College HospitalChinese Academy of Medical SciencesBeijing 100730People’s Republic of China

Versatile strategies have been developed to construct electrospun fiber-based drug delivery systems for tissue regeneration and cancer therapy.We first introduce the construction of electrospun fiber scaffolds and their various structures,as well as various commonly used types of drugs.Then,we discuss some representative strategies for controlling drug delivery by electrospun fibers,with specific emphasis on the design of endogenous and external stimuli-responsive drug delivery systems.Afterwards,we summarize the recent progress on controlling drug delivery with electrospun fiber scaffolds for tissue engineering,including soft tissue engineering(such as skin,nerve,and cardiac repair)and hard tissue engineering(such as bone,cartilage,and musculoskeletal systems),as well as for cancer therapy.Furthermore,we provide future development directions and challenges facing the use of electrospun fibers for controlled drug delivery,aiming to provide insights and perspectives for the development of smart drug delivery platforms and improve clinical therapeutic effects in tissue regeneration and cancer therapy.

关键词： Electrospinning Electrospun fibers Drug delivery Stimuli-responsive Tissue engineering Cancer therapy

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Advances in Medical Applications of Additive Manufacturing

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Engineering 2020年第11期6卷 1222-1231页

作者： Chunxu Li Dario Pisignano Yu Zhao jiajia xue Department of Orthopaedics Peking Union Medical College HospitalChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing J 00730China National Enterprise for Nanoscience and Nanotechnology Nanoscience InstituteNational Research CouncilPisa 1-56127Italy Department of Physics University of PisaPisa 1-56127Italy Beijing Laboratory of Biomedical Materials Beijing University of Chemical TechnologyBeijing 100029China

In the past few decades,additive manufacturing(AM)has been developed and applied as a cost-effective and versatile technique for the fabrication of geometrically complex objects in the medical industry.In this review,we discuss current advances of AM in medical applications for the generation of pharmaceuticals,medical implants,and medical devices.Oral and transdermal drugs can be fabricated by a variety of AM technologies.Different types of hard and soft clinical implants have also been realized by AM,with the goal of producing tissue-engineered constructs.In addition,medical devices used for diagnostics and treatment of various pathological conditions have been developed.The growing body of research on AM reveals its great potential in medical applications.The goal of this review is to highlight the usefulness and elucidate the current limitations of AM applications in the medical field.

关键词： Additive manufacturing Medical applications Pharmaceutics Medical implants Medical devices

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生物活性陶瓷iRoot BP Plus^(■)在儿童年轻恒前牙复杂冠折牙髓切断术中的应用

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北京大学学报（医学版） 2024年第1期56卷 179-184页

作者：郑佳佳杨雪温泉付元邵校丁美丽北京大学口腔医学院·口腔医院门诊部国家口腔医学中心国家口腔疾病临床医学研究中心口腔生物材料和数字诊疗装备国家工程研究中心北京100034 北京大学口腔医学院·口腔医院急诊科北京100081

目的:观察生物活性陶瓷材料iRoot BP Plus^(■)(Innovative BioCeramix Inc,Vancouver,BC,Canada)在儿童年轻恒前牙复杂冠折牙髓切断术中的应用,并对其预后进行分析,为该术式的更广泛应用提供临床参考。方法:收集2017年3月至2022年9月... 详细信息

目的:观察生物活性陶瓷材料iRoot BP Plus^(■)(Innovative BioCeramix Inc,Vancouver,BC,Canada)在儿童年轻恒前牙复杂冠折牙髓切断术中的应用,并对其预后进行分析,为该术式的更广泛应用提供临床参考。方法:收集2017年3月至2022年9月因恒前牙复杂冠折就诊于北京大学口腔医院急诊科,行以生物活性陶瓷iRoot BP Plus^(■)为盖髓剂的牙髓切断术患者。根据患者术前根尖片和初诊病历显示为年轻恒牙者,纳入97颗年轻恒牙进行研究。收集患者初诊及复查时的临床及影像学检查资料,临床检查包括根尖孔形成情况、松动度、牙冠颜色、牙髓活力测试(冷测)、有无脓肿和瘘管,影像学检查包括根周膜连续性、根尖周低密度影像、复诊时盖髓剂下方牙本质桥形成情况、髓腔及根管钙化情况,并对上述结果进行分析。结果:最终纳入有复诊记录的64例患者共75颗患牙,其中男性37例(57.8%),女性27例(42.2%),就诊时平均年龄为9.1岁,平均随访时长19.3个月。采用iRoot BP Plus^(■)盖髓的牙髓切断术后6个月成功率为96.0%,术后1年成功率为94.7%。术后复查2年以上者共23例,累计失败6例。成功率在患牙就诊时距外伤的时间是否超过24 h组中(P=0.61)以及是否松动组中(P=0.28)的差异无统计学意义。结论:对无移位性损伤的年轻恒牙复杂冠折患牙,采用iRoot BP Plus^(■)盖髓的牙髓切断术1年成功率很高,该术式具备广泛推广价值。

