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Zorrón M, Cabrera AL, Sharma R, Radhakrishnan J, Abbaszadeh S, Shahbazi M, Tafreshi OA, Karamikamkar S, Maleki H. Emerging 2D Nanomaterials-Integrated Hydrogels: Advancements in Designing Theragenerative Materials for Bone Regeneration and Disease Therapy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2403204. [PMID: 38874422 PMCID: PMC11336986 DOI: 10.1002/advs.202403204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/16/2024] [Indexed: 06/15/2024]
Abstract
This review highlights recent advancements in the synthesis, processing, properties, and applications of 2D-material integrated hydrogels, with a focus on their performance in bone-related applications. Various synthesis methods and types of 2D nanomaterials, including graphene, graphene oxide, transition metal dichalcogenides, black phosphorus, and MXene are discussed, along with strategies for their incorporation into hydrogel matrices. These composite hydrogels exhibit tunable mechanical properties, high surface area, strong near-infrared (NIR) photon absorption and controlled release capabilities, making them suitable for a range of regeneration and therapeutic applications. In cancer therapy, 2D-material-based hydrogels show promise for photothermal and photodynamic therapies, and drug delivery (chemotherapy). The photothermal properties of these materials enable selective tumor ablation upon NIR irradiation, while their high drug-loading capacity facilitates targeted and controlled release of chemotherapeutic agents. Additionally, 2D-materials -infused hydrogels exhibit potent antibacterial activity, making them effective against multidrug-resistant infections and disruption of biofilm generated on implant surface. Moreover, their synergistic therapy approach combines multiple treatment modalities such as photothermal, chemo, and immunotherapy to enhance therapeutic outcomes. In bio-imaging, these materials serve as versatile contrast agents and imaging probes, enabling their real-time monitoring during tumor imaging. Furthermore, in bone regeneration, most 2D-materials incorporated hydrogels promote osteogenesis and tissue regeneration, offering potential solutions for bone defects repair. Overall, the integration of 2D materials into hydrogels presents a promising platform for developing multifunctional theragenerative biomaterials.
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Affiliation(s)
- Melanie Zorrón
- Institute of Inorganic ChemistryDepartment of ChemistryFaculty of Mathematics and Natural SciencesUniversity of CologneGreinstraße 650939CologneGermany
| | - Agustín López Cabrera
- Institute of Inorganic ChemistryDepartment of ChemistryFaculty of Mathematics and Natural SciencesUniversity of CologneGreinstraße 650939CologneGermany
| | - Riya Sharma
- Institute of Inorganic ChemistryDepartment of ChemistryFaculty of Mathematics and Natural SciencesUniversity of CologneGreinstraße 650939CologneGermany
| | - Janani Radhakrishnan
- Department of BiotechnologyNational Institute of Animal BiotechnologyHyderabad500 049India
| | - Samin Abbaszadeh
- Department of Pharmacology and ToxicologySchool of PharmacyUrmia University of Medical SciencesUrmia571478334Iran
| | - Mohammad‐Ali Shahbazi
- Department of Biomaterials and Biomedical TechnologyUniversity Medical Center GroningenUniversity of GroningenAntonius Deusinglaan 1GroningenAV, 9713The Netherlands
| | - Omid Aghababaei Tafreshi
- Microcellular Plastics Manufacturing LaboratoryDepartment of Mechanical and Industrial EngineeringUniversity of TorontoTorontoOntarioM5S 3G8Canada
- Smart Polymers & Composites LabDepartment of Mechanical and Industrial EngineeringUniversity of TorontoTorontoOntarioM5S 3G8Canada
| | - Solmaz Karamikamkar
- Terasaki Institute for Biomedical Innovation11570 W Olympic BoulevardLos AngelesCA90024USA
| | - Hajar Maleki
- Institute of Inorganic ChemistryDepartment of ChemistryFaculty of Mathematics and Natural SciencesUniversity of CologneGreinstraße 650939CologneGermany
- Center for Molecular Medicine CologneCMMC Research CenterRobert‐Koch‐Str. 2150931CologneGermany
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Di Michele A, Boccalon E, Costantino F, Bastianini M, Vivani R, Nocchetti M. Insight into the synthesis of LDH using the urea method: morphology and intercalated anion control. Dalton Trans 2024; 53:12543-12553. [PMID: 39012300 DOI: 10.1039/d4dt01529k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/17/2024]
