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Carofiglio M, Percivalle NM, Hernandez S, Laurenti M, Canavese G, Matos JC, Gonçalves MC, Cauda V. Ultrasound-assisted water oxidation: unveiling the role of piezoelectric metal-oxide sonocatalysts for cancer treatment. Biomed Microdevices 2024; 26:37. [PMID: 39160324 PMCID: PMC11333555 DOI: 10.1007/s10544-024-00720-3] [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] [Accepted: 08/05/2024] [Indexed: 08/21/2024]
Abstract
Ultrasound radiation has been widely used in biomedical application for both diagnosis and therapy. Metal oxides nanoparticles (NPs), like ZnO or TiO2 NPs, have been widely demonstrated to act as excellent sonocatalysts and significantly enhance cavitation at their surface, making them optimal for sonodynamic cancer therapy. These NPs often possess semiconductive and piezoelectric properties that contribute to the complex phenomena occurring at the water-oxide interface during sonostimulation. Despite the great potential in applied sonocatalysis and water splitting, the complex mechanism that governs the phenomenon is still a research subject. This work investigates the role of piezoelectric ZnO micro- and nano-particles in ultrasound-assisted water oxidation. Three metal oxides presenting fundamental electronic and mechanical differences are evaluated in terms of ultrasound-triggered reactive oxygen species generation in aqueous media: electromechanically inert SiO2 NPs, semiconducting TiO2 NPs, piezoelectric and semiconducting ZnO micro- and nanoparticles with different surface areas and sizes. The presence of silver ions in the aqueous solution was further considered to impart a potential electron scavenging effects and better evaluate the oxygen generation performances of the different structures. Following sonoirradiation, the particles are optically and chemically analyzed to study the effect of sonostimulation at their surface. The production of gaseous molecular oxygen is measured, revealing the potential of piezoelectric particles to generate oxygen under hypoxic conditions typical of some cancer environments. Finally, the best candidates, i.e. ZnO nano and micro particles, were tested on osteosarcoma and glioblastoma cell lines to demonstrate their potential for cancer treatment.
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Affiliation(s)
- Marco Carofiglio
- Department of Applied Science and Technology, Politecnico Di Torino, C.So Duca Degli Abruzzi 24, 10129, Turin, Italy
| | - Nicolò Maria Percivalle
- Department of Applied Science and Technology, Politecnico Di Torino, C.So Duca Degli Abruzzi 24, 10129, Turin, Italy
| | - Simelys Hernandez
- Department of Applied Science and Technology, Politecnico Di Torino, C.So Duca Degli Abruzzi 24, 10129, Turin, Italy
| | - Marco Laurenti
- Department of Applied Science and Technology, Politecnico Di Torino, C.So Duca Degli Abruzzi 24, 10129, Turin, Italy
| | - Giancarlo Canavese
- Department of Applied Science and Technology, Politecnico Di Torino, C.So Duca Degli Abruzzi 24, 10129, Turin, Italy
| | - Joana C Matos
- CESAM - Universidade de Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
| | - M Clara Gonçalves
- CQE, Centro de Química Estrutural, Universidade de Lisboa, Av. Rovisco Pais, IST, 1000, Lisbon, Portugal
- Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1000, Lisbon, Portugal
| | - Valentina Cauda
- Department of Applied Science and Technology, Politecnico Di Torino, C.So Duca Degli Abruzzi 24, 10129, Turin, Italy.
