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Fattahi N, Gorgannezhad L, Masoule SF, Babanejad N, Ramazani A, Raoufi M, Sharifikolouei E, Foroumadi A, Khoobi M. PEI-based functional materials: Fabrication techniques, properties, and biomedical applications. Adv Colloid Interface Sci 2024; 325:103119. [PMID: 38447243 DOI: 10.1016/j.cis.2024.103119] [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: 09/29/2023] [Revised: 01/15/2024] [Accepted: 02/22/2024] [Indexed: 03/08/2024]
Abstract
Cationic polymers have recently attracted considerable interest as research breakthroughs for various industrial and biomedical applications. They are particularly interesting due to their highly positive charges, acceptable physicochemical properties, and ability to undergo further modifications, making them attractive candidates for biomedical applications. Polyethyleneimines (PEIs), as the most extensively utilized polymers, are one of the valuable and prominent classes of polycations. Owing to their flexible polymeric chains, broad molecular weight (MW) distribution, and repetitive structural units, their customization for functional composites is more feasible. The specific beneficial attributes of PEIs could be introduced by purposeful functionalization or modification, long service life, biocompatibility, and distinct geometry. Therefore, PEIs have significant potential in biotechnology, medicine, and bioscience. In this review, we present the advances in PEI-based nanomaterials, their transfection efficiency, and their toxicity over the past few years. Furthermore, the potential and suitability of PEIs for various applications are highlighted and discussed in detail. This review aims to inspire readers to investigate innovative approaches for the design and development of next-generation PEI-based nanomaterials possessing cutting-edge functionalities and appealing characteristics.
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Affiliation(s)
- Nadia Fattahi
- Drug Design and Development Research Center, The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran 1417614411, Iran; Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan 45371-38791, Iran
| | - Lena Gorgannezhad
- Queensland Micro- and Nanotechnology Centre, Nathan Campus, Griffith University, 170 Kessels Road, Brisbane, QLD 4111, Australia
| | - Shabnam Farkhonde Masoule
- Drug Design and Development Research Center, The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran 1417614411, Iran
| | - Niloofar Babanejad
- College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL, USA
| | - Ali Ramazani
- Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan 45371-38791, Iran.
| | - Mohammad Raoufi
- Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 13169-43551, Iran
| | - Elham Sharifikolouei
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca Degli Abruzzi 24, 10129, Turin (TO), Italy
| | - Alireza Foroumadi
- Drug Design and Development Research Center, The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran 1417614411, Iran; Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Science, Tehran, Iran
| | - Mehdi Khoobi
- Drug Design and Development Research Center, The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran 1417614411, Iran; Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
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2
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Saffari Z, Cohan RA, Sepahi M, Sadeqi M, Khoobi M, Fard MH, Ghavidel A, Amiri FB, Aghasadeghi MR, Norouzian D. Signal amplification of a quartz crystal microbalance immunosensor by gold nanoparticles-polyethyleneimine for hepatitis B biomarker detection. Sci Rep 2023; 13:21851. [PMID: 38071203 PMCID: PMC10710426 DOI: 10.1038/s41598-023-48766-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 11/30/2023] [Indexed: 12/18/2023] Open
Abstract
The procedures currently used for hepatitis B (HB) detection are not suitable for screening, clinical diagnosis, and point-of-care testing (POCT). Therefore, we developed and tested a QCM-based immunosensor by surface modification with AuNP-PEIs to amplify the signal and provide an oriented-immobilization surface. The AuNP-PEIs were characterized by ICP-Mass, UV/Vis, DLS, FE-SEM, and ATR-FTIR. After coating AuNP-PEIs on the gold electrode surface, anti-HBsAg antibodies were immobilized using NHS/EDC chemistry based on response surface methodology (RSM) optimization. The efficiency of the immunosensor was assessed by human sera and data were compared to gold-standard ELISA using receiver-operating-characteristic (ROC) analysis. FE-SEM, AFM, EDS, and EDS mapping confirmed AuNP-PEIs are homogeneously distributed on the surface with a high density and purity. After antibody immobilization, the immunosensor exhibited good recognition of HBsAg with a calibration curve of ∆F = - 6.910e-7x + 10(R2 = 0.9905), a LOD of 1.49 ng/mL, and a LOQ of 4.52 ng/mL. The immunosensor yielded reliable and accurate results with a specificity of 100% (95% CI 47.8-100.0) and sensitivity of 100% (95% CI 96.2-100.0). In conclusion, the fabricated immunosensor has the potential as an analytic tool with high sensitivity and specificity. However, further investigations are needed to convert it to a tiny lab-on-chip for HB diagnosis in clinical samples.
