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Eivazzadeh-Keihan R, Nokandeh SM, Aliabadi HAM, Lalebeigi F, Kashtiaray A, Mahdavi M, Sehat S, Cohan RA, Maleki A. Unveiling the synergy: Biocompatible alginate-cellulose hydrogel loaded with silk fibroin and zinc ferrite nanoparticles for enhanced cell adhesion, and anti-biofilm activity. Int J Biol Macromol 2024; 275:133412. [PMID: 38968915 DOI: 10.1016/j.ijbiomac.2024.133412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 06/19/2024] [Accepted: 06/23/2024] [Indexed: 07/07/2024]
Abstract
Combining a biocompatible hydrogel scaffold with the cell-supportive properties of silk fibroin (SF) and the unique functionalities of ZnFe2O4 nanoparticles creates a promising platform for advanced nanobiomaterials. The research is centered on synthesizing a natural hydrogel using cellulose (Cellul) and sodium alginate (SA) combined with SF and zinc ferrite nanoparticles. A range of analytical and biological assays were conducted to determine the biological and physicochemical properties of the nanobiocomposite. The hemolysis and 2,5-diphenyl-2H-tetrazolium bromide (MTT) assays indicated that the SA-Cellul hydrogel/SF/ZnFe2O4 nanobiocomposite was a biocompatible against human dermal fibroblasts (Hu02) and red blood cells (RBC). In addition, aside from demonstrating outstanding anti-biofilm activity, the nanobiocomposite also promotes the Hu02 cells adhesion, showcasing the synergistic effect of incorporating SF and ZnFe2O4 nanoparticle. These promising results show that this nanobiocomposite has potential applications in various biomedical fields.
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Affiliation(s)
- Reza Eivazzadeh-Keihan
- Nanobiotechnology Department, New Technologies Research Group, Pasteur Institute of Iran, Tehran, Iran; Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran.
| | - Seyedeh Mehrnoush Nokandeh
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
| | - Hooman Aghamirza Moghim Aliabadi
- Protein Chemistry Laboratory, Department of Medical Biotechnology, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran; Advanced Chemistry Studies Lab, Department of Chemistry, K. N. Toosi University of Technology, Tehran, Iran
| | - Farnaz Lalebeigi
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
| | - Amir Kashtiaray
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
| | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Saminalsadat Sehat
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
| | - Reza Ahangari Cohan
- Nanobiotechnology Department, New Technologies Research Group, Pasteur Institute of Iran, Tehran, Iran.
| | - Ali Maleki
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran.
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Lenart-Boroń A, Stankiewicz K, Dworak K, Bulanda K, Czernecka N, Ratajewicz A, Khachatryan K, Khachatryan G. Hyaluron-Based Bionanocomposites of Silver Nanoparticles with Graphene Oxide as Effective Growth Inhibitors of Wound-Derived Bacteria. Int J Mol Sci 2024; 25:6854. [PMID: 38999964 PMCID: PMC11241533 DOI: 10.3390/ijms25136854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 06/13/2024] [Accepted: 06/20/2024] [Indexed: 07/14/2024] Open
Abstract
Keeping wounds clean in small animals is a big challenge, which is why they often become infected, creating a risk of transmission to animal owners. Therefore, it is crucial to search for new biocompatible materials that have the potential to be used in smart wound dressings with both wound healing and bacteriostatic properties to prevent infection. In our previous work, we obtained innovative hyaluronate matrix-based bionanocomposites containing nanosilver and nanosilver/graphene oxide (Hyal/Ag and Hyal/Ag/GO). This study aimed to thoroughly examine the bacteriostatic properties of foils containing the previously developed bionanocomposites. The bacteriostatic activity was assessed in vitro on 88 Gram-positive (n = 51) and Gram-negative (n = 37) bacteria isolated from wounds of small animals and whose antimicrobial resistance patterns and resistance mechanisms were examined in an earlier study. Here, 69.32% of bacterial growth was inhibited by Hyal/Ag and 81.82% by Hyal/Ag/GO. The bionanocomposites appeared more effective against Gram-negative bacteria (growth inhibition of 75.68% and 89.19% by Hyal/Ag and Hyal/Ag/Go, respectively). The effectiveness of Hyal/Ag/GO against Gram-positive bacteria was also high (inhibition of 80.39% of strains), while Hyal/Ag inhibited the growth of 64.71% of Gram-positive bacteria. The effectiveness of Hyal/Ag and Hyal/Ag/Go varied depending on bacterial genus and species. Proteus (Gram-negative) and Enterococcus (Gram-positive) appeared to be the least susceptible to the bionanocomposites. Hyal/Ag most effectively inhibited the growth of non-pathogenic Gram-positive Sporosarcina luteola and Gram-negative Acinetobacter. Hyal/Ag/GO was most effective against Gram-positive Streptococcus and Gram-negative Moraxella osloensis. The Hyal/Ag/GO bionanocomposites proved to be very promising new antibacterial, biocompatible materials that could be used in the production of bioactive wound dressings.
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Affiliation(s)
- Anna Lenart-Boroń
- Department of Microbiology and Biomonitoring, Faculty of Agriculture and Economics, University of Agriculture in Kraków, Adam Mickiewicz Ave. 24/28, 30-059 Kraków, Poland
| | - Klaudia Stankiewicz
- Department of Microbiology and Biomonitoring, Faculty of Agriculture and Economics, University of Agriculture in Kraków, Adam Mickiewicz Ave. 24/28, 30-059 Kraków, Poland
| | - Kinga Dworak
- Diagnostyka S.A. Medical Microbiological Laboratory, Na Skarpie 66, 31-913 Kraków, Poland
| | - Klaudia Bulanda
- Department of Forest Ecosystems Protection, Faculty of Forestry, University of Agriculture in Kraków, 29 Listopada Ave. 46, 31-425 Kraków, Poland
| | - Natalia Czernecka
- Scientific Circle of Biotechnologists, Faculty of Biotechnology and Horticulture, University of Agriculture in Kraków, 29 Listopada Ave. 54, 31-425 Kraków, Poland
| | - Anna Ratajewicz
- Scientific Circle of Biotechnologists, Faculty of Biotechnology and Horticulture, University of Agriculture in Kraków, 29 Listopada Ave. 54, 31-425 Kraków, Poland
| | - Karen Khachatryan
- Laboratory of Nanomaterials and Nanotechnology, Faculty of Food Technology, University of Agriculture in Kraków, Balicka Street 122, 30-149 Kraków, Poland
| | - Gohar Khachatryan
- Department of Food Quality Analysis and Assessment, Faculty of Food Technology, University of Agriculture in Kraków, Balicka Street 122, 30-149 Kraków, Poland
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3
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Xiao S, Sun G, Huang S, Lin C, Li Y. Nanoarchitectonics-Based Materials as a Promising Strategy in the Treatment of Endodontic Infections. Pharmaceutics 2024; 16:759. [PMID: 38931881 PMCID: PMC11207628 DOI: 10.3390/pharmaceutics16060759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Revised: 05/19/2024] [Accepted: 05/29/2024] [Indexed: 06/28/2024] Open
Abstract
Endodontic infections arise from the interactive activities of microbial communities colonizing in the intricate root canal system. The present study aims to update the latest knowledge of nanomaterials, their antimicrobial mechanisms, and their applications in endodontics. A detailed literature review of the current knowledge of nanomaterials used in endodontic applications was performed using the PubMed database. Antimicrobial nanomaterials with a small size, large specific surface area, and high chemical activity are introduced to act as irrigants, photosensitizer delivery systems, and medicaments, or to modify sealers. The application of nanomaterials in the endodontic field could enhance antimicrobial efficiency, increase dentin tubule penetration, and improve treatment outcomes. This study supports the potential of nanomaterials as a promising strategy in treating endodontic infections.
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Affiliation(s)
- Suli Xiao
- Department of Endodontics, Stomatological Hospital of Xiamen Medical College, Xiamen 361003, China;
- Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen 361003, China
| | - Guanwen Sun
- Department of Stomatology, Fujian Medical University Xiamen Humanity Hospital, Xiamen 361018, China;
| | - Shan Huang
- Department of Stomatology, Zhongshan Hospital Affiliated to Xiamen University, Xiamen 361005, China;
| | - Chen Lin
- Department of Endodontics, Stomatological Hospital of Xiamen Medical College, Xiamen 361003, China;
- Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen 361003, China
| | - Yijun Li
- Department of Endodontics, Stomatological Hospital of Xiamen Medical College, Xiamen 361003, China;
- Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen 361003, China
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4
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Song S, Liu X, Ding L, Liu Z, Abubaker MA, Xu Y, Zhang J. A bacterial cellulose/polyvinyl alcohol/nitro graphene oxide double layer network hydrogel efficiency antibacterial and promotes wound healing. Int J Biol Macromol 2024; 269:131957. [PMID: 38692544 DOI: 10.1016/j.ijbiomac.2024.131957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 04/20/2024] [Accepted: 04/27/2024] [Indexed: 05/03/2024]
Abstract
In this study, graphene oxide (GO) was chemically modified utilizing concentrated nitric acid to produce a nitrated graphene oxide derivative (NGO) with enhanced oxidation level, improved dispersibility, and increased antibacterial activity. A double-layer composite hydrogel material (BC/PVA/NGO) with a core-shell structure was fabricated by utilizing bacterial cellulose (BC) and polyvinyl alcohol (PVA) binary composite hydrogel scaffold as the inner network template, and hydrophilic polymer (PVA) loaded with antibacterial material (NGO) as the outer network. The fabrication process involved physical crosslinking based on repeated freezing and thawing. The resulting BC/PVA/NGO hydrogel exhibited a porous structure, favorable mechanical properties, antibacterial efficacy, and biocompatibility. Subsequently, the performance of BC/PVA/NGO hydrogel in promoting wound healing was evaluated using a mouse skin injury model. The findings demonstrated that the BC/PVA/NGO hydrogel treatment group facilitated improved wound healing in the mouse skin injury model compared to the control group and the BC/PVA group. This enhanced wound healing capability was attributed primarily to the excellent antibacterial and tissue repair properties of the BC/PVA/NGO hydrogel.
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Affiliation(s)
- Shen Song
- College of Life Science, Northwest Normal University, Lanzhou 730070, China; New Rural Development Research Institute of Northwest Normal University, Lanzhou 730070, China.
| | - Xiaoyuan Liu
- Gansu Provincial Maternity and Child-care Hospital, Lanzhou 730050, China
| | - Ling Ding
- College of Life Science, Northwest Normal University, Lanzhou 730070, China; New Rural Development Research Institute of Northwest Normal University, Lanzhou 730070, China
| | - Zhao Liu
- National University of Singapore Suzhou Research Institute, Suzhou, China
| | - Mohamed Aamer Abubaker
- College of Life Science, Northwest Normal University, Lanzhou 730070, China; Department of Biology, Faculty of Education, University of Khartoum, Khartoum 11111, Sudan
| | - Yaqiang Xu
- College of Life Science, Northwest Normal University, Lanzhou 730070, China; New Rural Development Research Institute of Northwest Normal University, Lanzhou 730070, China
| | - Ji Zhang
- College of Life Science, Northwest Normal University, Lanzhou 730070, China; New Rural Development Research Institute of Northwest Normal University, Lanzhou 730070, China
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5
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Liu Z, Niu R, Li M, Li Z, Guo Y. A colorimetric and electrochemical dual-mode Hg 2+ sensor utilizing oxidase-like activity arising from the combination of Hg 2+ and palladium metal-organic framework@graphene. Mikrochim Acta 2024; 191:352. [PMID: 38806756 DOI: 10.1007/s00604-024-06438-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 05/14/2024] [Indexed: 05/30/2024]
Abstract
Developing convenient and reliable methods for Hg2+ monitoring is highly important. Some precious metal nanomaterials with intriguing peroxidase-like activity have been used for highly sensitive Hg2+ detection. However, H2O2 must be added during these detections, which impedes practical applications of Hg2+ sensors due to its susceptible decomposition by environmental factors. Herein, we discovered that the combination of Hg2+ and palladium metal-organic framework@graphene (Pd-MOF@GNs) exhibits oxidase-like activity (OXD). In the absence of H2O2, this activity not only catalyzes the oxidation of chromogenic substrates such as 3,3',5,5'-tetramethylbenzidine (TMB) or o-phenylenediamine (OPD) to produce a color change but also enhances the electrical signals during OPD oxidation. Based on these properties, an effective and convenient dual-mode colorimetric and electrochemical sensor for Hg2+ has been developed. The colorimetric and amperometric linear relationships for Hg2+ were 0.045 μM-0.25 mM and 0.020 μM-2.0 mM, respectively. The proposed strategy shows good recovery in real sample tests, indicating promising prospects for multiple environmental sample detection of Hg2+ without relying on H2O2. The colorimetric and electrochemical dual-mode Hg2+ sensor is expected to hold great potentials in applications such as environmental monitoring, rapid field detection, and integration into smartphone detection of Hg2+.
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Affiliation(s)
- Zhiguang Liu
- Institute of Environmental Science, Shanxi University, Taiyuan, 030006, China
| | - Ruxia Niu
- Institute of Environmental Science, Shanxi University, Taiyuan, 030006, China
| | - Miaomiao Li
- Institute of Environmental Science, Shanxi University, Taiyuan, 030006, China
| | - Zhiping Li
- Institute of Judicial Identification Techniques for Environmental Damage, Shanxi University and Shanxi Unisdom Testing Technology Co., Ltd., Taiyuan, 030006, China
| | - Yujing Guo
- Institute of Environmental Science, Shanxi University, Taiyuan, 030006, China.
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6
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Evseev ZI, Tarasova LA, Vasilieva FD, Egorova MN, Dmitriev PS, Akhremenko YA, Smagulova SA. Comparison of Antimicrobial Properties of Graphene Oxide-Based Materials, Carbon Dots, and Their Combinations Deposited on Cotton Fabrics. Int J Mol Sci 2024; 25:5328. [PMID: 38791366 PMCID: PMC11121348 DOI: 10.3390/ijms25105328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/03/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
The rise in the antibiotic resistance of bacteria has increased scientific interest in the study of materials with unique mechanisms of antimicrobial action. This paper presents the results of studies on the antimicrobial activity of carbon materials and textiles decorated with them. A comparative analysis of the bactericidal and fungicidal activities of graphene oxide, electrochemically exfoliated multigraphene, carbon dots, and their combinations was performed. Microbiological studies on reference strains of E. coli, S. aureus, and C. albicans showed that graphene oxide inhibited growth with up to 98% efficiency. Electrochemically exfoliated multigraphene was less effective (up to 40%). This study found no significant antimicrobial activity of carbon dots and the combination of carbon dots with graphene oxide significantly weakened their effectiveness. However, the combination of electrochemically exfoliated multigraphene and carbon dots exhibits a synergistic effect (up to 76%). A study on the antimicrobial activity of decorated cotton textiles demonstrated the effectiveness of antimicrobial textiles with graphene oxide, electrochemically exfoliated multigraphene, and a combination of carbon dots with electrochemically exfoliated multigraphene.
