Microfluidic Synthesis

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "E:Engineering and Technology".

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 1416

Special Issue Editor


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Guest Editor
1. Department of Chemical and Environmental Engineering, University of Zaragoza, 50018 Zaragoza, Spain
2. Aragon Nanoscience Institute, University of Zaragoza, 50018 Zaragoza, Spain
Interests: manoscience; catalyst; molecules
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Special Issue Information

Dear Colleagues,

Microfluidic systems are designed to manipulate fluids in channels under the millimetre scale and have widely been used in the field of nanotechnology. They are miniaturized reaction systems fabricated using microtechnology and precision engineering methods. Over the past decade, microfluidic systems have evolved from simple devices for basic chemical transformations to more complex systems for a great number of applications in the fields of catalysis, energy processes, fine chemistry, biomedicine and sensors.

The use of microfluidic systems enables us to perform chemical reactions with unprecedented control over mixing, mass- and heat-transfer, safety, reaction residence time and other process parameters, which results in enhanced reproducibility. This technology is a valuable tool for the synthesis of a large variety of nanomaterials and synthetic molecules whose synthesis route requires several stages (multistep synthesis). In the field of nanomaterials, microfluidics can accelerate the reaction outcome by orders of magnitude and the reaction times shrink from hours to minutes and seconds. In the field of organic chemistry, areas such as combinatorial chemistry, complex multistep syntheses, and the synthesis of pharmaceutical substances have witnessed tremendous growth using the flow chemistry approach. Microfluidics are also unique tools that combine nanomaterials and therapeutic molecules into carriers, which is one of the pillars of nanobiomedicine, paving the way to achieve consistency in properties and making the scalability process more simple.

This Special Issue on “Microfluidic Synthesis” is a timely approach for surveying the recent progress in the area of microfluidic systems and their applications in continuous-flow microchemical synthesis, from nanomaterials to fine chemicals. The articles presented in this Special Issue will cover various topics, ranging from the application of microfluidic systems in synthesis and the advances related to microfabrication, multi-step synthesis, integration of analytics and scale-up. In this context, the research published in this Special Issue will offer a unique glimpse into what has been achieved and what remains to be explored regarding microfluidic synthesis technology.

It is my pleasure to invite you to submit a manuscript to this Special Issue. Full papers, communications, and reviews are all welcome.

Dr. Victor Sebastian
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Micromachines is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • microfluidic synthesis

Published Papers (1 paper)

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Research

13 pages, 29909 KiB  
Article
Effect of Microwave Irradiation on the Dielectric Characteristics of Semi-Conductive Nanoparticle-Based Nanofluids: Progress towards the Microwave Synthesis
by S. Raja, G. Koperundevi and Muthusankar Eswaran
Micromachines 2023, 14(6), 1194; https://doi.org/10.3390/mi14061194 - 3 Jun 2023
Viewed by 1102
Abstract
Studies on dispersing nanoparticles in base fluid to elevate its essential and critical properties have evolved significantly in the recent decade. Alongside the conventional dispersion techniques used for nanofluid synthesis, microwave energy at 2.4 GHz frequency is irradiated onto the nanofluids is experimented [...] Read more.
Studies on dispersing nanoparticles in base fluid to elevate its essential and critical properties have evolved significantly in the recent decade. Alongside the conventional dispersion techniques used for nanofluid synthesis, microwave energy at 2.4 GHz frequency is irradiated onto the nanofluids is experimented with in this study. The effect of microwave irradiation on the electrical and thermal properties of semi-conductive nanofluids (SNF) is investigated and presented in this article. Titanium dioxide and zinc oxide are the semi-conductive nanoparticles used for this study to synthesize the SNF, viz., titania nanofluid (TNF) and zinc nanofluid (ZNF). Flash and fire points are the thermal properties verified, and dielectric breakdown strength, dielectric constant (εr), and dielectric dissipation factor (tan δ) are the electrical properties verified in this study. AC breakdown voltage (BDV) of TNF and ZNF is improved by 16.78% and 11.25%, respectively, more than SNFs prepared without microwave irradiation. Results justify that the synergetic effect of stirring, sonication, and microwave irradiation in a rational sequence (microwave synthesis) exhibited better electrical and unaltered thermal properties. This microwave-applied nanofluid synthesis could be a simple and effective route to prepare the SNF with improved electrical properties. Full article
(This article belongs to the Special Issue Microfluidic Synthesis)
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