Results 1 to 10 of about 12,345 (287)

Propulsion Mechanisms in Magnetic Microrobotics: From Single Microrobots to Swarms

Micromachines
Microrobots with different structures can exhibit multiple propulsion mechanisms under external magnetic fields. Swarms dynamically assembled by microrobots inherit the advantages of single microrobots, such as degradability and small dimensions, while ...
Lanlan Jia, Guangfei Su, Mengyu Zhang, Qi Wen, Lihong Wang, Junyang Li   +5 more
doaj   +4 more sources

Magnetic Microrobots with Folate Targeting for Drug Delivery

Cyborg and Bionic Systems, 2023
Untethered microrobots can be used for cargo delivery (e.g., drug molecules, stem cells, and genes) targeting designated areas. However, it is not enough to just reach the lesion site, as some drugs can only play the best therapeutic effect within the ...
Min Ye, Yan Zhou, Hongyu Zhao, Xiaopu Wang   +3 more
doaj   +2 more sources

Oral administration microrobots for drug delivery

Bioactive Materials
Oral administration is the most simple, noninvasive, convenient treatment. With the increasing demands on the targeted drug delivery, the traditional oral treatment now is facing some challenges: 1) biologics how to implement the oral treatment and ...
An Ren, Jiarui Hu, Changwei Qin, Neng Xia, Mengfei Yu, Xiaobin Xu, Huayong Yang, Min Han, Li Zhang, Liang Ma   +9 more
doaj   +2 more sources

Inhalable biohybrid microrobots: a non-invasive approach for lung treatment

Nature Communications
Amidst the rising prevalence of respiratory diseases, the importance of effective lung treatment modalities is more critical than ever. However, current drug delivery systems face significant limitations that impede their efficacy and therapeutic outcome.
Zhengxing Li, Zhongyuan Guo, Fangyu Zhang, Lei Sun, Hao Luan, Zheng Fang, Jeramy L. Dedrick, Yichen Zhang, Christine Tang, Audrey Zhu, Yiyan Yu, Shichao Ding, Dan Wang, An-Yi Chang, Lu Yin, Lynn M. Russell, Weiwei Gao, Ronnie H. Fang, Liangfang Zhang, Joseph Wang   +19 more
doaj   +2 more sources

Femtosecond laser-assisted printing of hard magnetic microrobots for swimming upstream in subcentimeter-per-second blood flow. [PDF]

Sci Adv
Magnetic microrobots have garnered increasing attention in the biomedical field due to their wireless motion control and noninvasive therapeutic potential. However, current microrobots fabricated from soft magnetic materials exhibit critical limitations,
Wu D, Wang X, Li R, Wang C, Ren Z, Pan D, Ren P, Hu Y, Xin C, Zhang L.   +9 more
europepmc   +2 more sources

Janus hydrogel microrobots with bioactive ions for the regeneration of tendon-bone interface

Nature Communications
Regenerating natural gradients of the tendon‒bone interface (TBI) is a major challenge in the reconstruction of rotator cuff tear (RCT). In this study, magnetic Janus hydrogel microrobots to match the TBI orientation during RCT reconstruction surgery are
Zichuan Ding, Yongrui Cai, Haocheng Sun, Xiao Rong, Sipei Ye, Jiaxuan Fan, Yahao Lai, Zhimin Liang, Chao Huang, Peilin Li, Xiaoxue Fu, Liu Wang, Guosheng Tang, Zongke Zhou, Zeyu Luo   +14 more
doaj   +2 more sources

Ultrasound trapping and navigation of microrobots in the mouse brain vasculature

Nature Communications, 2023
The intricate and delicate anatomy of the brain poses significant challenges for the treatment of cerebrovascular and neurodegenerative diseases. Thus, precise local drug delivery in hard-to-reach brain regions remains an urgent medical need. Microrobots
Alexia Del Campo Fonseca, Chaim Glück, Jeanne Droux, Yann Ferry, Carole Frei, Susanne Wegener, Bruno Weber, Mohamad El Amki, Daniel Ahmed   +8 more
doaj   +2 more sources

Nanoparticle-modified microrobots for in vivo antibiotic delivery to treat acute bacterial pneumonia

Nature Materials, 2022
Fangyu Zhang, Jia Zhuang, Zhengxing Li
exaly   +2 more sources

Model-based reinforcement learning for ultrasound-driven autonomous microrobots. [PDF]

Nat Mach Intell
AI has catalyzed transformative advancements across multiple sectors, from medical diagnostics to autonomous vehicles, enhancing precision and efficiency.
Medany M, Piglia L, Achenbach L, Mukkavilli SK, Ahmed D.   +4 more
europepmc   +2 more sources

Hydrogel microrobots for biomedical applications

Frontiers in Chemistry
Recent years have witnessed a surge in the application of microrobots within the medical sector, with hydrogel microrobots standing out due to their distinctive advantages.
Wenping Song, Wenping Song, Leike Li, Xuejia Liu, Xuejia Liu, Yanhe Zhu, Shimin Yu, Haocheng Wang, Lin Wang   +8 more
doaj   +2 more sources