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Arif M, Rauf A, Akhter T. A comprehensive review on crosslinked network systems of zinc oxide-organic polymer composites. Int J Biol Macromol 2024; 274:133250. [PMID: 38908628 DOI: 10.1016/j.ijbiomac.2024.133250] [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: 02/11/2024] [Revised: 05/11/2024] [Accepted: 06/16/2024] [Indexed: 06/24/2024]
Abstract
In recent years, the synergistic crosslinked networks formed by zinc oxide (ZnO) particles and organic polymers have gained significant attention. This importance is ascribed due to the valuable combination of low band gap containing ZnO particles with responsive behavior containing organic polymers. These properties of both ZnO and organic polymers make a suitable system of crosslinked ZnO-organic polymer composite (CZOPC) for various applications in the fields of biomedicine, catalysis, and environmental perspectives. The literature extensively provided the diverse morphologies and structures of CZOPC, and these architectural structures play a crucial role in determining their efficiency across various applications. Consequently, the careful design of CZOPC shapes tailored to specific purposes has become a focal point. This comprehensive review provides insights into the classifications, synthetic approaches, characterizations, and applications of ZnO particles decorated in organic polymers with crosslinked network. The exploration extends to the adsorption, environmental, catalytic, and biomedical applications of ZnO-organic polymer composites. Adopting a tutorial approach, the review systematically investigates and elucidates the applications of CZOPC with a comprehensive understanding of their diverse capabilities and uses.
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Affiliation(s)
- Muhammad Arif
- Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan.
| | - Abdul Rauf
- Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan
| | - Toheed Akhter
- Department of Chemical and Biological Engineering, Gachon University, Seongnam 13120, Republic of Korea.
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Hu K, Hou Z, Huang Y, Li X, Li X, Yang L. Recent development and future application of biodegradable ureteral stents. Front Bioeng Biotechnol 2024; 12:1373130. [PMID: 38572363 PMCID: PMC10987965 DOI: 10.3389/fbioe.2024.1373130] [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: 01/19/2024] [Accepted: 03/06/2024] [Indexed: 04/05/2024] Open
Abstract
Ureteral stenting is a common clinical procedure for the treatment of upper urinary tract disorders, including conditions such as urinary tract infections, tumors, stones, and inflammation. Maintaining normal renal function by preventing and treating ureteral obstruction is the primary goal of this procedure. However, the use of ureteral stents is associated with adverse effects, including surface crusting, bacterial adhesion, and lower urinary tract symptoms (LUTS) after implantation. Recognizing the need to reduce the complications associated with permanent ureteral stent placement, there is a growing interest among both physicians and patients in the use of biodegradable ureteral stents (BUS). The evolution of stent materials and the exploration of different stent coatings have given these devices different roles tailored to different clinical needs, including anticolithic, antibacterial, antitumor, antinociceptive, and others. This review examines recent advances in BUS within the last 5 years, providing an in-depth analysis of their characteristics and performance. In addition, we present prospective insights into the future applications of BUS in clinical settings.
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Affiliation(s)
- Ke Hu
- Department of Urology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
- Research Center for Biomedical Materials, Engineering Research Center of Ministry of Education for Minimally Invasive Gastrointestinal Endoscopic Techniques, Shengjing Hospital of China Medical University, Shenyang, China
| | - Zhipeng Hou
- Research Center for Biomedical Materials, Engineering Research Center of Ministry of Education for Minimally Invasive Gastrointestinal Endoscopic Techniques, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yuanbin Huang
- Department of Urology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Xueying Li
- College of Computer Science and Engineering, Dalian Minzu University, Dalian, China
| | - Xiancheng Li
- Department of Urology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Liqun Yang
- Research Center for Biomedical Materials, Engineering Research Center of Ministry of Education for Minimally Invasive Gastrointestinal Endoscopic Techniques, Shengjing Hospital of China Medical University, Shenyang, China
- Liaoning Research Institute for Eugenic Birth and Fertility, China Medical University, Shenyang, China
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Jowkar Z, Moaddeli A, Shafiei F, Tadayon T, Hamidi SA. Synthesis and characterization of mesoporous zinc oxide nanoparticles and evaluation of their biocompatibility in L929 fibroblasts. Clin Exp Dent Res 2024; 10:e844. [PMID: 38345519 PMCID: PMC10828904 DOI: 10.1002/cre2.844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 12/27/2023] [Accepted: 01/05/2024] [Indexed: 02/15/2024] Open
