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Candreva A, De Rose R, Perrotta ID, Guglielmelli A, La Deda M. Light-Induced Clusterization of Gold Nanoparticles: A New Photo-Triggered Antibacterial against E. coli Proliferation. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13040746. [PMID: 36839113 PMCID: PMC9967119 DOI: 10.3390/nano13040746] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 05/14/2023]
Abstract
Metallic nanoparticles show plasmon resonance phenomena when irradiated with electromagnetic radiation of a suitable wavelength, whose value depends on their composition, size, and shape. The damping of the surface electron oscillation causes a release of heat, which causes a large increase in local temperature. Furthermore, this increase is enhanced when nanoparticle aggregation phenomena occur. Local temperature increase is extensively exploited in photothermal therapy, where light is used to induce cellular damage. To activate the plasmon in the visible range, we synthesized 50 nm diameter spherical gold nanoparticles (AuNP) coated with polyethylene glycol and administered them to an E. coli culture. The experiments were carried out, at different gold nanoparticle concentrations, in the dark and under irradiation. In both cases, the nanoparticles penetrated the bacterial wall, but a different toxic effect was observed; while in the dark we observed an inhibition of bacterial growth of 46%, at the same concentration, under irradiation, we observed a bactericidal effect (99% growth inhibition). Photothermal measurements and SEM observations allowed us to conclude that the extraordinary effect is due to the formation, at low concentrations, of a light-induced cluster of gold nanoparticles, which does not form in the absence of bacteria, leading us to the conclusion that the bacterium wall catalyzes the formation of these clusters which are ultimately responsible for the significant increase in the measured temperature and cause of the bactericidal effect. This photothermal effect is achieved by low-power irradiation and only in the presence of the pathogen: in its absence, the lack of gold nanoparticles clustering does not lead to any phototoxic effect. Therefore, it may represent a proof of concept of an innovative nanoscale pathogen responsive system against bacterial infections.
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Affiliation(s)
- Angela Candreva
- Department of Chemistry and Chemical Technologies, University of Calabria, 87036 Rende, Italy
- CNR-NANOTEC, Institute of Nanotechnology U.O.S, Cosenza, 87036 Rende, Italy
| | - Renata De Rose
- Department of Chemistry and Chemical Technologies, University of Calabria, 87036 Rende, Italy
| | - Ida Daniela Perrotta
- Department of Biology, Ecology and Earth Sciences, Centre for Microscopy and Microanalysis (CM2), University of Calabria, 87036 Rende, Italy
| | - Alexa Guglielmelli
- CNR-NANOTEC, Institute of Nanotechnology U.O.S, Cosenza, 87036 Rende, Italy
- Department of Physics, NLHT-Lab, University of Calabria, 87036 Rende, Italy
| | - Massimo La Deda
- Department of Chemistry and Chemical Technologies, University of Calabria, 87036 Rende, Italy
- CNR-NANOTEC, Institute of Nanotechnology U.O.S, Cosenza, 87036 Rende, Italy
- Correspondence:
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Mousavi SM, Zarei M, Hashemi SA, Ramakrishna S, Chiang WH, Lai CW, Gholami A. Gold nanostars-diagnosis, bioimaging and biomedical applications. Drug Metab Rev 2020; 52:299-318. [PMID: 32150480 DOI: 10.1080/03602532.2020.1734021] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Gold Nanostars (GNS) have attracted tremendous attention toward themselves owing to their multi-branched structure and unique properties. These state of the art metallic nanoparticles possess intrinsic features like remarkable optical properties and exceptional physiochemical activities. These star-shaped gold nanoparticles can predominantly be utilized in biosensing, photothermal therapy, imaging, surface-enhanced Raman spectroscopy and target drug delivery applications due to their low toxicity and extraordinary optical features. In the current review, recent approaches in the matter of GNS in case of diagnosis, bioimaging and biomedical applications were summarized and reported. In this regard, first an overview about the structure and general properties of GNS were reported and thence detailed information regarding the diagnostic, bioimaging, photothermal therapy, and drug delivery applications of such novel nanomaterials were presented in detail. Summarized information clearly highlighting the superior capability of GNS as potential multi-functional materials for biomedical applications.
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Affiliation(s)
- Seyyed Mojtaba Mousavi
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
| | - Maryam Zarei
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyyed Alireza Hashemi
- Department of Mechanical Engineering, Center for Nanofibers and Nanotechnology, National University of Singapore, Singapore, Singapore
| | - Seeram Ramakrishna
- Department of Mechanical Engineering, Center for Nanofibers and Nanotechnology, National University of Singapore, Singapore, Singapore
| | - Wei-Hung Chiang
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
| | - Chin Wei Lai
- Nanotechnology & Catalysis Research Centre, University of Malaya, Kuala Lumpur, Malaysia
| | - Ahmad Gholami
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy and Pharmaceutical research Center, Shiraz University of Medical Science, Shiraz, Iran
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Borzenkov M, Pallavicini P, Chirico G. Photothermally Active Inorganic Nanoparticles: from Colloidal Solutions to Photothermally Active Printed Surfaces and Polymeric Nanocomposite Materials. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201900836] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Mykola Borzenkov
- Department of Medicine and Surgery Department of Physics Nanomedicine Center University of Milano‐Bicocca piazza dell'Ateneo Nuovo 1 – 21026 Milan Italy
| | | | - Giuseppe Chirico
- Department of Medicine and Surgery Department of Physics Nanomedicine Center University of Milano‐Bicocca piazza dell'Ateneo Nuovo 1 – 21026 Milan Italy
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Borzenkov M, Moros M, Tortiglione C, Bertoldi S, Contessi N, Faré S, Taglietti A, D’Agostino A, Pallavicini P, Collini M, Chirico G. Fabrication of photothermally active poly(vinyl alcohol) films with gold nanostars for antibacterial applications. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2018; 9:2040-2048. [PMID: 30116694 PMCID: PMC6071708 DOI: 10.3762/bjnano.9.193] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 07/11/2018] [Indexed: 05/02/2023]
Abstract
The unique photothermal properties of non-spherical gold nanoparticles under near-infrared (NIR) irradiation find broad application in nanotechnology and nanomedicine. The combination of their plasmonic features with widely used biocompatible poly(vinyl alcohol) (PVA) films can lead to novel hybrid polymeric materials with tunable photothermal properties and a wide range of applications. In this study, thin PVA films containing highly photothermally efficient gold nanostars (GNSs) were fabricated and their properties were studied. The resulting films displayed good mechanical properties and a pronounced photothermal effect under NIR irradiation. The local photothermal effect triggered by NIR irradiation of the PVA-GNS films is highly efficient at killing bacteria, therefore providing an opportunity to develop new types of protective antibacterial films and coatings.
