scholarly journals Recent progress of biomimetic motions—from microscopic micro/nanomotors to macroscopic actuators and soft robotics

RSC Advances ◽  
2021 ◽  
Vol 11 (44) ◽  
pp. 27406-27419
Author(s):  
Hongbo Zeng ◽  
Yu Wang ◽  
Tao Jiang ◽  
Hongqin Xia ◽  
Xue Gu ◽  
...  

Biomimetic motions are derived from the many different functional materials and/or intricate and highly organized structure of the biological material from the molecular to the nanoscale, microscale and macroscale.

2020 ◽  
Vol 4 (3) ◽  
pp. 692-714 ◽  
Author(s):  
Shuguang Wang ◽  
Zhongwu Wang ◽  
Jie Li ◽  
Liqiang Li ◽  
Wenping Hu

This review comprehensively summarizes the recent progress in surface-grafting polymers, including their formation process and the utilization of surface-grafting polymers as functional materials of insulators, conductors and semiconductors in versatile organic electronic devices.


Actuators ◽  
2019 ◽  
Vol 8 (4) ◽  
pp. 74 ◽  
Author(s):  
Miriyev

The present editorial paper analyzes the hundred recent research works on soft actuation to understand the current main research focus in the light of the grand challenges in the field. Two characteristic paper types were obtained: one focuses on soft actuator design, manufacturing and demonstration, while another includes in addition the development of functional materials. Although vast majority of the works showcased soft actuation, evaluation of its robustness by multi-cyclic actuation was reported in less than 50% of the works, while only 10% described successful actuation for more than 1000 cycles. It is suggested that broadening the research focus to include investigation of mechanisms underlying the degradation of soft functional material performance in real cyclic actuation conditions, along with application of artificial intelligence methods for prediction of muscle behavior, may allow overcoming the reliability issues and developing robust soft-material actuators. The outcomes of the present work might be applicable to the entire soft robotics domain.


Nanomaterials ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. 1039 ◽  
Author(s):  
Weiqiang Pang ◽  
Xuezhong Fan ◽  
Ke Wang ◽  
Yimin Chao ◽  
Huixiang Xu ◽  
...  

As one of the new types of functional materials, nano-sized composite energetic materials (nano-CEMs) possess many advantages and broad application prospects in the research field of explosives and propellants. The recent progress in the preparation and performance characterization of Al-based nano-CEMs has been reviewed. The preparation methods and properties of Al-based nano-CEMs are emphatically analyzed. Special emphasis is focused on the improved performances of Al-based nano-CEMs, which are different from those of conventional micro-sized composite energetic materials (micro-CEMs), such as thermal decomposition and hazardous properties. The existing problems and challenges for the future work on Al-based nano-CEMs are discussed.


2012 ◽  
Vol 8 (S289) ◽  
pp. 351-360 ◽  
Author(s):  
Richard de Grijs

AbstractKnowing the distance of an astrophysical object is key to understanding it. However, at present, comparisons of theory and observations are hampered by precision (or lack thereof) in distance measurements or estimates. Putting the many recent results and new developments into the broader context of the physics driving cosmic distance determination is the next logical step, which will benefit from the combined efforts of theorists, observers and modellers working on a large variety of spatial scales, and spanning a wide range of expertise. IAU Symposium 289 addressed the physics underlying methods of distance determination across the Universe, exploring the various approaches employed to define the milestones along the road. The meeting provided an exciting snapshot of the field of distance measurement, offering not only up-to-date results and a cutting-edge account of recent progress, but also full discussion of the pitfalls encountered and the uncertainties that remain. One of the meeting's main aims was to provide a roadmap for future efforts in this field, both theoretically and observationally.


2012 ◽  
Vol 22 (3) ◽  
pp. 799-815 ◽  
Author(s):  
Yabin Zhang ◽  
Yu Chen ◽  
Lei Shi ◽  
Jing Li ◽  
Zhiguang Guo

2020 ◽  
Vol 61 (12) ◽  
pp. 2435-2441
Author(s):  
Tomoyuki Yamamoto ◽  
Masato Yoshiya ◽  
Hoang Nam Nhat

2020 ◽  
Vol 2020 ◽  
pp. 1-15
Author(s):  
Jingjing Shen ◽  
Jianwei Liang ◽  
Xinfeng Lin ◽  
Hongjian Lin ◽  
Jing Yu ◽  
...  

With the development of human society, the requirements for building materials are becoming higher. The development of polymer materials and their application in the field of architecture have greatly enhanced and broadened the functions of building materials. With the development of material science and technology, many functional materials have been developed. Polymer materials have many excellent properties compared with inorganic materials, and they can also be improved to enhance functional properties by blending or adding various additives (such as flame retardants, antistatic agents, and antioxidants). In this paper, polymer-based building materials are introduced with three classes according to the applications, that is, substrates, coatings, and binders, and their recent signs of progress in the preparations and applications are carefully demonstrated.


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