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Stoica (Oprea) AE, Bîrcă AC, Mihaiescu DE, Grumezescu AM, Ficai A, Herman H, Cornel B, Roșu M, Gharbia S, Holban AM, Vasile BȘ, Andronescu E, Hermenean AO. Biocompatibility and Antimicrobial Profile of Acid Usnic-Loaded Electrospun Recycled Polyethylene Terephthalate (PET)-Magnetite Nanofibers. Polymers (Basel) 2023; 15:3282. [PMID: 37571176 PMCID: PMC10422401 DOI: 10.3390/polym15153282] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 07/21/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
The highest amount of the world's polyethylene terephthalate (PET) is designated for fiber production (more than 60%) and food packaging (30%) and it is one of the major polluting polymers. Although there is a great interest in recycling PET-based materials, a large amount of unrecycled material is derived mostly from the food and textile industries. The aim of this study was to obtain and characterize nanostructured membranes with fibrillar consistency based on recycled PET and nanoparticles (Fe3O4@UA) using the electrospinning technique. The obtained fibers limit microbial colonization and the development of biofilms. Such fibers could significantly impact modern food packaging and the design of improved textile fibers with antimicrobial effects and good biocompatibility. In conclusion, this study suggests an alternative for PET recycling and further applies it in the development of antimicrobial biomaterials.
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Affiliation(s)
- Alexandra Elena Stoica (Oprea)
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 060042 Bucharest, Romania; (A.E.S.); (A.M.G.); (E.A.)
| | - Alexandra Catalina Bîrcă
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 060042 Bucharest, Romania; (A.E.S.); (A.M.G.); (E.A.)
| | - Dan Eduard Mihaiescu
- Department of Organic Chemistry, University Politehnica of Bucharest, 011061 Bucharest, Romania;
| | - Alexandru Mihai Grumezescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 060042 Bucharest, Romania; (A.E.S.); (A.M.G.); (E.A.)
- ICUB—Research Institute of the University of Bucharest, 060102 Bucharest, Romania
- Academy of Romanian Scientists, Ilfov No. 3, 050044 Bucharest, Romania
| | - Anton Ficai
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 060042 Bucharest, Romania; (A.E.S.); (A.M.G.); (E.A.)
- Academy of Romanian Scientists, Ilfov No. 3, 050044 Bucharest, Romania
| | - Hildegard Herman
- Institute of Life Sciences, Vasile Goldis Western University of Arad, 310414 Arad, Romania; (H.H.); (S.G.); (A.O.H.)
| | - Baltă Cornel
- Institute of Life Sciences, Vasile Goldis Western University of Arad, 310414 Arad, Romania; (H.H.); (S.G.); (A.O.H.)
| | - Marcel Roșu
- Institute of Life Sciences, Vasile Goldis Western University of Arad, 310414 Arad, Romania; (H.H.); (S.G.); (A.O.H.)
| | - Sami Gharbia
- Institute of Life Sciences, Vasile Goldis Western University of Arad, 310414 Arad, Romania; (H.H.); (S.G.); (A.O.H.)
| | - Alina Maria Holban
- Microbiology Immunology Department, Faculty of Biology, University of Bucharest, 030018 Bucharest, Romania;
| | - Bogdan Ștefan Vasile
- National Research Center for Micro and Nanomaterials, University Politehnica of Bucharest, 060042 Bucharest, Romania;
- Research Center for Advanced Materials, Products and Processes, University Politehnica of Bucharest, 060042 Bucharest, Romania
| | - Ecaterina Andronescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 060042 Bucharest, Romania; (A.E.S.); (A.M.G.); (E.A.)
- ICUB—Research Institute of the University of Bucharest, 060102 Bucharest, Romania
| | - Anca Oana Hermenean
- Institute of Life Sciences, Vasile Goldis Western University of Arad, 310414 Arad, Romania; (H.H.); (S.G.); (A.O.H.)
