Cardiovascular disease(CVD)is a major global health challenge,which causes significant illness and death worldwide.These include a range of conditions that affect the heart and blood vessels,including coro-nary artery...Cardiovascular disease(CVD)is a major global health challenge,which causes significant illness and death worldwide.These include a range of conditions that affect the heart and blood vessels,including coro-nary artery disease,stroke,peripheral artery disease,and heart failure.Despite advances in medicine and healthcare delivery,CVD continues to have a serious impact on individuals,families,and the healthcare system.This review begins by delineating the merits and demerits of commonly employed synthetic and natural materials for artificial blood vessels.It delves into various techniques commonly employed in the fabrication of artificial blood vessels,encompassing advanced textile technologies,electrospinning,ther-mally induced phase separation,and 3D printing.The review critically analyzes the attributes of different preparation methodologies alongside the latest advancements in research.The review also outlines the requisite performance requirements for artificial blood vessels,which encompass robust mechanical prop-erties,appropriate porosity,exceptional compatibility,and antibacterial attributes.It provides a succinct overview of ongoing effort s in vascular functionalization,particularly emphasizing thrombus mitigation,promotion of endothelialization,and enhancement of nitric oxide production.The review finally encap-sulates the primary challenges confronting vascular grafts and prospective avenues for future research.展开更多
Electromagnetic interference shielding and thermal management by wearable devices show great po-tential in emerging digital healthcare.Conventional metal films implementing the functions must sacri-fice either flexibi...Electromagnetic interference shielding and thermal management by wearable devices show great po-tential in emerging digital healthcare.Conventional metal films implementing the functions must sacri-fice either flexibility or permeability,which is far from optimal in practical applications.In this work,an ultra-thin(15μm),flexible,and porous Cu/PLLA fibrous membrane is developed by depositing cop-per particles on the polymer substrate.With novel acetone&heat treatment procedure,the mem-brane is considerably stronger while maintaining the porous fibre structure.Its fantastic breathabil-ity and super high electrical conductivity(9471.8130 S/cm)enable the composites to have fast electri-cal heating characteristics and excellent thermal conductivity for effective thermal management.Mean-while,the porous polymer substrate structure greatly enhances the diffusion of conductive substances and increases the electromagnetic interference shielding effectiveness of the membranes(7797.98 dB cm^(2)/g at the H band and 8072.73 dB cm^(2)/g at the Ku band respectively).The composites present high flexibility,breathability,and strength with the functions of thermal management and electromag-netic shielding,showing great potential for future portable electronic devices and wearable integrated garments.展开更多
Graphene fiber materials have emerged as key enablers in the advancement of wearable electronics due to their outstanding electrical conductivity,mechanical strength and flexibility.This review explores the fabricatio...Graphene fiber materials have emerged as key enablers in the advancement of wearable electronics due to their outstanding electrical conductivity,mechanical strength and flexibility.This review explores the fabrication techniques of graphene fibers,including wet spinning,electrospinning and dry spinning,which have been refined to produce high-performance fibers tailored for various wearable applications.Graphene fibers demonstrate exceptional functionality in wearable sensing technologies,such as strain,pressure and humidity sensors,while also showing promises in flexible energy storage devices like supercapacitors and batteries.Moreover,fabrication techniques like weaving,spinning and additional encapsulations have enabled the integration of graphene fibers into smart textiles,enhancing flexibility and durability.These methods ensure seamless electronic integration into fabrics for applications in flexible displays and wearable systems.By summarizing all the advances of graphene fibers in wearable electronics,this review provides a roadmap for future research directions.Future developments will focus on enhancing structural performance,hybridization with other materials and scalable fabrication techniques to support commercialization.These advancements position graphene fibers as a critical material for nextgeneration wearable electronics,offering seamless integration of functionality,comfort and durability.展开更多
Wearable tensile strain sensors have attracted substantial research interest due to their great potential in applications for the real-time detection of human motion and health through the construction of body-sensing...Wearable tensile strain sensors have attracted substantial research interest due to their great potential in applications for the real-time detection of human motion and health through the construction of body-sensing networks.Conventional devices,however,are constantly demonstrated in non-real world scenarios,where changes in body temperature and humidity are ignored,which results in questionable sensing accuracy and reliability in practical applications.In this work,a fabric-like strain sensor is developed by fabricating graphene-modified Calotropis gigantea yarn and elastic yarn(i.e.Spandex)into an independently crossed structure,enabling the sensor with tunable sensitivity by directly altering the sensor width.The sensor possesses excellent breathability,allowing water vapor generated by body skin to be discharged into the environment(the water evaporation rate is approximately 2.03 kg m^(-2) h^(-1))and creating a pleasing microenvironment between the sensor and the skin by avoiding the hindering of perspiration release.More importantly,the sensor is shown to have a sensing stability towards changes in temperature and humidity,implementing sensing reliability against complex and changeable wearable microclimate.By wearing the sensor at various locations of the human body,a full-range body area sensing network for monitoring various body movements and vital signs,such as speaking,coughing,breathing and walking,is successfully dem-onstrated.It provides a new route for achieving wearing-comfortable,high-performance and sensing-reliable strain sensors.展开更多
