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Lenzuni M, Fiorentini F, Summa M, Bertorelli R, Suarato G, Perotto G, Athanassiou A. Electrosprayed zein nanoparticles as antibacterial and anti-thrombotic coatings for ureteral stents. Int J Biol Macromol 2024; 257:128560. [PMID: 38061505 DOI: 10.1016/j.ijbiomac.2023.128560] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/29/2023] [Accepted: 11/30/2023] [Indexed: 12/18/2023]
Abstract
Ureteral stents are among the most frequently used human implants, with urothelium trauma, blood clots, and bacterial colonization being their main reasons for failure. In this study, berberine-loaded zein (ZB) nanoparticles with high drug encapsulation efficiency (>90 %) were fabricated via electrospray on flat and 3D stainless steel structures. Physico-chemical characterization revealed that the ZB nanoparticles created a highly hydrophilic, antioxidant, and scratch-resistant continuous coating over the metal structure. Results showed that the drug release rate was faster at neutral pH (i.e., PBS pH 7.4) than in an artificial urine medium (pH 5.3) due to the different swelling behavior of the zein polymeric matrix. In vitro evaluation of ZB particles onto human dermal fibroblasts and blood cells demonstrated good cell proliferation and enhanced anti-thrombotic properties compared to bare stainless steel. The ability of the electrosprayed zein particles to resist bacterial adherence and proliferation was evaluated with Gram-negative (Escherichia coli) bacteria, showing high inhibition rates (-29 % and -46 % for empty and berberine-loaded particles, respectively) compared to the medical-grade metal substrates. Overall, the proposed composite coating fulfilled the requirements for ureteral applications, and can advance the development of innovative biocompatible, biodegradable, and antibacterial coatings for drug-eluting stents.
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Affiliation(s)
- Martina Lenzuni
- Smart Materials Group, Istituto Italiano di Tecnologia, Genoa, Italy; Department of Civil, Chemical and Environmental Engineering, University of Genoa, Genoa, Italy.
| | | | - Maria Summa
- Translational Pharmacology, Istituto Italiano di Tecnologia, Genoa, Italy
| | - Rosalia Bertorelli
- Translational Pharmacology, Istituto Italiano di Tecnologia, Genoa, Italy
| | - Giulia Suarato
- Consiglio Nazionale delle Ricerche, Istituto di Elettronica, Ingegneria dell'Informazione e delle Telecomunicazioni (CNR-IEIIT), Milan, Italy
| | - Giovanni Perotto
- Smart Materials Group, Istituto Italiano di Tecnologia, Genoa, Italy
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Georgakopoulos-Soares I, Papazoglou EL, Karmiris-Obratański P, Karkalos NE, Markopoulos AP. Surface antibacterial properties enhanced through engineered textures and surface roughness: A review. Colloids Surf B Biointerfaces 2023; 231:113584. [PMID: 37837687 DOI: 10.1016/j.colsurfb.2023.113584] [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: 07/19/2023] [Revised: 10/04/2023] [Accepted: 10/09/2023] [Indexed: 10/16/2023]
Abstract
The spread of bacteria through contaminated surfaces is a major issue in healthcare, food industry, and other economic sectors. The widespread use of antibiotics is not a sustainable solution in the long term due to the development of antibiotic resistance. Therefore, surfaces with antibacterial properties have the potential to be a disruptive approach to combat microbial contamination. Different methods and approaches have been studied to impart or enhance antibacterial properties on surfaces. The surface roughness and texture are inherent parameters that significantly impact the antibacterial properties of a surface. They are also directly related to the previously employed machining and treatment methods. This review article discusses the correlation between surface roughness and antibacterial properties is presented and discussed. It begins with an introduction to the concepts of surface roughness and texture, followed by a description of the most commonly utilized machining methods and surface. A thorough analysis of bacterial adhesion and growth is then presented. Finally, the most recent studies in this research area are comprehensively reviewed. The studies are sorted and classified based on the utilized machining and treatment methods, which are divided into mechanical processes, surface treatments and coatings. Through the systematic review and record of the recent advances, the authors aim to assist and promote further research in this very promising and extremely important direction, by providing a systematic review of recent advances.