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Jabbari F, Babaeipour V. Bacterial cellulose as a potential biopolymer for wound care. A review. INT J POLYM MATER PO 2023. [DOI: 10.1080/00914037.2023.2167080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Farzaneh Jabbari
- Nanotechnology and Advanced Materials Department, Materials and Energy Research Center, Tehran, Iran
| | - Valiollah Babaeipour
- Faculty of Chemistry and Chemical Engineering, Malek Ashtar University of Technology, Tehran, Iran
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Magnetite-Based Nanostructured Coatings Functionalized with Nigella sativa and Dicloxacillin for Improved Wound Dressings. Antibiotics (Basel) 2022; 12:antibiotics12010059. [PMID: 36671260 PMCID: PMC9854499 DOI: 10.3390/antibiotics12010059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/14/2022] [Accepted: 12/20/2022] [Indexed: 01/01/2023] Open
Abstract
In this study, we report the performance improvement of wound dressings by covering them with magnetite-based nanostructured coatings. The magnetite nanoparticles (Fe3O4 NPs) were functionalized with Nigella sativa (N. sativa) powder/essential oil and dicloxacillin and were synthesized as coatings by matrix assisted pulsed laser evaporation (MAPLE). The expected effects of this combination of materials are: (i) to reduce microbial contamination, and (ii) to promote rapid wound healing. The crystalline nature of core/shell Fe3O4 NPs and coatings was determined by X-ray diffraction (XRD). Differential Scanning Calorimetry (DSC) and Thermo Gravimetric Analysis (TGA) have been coupled to investigate the stability and thermal degradation of core/shell nanoparticle components. The coatings' morphology was examined by scanning electron microscopy (SEM). The distribution of chemical elements and functional groups in the resulting coatings was evidenced by Fourier transform infrared (FTIR) spectrometry. In order to simulate the interaction between wound dressings and epithelial tissues and to evaluate the drug release in time, the samples were immersed in simulated body fluid (SBF) and investigated after different durations of time. The antimicrobial effect was evaluated in planktonic (free-floating) and attached (biofilms) bacteria models. The biocompatibility and regenerative properties of the nanostructured coatings were evaluated in vitro, at cellular, biochemical, and the molecular level. The obtained results show that magnetite-based nanostructured coatings functionalized with N. sativa and dicloxacillin are biocompatible and show an enhanced antimicrobial effect against Gram positive and Gram negative opportunistic bacteria.
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Bhadauria SS, Malviya R. Advancement in Nanoformulations for the Management of Diabetic Wound Healing. Endocr Metab Immune Disord Drug Targets 2022; 22:911-926. [PMID: 35249512 DOI: 10.2174/1871530322666220304214106] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 12/01/2021] [Accepted: 01/07/2022] [Indexed: 11/22/2022]
Abstract
People with diabetes have a very slow tendency for wound healing. Wound healing is a vast process where several factors inhibit the sequence of healing. Nano formulation plays a major role during acute and chronic wound healing. The present manuscript aims to discuss the role of nanoformulation in the treatment of diabetic wound healing. Diabetes is a common disease that has harmful consequences which lead to bad health. During the literature survey, it was observed that nanotechnology has significant advantages in the treatment of diabetic wound healing. The present manuscript summarized the role of nanomaterials in wound healing, challenges in diabetic wound healing, physiology of wound healing, a limitation that comes during wound repair, and treatments available for wound healing. After a comprehensive literature survey, it can be concluded that health worker needs more focus on the area of wound healing in diabetic patients. Medical practitioners, pharmaceutical and biomedical researchers need more attention towards the utilization of nanoformulations for the treatment of wound healing, specifically in the case of diabetes.
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Affiliation(s)
- Shailendra Singh Bhadauria
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
| | - Rishabha Malviya
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
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Mallick S, Nag M, Lahiri D, Pandit S, Sarkar T, Pati S, Nirmal NP, Edinur HA, Kari ZA, Ahmad Mohd Zain MR, Ray RR. Engineered Nanotechnology: An Effective Therapeutic Platform for the Chronic Cutaneous Wound. NANOMATERIALS 2022; 12:nano12050778. [PMID: 35269266 PMCID: PMC8911807 DOI: 10.3390/nano12050778] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 02/02/2022] [Accepted: 02/06/2022] [Indexed: 12/27/2022]
Abstract
The healing of chronic wound infections, especially cutaneous wounds, involves a complex cascade of events demanding mutual interaction between immunity and other natural host processes. Wound infections are caused by the consortia of microbial species that keep on proliferating and produce various types of virulence factors that cause the development of chronic infections. The mono- or polymicrobial nature of surface wound infections is best characterized by its ability to form biofilm that renders antimicrobial resistance to commonly administered drugs due to poor biofilm matrix permeability. With an increasing incidence of chronic wound biofilm infections, there is an urgent need for non-conventional antimicrobial approaches, such as developing nanomaterials that have intrinsic antimicrobial-antibiofilm properties modulating the biochemical or biophysical parameters in the wound microenvironment in order to cause disruption and removal of biofilms, such as designing nanomaterials