Abstract
Layered double hydroxides (LDHs) are a class of layered solids applied in many application fields. The study of synthetic methods able to control the interlayer composition and morphology of LDH is an open issue. The urea method, which exploits the thermal decomposition of urea, is known for yielding highly crystalline LDH in the carbonate form. This form is highly stable and, to replace carbonate ions with more easily exchangeable anions, a second step is required. In this work, we modified the urea method to obtain MgAl and ZnAl LDH in the chloride or nitrate form through a one-step synthesis. The effects of the urea/(Al + M(II)) molar ratio (R), reaction time and metal salt concentrations were deeply investigated. We found that LDH in chloride and nitrate forms can be prepared from solutions of metal salts not exceeding 1 M by adjusting R and maintaining the reaction time at 48 hours. The morphology of these products was found to depend on the R value and on the metal salts used in the synthesis. A high R value and nitrate salts favoured the formation of sand-rose crystals, while chloride salts induced the formation of plate-like crystals. The crystal growth mechanism and the parameters influencing the morphology are discussed with reference to ZnAl LDH by monitoring the synthesis over time.
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Affiliation(s)
- Alessandro Di Michele
- Department of Physics and Geology, University of Perugia, Via Pascoli, 006123 Perugia, Italy.
| | - Elisa Boccalon
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di sotto, 8, 006123 Perugia, Italy.
| | - Ferdinando Costantino
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di sotto, 8, 006123 Perugia, Italy.
| | - Maria Bastianini
- Prolabin & Tefarm S.r.l., Via dell'Acciaio 9, 06134 Perugia, Italy.
| | - Riccardo Vivani
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 006123 Perugia, Italy.
| | - Morena Nocchetti
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 006123 Perugia, Italy.
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Jablonská E, Mrázková L, Kubásek J, Vojtěch D, Paulin I, Ruml T, Lipov J. Characterization of hFOB 1.19 Cell Line for Studying Zn-Based Degradable Metallic Biomaterials. MATERIALS (BASEL, SWITZERLAND) 2024; 17:915. [PMID: 38399166 PMCID: PMC10890055 DOI: 10.3390/ma17040915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 01/30/2024] [Accepted: 02/08/2024] [Indexed: 02/25/2024]
Abstract
In vitro testing is the first important step in the development of new biomaterials. The human fetal osteoblast cell line hFOB 1.19 is a very promising cell model; however, there are vast discrepancies in cultivation protocols, especially in the cultivation temperature and the presence of the selection reagent, geneticin (G418). We intended to use hFOB 1.19 for the testing of Zn-based degradable metallic materials. However, the sensitivity of hFOB 1.19 to zinc ions has not yet been studied. Therefore, we compared the toxicity of zinc towards hFOB 1.19 under different conditions and compared it with that of the L929 mouse fibroblast cell line. We also tested the cytotoxicity of three types of Zn-based biomaterials in two types of media. The presence of G418 used as a selection reagent decreased the sensitivity of hFOB 1.19 to Zn2+. hFOB 1.19 cell line was more sensitive to Zn2+ at elevated (restrictive) temperatures. hFOB 1.19 cell line was less sensitive to Zn2+ than L929 cell line (both as ZnCl2 and extracts of alloys). Therefore, the appropriate cultivation conditions of hFOB 1.19 during biomaterial testing should be chosen with caution.
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Affiliation(s)
- Eva Jablonská
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic; (L.M.); (T.R.); (J.L.)
| | - Lucie Mrázková
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic; (L.M.); (T.R.); (J.L.)
| | - Jiří Kubásek
- Department of Metals and Corrosion Engineering, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic; (J.K.); (D.V.)
| | - Dalibor Vojtěch
- Department of Metals and Corrosion Engineering, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic; (J.K.); (D.V.)
| | - Irena Paulin
- Institute of Metals and Technology, Ljubljana, Lepi pot 11, SI-1000 Ljubljana, Slovenia;
| | - Tomáš Ruml
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic; (L.M.); (T.R.); (J.L.)
| | - Jan Lipov
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic; (L.M.); (T.R.); (J.L.)
