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Nanomaterials
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Soft Nanostructured Materials
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Soft Nanostructured Materials

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Synthesis, Interfaces and Nanostructures".

Deadline for manuscript submissions: closed (31 March 2020) | Viewed by 11837

Special Issue Editor

Prof. Dr. Dmitriy V Soldatov

E-Mail Website
Guest Editor
Department of Chemistry, University of Guelph, Guelph, Canada
Interests: supramolecular and nanoporous materials; molecular crystals and cocrystals; natural and synthetic polymers; self-assembly and crystal engineering; reactivity in the solid state
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Soft nanostructured materials is a special type of bulk matter that shows both the presence of nano-size structural elements and weak connectivity of molecular or the nano-size components to each other. The structural elements range from large molecules and molecular size cavities in the crystal to discrete and infinite molecular assemblies, giant unit cells in the crystals, crystallites in bulk polymers, nano-size fragments incorporated in a structurally or compositionally different matrix, nanopores, nanoparticles and nanocrystals. The weak connectivity implies van der Waals forces, hydrogen bonding, weak coordination, or other interactions weaker than the chemical bond.

Soft nanostructured materials are common in living organisms (e.g. starch produced by plants, protein fibers in animals). In the context of materials science, the existing materials may be modified, or totally new soft nanostructured materials may be created that display novel qualities due to the unique combination of their structure and the mode of bonding. The presence of nano-size elements may lead to special mechanical, optical, electric or magnetic properties, selective sorption or specific solid state reactivity. On the other hand, weaker linkage of the building units makes the materials reproducibly form and dissociate under controlled conditions, or undergo a quick structural reorganization into a drastically different form. Another advantage is a great potential diversity of materials that can be created by variation of the weakly bonded building units within a single structure. Research on the formation, structure and properties of soft nanostructured materials is an important step towards their future applications.

This Special Issue deals with all aspects of such research. Both original research and comprehensive review papers contributing to the field are welcome.

Prof. Dr. Dmitriy V Soldatov
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 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

  • polymer and supramolecular gels
  • organic-inorganic nanocomposites
  • natural nanostructured materials
  • low-dimensional polymers
  • modified graphene
  • dendrimers
  • porous solids and liquids
  • cocrystals and inclusion compounds
  • metal organic frameworks
  • covalent organic frameworks
  • hydrogen-bonded organic frameworks
  • assembly of peptides, proteins and DNA

Published Papers (3 papers)

