1
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Li Y, Yin Y, Li L. Conferring NiTi alloy with controllable antibacterial activity and enhanced corrosion resistance by exploiting Ag@PDA films as a platform through a one-pot construction route. Heliyon 2024; 10:e34154. [PMID: 39113964 PMCID: PMC11304019 DOI: 10.1016/j.heliyon.2024.e34154] [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: 04/18/2024] [Revised: 07/03/2024] [Accepted: 07/04/2024] [Indexed: 08/10/2024] Open
Abstract
The lack of antibacterial activity and the leaching of Ni ions seriously limit the potential applications of the near equiatomic nickel-titanium (NiTi) alloy in the biomedical field. In this study, a silver nanoparticles (Ag NPs) wrapped in a polydopamine (Ag@PDA) film modified NiTi alloy with controllable antibacterial activity and enhanced corrosion resistance was achieved using a one-pot approach in a mixed solution of AgNO3 and dopamine. The controllable antibacterial activity could be achieved by adjusting the initial concentration of dopamine (Cdop), which obtained Ag@PDA films with varying thickness of polydopamine layers coated on Ag NPs, thereby conferring different levels of antibacterial activity to the modified NiTi alloy. In vitro antibacterial ratios (24 h) of Ag@PDA film-modified NiTi alloy against E.coli and S.aureus ranged from 46 % to 100 % and from 42 % to 100 %, respectively. The release curves of Ag ions indicated the persistent antibacterial effect of Ag@PDA film-modified NiTi alloy for at least 21 days. Moreover, in vitro cytotoxicity and in vivo implantation tests demonstrated the satisfactory biosafety of the Ag@PDA film-modified NiTi alloy when used as bioimplants. This research offers valuable insight into meeting various antibacterial demands for NiTi alloy implantations and highlights the potential of Ag-containing film-modified biomaterials in addressing different types of infections induced by implantations.
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Affiliation(s)
- Ying Li
- College of Life Science, Mudanjiang Medical University, Mudanjiang, 157011, Heilongjiang Province, PR China
- School of Health Management, Mudanjiang Medical University, Mudanjiang, 157011, Heilongjiang Province, PR China
| | - Yongkui Yin
- College of Life Science, Mudanjiang Medical University, Mudanjiang, 157011, Heilongjiang Province, PR China
| | - Luxin Li
- College of Life Science, Mudanjiang Medical University, Mudanjiang, 157011, Heilongjiang Province, PR China
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2
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Maurelli AM, De Leo V, Catucci L. Polydopamine-Modified Liposomes: Preparation and Recent Applications in the Biomedical Field. ACS OMEGA 2024; 9:24105-24120. [PMID: 38882106 PMCID: PMC11170693 DOI: 10.1021/acsomega.4c02555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/10/2024] [Accepted: 05/17/2024] [Indexed: 06/18/2024]
Abstract
Polydopamine (PDA) is a bioinspired polymer that has unique and desirable properties for emerging applications in the biomedical field, such as extraordinary adhesiveness, extreme ease of functionalization, great biocompatibility, large drug loading capacity, good mucopenetrability, strong photothermal capacity, and pH-responsive behavior. Liposomes are consolidated and attractive biomimetic nanocarriers widely used in the field of drug delivery for their biocompatibility and biodegradability, as well as for their ability to encapsulate hydrophobic, hydrophilic, and amphiphilic compounds, even simultaneously. In addition, liposomes can be decorated with appropriate functionalities for targeted delivery purposes. Thus, combining the interesting properties of PDA with those of liposomes allows us to obtain multifunctional nanocarriers with enhanced stability, biocompatibility, and functionality. In this review, a focus on the most recent developments of liposomes modified with PDA, either in the form of polymer layers trapping multiple vesicles or in the form of PDA-coated nanovesicles, is proposed. These innovative PDA coatings extend the application range of liposomes into the field of biomedical applications, thereby allowing for easier functionalization with targeting ligands, which endows them with active release capabilities and photothermal activity and generally improves their interaction with biological fluids. Therefore, hybrid liposome/PDA systems are proposed for surface-mediated drug delivery and for the development of nanocarriers intended for systemic and oral drug delivery, as well as for multifunctional nanocarriers for cancer therapy. The main synthetic strategies for the preparation of PDA-modified liposomes are also illustrated. Finally, future prospects for PDA-coated liposomes are discussed, including the suggestion of potential new applications, deeper evaluation of side effects, and better personalization of medical treatments.