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Affiliation(s)
- Zahra Saffari
- Nanobiotechnology Department, New Technologies Research Group, Pasteur Institute of Iran, Tehran, 1316943551, Iran
| | - Reza Ahangari Cohan
- Nanobiotechnology Department, New Technologies Research Group, Pasteur Institute of Iran, Tehran, 1316943551, Iran
| | - Mina Sepahi
- Nanobiotechnology Department, New Technologies Research Group, Pasteur Institute of Iran, Tehran, 1316943551, Iran
| | - Mahdi Sadeqi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mehdi Khoobi
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- Pharmaceutical Quality Assurance Research Center, The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
| | | | - Amir Ghavidel
- Physics Department, Sharif University of Technology, Tehran, Iran
| | - Fahimeh Bagheri Amiri
- Department of Epidemiology and Biostatistics, Research Centre for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Tehran, Iran
| | | | - Dariush Norouzian
- Nanobiotechnology Department, New Technologies Research Group, Pasteur Institute of Iran, Tehran, 1316943551, Iran.
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3
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Sahingoz D, Akturk O, Cagdas Tunali B, Turk M, Celebi Keskin A. Synthesis and characterization of polyethyleneimine/silk fibroin/gold nanoparticle nanocomposites: Potential application as a gene carrier in breast cancer cell lines. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.112042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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4
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Hwang YS, So D, Lee M, Yoon J, Reipa V, Tona A, Yi F, Nelson BC, LaVan DA, Hackley VA, Daar IO, Cho TJ. Polyethyleneimine/polyethylene glycol-conjugated gold nanoparticles as nanoscale positive/negative controls in nanotoxicology: testing in frog embryo teratogenesis assay- Xenopus and mammalian tissue culture system. Nanotoxicology 2023; 17:94-115. [PMID: 36919473 PMCID: PMC10471858 DOI: 10.1080/17435390.2023.2187322] [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] [Received: 07/25/2022] [Revised: 12/20/2022] [Accepted: 02/28/2023] [Indexed: 03/16/2023]
Abstract
Despite the great potential of using positively charged gold nanoparticles (AuNPs) in nanomedicine, no systematic studies have been reported on their synthesis optimization or colloidal stability under physiological conditions until a group at the National Institute of Standards and Technology recently succeeded in producing remarkably stable polyethyleneimine (PEI)-coated AuNPs (Au-PEI). This improved version of Au-PEI (Au-PEI25kB) has increased the demand for toxicity and teratogenicity information for applications in nanomedicine and nanotoxicology. In vitro assays for Au-PEI25kB in various cell lines showed substantial active cytotoxicity. For advanced toxicity research, the frog embryo teratogenesis assay-Xenopus (FETAX) method was employed in this study. We observed that positively-charged Au-PEI25kB exhibited significant toxicity and teratogenicity, whereas polyethylene glycol conjugated AuNPs (Au-PEG) used as comparable negative controls did not. There is a characteristic avidity of Au-PEI25kB for the jelly coat, the chorionic envelope (also known as vitelline membrane) and the cytoplasmic membrane, as well as a barrier effect of the chorionic envelope observed with Au-PEG. To circumvent these characteristics, an injection-mediated FETAX approach was utilized. Like treatment with the FETAX method, the injection of Au-PEI25kB severely impaired embryo development. Notably, the survival/concentration curve that was steep when the standard FETAX approach was employed became gradual in the injection-mediated FETAX. These results suggest that Au-PEI25kB may be a good candidate as a nanoscale positive control material for nanoparticle analysis in toxicology and teratology.