as efficient drug-delivery vehicles carrying antibiotics, bioactive compounds, growth factor antioxidants or stem cells reaching the infection sites and having a distinct mechanism of action in comparison to antibiotics—functionalized nanoparticles (NPs) for better incursion through the biofilm matrix. NPs are thought to act by modulating the microbial colonization and biofilm formation in wounds due to their differential particle size, shape, surface charge and composition through alterations in bacterial cell membrane composition, as well as their conductivity, loss of respiratory activity, generation of reactive oxygen species (ROS), nitrosation of cysteines of proteins, lipid peroxidation, DNA unwinding and modulation of metabolic pathways. For the treatment of chronic wounds, extensive research is ongoing to explore a variety of nanoplatforms, including metallic and nonmetallic NPs, nanofibers and self-accumulating nanocarriers. As the use of the magnetic nanoparticle (MNP)-entrenched pre-designed hydrogel sheet (MPS) is found to enhance wound healing, the bio-nanocomposites consisting of bacterial cellulose and magnetic nanoparticles (magnetite) are now successfully used for the healing of chronic wounds. With the objective of precise targeting, some kinds of “intelligent” nanoparticles are constructed to react according to the required environment, which are later incorporated in the dressings, so that the wound can be treated with nano-impregnated dressing material in situ. For the effective healing of skin wounds, high-expressing, transiently modified stem cells, controlled by nano 3D architectures, have been developed to encourage angiogenesis and tissue regeneration. In order to overcome the challenge of time and dose constraints during drug administration, the approach of combinatorial nano therapy is adopted, whereby AI will help to exploit the full potential of nanomedicine to treat chronic wounds.
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Affiliation(s)
- Suhasini Mallick
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Nadia 741249, India;
| | - Moupriya Nag
- Department of Biotechnology, University of Engineering & Management, Kolkata 700156, India; (M.N.); (D.L.)
| | - Dibyajit Lahiri
- Department of Biotechnology, University of Engineering & Management, Kolkata 700156, India; (M.N.); (D.L.)
| | - Soumya Pandit
- Department of Life Sciences, Sharda University, Noida 201310, India;
| | - Tanmay Sarkar
- Department of Food Processing Technology, Malda Polytechnic, West Bengal State Council of Technical Education, Government of West Bengal, Malda 732102, India;
| | - Siddhartha Pati
- NatNov Bioscience Private Limited, Balasore 756001, India;
- Skills Innovation & Academic Network (SIAN) Institute, Association for Biodiversity Conservation & Research (ABC), Balasore 756001, India
| | - Nilesh Prakash Nirmal
- Institute of Nutrition, Mahidol University, 999 Phutthamonthon 4 Road, Salaya, Nakhon Pathom 73170, Thailand;
| | - Hisham Atan Edinur
- School of Health Sciences, Health Campus, Universiti Sains Malaysia, Kubang Kerian 16150, Malaysia;
| | - Zulhisyam Abdul Kari
- Department of Agricultural Science, Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli 17600, Malaysia
- Correspondence: (Z.A.K.); (M.R.A.M.Z.); (R.R.R.)
| | - Muhammad Rajaei Ahmad Mohd Zain
- Department of Orthopaedics, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Malaysia
- Correspondence: (Z.A.K.); (M.R.A.M.Z.); (R.R.R.)
| | - Rina Rani Ray
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Nadia 741249, India;
- Correspondence: (Z.A.K.); (M.R.A.M.Z.); (R.R.R.)
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Nanoparticles—Attractive Carriers of Antimicrobial Essential Oils. Antibiotics (Basel) 2022; 11:antibiotics11010108. [PMID: 35052985 PMCID: PMC8773333 DOI: 10.3390/antibiotics11010108] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/08/2022] [Accepted: 01/11/2022] [Indexed: 02/04/2023] Open
Abstract
Microbial pathogens are the most prevalent cause of chronic infections and fatalities around the world. Antimicrobial agents including antibiotics have been frequently utilized in the treatment of infections due to their exceptional outcomes. However, their widespread use has resulted in the emergence of multidrug-resistant strains of bacteria, fungi, viruses, and parasites. Furthermore, due to inherent resistance to antimicrobial drugs and the host defence system, the advent of new infectious diseases, chronic infections, and the occurrence of biofilms pose a tougher challenge to the current treatment line. Essential oils (EOs) and their biologically and structurally diverse constituents provide a distinctive, inexhaustible, and novel source of antibacterial, antiviral, antifungal, and antiparasitic agents. However, due to their volatile nature, chemical susceptibility, and poor solubility, their development as antimicrobials is limited. Nanoparticles composed of biodegradable polymeric and inorganic materials have been studied extensively to overcome these limitations. Nanoparticles are being investigated as nanocarriers for antimicrobial delivery, antimicrobial coatings for food products, implantable devices, and medicinal materials in dressings and packaging materials due to their intrinsic capacity to overcome microbial resistance. Essential oil-loaded nanoparticles may offer the potential benefits of synergism in antimicrobial activity, high loading capacity, increased solubility, decreased volatility, chemical stability, and enhancement of the bioavailability and shelf life of EOs and their constituents. This review focuses on the potentiation of the antimicrobial activity of essential oils and their constituents in nanoparticulate delivery systems for a wide range of applications, such as food preservation, packaging, and alternative treatments for infectious diseases.