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Affiliation(s)
- Anna Maria Maurelli
- Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70126 Bari, Italy
| | - Vincenzo De Leo
- Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70126 Bari, Italy
- CNR-IPCF S.S. Bari, c/o Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70126 Bari, Italy
| | - Lucia Catucci
- Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70126 Bari, Italy
- CNR-IPCF S.S. Bari, c/o Department of Chemistry, University of Bari Aldo Moro, Via Orabona 4, 70126 Bari, Italy
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3
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Gupta P, Chandak R, Debnath A, Traner M, Watson BM, Huang H, Derami HG, Baldi H, Chakrabartty S, Raman B, Singamaneni S. Augmenting insect olfaction performance through nano-neuromodulation. NATURE NANOTECHNOLOGY 2024; 19:677-687. [PMID: 38272973 DOI: 10.1038/s41565-023-01592-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 12/08/2023] [Indexed: 01/27/2024]
Abstract
Biological olfactory systems are highly sensitive and selective, often outperforming engineered chemical sensors in highly complex and dynamic environments. As a result, there is much interest in using biological systems to build sensors. However, approaches to read-out information from biological systems, especially neural signals, tend to be suboptimal due to the number of electrodes that can be used and where these can be placed. Here we aim to overcome this suboptimality in neural information read-out by using a nano-enabled neuromodulation strategy to augment insect olfaction-based chemical sensors. By harnessing the photothermal properties of nanostructures and releasing a select neuromodulator on demand, we show that the odour-evoked response from the interrogated regions of the insect olfactory system can not only be enhanced but can also improve odour identification.
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Affiliation(s)
- Prashant Gupta
- Department of Mechanical Engineering and Materials Science, and Institute of Materials Science and Engineering, Washington University in St Louis, St Louis, MO, USA
| | - Rishabh Chandak
- Department of Biomedical Engineering, Washington University in St Louis, St Louis, MO, USA
| | - Avishek Debnath
- Department of Mechanical Engineering and Materials Science, and Institute of Materials Science and Engineering, Washington University in St Louis, St Louis, MO, USA
| | - Michael Traner
- Department of Biomedical Engineering, Washington University in St Louis, St Louis, MO, USA
| | - Brendan M Watson
- Department of Emergency Medicine, Washington University School of Medicine, St Louis, MO, USA
| | - Hengbo Huang
- Department of Biomedical Engineering, Washington University in St Louis, St Louis, MO, USA
- Department of Radiology, Washington University School of Medicine, Washington University in St Louis, St Louis, MO, USA
| | - Hamed Gholami Derami
- Department of Mechanical Engineering and Materials Science, and Institute of Materials Science and Engineering, Washington University in St Louis, St Louis, MO, USA
| | - Harsh Baldi
- Department of Mechanical Engineering and Materials Science, and Institute of Materials Science and Engineering, Washington University in St Louis, St Louis, MO, USA
| | - Shantanu Chakrabartty
- Department of Electrical & Systems Engineering, Washington University in St Louis, St Louis, MO, USA
| | - Baranidharan Raman
- Department of Biomedical Engineering, Washington University in St Louis, St Louis, MO, USA.
| | - Srikanth Singamaneni
- Department of Mechanical Engineering and Materials Science, and Institute of Materials Science and Engineering, Washington University in St Louis, St Louis, MO, USA.
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4
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Luo R, Su J, Zhang W, Huang W, Zhou Q, Sun P, Zhao Y. Targeted delivery of NO donor and ROS scavenger for synergistic treatment of rheumatoid arthritis. Biomed Pharmacother 2024; 174:116540. [PMID: 38579400 DOI: 10.1016/j.biopha.2024.116540] [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: 12/09/2023] [Revised: 03/24/2024] [Accepted: 03/29/2024] [Indexed: 04/07/2024] Open
Abstract
Rheumatoid arthritis (RA) is characterized by high level of reactive oxygen species (ROS) and proinflammatory cytokines, which facilitate the activation of the inflammatory signaling such as NF-κB pathway and exacerbate the development of inflammation. Herein, we designed a nanodrug by encapsulating the NO donor S-nitrosoglutathione (GSNO) into an emulsion and coating the surface with a polydopamine (PDA) layer to yield GSNO@PDA, which simultaneously scavenged the extra ROS and suppressed NF-κB signaling for potent RA treatment. To enhance the cellular uptake and NO generation efficiency, dextran sulfate (DS) and Cu2+ were anchored on the surface of GSNO@PDA to obtain the final formulation GSNO@PDA@DS. Our results demonstrated that GSNO@PDA@DS were successfully prepared and the modification of DS effectively boosted the cellular uptake of GSNO@PDA@DS. Moreover, GSNO@PDA@DS lowered cellular ROS and elevated intracellular NO, resulting in a decrease of M1 phenotype, inhibition of NF-κB pathway and down-regulation of proinflammatory cytokine tumor necrosis factor-α (TNF-α). Further in vivo studies confirmed that GSNO@PDA@DS significantly relieved symptoms and bone erosion by regulating the microenvironment of RA, highlighting the potential of GSNO@PDA@DS for RA therapy through ROS scavenging and NO-mediated suppression of inflammatory signaling.
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Affiliation(s)
- Rongrong Luo
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Jingjing Su
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Wenying Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Wenguang Huang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Qianqian Zhou
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Pengchao Sun
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China; Henan Key Laboratory of Nanomedicine for Targeting Diagnosis and Treatment, Henan Province, Zhengzhou University, Zhengzhou 450001, PR China; Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China.
| | - Yongxing Zhao
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China; Henan Key Laboratory of Nanomedicine for Targeting Diagnosis and Treatment, Henan Province, Zhengzhou University, Zhengzhou 450001, PR China; Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China; State Key Laboratory of Esophageal Cancer Prevention and Treatment, Zhengzhou University, Zhengzhou 450052, PR China.
