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Biliak K, Nikitin D, Ali-Ogly S, Protsak M, Pleskunov P, Tosca M, Sergievskaya A, Cornil D, Cornil J, Konstantinidis S, Košutová T, Černochová Z, Štěpánek P, Hanuš J, Kousal J, Hanyková L, Krakovský I, Choukourov A. Plasmonic Ag/Cu/PEG nanofluids prepared when solids meet liquids in the gas phase. NANOSCALE ADVANCES 2023; 5:955-969. [PMID: 36756512 PMCID: PMC9891094 DOI: 10.1039/d2na00785a] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 12/22/2022] [Indexed: 06/18/2023]
Abstract
Since the time of Faraday's experiments, the optical response of plasmonic nanofluids has been tailored by the shape, size, concentration, and material of nanoparticles (NPs), or by mixing different types of NPs. To date, water-based liquids have been the most extensively investigated host media, while polymers, such as poly(ethylene glycol) (PEG), have frequently been added to introduce repulsive steric interactions and protect NPs from agglomeration. Here, we introduce an inverse system of non-aqueous nanofluids, in which Ag and Cu NPs are dispersed in PEG (400 g mol-1), with no solvents or chemicals involved. Our single-step approach comprises the synthesis of metal NPs in the gas phase using sputtering-based gas aggregation cluster sources, gas flow transport of NPs, and their deposition (optionally simultaneous) on the PEG surface. Using computational fluid dynamics simulations, we show that NPs diffuse into PEG at an average velocity of the diffusion front of the order of μm s-1, which is sufficient for efficient loading of the entire polymer bulk. We synthesize yellow Ag/PEG, green Cu/PEG, and blue Ag/Cu/PEG nanofluids, in which the color is given by the position of the plasmon resonance. NPs are prone to partial agglomeration and sedimentation, with a slower kinetics for Cu. Density functional theory calculations combined with UV-vis data and zeta-potential measurements prove that the surface oxidation to Cu2O and stronger electrostatic repulsion are responsible for the higher stability of Cu NPs. Adopting the De Gennes formalism, we estimate that PEG molecules adsorb on the NP surface in mushroom coordination, with the thickness of the adsorbed layer L < 1.4 nm, grafting density σ < 0.20, and the average distance between the grafted chains D > 0.8 nm. Such values provide sufficient steric barriers to retard, but not completely prevent, agglomeration. Overall, our approach offers an excellent platform for fundamental research on non-aqueous nanofluids, with metal-polymer and metal-metal interactions unperturbed by the presence of solvents or chemical residues.
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Affiliation(s)
- Kateryna Biliak
- Department of Macromolecular Physics, Faculty of Mathematics and Physics, Charles University V Holešovičkách 2 180 00 Prague Czech Republic
| | - Daniil Nikitin
- Department of Macromolecular Physics, Faculty of Mathematics and Physics, Charles University V Holešovičkách 2 180 00 Prague Czech Republic
| | - Suren Ali-Ogly
- Department of Macromolecular Physics, Faculty of Mathematics and Physics, Charles University V Holešovičkách 2 180 00 Prague Czech Republic
| | - Mariia Protsak
- Department of Macromolecular Physics, Faculty of Mathematics and Physics, Charles University V Holešovičkách 2 180 00 Prague Czech Republic
| | - Pavel Pleskunov
- Department of Macromolecular Physics, Faculty of Mathematics and Physics, Charles University V Holešovičkách 2 180 00 Prague Czech Republic
| | - Marco Tosca
- Department of Macromolecular Physics, Faculty of Mathematics and Physics, Charles University V Holešovičkách 2 180 00 Prague Czech Republic
- ELI-Beamlines Centre, Institute of Physics, Czech Academy of Sciences Dolni Brezany Czech Republic
| | - Anastasiya Sergievskaya
- Plasma-Surface Interaction Chemistry (ChIPS), University of Mons Place du Parc 20 7000 Mons Belgium
| | - David Cornil
- Laboratory for Chemistry of Novel Materials, University of Mons Place du Parc 23 B-7000 Mons Belgium
| | - Jérôme Cornil
- Laboratory for Chemistry of Novel Materials, University of Mons Place du Parc 23 B-7000 Mons Belgium