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Spirescu VA, Niculescu AG, Slave Ș, Bîrcă AC, Dorcioman G, Grumezescu V, Holban AM, Oprea OC, Vasile BȘ, Grumezescu AM, Nica IC, Stan MS, Andronescu E. Anti-Biofilm Coatings Based on Chitosan and Lysozyme Functionalized Magnetite Nanoparticles. Antibiotics (Basel) 2021; 10:1269. [PMID: 34680849 PMCID: PMC8532956 DOI: 10.3390/antibiotics10101269] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/13/2021] [Accepted: 10/15/2021] [Indexed: 12/25/2022] Open
Abstract
Biofilms represent a common and increasingly challenging problem in healthcare practices worldwide, producing persistent and difficult to manage infections. Researchers have started developing antibiotic-free treatment alternatives in order to decrease the risk of resistant microbial strain selection and for the efficient management of antibiotic tolerant biofilm infections. The present study reports the fabrication and characterization of magnetite-based nanostructured coatings for producing biofilm-resistant surfaces. Specifically, magnetite nanoparticles (Fe3O4) were functionalized with chitosan (CS) and were blended with lysozyme (LyZ) and were deposited using the matrix-assisted pulsed laser evaporation (MAPLE) technique. A variety of characterization techniques were employed to investigate the physicochemical properties of both nanoparticles and nanocoatings. The biological characterization of the coatings assessed through cell viability and antimicrobial tests showed biocompatibility on osteoblasts as well as antiadhesive and antibiofilm activity against both Gram-negative and Gram-positive bacterial strains and no cytotoxic effect against human-cultured diploid cells.
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Affiliation(s)
- Vera Alexandra Spirescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (A.-G.N.); (Ș.S.); (A.C.B.); (B.Ș.V.); (E.A.)
| | - Adelina-Gabriela Niculescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (A.-G.N.); (Ș.S.); (A.C.B.); (B.Ș.V.); (E.A.)
| | - Ștefan Slave
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (A.-G.N.); (Ș.S.); (A.C.B.); (B.Ș.V.); (E.A.)
| | - Alexandra Cătalina Bîrcă
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (A.-G.N.); (Ș.S.); (A.C.B.); (B.Ș.V.); (E.A.)
| | - Gabriela Dorcioman
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 077125 Magurele, Romania; (G.D.); (V.G.)
| | - Valentina Grumezescu
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 077125 Magurele, Romania; (G.D.); (V.G.)
| | - Alina Maria Holban
- Department of Microbiology and Immunology, Faculty of Biology, University of Bucharest, 077206 Bucharest, Romania;
| | - Ovidiu-Cristian Oprea
- Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Applied Chemistry and Materials Science, Politehnica University of Bucharest, 011061 Bucharest, Romania;
| | - Bogdan Ștefan Vasile
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (A.-G.N.); (Ș.S.); (A.C.B.); (B.Ș.V.); (E.A.)
| | - Alexandru Mihai Grumezescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (A.-G.N.); (Ș.S.); (A.C.B.); (B.Ș.V.); (E.A.)
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 050657 Bucharest, Romania
- Academy of Romanian Scientists, Ilfov No. 3, 50044 Bucharest, Romania; (I.C.N.); (M.S.S.)
| | - Ionela Cristina Nica
- Academy of Romanian Scientists, Ilfov No. 3, 50044 Bucharest, Romania; (I.C.N.); (M.S.S.)
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania
| | - Miruna Silvia Stan
- Academy of Romanian Scientists, Ilfov No. 3, 50044 Bucharest, Romania; (I.C.N.); (M.S.S.)
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania
| | - Ecaterina Andronescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 011061 Bucharest, Romania; (V.A.S.); (A.-G.N.); (Ș.S.); (A.C.B.); (B.Ș.V.); (E.A.)
- Academy of Romanian Scientists, Ilfov No. 3, 50044 Bucharest, Romania; (I.C.N.); (M.S.S.)