Smart implantable biomedical textiles with sensing functions are of increasing interest because they address the shortcoming that conventional medical devices have repair functions but lack of sensing ability.However,...Smart implantable biomedical textiles with sensing functions are of increasing interest because they address the shortcoming that conventional medical devices have repair functions but lack of sensing ability.However,the evaluation of such devices before practical applications is hampered by high cost and/or animal ethics.Soft bioreactors on humanoid robots open up a new pathway for assessing their performances by closely mimicking both the body biomechanics and the physiological environment.展开更多
Wearable strain sensors have attracted research interest owing to their poten-tial within digital healthcare,offering smarter tracking,efficient diagnostics,and lower costs.Unlike rigid sensors,fiber-based ones compet...Wearable strain sensors have attracted research interest owing to their poten-tial within digital healthcare,offering smarter tracking,efficient diagnostics,and lower costs.Unlike rigid sensors,fiber-based ones compete with their flexibility,durability,adaptability to body structures as well as eco-friendliness to envi-ronment.Here,the sustainable fiber-based wearable strain sensors for digital health are reviewed,and material,fabrication,and practical healthcare aspects are explored.Typical strain sensors predicated on various sensing modalities,be it resistive,capacitive,piezoelectric,or triboelectric,are explained and analyzed according to their strengths and weaknesses toward fabrication and applica-tions.The applications in digital healthcare spanning from body area sensing networks,intelligent health management,and medical rehabilitation to mul-tifunctional healthcare systems are also evaluated.Moreover,to create a more complete digital health network,wired and wireless methods of data collec-tion and examples of machine learning are elaborated in detail.Finally,the prevailing challenges and prospective insights into the advancement of novel fibers,enhancement of sensing precision and wearability,and the establishment of seamlessly integrated systems are critically summarized and offered.This endeavor not only encapsulates the present landscape but also lays the founda-tion for future breakthroughs in fiber-based wearable strain sensor technology within the domain of digital health.展开更多
基金the National Natural Science Foundation of China(No.82374295)the National Key R&D Program of China(No.2021YFE0111100)+1 种基金the Science and Technol-ogy Partnership Program by the Ministry of Science and Technol-ogy of China(No.KY202201002)the Jiangsu Provincial De-partment of Science and Technology(No.BZ2022017).
文摘Cardiovascular disease(CVD)is a major global health challenge,which causes significant illness and death worldwide.These include a range of conditions that affect the heart and blood vessels,including coro-nary artery disease,stroke,peripheral artery disease,and heart failure.Despite advances in medicine and healthcare delivery,CVD continues to have a serious impact on individuals,families,and the healthcare system.This review begins by delineating the merits and demerits of commonly employed synthetic and natural materials for artificial blood vessels.It delves into various techniques commonly employed in the fabrication of artificial blood vessels,encompassing advanced textile technologies,electrospinning,ther-mally induced phase separation,and 3D printing.The review critically analyzes the attributes of different preparation methodologies alongside the latest advancements in research.The review also outlines the requisite performance requirements for artificial blood vessels,which encompass robust mechanical prop-erties,appropriate porosity,exceptional compatibility,and antibacterial attributes.It provides a succinct overview of ongoing effort s in vascular functionalization,particularly emphasizing thrombus mitigation,promotion of endothelialization,and enhancement of nitric oxide production.The review finally encap-sulates the primary challenges confronting vascular grafts and prospective avenues for future research.
基金We acknowledge the support of the Electron Microscopy Centre at The University of Manchester.
文摘Electromagnetic interference shielding and thermal management by wearable devices show great po-tential in emerging digital healthcare.Conventional metal films implementing the functions must sacri-fice either flexibility or permeability,which is far from optimal in practical applications.In this work,an ultra-thin(15μm),flexible,and porous Cu/PLLA fibrous membrane is developed by depositing cop-per particles on the polymer substrate.With novel acetone&heat treatment procedure,the mem-brane is considerably stronger while maintaining the porous fibre structure.Its fantastic breathabil-ity and super high electrical conductivity(9471.8130 S/cm)enable the composites to have fast electri-cal heating characteristics and excellent thermal conductivity for effective thermal management.Mean-while,the porous polymer substrate structure greatly enhances the diffusion of conductive substances and increases the electromagnetic interference shielding effectiveness of the membranes(7797.98 dB cm^(2)/g at the H band and 8072.73 dB cm^(2)/g at the Ku band respectively).The composites present high flexibility,breathability,and strength with the functions of thermal management and electromag-netic shielding,showing great potential for future portable electronic devices and wearable integrated garments.