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5
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Equy E, Hirtzel J, Hellé S, Heurtault B, Mathieu E, Rabineau M, Ball V, Ploux L. Fluorescent bioinspired albumin/polydopamine nanoparticles and their interactions with Escherichia coli cells. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2023; 14:1208-1224. [PMID: 38169939 PMCID: PMC10760463 DOI: 10.3762/bjnano.14.100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 11/29/2023] [Indexed: 01/05/2024]
Abstract
Inspired by the eumelanin aggregates in human skin, polydopamine nanoparticles (PDA NPs) are promising nanovectors for biomedical applications, especially because of their biocompatibility. We synthesized and characterized fluorescent PDA NPs of 10-25 nm diameter based on a protein containing a lysine-glutamate diad (bovine serum albumin, BSA) and determined whether they can penetrate and accumulate in bacterial cells to serve as a marker or drug nanocarrier. Three fluorescent PDA NPs were designed to allow for tracking in three different wavelength ranges by oxidizing BSA/PDA NPs (Ox-BSA/PDA NPs) or labelling with fluorescein 5-isothiocyanate (FITC-BSA/PDA NPs) or rhodamine B isothiocyanate (RhBITC-BSA/PDA NPs). FITC-BSA/PDA NPs and RhBITC-BSA/PDA NPs penetrated and accumulated in both cell wall and inner compartments of Escherichia coli (E. coli) cells. The fluorescence signals were diffuse or displayed aggregate-like patterns with both labelled NPs and free dyes. RhBITC-BSA/PDA NPs led to the most intense fluorescence in cells. Penetration and accumulation of NPs was not accompanied by a bactericidal or inhibitory effect of growth as demonstrated with the Gram-negative E. coli species and confirmed with a Gram-positive bacterial species (Staphylococcus aureus). Altogether, these results allow us to envisage the use of labelled BSA/PDA NPs to track bacteria and carry drugs in the core of bacterial cells.
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Affiliation(s)
- Eloïse Equy
- UMR_S1121, INSERM/University of Strasbourg, 1 rue Eugène Boeckel, 67084 Strasbourg, France
- Faculty of Dentistry, University of Strasbourg, 8 Rue Ste Elisabeth, 67000 Strasbourg, France
| | - Jordana Hirtzel
- Faculty of Dentistry, University of Strasbourg, 8 Rue Ste Elisabeth, 67000 Strasbourg, France
- UMR 7199, CNRS/University of Strasbourg, 74 route du Rhin, 67401 Illkirch, France
| | - Sophie Hellé
- UMR_S1121, INSERM/University of Strasbourg, 1 rue Eugène Boeckel, 67084 Strasbourg, France
- Faculty of Dentistry, University of Strasbourg, 8 Rue Ste Elisabeth, 67000 Strasbourg, France
| | - Béatrice Heurtault
- UMR 7199, CNRS/University of Strasbourg, 74 route du Rhin, 67401 Illkirch, France
| | - Eric Mathieu
- UMR_S1121, INSERM/University of Strasbourg, 1 rue Eugène Boeckel, 67084 Strasbourg, France
- Faculty of Dentistry, University of Strasbourg, 8 Rue Ste Elisabeth, 67000 Strasbourg, France
| | - Morgane Rabineau
- UMR_S1121, INSERM/University of Strasbourg, 1 rue Eugène Boeckel, 67084 Strasbourg, France
- Faculty of Dentistry, University of Strasbourg, 8 Rue Ste Elisabeth, 67000 Strasbourg, France
| | - Vincent Ball
- UMR_S1121, INSERM/University of Strasbourg, 1 rue Eugène Boeckel, 67084 Strasbourg, France
- Faculty of Dentistry, University of Strasbourg, 8 Rue Ste Elisabeth, 67000 Strasbourg, France
| | - Lydie Ploux
- UMR_S1121, INSERM/University of Strasbourg, 1 rue Eugène Boeckel, 67084 Strasbourg, France
- Faculty of Dentistry, University of Strasbourg, 8 Rue Ste Elisabeth, 67000 Strasbourg, France
- CNRS, 23 rue du Loess, 67200 Strasbourg, France
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6
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Narayanan KB, Bhaskar R, Sudhakar K, Nam DH, Han SS. Polydopamine-Functionalized Bacterial Cellulose as Hydrogel Scaffolds for Skin Tissue Engineering. Gels 2023; 9:656. [PMID: 37623111 PMCID: PMC10454226 DOI: 10.3390/gels9080656] [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: 07/21/2023] [Revised: 08/05/2023] [Accepted: 08/12/2023] [Indexed: 08/26/2023] Open
Abstract