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Niculescu AG, Chircov C, Grumezescu AM. Magnetite nanoparticles: Synthesis methods - A comparative review. Methods 2021; 199:16-27. [PMID: 33915292 DOI: 10.1016/j.ymeth.2021.04.018] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 04/18/2021] [Accepted: 04/22/2021] [Indexed: 12/28/2022] Open
Abstract
Iron oxide-based nanoparticles have gathered tremendous scientific interest towards their application in a variety of fields. Magnetite has been particularly investigated due to its readily availability, versatility, biocompatibility, biodegradability, and special magnetic properties. As the behavior of nano-scale magnetite is in direct relation to its shape, size, and surface chemistry, accurate control over the nanoparticle synthesis process is essential in obtaining quality products for the intended end uses. Several chemical, physical, and biological methods are found in the literature and implemented in the laboratory or industrial practice. However, non-conventional methods emerged in recent years to bring unprecedented synthesis performances in terms of better-controlled morphologies, sizes, and size distribution. Particularly, microfluidic methods represent a promising technology towards smaller reagent volume use, waste reduction, precise control of fluid mixing, and ease of automation, overcoming some of the major drawbacks of conventional bulk methods. This review aims to present the main properties, applications, and synthesis methods of magnetite, together with the newest advancements in this field.
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Affiliation(s)
| | - Cristina Chircov
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 011061 Bucharest, Romania.
| | - Alexandru Mihai Grumezescu
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 011061 Bucharest, Romania; Research Institute of the University of Bucharest-ICUB, University of Bucharest, 050657 Bucharest, Romania.
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Mylkie K, Nowak P, Rybczynski P, Ziegler-Borowska M. Polymer-Coated Magnetite Nanoparticles for Protein Immobilization. MATERIALS (BASEL, SWITZERLAND) 2021; 14:E248. [PMID: 33419055 PMCID: PMC7825442 DOI: 10.3390/ma14020248] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 12/26/2020] [Accepted: 12/28/2020] [Indexed: 11/20/2022]
Abstract
Since their discovery, magnetic nanoparticles (MNPs) have become materials with great potential, especially considering the applications of biomedical sciences. A series of works on the preparation, characterization, and application of MNPs has shown that the biological activity of such materials depends on their size, shape, core, and shell nature. Some of the most commonly used MNPs are those based on a magnetite core. On the other hand, synthetic biopolymers are used as a protective surface coating for these nanoparticles. This review describes the advances in the field of polymer-coated MNPs for protein immobilization over the past decade. General methods of MNP preparation and protein immobilization are presented. The most extensive section of this article discusses the latest work on the use of polymer-coated MNPs for the physical and chemical immobilization of three types of proteins: enzymes, antibodies, and serum proteins. Where possible, the effectiveness of the immobilization and the activity and use of the immobilized protein are reported. Finally, the information available in the peer-reviewed literature and the application perspectives for the MNP-immobilized protein systems are summarized as well.
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Affiliation(s)
| | | | | | - Marta Ziegler-Borowska
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland; (K.M.); (P.N.); (P.R.)
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Synthesis and Electrochemical Characterisation of Magnetite Coatings on Ti6Al4V-ELI. METALS 2020. [DOI: 10.3390/met10121640] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Titanium alloys have been widely employed in implant materials owing to their biocompatibility. The primary limitation of these materials is their poor performance in applications involving surfaces in mutual contact and under load or relative motion because of their low wear resistance. The aim of this work is to synthesis magnetite coatings on the Ti6Al4V-ELI alloy surface to increase corrosion resistance and to evaluate its electrochemical behaviour. The coatings were obtained using potentiostatic pulse-assisted coprecipitation (PP-CP) on a Ti6Al4V-ELI substrate. The preliminary X-Ray Diffraction (XRD) results indicate the presence of the magnetite coating with 8–10 nm crystal sizes, determined for the (311) plane. Using X-ray photoelectron spectroscopy (XPS), the presence of the magnetite phase on the titanium alloy was observed. Magnetite coating was homogeneous over the full surface and increased the roughness with respect to the substrate. For the corrosion potential behaviour, the Ti6Al4V-ELI showed a modified Ecorr that was less active from the presence of the magnetite coating, and the impedance values were higher than the reference samples without coating. From the polarization curves, the current density of the sample with magnetite was smaller than of bare titanium.