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Affiliation(s)
- Zakhar Ivanovich Evseev
- Institute of Physics and Technologies, North-Eastern Federal University, 677000 Yakutsk, Russia; (Z.I.E.); (M.N.E.); (S.A.S.)
| | | | - Fedora Dmitrievna Vasilieva
- Institute of Physics and Technologies, North-Eastern Federal University, 677000 Yakutsk, Russia; (Z.I.E.); (M.N.E.); (S.A.S.)
| | - Marfa Nikitichna Egorova
- Institute of Physics and Technologies, North-Eastern Federal University, 677000 Yakutsk, Russia; (Z.I.E.); (M.N.E.); (S.A.S.)
| | - Petr Stanislavovich Dmitriev
- Institute of Physics and Technologies, North-Eastern Federal University, 677000 Yakutsk, Russia; (Z.I.E.); (M.N.E.); (S.A.S.)
| | | | - Svetlana Afanasyevna Smagulova
- Institute of Physics and Technologies, North-Eastern Federal University, 677000 Yakutsk, Russia; (Z.I.E.); (M.N.E.); (S.A.S.)
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7
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Hussein AH, Yassir YA. Graphene as a promising material in orthodontics: A review. J Orthod Sci 2024; 13:24. [PMID: 38784078 PMCID: PMC11114461 DOI: 10.4103/jos.jos_3_24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 02/01/2024] [Accepted: 02/12/2024] [Indexed: 05/25/2024] Open
Abstract
Graphene is an extraordinary material with unique mechanical, chemical, and thermal properties. Additionally, it boasts high surface area and antimicrobial properties, making it an attractive option for researchers exploring innovative materials for biomedical applications. Although there have been various studies on graphene applications in different biomedical fields, limited reviews have been conducted on its use in dentistry, and no reviews have focused on its application in the orthodontic field. This review aims to present a comprehensive overview of graphene-based materials, with an emphasis on their antibacterial mechanisms and the factors that influence these properties. Additionally, the review summarizes the dental applications of graphene, spotlighting the studies of its orthodontic application as they can be used to enhance the antibacterial and mechanical properties of orthodontic materials such as adhesives, archwires, and splints. Also, they can be utilized to enhance bone remodeling during orthodontic tooth movement. An electronic search was carried out in Scopus, PubMed, Science Direct, and Wiley Online Library digital database platforms using graphene and orthodontics as keywords. The search was restricted to English language publications without a time limit. This review highlights the need for further laboratory and clinical research using graphene-based materials to improve the properties of orthodontic materials to make them available for clinical use.
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Affiliation(s)
- Afaf H. Hussein
- Department of Orthodontics, College of Dentistry, University of Baghdad, Baghdad, Iraq
| | - Yassir A. Yassir
- Department of Orthodontics, College of Dentistry, University of Baghdad, Baghdad, Iraq
- Department of Orthodontics, School of Dentistry, University of Dundee, UK
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8
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Yin H, Bai X, Zhang F, Yang Z. Dual single atomic Ni sites constructing Janus hollow graphene for boosting electrochemical sensing of glucose. Mikrochim Acta 2024; 191:314. [PMID: 38720024 DOI: 10.1007/s00604-024-06377-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 04/20/2024] [Indexed: 06/11/2024]
Abstract
Single atom catalysts (SACs) have attracted attention due to their excellent catalysis activity under specific reactions and conditions. However, the low density of SACs greatly limits catalytic performance. The three-dimensional graphene hollow nanospheres (GHSs) with very thin shell structure can be used as excellent carrier materials. Not only can its outer surface be used to anchor metal single atoms, but its inner surface can also provide rich sites. Here, a novel step-by-step assembly strategy is reported to anchor nickel single atoms (Ni SAs) on the inner and outer surfaces of GHSs (Ni SAs/GHSs/Ni SAs), which significantly increases the loading capacity of Ni SAs (4.8 wt%). Compared to conventional materials that only anchor Ni SAs to the outer surface of the carrier (Ni SAs/GHSs), Ni SAs/GHSs/Ni SAs exhibits significantly higher electrocatalytic activity toward glucose oxidation in alkaline media. The sensitivity of Ni SAs/GHSs/Ni SAs/GCE is nearly five times higher than that of Ni SAs/GHSs/GCE. Moreover, the sensor based on Ni SAs/GHSs/Ni SAs can detect glucose in a wide concentration range of 0.8 µM-1.1244 mM with a low detection limit of 0.19 µM (S/N = 3). This study not only provides an effective sensing material for glucose detection, but also opens a new avenue to construct high-density metal SACs.
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Affiliation(s)
- Hang Yin
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, People's Republic of China
| | - Xiao Bai
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, People's Republic of China
| | - Fanjun Zhang
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, People's Republic of China
| | - Ziyin Yang
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, People's Republic of China.
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9
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Yan R, Zhan M, Xu J, Peng Q. Functional nanomaterials as photosensitizers or delivery systems for antibacterial photodynamic therapy. BIOMATERIALS ADVANCES 2024; 159:213820. [PMID: 38430723 DOI: 10.1016/j.bioadv.2024.213820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 02/09/2024] [Accepted: 02/27/2024] [Indexed: 03/05/2024]
Abstract
Bacterial infection is a global health problem that closely related to various diseases threatening human life. Although antibiotic therapy has been the mainstream treatment method for various bacterial infectious diseases for decades, the increasing emergence of bacterial drug resistance has brought enormous challenges to the application of antibiotics. Therefore, developing novel antibacterial strategies is of great importance. By producing reactive oxygen species (ROS) with photosensitizers (PSs) under light irradiation, antibacterial photodynamic therapy (aPDT) has emerged as a non-invasive and promising approach for treating bacterial infections without causing drug resistance. However, the insufficient therapeutic penetration, poor hydrophilicity, and poor biocompatibility of traditional PSs greatly limit the efficacy of aPDT. Recently, studies have found that nanomaterials with characteristics of favorable photocatalytic activity, surface plasmonic resonance, easy modification, and high drug loading capacity can improve the therapeutic efficacy of aPDT. In this review, we aim to provide a comprehensive understanding of the mechanism of nanomaterials-mediated aPDT and summarize the representative nanomaterials in aPDT, either as PSs or carriers for PSs. In addition, the combination of advanced nanomaterials-mediated aPDT with other therapies, including targeted therapy, gas therapy, and multidrug resistance (MDR) therapy, is reviewed. Also, the concerns and possible solutions of nanomaterials-based aPDT are discussed. Overall, this review may provide theoretical basis and inspiration for the development of nanomaterials-based aPDT.
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Affiliation(s)
- Ruijiao Yan
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Meijun Zhan
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Jingchen Xu
- Department of Dental Medical Center, China-Japan Friendship Hospital, Beijing 100029, China.
| | - Qiang Peng
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
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10
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Karaky N, Tang S, Ramalingam P, Kirby A, McBain AJ, Banks CE, Whitehead KA. Multidrug-Resistant Escherichia coli Remains Susceptible to Metal Ions and Graphene-Based Compounds. Antibiotics (Basel) 2024; 13:381. [PMID: 38786110 PMCID: PMC11117355 DOI: 10.3390/antibiotics13050381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 04/17/2024] [Accepted: 04/17/2024] [Indexed: 05/25/2024] Open
Abstract
Escherichia coli is listed as a priority 1 pathogen on the World Health Organization (WHO) priority pathogen list. For this list of pathogens, new antibiotics are urgently needed to control the emergence and spread of multidrug-resistant strains. This study assessed eighteen metal ions, graphene, and graphene oxide for their antimicrobial efficacy against E. coli in both planktonic and biofilm growth states and the potential synergy between metal ions and graphene-based compounds. Molybdenum and tin ions exhibited the greatest antimicrobial activity against the planktonic states of the isolates with minimal inhibitory concentrations (MIC) ranging between 13 mg/L and 15.6 mg/L. Graphene oxide had no antimicrobial effect against any of the isolates, while graphene showed a moderate effect against E. coli (MIC, 62.5 mg/L). Combinations of metal ions and graphene-based compounds including tin-graphene, tin-graphene oxide, gold-graphene, platinum-graphene, and platinum-graphene oxide exhibited a synergistic antimicrobial effect (FIC ≤ 0.5), inhibiting the planktonic and biofilm formation of the isolates regardless of their antibiotic-resistant profiles. The bactericidal effect of the metal ions and the synergistic effects when combined with graphene/graphene oxide against medically relevant pathogens demonstrated that the antimicrobial efficacy was increased. Hence, such agents may potentially be used in the production of novel antimicrobial/antiseptic agents.
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Affiliation(s)
- Nathalie Karaky
- Great Ormond Street Institute of Child Health, University College London, London WC1N 1EH, UK;
| | - Shiying Tang
- Microbiology at Interfaces Group, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK;
| | - Parameshwari Ramalingam
- Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK; (P.R.); (C.E.B.)
- Department of Physics, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Tiruchirappalli Campus, Tiruchirappalli 620024, India
| | - Andrew Kirby
- Faculty of Medicine and Health, University of Leeds, Leeds LS2 9JT, UK;
| | - Andrew J. McBain
- Division of Pharmacy and Optometry, Faculty of Biology, Medicine and Health, The University of Manchester, Oxford Road, Manchester M13 9PT, UK;
| | - Craig E. Banks
- Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK; (P.R.); (C.E.B.)
| | - Kathryn A. Whitehead
- Microbiology at Interfaces Group, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK;
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11
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Cao H, Zhang X, Wang H, Ding B, Ge S, Zhao J. Effects of Graphene-Based Nanomaterials on Microorganisms and Soil Microbial Communities. Microorganisms 2024; 12:814. [PMID: 38674758 PMCID: PMC11051958 DOI: 10.3390/microorganisms12040814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 04/15/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
The past decades have witnessed intensive research on the biological effects of graphene-based nanomaterials (GBNs) and the application of GBNs in different fields. The published literature shows that GBNs exhibit inhibitory effects on almost all microorganisms under pure culture conditions, and that this inhibitory effect is influenced by the microbial species, the GBN's physicochemical properties, the GBN's concentration, treatment time, and experimental surroundings. In addition, microorganisms exist in the soil in the form of microbial communities. Considering the complex interactions between different soil components, different microbial communities, and GBNs in the soil environment, the effects of GBNs on soil microbial communities are undoubtedly intertwined. Since bacteria and fungi are major players in terrestrial biogeochemistry, this review focuses on the antibacterial and antifungal performance of GBNs, their antimicrobial mechanisms and influencing factors, as well as the impact of this effect on soil microbial communities. This review will provide a better understanding of the effects of GBNs on microorganisms at both the individual and population scales, thus providing an ecologically safe reference for the release of GBNs to different soil environments.
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Affiliation(s)
- Huifen Cao
- College of Agriculture and Life Science, Shanxi Datong University, Datong 037009, China;
| | - Xiao Zhang
- Engineering Research Center of Coal-Based Ecological Carbon Sequestration Technology of the Ministry of Education, Key Laboratory of Graphene Forestry Application of National Forest and Grass Administration, Shanxi Datong University, Datong 037009, China; (B.D.); (J.Z.)
| | - Haiyan Wang
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, China
| | - Baopeng Ding
- Engineering Research Center of Coal-Based Ecological Carbon Sequestration Technology of the Ministry of Education, Key Laboratory of Graphene Forestry Application of National Forest and Grass Administration, Shanxi Datong University, Datong 037009, China; (B.D.); (J.Z.)
| | - Sai Ge
- Center of Academic Journal, Shanxi Datong University, Datong 037009, China;
| | - Jianguo Zhao
- Engineering Research Center of Coal-Based Ecological Carbon Sequestration Technology of the Ministry of Education, Key Laboratory of Graphene Forestry Application of National Forest and Grass Administration, Shanxi Datong University, Datong 037009, China; (B.D.); (J.Z.)
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12
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Lyra KM, Tournis I, Subrati M, Spyrou K, Papavasiliou A, Athanasekou C, Papageorgiou S, Sakellis E, Karakassides MA, Sideratou Z. Carbon Nanodisks Decorated with Guanidinylated Hyperbranched Polyethyleneimine Derivatives as Efficient Antibacterial Agents. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:677. [PMID: 38668171 PMCID: PMC11054016 DOI: 10.3390/nano14080677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 04/08/2024] [Accepted: 04/09/2024] [Indexed: 04/29/2024]
Abstract
Non-toxic carbon-based hybrid nanomaterials based on carbon nanodisks were synthesized and assessed as novel antibacterial agents. Specifically, acid-treated carbon nanodisks (oxCNDs), as a safe alternative material to graphene oxide, interacted through covalent and non-covalent bonding with guanidinylated hyperbranched polyethyleneimine derivatives (GPEI5K and GPEI25K), affording the oxCNDs@GPEI5K and oxCNDs@GPEI25K hybrids. Their physico-chemical characterization confirmed the successful and homogenous attachment of GPEIs on the surface of oxCNDs, which, due to the presence of guanidinium groups, offered them improved aqueous stability. Moreover, the antibacterial activity of oxCNDs@GPEIs was evaluated against Gram-negative E. coli and Gram-positive S. aureus bacteria. It was found that both hybrids exhibited enhanced antibacterial activity, with oxCNDs@GPEI5K being more active than oxCNDs@GPEI25K. Their MIC and MBC values were found to be much lower than those of oxCNDs, revealing that the GPEI attachment endowed the hybrids with enhanced antibacterial properties. These improved properties were attributed to the polycationic character of the oxCNDs@GPEIs, which enables effective interaction with the bacterial cytoplasmic membrane and cell walls, leading to cell envelope damage, and eventually cell lysis. Finally, oxCNDs@GPEIs showed minimal cytotoxicity on mammalian cells, indicating that these hybrid nanomaterials have great potential to be used as safe and efficient antibacterial agents.
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Affiliation(s)
- Kyriaki-Marina Lyra
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Reasearch “Demokritos”, Aghia Paraskevi, 15310 Athens, Greece; (K.-M.L.); (I.T.); (M.S.); (A.P.); (C.A.); (S.P.); or (E.S.)
| | - Ioannis Tournis
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Reasearch “Demokritos”, Aghia Paraskevi, 15310 Athens, Greece; (K.-M.L.); (I.T.); (M.S.); (A.P.); (C.A.); (S.P.); or (E.S.)
| | - Mohammed Subrati
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Reasearch “Demokritos”, Aghia Paraskevi, 15310 Athens, Greece; (K.-M.L.); (I.T.); (M.S.); (A.P.); (C.A.); (S.P.); or (E.S.)
| | - Konstantinos Spyrou
- Department of Material Science & Engineering, University of Ioannina, 45110 Ioannina, Greece; (K.S.); (M.A.K.)
| | - Aggeliki Papavasiliou
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Reasearch “Demokritos”, Aghia Paraskevi, 15310 Athens, Greece; (K.-M.L.); (I.T.); (M.S.); (A.P.); (C.A.); (S.P.); or (E.S.)
| | - Chrysoula Athanasekou
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Reasearch “Demokritos”, Aghia Paraskevi, 15310 Athens, Greece; (K.-M.L.); (I.T.); (M.S.); (A.P.); (C.A.); (S.P.); or (E.S.)
| | - Sergios Papageorgiou
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Reasearch “Demokritos”, Aghia Paraskevi, 15310 Athens, Greece; (K.-M.L.); (I.T.); (M.S.); (A.P.); (C.A.); (S.P.); or (E.S.)
| | - Elias Sakellis
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Reasearch “Demokritos”, Aghia Paraskevi, 15310 Athens, Greece; (K.-M.L.); (I.T.); (M.S.); (A.P.); (C.A.); (S.P.); or (E.S.)
