Active Micro/Nanoparticles in Colloidal Microswarms

Colloidal microswarms have attracted increasing attention in the last decade due to their unique capabilities in various complex tasks. Thousands or even millions of tiny active agents are gathered with distinctive features and emerging behaviors, demonstrating fascinating equilibrium and non-equili...

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Main Authors: Qianqian Wang, Dongdong Jin
Format: Article
Language:English
Published: MDPI AG 2023-05-01
Series:Nanomaterials
Subjects:
Online Access:https://www.mdpi.com/2079-4991/13/10/1687
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author Qianqian Wang
Dongdong Jin
author_facet Qianqian Wang
Dongdong Jin
author_sort Qianqian Wang
collection DOAJ
description Colloidal microswarms have attracted increasing attention in the last decade due to their unique capabilities in various complex tasks. Thousands or even millions of tiny active agents are gathered with distinctive features and emerging behaviors, demonstrating fascinating equilibrium and non-equilibrium collective states. In recent studies, with the development of materials design, remote control strategies, and the understanding of pair interactions between building blocks, microswarms have shown advantages in manipulation and targeted delivery tasks with high adaptability and on-demand pattern transformation. This review focuses on the recent progress in active micro/nanoparticles (MNPs) in colloidal microswarms under the input of an external field, including the response of MNPs to external fields, MNP–MNP interactions, and MNP–environment interactions. A fundamental understanding of how building blocks behave in a collective system provides the foundation for designing microswarm systems with autonomy and intelligence, aiming for practical application in diverse environments. It is envisioned that colloidal microswarms will significantly impact active delivery and manipulation applications on small scales.
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spelling doaj.art-83c8ce6991ac4fb99026566bd9ceba5b2023-11-18T02:43:17ZengMDPI AGNanomaterials2079-49912023-05-011310168710.3390/nano13101687Active Micro/Nanoparticles in Colloidal MicroswarmsQianqian Wang0Dongdong Jin1Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, School of Mechanical Engineering, Southeast University, Nanjing 211000, ChinaSchool of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518000, ChinaColloidal microswarms have attracted increasing attention in the last decade due to their unique capabilities in various complex tasks. Thousands or even millions of tiny active agents are gathered with distinctive features and emerging behaviors, demonstrating fascinating equilibrium and non-equilibrium collective states. In recent studies, with the development of materials design, remote control strategies, and the understanding of pair interactions between building blocks, microswarms have shown advantages in manipulation and targeted delivery tasks with high adaptability and on-demand pattern transformation. This review focuses on the recent progress in active micro/nanoparticles (MNPs) in colloidal microswarms under the input of an external field, including the response of MNPs to external fields, MNP–MNP interactions, and MNP–environment interactions. A fundamental understanding of how building blocks behave in a collective system provides the foundation for designing microswarm systems with autonomy and intelligence, aiming for practical application in diverse environments. It is envisioned that colloidal microswarms will significantly impact active delivery and manipulation applications on small scales.https://www.mdpi.com/2079-4991/13/10/1687active micro/nanoparticlemicroswarmcollective behaviormicro/nanorobotswarm controlwireless actuation
spellingShingle Qianqian Wang
Dongdong Jin
Active Micro/Nanoparticles in Colloidal Microswarms
Nanomaterials
active micro/nanoparticle
microswarm
collective behavior
micro/nanorobot
swarm control
wireless actuation
title Active Micro/Nanoparticles in Colloidal Microswarms
title_full Active Micro/Nanoparticles in Colloidal Microswarms
title_fullStr Active Micro/Nanoparticles in Colloidal Microswarms
title_full_unstemmed Active Micro/Nanoparticles in Colloidal Microswarms
title_short Active Micro/Nanoparticles in Colloidal Microswarms
title_sort active micro nanoparticles in colloidal microswarms
topic active micro/nanoparticle
microswarm
collective behavior
micro/nanorobot
swarm control
wireless actuation
url https://www.mdpi.com/2079-4991/13/10/1687
work_keys_str_mv AT qianqianwang activemicronanoparticlesincolloidalmicroswarms
AT dongdongjin activemicronanoparticlesincolloidalmicroswarms