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Affiliation(s)
- Yoo-Seok Hwang
- National Cancer Institute, Frederick, Maryland 21702, United States
| | - Daeho So
- National Cancer Institute, Frederick, Maryland 21702, United States
| | - Moonsup Lee
- National Cancer Institute, Frederick, Maryland 21702, United States
| | - Jaeho Yoon
- National Cancer Institute, Frederick, Maryland 21702, United States
| | - Vytas Reipa
- Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Alessandro Tona
- Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Feng Yi
- Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Bryant C. Nelson
- Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - David A. LaVan
- Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Vincent A. Hackley
- Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Ira O. Daar
- National Cancer Institute, Frederick, Maryland 21702, United States
| | - Tae Joon Cho
- Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
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Fantozzi E, Rama E, Calvio C, Albini B, Galinetto P, Bini M. Silver Doped Magnesium Ferrite Nanoparticles: Physico-Chemical Characterization and Antibacterial Activity. MATERIALS 2021; 14:ma14112859. [PMID: 34073496 PMCID: PMC8198861 DOI: 10.3390/ma14112859] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 05/22/2021] [Accepted: 05/25/2021] [Indexed: 12/17/2022]
Abstract
Spinel phases, with unique and outstanding physical properties, are attracting a great deal of interest in many fields. In particular, MgFe2O4, a partially inverted spinel phase, could find applications in medicine thanks to the remarkable antibacterial properties attributed to the generation of reactive oxygen species. In this paper, undoped and Ag-doped MgFe2-xAgxO4 (x = 0.1 and 0.3) nanoparticles were prepared using microwave-assisted combustion and sol–gel methods. X-ray powder diffraction, with Rietveld structural refinements combined with micro-Raman spectroscopy, allowed to determine sample purity and the inversion degree of the spinel, passing from about 0.4 to 0.7 when Ag was introduced as dopant. The results are discussed in view of the antibacterial activity towards Escherichia coli and Staphylococcus aureus, representative strains of Gram-negative and Gram-positive bacteria. The sol–gel particles were more efficient towards the chosen bacteria, possibly thanks to the nanometric sizes of metallic silver, which were well distributed in the powders and in the spinel phase, with respect to microwave ones, that, however, acquired antibacterial activity after thermal treatment, probably due to the nucleation of hematite, itself displaying well-known antibacterial properties and which could synergistically act with silver and spinel.
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Affiliation(s)
- Erika Fantozzi
- Department of Chemistry, University of Pavia, Viale Taramelli 16, 27100 Pavia, Italy;
| | - Erlinda Rama
- Department of Biology and Biotechnology “L. Spallanzani”, University of Pavia, via Ferrata 9, 27100 Pavia, Italy; (E.R.); (C.C.)
| | - Cinzia Calvio
- Department of Biology and Biotechnology “L. Spallanzani”, University of Pavia, via Ferrata 9, 27100 Pavia, Italy; (E.R.); (C.C.)
| | - Benedetta Albini
- Department of Physics and CNISM, University of Pavia, via Bassi 6, 27100 Pavia, Italy; (B.A.); (P.G.)
| | - Pietro Galinetto
- Department of Physics and CNISM, University of Pavia, via Bassi 6, 27100 Pavia, Italy; (B.A.); (P.G.)
