Results 1 to 10 of about 579 (167)

Passive Mixing inside Microdroplets [PDF]

open access: yesMicromachines, 2018
Droplet-based micromixers are essential units in many microfluidic devices for widespread applications, such as diagnostics and synthesis. The mixers can be either passive or active.
Pingan Zhu, Ye Tian, Xiaowen Huang
exaly   +5 more sources

Gibbs Free Energy and Reaction Rate Acceleration in and on Microdroplets

open access: yesEntropy, 2019
Recent observations show that many reactions are accelerated in microdroplets compared to bulk liquid and gas media. This acceleration has been shown to feature Gibbs free energy changes, ΔG, that are negative and so reaction enabling, compared to ...
Adrian Tuck, Tuck Adrian F
exaly   +3 more sources

Controllable Formation and Real-Time Characterization of Single Microdroplets Using Optical Tweezers

open access: yesMicromachines, 2022
Existing preparation methods for microdroplets usually require offline measurements to characterize single microdroplets. Here, we report an optical method used to facilitate the controllable formation and real-time characterization of single ...
Shuai Li   +7 more
doaj   +1 more source

Microchannels Formed Using Metal Microdroplets

open access: yesMicromachines, 2023
The metal microdroplet deposition manufacturing technique has gained extensive attention due to its potential applications in microstructure fabrication.
Daicong Zhang   +5 more
doaj   +1 more source

Electrochemical Formation Mechanism of Microdroplets on Pure Iron

open access: yesFrontiers in Chemistry, 2021
The electrochemical formation mechanism of microdroplets formed around a primary droplet of 3.5% NaCl solution on an iron-plated film was investigated by quartz crystal microbalance (QCM) and concentric three-electrode array (CTEA) measurements.
Xiao Tang   +7 more
doaj   +1 more source

Threshold magnetic field as a universal criterion for the selective transport of magnetized particles in microdroplets

open access: yesScientific Reports, 2023
Transportation of magnetized particles (MPs) against gravity is possible by applying a magnetic field to the particles. This transport phenomenon of MPs in microdroplets can be quantitatively assessed by determining the contribution of individual forces ...
Shinji Bono, Satoshi Konishi
doaj   +1 more source

Structure and composition of thin GaAs1-x-yNxBiy films produced by pulsed laser deposition

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2022
Uniaxial cold pressing was used to fabricate GaAs0,9Bi0,1 targets with 10% Bi content. Thin films of GaAs1-x-yNxBiy onto a GaAs (100) substrate were obtained from the formed GaAs0,9Bi0,1 target by pulsed laser deposition in an argon-nitrogen gas ...
O.V. Devitsky
doaj   +1 more source

Kinetic Study of the Maillard Reaction in Thin Film Generated by Microdroplets Deposition

open access: yesMolecules, 2022
The Maillard reaction kinetics in the confined volume of the thin film produced by ESI microdroplet deposition was studied by mass spectrometry. The almost exclusive formation of the Amadori product from the reaction of D-xylose and D-glucose toward L ...
Chiara Salvitti   +5 more
doaj   +1 more source

Enhancement of solute diffusion in microdroplets using microrotors under rotational magnetic field

open access: yesScientific Reports, 2023
In vertical contact control (VCC), a microdroplet array selectively contacts with an opposite microdroplet array. Generally, VCC is useful for the dispenser mechanism based on solute diffusion between microdroplet pairs.
Shinji Bono, Kota Sakai, Satoshi Konishi
doaj   +1 more source

Hammett Correlation in the Accelerated Formation of 2,3-Diphenylquinoxalines in Nebulizer Microdroplets

open access: yesMolecules, 2021
The accelerated formation of 2,3-diphenylquinoxalines in microdroplets generated in a nebulizer has been investigated by competition experiments in which equimolar quantities of 1,2-phenylenediamine, C6H4(NH2)2, and a 4-substituted homologue, XC6H3(NH2)2
Nathan W. Fenwick   +4 more
doaj   +1 more source

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