Special Issue "Organic-Inorganic Hybrid Nanomaterials"

A special issue of Nanomaterials (ISSN 2079-4991).

Deadline for manuscript submissions: 1 September 2018

Special Issue Editor

Guest Editor
Prof. Dr. Valentine P. Ananikov

N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russia
Website | E-Mail
Interests: molecular complexity and transformations; metal complexes and nanoparticles; development of new generation of highly-active nanosized and molecular catalysts; mechanistic studies of chemical reactions by experimental and theoretical methods

Special Issue Information

Dear Colleagues,

It is a great pleasure for me to invite you to submit a manuscript to the Special Issue "Organic–Inorganic Hybrid Nanomaterials", which will be published in the journal Nanomaterials.

This Special Issue targets interdisciplinary state-of-the-art research articles, communications, and reviews. Two rapidly developing vectors are currently emerging in hybrid systems studies: stable and transient hybrid systems. Combining individual contributions from these areas will allow us to produce a most impactful journal issue:

1) Stable hybrid systems

Hybrid nanomaterials that contain organic components (organic groups or molecules, ligands, biomolecules, pharmaceutical substances, polymers, etc.) and inorganic components (metal ions, metal clusters or particles, salts, oxides, sulfides, non-metallic elements and their derivatives, etc.) play a paramount role in contemporary research. Advanced molecular architectures based on hybrid nanomaterials admittedly provide an outstanding driving force for the active progress in several research areas, including the development of new platforms for drug delivery, smart and stimuli-responsive materials, sensors, as well as nanomedicine, industrial technologies, material sciences, and energy applications.

2) Transient hybrid systems

Linking organic molecules to metal nanoparticles may create highly reactive hybrid organic–inorganic systems. Despite the short lifetime of such nanostructures, they ensure facile chemical activation of organic molecules. Their key applications arise in the fields of catalysis and organic synthesis, where nanomaterials are currently promoting a new wave of highly active and selective catalyst development. Top-notch scientific reports on nanoparticle catalysis, dynamic catalysis or “сocktail-type” catalysis are highly welcomed and definitely fall within the scope of this Special Issue.

Thus, submissions regarding Stable hybrid systems or Transient hybrid systems are cordially invited.

Please note that Nanomaterials is an open access journal, and the whole Special Issue will be freely available for all readers across the world. Information about open access options and conditions is provided at the journal website.

Prof. Dr. Valentine P. Ananikov
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. Nanomaterials is an international peer-reviewed open access monthly 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 1500 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

  • hybrid nanomaterials
  • organic nanomaterials
  • inorganic nanoparticles
  • composite materials
  • nanomaterials for catalysis
  • polymeric nanomaterials

Published Papers (3 papers)

