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Bubnov AA, Belov VS, Kargina YV, Tikhonowski GV, Popov AA, Kharin AY, Shestakov MV, Perepukhov AM, Syuy AV, Volkov VS, Khovaylo VV, Klimentov SM, Kabashin AV, Timoshenko VY. Laser-Ablative Synthesis of Silicon-Iron Composite Nanoparticles for Theranostic Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2256. [PMID: 37570573 PMCID: PMC10421319 DOI: 10.3390/nano13152256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/31/2023] [Accepted: 08/02/2023] [Indexed: 08/13/2023]
Abstract
The combination of photothermal and magnetic functionalities in one biocompatible nanoformulation forms an attractive basis for developing multifunctional agents for biomedical theranostics. Here, we report the fabrication of silicon-iron (Si-Fe) composite nanoparticles (NPs) for theranostic applications by using a method of femtosecond laser ablation in acetone from a mixed target combining silicon and iron. The NPs were then transferred to water for subsequent biological use. From structural analyses, it was shown that the formed Si-Fe NPs have a spherical shape and sizes ranging from 5 to 150 nm, with the presence of two characteristic maxima around 20 nm and 90 nm in the size distribution. They are mostly composed of silicon with the presence of a significant iron silicide content and iron oxide inclusions. Our studies also show that the NPs exhibit magnetic properties due to the presence of iron ions in their composition, which makes the formation of contrast in magnetic resonance imaging (MRI) possible, as it is verified by magnetic resonance relaxometry at the proton resonance frequency. In addition, the Si-Fe NPs are characterized by strong optical absorption in the window of relative transparency of bio-tissue (650-950 nm). Benefiting from such absorption, the Si-Fe NPs provide strong photoheating in their aqueous suspensions under continuous wave laser excitation at 808 nm. The NP-induced photoheating is described by a photothermal conversion efficiency of 33-42%, which is approximately 3.0-3.3 times larger than that for pure laser-synthesized Si NPs, and it is explained by the presence of iron silicide in the NP composition. Combining the strong photothermal effect and MRI functionality, the synthesized Si-Fe NPs promise a major advancement of modalities for cancer theranostics, including MRI-guided photothermal therapy and surgery.
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Affiliation(s)
- Alexander A. Bubnov
- Institute of Engineering Physics for Biomedicine (PhysBio), National Nuclear Research University MEPhI, 115409 Moscow, Russia; (A.A.B.); (V.S.B.); (Y.V.K.); (G.V.T.); (A.A.P.); (A.Y.K.); (M.V.S.); (S.M.K.)
- Endocrinology Research Centre, Dmitry Ulyanov Street 11, 292236 Moscow, Russia
| | - Vladimir S. Belov
- Institute of Engineering Physics for Biomedicine (PhysBio), National Nuclear Research University MEPhI, 115409 Moscow, Russia; (A.A.B.); (V.S.B.); (Y.V.K.); (G.V.T.); (A.A.P.); (A.Y.K.); (M.V.S.); (S.M.K.)
| | - Yulia V. Kargina
- Institute of Engineering Physics for Biomedicine (PhysBio), National Nuclear Research University MEPhI, 115409 Moscow, Russia; (A.A.B.); (V.S.B.); (Y.V.K.); (G.V.T.); (A.A.P.); (A.Y.K.); (M.V.S.); (S.M.K.)
- Faculty of Physics, Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia
| | - Gleb V. Tikhonowski
- Institute of Engineering Physics for Biomedicine (PhysBio), National Nuclear Research University MEPhI, 115409 Moscow, Russia; (A.A.B.); (V.S.B.); (Y.V.K.); (G.V.T.); (A.A.P.); (A.Y.K.); (M.V.S.); (S.M.K.)
| | - Anton A. Popov
- Institute of Engineering Physics for Biomedicine (PhysBio), National Nuclear Research University MEPhI, 115409 Moscow, Russia; (A.A.B.); (V.S.B.); (Y.V.K.); (G.V.T.); (A.A.P.); (A.Y.K.); (M.V.S.); (S.M.K.)
| | - Alexander Yu. Kharin
- Institute of Engineering Physics for Biomedicine (PhysBio), National Nuclear Research University MEPhI, 115409 Moscow, Russia; (A.A.B.); (V.S.B.); (Y.V.K.); (G.V.T.); (A.A.P.); (A.Y.K.); (M.V.S.); (S.M.K.)
| | - Mikhail V. Shestakov
- Institute of Engineering Physics for Biomedicine (PhysBio), National Nuclear Research University MEPhI, 115409 Moscow, Russia; (A.A.B.); (V.S.B.); (Y.V.K.); (G.V.T.); (A.A.P.); (A.Y.K.); (M.V.S.); (S.M.K.)
- Moscow Timiryazev Agricultural Academy - Russian State Agrarian University, 127434 Moscow, Russia
| | - Alexander M. Perepukhov
- Moscow Institute of Physics and Technology, Dolgoprudny, 141700 Moscow Region, Russia; (A.M.P.); (A.V.S.); (V.S.V.)
| | - Alexander V. Syuy
- Moscow Institute of Physics and Technology, Dolgoprudny, 141700 Moscow Region, Russia; (A.M.P.); (A.V.S.); (V.S.V.)
| | - Valentyn S. Volkov
- Moscow Institute of Physics and Technology, Dolgoprudny, 141700 Moscow Region, Russia; (A.M.P.); (A.V.S.); (V.S.V.)
| | - Vladimir V. Khovaylo
- Department of Functional Nanosystems and High-Temperature Materials, National University of Science and Technology MISIS, Leninskiy Prospekt 4, 119049 Moscow, Russia;
| | - Sergey M. Klimentov
- Institute of Engineering Physics for Biomedicine (PhysBio), National Nuclear Research University MEPhI, 115409 Moscow, Russia; (A.A.B.); (V.S.B.); (Y.V.K.); (G.V.T.); (A.A.P.); (A.Y.K.); (M.V.S.); (S.M.K.)
| | - Andrei V. Kabashin
- LP3, Aix Marseille University, CNRS, Campus de Luminy, Case 917, 13288 Marseille, France
| | - Victor Yu. Timoshenko
- Institute of Engineering Physics for Biomedicine (PhysBio), National Nuclear Research University MEPhI, 115409 Moscow, Russia; (A.A.B.); (V.S.B.); (Y.V.K.); (G.V.T.); (A.A.P.); (A.Y.K.); (M.V.S.); (S.M.K.)
- Faculty of Physics, Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia
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Gadolinium-doped fluorescent carbon quantum dots as MRI contrast agents and fluorescent probes. Sci Rep 2022; 12:17681. [PMID: 36271121 PMCID: PMC9587221 DOI: 10.1038/s41598-022-22518-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 10/17/2022] [Indexed: 01/18/2023] Open
Abstract
In this research passivated gadolinium-doped carbon quantum dots (Gd-doped CQDs) were synthesized from starch by a hydrothermal method. The X-ray diffraction (XRD) pattern of the Gd-doped CQDs showed the formation of highly amorphous carbon. The Fourier transform infrared spectroscopy (FTIR) results suggested that the CQDs are functionalized with C-N and N-H bonds. The synthesized CQDs with a size distribution of 2-8 nm have an absorption peak at 271 nm in UV-Visible spectroscopy (UV-Vis). The photoluminescence (PL) in CQDs was dependent on the excitation wavelength. The QY of the synthesized CQDs was calculated to be 13.2%. The Gd-doped CQDs exhibited sustained PL in ionic solutions with different ionic strengths and different temperatures up to 65 °C. Fluorescence imaging on mouse C34/connective tissue-L929 cells confirmed that Gd-doped CQDs could be well distributed over the cytoplasm. The magnetic resonance imaging (MRI) showed that the Gd-doped CQDs have extremely high longitudinal and transverse relaxivity values of as high as 218.28 mM-1 s-1 and 364.68 mM-1 s-1. The synthesized Gd-doped CQDs are promising candidates as multifunctional imaging probes and MRI contrast agents in biomedical diagnosis and brain mapping applications.