Abstract
OBJECTIVES This study aimed to synthesize and characterize mesoporous zinc oxide nanoparticles (ZnO NPs) and also to evaluate the cytotoxicity of mesoporous ZnO NPs on L929 mouse fibroblast cell lines using 3-(4,5- dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay. MATERIALS AND METHODS The synthesized mesoporous ZnO NPs were extensively characterized using X-ray diffraction analysis (XRD), transmission electron microscopy (TEM), Brunauer-Emmett-Teller (BET) analysis, field emission scanning electron microscopy (FESEM), energy dispersive X-ray spectra (EDAX), Fourier-transform infrared spectroscopy (FTIR), and dynamic light scattering (DLS). The cytotoxicity of mesoporous ZnO NPs was assessed by MTT assay. The study groups for cytotoxicity assay were normal saline, 0.1% calcined mesoporous ZnO NP solution, 1% calcined mesoporous ZnO NP solution, 0.1% noncalcined mesoporous ZnO NP solution, 1% noncalcined mesoporous ZnO NP solution, 0.1% ZnO NP solution, 1% ZnO NP solution, 2% chlorhexidine, and phosphate-buffered saline (PBS). The percentages of mean ± standard deviation of viable cells were analyzed. RESULTS Characterization of mesoporous ZnO NPs revealed that all the particles were in a more or less spherical shape with a wide particle size distribution of 70-100 nm. TEM image showed the uniformed and aggregated ZnO NPs with a typical size of 10-15 nm. BET analysis showed a mesoporous structure for the prepared mesoporous ZnO NPs. According to the MTT assay, chlorhexidine had the lowest cell viability percentage. Cell viability percentages of 0.1% mesoporous ZnO NP solutions (calcined and noncalcined) were statistically, significantly higher than 0.1% ZnO NP solution (p < .05). Cell viability percentages of 0.1% calcined and noncalcined mesoporous ZnO NP solutions and 0.1% ZnO NP solution were statistically, significantly higher than the 1% solutions (p < .05). CONCLUSION Mesoporous ZnO NPs exhibited less cytotoxicity against L929 mouse fibroblast cell lines compared to CHX and ZnO NPs, hence are safe to use.
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Affiliation(s)
- Zahra Jowkar
- Oral and Dental Disease Research Center, Department of Operative Dentistry, School of DentistryShiraz University of Medical SciencesShirazIran
| | - Ali Moaddeli
- Legal Medicine Research CenterLegal Medicine OrganizationTehranIran
| | - Fereshteh Shafiei
- Oral and Dental Disease Research Center, Department of Operative Dentistry, School of DentistryShiraz University of Medical SciencesShirazIran
| | - Tara Tadayon
- Department of Operative Dentistry, School of DentistryShiraz University of Medical SciencesShirazIran
| | - Seyed Ahmadreza Hamidi
- Department of Operative Dentistry, School of DentistryShiraz University of Medical SciencesShirazIran
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Chen H, Qiu X, Xia T, Li Q, Wen Z, Huang B, Li Y. Mesoporous Materials Make Hydrogels More Powerful in Biomedicine. Gels 2023; 9:gels9030207. [PMID: 36975656 PMCID: PMC10048667 DOI: 10.3390/gels9030207] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/03/2023] [Accepted: 03/05/2023] [Indexed: 03/12/2023] Open
Abstract
Scientists have been attempting to improve the properties of mesoporous materials and expand their application since the 1990s, and the combination with hydrogels, macromolecular biological materials, is one of the research focuses currently. Uniform mesoporous structure, high specific surface area, good biocompatibility, and biodegradability make the combined use of mesoporous materials more suitable for the sustained release of loaded drugs than single hydrogels. As a joint result, they can achieve tumor targeting, tumor environment stimulation responsiveness, and multiple therapeutic platforms such as photothermal therapy and photodynamic therapy. Due to the photothermal conversion ability, mesoporous materials can significantly improve the antibacterial ability of hydrogels and offer a novel photocatalytic antibacterial mode. In bone repair systems, mesoporous materials remarkably strengthen the mineralization and mechanical properties of hydrogels, aside from being used as drug carriers to load and release various bioactivators to promote osteogenesis. In hemostasis, mesoporous materials greatly elevate the water absorption rate of hydrogels, enhance the mechanical strength of the blood clot, and dramatically shorten the bleeding time. As for wound healing and tissue regeneration, incorporating mesoporous materials can be promising for enhancing vessel formation and cell proliferation of hydrogels. In this paper, we introduce the classification and preparation methods of mesoporous material-loaded composite hydrogels and highlight the applications of composite hydrogels in drug delivery, tumor therapy, antibacterial treatment, osteogenesis, hemostasis, and wound healing. We also summarize the latest research progress and point out future research directions. After searching, no research reporting these contents was found.
