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Supramolecular Functional Materials
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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) | Viewed by 22111

Special Issue Editor

Prof. Sheshanath V Bhosale

E-Mail Website
Guest Editor
Department of Chemistry, Goa University Taleigao Plateau, Goa 403 206, INDIA RMIT University, GPO Box 2476, Melbourne VIC 3001, Australia
Interests: nanomaterials; supramolecular chemistry; sensors; bioorganic chemistry; artificial photosynthesis; organic solar cells
Special Issues, Collections and Topics in MDPI journals

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

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Keywords

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

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Published Papers (4 papers)

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Research

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14 pages, 3037 KiB  
Article
Graphene Nanoplatelet- and Hydroxyapatite-Doped Supramolecular Electrospun Fibers as Potential Materials for Tissue Engineering and Cell Culture
by Vassilis Kostopoulos, Athanasios Kotrotsos and Kalliopi Fouriki
Int. J. Mol. Sci. 2019, 20(7), 1674; https://doi.org/10.3390/ijms20071674 - 3 Apr 2019
Cited by 10 | Viewed by 3053
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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14 pages, 2703 KiB  
Article
Triphenylamine-Merocyanine-Based D1-A1-π-A2/A3-D2 Chromophore System: Synthesis, Optoelectronic, and Theoretical Studies
by Pedada Srinivasa Rao, Avinash L. Puyad, Sidhanath V. Bhosale and Sheshanath V. Bhosale
Int. J. Mol. Sci. 2019, 20(7), 1621; https://doi.org/10.3390/ijms20071621 - 1 Apr 2019
Cited by 9 | Viewed by 3704
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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22 pages, 11366 KiB  
Review
Supramolecular Gel as the Template for Catalysis, Inorganic Superstructure, and Pharmaceutical Crystallization
by Arnab Dawn
Int. J. Mol. Sci. 2019, 20(3), 781; https://doi.org/10.3390/ijms20030781 - 12 Feb 2019
Cited by 42 | Viewed by 5729
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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12 pages, 3969 KiB  
Review
Nanoreactor Design Based on Self-Assembling Protein Nanocages
by Huimei Ren, Shaozhou Zhu and Guojun Zheng
Int. J. Mol. Sci. 2019, 20(3), 592; https://doi.org/10.3390/ijms20030592 - 30 Jan 2019
Cited by 30 | Viewed by 8908
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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