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Wang Q, Zhu Y, Song B, Fu R, Zhou Y. The In Vivo Toxicity Assessments of Water-Dispersed Fluorescent Silicon Nanoparticles in Caenorhabditis elegans. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19074101. [PMID: 35409783 PMCID: PMC8998271 DOI: 10.3390/ijerph19074101] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 03/27/2022] [Accepted: 03/29/2022] [Indexed: 12/17/2022]
Abstract
Fluorescent silicon nanoparticles (SiNPs), resembling a typical zero-dimensional silicon nanomaterial, have shown great potential in a wide range of biological and biomedical applications. However, information regarding the toxicity of this material in live organisms is still very scarce. In this study, we utilized Caenorhabditis elegans (C. elegans), a simple but biologically and anatomically well-described model, as a platform to systematically investigate the in vivo toxicity of SiNPs in live organisms at the whole-animal, cellular, subcellular, and molecular levels. We calculated the effect of SiNPs on C. elegans body length (N ≥ 75), lifespan (N ≥ 30), reproductive capacity (N ≥ 10), endocytic sorting (N ≥ 20), endoplasmic reticulum (ER) stress (N ≥ 20), mitochondrial stress (N ≥ 20), oxidative stress (N ≥ 20), immune response (N ≥ 20), apoptosis (N ≥ 200), hypoxia response (N ≥ 200), metal detoxification (N ≥ 200), and aging (N ≥ 200). The studies showed that SiNPs had no significant effect on development, lifespan, or reproductive ability (p > 0.05), even when the worms were treated with a high concentration (e.g., 50 mg/mL) of SiNPs at all growth and development stages. Subcellular analysis of the SiNP-treated worms revealed that the intracellular processes of the C. elegans intestine were not disturbed by the presence of SiNPs (p > 0.05). Toxicity analyses at the molecular level also demonstrated that the SiNPs did not induce harmful or defensive cellular events, such as ER stress, mitochondria stress, or oxidative stress (p > 0.05). Together, these findings confirmed that the SiNPs are low in toxicity and biocompatible, supporting the suggestion that the material is an ideal fluorescent nanoprobe for wide-ranging biological and biomedical applications.
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Affiliation(s)
- Qin Wang
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences (IBMS), Soochow University, Suzhou 215123, China; (Q.W.); (Y.Z.); (R.F.)
| | - Yi Zhu
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences (IBMS), Soochow University, Suzhou 215123, China; (Q.W.); (Y.Z.); (R.F.)
| | - Bin Song
- Institute of Functional Nano & Soft Materials (FUNSOM) and Collaborative Innovation Center of Suzhou Nano Science and Technology, Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China;
| | - Rong Fu
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences (IBMS), Soochow University, Suzhou 215123, China; (Q.W.); (Y.Z.); (R.F.)
| | - Yanfeng Zhou
- Institute of Functional Nano & Soft Materials (FUNSOM) and Collaborative Innovation Center of Suzhou Nano Science and Technology, Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China;
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
- Correspondence:
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4
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Kauzlarich SM, Ju Z, Tseng E, Lundervold J. Recent developments in germanium containing clusters in intermetallics and nanocrystals. Chem Soc Rev 2021; 50:13236-13252. [PMID: 34726681 DOI: 10.1039/d1cs00538c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Multimetallic clusters can be described as building blocks in intermetallics, compounds prepared from all metals and/or semi-metals, and in Zintl phases, a subset of intermetallics containing metals with large differences in electronegativity. In many cases, these intermetallic and Zintl phases provide the first clue for the possibilities of bond formation between metals and semi-metals. Recent advances in multimetallic clusters found in Zintl phases and nanoparticles focusing on Ge with transition metals and semi-metals is presented. Colloidal routes to Ge nanocrystals provide an opportunity for kinetically stabilized Ge-metal and Ge-semi-metal bonding. These routes provide crystalline nanoclusters of Ge, hereafter referred to as nanocrystals, that can be structurally characterized. Compositions of Ge nanocrystals containing transition metals, and the semi-metals, Sb, Bi, and Sn, whose structures have recently been elucidated through EXAFS, will be presented along with potential applications.
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Affiliation(s)
- Susan M Kauzlarich
- Chemistry Department, One Shields Ave, University of California, Davis, CA 95616, USA.
| | - Zheng Ju
- Chemistry Department, One Shields Ave, University of California, Davis, CA 95616, USA.
| | - Emily Tseng
- Chemistry Department, One Shields Ave, University of California, Davis, CA 95616, USA.
| | - Jesse Lundervold
- Chemistry Department, One Shields Ave, University of California, Davis, CA 95616, USA.
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5
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Milliken S, Thiessen AN, Cheong IT, O'Connor KM, Li Z, Hooper RW, Robidillo CJT, Veinot JGC. "Turning the dials": controlling synthesis, structure, composition, and surface chemistry to tailor silicon nanoparticle properties. NANOSCALE 2021; 13:16379-16404. [PMID: 34492675 DOI: 10.1039/d1nr04701a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Silicon nanoparticles (SiNPs) can be challenging to prepare with defined size, crystallinity, composition, and surface chemistry. As is the case for any nanomaterial, controlling these parameters is essential if SiNPs are to realize their full potential in areas such as alternative energy generation and storage, sensors, and medical imaging. Numerous teams have explored and established innovative synthesis methods, as well as surface functionalization protocols to control these factors. Furthermore, substantial effort has been expended to understand how the abovementioned parameters influence material properties. In the present review we provide a commentary highlighting the benefits and limitations of available methods for preparing silicon nanoparticles as well as demonstrations of tailoring optical and electronic properties through definition of structure (i.e., crystalline vs. amorphous), composition and surface chemistry. Finally, we highlight potential opportunities for future SiNP studies.
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Affiliation(s)
- Sarah Milliken
- Department of Chemistry, University of Alberta, Chemistry, Edmonton, Canada.
| | | | - I Teng Cheong
- Department of Chemistry, University of Alberta, Chemistry, Edmonton, Canada.
| | - Kevin M O'Connor
- Department of Chemistry, University of Alberta, Chemistry, Edmonton, Canada.
| | - Ziqi Li
- Department of Chemistry, University of Alberta, Chemistry, Edmonton, Canada.
| | - Riley W Hooper
- Department of Chemistry, University of Alberta, Chemistry, Edmonton, Canada.
| | | | - Jonathan G C Veinot
- Department of Chemistry, University of Alberta, Chemistry, Edmonton, Canada.