- Physics Department, Condensed Matter Physics Section, National and Kapodistrian University of Athens, Panepistimiopolis, Zografos, 15784 Athens, Greece
| | - Michael A. Karakassides
- Department of Material Science & Engineering, University of Ioannina, 45110 Ioannina, Greece; (K.S.); (M.A.K.)
| | - Zili Sideratou
- Institute of Nanoscience and Nanotechnology, National Center for Scientific Reasearch “Demokritos”, Aghia Paraskevi, 15310 Athens, Greece; (K.-M.L.); (I.T.); (M.S.); (A.P.); (C.A.); (S.P.); or (E.S.)
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13
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Sardaru MC, Rosca I, Ursu C, Dascalu IA, Ursu EL, Morariu S, Rotaru A. Photothermal Hydrogel Composites Featuring G4-Carbon Nanomaterial Networks for Staphylococcus aureus Inhibition. ACS OMEGA 2024; 9:15833-15844. [PMID: 38617624 PMCID: PMC11007816 DOI: 10.1021/acsomega.3c07724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 03/06/2024] [Accepted: 03/20/2024] [Indexed: 04/16/2024]
Abstract
Microbial infections represent a significant health risk, often leading to severe complications and, in some cases, even fatalities. As a result, there is an urgent need to explore innovative drug delivery systems and alternative therapeutic techniques. The photothermal therapy has emerged as a promising antibacterial approach and is the focus of this study. Herein, we report the successful synthesis of two distinct supramolecular composite hydrogels by incorporating graphene oxide (GO) and single-walled carbon nanotubes (SWNTs) into guanosine quadruplex (G4) based hydrogels containing covalently bound β-cyclodextrin (β-CD). The G4 matrix was synthesized through a two-step process, establishing a robust network between G4 and β-CDs, followed by the encapsulation of either GO or SWNTs. Comprehensive characterization of these composite hydrogels were conducted using analytical techniques, including circular dichroism, Raman spectroscopy, rheological investigations, X-ray diffraction, and scanning electron microscopy. A notable discovery from the conducted research is the differential photothermal responses exhibited by the hydrogels when exposed to near-infrared laser irradiation. Specifically, SWNT-based hydrogels demonstrated superior photothermal performance, achieving a remarkable temperature increase of up to 52 °C, in contrast to GO-based hydrogels, which reached a maximum of 34 °C. These composite hydrogels showed good cytotoxicity evaluation results and displayed synergistic antibacterial activity against Staphylococcus aureus, positioning them as promising candidates for antibacterial photothermic platforms, particularly in the context of wound treatment. This study offers a valuable contribution to the development of advanced and combined therapeutic strategies for combating microbial infections and highlights the potential of carbon nanomaterial-enhanced supramolecular hydrogels in photothermal therapy applications.
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Affiliation(s)
- Monica-Cornelia Sardaru
- The
Research Institute of the University of Bucharest (ICUB), 90 Sos. Panduri, 050663 Bucharest, Romania
- “Petru
Poni” Institute of Macromolecular Chemistry, Romanian Academy, Centre of Advanced Research in Bionanoconjugates and
Biopolymers, Grigore
Ghica Voda Alley 41 A, 700487 Iasi, Romania
| | - Irina Rosca
- “Petru
Poni” Institute of Macromolecular Chemistry, Romanian Academy, Centre of Advanced Research in Bionanoconjugates and
Biopolymers, Grigore
Ghica Voda Alley 41 A, 700487 Iasi, Romania
| | - Cristian Ursu
- “Petru
Poni” Institute of Macromolecular Chemistry, Romanian Academy, Physics of Polymers and Polymeric Materials Laboratory, Grigore Ghica Voda Alley 41 A, 700487 Iasi, Romania
| | - Ioan-Andrei Dascalu
- “Petru
Poni” Institute of Macromolecular Chemistry, Romanian Academy, Centre of Advanced Research in Bionanoconjugates and
Biopolymers, Grigore
Ghica Voda Alley 41 A, 700487 Iasi, Romania
| | - Elena-Laura Ursu
- “Petru
Poni” Institute of Macromolecular Chemistry, Romanian Academy, Centre of Advanced Research in Bionanoconjugates and
Biopolymers, Grigore
Ghica Voda Alley 41 A, 700487 Iasi, Romania
| | - Simona Morariu
- Natural
Polymers, Bioactive and Biocompatible Materials, “Petru Poni” Institute of Macromolecular Chemistry,
Romanian Academy, Grigore
Ghica Voda Alley 41 A, Iasi 700487, Romania
| | - Alexandru Rotaru
- “Petru
Poni” Institute of Macromolecular Chemistry, Romanian Academy, Centre of Advanced Research in Bionanoconjugates and
Biopolymers, Grigore
Ghica Voda Alley 41 A, 700487 Iasi, Romania
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14
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Piskláková L, Skuhrovcová K, Bártová T, Seidelmannová J, Vondrovic Š, Velebný V. Trends in the Incorporation of Antiseptics into Natural Polymer-Based Nanofibrous Mats. Polymers (Basel) 2024; 16:664. [PMID: 38475347 DOI: 10.3390/polym16050664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 02/24/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024] Open
Abstract
Nanofibrous materials represent a very promising form of advanced carrier systems that can be used industrially, especially in regenerative medicine as highly functional bandages, or advanced wound dressings. By incorporation of antimicrobial additives directly into the structure of the nanofiber carrier, the functionality of the layer is upgraded, depending on the final requirement-bactericidal, bacteriostatic, antiseptic, or a generally antimicrobial effect. Such highly functional nanofibrous layers can be prepared mostly by electrospinning technology from both synthetic and natural polymers. The presence of a natural polymer in the composition is very advantageous. Especially in medical applications where, due to the presence of the material close to the human body, the healing process is more efficient and without the occurrence of an unwanted inflammatory response. However, converting natural polymers into nanofibrous form, with a homogeneously distributed and stable additive, is a great challenge. Thus, a combination of natural and synthetic materials is often used. This review clearly summarizes the issue of the incorporation and effectiveness of different types of antimicrobial substances, such as nanoparticles, antibiotics, common antiseptics, or substances of natural origin, into electrospun nanofibrous layers made of mostly natural polymer materials. A section describing the problematic aspects of antimicrobial polymers is also included.
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Affiliation(s)
- Lenka Piskláková
- Contipro a.s., Dolní Dobrouč 401, 561 02 Dolní Dobrouč, Czech Republic
- Nanotechnology Centre, Centre for Energy and Environmental Technologies, VŠB-Technical University of Ostrava, 17. Listopadu 2172/15, 708 00 Ostrava, Czech Republic
| | - Kristýna Skuhrovcová
- Contipro a.s., Dolní Dobrouč 401, 561 02 Dolní Dobrouč, Czech Republic
- Centre of Polymer Systems, Tomas Bata University in Zlín, Třída Tomáše Bati 5678, 760 01 Zlín, Czech Republic
| | - Tereza Bártová
- Contipro a.s., Dolní Dobrouč 401, 561 02 Dolní Dobrouč, Czech Republic
| | | | - Štěpán Vondrovic
- Contipro a.s., Dolní Dobrouč 401, 561 02 Dolní Dobrouč, Czech Republic
| | - Vladimír Velebný
- Contipro a.s., Dolní Dobrouč 401, 561 02 Dolní Dobrouč, Czech Republic
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15
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Wu R, Fang J, Xiang X, Liu H, Zhu Y, Du S. Graphene oxide influences transfer of plasmid-mediated antibiotic resistance genes into plants. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 911:168652. [PMID: 37979849 DOI: 10.1016/j.scitotenv.2023.168652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 11/04/2023] [Accepted: 11/15/2023] [Indexed: 11/20/2023]
Abstract
As an emerging contaminant, antibiotic resistance genes (ARGs) are raising concerns about its significant threat to public health. Meanwhile, graphene oxide (GO), which also has a potential ecological damage with increasingly entering the environment, has a great influence on the transfer of ARGs. However, little is known about the effects mechanisms of GO on the migration of antibiotic resistance genes (ARGs) from bacteria into plants. In this study, we investigated the influence of GO on the transfer of ARGs carried by RP4 plasmids from Bacillus subtilis into rice plants. Our results showed that the presence of GO at concentrations ranging from 0 to 400 mg L-1 significantly reduced the transfer of ARGs into rice roots by 13-71 %. Moreover, the migration of RP4 from the roots to aboveground parts was significantly impaired by GO. These effects may be attributed to several factors. First, higher GO concentrations led to low pH in the culture solution, resulting in a substantial decrease in the number of antibiotic-resistant bacteria. Second, GO induced oxidative stress in rice, as indicated by enhanced Evans blue dye staining, and elevated levels of malondialdehyde, nitric oxide, and phenylalanine ammonia-lyase activity. The oxidative stress negatively affected plant growth, as demonstrated by the reduced fresh weight and altered lignin content in the rice. Microscopic observations confirmed the entry of GO into root cells but not leaf mesophyll cells. Furthermore, potential recipients of RP4 plasmid strains in rice after co-cultivation experiments were identified, including Bacillus subtilis, Bacillus amyloliquefaciens, and Bacillus cereus. These findings clarify the influence of GO on ARGs in the bacteria-plant system and emphasize the need to consider its potential ecological risks.
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Affiliation(s)
- Ran Wu
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy (IRA), Zhejiang Shuren University, Hangzhou 310015, China
| | - Jin Fang
- College of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Xiaobo Xiang
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy (IRA), Zhejiang Shuren University, Hangzhou 310015, China
| | - Huijun Liu
- College of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Yaxin Zhu
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy (IRA), Zhejiang Shuren University, Hangzhou 310015, China
| | - Shaoting Du
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy (IRA), Zhejiang Shuren University, Hangzhou 310015, China.
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16
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Morotomi-Yano K, Hayami S, Yano KI. Adhesion States Greatly Affect Cellular Susceptibility to Graphene Oxide: Therapeutic Implications for Cancer Metastasis. Int J Mol Sci 2024; 25:1927. [PMID: 38339205 PMCID: PMC10855874 DOI: 10.3390/ijms25031927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 01/25/2024] [Accepted: 01/29/2024] [Indexed: 02/12/2024] Open
Abstract
Graphene oxide (GO) has received increasing attention in the life sciences because of its potential for various applications. Although GO is generally considered biocompatible, it can negatively impact cell physiology under some circumstances. Here, we demonstrate that the cytotoxicity of GO greatly varies depending on the cell adhesion states. Human HCT-116 cells in a non-adhered state were more susceptible to GO than those in an adherent state. Apoptosis was partially induced by GO in both adhered and non-adhered cells to a similar extent, suggesting that apoptosis induction does not account for the selective effects of GO on non-adhered cells. GO treatment rapidly decreased intracellular ATP levels in non-adhered cells but not in adhered ones, suggesting ATP depletion as the primary cause of GO-induced cell death. Concurrently, autophagy induction, a cellular response for energy homeostasis, was more evident in non-adhered cells than in adhered cells. Collectively, our observations provide novel insights into GO's action with regard to cell adhesion states. Because the elimination of non-adhered cells is important in preventing cancer metastasis, the selective detrimental effects of GO on non-adhered cells suggest its therapeutic potential for use in cancer metastasis.
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Affiliation(s)
- Keiko Morotomi-Yano
- Institute of Industrial Nanomaterials, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
| | - Shinya Hayami
- Institute of Industrial Nanomaterials, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
- Department of Chemistry, Faculty of Advanced Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
| | - Ken-ichi Yano
- Institute of Industrial Nanomaterials, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan
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17
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Selim MS, Azzam AM, Shenashen MA, Higazy SA, Mostafa BB, El-Safty SA. Comparative study between three carbonaceous nanoblades and nanodarts for antimicrobial applications. J Environ Sci (China) 2024; 136:594-605. [PMID: 37923468 DOI: 10.1016/j.jes.2023.02.036] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 02/17/2023] [Accepted: 02/19/2023] [Indexed: 11/07/2023]
Abstract
The design of nanostructured materials occupies a privileged position in the development and management of affordable and effective technology in the antibacterial sector. Here, we discuss the antimicrobial properties of three carbonaceous nanoblades and nanodarts materials of graphene oxide (GO), reduced graphene oxide (RGO), and single-wall carbon nanotubes (SWCNTs) that have a mechano-bactericidal effect, and the ability to piercing or slicing bacterial membranes. To demonstrate the significance of size, morphology and composition on the antibacterial activity mechanism, the designed nanomaterials have been characterized. The minimum inhibitory concentration (MIC), standard agar well diffusion, and transmission electron microscopy were utilized to evaluate the antibacterial activity of GO, RGO, and SWCNTs. Based on the evidence obtained, the three carbonaceous materials exhibit activity against all microbial strains tested by completely encapsulating bacterial cells and causing morphological disruption by degrading the microbial cell membrane in the order of RGO > GO > SWCNTs. Because of the external cell wall structure and outer membrane proteins, the synthesized carbonaceous nanomaterials exhibited higher antibacterial activity against Gram-positive bacterial strains than Gram-negative and fungal microorganisms. RGO had the lowest MIC values (0.062, 0.125, and 0.25 mg/mL against B. subtilis, S. aureus, and E. coli, respectively), as well as minimum fungal concentrations (0.5 mg/mL for both A. fumigatus and C. albicans). At 12 hr, the cell viability values against tested microbial strains were completely suppressed. Cell lysis and death occurred as a result of severe membrane damage caused by microorganisms perched on RGO nanoblades. Our work gives an insight into the design of effective graphene-based antimicrobial materials for water treatment and remediation.
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Affiliation(s)
- Mohamed S Selim
- National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba-Shi, Ibaraki-Ken 305-0047, Japan; Petroleum Application Department, Egyptian Petroleum Research Institute, Nasr City 11727, Egypt
| | - Ahmed M Azzam
- National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba-Shi, Ibaraki-Ken 305-0047, Japan; Department of Environmental Research, Theodor Bilharz Research Institute, Giza, Egypt
| | - Mohamed A Shenashen
- National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba-Shi, Ibaraki-Ken 305-0047, Japan; Petroleum Application Department, Egyptian Petroleum Research Institute, Nasr City 11727, Egypt.
| | - Shimaa A Higazy
- Petroleum Application Department, Egyptian Petroleum Research Institute, Nasr City 11727, Egypt
| | - Bayaumy B Mostafa
- Department of Environmental Research, Theodor Bilharz Research Institute, Giza, Egypt
| | - Sherif A El-Safty
- National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba-Shi, Ibaraki-Ken 305-0047, Japan.