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Mihai AD, Chircov C, Grumezescu AM, Holban AM. Magnetite Nanoparticles and Essential Oils Systems for Advanced Antibacterial Therapies. Int J Mol Sci 2020; 21:ijms21197355. [PMID: 33027980 PMCID: PMC7582471 DOI: 10.3390/ijms21197355] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/28/2020] [Accepted: 09/30/2020] [Indexed: 12/12/2022] Open
Abstract
Essential oils (EOs) have attracted considerable interest in the past few years, with increasing evidence of their antibacterial, antiviral, antifungal, and insecticidal effects. However, as they are highly volatile, the administration of EOs to achieve the desired effects is challenging. Therefore, nanotechnology-based strategies for developing nanoscaled carriers for their efficient delivery might offer potential solutions. Owing to their biocompatibility, biodegradability, low toxicity, ability to target a tissue specifically, and primary structures that allow for the attachment of various therapeutics, magnetite nanoparticles (MNPs) are an example of such nanocarriers that could be used for the efficient delivery of EOs for antimicrobial therapies. The aim of this paper is to provide an overview of the use of EOs as antibacterial agents when coupled with magnetite nanoparticles (NPs), emphasizing the synthesis, properties and functionalization of such NPs to enhance their efficiency. In this manner, systems comprising EOs and MNPs could offer potential solutions that could overcome the challenges associated with biofilm formation on prosthetic devices and antibiotic-resistant bacteria by ensuring a controlled and sustained release of the antibacterial agents.
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Affiliation(s)
- Antonio David Mihai
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.D.M.); (C.C.)
| | - Cristina Chircov
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.D.M.); (C.C.)
| | - Alexandru Mihai Grumezescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.D.M.); (C.C.)
- Correspondence: or ; Tel.: +40-21-318-1000
| | - Alina Maria Holban
- Microbiology-Immunology Department, Faculty of Biology, University of Bucharest, 1–3 Portocalelor Lane, Sector 5, 77206 Bucharest, Romania; or
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Barroso A, Mestre H, Ascenso A, Simões S, Reis C. Nanomaterials in wound healing: From material sciences to wound healing applications. NANO SELECT 2020. [DOI: 10.1002/nano.202000055] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Affiliation(s)
- Andreia Barroso
- Faculty of Pharmacy, Universidade de Lisboa Avenida Professor Gama Pinto Lisboa 1649‐003 Portugal
| | - Henrique Mestre
- Faculty of Pharmacy, Universidade de Lisboa Avenida Professor Gama Pinto Lisboa 1649‐003 Portugal
| | - Andreia Ascenso
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa Avenida Professor Gama Pinto Lisboa 1649‐003 Portugal
| | - Sandra Simões
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa Avenida Professor Gama Pinto Lisboa 1649‐003 Portugal
| | - Catarina Reis
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa Avenida Professor Gama Pinto Lisboa 1649‐003 Portugal
- IBEB, Biophysics and Biomedical Engineering, Faculty of Sciences Universidade de Lisboa Campo Grande Lisboa 1649‐016 Portugal
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Miguel MG, Lourenço JP, Faleiro ML. Superparamagnetic Iron Oxide Nanoparticles and Essential Oils: A New Tool for Biological Applications. Int J Mol Sci 2020; 21:E6633. [PMID: 32927821 PMCID: PMC7555169 DOI: 10.3390/ijms21186633] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 09/02/2020] [Accepted: 09/03/2020] [Indexed: 02/07/2023] Open
Abstract
Essential oils are complex mixtures of volatile compounds with diverse biological properties. Antimicrobial activity has been attributed to the essential oils as well as their capacity to prevent pathogenic microorganisms from forming biofilms. The search of compounds or methodologies with this capacity is of great importance due to the fact that the adherence of these pathogenic microorganisms to surfaces largely contributes to antibiotic resistance. Superparamagnetic iron oxide nanoparticles have been assayed for diverse biomedical applications due to their biocompatibility and low toxicity. Several methods have been developed in order to obtain functionalized magnetite nanoparticles with adequate size, shape, size distribution, surface, and magnetic properties for medical applications. Essential oils have been evaluated as modifiers of the surface magnetite nanoparticles for improving their stabilization but particularly to prevent the growth of microorganisms. This review aims to provide an overview on the current knowledge about the use of superparamagnetic iron oxide nanoparticles and essential oils on the prevention of microbial adherence and consequent biofilm formation with the goal of being applied on the surface of medical devices. Some limitations found in the studies are discussed.
