搜索到34765篇“ NANOTECHNOLOGY“的相关文章
Bridging bioengineering and nanotechnology: Bone marrow derived mesenchymal stem cell-exosome solutions for peripheral nerve injury
2025年
Peripheral nerve injury(PNI)is a common disease that is difficult to nerve regeneration with current therapies.Fortunately,Zou et al demonstrated the role and mechanism of bone marrow derived mesenchymal stem cells(BMSCs)in promoting nerve regeneration,revealing broad prospects for BMSCs trans-plantation in alleviating PNI.We confirmed the fact that BMSCs significantly alleviate PNI,but there are shortcomings such as low cell survival rate and immune rejection,which limit the wide application of BMSCs.BMSCs-derived exosomes(Exos)are considered as a promising cell-free nanomedicine for PNI,avoiding the ethical issues of BMSCs.Exos in combination with bioengineering therapeutics(including extracellular matrix,hydrogel)brings new hope for PNI,provides a favorable microenvironment for neurological restoration and a therapeutic strategy with a favorable safety profile,significantly increases ex-pression of neurotrophic factors,promotes axonal and myelin regeneration,and demonstrates a strong potential to enhance neurogenesis.Therefore,engineered Exos exhibit better properties,such as stronger targeting and more beneficial components.This article briefly describes the role of nanotechnology and bioe-ngineering therapies for BMSCs in PNI,proposes clinical application prospects and challenges of nanotechnology and bioengineering BMSCs-derived Exos in PNI to improve the efficacy of BMSCs in the treatment of PNI.
Jun ChangXiu-Mei YinMan ZhangJian-Wei LiuLan Zhao
关键词:NANOTECHNOLOGYEXOSOMEBIOENGINEERING
纳米技术在产前诊断中的应用研究进展
2025年
产前诊断对预防出生缺陷、保障母婴健康意义重大。纳米技术因其独特的纳米尺度效应及优异性能,在产前诊断领域展现出巨大潜力与广阔应用前景。本文详述纳米技术在产前诊断各层面应用的研究近况,涵盖基于纳米材料的生物标志物检测、成像技术、细胞分离富集以及纳米药物递送体系构建等方面,综合剖析其优势与面临挑战,旨在为推动纳米技术于产前诊断中的深度发展及临床转化提供全面参考。
杨琦王昭杨金燕杨丽董毅
关键词:产前诊断
Use of nanotechnology for safe agriculture and food production:Challenges and limitations
2025年
Nanotechnology offers promising perspectives for revolutionizing agriculture by enhancing productivity and sustainability.Although the global agricultural nanotechnology market was valued at US$352.4 billion in 2023 and is estimated to reach US$868.9 billion by 2031,concerns about adverse environmental effects persist.This review summarizes the latest developments and perspectives of nanotechnology applied to agriculture,highlighting both advancements and potential impacts on soil ecosystems.However,concerns regarding regulatory measures,economic viability,and scalability hinder its widespread adoption.Collaboration among stakeholders is crucial to establishing effective frameworks for the safe and responsible application of nanotechnology in agriculture.Despite these concerns,nanotechnology holds great promise for addressing emerging challenges in agriculture and advancing toward more sustainable and efficient practices.
Andrés RODRÍGUEZ-SEIJOVanesa SANTÁS-MIGUELDaniel ARENAS-LAGOManuel ARIAS-ESTÉVEZPaula PÉREZ-RODRÍGUEZ
关键词:NANOSENSOR
Application of nanotechnology to dentistry:Impact of graphene nanocomposites on clinical air quality
2025年
Concerns about air quality in dental clinics where aerosol generation during procedures poses significant health risks,have prompted investigations on advanced disinfection technologies.This editorial describes the strengths and limitations of ventilation and aerosol control measures in dental offices,especially with respect to the use of graphene nanocomposites.The potential of graphene nanocomposites as an innovative solution to aerosol-associated health risks is examined in this review due to the unique properties of graphene(e.g.,high con-ductivity,mechanical strength,and antimicrobial activity).These properties have produced promising results in various fields,but the application of graphene in dentistry remains unexplored.The recent study by Ju et al which was published in World Journal of Clinical Cases evaluated the effectiveness of graphene-based air disinfection systems in dental clinics.The study demonstrated that graphene-based disinfection techniques produced significant reductions in suspended particulate matter and bacterial colony counts,when co-mpared with traditional methods.Despite these positive results,challenges such as material saturation,frequency of filter replacement,and associated costs must be addressed before widespread adoption of graphene-based disinfection techniques in clinical practice.Therefore,there is need for further research on material structure optimization,long-term safety evaluations,and broader clinical applications,in order to maximize their positive impact on public health.