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Affiliation(s)
- Ilias Georgakopoulos-Soares
- Institute for Personalized Medicine, Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, Hershey, PA, USA; School of Mechanical Engineering, Section of Manufacturing Technology, National Technical University of Athens, Heroon Polytechniou 9, 15780 Athens, Greece
| | - Emmanouil L Papazoglou
- School of Mechanical Engineering, Section of Manufacturing Technology, National Technical University of Athens, Heroon Polytechniou 9, 15780 Athens, Greece
| | - Panagiotis Karmiris-Obratański
- Department of Manufacturing Systems, Faculty of Mechanical Engineering and Robotics, AGH University of Krakow, 30-059 Cracow, Poland.
| | - Nikolaos E Karkalos
- School of Mechanical Engineering, Section of Manufacturing Technology, National Technical University of Athens, Heroon Polytechniou 9, 15780 Athens, Greece
| | - Angelos P Markopoulos
- School of Mechanical Engineering, Section of Manufacturing Technology, National Technical University of Athens, Heroon Polytechniou 9, 15780 Athens, Greece
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Xu L, He H, Du Y, Zhang S, Yu DG, Liu P. Electrosprayed Core (Cellulose Acetate)-Shell (Polyvinylpyrrolidone) Nanoparticles for Smart Acetaminophen Delivery. Pharmaceutics 2023; 15:2314. [PMID: 37765283 PMCID: PMC10537010 DOI: 10.3390/pharmaceutics15092314] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/07/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
Smart drug delivery, through which the drug molecules are delivered according to the requests of human biological rhythms or by maximizing drug therapeutic effects, is highly desired in pharmaceutics. Many biomacromolecules have been exploited for this application in the past few decades, both in industry and laboratories. Biphasic release, with an intentional pulsatile release and a following extended release stage, represents a typical smart drug delivery approach, which aims to provide fast therapeutic action and a long time period of effective blood drug concentration to the patients. In this study, based on the use of a well-known biomacromolecule, i.e., cellulose acetate (CA), as the drug (acetaminophen, ATP)-based sustained release carrier, a modified coaxial electrospraying process was developed to fabricate a new kind of core-shell nanoparticle. The nanoparticles were able to furnish a pulsatile release of ATP due to the shell polyvinylpyrrolidone (PVP). The time cost for a release of 30% was 0.32 h, whereas the core-shell particles were able to provide a 30.84-h sustained release of the 90% loaded ATP. The scanning electron microscope and transmission electron microscope results verified in terms of their round surface morphologies and the obvious core-shell double-chamber structures. ATP presented in both the core and shell sections in an amorphous state owing to its fine compatibility with CA and PVP. The controlled release mechanisms of ATP were suggested. The disclosed biomacromolecule-based process-structure-performance relationship can shed light on how to develop new sorts of advanced nano drug delivery systems.
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Affiliation(s)
- Lin Xu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China; (L.X.); (Y.D.)
| | - Hua He
- The Third Affiliated Hospital, Naval Medical University, Shanghai 200433, China
| | - Yutong Du
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China; (L.X.); (Y.D.)
| | - Shengwei Zhang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;
| | - Deng-Guang Yu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China; (L.X.); (Y.D.)
| | - Ping Liu
- The Base of Achievement Transformation, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai 200443, China
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Jonas V, Tycova A, Prikryl J, Kotzianova A, Velebny V, Foret F. Nanospray-assisted deposition of silver nanoparticles for mapping of a peptide in nanofibrous layers via surface-enhanced Raman spectrometry. Talanta 2023; 256:124313. [PMID: 36758503 DOI: 10.1016/j.talanta.2023.124313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/23/2023] [Accepted: 01/26/2023] [Indexed: 01/30/2023]
Abstract
Surface-enhanced Raman spectrometry (SERS) is a universal detection tool identifying molecules via vibrations of their chemical bonds. Its function requires the close localization of metal nanostructures and the analyte. In this work, we present a lab-made instrumentation for the deposition of silver nanoparticles on a strongly hydrophilic nanofibrous composite via a nanospray for SERS mapping of an incorporated peptide. The nanospray-sample distance was revealed as the most crucial parameter since it directly influences the moisture of the deposited colloid. Residual water was recognized as a sensitivity enhancer. Additionally, we continuously introduced a solution of sodium chloride to the colloid increasing its ionic strength, which formed a more homogeneous profile of the deposit. After the deposition process, the treated sample was scanned via a SERS laser and the collected Raman spectra were transformed into a distribution map of the peptide at a concentration of 5 μg/g.
