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Coatings
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Coatings with Natural Products
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Coatings with Natural Products

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Bioactive Coatings and Biointerfaces".

Deadline for manuscript submissions: closed (30 November 2025) | Viewed by 15682

Special Issue Editor

Dr. Camelia Ungureanu

E-Mail Website
Guest Editor
Department of General Chemistry, Faculty of Chemical Engineering and Biotechnologies, The National University of Science and Technology POLITEHNICA Bucharest, Gheorghe Polizu 1-7 Street, 011061 Bucharest, Romania
Interests: biotechnology; food chemistry; antimicrobial activity
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Research on novel bio coatings has grown in recent years, attracting interest from academic and industrial researchers worldwide, particularly in the biomedical applications of nanotechnology, driven by the outstanding benefits that their translation can offer, e.g., enhancement of sensitivity and efficacy and safety of existing diagnostic, treatment, and combination strategies.

In this Special Issue, we expect contributions from a broad community of scientists working on application of bio-based coatings in biology/medicine and interdisciplinary teams.

In particular, the topics of interest include but are not limited to the safety of novel biocoatings intended for use on humans.

  • Coatings with antimicrobial properties;
  • Coatings preparation through green chemistry strategies;
  • Coatings with added natural functional ingredients;
  • Applications of bio-based coatings.

Dr. Camelia Ungureanu
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 250 words) can be sent to the Editorial Office for assessment.

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. Coatings 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 2600 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

  • plant extract
  • natural compound
  • natural coating
  • antimicrobial
  • functional coatings

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (4 papers)

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Editorial

Jump to: Research, Review

3 pages, 185 KB  
Editorial
Coatings with Natural Products—One Perspective on the Challenges Related to New Coatings’ Development
by Camelia Ungureanu
Coatings 2022, 12(7), 941; https://doi.org/10.3390/coatings12070941 - 2 Jul 2022
Cited by 3 | Viewed by 1771
Abstract
Currently, bacterial infection resulting from the prolonged use of medical devices in contact with the human body is a major problem [...] Full article
(This article belongs to the Special Issue Coatings with Natural Products)

Research

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14 pages, 2317 KB  
Article
Shrimp-Derived Chitosan for the Formulation of Active Films with Mexican Propolis: Physicochemical and Functional Evaluation of the Biomaterial
by Alejandra Delgado-Lozano, Pedro Alberto Ledesma-Prado, César Leyva-Porras, Lydia Paulina Loya-Hernández, César Iván Romo-Sáenz, Carlos Arzate-Quintana, Manuel Román-Aguirre, María Alejandra Favila-Pérez, Alva Rocío Castillo-González and Celia María Quiñonez-Flores
Coatings 2026, 16(1), 124; https://doi.org/10.3390/coatings16010124 - 17 Jan 2026
Cited by 1 | Viewed by 712
Abstract
The development of functional biomaterials based on natural polymers has gained increasing relevance due to the growing demand for sustainable and bioactive alternatives for biomedical and technological applications. In this study, chitosan was obtained from shrimp exoskeletons and used to formulate active films [...] Read more.
The development of functional biomaterials based on natural polymers has gained increasing relevance due to the growing demand for sustainable and bioactive alternatives for biomedical and technological applications. In this study, chitosan was obtained from shrimp exoskeletons and used to formulate active films enriched with Mexican propolis, aiming to evaluate the influence of the extract on the physicochemical and functional properties of the resulting biomaterial. Propolis was incorporated into the chitosan film-forming solution at a final concentration of 1.0% (v/v). The propolis employed met the requirements of the Mexican Official Standard NOM-003-SAG/GAN-2017 regarding flavonoid content, total phenolic compounds, and antimicrobial activity; additionally, it was evaluated through antioxidant activity, hemolysis, and acute toxicity (LD50) assays to provide a broader biological and safety assessment. The extracted chitosan exhibited a degree of deacetylation of 74% and characteristic FTIR spectral features comparable to those of commercial chitosan, confirming the quality of the obtained polymer. Chitosan–propolis films exhibited antimicrobial activity against Staphylococcus aureus, Escherichia coli, and Candida albicans, whereas pure chitosan films showed no inhibitory effect. Thermal analyses (TGA/DSC) revealed a slight reduction in thermal stability due to the incorporation of thermolabile polyphenolic compounds, along with increased thermal complexity of the system. SEM observations demonstrated reduced microbial adhesion and marked morphological damage in microorganisms exposed to the functionalized films. Overall, the incorporation of Mexican propolis enabled the development of a hybrid biomaterial with enhanced antimicrobial performance and potential application in wound dressings and bioactive coatings. Full article
(This article belongs to the Special Issue Coatings with Natural Products)
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Review