Bacterial cellulose (BC) is a natural polysaccharide polymer hydrogel produced sustainably by the strain Gluconacetobacter hansenii under static conditions. Due to their biocompatibility, easy functionalization, and necessary physicochemical and mechanical properties, BC nanocomposites are attracting interest in therapeutic applications. In this study, we functionalized BC hydrogel with polydopamine (PDA) without toxic crosslinkers and used it in skin tissue engineering. The BC nanofibers in the hydrogel had a thickness of 77.8 ± 20.3 nm, and they could be used to produce hydrophilic, adhesive, and cytocompatible composite biomaterials for skin tissue engineering applications using PDA. Characterization techniques, namely Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), and Raman spectroscopy, were performed to investigate the formation of polydopamine on the BC nanofibers. The XRD peaks for BC occur at 2θ = 14.65°, 16.69°, and 22.39°, which correspond to the planes of (100), (010), and (110) of cellulose type Iα. Raman spectroscopy confirmed the formation of PDA, as indicated by the presence of bands corresponding to the vibration of aromatic rings and aliphatic C-C and C-O stretching at 1336 and 1567 cm-1, respectively. FTIR confirmed the presence of peaks corresponding to PDA and BC in the BC/PDA hydrogel scaffolds at 3673, 3348, 2900, and 1052 cm-1, indicating the successful interaction of PDA with BC nanofibers, which was further corroborated by the SEM images. The tensile strength, swelling ratio, degradation, and surface wettability characteristics of the composite BC biomaterials were also investigated. The BC/PDA hydrogels with PDA-functionalized BC nanofibers demonstrated excellent tensile strength and water-wetting ability while maintaining the stability of the BC fibers. The enhanced cytocompatibility of the BC/PDA hydrogels was studied using the PrestoBlue assay. Culturing murine NIH/3T3 fibroblasts on BC/PDA hydrogels showed higher metabolic activity and enhanced proliferation. Additionally, it improved cell viability when using BC/PDA hydrogels. Thus, these BC/PDA composite biomaterials can be used as biocompatible natural alternatives to synthetic substitutes for skin tissue engineering and wound-dressing applications.
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Affiliation(s)
- Kannan Badri Narayanan
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Gyeongbuk, Republic of Korea; (R.B.); (K.S.); (D.H.N.)
- Research Institute of Cell Culture, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Gyeongbuk, Republic of Korea
| | - Rakesh Bhaskar
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Gyeongbuk, Republic of Korea; (R.B.); (K.S.); (D.H.N.)
| | - Kuncham Sudhakar
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Gyeongbuk, Republic of Korea; (R.B.); (K.S.); (D.H.N.)
| | - Dong Hyun Nam
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Gyeongbuk, Republic of Korea; (R.B.); (K.S.); (D.H.N.)
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Gyeongbuk, Republic of Korea; (R.B.); (K.S.); (D.H.N.)
- Research Institute of Cell Culture, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Gyeongbuk, Republic of Korea
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7
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Brown HK, El Haskouri J, Marcos MD, Ros-Lis JV, Amorós P, Úbeda Picot MÁ, Pérez-Pla F. Synthesis and Catalytic Activity for 2, 3, and 4-Nitrophenol Reduction of Green Catalysts Based on Cu, Ag and Au Nanoparticles Deposited on Polydopamine-Magnetite Porous Supports. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2162. [PMID: 37570480 PMCID: PMC10421209 DOI: 10.3390/nano13152162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 07/20/2023] [Accepted: 07/21/2023] [Indexed: 08/13/2023]
Abstract
This work reports on the synthesis of nine materials containing Cu, Ag, Au, and Ag/Cu nanoparticles (NPs) deposited on magnetite particles coated with polydopamine (PDA). Ag NPs were deposited on two PDA@Fe3O4 supports differing in the thickness of the PDA film. The film thickness was adjusted to impart a textural porosity to the material. During synthesis, Ag(I) was reduced with ascorbic acid (HA), photochemically, or with NaBH4, whereas Au(III), with HA, with the PDA cathecol groups, or NaBH4. For the material characterization, TGA, XRD, SEM, EDX, TEM, STEM-HAADF, and DLS were used. The catalytic activity towards reduction of 4-, 3- and 2-nitrophenol was tested and correlated with the synthesis method, film thickness, metal particle size and NO2 group position. An evaluation of the recyclability of the materials was carried out. In general, the catalysts prepared by using soft reducing agents and/or thin PDA films were the most active, while the materials reduced with NaBH4 remained unchanged longer in the reactor. The activity varied in the direction Au > Ag > Cu. However, the Ag-based materials showed a higher recyclability than those based on gold. It is worth noting that the Cu-containing catalyst, the most environmentally friendly, was as active as the best Ag-based catalyst.