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6
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Singh G, Ddungu JLZ, Licciardello N, Bergmann R, De Cola L, Stephan H. Ultrasmall silicon nanoparticles as a promising platform for multimodal imaging. Faraday Discuss 2021; 222:362-383. [PMID: 32108214 DOI: 10.1039/c9fd00091g] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Bimodal systems for nuclear and optical imaging are currently being intensively investigated due to their comparable detection sensitivity and the complementary information they provide. In this perspective, we have implemented both modalities on biocompatible ultrasmall silicon nanoparticles (Si NPs). Such nanoparticles are particularly interesting since they are highly biocompatible, have covalent surface functionalization and demonstrate very fast body clearance. We prepared monodisperse citrate-stabilized Si NPs (2.4 ± 0.5 nm) with more than 40 accessible terminal amino groups per particle and, for the first time, simultaneously, a near-infrared dye (IR800-CW) and a radiolabel (64Cu-NOTA = 1,4,7-triazacyclononane-1,4,7-triacetic acid) have been covalently linked to the surface of such Si NPs. The obtained nanomaterials have been fully characterized using HR-TEM, XPS, UV-Vis and FT-IR spectroscopy. These dual-labelled particles do not exhibit any cytotoxicity in vitro. In vivo studies employing both positron emission tomography (PET) and optical imaging (OI) techniques revealed rapid renal clearance of dual-labelled Si NPs from mice.
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Affiliation(s)
- Garima Singh
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, Dresden, D-01328, Germany.
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7
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Synthesis of Magnetic Ions-Doped QDs Synthesized Via a Facial Aqueous Solution Method for Optical/MR Dual-Modality Imaging Applications. J Fluoresc 2021; 31:897-906. [PMID: 33772679 DOI: 10.1007/s10895-021-02720-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 03/17/2021] [Indexed: 10/21/2022]
Abstract
This research reports the preparation and examination of Cadmium Telluride (CdTe) Quantum Dots and doping CdTe QDs with Europium (Eu), Gadolinium (Gd), and Manganese (Mn) prepared in aqueous solution using TGA as a capping agent. Magnetic QDs (MQDs) are important agents for fluorescence (FL) /magnetic resonance (MR) dual-modal imaging due to their excellent optical and magnetic properties. Herein, the chemical bonds, structural, fluorescence, and magnetized properties of CdTe QDs and effect of Mn, Eu, and Gd ions doping on their properties were examined by X-ray powder diffraction (XRD), high-resolution transmission electron microscopy (HRTM), Energy-dispersive X-ray spectroscopy (EDX), Fourier-transform infrared spectroscopy (FTIR), photoluminescence spectroscopy (PL), Ultraviolet-visible spectroscopy (UV-Vis), and vibrating sample magnetometer measurements (VSM). Almost similar X-Ray patterns with the absence/presence of ions for all samples with cubic crystal structures were obtained which indicated that the introduction of ions into CdTe QDs could not alter the cubic primary structure of CdTe. Monodisperse size distributed with seemingly-spherical shapes, and also, the estimated mean diameters about 3 and less than 3 nm of QDs were obtained. The effect of X ions injection on the fluorescence and UV-Vis properties of the QDs were also investigated. Optical studies showed the decreases in bandgap as the heating time increases during synthesis while undergoing red-shift. The CdTe nanocrystals with high PL quantum yields were achieved in more than 6 h of heating. Also, investigations have shown the quenching of fluorescence by the existence of ions in the CdTe QDs. Then, all the ions doped QDs exhibited ferromagnetic behavior at room temperature by a vibrating sample magnetometer which confirmed the success of the presentation of ions into CdTe cubic crystal structure. They can have been employed as a suitable contrast agent successfully for biological applications such as FL/MR dual-modal imaging.
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Sharonova NV, Svirshchevskaya EV, Popov AA, Karpov NV, Tikhonovskiy GV, Zakharkiv AY, Sizova SV, Timoshenko VY, Klimentov SM, Oleinikov VA. Interaction of SiFe Nanoparticles with Epithelial and Lymphoid Cells. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2020. [DOI: 10.1134/s106816202006028x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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Marcelo GA, Lodeiro C, Capelo JL, Lorenzo J, Oliveira E. Magnetic, fluorescent and hybrid nanoparticles: From synthesis to application in biosystems. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 106:110104. [DOI: 10.1016/j.msec.2019.110104] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 08/17/2019] [Accepted: 08/19/2019] [Indexed: 12/19/2022]
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10
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Canham L. Introductory lecture: origins and applications of efficient visible photoluminescence from silicon-based nanostructures. Faraday Discuss 2020; 222:10-81. [DOI: 10.1039/d0fd00018c] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This review highlights many spectroscopy-based studies and selected phenomenological studies of silicon-based nanostructures that provide insight into their likely PL mechanisms, and also covers six application areas.
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Affiliation(s)
- Leigh Canham
- School of Physics and Astronomy
- University of Birmingham
- Birmingham
- UK
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11
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Beekman M, Kauzlarich SM, Doherty L, Nolas GS. Zintl Phases as Reactive Precursors for Synthesis of Novel Silicon and Germanium-Based Materials. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E1139. [PMID: 30965603 PMCID: PMC6479709 DOI: 10.3390/ma12071139] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 03/24/2019] [Accepted: 03/27/2019] [Indexed: 01/15/2023]
Abstract
Recent experimental and theoretical work has demonstrated significant potential to tune the properties of silicon and germanium by adjusting the mesostructure, nanostructure, and/or crystalline structure of these group 14 elements. Despite the promise to achieve enhanced functionality with these already technologically important elements, a significant challenge lies in the identification of effective synthetic approaches that can access metastable silicon and germanium-based extended solids with a particular crystal structure or specific nano/meso-structured features. In this context, the class of intermetallic compounds known as Zintl phases has provided a platform for discovery of novel silicon and germanium-based materials. This review highlights some of the ways in which silicon and germanium-based Zintl phases have been utilized as precursors in innovative approaches to synthesize new crystalline modifications, nanoparticles, nanosheets, and mesostructured and nanoporous extended solids with properties that can be very different from the ground states of the elements.
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Affiliation(s)
- Matt Beekman
- Department of Physics, California Polytechnic State University, San Luis Obispo, CA 93407, USA.
| | - Susan M Kauzlarich
- Department of Chemistry, University of California, Davis, CA 95616, USA.
| | - Luke Doherty
- Department of Physics, California Polytechnic State University, San Luis Obispo, CA 93407, USA.
- Department of Materials Engineering, California Polytechnic State University, San Luis Obispo, CA 93407, USA.
| | - George S Nolas
- Department of Physics, University of South Florida, Tampa, FL 33620, USA.
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APTES-Terminated ultrasmall and iron-doped silicon nanoparticles as X-Ray dose enhancer for radiation therapy. Biochem Biophys Res Commun 2018; 498:855-861. [DOI: 10.1016/j.bbrc.2018.03.070] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 03/09/2018] [Indexed: 11/23/2022]
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13
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Song B, Wang H, Zhong Y, Chu B, Su Y, He Y. Fluorescent and magnetic anti-counterfeiting realized by biocompatible multifunctional silicon nanoshuttle-based security ink. NANOSCALE 2018; 10:1617-1621. [PMID: 29327009 DOI: 10.1039/c7nr06337g] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Herein, we present the first example of a silicon nanoshuttle-based security ink simultaneously featuring attractive optical and magnetic properties, suitable for fluorescent and magnetic anti-counterfeiting and encryption. Significantly, the information can be dual-encrypted through multi-color fluorescence and longitudinal (T1)/transverse (T2) relaxation contrast by using the silicon nanoshuttle-based security ink. We further demonstrate the feasibility of this high-performance ink for practical application in banknote anti-counterfeiting.