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Affiliation(s)
- Huangqin Chen
- Department of Stomatology, School of Stomatology and Ophthalmology, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Xin Qiu
- Department of Stomatology, School of Stomatology and Ophthalmology, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Tian Xia
- Department of Stomatology, School of Stomatology and Ophthalmology, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Qing Li
- Department of Stomatology, School of Stomatology and Ophthalmology, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Zhehan Wen
- Department of Stomatology, School of Stomatology and Ophthalmology, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Bin Huang
- Department of Stomatology, School of Stomatology and Ophthalmology, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
- Correspondence: (B.H.); (Y.L.)
| | - Yuesheng Li
- Hubei Key Laboratory of Radiation Chemistry and Functional Materials, Non-Power Nuclear Technology Collaborative Innovation Center, Hubei University of Science and Technology, Xianning 437100, China
- Correspondence: (B.H.); (Y.L.)
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Hezam A, Abutaha N, Almekhlafi FA, Morshed Nagi Saeed A, Abishad P, Wadaan MA. Smart plasmonic Ag/Ag2O/ZnO nanocomposite with promising photothermal and photodynamic antibacterial activity under 600 nm visible light illumination. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Jiao B, Liu K, Gong H, Ding Z, Xu X, Ren J, Zhang G, Yu Q, Gan Z. Bladder cancer selective chemotherapy with potent NQO1 substrate co-loaded prodrug nanoparticles. J Control Release 2022; 347:632-648. [PMID: 35618186 DOI: 10.1016/j.jconrel.2022.05.031] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 04/15/2022] [Accepted: 05/19/2022] [Indexed: 12/01/2022]
Abstract
Currently, clinical intravesical instillation chemotherapy has been greatly compromised by the toxicological and physiological factors. New formulations that can specifically and efficiently kill bladder cancer cells are in urgent need to overcome the low residence efficiency and dose limiting toxicity of current ones. The combination of mucoadhesive nanocarriers and cancer cell selective prodrugs can to great extent address these limitations. However, the insignificant endogenous stimulus difference between cancer cells and normal cells in most cases and the high local drug concentration make it essential to develop new drugs with broader selectivity-window. Herein, based on the statistically different NQO1 expression between cancerous and normal bladder tissues, the reactive oxygen species (ROS) activatable epirubicin prodrug and highly potent NQO1 substrate, KP372-1, was co-delivered using a GSH-responsive mucoadhesive nanocarrier. After endocytosis, epirubicin could be promptly activated by the NQO1-dependent ROS production caused by KP372-1, thus specifically inhibiting the proliferation of bladder cancer cells. Since KP372-1 is much more potent than some commonly used NQO1 substrates, for example, β-lapachone, the cascade drug activation could occur under much lower drug concentration, thus greatly lowering the toxicity in normal cells and broadening the selectivity-window during intravesical bladder cancer chemotherapy.
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Affiliation(s)
- Binbin Jiao
- Graduate School of Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China; Department of Urology, China-Japan Friendship Hospital, Beijing, China
| | - Kunpeng Liu
- The State Key Laboratory of Organic-inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China
| | - Haitao Gong
- The State Key Laboratory of Organic-inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China
| | - Zhenshan Ding
- Department of Urology, China-Japan Friendship Hospital, Beijing, China
| | - Xin Xu
- Department of Urology, China-Japan Friendship Hospital, Beijing, China
| | - Jian Ren
- Department of Urology, China-Japan Friendship Hospital, Beijing, China
| | - Guan Zhang
- Graduate School of Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China; Department of Urology, China-Japan Friendship Hospital, Beijing, China.
| | - Qingsong Yu
- The State Key Laboratory of Organic-inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China.
| | - Zhihua Gan
- The State Key Laboratory of Organic-inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China.