关键词：牙髓切断术复杂冠折年轻恒牙生物活性陶瓷

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巨刺联合推拿康复治疗基底节区脑出血的疗效观察

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辽宁中医杂志 2024年第5期51卷 155-158页

作者：刘颖刘学王菊菊李加加徐州市肿瘤医院中医科江苏徐州221005

目的观察巨刺联合推拿康复治疗基底节区脑出血的临床效果。方法研究纳入徐州市肿瘤医院和徐州新健康医院90例基底节区脑出血患者(2021年6月—2022年9月收治)以随机数字表法分为两组,每组45例患者,对照组患者采取推拿康复治疗,巨刺组患... 详细信息

目的观察巨刺联合推拿康复治疗基底节区脑出血的临床效果。方法研究纳入徐州市肿瘤医院和徐州新健康医院90例基底节区脑出血患者(2021年6月—2022年9月收治)以随机数字表法分为两组,每组45例患者,对照组患者采取推拿康复治疗,巨刺组患者采取推拿康复治疗结合巨刺法治疗,各组数据对比:临床治疗效果、治疗前后中医证候(偏瘫、神识昏蒙、口舌歪斜、言语謇涩或不语、头痛眩晕等)积分变化、美国国立研究院卒中量表(national institute of stroke scale,NIHSS)以及格拉斯哥昏迷量表(Glasgow Coma scale,GCS)评分变化、简氏Fugl-Meyer量表评分及Beg量表评分变化、Barthel指数变化以及健康调查简表(SF-36)评分变化。结果巨刺组患者治疗总有效率高于对照组患者,差异有统计学意义(P0.05,治疗后各组患者中医证候(偏瘫、神识昏蒙、口舌歪斜、言语謇涩或不语、头痛眩晕等)积分、NIHSS与GCS量表评分、简氏Fugl-Meyer量表评分及Beg量表评分、Barthel指数及SF-36评分等指标均改善,巨刺组治疗后中医证候(偏瘫、神识昏蒙、口舌歪斜、言语謇涩或不语、头痛眩晕等)积分、NIHSS与GCS量表评分、简氏Fugl-Meyer量表评分及Beg量表评分、Barthel指数及SF-36评分改善均优于对照组患者,差异有统计学意义(P<0.05)。结论巨刺联合推拿康复治疗基底节区脑出血的临床效果较好,患者疗效提升,恢复较好,且生活质量提升,值得应用。

关键词：基底节区脑出血巨刺推拿康复中医证候 Barthel指数 NIHSS评分

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社交网络对市场营销的影响及策略选择

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市场周刊 2024年第13期37卷 74-77页

作者：薛飞王佳佳江苏省灌云中等专业学校江苏灌云222200

社交网络已经成为现代社会中人们交流和获取信息的主要渠道之一,对市场营销产生了深远的影响。各类品牌已经不再是单纯的产品和服务的提供者,必须转变为用户体验的塑造者和个性化需求的满足者,通过多元化的渠道和方式进行推广和营销,才... 详细信息

社交网络已经成为现代社会中人们交流和获取信息的主要渠道之一,对市场营销产生了深远的影响。各类品牌已经不再是单纯的产品和服务的提供者,必须转变为用户体验的塑造者和个性化需求的满足者,通过多元化的渠道和方式进行推广和营销,才能进一步提升品牌的知名度和影响力。在当代市场营销领域,如何有效地借助社交平台进行营销成了一个重点和富有挑战的问题。文章将探讨社交网络对市场营销的影响及策略选择,包括社交网络时代市场营销的概念和特点、社交网络对市场营销的影响等方面。

关键词：社交网络市场营销营销方式品牌形象销售渠道

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价格促销在市场营销中的作用与效果评估

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市场周刊 2024年第16期37卷 90-93页

作者：王佳佳薛飞江苏省灌云中等专业学校江苏灌云222200

价格促销在市场营销中的作用是显著的,它是企业短期刺激市场需求、提高销售额、清理库存、吸引新顾客以及对抗竞争对手的重要手段。通过调整产品定价策略,如折扣、优惠券、买一赠一等形式,企业可以影响消费者的购买决策,增加产品的吸引... 详细信息

价格促销在市场营销中的作用是显著的,它是企业短期刺激市场需求、提高销售额、清理库存、吸引新顾客以及对抗竞争对手的重要手段。通过调整产品定价策略,如折扣、优惠券、买一赠一等形式,企业可以影响消费者的购买决策,增加产品的吸引力和购买紧迫感。然而,价格促销并不总是产生积极效果,不当使用可能导致品牌价值稀释、消费者对常态价格产生抵触情绪,形成“促销依赖症”。因此,在实施价格促销时,营销管理者需要综合评估其长期与短期效益,权衡对品牌形象、利润空间、市场占有率以及客户忠诚度等多方面的影响。

关键词：价格促销市场营销销售业绩市场份额风险控制

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