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Affiliation(s)
- Bin Song
- Laboratory of Nanoscale Biochemical Analysis, Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano & Soft Materials (FUNSOM), and Collaborative Innovation Center of Suzhou Nano Science and Technology (NANO-CIC), Soochow University, Suzhou, Jiangsu 215123, China.
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14
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Li S, Wang F, He XW, Li WY, Zhang YK. One-pot hydrothermal preparation of gadolinium-doped silicon nanoparticles as a dual-modal probe for multicolor fluorescence and magnetic resonance imaging. J Mater Chem B 2018; 6:3358-3365. [DOI: 10.1039/c8tb00415c] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
One-pot hydrothermal preparation of gadolinium-doped silicon nanoparticles as a dual-modal probe for multicolor fluorescence and magnetic resonance imaging.
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Affiliation(s)
- Si Li
- College of Chemistry
- Research Center for Analytical Sciences
- State Key Laboratory of Medicinal Chemical Biology
- Tianjin Key Laboratory of Biosensing and Molecular Recognition
- Nankai University
| | - Feng Wang
- The State Key Laboratory of Medicinal Chemical Biology
- College of Life Sciences
- Nankai University
- Tianjin 300071
- China
| | - Xi-Wen He
- College of Chemistry
- Research Center for Analytical Sciences
- State Key Laboratory of Medicinal Chemical Biology
- Tianjin Key Laboratory of Biosensing and Molecular Recognition
- Nankai University
| | - Wen-You Li
- College of Chemistry
- Research Center for Analytical Sciences
- State Key Laboratory of Medicinal Chemical Biology
- Tianjin Key Laboratory of Biosensing and Molecular Recognition
- Nankai University
| | - Yu-Kui Zhang
- College of Chemistry
- Research Center for Analytical Sciences
- State Key Laboratory of Medicinal Chemical Biology
- Tianjin Key Laboratory of Biosensing and Molecular Recognition
- Nankai University
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15
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Ma X, Hartmann R, Jimenez de Aberasturi D, Yang F, Soenen SJH, Manshian BB, Franz J, Valdeperez D, Pelaz B, Feliu N, Hampp N, Riethmüller C, Vieker H, Frese N, Gölzhäuser A, Simonich M, Tanguay RL, Liang XJ, Parak WJ. Colloidal Gold Nanoparticles Induce Changes in Cellular and Subcellular Morphology. ACS NANO 2017; 11:7807-7820. [PMID: 28640995 DOI: 10.1021/acsnano.7b01760] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Exposure of cells to colloidal nanoparticles (NPs) can have concentration-dependent harmful effects. Mostly, such effects are monitored with biochemical assays or probes from molecular biology, i.e., viability assays, gene expression profiles, etc., neglecting that the presence of NPs can also drastically affect cellular morphology. In the case of polymer-coated Au NPs, we demonstrate that upon NP internalization, cells undergo lysosomal swelling, alterations in mitochondrial morphology, disturbances in actin and tubulin cytoskeleton and associated signaling, and reduction of focal adhesion contact area and number of filopodia. Appropriate imaging and data treatment techniques allow for quantitative analyses of these concentration-dependent changes. Abnormalities in morphology occur at similar (or even lower) NP concentrations as the onset of reduced cellular viability. Cellular morphology is thus an important quantitative indicator to verify harmful effects of NPs to cells, without requiring biochemical assays, but relying on appropriate staining and imaging techniques.
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Affiliation(s)
- Xiaowei Ma
- Chinese Academy of Sciences (CAS) Key Laboratory for Biological Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology , Beijing 100190, China
| | | | | | | | - Stefaan J H Soenen
- Biomedical MRI Unit/MoSAIC, Catholic University of Leuven , 3000 Leuven, Belgium
| | - Bella B Manshian
- Biomedical MRI Unit/MoSAIC, Catholic University of Leuven , 3000 Leuven, Belgium
| | - Jonas Franz
- nAnostic Institute, Center for Nanotechnology, University of Münster , 48149 Münster, Germany
| | | | | | - Neus Feliu
- Department of Laboratory Medicine (LABMED), Karolinska Institutet , SE-17177 Stockholm, Sweden
- Medcom Advance S.A. , 08840 Barcelona, Spain
| | | | | | - Henning Vieker
- Fakultät für Physik, Universität Bielefeld , 33615 Bielefeld, Germany
| | - Natalie Frese
- Fakultät für Physik, Universität Bielefeld , 33615 Bielefeld, Germany
| | - Armin Gölzhäuser
- Fakultät für Physik, Universität Bielefeld , 33615 Bielefeld, Germany
| | - Michael Simonich
- Sinnhuber Aquatic Research Laboratory (SARL), Oregon State University , Corvallis, Oregon 97331, United States
| | - Robert L Tanguay
- Sinnhuber Aquatic Research Laboratory (SARL), Oregon State University , Corvallis, Oregon 97331, United States
| | - Xing-Jie Liang
- Chinese Academy of Sciences (CAS) Key Laboratory for Biological Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology , Beijing 100190, China
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16
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Kwiatkowski G, Jähnig F, Steinhauser J, Wespi P, Ernst M, Kozerke S. Nanometer size silicon particles for hyperpolarized MRI. Sci Rep 2017; 7:7946. [PMID: 28801662 PMCID: PMC5554256 DOI: 10.1038/s41598-017-08709-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 07/17/2017] [Indexed: 11/09/2022] Open
Abstract
Hyperpolarized silicon particles have been shown to exhibit long spin-lattice relaxation times at room temperature, making them interesting as novel MRI probes. Demonstrations of hyperpolarized silicon particle imaging have focused on large micron size particles (average particle size (APS) = 2.2 μm) as they have, to date, demonstrated much larger polarizations than nanoparticles. We show that also much smaller silicon-29 particles (APS = 55 ± 12 nm) can be hyperpolarized with superior properties. A maximum polarization of 12.6% in the solid state is reported with a spin-lattice relaxation time of 42 min at room temperature thereby opening a new window for MRI applications.
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Affiliation(s)
- Grzegorz Kwiatkowski
- Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland
| | - Fabian Jähnig
- Laboratory of Physical Chemistry, ETH Zurich, Zurich, Switzerland
| | - Jonas Steinhauser
- Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland
| | - Patrick Wespi
- Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland
| | - Matthias Ernst
- Laboratory of Physical Chemistry, ETH Zurich, Zurich, Switzerland
| | - Sebastian Kozerke
- Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland.