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Bian Y, Cai X, Lv Z, Xu Y, Wang H, Tan C, Liang R, Weng X. Layered Double Hydroxides: A Novel Promising 2D Nanomaterial for Bone Diseases Treatment. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2301806. [PMID: 37329200 PMCID: PMC10460877 DOI: 10.1002/advs.202301806] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/07/2023] [Indexed: 06/18/2023]
Abstract
Bone diseases including bone defects, bone infections, osteoarthritis, and bone tumors seriously affect life quality of the patient and bring serious economic burdens to social health management, for which the current clinical treatments bear dissatisfactory therapeutic effects. Biomaterial-based strategies have been widely applied in the treatment of orthopedic diseases but are still plagued by deficient bioreactivity. With the development of nanotechnology, layered double hydroxides (LDHs) with adjustable metal ion composition and alterable interlayer structure possessing charming physicochemical characteristics, versatile bioactive properties, and excellent drug loading and delivery capabilities arise widespread attention and have achieved considerable achievements for bone disease treatment in the last decade. However, to the authors' best knowledge, no review has comprehensively summarized the advances of LDHs in treating bone disease so far. Herein, the advantages of LDHs for orthopedic disorders treatment are outlined and the corresponding state-of-the-art achievements are summarized for the first time. The potential of LDHs-based nanocomposites for extended therapeutics for bone diseases is highlighted and perspectives for LDHs-based scaffold design are proposed for facilitated clinical translation.
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Affiliation(s)
- Yixin Bian
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijing100730P. R. China
| | - Xuejie Cai
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijing100730P. R. China
| | - Zehui Lv
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijing100730P. R. China
| | - Yiming Xu
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijing100730P. R. China
| | - Han Wang
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijing100730P. R. China
| | - Chaoliang Tan
- Department of Chemistry and Center of Super‐Diamond and Advanced Films (COSDAF)City University of Hong KongKowloonHong KongP. R. China
- Shenzhen Research InstituteCity University of Hong KongShenzhen518057P. R. China
| | - Ruizheng Liang
- State Key Laboratory of Chemical Resource EngineeringBeijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijing100029P. R. China
| | - Xisheng Weng
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijing100730P. R. China
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Mohammadzadeh V, Norouzi A, Ghorbani M. Multifunctional nanocomposite based on lactose@layered double hydroxide-hydroxyapatite as a pH-sensitive system for targeted delivery of doxorubicin to liver cancer cells. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Awassa J, Cornu D, Ruby C, El-Kirat-Chatel S. Direct contact, dissolution and generation of reactive oxygen species: How to optimize the antibacterial effects of layered double hydroxides. Colloids Surf B Biointerfaces 2022; 217:112623. [PMID: 35714507 DOI: 10.1016/j.colsurfb.2022.112623] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 06/07/2022] [Accepted: 06/09/2022] [Indexed: 10/18/2022]
Abstract
Infections by pathogenic bacteria have been threatening several fields as food industries, agriculture, textile industries and healthcare products. Layered double hydroxides materials (LDHs), also called anionic clays, could be utilized as efficient antibacterial materials due to their several interesting properties such as ease of synthesis, tunable chemical composition, biocompatibility and anion exchange capacity. Pristine LDHs as well as LDH-composites including antibacterial molecules and nanoparticles loaded-LDHs were proven to serve as efficient antibacterial agents against various Gram-positive and Gram-negative bacterial strains. The achieved antibacterial effect was explained by the following mechanisms: (1) Direct contact between the materials and bacterial cells driven by electrostatic interactions between positively charged layers and negatively charged cell membranes, (2) Dissolution and gradual release over time of metallic ions or antibacterial molecules, (3) Generation of reactive oxygen species.
