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Special Issue "Supramolecular Functional Materials"

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: closed (31 January 2019)

Special Issue Editor

Guest Editor
Prof. Sheshanath V Bhosale

Department of Chemistry, Goa University Taleigao Plateau, Goa 403 206, INDIA RMIT University, GPO Box 2476, Melbourne VIC 3001, Australia
Website | E-Mail
Interests: nanomaterials; supramolecular chemistry; sensors; bioorganic chemistry; artificial photosynthesis; organic solar cells

Special Issue Information

Dear Colleagues,

Understanding the nature of molecular assembly and the associated non-covalent interactions that connect complementary interacting molecular surfaces in biological ensembles is of central concern to structural biology and biochemistry. It is obvious that nature not only uses only covalent bonds for structure formation, but many different reversible non-covalent interactions including metal coordination, π-π interactions, hydrophobic forces, van der Waals forces, and hydrogen bonding in order to obtain the remarkable properties and functional capabilities of biological systems.

The aim of this Special Issue is to collect molecular materials based on self-assembly approach. Furthermore, ultimate goal of the supramolecular chemists is to constructing macromolecular and supramolecular molecular nano-objects architectures with precise arrangement of multiple chromophores into functional nanosized structure utilising small organic molecules via bottom-up approach for advancing optoelectronic devices, sensors, catalysis, etc. Such synthesis approaches of “bottom-up” materials based on supramolecular chemistry can provide a solution to the size limitations of “top-down” approaches. Therefore, supramolecular architectures can also be used to assemble active components to mimic nature. The benefit to community of this research will be two-fold: It will enhance research standing in the scientific community and contribute to the commercial exploits of fundamental science.

This Special issue focused on organic small molecules which illustrating the suitability of newly developed nano and micro-structures for various applications, as well as describing novel molecular recognition through self-assembly approach to solve real life problems. We invite contributions of reviews and/or original papers reporting recent efforts in the field Supramolecular Functional Materials.

Prof. Sheshanath Bhosale
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 papers will be 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. International Journal of Molecular Sciences 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 1800 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

  • Supramolecular chemistry
  • Supramolecular biomaterials
  • Supramolecular Nanomaterials
  • Supramolecular Gels
  • Macromolecular chemistry
  • Self-assembly
  • Aggregation
  • Aggregation Induced Emission
  • Nanostructures
  • π-π interactions

Published Papers (4 papers)

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Research

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Open AccessArticle
Graphene Nanoplatelet- and Hydroxyapatite-Doped Supramolecular Electrospun Fibers as Potential Materials for Tissue Engineering and Cell Culture
Int. J. Mol. Sci. 2019, 20(7), 1674; https://doi.org/10.3390/ijms20071674
Received: 12 February 2019 / Revised: 19 March 2019 / Accepted: 1 April 2019 / Published: 3 April 2019
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Abstract
Porous and fibrous artificial extracellular matrices (ECM) called scaffolds are considered to be promising avenues of research in the field of biomedical engineering, including tissue fabrication through cell culture. The current work deals with the fabrication of new matrix-type scaffolds through electrospinning, in [...] Read more.
Porous and fibrous artificial extracellular matrices (ECM) called scaffolds are considered to be promising avenues of research in the field of biomedical engineering, including tissue fabrication through cell culture. The current work deals with the fabrication of new matrix-type scaffolds through electrospinning, in order to support future three-dimensional tissue formation. The selected material for the fabrication of these scaffolds was a supramolecular polymer (SP) that is based on ureiodypyrimidone hydrogen bonding units (UPy). More precisely, pure SP and modified electrospun scaffolds with (a) graphene nanoplatelets (GNPs), (b) hydroxyapatite (HA), and (c) a mixture of both were fabricated for the needs of the current study. The aim of this work is to engineer and to characterize SP electrospun scaffolds (with and without fillers) and study whether the introduction of the fillers improve the physical and mechanical properties of them. The obtained results indicate that doping the SP scaffolds with GNPs led to improved apparent mechanical properties while HA seems to slightly deteriorate them. For all cases, doping provided thinner fibers with a more hydrophilic surface. Taking together, these types of SP scaffolds can be further studied as potential candidate for cell culture. Full article
(This article belongs to the Special Issue Supramolecular Functional Materials)
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Open AccessArticle
Triphenylamine-Merocyanine-Based D1-A1-π-A2/A3-D2 Chromophore System: Synthesis, Optoelectronic, and Theoretical Studies
Int. J. Mol. Sci. 2019, 20(7), 1621; https://doi.org/10.3390/ijms20071621
Received: 26 February 2019 / Revised: 28 March 2019 / Accepted: 29 March 2019 / Published: 1 April 2019
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Abstract
donor–acceptorDonor–acceptor–π–acceptor–donor (D1-A1-π-A2/A3-D2)-type small molecules, such TPA-MC-2 and TPA-MC-3, were designed and synthesized starting from donor-substituted alkynes (TPA-MC-1) via [2 + 2] cycloaddition−retroelectrocyclization reaction with tetracyanoethylene (TCNE) and 7,7,8,8-tetracyanoquinodimethane (TCNQ) units, respectively. TPA-MC-2 and TPA-MC-3 chromophores differ on the A2/A3 acceptor subunit, which is [...] Read more.
donor–acceptorDonor–acceptor–π–acceptor–donor (D1-A1-π-A2/A3-D2)-type small molecules, such TPA-MC-2 and TPA-MC-3, were designed and synthesized starting from donor-substituted alkynes (TPA-MC-1) via [2 + 2] cycloaddition−retroelectrocyclization reaction with tetracyanoethylene (TCNE) and 7,7,8,8-tetracyanoquinodimethane (TCNQ) units, respectively. TPA-MC-2 and TPA-MC-3 chromophores differ on the A2/A3 acceptor subunit, which is 1,1,4,4-tetracyanobutadiene (TCBD) and a dicyanoquinodicyanomethane (DCQDCM), respectively. Both the derivative bearing same donors D1 (triphenylamine) and D2 (trimethylindolinm) and also same A1 (monocyano) as an acceptor, tetracyano with an aryl rings as the π-bridging moiety. The incorporation of TCNE and TCNQ as strong electron withdrawing units led to strong intramolecular charge-transfer (ICT) interactions, resulting in lower LUMO energy levels. Comparative UV–Vis absorption, fluorescence emission, and electrochemical and computational studies were performed to understand the effects of the TCNE and TCNQ subunits incorporated on TPA-MC-2 and TPA-MC-3, respectively. Full article
(This article belongs to the Special Issue Supramolecular Functional Materials)
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Review