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18
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Matias LLR, Damasceno KSFDSC, Pereira AS, Passos TS, Morais AHDA. Innovative Biomedical and Technological Strategies for the Control of Bacterial Growth and Infections. Biomedicines 2024; 12:176. [PMID: 38255281 PMCID: PMC10813423 DOI: 10.3390/biomedicines12010176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/05/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
Antibiotics comprise one of the most successful groups of pharmaceutical products. Still, they have been associated with developing bacterial resistance, which has become one of the most severe problems threatening human health today. This context has prompted the development of new antibiotics or co-treatments using innovative tools to reverse the resistance context, combat infections, and offer promising antibacterial therapy. For the development of new alternatives, strategies, and/or antibiotics for controlling bacterial growth, it is necessary to know the target bacteria, their classification, morphological characteristics, the antibiotics currently used for therapies, and their respective mechanisms of action. In this regard, genomics, through the sequencing of bacterial genomes, has generated information on diverse genetic resources, aiding in the discovery of new molecules or antibiotic compounds. Nanotechnology has been applied to propose new antimicrobials, revitalize existing drug options, and use strategic encapsulating agents with their biochemical characteristics, making them more effective against various bacteria. Advanced knowledge in bacterial sequencing contributes to the construction of databases, resulting in advances in bioinformatics and the development of new antimicrobials. Moreover, it enables in silico antimicrobial susceptibility testing without the need to cultivate the pathogen, reducing costs and time. This review presents new antibiotics and biomedical and technological innovations studied in recent years to develop or improve natural or synthetic antimicrobial agents to reduce bacterial growth, promote well-being, and benefit users.
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Affiliation(s)
- Lídia Leonize Rodrigues Matias
- Biochemistry and Molecular Biology Postgraduate Program, Biosciences Center, Federal University of Rio Grande do Norte, Natal 59078-970, RN, Brazil;
| | | | - Annemberg Salvino Pereira
- Nutrition Course, Center for Health Sciences, Federal University of Rio Grande do Norte, Natal 59078-970, RN, Brazil;
| | - Thaís Souza Passos
- Nutrition Postgraduate Program, Center for Health Sciences, Federal University of Rio Grande do Norte, Natal 59078-970, RN, Brazil; (K.S.F.d.S.C.D.); (T.S.P.)
| | - Ana Heloneida de Araujo Morais
- Biochemistry and Molecular Biology Postgraduate Program, Biosciences Center, Federal University of Rio Grande do Norte, Natal 59078-970, RN, Brazil;
- Nutrition Postgraduate Program, Center for Health Sciences, Federal University of Rio Grande do Norte, Natal 59078-970, RN, Brazil; (K.S.F.d.S.C.D.); (T.S.P.)
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19
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Huang X, Luo X, Yan M, Chen H, Zuo H, Xu K, Ma J, Dou L, Shen T, Huang MH. Better biocompatibility of nitrogen-doped graphene compared with graphene oxide by reducing cell autophagic flux blockage and cell apoptosis. J Biomed Mater Res A 2024; 112:121-138. [PMID: 37819169 DOI: 10.1002/jbm.a.37624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/31/2023] [Accepted: 09/27/2023] [Indexed: 10/13/2023]
Abstract
Nitrogen-doped graphene (C2 N), a novel graphene-based materials, has been proposed as a potential alternative to graphene oxide (GO) in biomedical applications. However, due to the challenges in synthesizing C2 N, reports in the biomedical field are currently rare. Here, we have modified the reported procedure and successfully synthesized C2 N nanoparticles at 120°C, which we refer to as C2 N-120. The toxicity and biocompatibility of GO and C2 N-120 were evaluated using a mouse model injected with GO/C2 N-120 via the tail vein, as well as cell models treated with GO/C2 N-120. In vivo studies revealed that GO/C2 N-120 showed similar distribution patterns after tail vein injection. The liver, spleen, and lung are the major nanoparticle uptake organs of GO and C2 N-120. However, GO deposition in the major nanoparticle uptake organs was more significant than that of C2 N-120. In addition, GO deposition caused structural abnormalities, increased apoptotic cells, and enhanced macrophage infiltration whereas C2 N-120 exhibited fewer adverse effects. In vitro experiments were conducted using different cell lines treated with GO/C2 N-120. Unlike GO which induced mitochondrial damage, oxidative stress, inflammatory response, autophagic flux blockage and cell apoptosis, C2 N-120 showed lower cytotoxicity in cell models. Our data demonstrated that C2 N-120 exhibits higher biocompatibility than GO, both in vivo and in vitro, suggesting its potential for biomedical application in the future.
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Affiliation(s)
- Xiuqing Huang
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology, National Health Commission, Beijing, China
| | - Xiansheng Luo
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, China
| | - Mingjing Yan
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology, National Health Commission, Beijing, China
| | - Hao Chen
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology, National Health Commission, Beijing, China
| | - Huiyan Zuo
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology, National Health Commission, Beijing, China
| | - Kun Xu
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology, National Health Commission, Beijing, China
| | - Jiarui Ma
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology, National Health Commission, Beijing, China
| | - Lin Dou
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology, National Health Commission, Beijing, China
| | - Tao Shen
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital/National Center of Gerontology, National Health Commission, Beijing, China
| | - Mu-Hua Huang
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, China
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20
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Qasim SSB, Ahmed J, Karched M, Al-Asfour A. The potential of nano graphene oxide and chlorhexidine composite membranes for use as a surface layer in functionally graded membranes for periodontal lesions. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2023; 34:63. [PMID: 38103062 PMCID: PMC10725336 DOI: 10.1007/s10856-023-06767-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 11/20/2023] [Indexed: 12/17/2023]
Abstract
Membranes have been used for treating periodontal defects and play a crucial role in guided bone regeneration applications. Nano graphene oxide have been exploited in tissue engineering due to its biomechanical properties. Its composite formulations with hydroxyapatite and chitosan with controlled degradation could aid in becoming part of a surface layer in a functionally graded membrane. The aim of the study was to synthesize chitosan and composite formulations of nano graphene oxide, hydroxyapatite and chlorhexidine digluconate using solvent casting technique and to characterize the physiochemical, mechanical, water vapor transmission rate (barrier), degradation and antimicrobial potential of the membranes. Altogether four different membranes were prepared (CH, CCG, 3511 and 3322). Results revealed the chemical interactions of hydroxyapatite, chitosan and nanographene oxide due to inter and intra molecular hydrogen bonding. The tensile strength of 3322 (33.72 ± 6.3 MPa) and 3511 (32.06 ± 5.4 MPa) was higher than CH (27.46 ± 9.6 MPa). CCG showed the lowest water vapor transmission rate (0.23 ± 0.01 g/h.m2) but the highest weight loss at day 14 (76.6 %). 3511 showed a higher drug release after 72 h (55.6 %) Significant biofilm growth inhibition was observed for all membranes. 3511 showed complete inhibition against A. actinomycetemcomitans. Detailed characterization of the synthesized membranes revealed that 3511 composite membrane proved to be a promising candidate for use as a surface layer of membranes for guided bone regeneration of periodontal lesions.
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Affiliation(s)
- Syed Saad Bin Qasim
- Department of Bioclinical Sciences, College of Dentistry, Kuwait University, Kuwait, Kuwait.
| | - Jasim Ahmed
- Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research, Safat, Kuwait
| | - Maribasappa Karched
- Department of Biological Sciences, College of Dentistry, Kuwait University, Kuwait, Kuwait
| | - Adel Al-Asfour
- Department of Surgical Sciences, College of Dentistry, Kuwait University, Kuwait, Kuwait
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21
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Agarwalla A, Ahmed W, Al-Marzouqi AH, Rizvi TA, Khan M, Zaneldin E. Characteristics and Key Features of Antimicrobial Materials and Associated Mechanisms for Diverse Applications. Molecules 2023; 28:8041. [PMID: 38138531 PMCID: PMC10745420 DOI: 10.3390/molecules28248041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
Since the Fourth Industrial Revolution, three-dimensional (3D) printing has become a game changer in manufacturing, particularly in bioengineering, integrating complex medical devices and tools with high precision, short operation times, and low cost. Antimicrobial materials are a promising alternative for combating the emergence of unforeseen illnesses and device-related infections. Natural antimicrobial materials, surface-treated biomaterials, and biomaterials incorporated with antimicrobial materials are extensively used to develop 3D-printed products. This review discusses the antimicrobial mechanisms of different materials by providing examples of the most commonly used antimicrobial materials in bioengineering and brief descriptions of their properties and biomedical applications. This review will help researchers to choose suitable antimicrobial agents for developing high-efficiency biomaterials for potential applications in medical devices, packaging materials, biomedical applications, and many more.
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Affiliation(s)
- Aaruci Agarwalla
- Department of Chemical and Petroleum Engineering, College of Engineering, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates; (A.A.)
| | - Waleed Ahmed
- Engineering Requirements Unit, College of Engineering, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
| | - Ali H. Al-Marzouqi
- Department of Chemical and Petroleum Engineering, College of Engineering, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates; (A.A.)
| | - Tahir A. Rizvi
- Department of Microbiology & Immunology, College of Medicine & Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
- Zayed Center for Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
| | - Mushtaq Khan
- Department of Microbiology & Immunology, College of Medicine & Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
- Zayed Center for Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
| | - Essam Zaneldin
- Department of Civil and Environmental Engineering, College of Engineering, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates;
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22
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Silva FALS, Chang HP, Incorvia JAC, Oliveira MJ, Sarmento B, Santos SG, Magalhães FD, Pinto AM. 2D Nanomaterials and Their Drug Conjugates for Phototherapy and Magnetic Hyperthermia Therapy of Cancer and Infections. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2306137. [PMID: 37963826 DOI: 10.1002/smll.202306137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 09/26/2023] [Indexed: 11/16/2023]
Abstract
Photothermal therapy (PTT) and magnetic hyperthermia therapy (MHT) using 2D nanomaterials (2DnMat) have recently emerged as promising alternative treatments for cancer and bacterial infections, both important global health challenges. The present review intends to provide not only a comprehensive overview, but also an integrative approach of the state-of-the-art knowledge on 2DnMat for PTT and MHT of cancer and infections. High surface area, high extinction coefficient in near-infra-red (NIR) region, responsiveness to external stimuli like magnetic fields, and the endless possibilities of surface functionalization, make 2DnMat ideal platforms for PTT and MHT. Most of these materials are biocompatible with mammalian cells, presenting some cytotoxicity against bacteria. However, each material must be comprehensively characterized physiochemically and biologically, since small variations can have significant biological impact. Highly efficient and selective in vitro and in vivo PTTs for the treatment of cancer and infections are reported, using a wide range of 2DnMat concentrations and incubation times. MHT is described to be more effective against bacterial infections than against cancer therapy. Despite the promising results attained, some challenges remain, such as improving 2DnMat conjugation with drugs, understanding their in vivo biodegradation, and refining the evaluation criteria to measure PTT or MHT effects.
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Affiliation(s)
- Filipa A L S Silva
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculdade de Engenharia, Universidade do Porto, Porto, 4200-180, Portugal
- ALiCE - Associate Laboratory in Chemical Engineering, Faculdade de Engenharia, Universidade do Porto, Porto, 4200-180, Portugal
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
- INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
| | - Hui-Ping Chang
- Department of Electrical and Computer Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Jean Anne C Incorvia
- Department of Electrical and Computer Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Maria J Oliveira
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
- INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
| | - Bruno Sarmento
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
- INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
- IUCS - CESPU, Rua Central de Gandra 1317, Gandra, 4585-116, Portugal
| | - Susana G Santos
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
- INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
| | - Fernão D Magalhães
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculdade de Engenharia, Universidade do Porto, Porto, 4200-180, Portugal
- ALiCE - Associate Laboratory in Chemical Engineering, Faculdade de Engenharia, Universidade do Porto, Porto, 4200-180, Portugal
| | - Artur M Pinto
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculdade de Engenharia, Universidade do Porto, Porto, 4200-180, Portugal
- ALiCE - Associate Laboratory in Chemical Engineering, Faculdade de Engenharia, Universidade do Porto, Porto, 4200-180, Portugal
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
- INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen, 208, Porto, 4200-180, Portugal
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23
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Singh A, Gautam A, Banerjee S, Singh A, Kushwaha HR. Synthesis of copper-reduced graphene oxide nanomaterials using glucose and study of its antibacterial and anticancer activities. Biomed Mater 2023; 18:065025. [PMID: 37820688 DOI: 10.1088/1748-605x/ad0274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 10/11/2023] [Indexed: 10/13/2023]
Abstract
In this work, glucose-capped copper nanoparticles decorated reduced graphene oxide nanomaterial are synthesized at 100 °C and 200 °C via chemical reduction method and studied for their antibacterial and anticancer activities. Synthesized nanomaterials were characterized using x-ray diffraction, Fourier-transform infrared, transmission electron microscope, and RAMAN. It is observed in transmission electron microscopy and selected area electron diffraction studies that copper nanoparticles deposited onto reduced graphene oxide are smaller than nanoparticles generated in the absence of reduced graphene oxide. Also, the size of copper nanoparticles synthesized at 200 °C is smaller than at 100 °C. Results suggest that Cu/Glu/rGO synthesized at both temperatures showed significant antibacterial activity againstEscherichia coliandBacillus anthracis,similarly, showed significant cell death in cancer cell lines [Cal33 and HCT-116 p53 (+/+)]. Interestingly, the nanomaterials were seen to be more effective against the cancer cell lines harboring aggregating mutant p53. Tumors with aggregating mutants of p53 are difficult to treat hence, Cu/Glu/rGO can be promising therapeutic agents against these difficult cancers. However, the antibacterial and anticancer activity of Cu/Glu/rGO synthesized at 100 °C where Cu2O form is obtained was found to be more effective compared to Cu/Glu/rGO synthesized at 200 °C where Cu form is obtained. Though fine-tuning of the material may be required for its commercial applications.
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Affiliation(s)
- Anu Singh
- School of Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India
| | - Akanksha Gautam
- Special Centre for Systems Medicine, Jawaharlal Nehru University, New Delhi 110067, India
| | - Sagarika Banerjee
- School of Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India
| | - Awantika Singh
- School of Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India
| | - Hemant R Kushwaha
- School of Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India
- Special Centre for Systems Medicine, Jawaharlal Nehru University, New Delhi 110067, India
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24
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Teixeira-Santos R, Belo S, Vieira R, Mergulhão FJM, Gomes LC. Graphene-Based Composites for Biomedical Applications: Surface Modification for Enhanced Antimicrobial Activity and Biocompatibility. Biomolecules 2023; 13:1571. [PMID: 38002253 PMCID: PMC10669141 DOI: 10.3390/biom13111571] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/10/2023] [Accepted: 10/19/2023] [Indexed: 11/26/2023] Open
Abstract
The application of graphene-based materials in medicine has led to significant technological breakthroughs. The remarkable properties of these carbon materials and their potential for functionalization with various molecules and compounds make them highly attractive for numerous medical applications. To enhance their functionality and applicability, extensive research has been conducted on surface modification of graphene (GN) and its derivatives, including modifications with antimicrobials, metals, polymers, and natural compounds. This review aims to discuss recent and relevant studies related to advancements in the formulation of graphene composites, addressing their antimicrobial and/or antibiofilm properties and evaluating their biocompatibility, with a primary focus on their biomedical applications. It was concluded that GN surface modification, particularly with compounds intrinsically active against bacteria (e.g., antimicrobial peptides, silver and copper nanomaterials, and chitosan), has resulted in biomaterials with improved antimicrobial performance. Furthermore, the association of GN materials with non-natural polymers provides composites with increased biocompatibility when interfaced with human tissues, although with slightly lower antimicrobial efficacy. However, it is crucial to highlight that while modified GN materials hold huge potential, their widespread use in the medical field is still undergoing research and development. Comprehensive studies on safety, long-term effects, and stability are essential before their adoption in real-world medical scenarios.
