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Unleashing the Potential of Electroactive Hybrid Biomaterials and Self‑Powered Systems for Bone Therapeutics

Nano-Micro Letters 2025年第2期17卷 463-497页

作者： Shichang Liu farid manshaii Jinmiao Chen Xinfei Wang Shaolei Wang Junyi Yin Ming Yang Xuxu Chen Xinhua Yin Yunlei Zhou Honghui Hospital Xi’an Jiaotong UniversityXi’an 710018People’s Republic of China Department of Bioengineering Henry Samueli School of Engineering and Applied ScienceUniversity of California Los AngelesLos Angeles 90095USA Hangzhou Institute of Technology Xidian UniversityHangzhou 311231People’s Republic of China

The incidence of large bone defects caused by traumatic injury is increasing worldwide,and the tissue regeneration process requires a long recovery time due to limited self-healing *** bioelectrical phenomena have been well recognized as critical biophysical factors in bone remodeling and *** by bioelectricity,electrical stimulation has been widely considered an external intervention to induce the osteogenic lineage of cells and enhance the synthesis of the extracellular matrix,thereby accelerating bone *** ongoing advances in biomaterials and energy-harvesting techniques,electroactive biomaterials and self-powered systems have been considered biomimetic approaches to ensure functional recovery by recapitulating the natural electrophysiological microenvironment of healthy bone *** this review,we first introduce the role of bioelectricity and the endogenous electric field in bone tissue and summarize different techniques to electrically stimulate cells and ***,we highlight the latest progress in exploring electroactive hybrid biomaterials as well as self-powered systems such as triboelectric and piezoelectric-based nanogenerators and photovoltaic cell-based devices and their implementation in bone tissue ***,we emphasize the significance of simulating the target tissue’s electrophysiological microenvironment and propose the opportunities and challenges faced by electroactive hybrid biomaterials and self-powered bioelectronics for bone repair strategies.

关键词： Electroactive biomaterials Self-powered bioelectronics Bone regeneration Bone tissue

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Triboelectric nanogenerators for self-powered neurostimulation

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Nano Research 2024年第10期17卷 8926-8941页

作者： Shumao Xu farid manshaii Xiao Xiao Junyi Yin Jun Chen Department of Bioengineering University of CaliforniaLos AngelesLos AngelesCA 90095USA

The burgeoning field of soft bioelectronics heralds a new dawn in medical treatment for neurological and psychiatric conditions,presenting innovative methods for the stimulation,inhibition,and precise sensing of neuronal *** to these advancements is the challenge of power supply;devices dependent on traditional batteries face limitations regarding miniaturization and require invasive surgeries for battery *** nanogenerators(TENGs),which generate power from biomechanical movements,offer a promising solution for developing self-powered neurostimulation devices without the need for an external power *** review delves into recent progress in TENGs,with a focus on their application in selfpowered neurostimulation *** utility of TENGs across various nervous systems—including the center,autonomic,and somatic nervous systems—is explored and presented,highlighting the potential for these devices to facilitate neurological *** summarizing TENGs’operational details and the potential for clinical translation,this review also identifies challenges associated with the implantation and integration of neural electrodes and presents recent advances in solutions,aiming to reshape electric treatments for neurological diseases.

关键词： triboelectric nanogenerators neurostimulation self-powered soft bioelectronics biomechanical energy harvesting

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Is deep brain imaging on the brink of transformation with a bioluminescence molecule?

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BMEMat(BioMedical Engineering Materials) 2024年第3期2卷 4-8页

作者： Shumao Xu farid manshaii Jun Chen Department of Bioengineering University of CaliforniaLos AngelesLos AngelesUSA

Cephalofurimazine(CFz),when paired with Antares luciferase,shows superior blood-brain barrier permeability and enhanced imaging depth and clarity for deep brain *** bioluminescence provides a less invasive method for real-time monitoring of deep brain activity,with the potential to advance targeted therapies and deepen our understanding of brain *** molecular engineering and localized delivery can reduce the potential toxicity of CFz and enhance its efficacy for clinical deep brain imaging.

关键词： bioluminescence molecule blood-brain barrier brain imaging

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Advances in luminescent fibers for interactive smart textiles

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cMat 2024年第3期1卷 73-90页

作者： Shumao Xu Xiujun Fan Songyue Chen farid manshaii Junyi Yin Jun Chen Department of Bioengineering University of CaliforniaLos AngelesCaliforniaUSA

Recent advancements in luminescent fibers are transforming textiles by inte-grating lighting and display functionalities into fabrics for applications such as health monitoring,dynamic displays,and adaptive *** electro-luminescent fibers,powered by electric fields,enable tunable light emission,while passive photoluminescent fibers rely on photoluminescence or tribolumi-nescence to emit *** challenges remain in achieving uniform lumi-nescence and ensuring durability,breakthroughs in materials science,structural engineering,and system integration are addressing these *** such as chipless electroluminescent textiles and thermally drawn photoluminescent fibers highlight significant progress,pointing toward a future where clothing fa-cilitates health monitoring and dynamic interaction,advancing natural human–machine interfaces.

关键词： luminescent fibers personalized healthcare photoluminescent textile smart textiles

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