Soft Micro/Nanochannels: Fundamentals and Applications

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "B:Biology and Biomedicine".

Deadline for manuscript submissions: closed (24 March 2023) | Viewed by 1949

Special Issue Editor


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Guest Editor
Research Lab for Advanced Separation Processes, Department of Chemical Engineering, Iran University of Science and Technology, Narmak, Tehran 16846-13114, Iran
Interests: advanced separation processes; electrokinetics; micro/nano fluidics; surface sciences; membranes

Special Issue Information

Dear Colleagues,

The biological ion channels or membrane proteins that exist in living organisms play essential roles in their life processes with different intelligent functions, including signaling, mass transfer, ion manipulation, selection and separation of specific ionic species, etc. Nature has inspired the fabrication of intelligent devices to meet the needs of the advanced community and better understand the imitation of living processes. In recent years, soft smart nanopores/nanochannels for intelligent control of the transportation of ions and molecules in organisms have been extensively studied due to their great potential in applications such as molecular sieves, nanofluidics, energy conversion, and biosensors. To keep up with the fast development of this field, it is necessary to summarize the construction, characterization, and application of biomimetic smart nanopores/nanochannels. These can be classified into four sections: the fabrication of solid-state nanopores/nanochannels, functionalization methods and materials, the explanation about the mechanism of ion rectification, and the various practical applications. This Special Issue seeks to showcase research papers, short communications, and review articles that focus on: (1) novel designs, fabrication, control, and modeling of soft micro-/nanochannels; and (2) new developments in applying soft micro-/nanochannels of any kind in consumer electronics, optical communications, industry, medicine, agriculture, space, or defense.

Dr. Seyed Nezameddin Ashrafizadeh
Guest Editor

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Keywords

  • soft micro/nanochannel
  • bipolar nanochannels
  • polyelectrolyte layer
  • ionic current rectification
  • electroosmotic flow
  • salinity gradient energy/blue energy generation

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Published Papers (1 paper)

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Research

26 pages, 12135 KiB  
Article
Analysis of Homogeneous/Heterogeneous Reactions in an Electrohydrodynamic Environment Utilizing the Second Law
by Farida Aslam, Saima Noreen, Muhammad Idrees Afridi and Muhammad Qasim
Micromachines 2023, 14(4), 821; https://doi.org/10.3390/mi14040821 - 6 Apr 2023
Cited by 3 | Viewed by 1636
Abstract
In this study, we investigate what happens to entropy in the presence of electrokinetic phenomena. It is speculated that the microchannel has an asymmetrical and slanted configuration. The presence of fluid friction, mixed convection, Joule heating, presence and absence of homogeneity, and a [...] Read more.
In this study, we investigate what happens to entropy in the presence of electrokinetic phenomena. It is speculated that the microchannel has an asymmetrical and slanted configuration. The presence of fluid friction, mixed convection, Joule heating, presence and absence of homogeneity, and a magnetic field are modelled mathematically. It is also emphasized that the diffusion factors of the autocatalyst and the reactants are equal. The governing flow equations are linearized using the Debye–Huckel and lubrication assumptions. The resulting nonlinear couple differential equations are solved using the program’s integrated numerical solver, Mathematica. We take a graphical look at the results of homogeneous and heterogeneous reactions and talk about what we see. It has been demonstrated that homogeneous and heterogeneous reaction parameters affect concentration distribution f in different ways. The Eyring–Powell fluid parameters B1 and B2 display an opposite relation with the velocity, temperature, entropy generation number, and Bejan number. The mass Grashof number, the Joule heating parameter, and the viscous dissipation parameter all contribute to the overall increase in fluid temperature and entropy. Full article
(This article belongs to the Special Issue Soft Micro/Nanochannels: Fundamentals and Applications)
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