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Affiliation(s)
- Rita Teixeira-Santos
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; (S.B.); (R.V.); (F.J.M.M.); (L.C.G.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Samuel Belo
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; (S.B.); (R.V.); (F.J.M.M.); (L.C.G.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Rita Vieira
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; (S.B.); (R.V.); (F.J.M.M.); (L.C.G.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Filipe J. M. Mergulhão
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; (S.B.); (R.V.); (F.J.M.M.); (L.C.G.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Luciana C. Gomes
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; (S.B.); (R.V.); (F.J.M.M.); (L.C.G.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
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25
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Kumara SPSNBS, Senevirathne SWMAI, Mathew A, Bray L, Mirkhalaf M, Yarlagadda PKDV. Progress in Nanostructured Mechano-Bactericidal Polymeric Surfaces for Biomedical Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2799. [PMID: 37887949 PMCID: PMC10609396 DOI: 10.3390/nano13202799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 10/16/2023] [Accepted: 10/17/2023] [Indexed: 10/28/2023]
Abstract
Bacterial infections and antibiotic resistance remain significant contributors to morbidity and mortality worldwide. Despite recent advances in biomedical research, a substantial number of medical devices and implants continue to be plagued by bacterial colonisation, resulting in severe consequences, including fatalities. The development of nanostructured surfaces with mechano-bactericidal properties has emerged as a promising solution to this problem. These surfaces employ a mechanical rupturing mechanism to lyse bacterial cells, effectively halting subsequent biofilm formation on various materials and, ultimately, thwarting bacterial infections. This review delves into the prevailing research progress within the realm of nanostructured mechano-bactericidal polymeric surfaces. It also investigates the diverse fabrication methods for developing nanostructured polymeric surfaces with mechano-bactericidal properties. We then discuss the significant challenges associated with each approach and identify research gaps that warrant exploration in future studies, emphasizing the potential for polymeric implants to leverage their distinct physical, chemical, and mechanical properties over traditional materials like metals.
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Affiliation(s)
- S. P. S. N. Buddhika Sampath Kumara
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia; (S.P.S.N.B.S.K.); (S.W.M.A.I.S.); (A.M.); (L.B.)
- Australian Research Council Training Centre for Multiscale 3D Imaging, Modelling, and Manufacturing, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
| | - S. W. M. Amal Ishantha Senevirathne
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia; (S.P.S.N.B.S.K.); (S.W.M.A.I.S.); (A.M.); (L.B.)
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
| | - Asha Mathew
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia; (S.P.S.N.B.S.K.); (S.W.M.A.I.S.); (A.M.); (L.B.)
- School of Engineering, University of Southern Queensland, Springfield, QLD 4300, Australia
| | - Laura Bray
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia; (S.P.S.N.B.S.K.); (S.W.M.A.I.S.); (A.M.); (L.B.)
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
| | - Mohammad Mirkhalaf
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia; (S.P.S.N.B.S.K.); (S.W.M.A.I.S.); (A.M.); (L.B.)
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
| | - Prasad K. D. V. Yarlagadda
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia; (S.P.S.N.B.S.K.); (S.W.M.A.I.S.); (A.M.); (L.B.)
- Australian Research Council Training Centre for Multiscale 3D Imaging, Modelling, and Manufacturing, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
- School of Engineering, University of Southern Queensland, Springfield, QLD 4300, Australia
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26
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Babaluei M, Mojarab Y, Mottaghitalab F, Farokhi M. Injectable hydrogel based on silk fibroin/carboxymethyl cellulose/agarose containing polydopamine functionalized graphene oxide with conductivity, hemostasis, antibacterial, and anti-oxidant properties for full-thickness burn healing. Int J Biol Macromol 2023; 249:126051. [PMID: 37517755 DOI: 10.1016/j.ijbiomac.2023.126051] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/03/2023] [Accepted: 07/27/2023] [Indexed: 08/01/2023]
Abstract
Overcoming bacterial infections and promoting wound healing are significant challenges in clinical practice and fundamental research. This study developed a series of enzymatic crosslinking injectable hydrogels based on silk fibroin (SF), carboxymethyl cellulose (CMC), and agarose, with the addition of polydopamine functionalized graphene oxide (GO@PDA) to endow the hydrogel with suitable conductivity and antimicrobial activity. The hydrogels exhibited suitable gelation time, stable mechanical and rheological properties, high water absorbency, and hemostatic properties. Biocompatibility was also confirmed through various assays. After loading the antibiotic vancomycin hydrochloride, the hydrogels showed sustained release and good antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA). The fast gelation time and desirable tissue-covering ability of the hydrogels allowed for a good hemostatic effect in a rat liver trauma model. In a rat full-thickness burn wound model, the hydrogels exhibited an excellent treatment effect, leading to significantly enhanced wound closure, collagen deposition, and granulation tissue formation, as well as neovascularization and anti-inflammatory effects. In conclusion, the antibacterial electroactive injectable hydrogel dressing, with its multifunctional properties, significantly promoted the in vivo wound healing process, making it an excellent candidate for full-thickness skin wound healing.
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Affiliation(s)
| | - Yasamin Mojarab
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran
| | - Fatemeh Mottaghitalab
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehdi Farokhi
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran.
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27
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Saravanan H, Subramani T, Rajaramon S, David H, Sajeevan A, Sujith S, Solomon AP. Exploring nanocomposites for controlling infectious microorganisms: charting the path forward in antimicrobial strategies. Front Pharmacol 2023; 14:1282073. [PMID: 37829306 PMCID: PMC10565656 DOI: 10.3389/fphar.2023.1282073] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 09/18/2023] [Indexed: 10/14/2023] Open
Abstract
Nanocomposites, formed by combining a matrix (commonly polymer or ceramic) with nanofillers (nano-sized inclusions like nanoparticles or nanofibers), possess distinct attributes attributed to their composition. Their unique physicochemical properties and interaction capabilities with microbial cells position them as a promising avenue for infectious disease treatment. The escalating prevalence of multi-drug resistant bacteria intensifies the need for alternative solutions. Traditional approaches involve antimicrobial agents like antibiotics, antivirals, and antifungals, targeting specific microbial aspects. This review presents a comprehensive overview of diverse nanocomposite types and highlights the potential of tailored matrix and antibacterial agent selection within nanocomposites to enhance treatment efficacy and decrease antibiotic resistance risks. Challenges such as toxicity, safety, and scalability in clinical applications are also acknowledged. Ultimately, the convergence of nanotechnology and infectious disease research offers the prospect of enhanced therapeutic strategies, envisioning a future wherein advanced materials revolutionize the landscape of medical treatment.
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Affiliation(s)
| | | | | | | | | | | | - Adline Princy Solomon
- Quorum Sensing Laboratory, Centre for Research in Infectious Diseases (CRID), School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, India
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28
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Mahakal S, Pathan HM, Prasad M, Rondiya S, Patole SP, Jadkar SR. Modification in Toxicity of l-Histidine-Incorporated ZnO Nanoparticles toward Escherichia coli. ACS OMEGA 2023; 8:34354-34363. [PMID: 37780019 PMCID: PMC10536091 DOI: 10.1021/acsomega.3c01183] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 06/02/2023] [Indexed: 10/03/2023]
Abstract
This paper presents a comparative study of the toxicity of pristine-ZnO and l-histidine-incorporated ZnO toward Escherichia coli (E. coli) as a Gram-negative model organism. Pristine-ZnO and l-histidine-incorporated ZnO with different l-histidine concentrations were synthesized using an open aqueous solution bath technique. XRD studies revealed the formation of polycrystalline wurtzite ZnO. The average crystallite size of the synthesized l-histidine-incorporated ZnO decreased as the concentration of l-histidine increased. The FTIR spectra showed the presence of Zn-O, CO2-/CO3-, and C-N (only in l-histidine-incorporated ZnO samples) and -OH bond vibration signals in all samples. The chemical purity of all the samples was ensured using XPS analysis. The microbial activity of these samples was investigated using E. coli. The solution with 100 μg/mL ZnO in sterile distilled water showed up to 94% growth inhibition of E. coli, establishing antibacterial activity. However, l-histidine incorporated in ZnO showed reduced antibacterial activity with the increase of the concentration of l-histidine in ZnO. Furthermore, flow cytometry studies during the interaction of ZnO and E. coli confirmed the generation of reactive oxygen species (ROS), validating its antibacterial activity. The interaction of l-histidine-incorporated ZnO and E. coli showed declining ROS with the increase in the l-histidine concentration, indicating a ZnO toxicity reduction.
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Affiliation(s)
- Shraddha Mahakal
- Department
of Physics, Savitribai Phule Pune University, Pune 411 007, India
| | - Habib M. Pathan
- Department
of Physics, Savitribai Phule Pune University, Pune 411 007, India
| | - Mohit Prasad
- Department
of Physics, Savitribai Phule Pune University, Pune 411 007, India
- Department
of Applied Science and Humanities, Pimpri
Chinchwad College Of Engineering (PCCOE), Nigdi, Pune 411 004, India
| | - Sachin Rondiya
- Department
of Materials Engineering, Indian Institute
of Science, Bangalore 560 012, India
| | - Shashikant P. Patole
- Department
of Physics, Khalifa University of Science
and Technology, Abu Dhabi 127788, UAE
| | - Sandesh R. Jadkar
- Department
of Physics, Savitribai Phule Pune University, Pune 411 007, India
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29
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Teixeira-Santos R, Gomes LC, Vieira R, Sousa-Cardoso F, Soares OSGP, Mergulhão FJ. Exploring Nitrogen-Functionalized Graphene Composites for Urinary Catheter Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2604. [PMID: 37764632 PMCID: PMC10536687 DOI: 10.3390/nano13182604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/11/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023]
Abstract
Graphene has been broadly studied, particularly for the fabrication of biomedical devices, owing to its physicochemical and antimicrobial properties. In this study, the antibiofilm efficacy of graphene nanoplatelet (GNP)-based composites as coatings for urinary catheters (UCs) was investigated. GNPs were functionalized with nitrogen (N-GNP) and incorporated into a polydimethylsiloxane (PDMS) matrix. The resulting materials were characterized, and the N-GNP/PDMS composite was evaluated against single- and multi-species biofilms of Staphylococcus aureus, Pseudomonas aeruginosa, and Klebsiella pneumoniae. Both biofilm cell composition and structure were analyzed. Furthermore, the antibacterial mechanisms of action of N-GNP were explored. The N-GNP/PDMS composite showed increased hydrophobicity and roughness compared to PDMS. In single-species biofilms, this composite significantly reduced the number of S. aureus, P. aeruginosa, and K. pneumoniae cells (by 64, 41, and 29%, respectively), and decreased S. aureus biofilm culturability (by 50%). In tri-species biofilms, a 41% reduction in total cells was observed. These results are aligned with the outcomes of the biofilm structure analysis. Moreover, N-GNP caused changes in membrane permeability and triggered reactive oxygen species (ROS) synthesis in S. aureus, whereas in Gram-negative bacteria, it only induced changes in cell metabolism. Overall, the N-GNP/PDMS composite inhibited biofilm development, showing the potential of these carbon materials as coatings for UCs.
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Affiliation(s)
- Rita Teixeira-Santos
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; (R.T.-S.); (L.C.G.); (R.V.); (F.S.-C.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal;
| | - Luciana C. Gomes
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; (R.T.-S.); (L.C.G.); (R.V.); (F.S.-C.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal;
| | - Rita Vieira
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; (R.T.-S.); (L.C.G.); (R.V.); (F.S.-C.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal;
| | - Francisca Sousa-Cardoso
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; (R.T.-S.); (L.C.G.); (R.V.); (F.S.-C.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal;
| | - Olívia S. G. P. Soares
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal;
- LSRE-LCM—Laboratory of Separation and Reaction Engineering—Laboratory of Catalysis and Materials, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Filipe J. Mergulhão
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; (R.T.-S.); (L.C.G.); (R.V.); (F.S.-C.)
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal;
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Ortega-Nieto C, Losada-Garcia N, Prodan D, Furtos G, Palomo JM. Recent Advances on the Design and Applications of Antimicrobial Nanomaterials. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2406. [PMID: 37686914 PMCID: PMC10490178 DOI: 10.3390/nano13172406] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/21/2023] [Accepted: 08/22/2023] [Indexed: 09/10/2023]
Abstract
Present worldwide difficulties in healthcare and the environment have motivated the investigation and research of novel materials in an effort to find novel techniques to address the current challenges and requirements. In particular, the use of nanomaterials has demonstrated a significant promise in the fight against bacterial infections and the problem of antibiotic resistance. Metal nanoparticles and carbon-based nanomaterials in particular have been highlighted for their exceptional abilities to inhibit many types of bacteria and pathogens. In order for these materials to be as effective as possible, synthetic techniques are crucial. Therefore, in this review article, we highlight some recent developments in the design and synthesis of various nanomaterials, including metal nanoparticles (e.g., Ag, Zn, or Cu), metal hybrid nanomaterials, and the synthesis of multi-metallic hybrid nanostructured materials. Following that, examples of these materials' applications in antimicrobial performance targeted at eradicating multi-drug resistant bacteria, material protection such as microbiologically influenced corrosion (MIC), or additives in construction materials have been described.
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Affiliation(s)
- Clara Ortega-Nieto
- Instituto de Catálisis y Petroleoquímica (ICP), CSIC, c/Marie Curie 2, 28049 Madrid, Spain; (C.O.-N.); (N.L.-G.)
| | - Noelia Losada-Garcia
- Instituto de Catálisis y Petroleoquímica (ICP), CSIC, c/Marie Curie 2, 28049 Madrid, Spain; (C.O.-N.); (N.L.-G.)
| | - Doina Prodan
- Department of Dental Composite Materials, Raluca Ripan Institute of Research in Chemistry, Babes-Bolyai University, 30 Fantanele St., 400294 Cluj-Napoca, Romania;
| | - Gabriel Furtos
- Department of Dental Composite Materials, Raluca Ripan Institute of Research in Chemistry, Babes-Bolyai University, 30 Fantanele St., 400294 Cluj-Napoca, Romania;
| | - Jose M. Palomo
- Instituto de Catálisis y Petroleoquímica (ICP), CSIC, c/Marie Curie 2, 28049 Madrid, Spain; (C.O.-N.); (N.L.-G.)
