Large scale Micro-Photometry for high resolution pH-characterization during electro-osmotic pumping and modular micro-swimming [PDF]
, 2017 Micro-fluidic pumps as well as artificial micro-swimmers are conveniently realized exploiting phoretic solvent flows based on local gradients of temperature, electrolyte concentration or pH.
Khodorov, Stanislav +4 more
core +2 more sources
Galvanic replacement induced electromotive force to propel Janus micromotors [PDF]
The Journal of Chemical Physics, 2019 Electrochemistry is a highly versatile part of chemical research which is involved in many of the processes in the field of micromotion. Its input has been crucial from the synthesis of microstructures to the explanation of phoretic mechanisms. However, using electrochemical effects to propel artificial micromotors is still to be achieved.
Julio Bastos-Arrieta +3 more
openaire +5 more sources
Self-propelled magnesium based micromotors: synthesis and magnetic steering
MATEC Web of Conferences, 2015 In this work the magnesium based Janus micromotors were prepared by an asymmetric coating of Co-Au bilayer on the surface of Mg microparticles. The micromotor could efficiently self-propel in phosphate buffer saline (PBS) with a highest speed of 221 μm·s−
Jin Dongdong +3 more
doaj +1 more source
2D Nanomaterials wrapped Janus micromotors with built-in multiengines for bubble, magnetic, and light driven propulsion [PDF]
, 2020 Graphene oxide, graphdyine oxide, and blackphosphorus coated micromotors integrating "three engines" for motion control using different stimuli such as chemical fuel, light, and magnetic fields are described.
Asunción Nadal, Víctor de la +3 more
core +1 more source
Electrochemistry: A basic and powerful tool for micro- and nanomotor fabrication and characterization [PDF]
, 2021 Electrochemistry, although an ancient field of knowledge, has become of paramount importance in the synthesis of materials at the nanoscale, with great interest not only for fundamental research but also for practical applications.
Abid +207 more
core +2 more sources
Organized Self-Assembly of Janus Micromotors with Hydrophobic Hemispheres
Journal of the American Chemical Society, 2013 Organized self-assemblies of Janus catalytic motors, induced by hydrophobic surface interactions involving multiple motor/motor and motor/nonmotor particles, display controlled coordinated self-propulsion. The influence of the self-assembled structures upon the motion behavior is investigated.
Gao, Wei +4 more
openaire +3 more sources
Seawater-driven magnesium based Janus micromotors for environmental remediation [PDF]
Nanoscale, 2013 We describe the use of seawater as fuel to propel Janus micromotors. The new micromotors consist of biodegradable and environmentally friendly magnesium microparticles and a nickel-gold bilayer patch for magnetic guidance and surface modification. Such seawater-driven micromotors, which utilize macrogalvanic corrosion and chloride pitting corrosion ...
Gao, Wei +5 more
openaire +3 more sources
Nanomotors for Nucleic Acid, Proteins, Pollutants and Cells Detection [PDF]
, 2018 The development of nanomachines able to operate at the nanoscale, performing complex tasks such as drug delivery, precision surgery, or cell detection, constitutes one of the most important challenges in nanotechnology.
Baeza, Alejandro, Vallet Regí, María
core +3 more sources
Self-Assembly of Micromachining Systems Powered by Janus Micromotors [PDF]
Small, 2015 Integration of active matter in larger micro-devices can provide an embedded source of propulsion and lead to self-actuated micromachining systems that do not rely on any external power or control apparatus. Here we demonstrate that Janus colloids can self-assemble around micro-fabricated rotors in reproducible configurations with a high degree of ...
Maggi Claudio +7 more
openaire +7 more sources
Highly Efficient Light-Driven TiO_2–Au Janus Micromotors [PDF]
, 2016 A highly efficient light-driven photocatalytic TiO_2–Au Janus micromotor with wireless steering and velocity control is described. Unlike chemically propelled micromotors which commonly require the addition of surfactants or toxic chemical fuels, the ...
Dong, Renfeng +4 more
core +2 more sources