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Affiliation(s)
- Helen K Brown
- Institut de Ciència dels Materials (ICMUV), c/Catedrático José Beltrán 2, Paterna, 46980 Valencia, Spain
| | - Jamal El Haskouri
- Institut de Ciència dels Materials (ICMUV), c/Catedrático José Beltrán 2, Paterna, 46980 Valencia, Spain
| | - María D Marcos
- Centro de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Unidad Mixta Universitat Politècnica de València-Universitat de València, Departamento de Química, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - José Vicente Ros-Lis
- Centro de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Unidad Mixta Universitat Politècnica de València-Universitat de València, Universitat de València, Dr. Moliner 50, 46100 Burjassot, Spain
| | - Pedro Amorós
- Institut de Ciència dels Materials (ICMUV), c/Catedrático José Beltrán 2, Paterna, 46980 Valencia, Spain
| | - M Ángeles Úbeda Picot
- Departamento de Química Inorgànica, Universitat de València, Dr. Moliner 50, Burjassot, 46100 València, Spain
| | - Francisco Pérez-Pla
- Institut de Ciència dels Materials (ICMUV), c/Catedrático José Beltrán 2, Paterna, 46980 Valencia, Spain
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8
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Xiong H, He X, Lou T, Bai X. Synthesis and characterization of new CNT-loaded CeO2 nanoparticles for antibacterial applications. Biochem Eng J 2023. [DOI: 10.1016/j.bej.2023.108931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
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9
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Liu X, Domingues NP, Oveisi E, Coll-Satue C, Jansman MMT, Smit B, Hosta-Rigau L. Metal-organic framework-based oxygen carriers with antioxidant activity resulting from the incorporation of gold nanozymes. Biomater Sci 2023; 11:2551-2565. [PMID: 36786283 DOI: 10.1039/d2bm01405j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Blood transfusions are a life-saving procedure since they can preserve the body's oxygen levels in patients suffering from acute trauma, undergoing surgery, receiving chemotherapy or affected by severe blood disorders. Due to the central role of hemoglobin (Hb) in oxygen transport, so-called Hb-based oxygen carriers (HBOCs) are currently being developed for situations where donor blood is not available. In this context, an important challenge that needs to be addressed is the oxidation of Hb into methemoglobin (metHb), which is unable to bind and release oxygen. While several research groups have considered the incorporation of antioxidant enzymes to create HBOCs with minimal metHb conversion, the use of biological enzymes has important limitations related to their high cost, potential immunogenicity or low stability in vivo. Thus, nanomaterials with enzyme-like properties (i.e., nanozymes (NZs)) have emerged as a promising alternative. Amongst the different NZs, gold (Au)-based metallic nanoparticles are widely used for biomedical applications due to their biocompatibility and multi-enzyme mimicking abilities. Thus, in this work, we incorporate Au-based NZs into a type of HBOC previously reported by our group (i.e., Hb-loaded metal-organic framework (MOF)-based nanocarriers (NCs)) and investigate their antioxidant properties. Specifically, we prepare MOF-NCs loaded with Au-based NZs and demonstrate their ability to catalytically deplete over multiple rounds of two prominent reactive oxygen species (ROS) that exacerbate Hb's autoxidation (i.e., hydrogen peroxide and the superoxide radical). Importantly, following loading with Hb, we show how these ROS-scavenging properties translate into a decrease in metHb content. All in all, these results highlight the potential of NZs to create novel HBOCs with antioxidant protection which may find applications as a blood substitute in the future.
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Affiliation(s)
- Xiaoli Liu
- DTU Health Tech, Center for Nanomedicine and Theranostics, Technical University of Denmark, Nils Koppels Allé, Building 423, 2800 Kgs. Lyngby, Denmark.
| | - Nency Patricio Domingues
- Laboratory of Molecular Simulation (LSMO), Institute of Chemical Sciences and Engineering (ISIC), École Polytechnique Fédérale de Lausanne (EPFL)-Valais, CH-1950 Sion, Switzerland
| | - Emad Oveisi
- Interdisciplinary Centre for Electron Microscopy (CIME), École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Clara Coll-Satue
- DTU Health Tech, Center for Nanomedicine and Theranostics, Technical University of Denmark, Nils Koppels Allé, Building 423, 2800 Kgs. Lyngby, Denmark.
| | - Michelle Maria Theresia Jansman
- DTU Health Tech, Center for Nanomedicine and Theranostics, Technical University of Denmark, Nils Koppels Allé, Building 423, 2800 Kgs. Lyngby, Denmark.
| | - Berend Smit
- Laboratory of Molecular Simulation (LSMO), Institute of Chemical Sciences and Engineering (ISIC), École Polytechnique Fédérale de Lausanne (EPFL)-Valais, CH-1950 Sion, Switzerland
| | - Leticia Hosta-Rigau
- DTU Health Tech, Center for Nanomedicine and Theranostics, Technical University of Denmark, Nils Koppels Allé, Building 423, 2800 Kgs. Lyngby, Denmark.