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26 pages, 4768 KB  
Review
Biosensors in Food and Healthcare Industries: Bio-Coatings Based on Biogenic Nanoparticles and Biopolymers
by Melania Popescu and Camelia Ungureanu
Coatings 2023, 13(3), 486; https://doi.org/10.3390/coatings13030486 - 22 Feb 2023
Cited by 32 | Viewed by 7897
Abstract
Biosensors use biological materials, such as enzymes, antibodies, or DNA, to detect specific analytes. These devices have numerous applications in the health and food industries, such as disease diagnosis, food safety monitoring, and environmental monitoring. However, the production of biosensors can result in [...] Read more.
Biosensors use biological materials, such as enzymes, antibodies, or DNA, to detect specific analytes. These devices have numerous applications in the health and food industries, such as disease diagnosis, food safety monitoring, and environmental monitoring. However, the production of biosensors can result in the generation of chemical waste, which is an environmental concern for the developed world. To address this issue, researchers have been exploring eco-friendly alternatives for immobilising biomolecules on biosensors. One solution uses bio-coatings derived from nanoparticles synthesised via green chemistry and biopolymers. These materials offer several advantages over traditional chemical coatings, such as improved sensitivity, stability, and biocompatibility. In conclusion, the use of bio-coatings derived from green-chemistry synthesised nanoparticles and biopolymers is a promising solution to the problem of chemical waste generated from the production of biosensors. This review provides an overview of these materials and their applications in the health and food industries, highlighting their potential to improve the performance and sustainability of biosensors. Full article
(This article belongs to the Special Issue Coatings with Natural Products)
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16 pages, 1977 KB  
Review
Sustainable Use of Cruciferous Wastes in Nanotechnological Applications
by Camelia Ungureanu, Irina Fierascu and Radu Claudiu Fierascu
Coatings 2022, 12(6), 769; https://doi.org/10.3390/coatings12060769 - 3 Jun 2022
Cited by 8 | Viewed by 3723
Abstract
Over the last few years, new nanoparticle preparation methods have emerged by replacing the usual reagents with plant extracts obtained in different conditions. An example of a natural plant extract is those of cruciferous vegetables, to obtain the new bio-nano-coatings. Given the composition [...] Read more.
Over the last few years, new nanoparticle preparation methods have emerged by replacing the usual reagents with plant extracts obtained in different conditions. An example of a natural plant extract is those of cruciferous vegetables, to obtain the new bio-nano-coatings. Given the composition of cruciferous extracts and large amounts of wastes produced all over the world, they can be successful substitutes to replace conventional coatings and extend the possibility of “smart coatings“. The present review aims to be a critical discussion regarding the application of cruciferous waste in nanotechnological applications. This review paper can be a starting report for different researchers who intend to use this sustainable approach “from green to nanotechnology” to transpose manufacturing from laboratory to industry. Applying this approach to obtain nanostructures with plant waste highlights the importance of minimizing and re-utilizing residues from primary and secondary processing via chemical and social intervention, in order to contribute to the sustainability needs of the planet and its inhabitants. Full article
(This article belongs to the Special Issue Coatings with Natural Products)
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