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Novel Green Nanotechnologies Applied in Environmental Protection and Health—2nd Edition
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Novel Green Nanotechnologies Applied in Environmental Protection and Health—2nd Edition

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Nanomaterials and Nanotechnology".

Deadline for manuscript submissions: 20 August 2025 | Viewed by 2888

Special Issue Editors

Dr. Marcela-Elisabeta Barbinta-Patrascu

E-Mail Website
Guest Editor
Department of Electricity, Solid-State Physics and Biophysics, Faculty of Physics, University of Bucharest, 405 Atomistilor Street, P.O. Box MG-11, 077125 Magurele, Romania
Interests: eco-nanotechnology; nanoMetals; metal-based nanoparticles as bio-pesticides; green nanotechnology; multifunctional biogenic metal nanoparticles and biohybrids; eco-friendly methods to obtain antioxidant; antimicrobial and antitumoral metal-based nanomaterials; biohybrids; biomimetics; bioinspiration; artificial cell membranes; bioplastics; genetics; bioenergetics; green chemistry; (bio)chemistry; biophysics
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Nicoleta Badea

E-Mail Website
Guest Editor
Department of General Chemistry, Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology POLITEHNICA of Bucharest, 1 Polizu Street, 011061 Bucharest, Romania
Interests: green nanoparticles; lipid nanoparticles; natural extracts; encapsulation; antioxidant activity; drug delivery; photoprotection
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Ileana Rau

E-Mail Website
Guest Editor
Department of General Chemistry, Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politehnica of Bucharest, 1 Polizu Street, 011061 Bucharest, Romania
Interests: bio-based materials with medical applications; natural extracts; collagen-based materials; chitosan-based materials; DNA-based materials; bio-based materials with optical applications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Humanity is currently facing challenges due to environmental pollution. Several tons of plastic or industrial waste is randomly dumped into the environment, polluting waters and soils and thus creating multiple health issues for all living things. To keep the Earth clean, we need to adopt eco-friendly strategies that sustain human and environmental health. Green nanotechnology—the science of the future—can help in preventing future environmental problems and in improving quality of life and well-being. In addition, bioinspiration and biomimetics have become new trends in green nanotechnology for the “green” development of multifunctional materials with potential applications in the biomedical field and in environmental protection.

This Special Issue invites authors to contribute original research articles and review papers that describe novel green nanotechnologies applied in the design of eco-friendly materials, by exploiting natural resources, and recycling food and vegetable wastes and converting them into valuable materials with applications in various fields.

Potential topics include, but are not limited to, the following:

  • Eco-nanotechnologies and advanced materials;
  • Environmental and biomedical applications of green nanomaterials;
  • Eco-friendly strategies for development of (bio)composite/(bio)polymeric materials;
  • Bioinspiration/biomimetics for development of novel materials; 3D (bio)printing;
  • Bioplastics/eco-friendly packaging materials;
  • “Green” strategies for wastewater treatment;
  • Biomedical applications of (nano)materials; drug delivery systems;
  • Biopesticides;
  • Eco-friendly corrosion inhibitors;
  • “Green” materials and technologies for electronics.

Dr. Marcela-Elisabeta Barbinta-Patrascu
Prof. Dr. Nicoleta Badea
Prof. Dr. Ileana Rau
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. Materials 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 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

  • green synthesis and characterization of nanoparticles/nanomaterials
  • biocomposites/biopolymers in green nanotechnology/sustainable materials
  • bioplastics/bio-based polymers
  • eco-nanotechnology
  • biopesticides
  • green inhibitors of corrosion
  • wastewater treatment and photocatalysis
  • biological activity of nanoparticles/nanomaterials, and antioxidant and antimicrobial activity
  • drug delivery systems
  • 3D (bio)printing

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

Published Papers (3 papers)