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Research

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14 pages, 1700 KiB  
Article
Florfenicol Binding to Molecularly Imprinted Polymer Nanoparticles in Model and Real Samples
by Nelson Caro, Tamara Bruna, Antonio Guerreiro, Paola Alvarez-Tejos, Virginia Garretón, Sergey Piletsky, Jorge González-Casanova, Diana Rojas-Gómez and Nicole Ehrenfeld
Nanomaterials 2020, 10(2), 306; https://doi.org/10.3390/nano10020306 - 11 Feb 2020
Cited by 11 | Viewed by 2707
Abstract
A simple and straightforward technique for coating microplate wells with molecularly imprinted polymer nanoparticles (nanoMIPs) to develop assays similar to the enzyme-linked immunosorbent (ELISA) assay to determine and quantify florfenicol (FF) in real food samples such as liquid milk and salmon muscle is [...] Read more.
A simple and straightforward technique for coating microplate wells with molecularly imprinted polymer nanoparticles (nanoMIPs) to develop assays similar to the enzyme-linked immunosorbent (ELISA) assay to determine and quantify florfenicol (FF) in real food samples such as liquid milk and salmon muscle is presented here. The nanoMIPs were synthesized by a solid-phase approach with an immobilized FF (template) and characterized using dynamic light scattering, a SPR-2 biosensor system and transmission electron microscopy. Immobilization of nanoMIPs was conducted by preparing a homogenous solution of FF-nanoMIPs in water mixed with polyvinyl alcohol (PVA) 0.2% (w/v) in each well of a microplate. The detection of florfenicol was achieved in competitive binding experiments with a horseradish peroxidase−florfenicol (FF–HRP) conjugate. The assay made it possible to measure FF in buffer and in real samples (liquid milk and salmon muscle) within the range of 60−80 and 90–100 ng/mL, respectively. The immobilized nanoMIPs were stored for six weeks at room temperature and at 5 °C. The results indicate good signal recovery for all FF concentrations in spiked milk samples, without any detrimental effects to their binding properties. The high affinity of nanoMIPs and the lack of a requirement for cold chain logistics make them an attractive alternative to traditional antibodies used in ELISA. Full article
(This article belongs to the Special Issue Soft Nanostructured Materials)
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16 pages, 5160 KiB  
Article
Nanoscale Morphology, Interfacial Hydrogen Bonding, Confined Crystallization and Greatly Improved Toughness of Polyamide 12/Polyketone Blends
by Siyuan Li, Yan Yang, Xiangjun Zha, Yicun Zhou, Wei Yang and Mingbo Yang
Nanomaterials 2018, 8(11), 932; https://doi.org/10.3390/nano8110932 - 08 Nov 2018
Cited by 20 | Viewed by 4149
Abstract
Nanostructured polyamide 12(PA12)/polyketone (PK) blends were fabricated by melt compounding. The nanoscale droplet and domain-in-domain morphologies depending on PK content were observed. When the content of PK was 10 vol %, the impact strength of the blend jumped from 6.8 to 111.9 kJ/m [...] Read more.
Nanostructured polyamide 12(PA12)/polyketone (PK) blends were fabricated by melt compounding. The nanoscale droplet and domain-in-domain morphologies depending on PK content were observed. When the content of PK was 10 vol %, the impact strength of the blend jumped from 6.8 to 111.9 kJ/m2 and further improved with an increasing content of PK. The toughening mechanism was found to be closely related with the morphology change from nanoscale droplet morphology to domain-in-domain morphology owing to the strong interfacial hydrogen bonding. The nanoscale morphology confinement and interfacial hydrogen bonding enhances the crystallization kinetics, while it lowers down the thermodynamic stability of the crystals. The toughening mechanisms were discussed based on these factors. Full article
(This article belongs to the Special Issue Soft Nanostructured Materials)
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Review

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25 pages, 3826 KiB  
Review
Synthesis and Electrochemical Study of Three-Dimensional Graphene-Based Nanomaterials for Energy Applications
by Antony R. Thiruppathi, Boopathi Sidhureddy, Emmanuel Boateng, Dmitriy V. Soldatov and Aicheng Chen
Nanomaterials 2020, 10(7), 1295; https://doi.org/10.3390/nano10071295 - 01 Jul 2020
Cited by 24 | Viewed by 4320
Abstract
Graphene is an attractive soft material for various applications due to its unique and exclusive properties. The processing and preservation of 2D graphene at large scales is challenging due to its inherent propensity for layer restacking. Three-dimensional graphene-based nanomaterials (3D-GNMs) preserve their structures [...] Read more.
Graphene is an attractive soft material for various applications due to its unique and exclusive properties. The processing and preservation of 2D graphene at large scales is challenging due to its inherent propensity for layer restacking. Three-dimensional graphene-based nanomaterials (3D-GNMs) preserve their structures while improving processability along with providing enhanced characteristics, which exhibit some notable advantages over 2D graphene. This feature article presents recent trends in the fabrication and characterization of 3D-GNMs toward the study of their morphologies, structures, functional groups, and chemical compositions using scanning electron microscopy, X-ray diffraction, Raman spectroscopy, Fourier transform infrared spectroscopy, and X-ray photoelectron spectroscopy. Owing to the attractive properties of 3D-GNMs, which include high surface areas, porous structures, improved electrical conductivity, high mechanical strength, and robust structures, they have generated tremendous interest for various applications such as energy storage, sensors, and energy conversion. This article summarizes the most recent advances in electrochemical applications of 3D-GNMs, pertaining to energy storage, where they can serve as supercapacitor electrode materials and energy conversion as oxygen reduction reaction catalysts, along with an outlook. Full article
(This article belongs to the Special Issue Soft Nanostructured Materials)
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