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Nanomaterials
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Metal Oxide Core-Shell Nanoparticles
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Metal Oxide Core-Shell Nanoparticles

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanocomposite Materials".

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 4543

Special Issue Editors

Prof. Dr. Sung-Churl Choi

E-Mail Website
Guest Editor
Division of Material Science and Engineering, Hanyang University, Seoul 04763, Republic of Korea
Interests: ceramic materials; ceramics processing; nanoparticle; surface modification; ceramic composite; core-shell structure; multi-functional ceramics
Special Issues, Collections and Topics in MDPI journals
Dr. Gye Seok An

E-Mail Website
Guest Editor
Department of Advanced Materials Engineering, Kyonggi University, Seoul, Korea
Interests: ceramics; inorganic nanoparticles; core-shell nanostructures
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The core-shell structure has recently received considerable attention for its extensive application potential in various fields such as bio-medical, energy, and environment because of the combined function of the core and shell. In this inaugural Special Issue entitled “Metal Oxide Core-Shell Nanoparticles”, articles about designing metal core-shell nanoparticles, functionalizing via organic/inorganic compound, and fabricating complex-structured components of the shell layer will be gathered. We welcome contributions about purifying biomaterial, such as nucleic acid, protein, antibody, etc. However, the topics are not limited to bio-medical application and research about the core-shell nanoparticle for electronic devices, or environmental, energy and other applications included in our scope.  In addition, research on the properties of metal oxide core-shell nanoparticles is welcomed, including functional properties, stability, and any other properties for future applications.

Prof. Dr. Sung-Churl Choi
Dr. Gye Seok An
Guest Editors

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 short 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. Nanomaterials is an international peer-reviewed open access semimonthly 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 2900 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

  • core-shell structure
  • surface functionalization
  • interface design
  • nanocomposites
  • complex materials
  • nano-engineering

Published Papers (2 papers)

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Research

11 pages, 1848 KiB  
Article
Preparation of Dual-Layered Core–Shell Fe3O4@SiO2 Nanoparticles and Their Properties of Plasmid DNA Purification
by Jin Soon Han and Gye Seok An
Nanomaterials 2021, 11(12), 3422; https://0-doi-org.brum.beds.ac.uk/10.3390/nano11123422 - 17 Dec 2021
Cited by 13 | Viewed by 3068
Abstract
The rapid purification of biomaterials such as DNA, RNA, and antibodies has attracted extensive attention, and research interest has increased further with the COVID-19 pandemic. In particular, core–shell-structured superparamagnetic nanoparticles have been continuously studied for their application as biopurification materials. It has been [...] Read more.
The rapid purification of biomaterials such as DNA, RNA, and antibodies has attracted extensive attention, and research interest has increased further with the COVID-19 pandemic. In particular, core–shell-structured superparamagnetic nanoparticles have been continuously studied for their application as biopurification materials. It has been reported that Fe3O4@SiO2 nanoparticles are one of the most promising candidates for separating nucleic acids via a simple and rapid process. This study proposed a fabrication method for dual-layered Fe3O4@SiO2 nanoparticles, in which the density of the SiO2 shell was controlled using an intermediate surfactant during the SiO2 coating. After the fabrication of dual-layered Fe3O4@SiO2 nanoparticles, structural, morphological, and magnetic analyses were conducted. The results showed that the Fe3O4 nanoparticles were surrounded by a dense layer 15.6~27.9 nm thick and a porous layer 24.2~44.4 nm thick, and had superparamagnetic properties with high saturated magnetization at room temperature (86.9 emu/g). Then, the optimal conditions for the biopurification material were suggested based on analysis of the selective separation of plasmid DNA. Full article
(This article belongs to the Special Issue Metal Oxide Core-Shell Nanoparticles)
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14 pages, 4611 KiB  
Article
Preparation of Multilayered Core–Shell Fe3O4-SnO2-C Nanoparticles via Polymeric/Silane–Amino Functionalization
by Jae Uk Hur, Gye Seok An and Sung-Churl Choi
Nanomaterials 2021, 11(11), 2877; https://0-doi-org.brum.beds.ac.uk/10.3390/nano11112877 - 28 Oct 2021
Cited by 3 | Viewed by 1744
Abstract
Multilayered core–shell Fe3O4-SnO2-C nanoparticles were prepared via surface treatment and carbonization at atmospheric pressure. Fe3O4-SnO2 nanoparticles were prepared by the carboxylation of the pivotal particles (Fe3O4) with an [...] Read more.
Multilayered core–shell Fe3O4-SnO2-C nanoparticles were prepared via surface treatment and carbonization at atmospheric pressure. Fe3O4-SnO2 nanoparticles were prepared by the carboxylation of the pivotal particles (Fe3O4) with an anionic surfactant to immobilize SnO2 nanoparticles. A method was proposed to externally surround hydrophilic carbon with amine-forming materials, polyethyleneimine (PEI), and (3-Aminopropyl) triethoxysilane (APTES). The synthesis strategy was based on the electrostatic bonding of the introduced amine group with the hydroxyl group on the carbon precursor and the carbonization of the coating layer by the catalytic reaction of sulfuric acid. Full article
(This article belongs to the Special Issue Metal Oxide Core-Shell Nanoparticles)
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