| | - Stephanos Konstantinidis
- Plasma-Surface Interaction Chemistry (ChIPS), University of Mons Place du Parc 20 7000 Mons Belgium
| | - Tereza Košutová
- Department of Condensed Matter Physics, Faculty of Mathematics and Physics, Charles University Ke Karlovu 5 121 16 Prague Czech Republic
| | - Zulfiya Černochová
- Institute of Macromolecular Chemistry, Czech Academy of Sciences Heyrovského nám. 2 162 06 Prague Czech Republic
| | - Petr Štěpánek
- Institute of Macromolecular Chemistry, Czech Academy of Sciences Heyrovského nám. 2 162 06 Prague Czech Republic
| | - Jan Hanuš
- Department of Macromolecular Physics, Faculty of Mathematics and Physics, Charles University V Holešovičkách 2 180 00 Prague Czech Republic
| | - Jaroslav Kousal
- Department of Macromolecular Physics, Faculty of Mathematics and Physics, Charles University V Holešovičkách 2 180 00 Prague Czech Republic
| | - Lenka Hanyková
- Department of Macromolecular Physics, Faculty of Mathematics and Physics, Charles University V Holešovičkách 2 180 00 Prague Czech Republic
| | - Ivan Krakovský
- Department of Macromolecular Physics, Faculty of Mathematics and Physics, Charles University V Holešovičkách 2 180 00 Prague Czech Republic
| | - Andrei Choukourov
- Department of Macromolecular Physics, Faculty of Mathematics and Physics, Charles University V Holešovičkách 2 180 00 Prague Czech Republic
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Ren R, Lim C, Li S, Wang Y, Song J, Lin TW, Muir BW, Hsu HY, Shen HH. Recent Advances in the Development of Lipid-, Metal-, Carbon-, and Polymer-Based Nanomaterials for Antibacterial Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12213855. [PMID: 36364631 PMCID: PMC9658259 DOI: 10.3390/nano12213855] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 10/28/2022] [Accepted: 10/28/2022] [Indexed: 05/29/2023]
Abstract
Infections caused by multidrug-resistant (MDR) bacteria are becoming a serious threat to public health worldwide. With an ever-reducing pipeline of last-resort drugs further complicating the current dire situation arising due to antibiotic resistance, there has never been a greater urgency to attempt to discover potential new antibiotics. The use of nanotechnology, encompassing a broad range of organic and inorganic nanomaterials, offers promising solutions. Organic nanomaterials, including lipid-, polymer-, and carbon-based nanomaterials, have inherent antibacterial activity or can act as nanocarriers in delivering antibacterial agents. Nanocarriers, owing to the protection and enhanced bioavailability of the encapsulated drugs, have the ability to enable an increased concentration of a drug to be delivered to an infected site and reduce the associated toxicity elsewhere. On the other hand, inorganic metal-based nanomaterials exhibit multivalent antibacterial mechanisms that combat MDR bacteria effectively and reduce the occurrence of bacterial resistance. These nanomaterials have great potential for the prevention and treatment of MDR bacterial infection. Recent advances in the field of nanotechnology are enabling researchers to utilize nanomaterial building blocks in intriguing ways to create multi-functional nanocomposite materials. These nanocomposite materials, formed by lipid-, polymer-, carbon-, and metal-based nanomaterial building blocks, have opened a new avenue for researchers due to the unprecedented physiochemical properties and enhanced antibacterial activities being observed when compared to their mono-constituent parts. This review covers the latest advances of nanotechnologies used in the design and development of nano- and nanocomposite materials to fight MDR bacteria with different purposes. Our aim is to discuss and summarize these recently established nanomaterials and the respective nanocomposites, their current application, and challenges for use in applications treating MDR bacteria. In addition, we discuss the prospects for antimicrobial nanomaterials and look forward to further develop these materials, emphasizing their potential for clinical translation.