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Apostu AM, Sufaru IG, Tanculescu O, Stoleriu S, Doloca A, Ciocan Pendefunda AA, Solomon SM. Can Graphene Pave the Way to Successful Periodontal and Dental Prosthetic Treatments? A Narrative Review. Biomedicines 2023; 11:2354. [PMID: 37760795 PMCID: PMC10525677 DOI: 10.3390/biomedicines11092354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 08/15/2023] [Accepted: 08/21/2023] [Indexed: 09/29/2023] Open
Abstract
Graphene, as a promising material, holds the potential to significantly enhance the field of dental practices. Incorporating graphene into dental materials imparts enhanced strength and durability, while graphene-based nanocomposites offer the prospect of innovative solutions such as antimicrobial dental implants or scaffolds. Ongoing research into graphene-based dental adhesives and composites also suggests their capacity to improve the quality and reliability of dental restorations. This narrative review aims to provide an up-to-date overview of the application of graphene derivatives in the dental domain, with a particular focus on their application in prosthodontics and periodontics. It is important to acknowledge that further research and development are imperative to fully explore the potential of graphene and ensure its safe use in dental practices.
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Affiliation(s)
- Alina Mihaela Apostu
- Odontology-Periodontology and Fixed Prosthodontics Department, Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Irina-Georgeta Sufaru
- Odontology-Periodontology and Fixed Prosthodontics Department, Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Oana Tanculescu
- Odontology-Periodontology and Fixed Prosthodontics Department, Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Simona Stoleriu
- Odontology-Periodontology and Fixed Prosthodontics Department, Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Adrian Doloca
- Department of Preventive Medicine and Interdisciplinarity, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Alice Arina Ciocan Pendefunda
- Odontology-Periodontology and Fixed Prosthodontics Department, Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Sorina Mihaela Solomon
- Odontology-Periodontology and Fixed Prosthodontics Department, Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
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Mohamad EA, Ramadan MA, Mostafa MM, Elneklawi MS. Enhancing the antibacterial effect of iron oxide and silver nanoparticles by extremely low frequency electric fields (ELF-EF) against S. aureus. Electromagn Biol Med 2023; 42:99-113. [PMID: 37154170 DOI: 10.1080/15368378.2023.2208610] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 03/05/2023] [Indexed: 05/10/2023]
Abstract
Staphylococcus aureus is the cause of many infectious and inflammatory diseases and a lot of studies aim to discover alternative ways for infection control and treatment rather than antibiotics. This work attempts to reduce bacterial activity and growth characteristics of Staphylococcus aureus using nanoparticles (iron oxide nanoparticles and silver nanoparticles) and extremely low frequency electric fields (ELF-EF). Bacterial suspensions of Staphylococcus aureus were used to prepare the samples, which were evenly divided into groups. Control group, 10 groups were exposed to ELF-EF in the frequency range (0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, and 1 Hz), iron oxide NPs treated group, iron oxide NPs exposed to 0.8 Hz treated group, silver NPs treated group and the last group was treated with silver NPs and 0.8 Hz. Antibiotic sensitivity testing, dielectric relaxation, and biofilm development for the living microbe were used to evaluate morphological and molecular alterations. Results showed that combination of nanoparticles with ELF-EF at 0.8 Hz enhanced the bacterial inhibition efficiency, which may be due to structural changes. These were supported by the dielectric measurement results which indicated the differences in the dielectric increment and electrical conductivity for the treated samples compared with control samples. This was also confirmed by biofilm formation measurements obtained. We may conclude that the exposure of Staphylococcus aureus bacteria to ELF-EF and NPs affected its cellular activity and structure. This technique is nondestructive, safe and fast and could be considered as a mean to reduce the use of antibiotics.
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Affiliation(s)
- Ebtesam A Mohamad
- Biophysics Department, Faculty of Science, Cairo University, Giza, Egypt
| | - Marwa A Ramadan
- Department of laser application in metrology photochemistry and agriculture, National institute of laser Enhanced science NILES Cairo University Egypt, Giza, Egypt
| | - Marwa M Mostafa
- Biophysics Department, Faculty of Science, Cairo University, Giza, Egypt
| | - Mona S Elneklawi
- Department of Biomedical Equipments & Systems, Faculty of Applied Medical Sciences, October 6 University, Giza, Egypt
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Khubiev OM, Egorov AR, Kirichuk AA, Khrustalev VN, Tskhovrebov AG, Kritchenkov AS. Chitosan-Based Antibacterial Films for Biomedical and Food Applications. Int J Mol Sci 2023; 24:10738. [PMID: 37445916 DOI: 10.3390/ijms241310738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 06/24/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
Antibacterial chitosan films, versatile and eco-friendly materials, have garnered significant attention in both the food industry and medicine due to their unique properties, including biodegradability, biocompatibility, and antimicrobial activity. This review delves into the various types of chitosan films and their distinct applications. The categories of films discussed span from pure chitosan films to those enhanced with additives such as metal nanoparticles, metal oxide nanoparticles, graphene, fullerene and its derivatives, and plant extracts. Each type of film is examined in terms of its synthesis methods and unique properties, establishing a clear understanding of its potential utility. In the food industry, these films have shown promise in extending shelf life and maintaining food quality. In the medical field, they have been utilized for wound dressings, drug delivery systems, and as antibacterial coatings for medical devices. The review further suggests that the incorporation of different additives can significantly enhance the antibacterial properties of chitosan films. While the potential of antibacterial chitosan films is vast, the review underscores the need for future research focused on optimizing synthesis methods, understanding structure-property relationships, and rigorous evaluation of safety, biocompatibility, and long-term stability in real-world applications.
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Affiliation(s)
- Omar M Khubiev
- Faculty of Science, Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya St. 6, 117198 Moscow, Russia
| | - Anton R Egorov
- Faculty of Science, Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya St. 6, 117198 Moscow, Russia
| | - Anatoly A Kirichuk
- Faculty of Science, Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya St. 6, 117198 Moscow, Russia
| | - Victor N Khrustalev
- Faculty of Science, Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya St. 6, 117198 Moscow, Russia
- Zelinsky Institute of Organic Chemistry RAS, Leninsky Prosp. 47, 119991 Moscow, Russia
| | - Alexander G Tskhovrebov
- Faculty of Science, Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya St. 6, 117198 Moscow, Russia
| | - Andreii S Kritchenkov
- Faculty of Science, Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya St. 6, 117198 Moscow, Russia
- Institute of Technical Acoustics NAS of Belarus, Ludnikova Prosp. 13, 210009 Vitebsk, Belarus
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Rajaramon S, David H, Sajeevan A, Shanmugam K, Sriramulu H, Dandela R, Solomon AP. Multi-functional approach in the design of smart surfaces to mitigate bacterial infections: a review. Front Cell Infect Microbiol 2023; 13:1139026. [PMID: 37287465 PMCID: PMC10242021 DOI: 10.3389/fcimb.2023.1139026] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 05/03/2023] [Indexed: 06/09/2023] Open
Abstract
Advancements in biomedical devices are ingenious and indispensable in health care to save millions of lives. However, microbial contamination paves the way for biofilm colonisation on medical devices leading to device-associated infections with high morbidity and mortality. The biofilms elude antibiotics facilitating antimicrobial resistance (AMR) and the persistence of infections. This review explores nature-inspired concepts and multi-functional approaches for tuning in next-generation devices with antibacterial surfaces to mitigate resistant bacterial infections. Direct implementation of natural inspirations, like nanostructures on insect wings, shark skin, and lotus leaves, has proved promising in developing antibacterial, antiadhesive, and self-cleaning surfaces, including impressive SLIPS with broad-spectrum antibacterial properties. Effective antimicrobial touch surfaces, photocatalytic coatings on medical devices, and conventional self-polishing coatings are also reviewed to develop multi-functional antibacterial surfaces to mitigate healthcare-associated infections (HAIs).
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Affiliation(s)
- Shobana Rajaramon
- Quorum Sensing Laboratory, Centre for Research in Infectious Diseases (CRID), School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, India
| | - Helma David
- Quorum Sensing Laboratory, Centre for Research in Infectious Diseases (CRID), School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, India
| | - Anusree Sajeevan
- Quorum Sensing Laboratory, Centre for Research in Infectious Diseases (CRID), School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, India
| | - Karthi Shanmugam
- Quorum Sensing Laboratory, Centre for Research in Infectious Diseases (CRID), School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, India
| | - Hrithiha Sriramulu
- Quorum Sensing Laboratory, Centre for Research in Infectious Diseases (CRID), School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, India
| | - Rambabu Dandela
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Bhubaneswar, India
| | - Adline Princy Solomon
- Quorum Sensing Laboratory, Centre for Research in Infectious Diseases (CRID), School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, India
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Bhatt S, Pathak R, Punetha VD, Punetha M. Recent advances and mechanism of antimicrobial efficacy of graphene-based materials: a review. JOURNAL OF MATERIALS SCIENCE 2023; 58:7839-7867. [PMID: 37200572 PMCID: PMC10166465 DOI: 10.1007/s10853-023-08534-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 04/24/2023] [Indexed: 05/20/2023]
Abstract
Graphene-based materials have undergone substantial investigation in recent years owing to their wide array of physicochemical characteristics. Employment of these materials in the current state, where infectious illnesses caused by microbes have severely damaged human life, has found widespread application in combating fatal infectious diseases. These materials interact with the physicochemical characteristics of the microbial cell and alter or damage them. The current review is dedicated to molecular mechanisms underlying the antimicrobial property of graphene-based materials. Various physical and chemical mechanisms leading to cell membrane stress, mechanical wrapping, photo-thermal ablation as well as oxidative stress exerting antimicrobial effect have also been thoroughly discussed. Furthermore, an overview of the interactions of these materials with membrane lipids, proteins, and nucleic acids has been provided. A thorough understanding of discussed mechanisms and interactions is essential to develop extremely effective antimicrobial nanomaterial for application as an antimicrobial agent. Graphical abstract
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Affiliation(s)
- Shalini Bhatt
- 2D Materials and LASER Actuation Laboratory, Centre of Excellence for Research, PP Savani University, NH-8, Kosamba-Surat, Gujarat 394125 India
| | - Rakshit Pathak
- 2D Materials and LASER Actuation Laboratory, Centre of Excellence for Research, PP Savani University, NH-8, Kosamba-Surat, Gujarat 394125 India
| | - Vinay Deep Punetha
- 2D Materials and LASER Actuation Laboratory, Centre of Excellence for Research, PP Savani University, NH-8, Kosamba-Surat, Gujarat 394125 India
| | - Mayank Punetha
- 2D Materials and LASER Actuation Laboratory, Centre of Excellence for Research, PP Savani University, NH-8, Kosamba-Surat, Gujarat 394125 India
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Zakharova OV, Belova VV, Baranchikov PA, Kostyakova AA, Muratov DS, Grigoriev GV, Chebotaryova SP, Kuznetsov DV, Gusev AA. The Conditions Matter: The Toxicity of Titanium Trisulfide Nanoribbons to Bacteria E. coli Changes Dramatically Depending on the Chemical Environment and the Storage Time. Int J Mol Sci 2023; 24:ijms24098299. [PMID: 37176006 PMCID: PMC10179056 DOI: 10.3390/ijms24098299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 04/24/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023] Open
Abstract
In this work, we present an analysis of the antibacterial activity of TiS3 nanostructures in water and 0.9% NaCl solution suspensions. TiS3 nanoribbons 1-10 µm long, 100-300 nm wide, and less than 100 nm thick were produced by the direct reaction of pure titanium powder with elemental sulphur in a quartz tube sealed under vacuum. For the toxicity test of a bioluminescent strain of E. coli we used concentrations from 1 to 0.0001 g L-1 and also studied fresh suspensions and suspensions left for 24 h. The strongest toxic effect was observed in freshly prepared water solutions where the luminescence of bacteria decreased by more than 75%. When saline solution was substituted for water or when the solutions were stored for 24 h it resulted in a considerable decrease in the TiS3 antibacterial effect. The toxicity of TiS3 in water exceeded the toxicity of the reference TiO2 nanoparticles, though when saline solution was used instead of water the opposite results were observed. In addition, we did not find a relationship between the antibacterial activity of water suspensions of nanoribbons and the stability of their colloidal systems, which indicates an insignificant contribution to the toxicity of aggregation processes. In 0.9% NaCl solution suspensions, toxicity increased in proportion to the increase in the zeta potential. We suppose that the noted specificity of toxicity is associated with the emission of hydrogen sulphide molecules from the surface of nanoribbons, which, depending on the concentration, can either decrease or increase oxidative stress, which is considered the key mechanism of nanomaterial cytotoxicity. However, the exact underlying mechanisms need further investigation. Thus, we have shown an important role of the dispersion medium and the period of storage in the antibacterial activity of TiS3 nanoribbons. Our results could be used in nanotoxicological studies of other two-dimensional nanomaterials, and for the development of novel antibacterial substances and other biomedical applications of this two-dimensional material.
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Affiliation(s)
- Olga V Zakharova
- Institute for Environmental Science and Biotechnology, Derzhavin Tambov State University, 392020 Tambov, Russia
- Department of Functional Nanosystems and High-Temperature Materials, National University of Science and Technology «MISIS», 119991 Moscow, Russia
- Engineering Center, Plekhanov Russian University of Economics, 117997 Moscow, Russia
| | - Valeria V Belova
- Institute for Environmental Science and Biotechnology, Derzhavin Tambov State University, 392020 Tambov, Russia
| | - Peter A Baranchikov
- Institute for Environmental Science and Biotechnology, Derzhavin Tambov State University, 392020 Tambov, Russia
| | - Anna A Kostyakova
- Institute for Environmental Science and Biotechnology, Derzhavin Tambov State University, 392020 Tambov, Russia
| | - Dmitry S Muratov
- Department of Functional Nanosystems and High-Temperature Materials, National University of Science and Technology «MISIS», 119991 Moscow, Russia
- Scientific School "Chemistry and Technology of Polymer Materials", Plekhanov Russian University of Economics, Stremyanny Lane 36, 117997 Moscow, Russia
| | - Gregory V Grigoriev
- Institute for Environmental Science and Biotechnology, Derzhavin Tambov State University, 392020 Tambov, Russia
| | - Svetlana P Chebotaryova
- Institute for Environmental Science and Biotechnology, Derzhavin Tambov State University, 392020 Tambov, Russia
| | - Denis V Kuznetsov
- Department of Functional Nanosystems and High-Temperature Materials, National University of Science and Technology «MISIS», 119991 Moscow, Russia
| | - Alexander A Gusev
- Institute for Environmental Science and Biotechnology, Derzhavin Tambov State University, 392020 Tambov, Russia
- Department of Functional Nanosystems and High-Temperature Materials, National University of Science and Technology «MISIS», 119991 Moscow, Russia
- Engineering Center, Plekhanov Russian University of Economics, 117997 Moscow, Russia
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Eskandari F, Ghahramani Y, Abbaszadegan A, Gholami A. The antimicrobial efficacy of nanographene oxide and double antibiotic paste per se and in combination: part II. BMC Oral Health 2023; 23:253. [PMID: 37131216 PMCID: PMC10155346 DOI: 10.1186/s12903-023-02957-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Accepted: 04/10/2023] [Indexed: 05/04/2023] Open
Abstract
BACKGROUND Finding strategies to overcome the rising trends of antimicrobial resistance against currently available antimicrobial agents has become increasingly relevant. Graphene oxide has recently emerged as a promising material due to its outstanding physicochemical and biological properties. This study aimed to validate previous data on the antibacterial activity of nanographene oxide (nGO), double antibiotic paste (DAP), and their combination (nGO-DAP). METHODS The antibacterial evaluation was performed against a wide range of microbial pathogens. Synthesis of nGO was achieved using a modified Hummers' method, and loading it with ciprofloxacin and metronidazole resulted in nGO-DAP. The microdilution method was utilized to assess the antimicrobial efficacy of nGO, DAP, and nGO-DAP against two gram-positive bacteria (S. aureus and E. faecalis), two gram-negative bacteria (E. coli, and S. typhi), and an opportunistic pathogenic yeast (C. albicans). Statistical analysis was conducted using one-sample t-test and one-way ANOVA (α = 0.05). RESULTS All three antimicrobial agents significantly increased the killing percent of microbial pathogens compared to the control group (P < 0.05). Furthermore, the synthesized nGO-DAP exhibited higher antimicrobial activity than nGO and DAP per se. CONCLUSION The novel synthesized nGO-DAP can be used as an effective antimicrobial nanomaterial for use in dental, biomedical, and pharmaceutical fields against a range of microbial pathogens, including gram-negative and gram-positive bacteria, as well as yeasts.