| | - Marcella Bini
- Department of Chemistry, University of Pavia, Viale Taramelli 16, 27100 Pavia, Italy;
- Correspondence:
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Bali K, Bak M, Szarka K, Juhász G, Sáfrán G, Pécz B, Mihály J, Mészáros R. Controlling the morphology of poly(ethyleneimine)/gold nanoassemblies through the variation of pH and electrolyte additives. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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7
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Cho TJ, Gorham JM, Pettibone JM, Liu J, Tan J, Hackley VA. Parallel Multiparameter Study of PEI-Functionalized Gold Nanoparticle Synthesis for Biomedical Applications: Part 2. Elucidating the Role of Surface Chemistry and Polymer Structure in Performance. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:14058-14069. [PMID: 33170723 DOI: 10.1021/acs.langmuir.0c02630] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Elucidating the polyethyleneimine (PEI) chemistry to predictively and reproducibly synthesize gold nanoparticle (AuNP)-PEI conjugates with desired properties has been elusive despite evaluation in numerous studies and reported enhanced properties. The lack of reproducible methods to control the core size and stability has led to contradictory results for performance and safety; thus, advancement of the conjugate platform for commercial use has likely been hindered. Recently, we reported a robust, reproducible method for synthesizing PEI-functionalized AuNPs (Au-PEIs), providing an opportunity to investigate structure-function relationships and to further investigate synthesis parameters affecting performance, where only materials stable in biological media are candidates for use. The properties of Au-PEIs prepared by the optimized reduction of HAuCl4 using four different structural variants of PEI changed significantly with the PEI molar mass and backbone form (branched or linear). In the present study using our previously reported synthesis procedure, comprehensive analysis of properties such as size distribution, surface plasmon resonance (SPR), morphological state, surface functionality, and the shelf life has been systematically evaluated to elucidate the role of surface chemistry and reactive groups involved in conjugation, as a function of conjugate size and morphology. Being important for commercial adoption, the chemistry was related to the observed colloidal stability of the product in relevant media, including exposure to physiological variables such as salt, pH, proteins, and thermal changes. Overall, this work advances progress toward smart design of engineered nanoscale drug delivery systems and devices by providing unreported details of contributions affecting formation, stability, and fate.
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Affiliation(s)
- Tae Joon Cho
- Materials Measurement Science Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Justin M Gorham
- Materials Measurement Science Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - John M Pettibone
- Materials Measurement Science Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Jingyu Liu
- Materials Measurement Science Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Jiaojie Tan
- Department of Chemical and Biomolecular Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Vincent A Hackley
- Materials Measurement Science Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
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8
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Mao W, Kim SR, Yoo HS. Surface-decorated nanoparticles clicked into nanoparticle clusters for oligonucleotide encapsulation. RSC Adv 2020; 10:37040-37049. [PMID: 35521231 PMCID: PMC9057053 DOI: 10.1039/d0ra06622b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 09/24/2020] [Indexed: 12/04/2022] Open
Abstract
Gold nanoparticles (AuNPs) are the predominant and representative metal nano-carriers used for the tumor-targeted delivery of therapeutics because they possess advantages such as biocompatibility, high drug loading efficiency, and enhanced accumulation at tumor sites via the size-dependent enhanced permeability and retention (EPR) effect. In this study, we designed an AuNP functionalized with block polymers comprising polyethylenimine and azide group-functionalized poly(ethyl glycol) for the electrostatic incorporation of cytosine–guanine oligonucleotide (CpG ODN) on the surface. The ODN-incorporated AuNPs were cross-linked to gold nanoparticle clusters (AuNCs) via click chemistry using a matrix metalloproteinase (MMP)-2 cleavable peptide linker modified with alkyne groups at both ends. In the presence of Cu(i), azide groups and alkyne groups spontaneously cyclize to form a triazole ring with high fidelity and efficiency, and therefore allow single AuNPs to stack to larger AuNCs for increased EPR effect-mediated tumor targeting. 1H-NMR and Fourier transform infrared spectroscopy revealed the successful synthesis of an azide–PEG-grafted branched polyethylenimine, and the size and morphology of AuNPs fabricated by the synthesized polymer were confirmed to be 4.02 ± 0.45 nm by field emission-transmission electron microscopy. Raman spectroscopy characterization demonstrated the introduction of azide groups on the surface of the synthesized AuNPs. Zeta-potential and gel-retardation analysis of CpG-loaded AuNPs indicated complete CpG sequestration by AuNPs when the CpG : AuNP weight ratio was higher than 1 : 2.5. The clustering process of the CpG-loaded AuNPs was monitored and was demonstrated to be dependent on the alkyne linker-to-AuNP ratio. Thus, the clicked AuNC can be tailored as a gene carrier where a high accumulation of therapeutics is required. AuNPs with bPEI and azide modification are loaded with CpG and self-assembled to AuNCs by click chemistry using an alkyne-terminated MMP-2 cleavable peptide as a linker. The clusters are dissembled by MMP-2 to release CpG in a stimuli-responsive manner.![]()