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10
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Chi M, Li N, Cui J, Karlin S, Rohr N, Sharma N, Thieringer FM. Biomimetic, mussel-inspired surface modification of 3D-printed biodegradable polylactic acid scaffolds with nano-hydroxyapatite for bone tissue engineering. Front Bioeng Biotechnol 2022; 10:989729. [PMID: 36159699 PMCID: PMC9493000 DOI: 10.3389/fbioe.2022.989729] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 08/19/2022] [Indexed: 11/29/2022] Open
Abstract
Polylactic acid (PLA) has been widely used as filaments for material extrusion additive manufacturing (AM) to develop patient-specific scaffolds in bone tissue engineering. Hydroxyapatite (HA), a major component of natural bone, has been extensively recognized as an osteoconductive biomolecule. Here, inspired by the mussel-adhesive phenomenon, in this study, polydopamine (PDA) coating was applied to the surface of 3D printed PLA scaffolds (PLA@PDA), acting as a versatile adhesive platform for immobilizing HA nanoparticles (nHA). Comprehensive analyses were performed to understand the physicochemical properties of the 3D-printed PLA scaffold functionalized with nHA and PDA for their potent clinical application as a bone regenerative substitute. Scanning electron microscopy (SEM) and element dispersive X-ray (EDX) confirmed a successful loading of nHA particles on the surface of PLA@PDA after 3 and 7 days of coating (PLA@PDA-HA3 and PLA@PDA-HA7), while the surface micromorphology and porosity remain unchanged after surface modification. The thermogravimetric analysis (TGA) showed that 7.7 % and 12.3% mass ratio of nHA were loaded on the PLA scaffold surface, respectively. The wettability test indicated that the hydrophilicity of nHA-coated scaffolds was greatly enhanced, while the mechanical properties remained uncompromised. The 3D laser scanning confocal microscope (3DLS) images revealed that the surface roughness was significantly increased, reaching Sa (arithmetic mean height) of 0.402 μm in PLA@PDA-HA7. Twenty-eight days of in-vitro degradation results showed that the introduction of nHA to the PLA surface enhances its degradation properties, as evidenced by the SEM images and weight loss test. Furthermore, a sustainable release of Ca2+ from PLA@PDA-HA3 and PLA@PDA-HA7 was recorded, during the degradation process. In contrast, the released hydroxyl group of nHA tends to neutralize the local acidic environments, which was more conducive to osteoblastic differentiation and extracellular mineralization. Taken together, this facile surface modification provides 3D printed PLA scaffolds with effective bone regenerative properties by depositing Ca2+ contents, improving surface hydrophilicity, and enhancing the in-vitro degradation rate.
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Affiliation(s)
- Minghan Chi
- Medical Additive Manufacturing Research Group (Swiss MAM), Department of Biomedical Engineering, University of Basel, Allschwil, Switzerland
| | - Na Li
- Medical Additive Manufacturing Research Group (Swiss MAM), Department of Biomedical Engineering, University of Basel, Allschwil, Switzerland
| | - Junkui Cui
- Department of Earth and Environmental Studies, Montclair State University, Montclair, NJ, United States
| | - Sabrina Karlin
- Biomaterials and Technology, Department of Research, University Center for Dental Medicine Basel UZB, University of Basel, Basel, Switzerland
| | - Nadja Rohr
- Biomaterials and Technology, Department of Research, University Center for Dental Medicine Basel UZB, University of Basel, Basel, Switzerland
- Biomaterials and Technology, Department of Reconstructive Dentistry, University Center for Dental Medicine Basel UZB, University of Basel, Basel, Switzerland
- *Correspondence: Nadja Rohr, ; Neha Sharma,
| | - Neha Sharma
- Medical Additive Manufacturing Research Group (Swiss MAM), Department of Biomedical Engineering, University of Basel, Allschwil, Switzerland
- Oral and Cranio-Maxillofacial Surgery, University Hospital Basel, Basel, Switzerland
- *Correspondence: Nadja Rohr, ; Neha Sharma,
| | - Florian M. Thieringer
- Medical Additive Manufacturing Research Group (Swiss MAM), Department of Biomedical Engineering, University of Basel, Allschwil, Switzerland
- Oral and Cranio-Maxillofacial Surgery, University Hospital Basel, Basel, Switzerland
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11
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Kaang BK, Ha L, Joo JU, Kim DP. Laminar flow-assisted synthesis of amorphous ZIF-8-based nano-motor with enhanced transmigration for photothermal cancer therapy. NANOSCALE 2022; 14:10835-10843. [PMID: 35838155 DOI: 10.1039/d2nr02501a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Because of their biocompatibility, there are promising applications in various fields for enzyme-powered nano-motors. However, enzymes can undergo denaturation under harsh conditions. Here, we report the flow-assisted synthesis of an enzyme-based amorphous ZIF-8 nano-motor (A-motor; Pdop@urease@aZIF-8) for enhanced movement and protection of polydopamine and enzymes. Multiple laminar flow types with varied input ratios effectively entrapped enzymes into amorphous ZIF-8 shells in a serial flow with a momentary difference. The obtained A-motor exhibited superior enzymatic activity and photothermal ablation properties with excellent durability due to the protection the amorphous shell offers from the external environment. Furthermore, in the bio-mimic 2D membrane model, the enhanced mobility of the A-motor afforded high transmigration (>80%), which had a powerful effect on bladder cancer cell ablation via photothermal therapy. This work envisages that the rapid flow approach will facilitate scalable manufacturing of the nano-motors under low stress to vulnerable biomolecules, which would be extended to nano-biomedical applications in various body environments.