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Affiliation(s)
- Fateme Eskandari
- Dentist, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Yasamin Ghahramani
- Department of Endodontics, School of Dentistry, Shiraz University of Medical Sciences, Ghasrdasht Street, Shiraz, 71956-15878, Iran
| | - Abbas Abbaszadegan
- Department of Endodontics, School of Dentistry, Shiraz University of Medical Sciences, Ghasrdasht Street, Shiraz, 71956-15878, Iran.
| | - Ahmad Gholami
- Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran.
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Shankar K, Agarwal S, Mishra S, Bhatnagar P, Siddiqui S, Abrar I. A review on antimicrobial mechanism and applications of graphene-based materials. BIOMATERIALS ADVANCES 2023; 150:213440. [PMID: 37119697 DOI: 10.1016/j.bioadv.2023.213440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 04/18/2023] [Accepted: 04/19/2023] [Indexed: 05/01/2023]
Abstract
In recent years, graphene and its derivatives, owing to their phenomenal surface, and mechanical, electrical, and chemical properties, have emerged as advantageous materials, especially in terms of their potential for antimicrobial applications. Particularly important among graphene's derivatives is graphene oxide (GO) due to the ease with which its surface can be modified, as well as the oxidative and membrane stress that it exerts on microbes. This review encapsulates all aspects regarding the functionalization of graphene-based materials (GBMs) into composites that are highly potent against bacterial, viral, and fungal activities. Governing factors, such as lateral size (LS), number of graphene layers, solvent and GBMs' concentration, microbial shape and size, aggregation ability of GBMs, and especially the mechanisms of interaction between composites and microbes are discussed in detail. The current and potential applications of these antimicrobial materials, especially in dentistry, osseointegration, and food packaging, have been described. This knowledge can further drive research that aims to look for the most suitable components for antimicrobial composites. The need for antimicrobial materials has seldom been more felt than during the COVID-19 pandemic, which has also been highlighted here. Possible future research areas include the exploration of GBMs' ability against algae.
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Affiliation(s)
- Krishna Shankar
- Department of Chemical Engineering, Birla Institute of Technology and Science, Pilani - Hyderabad Campus, Shameerpet, Hyderabad, Telangana 500078, India
| | - Satakshi Agarwal
- Department of Chemical Engineering, Birla Institute of Technology and Science, Pilani - Hyderabad Campus, Shameerpet, Hyderabad, Telangana 500078, India
| | - Subham Mishra
- Department of Chemical Engineering, Birla Institute of Technology and Science, Pilani - Hyderabad Campus, Shameerpet, Hyderabad, Telangana 500078, India
| | - Pranshul Bhatnagar
- Department of Chemical Engineering, Birla Institute of Technology and Science, Pilani - Hyderabad Campus, Shameerpet, Hyderabad, Telangana 500078, India
| | - Sufiyan Siddiqui
- Department of Chemical Engineering, Birla Institute of Technology and Science, Pilani - Hyderabad Campus, Shameerpet, Hyderabad, Telangana 500078, India
| | - Iyman Abrar
- Department of Chemical Engineering, Birla Institute of Technology and Science, Pilani - Hyderabad Campus, Shameerpet, Hyderabad, Telangana 500078, India.
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Bhatt S, Punetha VD, Pathak R, Punetha M. Graphene in nanomedicine: A review on nano-bio factors and antibacterial activity. Colloids Surf B Biointerfaces 2023; 226:113323. [PMID: 37116377 DOI: 10.1016/j.colsurfb.2023.113323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/07/2023] [Accepted: 04/18/2023] [Indexed: 04/30/2023]
Abstract
Graphene-based nanomaterials possess potent antibacterial activity and have engrossed immense interest among researchers as an active armour against pathogenic microbes. A comprehensive perception of the antibacterial activity of these nanomaterials is critical to the fabrication of highly effective antimicrobial nanomaterials, which results in highly efficient and enhanced activity. These materials owing to their antimicrobial activity are utilized as nanomedicine against various pathogenic microbes. The present article reviews the antimicrobial activity of graphene and its analogs such as graphene oxide, reduced graphene oxide as well as metal, metal oxide and polymeric composites. The review draws emphasis on the effect of various nano-bio factors on the antibacterial capability. It also provides an insight into the antibacterial properties of these materials along with a brief discussion on the discrepancies in their activities as evidenced by the scientific communities. In this way, the review is expected to shed light on future research and development in graphene-based nanomedicine.
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Affiliation(s)
- Shalini Bhatt
- 2D Materials and LASER Actuation Laboratory, Centre of Excellence for Research, P P Savani University, NH-8, Surat, Gujarat 394125, India.
| | - Vinay Deep Punetha
- 2D Materials and LASER Actuation Laboratory, Centre of Excellence for Research, P P Savani University, NH-8, Surat, Gujarat 394125, India
| | - Rakshit Pathak
- 2D Materials and LASER Actuation Laboratory, Centre of Excellence for Research, P P Savani University, NH-8, Surat, Gujarat 394125, India
| | - Mayank Punetha
- 2D Materials and LASER Actuation Laboratory, Centre of Excellence for Research, P P Savani University, NH-8, Surat, Gujarat 394125, India
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Martín C, Bachiller A, Fernández-Blázquez JP, Nishina Y, Jorcano JL. Plasma-Derived Fibrin Hydrogels Containing Graphene Oxide for Infections Treatment. ACS MATERIALS LETTERS 2023; 5:1245-1255. [PMID: 38323142 PMCID: PMC10842975 DOI: 10.1021/acsmaterialslett.2c01044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 03/20/2023] [Indexed: 02/08/2024]
Abstract
Wound infection is inevitable in most patients suffering from extensive burns or chronic ulcers, and there is an urgent demand for the production of bactericidal dressings to be used as grafts to restore skin functionalities. In this context, the present study explores the fabrication of plasma-derived fibrin hydrogels containing bactericidal hybrids based on graphene oxide (GO). The hydrogels were fully characterized regarding gelation kinetics, mechanical properties, and internal hydrogel structures by disruptive cryo scanning electron microscopies (cryo-SEMs). The gelation kinetic experiments revealed an acceleration of the gel formation when GO was added to the hydrogels in a concentration of up to 0.2 mg/mL. The cryo-SEM studies showed up a decrease of the pore size when GO was added to the network, which agreed with a faster area contraction and a higher compression modulus of the hydrogels that contained GO, pointing out the critical structural role of the nanomaterial. Afterward, to study the bactericidal ability of the gels, GO was used as a carrier, loading streptomycin (STREP) on its surface. The loading content of the drug to form the hybrid (GO/STREP) resulted in 50.2% ± 4.7%, and the presence of the antibiotic was also demonstrated by Raman spectroscopy, Z-potential studies, and thermogravimetric analyses. The fibrin-derived hydrogels containing GO/STREP showed a dose-response behavior according to the bactericidal hybrid concentration and allowed a sustained release of the antibiotic at a programmed rate, leading to drug delivery over a prolonged period of time.
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Affiliation(s)
- Cristina Martín
- Department
of Bioengineering, Universidad Carlos III
de Madrid, Leganés 28911, Spain
| | - Ariadna Bachiller
- Department
of Bioengineering, Universidad Carlos III
de Madrid, Leganés 28911, Spain
| | | | - Yuta Nishina
- Graduate
School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan
- Research
Core for Interdisciplinary Sciences, Okayama
University, Okayama 700-8530, Japan
| | - José L. Jorcano
- Department
of Bioengineering, Universidad Carlos III
de Madrid, Leganés 28911, Spain
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Fukuto A, Kang J, Gates BL, Sannajust K, Pinkerton KE, Van Winkle LS, Kiuchi Y, Leonard BC, Thomasy SM. Effect of graphene-based nanomaterials on corneal wound healing in vitro. Exp Eye Res 2023; 229:109419. [PMID: 36806671 PMCID: PMC10131158 DOI: 10.1016/j.exer.2023.109419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 01/08/2023] [Accepted: 02/14/2023] [Indexed: 02/18/2023]
Abstract
Graphene-based nanomaterials (GBNs) are widely used due to their chemical and physical properties for multiple commercial and environmental applications. From an occupational health perspective, there is concern regarding the effects of inhalation on the respiratory system, and many studies have been conducted to study inhalation impacts on lung. Similar to the respiratory system, the eyes may also be exposed to GBNs and thus impacted. In this study, immortalized human corneal epithelial (hTCEpi) cells and rabbit corneal fibroblasts (RCFs) were used to investigate the toxicity of eight types of GBN: graphene oxide (GO; 400 nm), GO (1 μm), partially reduced graphene oxide (PRGO; 400 nm), reduced graphene oxide (RGO; 400 nm), RGO (2 μm), graphene (110 nm), graphene (140 nm), and graphene (1 μm). We next examined the effects of these GBNs on hTCEpi cell migration. We also determined whether the expression of α-smooth muscle actin (αSMA), a myofibroblast marker, is altered by the GBNs using RCFs. We found that RGO (400 nm) and RGO (2 μm) were highly toxic to hTCEPi cells and RCFs meanwhile, PRGO (400 nm) was toxic only to hTCEpi cells. In addition, PRGO (400 nm), RGO (400 nm), and RGO (2 μm) inhibited hTCEpi cell migration and significantly increased αSMA mRNA expression. Further study in vivo is required to determine if RGO nanomaterials delay corneal epithelial healing and induce scar formation.
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Affiliation(s)
- Atsuhiko Fukuto
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA, 95616, USA; Department of Ophthalmology and Visual Sciences, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Kasumi 1-2-3, Hiroshima, 734-8551, Japan
| | - Jennifer Kang
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA, 95616, USA
| | - Brooke L Gates
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA, 95616, USA
| | - Kimberley Sannajust
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA, 95616, USA
| | - Kent E Pinkerton
- Center for Health and the Environment, University of California-Davis, Davis, CA, 95616, USA; Department of Anatomy, Physiology and Cell Biology, School of Veterinary Medicine, University of California-Davis, Davis, CA, 95616, USA
| | - Laura S Van Winkle
- Center for Health and the Environment, University of California-Davis, Davis, CA, 95616, USA; Department of Anatomy, Physiology and Cell Biology, School of Veterinary Medicine, University of California-Davis, Davis, CA, 95616, USA
| | - Yoshiaki Kiuchi
- Department of Ophthalmology and Visual Sciences, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Kasumi 1-2-3, Hiroshima, 734-8551, Japan
| | - Brian C Leonard
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA, 95616, USA
| | - Sara M Thomasy
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA, 95616, USA; Department of Ophthalmology & Vision Science, School of Medicine, University of California-Davis, Davis, CA, 95616, USA.
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Oves M, Ansari MO, Ansari MS, Memić A. Graphene@Curcumin-Copper Paintable Coatings for the Prevention of Nosocomial Microbial Infection. Molecules 2023; 28:molecules28062814. [PMID: 36985785 PMCID: PMC10051306 DOI: 10.3390/molecules28062814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/02/2023] [Accepted: 03/07/2023] [Indexed: 03/30/2023] Open
Abstract
The rise of antimicrobial resistance has brought into focus the urgent need for the next generation of antimicrobial coating. Specifically, the coating of suitable antimicrobial nanomaterials on contact surfaces seems to be an effective method for the disinfection/contact killing of microorganisms. In this study, the antimicrobial coatings of graphene@curcumin-copper (GN@CR-Cu) were prepared using a chemical synthesis methodology. Thus, the prepared GN@CR-Cu slurry was successfully coated on different contact surfaces, and subsequently, the GO in the composite was reduced to graphene (GN) by low-temperature heating/sunlight exposure. Scanning electron microscopy was used to characterize the coated GN@CR-Cu for the coating properties, X-ray photon scattering were used for structural characterization and material confirmation. From the morphological analysis, it was seen that CR and Cu were uniformly distributed throughout the GN network. The nanocomposite coating showed antimicrobial properties by contact-killing mechanisms, which was confirmed by zone inhibition and scanning electron microscopy. The materials showed maximum antibacterial activity against E. coli (24 ± 0.50 mm) followed by P. aeruginosa (18 ± 0.25 mm) at 25 µg/mL spot inoculation on the solid media plate, and a similar trend was observed in the minimum inhibition concentration (80 µg/mL) and bactericidal concentration (160 µg/mL) in liquid media. The synthesized materials showed excellent activity against E. coli and P. aeruginosa. These materials, when coated on different contact surfaces such medical devices, might significantly reduce the risk of nosocomial infection.
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Affiliation(s)
- Mohammad Oves
- Center of Excellence in Environmental Studies, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | | | | | - Adnan Memić
- Center of Nanotechnology, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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Lazăr AI, Aghasoleimani K, Semertsidou A, Vyas J, Roșca AL, Ficai D, Ficai A. Graphene-Related Nanomaterials for Biomedical Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1092. [PMID: 36985986 PMCID: PMC10051126 DOI: 10.3390/nano13061092] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/03/2023] [Accepted: 03/12/2023] [Indexed: 06/18/2023]
Abstract
This paper builds on the context and recent progress on the control, reproducibility, and limitations of using graphene and graphene-related materials (GRMs) in biomedical applications. The review describes the human hazard assessment of GRMs in in vitro and in vivo studies, highlights the composition-structure-activity relationships that cause toxicity for these substances, and identifies the key parameters that determine the activation of their biological effects. GRMs are designed to offer the advantage of facilitating unique biomedical applications that impact different techniques in medicine, especially in neuroscience. Due to the increasing utilization of GRMs, there is a need to comprehensively assess the potential impact of these materials on human health. Various outcomes associated with GRMs, including biocompatibility, biodegradability, beneficial effects on cell proliferation, differentiation rates, apoptosis, necrosis, autophagy, oxidative stress, physical destruction, DNA damage, and inflammatory responses, have led to an increasing interest in these regenerative nanostructured materials. Considering the existence of graphene-related nanomaterials with different physicochemical properties, the materials are expected to exhibit unique modes of interactions with biomolecules, cells, and tissues depending on their size, chemical composition, and hydrophil-to-hydrophobe ratio. Understanding such interactions is crucial from two perspectives, namely, from the perspectives of their toxicity and biological uses. The main aim of this study is to assess and tune the diverse properties that must be considered when planning biomedical applications. These properties include flexibility, transparency, surface chemistry (hydrophil-hydrophobe ratio), thermoelectrical conductibility, loading and release capacity, and biocompatibility.