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17
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Hsu CW, Septiadi D, Lai CH, Chen P, Seeberger PH, De Cola L. Glucose-Modified Silicon Nanoparticles for Cellular Imaging. Chempluschem 2017; 82:660-667. [PMID: 31961576 DOI: 10.1002/cplu.201700054] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Revised: 03/29/2017] [Indexed: 11/12/2022]
Abstract
Luminescent silicon nanoparticles have recently attracted attention due to their remarkable stability, covalent functionalisation and tunable photoemission properties. Owing to their biocompatibility, low toxicity, and the small particle size that can be achieved by different synthetic approaches, these nanomaterials are candidates as cellular probes in the field of bioimaging, and potentially for in vivo applications. Tailoring the surface of the particles with active biomolecules such as sugar moieties can be an interesting strategy to increase the kinetics of internalisation or to vary the localisation of nanosystems in living cells. In this study, we synthesised and modified ultrasmall silicon nanoparticles with glucose covalently linked on their surface. Moreover, by varying the ratio between the amount of silicon nanoparticles and the saccharide groups, the amount of glucose, as a capping moiety, can be well controlled. FTIR spectroscopy, NMR spectroscopy, zeta potential measurements and anisotropy decay analysis confirmed the covalent binding of glucose to the nanoparticles. The photophysical behaviour of the surface-functionalised silicon quantum dots was not significantly different to that of the unmodified nanoparticles. In vitro studies demonstrated faster internalisation of the glucose-functionalised nanoparticles into HeLa cells. Different localisation and uptake kinetics of the glucose-modified particles compared to the unmodified particles are discussed in order to reveal the role played by the sugar molecules.
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Affiliation(s)
- Chien-Wei Hsu
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), Université de Strasbourg & CNRS UMR 7006, 8 allée Gaspard Monge, 67083, Strasbourg, France.,Institut für Nanotechnologie (INT), Karlsruher Institut für Technologie (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Dedy Septiadi
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), Université de Strasbourg & CNRS UMR 7006, 8 allée Gaspard Monge, 67083, Strasbourg, France
| | - Chian-Hui Lai
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476, Potsdam-Golm, Germany
| | - Pengkun Chen
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), Université de Strasbourg & CNRS UMR 7006, 8 allée Gaspard Monge, 67083, Strasbourg, France
| | - Peter H Seeberger
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476, Potsdam-Golm, Germany
| | - Luisa De Cola
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), Université de Strasbourg & CNRS UMR 7006, 8 allée Gaspard Monge, 67083, Strasbourg, France.,Institut für Nanotechnologie (INT), Karlsruher Institut für Technologie (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
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18
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Heckert B, Banerjee T, Sulthana S, Naz S, Alnasser R, Thompson D, Normand G, Grimm J, Perez JM, Santra S. Design and Synthesis of New Sulfur-Containing Hyperbranched Polymer and Theranostic Nanomaterials for Bimodal Imaging and Treatment of Cancer. ACS Macro Lett 2017; 6:235-240. [PMID: 29104818 DOI: 10.1021/acsmacrolett.7b00008] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
In this study, we have synthesized a new hyperbranched polyester polymer containing sulfur-pendants (HBPE-S) in the branching points. This HBPE-S polymer is composed of spherical shaped, aliphatic three-dimensional architecture with carboxylic acid groups on the surface. The presence of sulfur pendants in the polymeric cavities demonstrated important role in the effective encapsulation of Bi-DOTA complexes ([Bi] = 5.21 μM), when compared to the previously reported polymer without sulfur pendants (HBPE, [Bi] = 1.07 x 10-3 μM). Higher X-ray blocking capability and excellent X-ray contrast images were obtained from Bi-DOTA encapsulating HBPE-S polymeric nanoparticles when compared with that of HBPE nanoparticles. In addition, the HBPE-S polymer's spherical structure with amphiphilic cavities allow for the successful encapsulation of anti-tumor drugs and optical dyes, indicating suitable for delivery of wide-range of theranostic agents for cancer diagnosis and treatment. Therapeutic drug taxol encapsulating, folic acid decorated HBPE-S-Fol nanoparticles showed more than 80% of lung carcinoma cell death within 24 h of incubation. Cell viability and microscopic experiments also confirmed for the targeted delivery, thereby minimizing toxicity to healthy tissues. Taken together, new HBPE-S polymer and multimodal theranostic nanoplatforms were synthesized with enhanced X-ray blocking capability for the effective cancer targeting and treatment monitoring.
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Affiliation(s)
- Blaze Heckert
- Department
of Chemistry, Pittsburg State University, 1701 South Broadway Street, Pittsburg, Kansas 66762, United States
| | - Tuhina Banerjee
- Department
of Chemistry, Pittsburg State University, 1701 South Broadway Street, Pittsburg, Kansas 66762, United States
| | - Shoukath Sulthana
- Department
of Chemistry, Pittsburg State University, 1701 South Broadway Street, Pittsburg, Kansas 66762, United States
| | - Shuguftha Naz
- Department
of Chemistry, Pittsburg State University, 1701 South Broadway Street, Pittsburg, Kansas 66762, United States
| | - Riyadh Alnasser
- Department
of Chemistry, Pittsburg State University, 1701 South Broadway Street, Pittsburg, Kansas 66762, United States
| | - Deaven Thompson
- Department
of Chemistry, Pittsburg State University, 1701 South Broadway Street, Pittsburg, Kansas 66762, United States
| | - Guillaume Normand
- Department
of Radiology and Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States
| | - Jan Grimm
- Department
of Radiology and Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, United States
- Pharmacology
Program and Department of Radiology, Weil Cornell Medical College, 1300 York Avenue, New York, New York 10065, United States
| | - J. Manuel Perez
- Nanoscience
Technology Center, University of Central Florida, Orlando, Florida 32826, United States
| | - Santimukul Santra
- Department
of Chemistry, Pittsburg State University, 1701 South Broadway Street, Pittsburg, Kansas 66762, United States
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19
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Atkins T, Walton JH, Singh MP, Ganguly S, Janka O, Louie AY, Kauzlarich SM. EPR and Structural Characterization of Water-Soluble Mn 2+-Doped Si Nanoparticles. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2017; 121:1948-1956. [PMID: 28154618 PMCID: PMC5278496 DOI: 10.1021/acs.jpcc.6b11000] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 12/22/2016] [Indexed: 06/06/2023]
Abstract
Water-soluble poly(allylamine) Mn2+-doped Si (SiMn) nanoparticles (NPs) were prepared and show promise for biologically related applications. The nanoparticles show both strong photoluminescence and good magnetic resonance contrast imaging. The morphology and average diameter were obtained through transmission electron microscopy (TEM) and high-resolution transmission electron microscopy (HRTEM); spherical crystalline Si NPs with an average diameter of 4.2 ± 0.7 nm were observed. The doping maximum obtained through this process was an average concentration of 0.4 ± 0.3% Mn per mole of Si. The water-soluble SiMn NPs showed a strong photoluminescence with a quantum yield up to 13%. The SiMn NPs had significant T1 contrast with an r1 relaxivity of 11.1 ± 1.5 mM-1 s-1 and r2 relaxivity of 32.7 ± 4.7 mM-1 s-1 where the concentration is in mM of Mn2+. Dextran-coated poly(allylamine) SiMn NPs produced NPs with T1 and T2 contrast with a r1 relaxivity of 27.1 ± 2.8 mM-1 s-1 and r2 relaxivity of 1078.5 ± 1.9 mM-1 s-1. X-band electron paramagnetic resonance spectra are fit with a two-site model demonstrating that there are two types of Mn2+ in these NP's. The fits yield hyperfine splittings (A) of 265 and 238 MHz with significant zero field splitting (D and E terms). This is consistent with Mn in sites of symmetry lower than tetrahedral due to the small size of the NP's.