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Affiliation(s)
- Byung Kwon Kaang
- Center for Intelligent Microprocess of Pharmaceutical Synthesis (CIMPS), Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk 37673, Korea.
| | - Laura Ha
- Center for Intelligent Microprocess of Pharmaceutical Synthesis (CIMPS), Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk 37673, Korea.
| | - Jeong-Un Joo
- Center for Intelligent Microprocess of Pharmaceutical Synthesis (CIMPS), Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk 37673, Korea.
| | - Dong-Pyo Kim
- Center for Intelligent Microprocess of Pharmaceutical Synthesis (CIMPS), Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk 37673, Korea.
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12
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Chen T, Zhuang B, Huang Y, Liu Y, Yuan B, Wang W, Yuan T, Du L, Jin Y. Inhaled curcumin mesoporous polydopamine nanoparticles against radiation pneumonitis. Acta Pharm Sin B 2022; 12:2522-2532. [PMID: 35646537 PMCID: PMC9136532 DOI: 10.1016/j.apsb.2021.10.027] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/20/2021] [Accepted: 10/22/2021] [Indexed: 12/19/2022] Open
Abstract
Radiation therapy is an effective method to kill cancer cells and shrink tumors using high-energy X-ray or γ-ray. Radiation pneumonitis (RP) is one of the most serious complications of radiation therapy for thoracic cancers, commonly leading to serious respiratory distress and poor prognosis. Here, we prepared curcumin-loaded mesoporous polydopamine nanoparticles (CMPN) for prevention and treatment of RP by pulmonary delivery. Mesoporous polydopamine nanoparticles (MPDA) were successfully synthesized with an emulsion-induced interface polymerization method and curcumin was loaded in MPDA via π‒π stacking and hydrogen bonding interaction. MPDA owned the uniform spherical morphology with numerous mesopores that disappeared after loading curcumin. More than 80% curcumin released from CMPN in 6 h and mesopores recovered. CMPN remarkably protected BEAS-2B cells from γ-ray radiation injury by inhibiting apoptosis. RP rat models were established after a single dose of 15 Gy 60Co γ-ray radiation was performed on the chest area. Effective therapy of RP was achieved by intratracheal administration of CMPN due to free radical scavenging and anti-oxidation ability, and reduced proinflammatory cytokines, high superoxide dismutase, decreased malondialdehyde, and alleviated lung tissue damages were observed. Inhaled CMPN paves a new avenue for the treatment of RP.
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Affiliation(s)
- Ting Chen
- Guangdong Pharmaceutical University, Guangzhou 510006, China
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Bo Zhuang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- Department of Chemical Defense, Institute of NBC Defense, Beijing 102205, China
| | - Yueqi Huang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Yan Liu
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Bochuan Yuan
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Wanmei Wang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Tianyu Yuan
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Lina Du
- Guangdong Pharmaceutical University, Guangzhou 510006, China
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Yiguang Jin
- Guangdong Pharmaceutical University, Guangzhou 510006, China
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- Corresponding author.
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13
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Wang Q, Li X, Mao J, Qin X, Yang S, Hao J, Guan M, Cao Y, Li Y. Biomimic Binding Affinity Gradients Triggered GSH-Response of Core-Shell Nanoparticles for Cascade Chemo/Chemodynamic Therapy. Adv Healthc Mater 2022; 11:e2101634. [PMID: 34706163 DOI: 10.1002/adhm.202101634] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 10/18/2021] [Indexed: 12/14/2022]
Abstract
In eukaryotes and prokaryotes, some copper transportations driven by gradient copper-binding affinities exhibit typical glutathione (GSH)-responsive features. Inspired by these delicate endogenous processes, a biomimic copper-ion mediated GSH-responsive nanomedicine is designed based on the gradient copper-binding strengths between polydopamine (PDA) species and GSH. The nanomedicine is constructed as core-shell nanoparticles with copper-polydopamine (Cu-PDA) coordinated shell and micellar core encapsulating chemotherapeutic drug of β-lapachone (β-lapa). In tumor cells, the excess intracellular GSH will reduce and extract the Cu(II) from the Cu-PDA network, triggered by the binding affinity gradients between Cu-PDA and Cu-GSH, resulting in the breaking of the shell and the releasing of β-lapa and Fenton agent copper. The additional Fenton reaction of copper ions induces excess oxidative damage of tumor cells assisted by the abundant H2 O2 amplified by β-lapa, achieving cascade anticancer effects combining chemodynamic therapy with chemotherapy. This multilevel anticancer system exhibits an efficient tumor inhibitory rate and a negligible systematic toxicity for normal organs in vivo, presenting a new bioinspired GSH-responsive strategie to develop stimuli-responsive structures.