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Affiliation(s)
- Mykola Borzenkov
- Department of Medicine and Surgery, Nanomedicine Center, University of Milano-Bicocca, Piazza dell’Ateneo Nuovo, 20126, Milan, Italy
| | - Maria Moros
- Institute of Applied Sciences and Intelligent Systems, National Research Council of Italy, Via Campi-Flegrei 34, 80078, Pozzuoli, Italy
| | - Claudia Tortiglione
- Institute of Applied Sciences and Intelligent Systems, National Research Council of Italy, Via Campi-Flegrei 34, 80078, Pozzuoli, Italy
| | - Serena Bertoldi
- Politecnico di Milano, Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Piazza Leonardo da Vinci 32, 20133, Milan, Italy
- Local Unit Politecnico di Milano, INSTM, Consorzio Nazionale di Scienza e Tecnologia dei Materiali, Milan, Italy
| | - Nicola Contessi
- Politecnico di Milano, Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Piazza Leonardo da Vinci 32, 20133, Milan, Italy
- Local Unit Politecnico di Milano, INSTM, Consorzio Nazionale di Scienza e Tecnologia dei Materiali, Milan, Italy
| | - Silvia Faré
- Politecnico di Milano, Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Piazza Leonardo da Vinci 32, 20133, Milan, Italy
- Local Unit Politecnico di Milano, INSTM, Consorzio Nazionale di Scienza e Tecnologia dei Materiali, Milan, Italy
| | - Angelo Taglietti
- Department of Chemistry and Centre for Health Technology, University of Pavia, Viale Taramelli 12, 27100, Pavia, Italy
| | - Agnese D’Agostino
- Department of Chemistry and Centre for Health Technology, University of Pavia, Viale Taramelli 12, 27100, Pavia, Italy
| | - Piersandro Pallavicini
- Department of Chemistry and Centre for Health Technology, University of Pavia, Viale Taramelli 12, 27100, Pavia, Italy
| | - Maddalena Collini
- Department of Medicine and Surgery, Nanomedicine Center, University of Milano-Bicocca, Piazza dell’Ateneo Nuovo, 20126, Milan, Italy
- Department of Physics “G. Occhialini”, University of Milano-Bicocca, Piazza dell’AteneoNuovo, 20126, Milan, Italy
| | - Giuseppe Chirico
- Department of Medicine and Surgery, Nanomedicine Center, University of Milano-Bicocca, Piazza dell’Ateneo Nuovo, 20126, Milan, Italy
- Department of Physics “G. Occhialini”, University of Milano-Bicocca, Piazza dell’AteneoNuovo, 20126, Milan, Italy
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Sun YW, Wang LH, Meng DL, Che X. A green and facile preparation approach, licochalcone A capped on hollow gold nanoparticles, for improving the solubility and dissolution of anticancer natural product. Oncotarget 2017; 8:105673-105681. [PMID: 29285282 PMCID: PMC5739669 DOI: 10.18632/oncotarget.22387] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Accepted: 10/28/2017] [Indexed: 01/08/2023] Open
Abstract
This study described a valuable drug delivery system for poorly water-soluble anticancer naturalproduct, licochalcone A, isolated from Glycyrrhiza inflata, loaded on hollow gold nanoparticles by green method to improve solubility and dissolution and maintain its natural pharmacological property. Briefly, the formation of hollow gold nanoparticles involves three steps: preparing of silica nanospheres by Stober method, forming of a thick gold shell around the silica templates and etching of silica particles by HF solution. Hollow gold nanoparticles (HGNPs) and drug loaded hollow gold nanoparticles (L-HGNPs) displayed spherical structure and approximately 200nm in size observed by SEM, XRD, EDS and DSC analysis showed that HGNPs were gold hollow structure and crystalline form. The solubility in aqueous solution of licochalcone A was increased obviously to 488.9 μg/ml, compared with free drugs of 136.1 μg/ml. Another interesting finding is that near-infrared (NIR) irradiation increased the speed of solubility of licochalcone A in aqueous solutions, rather than quantity. In short, the method of nano-delivery system combined with poorly water-soluble drug to improve its solubility and dissolution is worth applying to other natural products in order to increase their opportunities in clinical applications.
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Affiliation(s)
- Yi-Wei Sun
- School of Traditional Chinese Materia Medica, Key Laboratory of Structure-Based Drug Design and Discovery (Shenyang Pharmaceutical University), Ministry of Education, Shenyang 110016, PR China
| | - Li-Hong Wang
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Da-Li Meng
- School of Traditional Chinese Materia Medica, Key Laboratory of Structure-Based Drug Design and Discovery (Shenyang Pharmaceutical University), Ministry of Education, Shenyang 110016, PR China
| | - Xin Che
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, PR China
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