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Affiliation(s)
- Wei Mao
- Department of Biomedical Materials Engineering
- Kangwon National University
- Chuncheon
- Republic of Korea
| | - Song Rae Kim
- Chuncheon Center
- Korea Basic Science Institute
- Chuncheon
- Republic of Korea
| | - Hyuk Sang Yoo
- Department of Biomedical Materials Engineering
- Kangwon National University
- Chuncheon
- Republic of Korea
- Institute of Molecular Science and Fusion Technology
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9
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Chen L, Huang Y, Song L, Yin W, Hou L, Liu X, Chen T. Biofriendly and Regenerable Emotional Monitor from Interfacial Ultrathin 2D PDA/AuNPs Cross-linking Films. ACS APPLIED MATERIALS & INTERFACES 2019; 11:36259-36269. [PMID: 31500411 DOI: 10.1021/acsami.9b11918] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Well-designed 2D materials with ultrathin structures show great potential for humidity-sensing performance owing to their high surface-volume ratio and a great number of exposed atoms on the surface. However, some sensing elements employed for healthcare applications may be considered as potentially risky, such as inflammation, granuloma formation, and carcinogenesis. Herein, we explored biofriendly humidity-sensing characteristics inspired by the great biocompatibility and conductivity of hyperbranched polyethyleneimine-capped gold nanoparticles and cross-linked with polydopamine from the adhesive proteins in mussels. It was successfully employed into two kinds of wearable devices, sports watches and breathing masks, for real-time recording humidity's fluctuation in expiration and sweat with changes of individual's crying, laughing, nervous, sleeping, training, and cold states. The wearable devices allow us to monitor individual's physical activities and emotional states well, suggesting a promising prospect in safe, reusable, long term, and noncontact human health monitoring applications.
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Affiliation(s)
- Liming Chen
- Ningbo Institute of Material Technology and Engineering, Key Laboratory of Graphene Technologies and Applications of Zhejiang Province , Chinese Academy of Sciences , Ningbo 315201 , China
| | - Youju Huang
- College of Materials, Chemistry and Chemical Engineering , Hangzhou Normal University , Hangzhou , Zhejiang 311121 , China
- Ningbo Institute of Material Technology and Engineering, Key Laboratory of Graphene Technologies and Applications of Zhejiang Province , Chinese Academy of Sciences , Ningbo 315201 , China
- National Engineering Research Centre for Advanced Polymer Processing Technology, Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education , Zhengzhou University , Zhengzhou 450002 , P. R. China
| | - Liping Song
- Ningbo Institute of Material Technology and Engineering, Key Laboratory of Graphene Technologies and Applications of Zhejiang Province , Chinese Academy of Sciences , Ningbo 315201 , China
| | | | - Linxi Hou
- Department of Materials-Oriented Chemical Engineering, College of Chemical Engineering , Fuzhou University , 2 Xueyuan Road , Fuzhou 350108 , China
| | | | - Tao Chen
- Ningbo Institute of Material Technology and Engineering, Key Laboratory of Graphene Technologies and Applications of Zhejiang Province , Chinese Academy of Sciences , Ningbo 315201 , China
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10
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Cho TJ, Gorham JM, Pettibone JM, Liu J, Tan J, Hackley VA. Parallel multi-parameter study of PEI-functionalized gold nanoparticle synthesis for bio-medical applications: part 1-a critical assessment of methodology, properties, and stability. JOURNAL OF NANOPARTICLE RESEARCH : AN INTERDISCIPLINARY FORUM FOR NANOSCALE SCIENCE AND TECHNOLOGY 2019; 21:10.1007/s11051-019-4621-3. [PMID: 32116469 PMCID: PMC7047743 DOI: 10.1007/s11051-019-4621-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 07/26/2019] [Indexed: 06/10/2023]
Abstract