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Limongi T. Special Issue "Metal and Metal Oxide Nanoparticles: Design, Characterization, and Biomedical Applications". MATERIALS (BASEL, SWITZERLAND) 2021; 14:7287. [PMID: 34885442 PMCID: PMC8658510 DOI: 10.3390/ma14237287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 11/25/2021] [Accepted: 11/26/2021] [Indexed: 11/16/2022]
Abstract
The current Special Issue entitled "Metal and Metal Oxide Nanoparticles: Design, Characterization, and Biomedical Applications" aims to present contributions from all scientists producing and/or applying metal and metal oxide nanoparticles in a diagnostic, therapeutic or theranostics context [...].
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Affiliation(s)
- Tania Limongi
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy
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Improved Bacteriostatic and Anticorrosion Effects of Polycaprolactone/Chitosan Coated Magnesium via Incorporation of Zinc Oxide. MATERIALS 2021; 14:ma14081930. [PMID: 33921460 PMCID: PMC8070643 DOI: 10.3390/ma14081930] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/22/2021] [Accepted: 04/05/2021] [Indexed: 12/27/2022]
Abstract
Magnesium has been recognized as a groundbreaking biodegradable biomaterial for implant applications, but its use is limited because it degrades too quickly in physiological solutions. This paper describes the research on the influence of polycaprolactone (PCL)/chitosan (CS)/zinc oxide (ZnO) composite coating (PCL/CS/ZnO) on the corrosion resistance and antibacterial activity of magnesium. The PCL/CS film presented a porous structure with thickness of about 40-50 μm, while after incorporation of ZnO into the PCL/CS, a homogenous film without pores and defects was attained. The ZnO embedded in PCL/CS enhanced corrosion resistance by preventing corrosive ions diffusion in the magnesium substrate. The corrosion, antibacterial, and cell interaction mechanism of the PCL/CS/ZnO composite coating is discussed in this study. In vitro cell culture revealed that the PCL/CS coating with low loaded ZnO significantly improved cytocompatibility, but coatings with high loaded ZnO were able to induce some cytotoxicity osteoblastic cells. It was also found that enhanced antibacterial activity of the PCL/CS/ZnO coating against both Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) bacteria, while less significant antibacterial activity was detected for uncoated Mg and PCL/CS coating. Based on the results, the PCL/CS coatings loaded with low ZnO content may be recommended as a candidate material for biodegradable Mg-based orthopedic implant applications.
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Biodegradation and Antimicrobial Properties of Zinc Oxide–Polymer Composite Materials for Urinary Stent Applications. COATINGS 2020. [DOI: 10.3390/coatings10101002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Research advancements in the field of urinary stents have mainly been in the selection of materials and coatings to address commonly faced problems of encrustation and bacterial adhesion. In this study, polylactic acid (PLA) and polypropylene (PP) were evaluated with zinc oxide (ZnO) coating to assess its ability to reduce or eliminate the problems of encrustation and bacteria adhesion. PLA and PP films were prepared via twin screw extrusion. ZnO microparticles were prepared using sol-gel hydrothermal synthesis. The as-prepared ZnO microparticles were combined in the form of a functional coating and deposited on both polymer substrates using a doctor blade technique. The ZnO-coated PP and PLA samples as well as their uncoated counterparts were characterized from the physicochemical standpoints, antibacterial and biodegradation properties. The results demonstrated that both the polymers preserved their mechanical and thermal properties after coating with ZnO, which showed a better adhesion on PLA than on PP. Moreover, the ZnO coating successfully enhanced the antibacterial properties with respect to bare PP/PLA substrates. All the samples were investigated after immersion in simulated body fluid and artificial urine. The ZnO layer was completely degraded following 21 days immersion in artificial urine irrespective of the substrate, with encrustations more evident in PP and ZnO-coated PP films than PLA and ZnO-coated PLA films. Overall, the addition of ZnO coating on PLA displayed better adhesion, antibacterial activity and delayed the deposition of encrustations in comparison to PP substrates.
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