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Affiliation(s)
- Tonya
M. Atkins
- Department
of Chemistry, NMR Facility and Biomedical Engineering Graduate
Group, and Department of Biomedical Engineering, University
of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Jeffrey H. Walton
- Department
of Chemistry, NMR Facility and Biomedical Engineering Graduate
Group, and Department of Biomedical Engineering, University
of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Mani P. Singh
- Department
of Chemistry, NMR Facility and Biomedical Engineering Graduate
Group, and Department of Biomedical Engineering, University
of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Shreyashi Ganguly
- Department
of Chemistry, NMR Facility and Biomedical Engineering Graduate
Group, and Department of Biomedical Engineering, University
of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Oliver Janka
- Department
of Chemistry, NMR Facility and Biomedical Engineering Graduate
Group, and Department of Biomedical Engineering, University
of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Angelique Y. Louie
- Department
of Chemistry, NMR Facility and Biomedical Engineering Graduate
Group, and Department of Biomedical Engineering, University
of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Susan M. Kauzlarich
- Department
of Chemistry, NMR Facility and Biomedical Engineering Graduate
Group, and Department of Biomedical Engineering, University
of California, Davis, One Shields Avenue, Davis, California 95616, United States
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20
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McVey BFP, Prabakar S, Gooding JJ, Tilley RD. Solution Synthesis, Surface Passivation, Optical Properties, Biomedical Applications, and Cytotoxicity of Silicon and Germanium Nanocrystals. Chempluschem 2016; 82:60-73. [DOI: 10.1002/cplu.201600207] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Benjamin F. P. McVey
- School of Chemistry and Electron Microscopy Unit; of the Mark Wainwright Analytical Centre; University of New South Wales; Sydney NSW 2052 Australia
| | - Sujay Prabakar
- Leather&Shoe Research Association of New Zealand; and the MacDiarmid Institute for Advanced Materials and Nanotechnology; Palmerston North 4446 New Zealand
| | - Justin J. Gooding
- School of Chemistry and Electron Microscopy Unit; of the Mark Wainwright Analytical Centre; University of New South Wales; Sydney NSW 2052 Australia
- Australian Centre for Nanomedicine; University of New South Wales; Sydney NSW 2052 Australia
| | - Richard D. Tilley
- School of Chemistry and Electron Microscopy Unit; of the Mark Wainwright Analytical Centre; University of New South Wales; Sydney NSW 2052 Australia
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21
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Zarschler K, Rocks L, Licciardello N, Boselli L, Polo E, Garcia KP, De Cola L, Stephan H, Dawson KA. Ultrasmall inorganic nanoparticles: State-of-the-art and perspectives for biomedical applications. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2016; 12:1663-701. [PMID: 27013135 DOI: 10.1016/j.nano.2016.02.019] [Citation(s) in RCA: 176] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Revised: 02/08/2016] [Accepted: 02/15/2016] [Indexed: 12/31/2022]
Abstract
Ultrasmall nanoparticulate materials with core sizes in the 1-3nm range bridge the gap between single molecules and classical, larger-sized nanomaterials, not only in terms of spatial dimension, but also as regards physicochemical and pharmacokinetic properties. Due to these unique properties, ultrasmall nanoparticles appear to be promising materials for nanomedicinal applications. This review overviews the different synthetic methods of inorganic ultrasmall nanoparticles as well as their properties, characterization, surface modification and toxicity. We moreover summarize the current state of knowledge regarding pharmacokinetics, biodistribution and targeting of nanoscale materials. Aside from addressing the issue of biomolecular corona formation and elaborating on the interactions of ultrasmall nanoparticles with individual cells, we discuss the potential diagnostic, therapeutic and theranostic applications of ultrasmall nanoparticles in the emerging field of nanomedicine in the final part of this review.
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Affiliation(s)
- Kristof Zarschler
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden - Rossendorf, Bautzner Landstraße 400, Dresden, Germany.
| | - Louise Rocks
- Centre For BioNano Interactions (CBNI), School of Chemistry and Chemical Biology, University College Dublin, Belfield, Dublin 4, Ireland
| | - Nadia Licciardello
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden - Rossendorf, Bautzner Landstraße 400, Dresden, Germany; Laboratoire de Chimie et des Biomatériaux Supramoléculaires, Institut de Science et d'Ingénierie Supramoléculaires (ISIS), 8 allée Gaspard Monge, Strasbourg, France; Institut für Nanotechnologie (INT), Karlsruher Institut für Technologie (KIT) Campus North, Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen, Germany
| | - Luca Boselli
- Centre For BioNano Interactions (CBNI), School of Chemistry and Chemical Biology, University College Dublin, Belfield, Dublin 4, Ireland
| | - Ester Polo
- Centre For BioNano Interactions (CBNI), School of Chemistry and Chemical Biology, University College Dublin, Belfield, Dublin 4, Ireland
| | - Karina Pombo Garcia
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden - Rossendorf, Bautzner Landstraße 400, Dresden, Germany
| | - Luisa De Cola
- Laboratoire de Chimie et des Biomatériaux Supramoléculaires, Institut de Science et d'Ingénierie Supramoléculaires (ISIS), 8 allée Gaspard Monge, Strasbourg, France; Institut für Nanotechnologie (INT), Karlsruher Institut für Technologie (KIT) Campus North, Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen, Germany
| | - Holger Stephan
- Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden - Rossendorf, Bautzner Landstraße 400, Dresden, Germany
| | - Kenneth A Dawson
- Centre For BioNano Interactions (CBNI), School of Chemistry and Chemical Biology, University College Dublin, Belfield, Dublin 4, Ireland
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22
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Demillo VG, Zhu X. Zwitterionic amphiphile coated magnetofluorescent nanoparticles - synthesis, characterization and tumor cell targeting. J Mater Chem B 2015; 3:8328-8336. [PMID: 26509038 PMCID: PMC4618671 DOI: 10.1039/c5tb01116g] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Magnetofluorescent nanoparticles (MFNPs) have recently attracted significant research interests due to their potential applications in biological manipulation and imaging. In this work, through a simple and fast self-assembling process, we first report the preparation of zwitterionic MFNPs (ZW-MFNPs) in the form of micelles using our newly synthesized zwitterionic amphiphiles, CuInS2/ZnS quantum dots, and MnFe2O4 magnetic nanoparticles. ZW-MFNPs integrate both MnFe2O4 magnetic nanoparticles and CuInS2/ZnS quantum dots in their hydrophobic cores and zwitterionic groups such as carboxybetaine and sulfobetaine on their hydrophilic shells. ZW-MFNPs possess dual imaging properties, high (Mn + Fe) recovery, excellent stability in aqueous solutions with a wide pH/ionic-strength range and physiological media, minimal cytotoxicity, and specific targeting to brain tumor cells after bioconjugation with chlorotoxin. The unique characteristics of ZW-MFNPs may open an avenue for these particles to be employed in broad biomedical applications.