Cationic polyethyleneimine (PEI)-conjugated gold nanoparticles (AuNPs) that are chemically and physically stable under physiological conditions are an ideal candidate for certain bio-medical applications, in particular DNA transfection. However, the issue remains in reproducibly generating uniform stable species, which can cause the inadequate characterization of the resulting product under relevant conditions and timepoints. The principal objective of the present study was to develop an optimized and reproducible synthetic route for preparing stable PEI-conjugated AuNPs (Au-PEIs). To achieve this objective, a parallel multi-parametric approach involving a total of 96 reaction studies evaluated the importance of 6 key factors: PEI molar mass, PEI structure, molar ratio of PEI/Au, concentration of reaction mixtures, reaction temperature, and reaction time. Application of optimized conditions exhibited narrow size distributions with characteristic surface plasmon resonance absorption and positive surface charge. The optimized Au-PEI product generated by this study exhibits exceptional stability under a physiological isotonic medium (phosphate-buffered saline) over 48 h and shelf-life in ambient condition without any significant change or sedimentation for at least 6 months. Furthermore, the optimized Au-PEI product was highly reproducible. Contributions from individual factors were elucidated using a broad and orthogonal characterization suite examining size and size distribution, optical absorbance, morphological transformation (agglomeration/aggregation), surface functionalities, and stability. Overall, this comprehensive multi-parametric investigation, supported by thorough characterization and rigorous testing, provides a robust foundation for the nanomedicine research community to better synthesize nanomaterials for biomedical use.
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Affiliation(s)
- Tae Joon Cho
- Materials Measurement Science Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
| | - Justin M Gorham
- Materials Measurement Science Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
| | - John M Pettibone
- Materials Measurement Science Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
| | - Jingyu Liu
- Materials Measurement Science Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
| | - Jiaojie Tan
- Materials Measurement Science Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
| | - Vincent A Hackley
- Materials Measurement Science Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
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11
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Bouché M, Fournel S, Kichler A, Selvam T, Gallani J, Bellemin‐Laponnaz S. Straightforward Synthesis of L‐PEI‐Coated Gold Nanoparticles and Their Biological Evaluation. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800489] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Mathilde Bouché
- Institut de Physique et Chimie des Matériaux de Strasbourg CNRS ‐ Université de Strasbourg 23 rue du Loess 67000 Strasbourg France
| | - Sylvie Fournel
- Faculté de Pharmacie Université de Strasbourg‐CNRS UMR 7199 74 Route du Rhin, BP 60024 67401 Illkirch Cedex France
| | - Antoine Kichler
- Faculté de Pharmacie Université de Strasbourg‐CNRS UMR 7199 74 Route du Rhin, BP 60024 67401 Illkirch Cedex France
| | - Tamilselvi Selvam
- Institut de Physique et Chimie des Matériaux de Strasbourg CNRS ‐ Université de Strasbourg 23 rue du Loess 67000 Strasbourg France
| | - Jean‐Louis Gallani
- Institut de Physique et Chimie des Matériaux de Strasbourg CNRS ‐ Université de Strasbourg 23 rue du Loess 67000 Strasbourg France
| | - Stéphane Bellemin‐Laponnaz
- Institut de Physique et Chimie des Matériaux de Strasbourg CNRS ‐ Université de Strasbourg 23 rue du Loess 67000 Strasbourg France
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12
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Efficacious cellular codelivery of doxorubicin and EGFP siRNA mediated by the composition of PLGA and PEI protected gold nanoparticles. Bioorg Med Chem Lett 2017; 27:4288-4293. [PMID: 28838699 DOI: 10.1016/j.bmcl.2017.08.037] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 08/09/2017] [Accepted: 08/17/2017] [Indexed: 02/06/2023]
Abstract
This study reports the simultaneous delivery of EGFP siRNA and the chemotherapeutic drug, doxorubicin by means of the composition that results from the electrostatic interaction between positively charged siRNA-complexes of gold nanoparticles (AuNPs) capped with PEI, 25kDa (P25-AuNPs) and negatively charged carboxymethyl cellulose formulated PLGA nanoparticles loaded with doxorubicin. The nanoparticles and their facile interaction were studied by means of dynamic light scattering (DLS), zeta potential, transmission electron microscopic (TEM) measurements. The flow cytometric and confocal microscopic analysis evidenced the simultaneous internalization of both labelled siRNA and doxorubin into around 55% of the HeLa cancer cell population. Fluorescence microscopic studies enabled the visual analysis of EGFP expressing HeLa cells which suggested that the composition mediated codelivery resulted in a substantial downregulation of EGFP expression and intracellular accumulation of doxorubicin. Interestingly, codelivery treatment resulted in an increased cellular delivery of doxorubicin when compared to PLGA-DOX alone treatment. On the other hand, the activity of siRNA complexes of PEI-AuNPs was completely retained even when they were part of composition. The results suggest that this formulation can serve as promising tool for delivery applications in combinatorial anticancer therapy.