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Affiliation(s)
- Vladimir Jonas
- Institute of Analytical Chemistry of the CAS, v. v. i., Veveri 967/97, Brno, 602 00, Czech Republic; Faculty of Science, Masaryk University, Kotlarska 2, Brno, 602 00, Czech Republic
| | - Anna Tycova
- Institute of Analytical Chemistry of the CAS, v. v. i., Veveri 967/97, Brno, 602 00, Czech Republic.
| | - Jan Prikryl
- Institute of Analytical Chemistry of the CAS, v. v. i., Veveri 967/97, Brno, 602 00, Czech Republic
| | - Adela Kotzianova
- Contipro a.s., R&D Department, Dolni Dobrouc 401, Dolni Dobrouc, 561 02, Czech Republic
| | - Vladimir Velebny
- Contipro a.s., R&D Department, Dolni Dobrouc 401, Dolni Dobrouc, 561 02, Czech Republic
| | - Frantisek Foret
- Institute of Analytical Chemistry of the CAS, v. v. i., Veveri 967/97, Brno, 602 00, Czech Republic
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Wang J, Li P, Wang N, Wang J, Xing D. Antibacterial features of material surface: strong enough to serve as antibiotics? J Mater Chem B 2023; 11:280-302. [PMID: 36533438 DOI: 10.1039/d2tb02139k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Bacteria are small but need big efforts to control. The use of antibiotics not only produces superbugs that are increasingly difficult to inactivate, but also raises environmental concerns with the growing consumption. It is now believed that the antibacterial task can count on some physiochemical features of material surfaces, which can be anti-adhesive or bactericidal without releasing toxicants. It is necessary to evaluate to what extent can we rely on the surface design since the actual application scenarios will need the antibacterial performance to be sharp, robust, environmentally friendly, and long-lasting. Herein, we review the recent laboratory advances that have been classified based on the specific surface features, including hydrophobicity, charge potential, micromorphology, stiffness and viscosity, and photoactivity, and the antibacterial mechanisms of each feature are included to provide a basic rationale for future design. The significance of anti-biofilms is also introduced, given the big role of biofilms in bacteria-caused damage. A perspective on the potential wide application of antibacterial surface features as a substitute or supplement to antibiotics is then discussed. Surface design is no doubt a solution worthy to explore, and future success will be a result of further progress in multiple directions, including mechanism study and material preparation.
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Affiliation(s)
- Jie Wang
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China. .,CAS Key Laboratory of Marine Environmental Corrosion and Bio-Fouling, Institute of Oceanology, China Academy of Sciences, Qingdao 266071, China.
| | - Ping Li
- School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences, Qingdao 266071, China
| | - Ning Wang
- CAS Key Laboratory of Marine Environmental Corrosion and Bio-Fouling, Institute of Oceanology, China Academy of Sciences, Qingdao 266071, China.
| | - Jing Wang
- CAS Key Laboratory of Marine Environmental Corrosion and Bio-Fouling, Institute of Oceanology, China Academy of Sciences, Qingdao 266071, China.
| | - Dongming Xing
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China.
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Levana O, Hoon Jeong J, Sik Hur S, Seo W, Lee M, Mu Noh K, Hong S, Hong Park J, Hun Lee J, Choi C, Hwang Y. Development of nanoclay-based nanocomposite surfaces with antibacterial properties for potential biomedical applications. J IND ENG CHEM 2023. [DOI: 10.1016/j.jiec.2022.12.052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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