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Affiliation(s)
- Jazia Awassa
- Université de Lorraine, CNRS, LCPME, Nancy F-54000, France
| | - Damien Cornu
- Université de Lorraine, CNRS, LCPME, Nancy F-54000, France.
| | - Christian Ruby
- Université de Lorraine, CNRS, LCPME, Nancy F-54000, France
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Li F, Liu F, Huang K, Yang S. Advancement of Gallium and Gallium-Based Compounds as Antimicrobial Agents. Front Bioeng Biotechnol 2022; 10:827960. [PMID: 35186906 PMCID: PMC8855063 DOI: 10.3389/fbioe.2022.827960] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 01/13/2022] [Indexed: 12/30/2022] Open
Abstract
With the abuse and misuse of antibiotics, antimicrobial resistance has become a challenging issue in the medical system. Iatrogenic and non-iatrogenic infections caused by multidrug-resistant (MDR) pathogens pose serious threats to global human life and health because the efficacy of traditional antibiotics has been greatly reduced and the resulting socio-economic burden has increased. It is important to find and develop non-antibiotic-dependent antibacterial strategies because the development of new antibiotics can hardly keep pace with the emergence of resistant bacteria. Gallium (III) is a multi-target antibacterial agent that has an excellent antibacterial activity, especially against MDR pathogens; thus, a gallium (III)-based treatment is expected to become a new antibacterial strategy. However, some limitations of gallium ions as antimicrobials still exist, including low bioavailability and explosive release. In recent years, with the development of nanomaterials and clathrates, the progress of manufacturing technology, and the emergence of synergistic antibacterial strategies, the antibacterial activities of gallium have greatly improved, and the scope of application in medical systems has expanded. This review summarizes the advancement of current optimization for these key factors. This review will enrich the knowledge about the efficiency and mechanism of various gallium-based antibacterial agents and provide strategies for the improvement of the antibacterial activity of gallium-based compounds.
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Affiliation(s)
| | - Fengxiang Liu
- *Correspondence: Fengxiang Liu, ; Kai Huang, ; Shengbing Yang,
| | - Kai Huang
- *Correspondence: Fengxiang Liu, ; Kai Huang, ; Shengbing Yang,
| | - Shengbing Yang
- *Correspondence: Fengxiang Liu, ; Kai Huang, ; Shengbing Yang,
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Alunni Cardinali M, Di Michele A, Mattarelli M, Caponi S, Govoni M, Dallari D, Brogini S, Masia F, Borri P, Langbein W, Palombo F, Morresi A, Fioretto D. Brillouin-Raman microspectroscopy for the morpho-mechanical imaging of human lamellar bone. J R Soc Interface 2022; 19:20210642. [PMID: 35104431 PMCID: PMC8807060 DOI: 10.1098/rsif.2021.0642] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 12/21/2021] [Indexed: 12/12/2022] Open
Abstract
Bone has a sophisticated architecture characterized by a hierarchical organization, starting at the sub-micrometre level. Thus, the analysis of the mechanical and structural properties of bone at this scale is essential to understand the relationship between its physiology, physical properties and chemical composition. Here, we unveil the potential of Brillouin-Raman microspectroscopy (BRaMS), an emerging correlative optical approach that can simultaneously assess bone mechanics and chemistry with micrometric resolution. Correlative hyperspectral imaging, performed on a human diaphyseal ring, reveals a complex microarchitecture that is reflected in extremely rich and informative spectra. An innovative method for mechanical properties analysis is proposed, mapping the intermixing of soft and hard tissue areas and revealing the coexistence of regions involved in remodelling processes, nutrient transportation and structural support. The mineralized regions appear elastically inhomogeneous, resembling the pattern of the osteons' lamellae, while Raman and energy-dispersive X-ray images through scanning electron microscopy show an overall uniform distribution of the mineral content, suggesting that other structural factors are responsible for lamellar micromechanical heterogeneity. These results, besides giving an important insight into cortical bone tissue properties, highlight the potential of BRaMS to access the origin of anisotropic mechanical properties, which are almost ubiquitous in other biological tissues.