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Affiliation(s)
- Violeta G. Demillo
- Department of Electrical and Biomedical Engineering, University of Nevada, Reno, NV, USA
- Biomedical Engineering Program, University of Nevada, Reno, NV, USA
| | - Xiaoshan Zhu
- Department of Electrical and Biomedical Engineering, University of Nevada, Reno, NV, USA
- Biomedical Engineering Program, University of Nevada, Reno, NV, USA
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23
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McVey BFP, Butkus J, Halpert JE, Hodgkiss JM, Tilley RD. Solution Synthesis and Optical Properties of Transition-Metal-Doped Silicon Nanocrystals. J Phys Chem Lett 2015; 6:1573-1576. [PMID: 26263316 DOI: 10.1021/acs.jpclett.5b00589] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A new synthetic method was developed to produce a range of transition-metal (Mn, Ni, and Cu) doped silicon nanocrystals (Si NCs). The synthesis produces monodisperse undoped and doped Si NCs with comparable average sizes as shown by transmission electron microscopy (TEM). Dopant composition was confirmed by EDX (energy dispersive X-ray spectroscopy). The optical properties of undoped and doped were compared and contrasted using absorption (steady-state and transient) and photoluminescence spectroscopy. Doped Si NCs demonstrated unique dopant-dependent optical properties compared to undoped Si NCs such as enhanced subgap absorption, and 40 nm shifts in the emission. Transient absorption (TA) measurements showed that photoexcitations in doped Si NCs relaxed via dopant states not present in undoped Si NCs.
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Affiliation(s)
- Benjamin F P McVey
- †School of Chemical and Physical Sciences and the MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, Wellington 6012, New Zealand
- ‡School of Chemistry and Electron Microscopy Unit of the Mark Wainwright Analytical Centre, University of New South Wales Sydney, Chemical Sciences Building Kensington, Sydney, New South Wales 2052, Australia
| | - Justinas Butkus
- †School of Chemical and Physical Sciences and the MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, Wellington 6012, New Zealand
| | - Jonathan E Halpert
- †School of Chemical and Physical Sciences and the MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, Wellington 6012, New Zealand
| | - Justin M Hodgkiss
- †School of Chemical and Physical Sciences and the MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, Wellington 6012, New Zealand
| | - Richard D Tilley
- †School of Chemical and Physical Sciences and the MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, Wellington 6012, New Zealand
- ‡School of Chemistry and Electron Microscopy Unit of the Mark Wainwright Analytical Centre, University of New South Wales Sydney, Chemical Sciences Building Kensington, Sydney, New South Wales 2052, Australia
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24
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Zhang X, Chen X, Kai S, Wang HY, Yang J, Wu FG, Chen Z. Highly Sensitive and Selective Detection of Dopamine Using One-Pot Synthesized Highly Photoluminescent Silicon Nanoparticles. Anal Chem 2015; 87:3360-5. [DOI: 10.1021/ac504520g] [Citation(s) in RCA: 206] [Impact Index Per Article: 22.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Xiaodong Zhang
- State Key Laboratory
of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Xiaokai Chen
- State Key Laboratory
of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Siqi Kai
- State Key Laboratory
of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Hong-Yin Wang
- State Key Laboratory
of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Jingjing Yang
- State Key Laboratory
of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
- School of Chemistry
and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Fu-Gen Wu
- State Key Laboratory
of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Zhan Chen
- Department
of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
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25
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Montalti M, Cantelli A, Battistelli G. Nanodiamonds and silicon quantum dots: ultrastable and biocompatible luminescent nanoprobes for long-term bioimaging. Chem Soc Rev 2015; 44:4853-921. [DOI: 10.1039/c4cs00486h] [Citation(s) in RCA: 197] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Ultra-stability and low-toxicity of silicon quantum dots and fluorescent nanodiamonds for long-termin vitroandin vivobioimaging are demonstrated.
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Affiliation(s)
- M. Montalti
- Department of Chemistry “G. Ciamician”
- University of Bologna
- Bologna
- Italy
| | - A. Cantelli
- Department of Chemistry “G. Ciamician”
- University of Bologna
- Bologna
- Italy
| | - G. Battistelli
- Department of Chemistry “G. Ciamician”
- University of Bologna
- Bologna
- Italy
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26
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McVey BFP, Tilley RD. Solution synthesis, optical properties, and bioimaging applications of silicon nanocrystals. Acc Chem Res 2014; 47:3045-51. [PMID: 25252604 DOI: 10.1021/ar500215v] [Citation(s) in RCA: 170] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Understanding and unlocking the potential of semiconductor nanocrystals (NCs) is important for future applications ranging from biomedical imaging contrast agents to the next generation of solar cells and LEDs. Silicon NCs (Si NCs) have key advantages compared with other semiconductor NCs due to silicon's high natural abundance, low toxicity and strong biocompatibility, and unique size, and surface dependent optical properties. In this Account, we review and discuss the synthesis, surface modification, purification, optical properties, and applications of Si NCs. The synthetic methods used to make Si NCs have improved considerably in the last 5-10 years; highly monodisperse Si NCs can now be produced on the near gram scale. Scaled-up syntheses have allowed scientists to drive further toward the commercial utilization of Si NCs. The synthesis of doped Si NCs, through addition of a simple elemental precursor to a reaction mixture or by the production of a single source precursor, has shown great promise. Doped Si NCs have demonstrated unique or enhanced properties compared with pure Si NCs, for example, magnetism due to the presence of magnetic metals like Fe and Mn. Surface reactions have reached a new level of sophistication where organic (epoxidation and diol formation) and click (thiol based) chemical reactions can be carried out on attached surface molecules. This has led to a wide range of biocompatible functional groups as well as a degree of emission tuneability. The purification of Si NCs has been improved through the use of size separation columns and size selective precipitation. These purification approaches have yielded highly monodisperse and pure Si NCs previously unachieved. This has allowed scientists to study the size and surface dependent properties and toxicity and enabled the use of Si NCs in biomedical applications. The optical properties of Si NCs are complex. Using a combination of characterization techniques, researchers have explored the relation between the optical properties and the size, surface functionalization, and preparation method. This work has led to a greater fundamental understanding of the unique optical properties of Si NCs. Si NCs are being studied for a wide range of important applications, including LEDS with tunable electroluminescence ranging from NIR to yellow, the encapsulation of Si NCs within micelles terminated with proteins to allow targeted in vivo imaging of cells, Si NC-polymer hybrid solar cells, and the use of Si NCs in battery anodes with high theoretical capacity and good charge retention.
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Affiliation(s)
- Benjamin F. P. McVey
- School of Chemical and Physical
Sciences and the MacDiarmid Institute for
Advanced Materials and Nanotechnology, Victoria University of Wellington, Wellington 6012, New Zealand
| | - Richard D. Tilley
- School of Chemical and Physical
Sciences and the MacDiarmid Institute for
Advanced Materials and Nanotechnology, Victoria University of Wellington, Wellington 6012, New Zealand
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27
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Li Z, Sun Q, Zhu Y, Tan B, Xu ZP, Dou SX. Ultra-small fluorescent inorganic nanoparticles for bioimaging. J Mater Chem B 2014; 2:2793-2818. [DOI: 10.1039/c3tb21760d] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The recent advances of ultra-small fluorescence inorganic nanoparticles including quantum dots, metal nanoclusters, carbon and graphene dots, up-conversion nanocrystals, and silicon nanoparticles have been comprehensively reviewed.