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Affiliation(s)
- Maria Graça Miguel
- Mediterranean Institute for Agriculture, Environment and Development, Faculty of Science and Technology, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - João Paulo Lourenço
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal;
- Centro de Investigação em Química do Algarve (CIQA), Departamento de Química e Farmácia, Faculdade de Ciências e Tecnologia, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Maria Leonor Faleiro
- CBMR, Algarve Biomedical Center, Faculdade de Ciências e Tecnologia, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal;
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14
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Croitoru AM, Ficai D, Ficai A, Mihailescu N, Andronescu E, Turculet CF. Nanostructured Fibers Containing Natural or Synthetic Bioactive Compounds in Wound Dressing Applications. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E2407. [PMID: 32456196 PMCID: PMC7287851 DOI: 10.3390/ma13102407] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/11/2020] [Accepted: 05/21/2020] [Indexed: 12/15/2022]
Abstract
The interest in wound healing characteristics of bioactive constituents and therapeutic agents, especially natural compounds, is increasing because of their therapeutic properties, cost-effectiveness, and few adverse effects. Lately, nanocarriers as a drug delivery system have been actively investigated and applied in medical and therapeutic applications. In recent decades, researchers have investigated the incorporation of natural or synthetic substances into novel bioactive electrospun nanofibrous architectures produced by the electrospinning method for skin substitutes. Therefore, the development of nanotechnology in the area of dressings that could provide higher performance and a synergistic effect for wound healing is needed. Natural compounds with antimicrobial, antibacterial, and anti-inflammatory activity in combination with nanostructured fibers represent a future approach due to the increased wound healing process and regeneration of the lost tissue. This paper presents different approaches in producing electrospun nanofibers, highlighting the electrospinning process used in fabricating innovative wound dressings that are able to release natural and/or synthetic substances in a controlled way, thus enhancing the healing process.
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Affiliation(s)
- Alexa-Maria Croitoru
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gh. Polizu St. 1-7, 011061 Bucharest, Romania; (A.-M.C.); (D.F.); (A.F.); (E.A.)
| | - Denisa Ficai
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gh. Polizu St. 1-7, 011061 Bucharest, Romania; (A.-M.C.); (D.F.); (A.F.); (E.A.)
| | - Anton Ficai
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gh. Polizu St. 1-7, 011061 Bucharest, Romania; (A.-M.C.); (D.F.); (A.F.); (E.A.)
- Academy of Romanian Scientists, Spl. Independentei 54, 050094 Bucharest, Romania
| | - Natalia Mihailescu
- Laser Department, National Institute for Laser, Plasma & Radiation Physics, Atomistilor St. 409, 077125 Magurele, Romania
| | - Ecaterina Andronescu
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gh. Polizu St. 1-7, 011061 Bucharest, Romania; (A.-M.C.); (D.F.); (A.F.); (E.A.)
- Academy of Romanian Scientists, Spl. Independentei 54, 050094 Bucharest, Romania
| | - Claudiu Florin Turculet
- Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, Eroii Sanitari St. 8, 050474 Bucharest, Romania;
- Emergency Hospital Floreasca Bucharest, Calea Floreasca St. 8, 014461 Bucharest, Romania
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15
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Popescu RC, Andronescu E, Vasile BS. Recent Advances in Magnetite Nanoparticle Functionalization for Nanomedicine. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1791. [PMID: 31888236 PMCID: PMC6956201 DOI: 10.3390/nano9121791] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 11/22/2019] [Accepted: 12/11/2019] [Indexed: 02/07/2023]
Abstract
Functionalization of nanomaterials can enhance and modulate their properties and behaviour, enabling characteristics suitable for medical applications. Magnetite (Fe3O4) nanoparticles are one of the most popular types of nanomaterials used in this field, and many technologies being already translated in clinical practice. This article makes a summary of the surface modification and functionalization approaches presented lately in the scientific literature for improving or modulating magnetite nanoparticles for their applications in nanomedicine.
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Affiliation(s)
- Roxana Cristina Popescu
- National Research Center for Micro and Nanomaterials, Department of Science and Oxide Materials and Nanomaterials, Politehnica University of Bucharest, 060042 Bucharest, Romania; (R.C.P.); (E.A.)
- Department of Life and Environmental Physics, “Horia Hulubei” National Institute for Physics and Nuclear Engineering, 077125 Magurele, Romania
| | - Ecaterina Andronescu
- National Research Center for Micro and Nanomaterials, Department of Science and Oxide Materials and Nanomaterials, Politehnica University of Bucharest, 060042 Bucharest, Romania; (R.C.P.); (E.A.)
| | - Bogdan Stefan Vasile
- National Research Center for Micro and Nanomaterials, Department of Science and Oxide Materials and Nanomaterials, Politehnica University of Bucharest, 060042 Bucharest, Romania; (R.C.P.); (E.A.)
