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Molecular Insight into Novel Coatings: Design, Synthesis, and Applications

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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 (25 March 2024) | Viewed by 5555

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Special Issue Editors

Dr. Dmitry V. Mashtalyar

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Guest Editor

Institute of Chemistry, Far Eastern Branch, Russian Academy of Sciences, Vladivostok 690022, Russia
Interests: multifunctional composite coatings; nanosized materials; plasma electrolytic oxidation; morphological structure; impedance spectroscopy; protective properties; nanoparticles

Dr. Konstantine V. Nadaraia

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Guest Editor

Institute of Chemistry, Far Eastern Branch, Russian Academy of Sciences, Vladivostok 690022, Russia
Interests: composite coatings; antibacterial coatings; plasma electrolytic oxidation; osteogenesis; osseointegration; bioresorbable implants; corrosion; wear

Special Issue Information

Dear Colleagues,

Currently, various methods of surface modification and for the design of new coatings are widely used in many industries: from aviation and space technology to medicine and the creation of high-tech devices. Surface modification can endow a material with completely new properties. Therefore, using special coatings, it is possible, for example, to change the wettability of the material, obtaining a superhydrophobic surface from a hydrophilic one. By creating new surface layers, it is possible to impart biocompatible and bioactive properties to initially inert materials. Photocatalytic coatings are also receiving increasing attention, as are materials that use the surface as an energy store. All this opens a wide window of opportunity not only for creating a new generation of functional coatings , but also for a more detailed study of the processes occurring on the surface of various materials, their interactions, and mechanisms. Undoubtedly, the design of coatings of new generation requires detailed knowledge of the molecular mechanism of the synthesis of such surface layers. Particular attention is currently being paid to molecular interactions between substances in the case of obtaining complex, multilayer structures.

This Special Issue is dedicated to all types of surface modification in order to create and develop new coatings. The purpose of this Issue is to demonstrate the current trends in surface engineering, highlight the most promising development paths, and outline the approaches that have already been developed. In this case, special attention will be paid to the mechanisms of synthesis of surface structures, the description of intermolecular interactions that arise not only in the process of obtaining a coating, but also in the course of its further functioning. This Special Issue will provide an opportunity to more fully explore not only applied, but also fundamental, aspects of the design of surfaces with special properties.

Dr. Dmitry V. Mashtalyar
Dr. Konstantine V. Nadaraia
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. 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. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. 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

composite coatings
protective coatings
antibacterial coatings
superhydrophobic coatings
superhydrophilic coatings
anti-icing coatings
bioactive coatings
photocatalytic coatings

Published Papers (3 papers)

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Research

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16 pages, 8011 KiB

Open AccessArticle

Polymer System Based on Polyethylene Glycol and TFE Telomers for Producing Films with Switchable Wettability

by Evgeniy Belov, Konstantine Nadaraia, Igor Imshinetskiy, Dmitry Mashtalyar, Lidia Ignatieva, Yurii Marchenko, Ivan Osmushko, Maria Gerasimenko, Sergey Sinebruykhov and Sergey Gnedenkov

Int. J. Mol. Sci. 2024, 25(9), 4904; https://doi.org/10.3390/ijms25094904 - 30 Apr 2024

Viewed by 447

Abstract

Today a lot of attention is paid to the formation of thermosensitive systems for biomedical and industrial applications. The development of new methods for synthesis of such systems is a dynamically developing direction in chemistry and materials science. In this regard, this paper presents results of the studies of a new synthesized supramolecular polymer system based on polyethylene glycol and tetrafluoroethylene telomers. The films formed from the polymer substance have the property of switching wettability depending on temperature after heating activation. It has been established that the wettability changes at 60 °C. The contact angle of activated hydrophobic polymer film reaches 143°. Additionally, the system exhibits its properties regardless of the pH of the environment. Based on data obtained by the methods of infrared and x-ray photoelectron spectroscopy, differential thermal analysis and thermal analysis in conjunction with wettability and morphology, a model of the behavior of molecules in a polymer system was built that ensures switching of the hydrophilic/hydrophobic surface state. The resulting polymer system, as well as films based on it, can be used in targeted drug delivery, implantation surgery, as sensors, etc. Full article