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Affiliation(s)
- Ruohua Ren
- Department of Materials Science and Engineering, Faculty of Engineering, Monash University, Clayton, VIC 3800, Australia
| | - Chiaxin Lim
- Department of Materials Science and Engineering, Faculty of Engineering, Monash University, Clayton, VIC 3800, Australia
- Biomedicine Discovery Institute, Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
| | - Shiqi Li
- Department of Materials Science and Engineering, Faculty of Engineering, Monash University, Clayton, VIC 3800, Australia
| | - Yajun Wang
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Jiangning Song
- Biomedicine Discovery Institute, Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
| | - Tsung-Wu Lin
- Department of Chemistry, Tunghai University, No.1727, Sec.4, Taiwan Boulevard, Xitun District, Taichung 40704, Taiwan
| | | | - Hsien-Yi Hsu
- School of Energy and Environment, Department of Materials Science and Engineering, City University of Hong Kong, Kowloon Tong, Hong Kong 518057, China
| | - Hsin-Hui Shen
- Department of Materials Science and Engineering, Faculty of Engineering, Monash University, Clayton, VIC 3800, Australia
- Biomedicine Discovery Institute, Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
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Akdoğan E, Şirin HT. Plasma surface modification strategies for the preparation of antibacterial biomaterials: A review of the recent literature. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 131:112474. [PMID: 34857260 DOI: 10.1016/j.msec.2021.112474] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 09/03/2021] [Accepted: 10/01/2021] [Indexed: 12/16/2022]
Abstract
Plasma-based strategies offer several advantages for developing antibacterial biomaterials and can be used directly or combined with other surface modification techniques. Direct plasma strategies can be classified as plasma surface modifications that derive antibacterial property by tailoring surface topography or surface chemistry. Nano patterns induced by plasma modification can exhibit antibacterial property and promote the adhesion and proliferation of mammalian cells, creating antibacterial and biocompatible surfaces. Antibacterial effect by tailoring surface chemistry via plasma can be attained by either creating bacteriostatic surfaces or bactericidal surfaces. Plasma-assisted strategies incorporate plasma processes in combination with other surface modification techniques. Plasma coating can serve as a drug-eluting reservoir and diffusion barrier. The plasma-functionalized surface can serve as a platform for grafting antibacterial agents, and plasma surface activation can improve the adhesion of polymeric layers with antibacterial properties. This article critically reviews plasma-based strategies reported in the recent literature for the development of antibacterial biomaterial surfaces. Studies using both atmospheric and low-pressure plasmas are included in this review. The findings are discussed in terms of the trends in material and precursor selection, modification stability, antibacterial efficacy, the choice of bacterial strains tested, cell culture findings, critical aspects of in vitro performance testing and in vivo experimental design.
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Affiliation(s)
- Ebru Akdoğan
- Department of Chemistry, Ankara Hacı Bayram Veli University, 06900 Ankara, Turkey.
| | - Hasret Tolga Şirin
- Department of Chemistry, Ankara Hacı Bayram Veli University, 06900 Ankara, Turkey
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Choukourov A, Nikitin D, Pleskunov P, Tafiichuk R, Biliak K, Protsak M, Kishenina K, Hanuš J, Dopita M, Cieslar M, Popelář T, Ondič L, Varga M. Residual- and linker-free metal/polymer nanofluids prepared by direct deposition of magnetron-sputtered Cu nanoparticles into liquid PEG. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Novel design of Fe-Cu alloy coated cellulose nanocrystals with strong antibacterial ability and efficient Pb2+ removal. Carbohydr Polym 2020; 234:115889. [DOI: 10.1016/j.carbpol.2020.115889] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 01/08/2020] [Accepted: 01/16/2020] [Indexed: 12/28/2022]
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Pleskunov P, Nikitin D, Tafiichuk R, Shelemin A, Hanuš J, Kousal J, Krtouš Z, Khalakhan I, Kúš P, Nasu T, Nagahama T, Funaki C, Sato H, Gawek M, Schoenhals A, Choukourov A. Plasma Polymerization of Acrylic Acid for the Tunable Synthesis of Glassy and Carboxylated Nanoparticles. J Phys Chem B 2020; 124:668-678. [PMID: 31895566 DOI: 10.1021/acs.jpcb.9b08960] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Polymer nanoparticles (NPs) can be highly attractive in numerous applications, including biomedicine, where the use of inorganic matter may be detrimental for living tissues. In conventional wet chemistry, polymerization and functionalization of NPs with specific chemical groups involves complex and often numerous reactions. Here, we report on a solvent-free, single-step, low-temperature plasma-based synthesis of carboxylated NPs produced by the polymerization of acrylic acid under the conditions of a glow discharge. In a monomer-deficient regime, the strong fragmentation of monomer molecules by electron impact results in the formation of 15 nm-sized NPs with <1% retention of the carboxyl groups. In an energy-deficient regime, larger 90 nm-sized NPs are formed with better retention of carboxyl groups that reaches 16%. All types of NPs exhibit a glass transition above room temperature, which makes them highly stable in an aqueous environment with no dissolution or swelling. The NPs are also found to degrade thermally when heated above 150 °C, with a decrease in the mean NP size but with retention of the chemical composition. Thus, plasma polymerization proves to be a versatile approach for the production of polymer NPs with a tunable size distribution, chemical composition, and physical properties.