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16
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Arias LS, Pessan JP, Vieira APM, Lima TMTD, Delbem ACB, Monteiro DR. Iron Oxide Nanoparticles for Biomedical Applications: A Perspective on Synthesis, Drugs, Antimicrobial Activity, and Toxicity. Antibiotics (Basel) 2018; 7:antibiotics7020046. [PMID: 29890753 PMCID: PMC6023022 DOI: 10.3390/antibiotics7020046] [Citation(s) in RCA: 295] [Impact Index Per Article: 49.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 06/01/2018] [Accepted: 06/07/2018] [Indexed: 12/26/2022] Open
Abstract
Medical applications and biotechnological advances, including magnetic resonance imaging, cell separation and detection, tissue repair, magnetic hyperthermia and drug delivery, have strongly benefited from employing iron oxide nanoparticles (IONPs) due to their remarkable properties, such as superparamagnetism, size and possibility of receiving a biocompatible coating. Ongoing research efforts focus on reducing drug concentration, toxicity, and other side effects, while increasing efficacy of IONPs-based treatments. This review highlights the methods of synthesis and presents the most recent reports in the literature regarding advances in drug delivery using IONPs-based systems, as well as their antimicrobial activity against different microorganisms. Furthermore, the toxicity of IONPs alone and constituting nanosystems is also addressed.
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Affiliation(s)
- Laís Salomão Arias
- Department of Pediatric Dentistry and Public Health, School of Dentistry, Araçatuba, São Paulo State University (Unesp), 16015-050 Araçatuba/São Paulo, Brazil.
| | - Juliano Pelim Pessan
- Department of Pediatric Dentistry and Public Health, School of Dentistry, Araçatuba, São Paulo State University (Unesp), 16015-050 Araçatuba/São Paulo, Brazil.
| | - Ana Paula Miranda Vieira
- Department of Pediatric Dentistry and Public Health, School of Dentistry, Araçatuba, São Paulo State University (Unesp), 16015-050 Araçatuba/São Paulo, Brazil.
| | - Taynara Maria Toito de Lima
- Graduate Program in Dentistry (GPD-Master's Degree), University of Western São Paulo (UNOESTE), 19050-920 Presidente Prudente/São Paulo, Brazil.
| | - Alberto Carlos Botazzo Delbem
- Department of Pediatric Dentistry and Public Health, School of Dentistry, Araçatuba, São Paulo State University (Unesp), 16015-050 Araçatuba/São Paulo, Brazil.
| | - Douglas Roberto Monteiro
- Graduate Program in Dentistry (GPD-Master's Degree), University of Western São Paulo (UNOESTE), 19050-920 Presidente Prudente/São Paulo, Brazil.
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17
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Nanocoatings for Chronic Wound Repair-Modulation of Microbial Colonization and Biofilm Formation. Int J Mol Sci 2018; 19:ijms19041179. [PMID: 29649179 PMCID: PMC5979353 DOI: 10.3390/ijms19041179] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Revised: 04/05/2018] [Accepted: 04/09/2018] [Indexed: 12/16/2022] Open
Abstract
Wound healing involves a complex interaction between immunity and other natural host processes, and to succeed it requires a well-defined cascade of events. Chronic wound infections can be mono- or polymicrobial but their major characteristic is their ability to develop a biofilm. A biofilm reduces the effectiveness of treatment and increases resistance. A biofilm is an ecosystem on its own, enabling the bacteria and the host to establish different social interactions, such as competition or cooperation. With an increasing incidence of chronic wounds and, implicitly, of chronic biofilm infections, there is a need for alternative therapeutic agents. Nanotechnology shows promising openings, either by the intrinsic antimicrobial properties of nanoparticles or their function as drug carriers. Nanoparticles and nanostructured coatings can be active at low concentrations toward a large variety of infectious agents; thus, they are unlikely to elicit emergence of resistance. Nanoparticles might contribute to the modulation of microbial colonization and biofilm formation in wounds. This comprehensive review comprises the pathogenesis of chronic wounds, the role of chronic wound colonization and infection in the healing process, the conventional and alternative topical therapeutic approaches designed to combat infection and stimulate healing, as well as revolutionizing therapies such as nanotechnology-based wound healing approaches.
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18
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Aydogdu MO, Oprea AE, Trusca R, Surdu AV, Ficai A, Holban AM, Iordache F, Paduraru AV, Filip DG, Altun E, Ekren N, Oktar FN, Gunduz O. Production and Characterization of Antimicrobial Electrospun Nanofibers Containing Polyurethane, Zirconium Oxide and Zeolite. BIONANOSCIENCE 2017. [DOI: 10.1007/s12668-017-0443-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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