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Research

19 pages, 4011 KiB  
Article
The Role of Crosslinking Agents in the Development of Collagen–Hydroxyapatite Composite Materials for Bone Tissue Engineering
by Alina Florentina Vladu, Madalina Georgiana Albu Kaya, Roxana Doina Truşcă, Ludmila Motelica, Vasile-Adrian Surdu, Ovidiu Cristian Oprea, Rodica Roxana Constantinescu, Bogdan Cazan, Denisa Ficai, Ecaterina Andronescu and Anton Ficai
Materials 2025, 18(5), 998; https://doi.org/10.3390/ma18050998 - 24 Feb 2025
Viewed by 606
Abstract
The lack of bone grafts represents a major issue in the orthopedic field, reconstructive surgery, and dentistry. There are several bone conditions that often demand the use of grafts, such as fractures, infections, and bone cancer. The number of bone cancer cases increased [...] Read more.
The lack of bone grafts represents a major issue in the orthopedic field, reconstructive surgery, and dentistry. There are several bone conditions that often demand the use of grafts, such as fractures, infections, and bone cancer. The number of bone cancer cases increased in the past few decades and along with it, the need for bone grafting materials. To avoid the use of autografts and allografts there has been an increased interest towards synthetic grafts. This research aims to develop some collagen/hydroxyapatite (Coll/HAp) scaffolds cross-linked with three different agents that could be used in bone tissue engineering (BTE). These scaffolds were obtained with a freeze-drying method after the in situ formation of hydroxyapatite inside the collagen matrix. They were structurally and morphologically characterized and evaluated in terms of antimicrobial activity on E. coli and S. aureus bacterial strains. The results revealed that the scaffolds have porous structures with interconnected pores of suitable dimensions and well-distributed inorganic phases. Coll/HAp samples showed great antibacterial activity even without the use of typically used antibacterial agents. These findings allow us to conclude that these scaffolds are promising candidates for use in BTE and bone cancer treatment after the incorporation of specific antitumoral drugs. Full article
(This article belongs to the Special Issue Novel Green Nanotechnologies Applied in Environmental Protection and Health—2nd Edition)
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23 pages, 4551 KiB  
Article
The Influence of Basil and Cinnamon Essential Oils on Bioactive Sponge Composites of Collagen Reinforced with Hydroxyapatite
by Alina Robu, Madalina Georgiana Albu Kaya, Aurora Antoniac, Durmuș Alpaslan Kaya, Alina Elena Coman, Maria-Minodora Marin, Robert Ciocoiu, Rodica Roxana Constantinescu and Iulian Antoniac
Materials 2025, 18(3), 626; https://doi.org/10.3390/ma18030626 - 30 Jan 2025
Viewed by 902
Abstract
The increasing prevalence of acute traumas, surgical wounds, and chronic skin wounds poses significant therapeutic challenges for wound treatment. One of the main concerns in wound care is the danger of infection, which is a significant barrier to healing and a cause of [...] Read more.
The increasing prevalence of acute traumas, surgical wounds, and chronic skin wounds poses significant therapeutic challenges for wound treatment. One of the main concerns in wound care is the danger of infection, which is a significant barrier to healing and a cause of higher morbidity and mortality rates. The emergence of drug-resistant bacterial species is becoming more frequent every day. Antimicrobial dressings have become a viable strategy for wound healing and hospital expense savings. Several factors, such as the wound’s localization and state, microbial load, and cost, must be considered when choosing an appropriate antimicrobial dressing. One of the key goals of wound care is infection avoidance. This study addresses the therapeutic challenges of acute traumas, surgical wounds, and chronic skin wounds, focusing on infection prevention and combating drug-resistant bacterial strains. The research explores the development of novel composite wound dressings incorporating hydroxyapatite, known for its osteoconductive properties, and essential oils from basil and cinnamon, recognized for their antimicrobial activity. The study evaluates the impact of these additives on key properties such as surface morphology, water absorption, enzymatic degradation, and mechanical performance. Antimicrobial tests showed that two experimental samples (A1S and A1BS) exhibited significant activity against Escherichia coli but not on Staphylococcus aureus. The results highlight the dressings’ enhanced antimicrobial properties, mechanical strength, and controlled degradation, making them promising candidates for advanced wound healing. Tailored applications were identified, with each dressing composition offering unique benefits for specific wound-healing scenarios based on the balance between flexibility, structural support, and bioactivity. Full article
(This article belongs to the Special Issue Novel Green Nanotechnologies Applied in Environmental Protection and Health—2nd Edition)
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14 pages, 3881 KiB  
Article
In-Depth Characterization of Two Bioactive Coatings Obtained Using MAPLE on TiTaZrAg
by Mariana Prodana, Andrei Bogdan Stoian, Daniela Ionita, Simona Brajnicov, Iulian Boerasu, Marius Enachescu and Cristian Burnei
Materials 2024, 17(12), 2989; https://doi.org/10.3390/ma17122989 - 18 Jun 2024
Cited by 3 | Viewed by 888
Abstract
TiZrTaAg alloy is a remarkable material with exceptional properties, making it a unique choice among various industrial applications. In the present study, two types of bioactive coatings using MAPLE were obtained on a TiZrTaAg substrate. The base coating consisted in a mixture of [...] Read more.
TiZrTaAg alloy is a remarkable material with exceptional properties, making it a unique choice among various industrial applications. In the present study, two types of bioactive coatings using MAPLE were obtained on a TiZrTaAg substrate. The base coating consisted in a mixture of chitosan and bioglass in which zinc oxide and graphene oxide were added. The samples were characterized in-depth through a varied choice of methods to provide a more complete picture of the two types of bioactive coating. The analysis included Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), ellipsometry, and micro-Raman. The Vickers hardness test was used to determine the hardness of the films and the penetration depth. Film adhesion forces were determined using atomic force microscopy (AFM). The corrosion rate was highlighted by polarization curves and by using electrochemical impedance spectroscopy (EIS). The performed tests revealed that the composite coatings improve the properties of the TiZrTaAg alloy, making them feasible for future use as scaffold materials or in implantology. Full article
(This article belongs to the Special Issue Novel Green Nanotechnologies Applied in Environmental Protection and Health—2nd Edition)
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