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Affiliation(s)
- Qinghua Wang
- Lab of Low‐Dimensional Materials Chemistry Key Laboratory for Ultrafine Materials of Ministry of Education Frontiers Science Center for Materiobiology and Dynamic Chemistry Shanghai Engineering Research Center of Hierarchical Nanomaterials School of Materials Science and Engineering East China University of Science & Technology Shanghai 200237 China
| | - Xianglong Li
- Lab of Low‐Dimensional Materials Chemistry Key Laboratory for Ultrafine Materials of Ministry of Education Frontiers Science Center for Materiobiology and Dynamic Chemistry Shanghai Engineering Research Center of Hierarchical Nanomaterials School of Materials Science and Engineering East China University of Science & Technology Shanghai 200237 China
| | - Jiayi Mao
- Lab of Low‐Dimensional Materials Chemistry Key Laboratory for Ultrafine Materials of Ministry of Education Frontiers Science Center for Materiobiology and Dynamic Chemistry Shanghai Engineering Research Center of Hierarchical Nanomaterials School of Materials Science and Engineering East China University of Science & Technology Shanghai 200237 China
| | - Xing Qin
- Lab of Low‐Dimensional Materials Chemistry Key Laboratory for Ultrafine Materials of Ministry of Education Frontiers Science Center for Materiobiology and Dynamic Chemistry Shanghai Engineering Research Center of Hierarchical Nanomaterials School of Materials Science and Engineering East China University of Science & Technology Shanghai 200237 China
| | - Shaobo Yang
- Lab of Low‐Dimensional Materials Chemistry Key Laboratory for Ultrafine Materials of Ministry of Education Frontiers Science Center for Materiobiology and Dynamic Chemistry Shanghai Engineering Research Center of Hierarchical Nanomaterials School of Materials Science and Engineering East China University of Science & Technology Shanghai 200237 China
| | - Jina Hao
- Lab of Low‐Dimensional Materials Chemistry Key Laboratory for Ultrafine Materials of Ministry of Education Frontiers Science Center for Materiobiology and Dynamic Chemistry Shanghai Engineering Research Center of Hierarchical Nanomaterials School of Materials Science and Engineering East China University of Science & Technology Shanghai 200237 China
| | - Mengjia Guan
- Lab of Low‐Dimensional Materials Chemistry Key Laboratory for Ultrafine Materials of Ministry of Education Frontiers Science Center for Materiobiology and Dynamic Chemistry Shanghai Engineering Research Center of Hierarchical Nanomaterials School of Materials Science and Engineering East China University of Science & Technology Shanghai 200237 China
| | - Yuanyuan Cao
- Lab of Low‐Dimensional Materials Chemistry Key Laboratory for Ultrafine Materials of Ministry of Education Frontiers Science Center for Materiobiology and Dynamic Chemistry Shanghai Engineering Research Center of Hierarchical Nanomaterials School of Materials Science and Engineering East China University of Science & Technology Shanghai 200237 China
| | - Yongsheng Li
- Lab of Low‐Dimensional Materials Chemistry Key Laboratory for Ultrafine Materials of Ministry of Education Frontiers Science Center for Materiobiology and Dynamic Chemistry Shanghai Engineering Research Center of Hierarchical Nanomaterials School of Materials Science and Engineering East China University of Science & Technology Shanghai 200237 China
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan School of Chemistry and Chemical Engineering Shihezi University Shihezi 832003 China
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14
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Tran HA, Tran PA. In Situ Coatings of Silver Nanoparticles for Biofilm Treatment in Implant-Retention Surgeries: Antimicrobial Activities in Monoculture and Coculture. ACS APPLIED MATERIALS & INTERFACES 2021; 13:41435-41444. [PMID: 34448395 DOI: 10.1021/acsami.1c08239] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Bacterial biofilms are indicated in most medical device-associated infections. Treating these biofilms is challenging yet critically important for applications such as in device-retention surgeries, which can have reinfection rates of up to 80%. This in vitro study centered around our new method of treating biofilm and preventing reinfection. Ionic silver (Ag, in the form of silver nitrate) combined with dopamine and a biofilm-lysing enzyme (α-amylase) were applied to model 4-day-old Staphylococcus aureus biofilms on titanium substrates to degrade the extracellular matrix of the biofilm and kill the biofilm bacteria. In this process, the oxidative self-polymerization of dopamine converted Ag ions into Ag nanoparticles that, together with the resultant self-adhering polydopamine (PDA), formed coatings that strongly bound to the treated substrates. Surprisingly, although these Ag/PDA coatings significantly reduced S. aureus growth in standard bacterial monoculture, they showed much lower antimicrobial activity in coculture of the bacteria and osteoblastic MC3T3-E1 cells in which the bacteria were also found attached to the osteoblasts. This S. aureus- osteoblast interaction was also linked to bacterial survival against gentamicin treatment observed in coculture. Our study thus provided clear evidence suggesting that bacteria's interactions with tissue cells surrounding implants may significantly contribute to their resistance to antimicrobial treatment.
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Affiliation(s)
- Hien A Tran
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), 2 George Street, Brisbane, Queensland 4000, Australia
- Interface Science and Materials Engineering Group, School of Mechanical, Medical and Process Engineering, QUT, 2 George Street, Brisbane, Queensland 4000, Australia
| | - Phong A Tran
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), 2 George Street, Brisbane, Queensland 4000, Australia
- Interface Science and Materials Engineering Group, School of Mechanical, Medical and Process Engineering, QUT, 2 George Street, Brisbane, Queensland 4000, Australia
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