(This article belongs to the Special Issue Molecular Insight into Novel Coatings: Design, Synthesis, and Applications)

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13 pages, 2744 KiB

Open AccessArticle

Incorporating Ceragenins into Coatings Protects Peripherally Inserted Central Catheter Lines against Pathogen Colonization for Multiple Weeks

by Aaron Zaugg, Elliot Sherren, Rebekah Yi, Tessa Larsen, Brayden Dyck, Sierra Stump, Fetutasi Pauga, Anna Linder, Meg Takara, Emily Gardner, Spencer Shin, Jace Pulsipher and Paul B. Savage

Int. J. Mol. Sci. 2023, 24(19), 14923; https://doi.org/10.3390/ijms241914923 - 5 Oct 2023

Cited by 1 | Viewed by 1439

Abstract

Healthcare-acquired infections and multi-drug resistance in pathogens pose a major crisis for the healthcare industry. Novel antibiotics which are effective against resistant strains and unlikely to elicit strong resistance are sought after in these settings. We have previously developed synthetic mimics of ubiquitous antimicrobial peptides and have worked to apply a lead compound, CSA-131, to the crisis. We aimed to generate a system of CSA-131-containing coatings for medical devices that can be adjusted to match elution and compound load for various environments and establish their efficacy in preventing the growth of common pathogens in and around these devices. Peripherally inserted central catheter (PICC) lines were selected for our substrate in this work, and a polyurethane-based system was used to establish coatings for evaluation. Microbial challenges by methicillin-resistant Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumoniae, and Candida albicans were performed and SEM was used to evaluate coating structure and colonization. The results indicate that selected coatings show activity against selected planktonic pathogens that extend between 16 and 33 days, with similar periods of biofilm prevention. Full article

(This article belongs to the Special Issue Molecular Insight into Novel Coatings: Design, Synthesis, and Applications)

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Review

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19 pages, 1327 KiB

Open AccessReview

Advances in Sol-Gel-Based Superhydrophobic Coatings for Wood: A Review

by Yudong Wang, Shangjie Ge-Zhang, Pingxuan Mu, Xueqing Wang, Shaoyi Li, Lingling Qiao and Hongbo Mu

Int. J. Mol. Sci. 2023, 24(11), 9675; https://doi.org/10.3390/ijms24119675 - 2 Jun 2023

Cited by 8 | Viewed by 3087

Abstract

As the focus of architecture, furniture, and other fields, wood has attracted extensive attention for its many advantages, such as environmental friendliness and excellent mechanical properties. Inspired by the wetting model of natural lotus leaves, researchers prepared superhydrophobic coatings with strong mechanical properties and good durability on the modified wood surface. The prepared superhydrophobic coating has achieved functions such as oil-water separation and self-cleaning. At present, some methods such as the sol-gel method, the etching method, graft copolymerization, and the layer-by-layer self-assembly method can be used to prepare superhydrophobic surfaces, which are widely used in biology, the textile industry, national defense, the military industry, and many other fields. However, most methods for preparing superhydrophobic coatings on wood surfaces are limited by reaction conditions and process control, with low coating preparation efficiency and insufficiently fine nanostructures. The sol-gel process is suitable for large-scale industrial production due to its simple preparation method, easy process control, and low cost. In this paper, the research progress on wood superhydrophobic coatings is summarized. Taking the sol-gel method with silicide as an example, the preparation methods of superhydrophobic coatings on wood surfaces under different acid-base catalysis processes are discussed in detail. The latest progress in the preparation of superhydrophobic coatings by the sol-gel method at home and abroad is reviewed, and the future development of superhydrophobic surfaces is prospected. Full article

(This article belongs to the Special Issue Molecular Insight into Novel Coatings: Design, Synthesis, and Applications)

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