文摘Graphene fiber materials have emerged as key enablers in the advancement of wearable electronics due to their outstanding electrical conductivity,mechanical strength and flexibility.This review explores the fabrication techniques of graphene fibers,including wet spinning,electrospinning and dry spinning,which have been refined to produce high-performance fibers tailored for various wearable applications.Graphene fibers demonstrate exceptional functionality in wearable sensing technologies,such as strain,pressure and humidity sensors,while also showing promises in flexible energy storage devices like supercapacitors and batteries.Moreover,fabrication techniques like weaving,spinning and additional encapsulations have enabled the integration of graphene fibers into smart textiles,enhancing flexibility and durability.These methods ensure seamless electronic integration into fabrics for applications in flexible displays and wearable systems.By summarizing all the advances of graphene fibers in wearable electronics,this review provides a roadmap for future research directions.Future developments will focus on enhancing structural performance,hybridization with other materials and scalable fabrication techniques to support commercialization.These advancements position graphene fibers as a critical material for nextgeneration wearable electronics,offering seamless integration of functionality,comfort and durability.
基金National Key R&D Program of China(2021YFE0111100)Ministry of Science and Technology of the People’s Republic of China(KY202201002)+3 种基金Jiangsu Provincial Department of Science and Technology(BZ2022017)Shanghai Science and Technology Committee(21015800600)We would like to thank the China National Textile and Apparel Council(J202002)Jiangsu Advanced Textile Engineering Technology Center(XJFZ/2021/7),projects with number 2021-fx010104 for their support.
文摘Wearable tensile strain sensors have attracted substantial research interest due to their great potential in applications for the real-time detection of human motion and health through the construction of body-sensing networks.Conventional devices,however,are constantly demonstrated in non-real world scenarios,where changes in body temperature and humidity are ignored,which results in questionable sensing accuracy and reliability in practical applications.In this work,a fabric-like strain sensor is developed by fabricating graphene-modified Calotropis gigantea yarn and elastic yarn(i.e.Spandex)into an independently crossed structure,enabling the sensor with tunable sensitivity by directly altering the sensor width.The sensor possesses excellent breathability,allowing water vapor generated by body skin to be discharged into the environment(the water evaporation rate is approximately 2.03 kg m^(-2) h^(-1))and creating a pleasing microenvironment between the sensor and the skin by avoiding the hindering of perspiration release.More importantly,the sensor is shown to have a sensing stability towards changes in temperature and humidity,implementing sensing reliability against complex and changeable wearable microclimate.By wearing the sensor at various locations of the human body,a full-range body area sensing network for monitoring various body movements and vital signs,such as speaking,coughing,breathing and walking,is successfully dem-onstrated.It provides a new route for achieving wearing-comfortable,high-performance and sensing-reliable strain sensors.
文摘Smart implantable biomedical textiles with sensing functions are of increasing interest because they address the shortcoming that conventional medical devices have repair functions but lack of sensing ability.However,the evaluation of such devices before practical applications is hampered by high cost and/or animal ethics.Soft bioreactors on humanoid robots open up a new pathway for assessing their performances by closely mimicking both the body biomechanics and the physiological environment.
基金Hong Kong Polytechnic University,Grant/Award Number:1-WZ1YNational Natural Science Foundation of China,Grant/Award Number:82374295。
文摘Wearable strain sensors have attracted research interest owing to their poten-tial within digital healthcare,offering smarter tracking,efficient diagnostics,and lower costs.Unlike rigid sensors,fiber-based ones compete with their flexibility,durability,adaptability to body structures as well as eco-friendliness to envi-ronment.Here,the sustainable fiber-based wearable strain sensors for digital health are reviewed,and material,fabrication,and practical healthcare aspects are explored.Typical strain sensors predicated on various sensing modalities,be it resistive,capacitive,piezoelectric,or triboelectric,are explained and analyzed according to their strengths and weaknesses toward fabrication and applica-tions.The applications in digital healthcare spanning from body area sensing networks,intelligent health management,and medical rehabilitation to mul-tifunctional healthcare systems are also evaluated.Moreover,to create a more complete digital health network,wired and wireless methods of data collec-tion and examples of machine learning are elaborated in detail.Finally,the prevailing challenges and prospective insights into the advancement of novel fibers,enhancement of sensing precision and wearability,and the establishment of seamlessly integrated systems are critically summarized and offered.This endeavor not only encapsulates the present landscape but also lays the founda-tion for future breakthroughs in fiber-based wearable strain sensor technology within the domain of digital health.
