Results 1 to 10 of about 3,118 (254)

Magnetically Actuated Helical Microrobot with Magnetic Nanoparticle Retrieval and Sequential Dual-Drug Release Abilities

open access: yesACS Applied Materials & Interfaces, 2023
Cancer is one of the diseases with high mortality worldwide. Various methods for cancer treatment are being developed, and among them, magnetically driven microrobots capable of minimally invasive surgery and accurate targeting are in the spotlight ...
Hyoryong Lee, Sukho Park
exaly   +7 more sources

A Tumbling Magnetic Microrobot System for Biomedical Applications

open access: yesMicromachines, 2020
A microrobot system comprising an untethered tumbling magnetic microrobot, a two-degree-of-freedom rotating permanent magnet, and an ultrasound imaging system has been developed for in vitro and in vivo biomedical applications. The microrobot tumbles end-
Elizabeth E. Niedert   +6 more
doaj   +2 more sources

A Mobile Self-Reconfigurable Microrobot with Power and Communication Relays

open access: yesInternational Journal of Advanced Robotic Systems, 2010
A modular mobile self-reconfigurable microrobot is developed to enlarge the whole surveillance range of mobile microrobot. The microrobot is designed as differential driven vehicle equipped with a passive universal connector with autonomic engagement ...
Dawei Zhang   +3 more
doaj   +2 more sources

Development of Biomedical Microrobot for Intravascular Therapy

open access: yesInternational Journal of Advanced Robotic Systems, 2010
Recently, coronary artery disease such as angina pectoris and myocardial infarction has become the major causes of death. As a method of medical treatment for the disease, the pharmacological approaches and the surgical operations are executed ...
Sukho Park   +2 more
doaj   +3 more sources

Wheels Optimization and Vision Control of Omni-directional Mobile Microrobot

open access: yesInternational Journal of Advanced Robotic Systems, 2008
This paper presents a millimeters scale omni-directional mobile microrobot with special dual-wheel structure. The microrobot was actuated by three electromagnetic micromotors of 2mm diameter.
Jianghao Li, Zhenbo Li, Jiapin Chen
doaj   +3 more sources

Slip and Magnetic Attraction Effects in a Microrobot with Magnetic-Wheels and Skid-Steering

open access: yesMicromachines, 2019
This study investigated slip and magnetic attraction effects in a skid-steered magnetic-wheeled microrobot. The dynamics of the microrobot were derived by considering the slip and magnetic attraction of the wheels.
Munehisa Takeda, Isao Shimoyama
doaj   +2 more sources

Development of Underwater Microrobot with Biomimetic Locomotion

open access: yesApplied Bionics and Biomechanics, 2006
Microrobots have powerful applications in biomedical and naval fields. They should have a compact structure, be easy to manufacture, have efficient locomotion, be driven by low voltage and have a simple control system. To meet these purposes, inspired by
W. Zhang, S. Guo, K. Asaka
doaj   +2 more sources

Magnetically Actuated Drug Delivery Helical Microrobot with Magnetic Nanoparticle Retrieval Ability

open access: yesACS Applied Materials & Interfaces, 2021
Therapeutic drug delivery microrobots capable of accurate targeting using an electromagnetic actuation (EMA) system are being developed. However, these drug delivery microrobots include a large number of magnetic nanoparticles (MNPs) for accurate EMA ...
Hyoryong Lee   +2 more
exaly   +2 more sources

Stabilization of Microrobot Motion Characteristics in Liquid Media

open access: yesMicromachines, 2018
Magnetically actuated microrobot in a liquid media is faced with the problem of head-tilting reaction caused by its hydrodynamic structure and its speed while moving horizontally.
Ali Anil Demircali, Huseyin Uvet
doaj   +2 more sources

Dynamic Modeling of Stick-Slip Motion in a Legged, Piezoelectric Driven Microrobot

open access: yesInternational Journal of Advanced Robotic Systems, 2010
The motion of a stick-slip microrobot propelled by its piezoelectric unimorph legs is mathematically modeled. Using a continuously distributed mass model for the robot's body, the working equation of the mechanism is derived based on the assumption of ...
Ali Kamali Eigoli, GholamReza Vossoughi
doaj   +2 more sources

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