Results 151 to 160 of about 893 (178)

Dynamic Colloidal Molecules Maneuvered by Light-Controlled Janus Micromotors

ACS Applied Materials & Interfaces, 2017
In this work, we propose and demonstrate a dynamic colloidal molecule that is capable of moving autonomously and performing swift, reversible, and in-place assembly dissociation in a high accuracy by manipulating a TiO2/Pt Janus micromotor with light irradiation.
Yirong Gao, Fangzhi Mou, Yizheng Feng, Shengping Che, Wei Li, Leilei Xu, Jianguo Guan   +6 more
openaire   +2 more sources

Upconversion-nanoparticle-functionalized Janus micromotors for efficient detection of uric acid

Journal of Materials Chemistry B, 2022
We developed enzyme-powered UCNP-functionalized Janus micromotors. These micromotors display efficient motion in urine powered by biocatalytic decomposition of uric acid and simultaneously detect uric acid based on the luminescence quenching effect.
Ye Yuan, Changyong Gao, Zhexu Wang, Jianming Fan, Haofei Zhou, Daolin Wang, Chang Zhou, Baohua Zhu, Qiang He   +8 more
openaire   +2 more sources

Janus Micromotors Coated with 2D Nanomaterials as Dynamic Interfaces for (Bio)-Sensing

ACS Applied Materials & Interfaces, 2020
In this work, we study the interaction of graphdiyne oxide (GDYO)-, graphene oxide (GO)-, or black phosphorous (BP)-wrapped Janus micromotors using a model system relying on a fluorescence-labeled affinity peptide, which is released upon specific interaction with a target Cholera Toxin B.
Kaisong Yuan, Miguel Ángel López, Beatriz Jurado-Sánchez, Alberto Escarpa   +3 more
openaire   +2 more sources

Light-activated Janus self-assembled capsule micromotors

Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2015
Abstract We report a self-propelled Janus micromotor composed by chitosan (CHI) and alginate (ALG) multilayer capsule driven by near-infrared (NIR) illumination. The CHI/ALG multilayer capsules were prepared using conventional template-assisted layer-by-layer (LbL) self-assembly.
Mingjun Xuan, Jingxin Shao, Xiankun Lin, Luru Dai, Qiang He   +4 more
openaire   +1 more source

Janus Micromotors for Electrochemical Sensing and Biosensing Applications: A Review

Electroanalysis, 2016
AbstractSelf‐propelled micromotors offer considerable promise to solve electroanalytical challenges. This timely review provides a comprehensive overview of the potential of Janus micromotors for new electroanalytical and biosensing applications. We will describe first the use of Janus micromotors to assist electrochemical measurements using strip ...
Beatriz Jurado‐Sánchez, Alberto Escarpa   +1 more
openaire   +1 more source

Magnetocatalytic Graphene Quantum Dots Janus Micromotors for Bacterial Endotoxin Detection

Angewandte Chemie International Edition, 2017
AbstractMagnetocatalytic hybrid Janus micromotors encapsulating phenylboronic acid (PABA) modified graphene quantum dots (GQDs) are described herein as ultrafast sensors for the detection of deadly bacteria endotoxins. A bottom‐up approach was adopted to synthesize an oil‐in‐water emulsion containing the GQDs along with a high loading of platinum and ...
Beatriz Jurado‐Sánchez, Marta Pacheco, Jaime Rojo, Alberto Escarpa   +3 more
openaire   +3 more sources

Multifunctional and self-propelled spherical Janus nano/micromotors: recent advances

Nanoscale, 2018
Autonomous self-propelled multifunctional Janus nano/micromotors, which are able to convert different energies into mechanical motion.
Amir Masoud Pourrahimi, Martin Pumera
openaire   +2 more sources

Automated control of catalytic Janus micromotors

MRS Advances, 2023
Max Sokolich, David Rivas, Zameer Hussain Shah, Sambeeta Das   +3 more
openaire   +1 more source

Transportation and release of Janus micromotors by two-stage rocket hydrogel

Journal of Materials Chemistry A, 2017
A fast two-stage hydrogel rocket is described that displays efficient autonomous motion, long transportation time and the release of Janus micromotors that can self-propel after hydrogel disintegration. Such an attractive two-stage hydrogel rocket holds considerable potential for the on demand delivery of artificial small motors and further diverse ...
Yuling Liang, Hui Wang, Dahua Yao, Yunhua Chen, Yonghong Deng, Chaoyang Wang   +5 more
openaire   +1 more source

Bimetallic Photo-Activated and Steerable Janus Micromotors as Active Microcleaners for Wastewater

ACS Applied Materials & Interfaces
Photoactive colloidal motors whose motion can be controlled and even programed via external magnetic fields have significant potential in practical applications extending from biomedical fields to environmental remediation. Herein, we report a "three in one" strategy in a Co/Zn-TPM (3-trimethoxysilyl propyl methacrylate) bimetallic Janus colloidal ...
Muhammad Ikram, Chao Hu, Yongquan Zhou, Yongxiang Gao   +3 more
openaire   +2 more sources