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Affiliation(s)
- Andreea-Isabela Lazăr
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, Gh. Polizu St. 1–7, 011061 Bucharest, Romania
- National Centre for Micro- and Nanomaterials, University POLITEHNICA of Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania;
- National Centre for Food Safety, University Politehnica of Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania
| | | | - Anna Semertsidou
- Charles River Laboratories, Margate, Manston Road, Kent CT9 4LT, UK
| | - Jahnavi Vyas
- Drug Development Solution, Newmarket road, Ely, CB7 5WW, UK
| | - Alin-Lucian Roșca
- National Centre for Food Safety, University Politehnica of Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania
| | - Denisa Ficai
- National Centre for Micro- and Nanomaterials, University POLITEHNICA of Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania;
- National Centre for Food Safety, University Politehnica of Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania
- Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, Gh. Polizu St. 1–7, 011061 Bucharest, Romania
| | - Anton Ficai
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, Gh. Polizu St. 1–7, 011061 Bucharest, Romania
- National Centre for Micro- and Nanomaterials, University POLITEHNICA of Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania;
- National Centre for Food Safety, University Politehnica of Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania
- Academy of Romanian Scientists, Ilfov St. 3, 050045 Bucharest, Romania
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Alangari A, Mateen A, Alqahtani MS, Shahid M, Syed R, Shaik MR, Khan M, Adil SF, Kuniyil M. Antimicrobial, anticancer, and biofilm inhibition studies of highly reduced graphene oxide (HRG): In vitro and in silico analysis. Front Bioeng Biotechnol 2023; 11:1149588. [PMID: 37025362 PMCID: PMC10071309 DOI: 10.3389/fbioe.2023.1149588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Accepted: 02/23/2023] [Indexed: 03/18/2023] Open
Abstract
Background: Bacterial infections and cancers may cause various acute or chronic diseases, which have become serious global health issues. This requires suitable alternatives involving novel and efficient materials to replace ineffective existing therapies. In this regard, graphene composites are being continuously explored for a variety of purposes, including biomedical applications, due to their remarkable properties.Methods: Herein, we explore, in-vitro, the different biological properties of highly reduced graphene oxide (HRG), including anti-cancer, anti-bacterial, and anti-biofilm properties. Furthermore, to analyze the interactions of graphene with proteins of microbes, in silico docking analysis was also carried out. To do this, HRG was prepared using graphene oxide as a precursor, which was further chemically reduced to obtain the final product. The as-prepared HRG was characterized using different types of microscopic and spectroscopic techniques.Results: The HRG revealed significant cytotoxic ability, using a dose-dependent anti-cell proliferation approach, which substantially killed human breast cancer cells (MCF-7) with IC50 of 29.51 ± 2.68 μg/mL. The HRG demonstrated efficient biological properties, i.e., even at low concentrations, HRG exhibited efficient anti-microbial properties against a variety of microorganisms. Among the different strains, Gram-positive bacteria, such as B. subtilis, MRSA, and S. aureus are more sensitive to HRG compared to Gram-negative bacteria. The bactericidal properties of HRG are almost similar to a commercially available effective antibiotic (ampicillin). To evaluate the efficacy of HRG against bacterial biofilms, Pseudomonas aeruginosa and MRSA were applied, and the results were compared with gentamycin and ampicillin, which are commonly applied standard antibiotics. Notably, HRG demonstrated high inhibition (94.23%) against P.aeruginosa, with lower MIC (50 μg/mL) and IC50 (26.53 μg/mL) values, whereas ampicillin and gentamicin showed similar inhibition (90.45% and 91.31% respectively) but much higher MIC and IC50 values.Conclusion: Therefore, these results reveal the excellent biopotential of HRG in different biomedical applications, including cancer therapy; antimicrobial activity, especially anti-biofilm activity; and other biomedicine-based therapies. Based on the molecular docking results of Binding energy, it is predicted that pelB protein and HRG would form the best stable docking complex, and high hydrogen and hydrophobic interactions between the pelB protein and HRG have been revealed. Therefore, we conclude that HRG could be used as an antibiofilm agent against P. aeruginosa infections.
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Affiliation(s)
- Abdulaziz Alangari
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Ayesha Mateen
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Mohammed S. Alqahtani
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Mudassar Shahid
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Rabbani Syed
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
- *Correspondence: Rabbani Syed,
| | - Mohammed Rafi Shaik
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mujeeb Khan
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Syed Farooq Adil
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mufsir Kuniyil
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
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Xiao Y, Pang YX, Yan Y, Qian P, Zhao H, Manickam S, Wu T, Pang CH. Synthesis and Functionalization of Graphene Materials for Biomedical Applications: Recent Advances, Challenges, and Perspectives. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2205292. [PMID: 36658693 PMCID: PMC10037997 DOI: 10.1002/advs.202205292] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 12/05/2022] [Indexed: 06/17/2023]
Abstract
Since its discovery in 2004, graphene is increasingly applied in various fields owing to its unique properties. Graphene application in the biomedical domain is promising and intriguing as an emerging 2D material with a high surface area, good mechanical properties, and unrivalled electronic and physical properties. This review summarizes six typical synthesis methods to fabricate pristine graphene (p-G), graphene oxide (GO), and reduced graphene oxide (rGO), followed by characterization techniques to examine the obtained graphene materials. As bare graphene is generally undesirable in vivo and in vitro, functionalization methods to reduce toxicity, increase biocompatibility, and provide more functionalities are demonstrated. Subsequently, in vivo and in vitro behaviors of various bare and functionalized graphene materials are discussed to evaluate the functionalization effects. Reasonable control of dose (<20 mg kg-1 ), sizes (50-1000 nm), and functionalization methods for in vivo application are advantageous. Then, the key biomedical applications based on graphene materials are discussed, coupled with the current challenges and outlooks of this growing field. In a broader sense, this review provides a comprehensive discussion on the synthesis, characterization, functionalization, evaluation, and application of p-G, GO, and rGO in the biomedical field, highlighting their recent advances and potential.
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Affiliation(s)
- Yuqin Xiao
- Department of Chemical and Environmental EngineeringUniversity of Nottingham Ningbo ChinaNingbo315100P. R. China
- New Materials InstituteUniversity of NottinghamNingbo315100P. R. China
- Materials Interfaces CenterShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhenGuangdong518055P. R. China
| | - Yoong Xin Pang
- Department of Chemical and Environmental EngineeringUniversity of Nottingham Ningbo ChinaNingbo315100P. R. China
- New Materials InstituteUniversity of NottinghamNingbo315100P. R. China
| | - Yuxin Yan
- College of Energy EngineeringZhejiang UniversityHangzhouZhejiang310027P. R. China
| | - Ping Qian
- Beijing Advanced Innovation Center for Materials Genome EngineeringBeijing100083P. R. China
- School of Mathematics and PhysicsUniversity of Science and Technology BeijingBeijing100083P. R. China
| | - Haitao Zhao
- Materials Interfaces CenterShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhenGuangdong518055P. R. China
| | - Sivakumar Manickam
- Petroleum and Chemical EngineeringFaculty of EngineeringUniversiti Teknologi BruneiBandar Seri BegawanBE1410Brunei Darussalam
| | - Tao Wu
- New Materials InstituteUniversity of NottinghamNingbo315100P. R. China
- Key Laboratory for Carbonaceous Wastes Processing and ProcessIntensification Research of Zhejiang ProvinceUniversity of Nottingham Ningbo ChinaNingbo315100P. R. China
| | - Cheng Heng Pang
- Department of Chemical and Environmental EngineeringUniversity of Nottingham Ningbo ChinaNingbo315100P. R. China
- Municipal Key Laboratory of Clean Energy Conversion TechnologiesUniversity of Nottingham Ningbo ChinaNingbo315100P. R. China
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Dubadi R, Huang SD, Jaroniec M. Mechanochemical Synthesis of Nanoparticles for Potential Antimicrobial Applications. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16041460. [PMID: 36837091 PMCID: PMC9961116 DOI: 10.3390/ma16041460] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 02/02/2023] [Accepted: 02/06/2023] [Indexed: 05/13/2023]
Abstract
There is an increased interest in porous materials due to their unique properties such as high surface area, enhanced catalytic properties, and biological applications. Various solvent-based approaches have been already used to synthesize porous materials. However, the use of large volume of solvents, their toxicity, and time-consuming synthesis make this process less effective, at least in terms of principles of green chemistry. Mechanochemical synthesis is one of the effective eco-friendly alternatives to the conventional synthesis. It adopts the efficient mixing of reactants using ball milling without or with a very small volume of solvents, gives smaller size nanoparticles (NPs) and larger surface area, and facilitates their functionalization, which is highly beneficial for antimicrobial applications. A large variety of nanomaterials for different applications have already been synthesized by this method. This review emphasizes the comparison between the solvent-based and mechanochemical methods for the synthesis of mainly inorganic NPs for potential antimicrobial applications, although some metal-organic framework NPs are briefly presented too.
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Martins VGFC, Alencar LMR, Souza PFN, Lorentino CMA, Frota HF, dos Santos ALS, Gemini-Piperni S, Morandi V, Rodrigues VG, Pereira JX, Ricci-Junior E, de Barros AODS, Santos-Oliveira R. Wound dressing using graphene quantum dots: a proof of concept. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2023. [DOI: 10.1007/s40005-023-00612-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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Graphene-Based Materials in Dental Applications: Antibacterial, Biocompatible, and Bone Regenerative Properties. Int J Biomater 2023; 2023:8803283. [PMID: 36819211 PMCID: PMC9929215 DOI: 10.1155/2023/8803283] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 01/06/2023] [Accepted: 01/09/2023] [Indexed: 02/10/2023] Open
Abstract
Graphene-based materials have been shown to have advantageous properties in biomedical and dental applications due to their high mechanical, physiochemical, antibacterial, and stem cell differentiating properties. Although graphene-based materials have displayed appropriate biocompatible properties when used in implant materials for orthopedic applications, little research has been performed to specifically test the biocompatibility of graphene for dental applications. The oral environment, compared to the body, varies greatly and must be considered when evaluating biocompatibility requirements for dental applications. This review will discuss in vitro and in vivo studies that assess graphene's cytotoxicity, antibacterial properties, and cell differentiation ability to evaluate the overall biocompatibility of graphene-based materials for dental applications. Particle shape, size, and concentration were found to be major factors that affected overall biocompatibility of graphene.
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Synthesis, Characterization, and Evaluation of Antimicrobial Efficacy of Reduced Graphene-ZnO-Copper Nanocomplex. Antibiotics (Basel) 2023; 12:antibiotics12020246. [PMID: 36830156 PMCID: PMC9952439 DOI: 10.3390/antibiotics12020246] [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: 11/04/2022] [Revised: 01/11/2023] [Accepted: 01/20/2023] [Indexed: 01/27/2023] Open
Abstract
The prevalence of antibiotic-resistant diseases drives a constant hunt for new substitutes. Metal-containing inorganic nanoparticles have broad-spectrum antimicrobial potential to kill Gram-negative and Gram-positive bacteria. In this investigation, reduced graphene oxide-coated zinc oxide-copper (rGO@ZnO-Cu) nanocomposite was prepared by anchoring Cu over ZnO nanorods followed by coating with graphene oxide (GO) and subsequent reduction of GO to rGO. The synthesized nanocomposite was characterized by scanning electron microscopy, transmission electron microscopy, elemental analysis, and elemental mapping. Morphologically, ZnO-Cu showed big, irregular rods, rectangular and spherical-shaped ZnO, and anchored clusters of aggregated Cu particles. The Cu aggregates are spread uniformly throughout the network. Most of the ZnO particles were partially covered with Cu aggregates, while some of the ZnO was fully covered with Cu. In the case of rGO@ZnO-Cu, a few layered rGO sheets were observed on the surface as well as deeply embedded inside the network of ZnO-Cu. The rGO@ZnO-Cu complex exhibited antimicrobial activity against Gram-positive and Gram-negative bacteria; however, it was more effective on Staphylococcus aureus than Escherichia coli. Thus, rGO@ZnO-Cu nanocomposites could be an effective alternative against Gram-positive and Gram-negative bacterial pathogens.
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50
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Evariste L, Mouchet F, Pinelli E, Flahaut E, Gauthier L, Barret M. Gut microbiota impairment following graphene oxide exposure is associated to physiological alterations in Xenopus laevis tadpoles. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159515. [PMID: 36270377 DOI: 10.1016/j.scitotenv.2022.159515] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 10/03/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
Graphene-based nanomaterials such as graphene oxide (GO) possess unique properties triggering high expectations for the development of technological applications. Thus, GO is likely to be released in aquatic ecosystems. It is essential to evaluate its ecotoxicological potential to ensure a safe use of these nanomaterials. In amphibians, previous studies highlighted X. laevis tadpole growth inhibitions together with metabolic disturbances and genotoxic effects following GO exposure. As GO is known to exert bactericidal effects whereas the gut microbiota constitutes a compartment involved in host homeostasis regulation, it is important to determine if this microbial compartment constitutes a toxicological pathway involved in known GO-induced host physiological impairments. This study investigates the potential link between gut microbial communities and host physiological alterations. For this purpose, X. laevis tadpoles were exposed during 12 days to GO. Growth rate was monitored every 2 days and genotoxicity was assessed through enumeration of micronucleated erythrocytes. Genomic DNA was also extracted from the whole intestine to quantify gut bacteria and to analyze the community composition. GO exposure led to a dose dependent growth inhibition and genotoxic effects were detected following exposure to low doses. A transient decrease of the total bacteria was noticed with a persistent shift in the gut microbiota structure in exposed animals. Genotoxic effects were associated to gut microbiota remodeling characterized by an increase of the relative abundance of Bacteroides fragilis. The growth inhibitory effects would be associated to a shift in the Firmicutes/Bacteroidetes ratio while metagenome inference suggested changes in metabolic pathways and upregulation of detoxification processes. This work indicates that the gut microbiota compartment is a biological compartment of interest as it is integrative of host physiological alterations and should be considered for ecotoxicological studies as structural or functional impairments could lead to later life host fitness loss.
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Affiliation(s)
- Lauris Evariste
- Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France.
| | - Florence Mouchet
- Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Eric Pinelli
- Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Emmanuel Flahaut
- CIRIMAT, Université de Toulouse, CNRS, INPT, UPS, UMR CNRS-UPS-INP N°5085, Université Toulouse 3 Paul Sabatier, Bât. CIRIMAT, 118 Route de Narbonne, 31062 Toulouse Cedex 9, France
| | - Laury Gauthier
- Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Maialen Barret
- Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
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