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13
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Atrazine degradation through PEI-copper nanoparticles deposited onto montmorillonite and sand. Sci Rep 2017; 7:1415. [PMID: 28469190 PMCID: PMC5431096 DOI: 10.1038/s41598-017-01429-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 03/30/2017] [Indexed: 11/09/2022] Open
Abstract
We present the synthesis of new composite materials based on copper nanoparticles (Cu NPs) deposited onto montmorillonite (MK10) and quartz sand, for degradation of atrazine, in the context of an advanced oxidation process (AOP). The synthesis involves a first step in which polyethylenimine (PEI) capped Cu NPs (PEI_Cu NPs) are prepared, and then deposited onto, separately, MK10 and sand, through a solvent impregnation method. The resulting products are characterized in detail; the copper is found to exist as a mixture of copper (I, II) oxide. The degradation of atrazine follows a second-order kinetic model with constant values of K2 = 1.7957 g mg−1 min−1 for MK10_PEI_Cu NPs and K2 = 0.8133 g mg−1 min−1 for sand_PEI_Cu NPs. The reaction rate is linked to Cu2O and CuO redox-active species within the layers, pores and surface of the host materials. A degradation mechanism is found with application of these composite materials in the presence of H2O2; adsorption occurs in the absence of H2O2. In contrast, the unmodified MK10 and sand exhibit adsorption in both of the above reaction conditions. Finally, the stability of the Cu NPs following degradation is evaluated, and no significant amount of copper leaching is found.
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14
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Qiu S, Granet R, Mbakidi JP, Brégier F, Pouget C, Micallef L, Sothea-Ouk T, Leger DY, Liagre B, Chaleix V, Sol V. Delivery of tanshinone IIA and α-mangostin from gold/PEI/cyclodextrin nanoparticle platform designed for prostate cancer chemotherapy. Bioorg Med Chem Lett 2016; 26:2503-2506. [PMID: 27040657 DOI: 10.1016/j.bmcl.2016.03.097] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 03/23/2016] [Accepted: 03/26/2016] [Indexed: 11/16/2022]
Abstract
A new anti-cancer drug delivery system, based on gold nanoparticles, has been designed for hydrophobic active compounds. The system is a conjugate of gold/polyethyleneimine (AuNPs/PEI) nanoparticles and sulphated β-cyclodextrin (CD). Anionic cyclodextrin was attached to the positively charged AuNPs/PEI nanoparticles by ionic bonds. Tanshinone IIA and α-mangostin were extracted, purified and encapsulated into the AuNPs/PEI/CD nanoparticles. In vitro preliminary cell viability assays against prostate cancer cell lines PC-3 and DU145 showed that encapsulation resulted in increased cytotoxicity.