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Affiliation(s)
- Zhen Li
- Institute of Superconducting and Electronic Materials
- The University of Wollongong
- NSW 2500, Australia
| | - Qiao Sun
- Australian Institute for Bioengineering and Nanotechnology
- The University of Queensland
- Queensland 4072, Australia
| | - Yian Zhu
- Australian Institute for Bioengineering and Nanotechnology
- The University of Queensland
- Queensland 4072, Australia
| | - Bien Tan
- School of Chemistry and Chemical Engineering
- Huazhong University of Science and Technology
- Wuhan, China
| | - Zhi Ping Xu
- Australian Institute for Bioengineering and Nanotechnology
- The University of Queensland
- Queensland 4072, Australia
| | - Shi Xue Dou
- Institute of Superconducting and Electronic Materials
- The University of Wollongong
- NSW 2500, Australia
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28
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Abstract
Nuclear imaging techniques that include positron emission tomography (PET) and single-photon computed tomography have found great success in the clinic because of their inherent high sensitivity. Radionuclide imaging is the most popular form of imaging to be used for molecular imaging in oncology. While many types of molecules have been used for radionuclide-based molecular imaging, there has been a great interest in developing newer nanomaterials for use in clinic, especially for cancer diagnosis and treatment. Nanomaterials have unique physical properties which allow them to be used as imaging probes to locate and identify cancerous lesions. Over the past decade, a great number of nanoparticles have been developed for radionuclide imaging of cancer. This chapter reviews the different kinds of nanomaterials, both organic and inorganic, which are currently being researched for as potential agents for nuclear imaging of variety of cancers. Several radiolabeled multifunctional nanocarriers have been extremely successful for the detection of cancer in preclinical models. So far, significant progress has been achieved in nanoparticle structure design, in vitro/in vivo trafficking, and in vivo fate mapping by using PET. There is a great need for the development of newer nanoparticles, which improve active targeting and quantify new biomarkers for early disease detection and possible prevention of cancer.
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Shirahata N, Hirakawa D, Masuda Y, Sakka Y. Size-dependent color tuning of efficiently luminescent germanium nanoparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:7401-7410. [PMID: 23057603 DOI: 10.1021/la303482s] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
It is revealed that rigorous control of the size and surface of germanium nanoparticles allows fine color tuning of efficient fluorescence emission in the visible region. The spectral line widths of each emission were very narrow (<500 meV). Furthermore, the absolute fluorescence quantum yields of each emission were estimated to be 4-15%, which are high enough to be used as fluorescent labeling tags. In this study, a violet-light-emitting nanoparticle is demonstrated to be a new family of luminescent Ge. Such superior properties of fluorescence were observed from the fractions separated from one mother Ge nanoparticle sample by the fluorescent color using our developed combinatorial column technique. It is commonly believed that a broad spectral line width frequently observed from Ge nanoparticle appears because of an indirect band gap nature inherited even in nanostructures, but the present study argues that such a broad luminescence spectrum is expressed as an ensemble of different spectral lines and can be separated into the fractions emitting light in each wavelength region by the appropriate postsynthesis process.
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Affiliation(s)
- Naoto Shirahata
- International Center for Materials Nanoarchitectonics (WPI-MANA), Tsukuba, Ibaraki, Japan.
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Yan B, Jeong Y, Mercante LA, Tonga GY, Kim C, Zhu ZJ, Vachet RW, Rotello VM. Characterization of surface ligands on functionalized magnetic nanoparticles using laser desorption/ionization mass spectrometry (LDI-MS). NANOSCALE 2013; 5:5063-5066. [PMID: 23640282 DOI: 10.1039/c3nr01384g] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Functionalized magnetic nanoparticles (MNPs) have been characterized by laser desorption/ionization mass spectrometry (LDI-MS). Quantitative information about surface ligand composition and structure for monolayer and mixed monolayer protected Fe3O4 and FePt NPs can be obtained rapidly with very little sample consumption.
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Affiliation(s)
- Bo Yan
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant St, Amherst, Massachusetts, USA
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31
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Wang Z, Liu S, Ma J, Qu G, Wang X, Yu S, He J, Liu J, Xia T, Jiang GB. Silver nanoparticles induced RNA polymerase-silver binding and RNA transcription inhibition in erythroid progenitor cells. ACS NANO 2013; 7:4171-86. [PMID: 23570347 DOI: 10.1021/nn400594s] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Due to its antimicrobial activity, nanosilver (nAg) has become the most widely used nanomaterial. Thus far, the mechanisms responsible for nAg-induced antimicrobial properties and nAg-mediated toxicity to organisms have not been clearly recognized. Silver (Ag) ions certainly play a crucial role, and the form of nanoparticles can change the dissolution rate, bioavailability, biodistribution, and cellular uptake of Ag. However, whether nAg exerts direct "particle-specific" effects has been under debate. Here we demonstrated that nAg exhibited a robust inhibition on RNA polymerase activity and overall RNA transcription through direct Ag binding to RNA polymerase, which is separated from the cytotoxicity pathway induced by Ag ions. nAg treatment in vitro resulted in reduced hemoglobin concentration in erythroid cells; in vivo administration of nAg in mice caused profound reduction of hemoglobin content in embryonic erythrocytes, associated with anemia in the embryos. Embryonic anemia and general proliferation deficit due to the significant inhibition on RNA synthesis, at least partially, accounted for embryonic developmental retardation upon nAg administration. To date, there is no conclusive answer to the sources of nAg-mediated toxicity: Ag ions or "particle-specific" effects, or both. We here demonstrated that both Ag ions and nAg particles simultaneously existed inside cells, demonstrating the "Trojan horse" effects of nAg particles in posing biological impacts on erythroid cells. Moreover, our results suggested that "particle-specific" effects could be the predominant mediator in eliciting biological influences on erythroid cells under relatively low concentrations of nAg exposure. The combined data highlighted the inhibitory effect of nAg on RNA polymerase activity through a direct reciprocal interaction.
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Affiliation(s)
- Zhe Wang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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32
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Atkins TM, Cassidy MC, Lee M, Ganguly S, Marcus CM, Kauzlarich SM. Synthesis of long T₁ silicon nanoparticles for hyperpolarized ²⁹Si magnetic resonance imaging. ACS NANO 2013; 7:1609-17. [PMID: 23350651 PMCID: PMC3612549 DOI: 10.1021/nn305462y] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
We describe the synthesis, materials characterization, and dynamic nuclear polarization (DNP) of amorphous and crystalline silicon nanoparticles for use as hyperpolarized magnetic resonance imaging (MRI) agents. The particles were synthesized by means of a metathesis reaction between sodium silicide (Na₄Si₄) and silicon tetrachloride (SiCl₄) and were surface functionalized with a variety of passivating ligands. The synthesis scheme results in particles of diameter ∼10 nm with long size-adjusted ²⁹Si spin-lattice relaxation (T₁) times (>600 s), which are retained after hyperpolarization by low-temperature DNP.
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Affiliation(s)
- Tonya M. Atkins
- Department of Chemistry, University of California, Davis, CA 95616 USA
| | - Maja C. Cassidy
- School of Engineering and Applied Science, Harvard University, Cambridge, MA 02138 USA
| | - Menyoung Lee
- Department of Physics, Harvard University, Cambridge, MA 02138 USA
| | - Shreyashi Ganguly
- Department of Chemistry, University of California, Davis, CA 95616 USA
| | - Charles M. Marcus
- Department of Physics, Harvard University, Cambridge, MA 02138 USA
- Center for Quantum Devices, Niels Bohr Institute, University of Copenhagen, 2100 Copenhagen O, Denmark
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