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Affiliation(s)
- M. Alunni Cardinali
- Department of Physics and Geology, University of Perugia, Via A. Pascoli, Perugia 06123, Italy
| | - A. Di Michele
- Department of Physics and Geology, University of Perugia, Via A. Pascoli, Perugia 06123, Italy
| | - M. Mattarelli
- Department of Physics and Geology, University of Perugia, Via A. Pascoli, Perugia 06123, Italy
| | - S. Caponi
- Istituto Officina Dei Materiali, National Research Council (IOM-CNR), Unit of Perugia, c/o Department of Physics and Geology, University of Perugia, Via A. Pascoli, Perugia 06123, Italy
| | - M. Govoni
- Reconstructive Orthopaedic Surgery and Innovative Techniques – Musculoskeletal Tissue Bank, IRCCS Istituto Ortopedico Rizzoli, Via G.C. Pupilli 1, Bologna 40136, Italy
| | - D. Dallari
- Reconstructive Orthopaedic Surgery and Innovative Techniques – Musculoskeletal Tissue Bank, IRCCS Istituto Ortopedico Rizzoli, Via G.C. Pupilli 1, Bologna 40136, Italy
| | - S. Brogini
- Complex Structure of Surgical Sciences and Technologies, IRCCS Istituto Ortopedico Rizzoli, Via Di Barbiano 1/10, Bologna 40136, Italy
| | - F. Masia
- School of Biosciences, Cardiff University, Museum Avenue, Cardiff CF10 3AX, UK
| | - P. Borri
- School of Biosciences, Cardiff University, Museum Avenue, Cardiff CF10 3AX, UK
| | - W. Langbein
- School of Physics and Astronomy, Cardiff University, The Parade, Cardiff CF24 3AA, UK
| | - F. Palombo
- School of Physics and Astronomy, University of Exeter, Exeter EX4 4QL, UK
| | - A. Morresi
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto 8, Perugia 06123, Italy
| | - D. Fioretto
- Department of Physics and Geology, University of Perugia, Via A. Pascoli, Perugia 06123, Italy
- CEMIN - Center of Excellence for Innovative Nanostructured Material, Via Elce di Sotto 8, Perugia 06123, Italy
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Nocchetti M, Boccalon E, Pica M, Giordano NMR, Finori F, Pietrella D, Cipiciani A. Overcoming Antibiotic Resistance: Playing the 'Silver Nanobullet' Card. MATERIALS (BASEL, SWITZERLAND) 2022; 15:932. [PMID: 35160881 PMCID: PMC8839980 DOI: 10.3390/ma15030932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/17/2022] [Accepted: 01/22/2022] [Indexed: 12/10/2022]
Abstract
Enhancing the antibacterial activity of old antibiotics by a multitarget approach, such as combining antibiotics with metal nanoparticles, is a valuable strategy to overcome antibacterial resistance. In this work, the synergistic antimicrobial effect of silver nanoparticles and antibiotics, immobilized on a solid support, was investigated. Nanometric layered double hydroxides (LDH) based on Zn(II) and Al(III) were prepared by the double microemulsion technique. The dual function of LDH as an anionic exchanger and support for metal nanoparticles was exploited to immobilize both silver and antibiotics. Cefazolin (CFZ), a β-lactam, and nalidixic acid (NAL), a quinolone, were selected and intercalated into LDH obtaining ZnAl-CFZ and ZnAl-NAL samples. These samples were used for the growth of silver nanoparticles with dimension ranging from 2.5 to 8 nm. Silver and antibiotics release profiles, from LDH loaded with antibiotics and Ag/antibiotics, were evaluated in two different media: water and phosphate buffer. Interestingly, the release profiles are affected by both the acceptor media and the presence of silver. The synergistic antibacterial activity of LDH containing both silver and antibiotics were investigated on gram-positives (Staphylococcus aureus and Streptococcus pneumoniae) and gram-negatives (Pseudomonas aeruginosa) and compared with the plain antimicrobials and LDH containing only antibiotics or silver.
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Affiliation(s)
- Morena Nocchetti
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo, 1, 06123 Perugia, Italy; (M.P.); (N.M.R.G.)
| | - Elisa Boccalon
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Salerno, Italy;
| | - Monica Pica
- Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo, 1, 06123 Perugia, Italy; (M.P.); (N.M.R.G.)
| | | | - Francesco Finori
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto, 8, 06123 Perugia, Italy; (F.F.); (A.C.)
| | - Donatella Pietrella
- Microbiology and Clinical Microbiology, Department of Medicine and Surgery, University of Perugia, Piazzale Gambuli, 1, 06129 Perugia, Italy;
| | - Antonio Cipiciani
- Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto, 8, 06123 Perugia, Italy; (F.F.); (A.C.)
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