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Affiliation(s)
- Pavel Pleskunov
- Department of Macromolecular Physics, Faculty of Mathematics and Physics , Charles University , V Holešovičkách 2 , Prague 180 00 , Czech Republic
| | - Daniil Nikitin
- Department of Macromolecular Physics, Faculty of Mathematics and Physics , Charles University , V Holešovičkách 2 , Prague 180 00 , Czech Republic
| | - Renata Tafiichuk
- Department of Macromolecular Physics, Faculty of Mathematics and Physics , Charles University , V Holešovičkách 2 , Prague 180 00 , Czech Republic
| | - Artem Shelemin
- Department of Macromolecular Physics, Faculty of Mathematics and Physics , Charles University , V Holešovičkách 2 , Prague 180 00 , Czech Republic
| | - Jan Hanuš
- Department of Macromolecular Physics, Faculty of Mathematics and Physics , Charles University , V Holešovičkách 2 , Prague 180 00 , Czech Republic
| | - Jaroslav Kousal
- Department of Macromolecular Physics, Faculty of Mathematics and Physics , Charles University , V Holešovičkách 2 , Prague 180 00 , Czech Republic
| | - Zdeněk Krtouš
- Department of Macromolecular Physics, Faculty of Mathematics and Physics , Charles University , V Holešovičkách 2 , Prague 180 00 , Czech Republic
| | - Ivan Khalakhan
- Department of Surface and Plasma Science, Faculty of Mathematics and Physics , Charles University , V Holešovičkách 2 , Prague 180 00 , Czech Republic
| | - Peter Kúš
- Department of Surface and Plasma Science, Faculty of Mathematics and Physics , Charles University , V Holešovičkách 2 , Prague 180 00 , Czech Republic
| | - Tatsuro Nasu
- Graduate School of Human Development and Environment , Kobe University , Tsurukabuto 3-11 , Nada, Kobe 657-8501 Japan
| | - Tomoki Nagahama
- Graduate School of Human Development and Environment , Kobe University , Tsurukabuto 3-11 , Nada, Kobe 657-8501 Japan
| | - Chihiro Funaki
- Graduate School of Human Development and Environment , Kobe University , Tsurukabuto 3-11 , Nada, Kobe 657-8501 Japan
| | - Harumi Sato
- Graduate School of Human Development and Environment , Kobe University , Tsurukabuto 3-11 , Nada, Kobe 657-8501 Japan
| | - Marcel Gawek
- Bundesanstalt für Materialforschung und -prüfung (BAM) , Unter den Eichen 87 , 12205 Berlin , Germany
| | - Andreas Schoenhals
- Bundesanstalt für Materialforschung und -prüfung (BAM) , Unter den Eichen 87 , 12205 Berlin , Germany
| | - Andrei Choukourov
- Department of Macromolecular Physics, Faculty of Mathematics and Physics , Charles University , V Holešovičkách 2 , Prague 180 00 , Czech Republic
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Magnetron Sputtering of Polymeric Targets: From Thin Films to Heterogeneous Metal/Plasma Polymer Nanoparticles. MATERIALS 2019; 12:ma12152366. [PMID: 31349580 PMCID: PMC6696368 DOI: 10.3390/ma12152366] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 07/16/2019] [Accepted: 07/23/2019] [Indexed: 02/06/2023]
Abstract
Magnetron sputtering is a well-known technique that is commonly used for the deposition of thin compact films. However, as was shown in the 1990s, when sputtering is performed at pressures high enough to trigger volume nucleation/condensation of the supersaturated vapor generated by the magnetron, various kinds of nanoparticles may also be produced. This finding gave rise to the rapid development of magnetron-based gas aggregation sources. Such systems were successfully used for the production of single material nanoparticles from metals, metal oxides, and plasma polymers. In addition, the growing interest in multi-component heterogeneous nanoparticles has led to the design of novel systems for the gas-phase synthesis of such nanomaterials, including metal/plasma polymer nanoparticles. In this featured article, we briefly summarized the principles of the basis of gas-phase nanoparticles production and highlighted recent progress made in the field of the fabrication of multi-component nanoparticles. We then introduced a gas aggregation source of plasma polymer nanoparticles that utilized radio frequency magnetron sputtering of a polymeric target with an emphasis on the key features of this kind of source. Finally, we presented and discussed three strategies suitable for the generation of metal/plasma polymer multi-core@shell or core-satellite nanoparticles: the use of composite targets, a multi-magnetron approach, and in-flight coating of plasma polymer nanoparticles by metal.
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