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Affiliation(s)
- Shihong Qiu
- Université de Limoges, Laboratoire de Chimie des Substances Naturelles, EA 1069, F-87000 Limoges, France
| | - Robert Granet
- Université de Limoges, Laboratoire de Chimie des Substances Naturelles, EA 1069, F-87000 Limoges, France
| | - Jean-Pierre Mbakidi
- Université de Limoges, Laboratoire de Chimie des Substances Naturelles, EA 1069, F-87000 Limoges, France
| | - Frédérique Brégier
- Université de Limoges, Laboratoire de Chimie des Substances Naturelles, EA 1069, F-87000 Limoges, France
| | - Christelle Pouget
- Université de Limoges, Laboratoire de Chimie des Substances Naturelles, EA 1069, F-87000 Limoges, France
| | - Ludovic Micallef
- Université de Limoges, Laboratoire de Chimie des Substances Naturelles, EA 1069, F-87000 Limoges, France
| | - Tan Sothea-Ouk
- Université de Limoges, Laboratoire de Chimie des Substances Naturelles, EA 1069, F-87000 Limoges, France
| | - David Y Leger
- Université de Limoges, Laboratoire de Chimie des Substances Naturelles, EA 1069, F-87000 Limoges, France
| | - Bertrand Liagre
- Université de Limoges, Laboratoire de Chimie des Substances Naturelles, EA 1069, F-87000 Limoges, France
| | - Vincent Chaleix
- Université de Limoges, Laboratoire de Chimie des Substances Naturelles, EA 1069, F-87000 Limoges, France
| | - Vincent Sol
- Université de Limoges, Laboratoire de Chimie des Substances Naturelles, EA 1069, F-87000 Limoges, France
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15
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Liao W, Li W, Zhang T, Kirberger M, Liu J, Wang P, Chen W, Wang Y. Powering up the molecular therapy of RNA interference by novel nanoparticles. Biomater Sci 2016; 4:1051-61. [DOI: 10.1039/c6bm00204h] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
With more suitable for disease treatment due to reduced cellular toxicity, higher loading capacity, and better biocompatibility, nanoparticle-based siRNA delivery systems have proved to be more potent, higher specific and less toxic than the traditional drug therapy.
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Affiliation(s)
- Wenzhen Liao
- Institute of Food Safety and Nutrition
- Jinan University
- Guangzhou
- China
- Department of Food Science and Technology
| | | | - Tiantian Zhang
- Institute of Food Safety and Nutrition
- Jinan University
- Guangzhou
- China
| | | | - Jun Liu
- Department of Food and Bioproduct Sciences
- University of Saskatchewan
- Saskatoon
- Canada
| | - Pei Wang
- Center for Excellence in Post-Harvest Technologies
- North Carolina Agricultural and Technical State University
- North Carolina 28081
- USA
| | - Wei Chen
- Sun Yat-Sen University
- Guangzhou
- China
| | - Yong Wang
- Department of Food Science and Engineering
- Jinan University
- Guangzhou
- China
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16
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Dave K, Malleswara Rao NN, Trinadh M, Monisha BA, Sesha Sainath AV, Dhayal M. Spectroscopic and electron microscopic analysis of bi-ligand functionalized glycopolymer/FITC–gold nanoparticles. RSC Adv 2016. [DOI: 10.1039/c6ra04273b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
We report a strategy to quantify the relative binding affinity of glycopolymers on FITC-AuNP by release of the FITC via self-assembly process and which was improved by introducing a PEG segment to the glycopolymer of similar functionalities.
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Affiliation(s)
- Kashyap Dave
- Clinical Research Facility
- Medical Biotechnology Complex
- CSIR – Centre for Cellular and Molecular Biology
- Hyderabad-500007
- India
| | - N. Naga Malleswara Rao
- Polymers and Functional Materials Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
| | - Mummuluri Trinadh
- Polymers and Functional Materials Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
| | - B. Anu Monisha
- Clinical Research Facility
- Medical Biotechnology Complex
- CSIR – Centre for Cellular and Molecular Biology
- Hyderabad-500007
- India
| | - Annadanam V. Sesha Sainath
- Polymers and Functional Materials Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
| | - Marshal Dhayal
- Clinical Research Facility
- Medical Biotechnology Complex
- CSIR – Centre for Cellular and Molecular Biology
- Hyderabad-500007
- India
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