Ruth Rodríguez MontañoMario A Alarcón-SánchezMelissa Martínez NietoJuan J Varela HernándezSarah M LomelíMartínez
关键词:GRAPHENENANOCOMPOSITES
茶多酚提取、代谢及纳米技术对其生物功效的改善研究进展
2025年
在公众健康意识和社会生活水平不断提高的背景下,茶多酚因对人体健康益处而引起人们的广泛关注。因茶多酚的不稳定性以及对环境的敏感性等原因导致的生物利用度差,在实际加工和利用过程中易发生氧化降解,这严重影响了茶多酚的生物活性利用,表现出巨大局限性。故而采取有效方法提高茶多酚的生物利用度至关重要。茶多酚的提取技术是其产品和应用的关键,本文综述了茶多酚的组成、提取技术和代谢吸收,概述了基于不同纳米技术体系对提高茶多酚的生物功效的研究进展,包括纳米乳液、纳米颗粒和纳米脂质体体系。为茶多酚的有效利用和产品开发提供了参考。
李圣淇汪泽奥沙如意陈小强毛建卫
关键词:茶多酚
纳米技术在电镀领域应用的研究进展
2025年
[目的]纳米材料因其界面和尺寸效应而展现出优异的物理和化学性能,已成为材料科学领域的研究热点和重要发展方向。[方法]综述了纳米技术在电镀领域的研究进展,重点探讨了其在电镀前处理、电镀过程及镀后处理中的应用。[结果]纳米技术的引入显著提升了镀层的力学性能、耐蚀性、耐磨性及功能性(如超疏水性、催化活性、磁性能等)。纳米电镀技术在大规模应用中仍面临成本高、工艺复杂及机理研究不足等挑战。[结论]随着纳米技术的不断发展和工艺优化,纳米电镀技术有望在新能源、电子器件、航空航天等领域实现更广泛的应用,推动电镀行业的技术进步和产业升级。
王晓伟张蕾孙文涛
关键词:纳米材料电镀表面纳米化
纳米技术高效开发致密油藏的应用和展望
2025年
随着常规油气资源不断勘探开发以及大规模开采利用,全球油气资源勘探开发的重点方向逐渐向非常规油气资源转变。针对致密油藏储层物性差、孔喉尺寸小、无自然产能和采收率低等特点,纳米材料以其纳米尺寸、低界面张力、良好楔形渗透作用广泛用于致密油藏高效开发,纳米增渗驱油技术逐渐发展为致密油藏高效采油的关键技术。分析认为,推行致密油藏增渗增能、洗油驱油一体化技术,利用纳米增渗驱油技术协同大型水力压裂储层改造,提高压裂规模和造缝的密度和长度,从而实现致密油藏有效增能增注,改善渗吸驱油距离和洗油效果。因此,高效缝网改造与渗吸洗油提高采收率(EOR)一体化技术将是提高致密油藏开采效果及开发综合效益的新途径。
冯阳肖立晓
关键词:致密油藏渗吸
基于纳米技术的热效应在恶性肿瘤放射治疗中的研究进展
2025年
放射治疗是当前恶性肿瘤的主要治疗手段之一。如何在提高放射治疗疗效的同时减少其不良反应仍然面临着巨大的挑战。纳米医学的进步为提高肿瘤放射治疗的疗效提供了可能。纳米材料不仅可作为放射增敏剂增强辐射能量,而且可作为纳米载体辅助治疗以对抗肿瘤的抗辐射性。这可能成为探索纳米颗粒放射增敏剂临床转化的新方向。本文综述了基于纳米材料的放射治疗结合光热治疗肿瘤的方法,尤其是如何利用纳米材料来对抗肿瘤抗辐射反应,描述了这些协同疗法相互的增强作用,探讨了放射性纳米医学的潜在挑战和未来前景。
雷兰吴竞劳征虹吴稚冰
关键词:放射疗法纳米材料光热疗法磁热疗法
基于纳米技术增强的土木工程复合材料性能研究
2025年
随着纳米科技飞速发展,其在土木工程方面的应用也变得越来越广泛。由于纳米材料所具备的独有的物理、化学及生物属性,它为土木工程复合材料带来了一条创新的性能升级路径。在土木工程中,纳米技术的主要应用表现在对水泥基材料进行特殊改良。通过向水泥混凝土中混入纳米颗粒,例如氧化硅粒子、氧化铝粒子和二氧化钛粒子,有助于明显提升其机械性质。这种纳米粒子可以通过化学反应与物理效应来推动水泥硬化,从而缩减硬化过程的时间并提升工作效益。此外,纳米粒子的引入可以显著提高水泥粒子间的黏合力,这样也能有效增强混凝土的强度、耐压迫特性和持久性。除此之外,纳米技术还能为混凝土提供微空间,增强它的紧密性,并进一步提高其使用寿命。
顾明丽
关键词:土木工程材料性能
Orthopedic revolution:The emerging role of nanotechnology
2024年
This review summarizes the latest progress in orthopedic nanotechnology,ex-plores innovative applications of nanofibers in tendon repair,and evaluates the potential of selenium and cerium oxide nanoparticles in osteoarthritis and osteo-blast differentiation.This review also describes the emerging applications of inje-ctable hydrogels in cartilage engineering,emphasizing the critical role of inter-disciplinary research and highlighting the challenges and future prospects of in-tegrating nanotechnology into orthopedic clinical practice.This comprehensive approach provides a holistic perspective on the transformative impact of nanote-chnology in orthopedics,offering valuable insights for future research and clinical applications.
Wen-Jie RuanSi-Si XuDong-Hui XuZhi-Peng Li

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