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Open AccessReview
Supramolecular Gel as the Template for Catalysis, Inorganic Superstructure, and Pharmaceutical Crystallization
Int. J. Mol. Sci. 2019, 20(3), 781; https://doi.org/10.3390/ijms20030781
Received: 15 January 2019 / Revised: 7 February 2019 / Accepted: 11 February 2019 / Published: 12 February 2019
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Abstract
A supramolecular gel is a fascinating combination of flexibility and orderliness. While the supramolecular nature of crosslinking contributes towards the adaptivity and the reversibility of the system, orderliness at the molecular level amplifies the functional output and induces extraordinary selectivity into the system. [...] Read more.
A supramolecular gel is a fascinating combination of flexibility and orderliness. While the supramolecular nature of crosslinking contributes towards the adaptivity and the reversibility of the system, orderliness at the molecular level amplifies the functional output and induces extraordinary selectivity into the system. Therefore, use of supramolecular gels as the soft template is an emerging area of research, which includes but not limited to catalysis of a chemical or a photochemical process, transcription of gel property to a substrate, or even controlling the nucleation of drug molecules. This review aims to highlight the template effect of supramolecular gels in the above-mentioned areas relevant to novel fundamental chemistry, technology, and healthcare. Full article
(This article belongs to the Special Issue Supramolecular Functional Materials)
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Open AccessReview
Nanoreactor Design Based on Self-Assembling Protein Nanocages
Int. J. Mol. Sci. 2019, 20(3), 592; https://doi.org/10.3390/ijms20030592
Received: 1 January 2019 / Revised: 28 January 2019 / Accepted: 29 January 2019 / Published: 30 January 2019
Cited by 1 | PDF Full-text (3969 KB) | HTML Full-text | XML Full-text
Abstract
Self-assembling proteins that form diverse architectures are widely used in material science and nanobiotechnology. One class belongs to protein nanocages, which are compartments with nanosized internal spaces. Because of the precise nanoscale structures, proteinaceous compartments are ideal materials for use as general platforms [...] Read more.
Self-assembling proteins that form diverse architectures are widely used in material science and nanobiotechnology. One class belongs to protein nanocages, which are compartments with nanosized internal spaces. Because of the precise nanoscale structures, proteinaceous compartments are ideal materials for use as general platforms to create distinct microenvironments within confined cellular environments. This spatial organization strategy brings several advantages including the protection of catalyst cargo, faster turnover rates, and avoiding side reactions. Inspired by diverse molecular machines in nature, bioengineers have developed a variety of self-assembling supramolecular protein cages for use as biosynthetic nanoreactors that mimic natural systems. In this mini-review, we summarize current progress and ongoing efforts creating self-assembling protein based nanoreactors and their use in biocatalysis and synthetic biology. We also highlight the prospects for future research on these versatile nanomaterials. Full article
(This article belongs to the Special Issue Supramolecular Functional Materials)
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Int. J. Mol. Sci. EISSN 1422-0067 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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