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Research

Open AccessArticle Effect of Phenolic Compounds on the Synthesis of Gold Nanoparticles and its Catalytic Activity in the Reduction of Nitro Compounds
Nanomaterials 2018, 8(5), 320; https://doi.org/10.3390/nano8050320
Received: 17 April 2018 / Revised: 5 May 2018 / Accepted: 8 May 2018 / Published: 10 May 2018
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Abstract
Gold nanoparticles (AuNPs) were prepared using an eco-friendly approach in a single step by reduction of HAuCl4 with polyphenols from tea extracts, which act as both reducing and capping agents. The obtained AuNPs were characterized by scanning electron microscopy (SEM), transmission electron
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Gold nanoparticles (AuNPs) were prepared using an eco-friendly approach in a single step by reduction of HAuCl4 with polyphenols from tea extracts, which act as both reducing and capping agents. The obtained AuNPs were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), ultraviolet–visible spectroscopy (UV–vis), and X-ray photoelectron spectroscopy (XPS). They act as highly efficient catalysts in the reduction of various aromatic nitro compounds in aqueous solution. The effects of a variety of factors (e.g., reaction time, type and amount of reducing agent, shape, size, or amount of AuNPs) were studied towards the optimization of the processes. The total polyphenol content (TPC) was determined before and after the catalytic reaction and the results are discussed in terms of the tea extract percentage, the size of the AuNPs, and their catalytic activity. The reusability of the AuNP catalyst in the reduction of 4-nitrophenol was also tested. The reactions follow pseudo first-order kinetics. Full article
(This article belongs to the Special Issue Organic-Inorganic Hybrid Nanomaterials)
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Open AccessArticle Synthesis of Iron Oxide/Gold Composite Nanoparticles Using Polyethyleneimine as a Polymeric Active Stabilizer for Development of a Dual Imaging Probe
Nanomaterials 2018, 8(5), 300; https://doi.org/10.3390/nano8050300
Received: 5 April 2018 / Revised: 27 April 2018 / Accepted: 3 May 2018 / Published: 5 May 2018
Cited by 1 | PDF Full-text (14159 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
The combination of magnetic and plasmonic properties using iron oxide/gold nanocomposite particles is crucial for the development of multimodal molecular imaging probes. In this study, iron oxide/gold composite nanoparticles (NanoIOGs) were synthesized via the on-site reduction of an Au precursor salt by polyethyleneimine
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The combination of magnetic and plasmonic properties using iron oxide/gold nanocomposite particles is crucial for the development of multimodal molecular imaging probes. In this study, iron oxide/gold composite nanoparticles (NanoIOGs) were synthesized via the on-site reduction of an Au precursor salt by polyethyleneimine (PEI) molecules attached to iron oxide nanoparticles (IONPs), and they were employed in magnetic resonance and dark-field microscope imaging. PEI is considered as a polymeric active stabilizer (PAS), acting as a reducing agent for the synthesis of Au and a dispersant for nanoparticles. When the IONPs prepared at the PEI concentration of 0.02 wt. % were used for the NanoIOG synthesis, Au nanoseeds were formed around the IONPs. The alloy clusters of IONPs/Au crystals were produced with further reduction depending on PEI concentration. The NanoIOGs exhibited superparamagnetism in a magnetic field and plasmonic response in a dark-field (DF) microscope. The sizes, morphologies, magnetizations, and r2 relaxivities of NanoIOGs were affected significantly by the amount of PEI added during the NanoIOG synthesis. It is suggested that the PAS-mediated synthesis is simple and effective, and can be applied to various nanostructured Au-metal alloys. Full article
(This article belongs to the Special Issue Organic-Inorganic Hybrid Nanomaterials)
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Graphical abstract

Open AccessArticle Hybrid Drug Delivery Patches Based on Spherical Cellulose Nanocrystals and Colloid Titania—Synthesis and Antibacterial Properties
Nanomaterials 2018, 8(4), 228; https://doi.org/10.3390/nano8040228
Received: 14 February 2018 / Revised: 5 April 2018 / Accepted: 6 April 2018 / Published: 8 April 2018
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Abstract
Spherical cellulose nanocrystal-based hybrids grafted with titania nanoparticles were successfully produced for topical drug delivery. The conventional analytical filter paper was used as a precursor material for cellulose nanocrystals (CNC) production. Cellulose nanocrystals were extracted via a simple and quick two-step process based
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Spherical cellulose nanocrystal-based hybrids grafted with titania nanoparticles were successfully produced for topical drug delivery. The conventional analytical filter paper was used as a precursor material for cellulose nanocrystals (CNC) production. Cellulose nanocrystals were extracted via a simple and quick two-step process based on first the complexation with Cu(II) solution in aqueous ammonia followed by acid hydrolysis with diluted H2SO4. Triclosan was selected as a model drug for complexation with titania and further introduction into the nanocellulose based composite. Obtained materials were characterized by a broad variety of microscopic, spectroscopic, and thermal analysis methods. The drug release studies showed long-term release profiles of triclosan from the titania based nanocomposite that agreed with Higuchi model. The bacterial susceptibility tests demonstrated that released triclosan retained its antibacterial activity against Escherichia coli and Staphylococcus aureus. It was found that a small amount of titania significantly improved the antibacterial activity of obtained nanocomposites, even without immobilization of model drug. Thus, the developed hybrid patches are highly promising candidates for potential application as antibacterial agents. Full article
(This article belongs to the Special Issue Organic-Inorganic Hybrid Nanomaterials)
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