1
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Valagiannopoulos C, Tosi D. Scattering integral equation formulation for intravascular inclusion biosensing. Sci Rep 2024; 14:14978. [PMID: 38951563 PMCID: PMC11217448 DOI: 10.1038/s41598-024-64633-0] [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: 02/16/2024] [Accepted: 06/11/2024] [Indexed: 07/03/2024] Open
Abstract
A dielectric waveguide, inserted into blood vessels, supports its basic mode that is being scattered by a near-field intravascular inclusion. A rigorous integral equation formulation is performed and the electromagnetic response from that inhomogeneity is semi-analytically evaluated. The detectability of the formation, based on spatial distribution of the recorded signal, is estimated by considering various inclusion sizes, locations and textural contrasts. The proposed technique, with its variants and generalizations, provides a generic versatile toolbox to efficiently model biosensor layouts involved in healthcare monitoring and disease screening.
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Affiliation(s)
| | - Daniele Tosi
- School of Engineering and Digital Sciences, Nazarbayev University, Astana, 010000, Kazakhstan.
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2
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Elishav O, Blumer O, Vanderlick TK, Hirshberg B. The effect of ligands on the size distribution of copper nanoclusters: Insights from molecular dynamics simulations. J Chem Phys 2024; 160:164301. [PMID: 38647299 DOI: 10.1063/5.0202432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Accepted: 04/07/2024] [Indexed: 04/25/2024] Open
Abstract
Controlling the size distribution in the nucleation of copper particles is crucial for achieving nanocrystals with desired physical and chemical properties. However, their synthesis involves a complex system of solvents, ligands, and copper precursors with intertwining effects on the size of the nanoclusters. We combine molecular dynamics simulations and density functional theory calculations to provide insights into the nucleation mechanism in the presence of a triphenyl phosphite ligand. We identify the crucial role of the strength of the metal-phosphine interaction in inhibiting the cluster's growth. We demonstrate computationally several practical routes to fine-tune the interaction strength by modifying the side groups of the additive. Our work provides molecular insights into the complex nucleation process of protected copper nanocrystals, which can assist in controlling their size distribution and, eventually, their morphology.
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Affiliation(s)
- Oren Elishav
- Department of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520, USA
- School of Chemistry, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Ofir Blumer
- School of Chemistry, Tel Aviv University, Tel Aviv 6997801, Israel
| | - T Kyle Vanderlick
- Department of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520, USA
| | - Barak Hirshberg
- School of Chemistry, Tel Aviv University, Tel Aviv 6997801, Israel
- The Center for Computational Molecular and Materials Science, Tel Aviv University, Tel Aviv 6997801, Israel
- The Ratner Center for Single Molecule Science, Tel Aviv University, Tel Aviv 6997801, Israel
- The Center for Physics and Chemistry of Living Systems, Tel Aviv University, Tel Aviv 6997801, Israel
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3
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Tran HNQ, Tran KN, Gunenthiran S, Wang J, Law CS, Lim SY, Gary Lim YC, Abell AD, Marsal LF, Santos A. Tailoring Tamm Plasmon Resonances in Dielectric Nanoporous Photonic Crystals. ACS APPLIED MATERIALS & INTERFACES 2024; 16:11787-11799. [PMID: 38394678 DOI: 10.1021/acsami.3c16981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/25/2024]
Abstract
The fields of plasmonics and photonic crystals (PCs) have been combined to generate model light-confining Tamm plasmon (TMM) cavities. This approach effectively overcomes the intrinsic limit of diffraction faced by dielectric cavities and mitigates losses associated with the inherent properties of plasmonic materials. In this study, nanoporous anodic alumina PCs, produced by two-step sinusoidal pulse anodization, are used as a model dielectric platform to establish the methodology for tailoring light confinement through TMM resonances. These model dielectric mirrors feature highly organized nanopores and narrow bandwidth photonic stopbands (PSBs) across different positions of the spectrum. Different types of metallic films (gold, silver, and aluminum) were coated on the top of these model dielectric mirrors. By structuring the features of the plasmonic and photonic components of these hybrid structures, the characteristics of TMM resonances were studied to elucidate effective approaches to optimize the light-confining capability of this hybrid TMM model system. Our findings indicate that the coupling of photonic and plasmonic modes is maximized when the PSB of the model dielectric mirror is broad and located within the midvisible region. It was also found that thicker metal films enhance the quality of the confined light. Gas sensing experiments were performed on optimized TMM systems, and their sensitivity was assessed in real time to demonstrate their applicability. Ag films provide superior performance in achieving the highest sensitivity (S = 0.038 ± 0.001 nm ppm-1) based on specific binding interactions between thiol-containing molecules and metal films.
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Affiliation(s)
- Huong Nguyen Que Tran
- School of Chemical Engineering, The University of Adelaide, South Australia 5005, Australia
- Institute for Photonics and Advanced Sensing, The University of Adelaide, South Australia 5005, Australia
| | - Khoa Nhu Tran
- School of Chemical Engineering, The University of Adelaide, South Australia 5005, Australia
- Institute for Photonics and Advanced Sensing, The University of Adelaide, South Australia 5005, Australia
| | - Satyathiran Gunenthiran
- School of Chemical Engineering, The University of Adelaide, South Australia 5005, Australia
- Institute for Photonics and Advanced Sensing, The University of Adelaide, South Australia 5005, Australia
| | - Juan Wang
- School of Chemical Engineering, The University of Adelaide, South Australia 5005, Australia
- Institute for Photonics and Advanced Sensing, The University of Adelaide, South Australia 5005, Australia
| | - Cheryl Suwen Law
- School of Chemical Engineering, The University of Adelaide, South Australia 5005, Australia
- Institute for Photonics and Advanced Sensing, The University of Adelaide, South Australia 5005, Australia
| | - Siew Yee Lim
- School of Chemical Engineering, The University of Adelaide, South Australia 5005, Australia
- Institute for Photonics and Advanced Sensing, The University of Adelaide, South Australia 5005, Australia
| | - Yong Cheow Gary Lim
- School of Chemical Engineering, The University of Adelaide, South Australia 5005, Australia
| | - Andrew D Abell
- Institute for Photonics and Advanced Sensing, The University of Adelaide, South Australia 5005, Australia
- Department of Chemistry, The University of Adelaide, South Australia 5005, Australia
| | - Lluis F Marsal
- Department of Electronic, Electric, and Automatic Engineering, Rovira i Virgili University, Tarragona 43007, Spain
| | - Abel Santos
- School of Chemical Engineering, The University of Adelaide, South Australia 5005, Australia
- Institute for Photonics and Advanced Sensing, The University of Adelaide, South Australia 5005, Australia
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4
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Wang K, Liu X, Liang X, Jiang Y, Wen CY, Zeng J. Near-Infrared Responsive Ag@Au Nanoplates with Exceptional Stability for Highly Sensitive Colorimetric and Photothermal Dual-Mode Lateral Flow Immunoassay. Anal Chem 2024. [PMID: 38317503 DOI: 10.1021/acs.analchem.3c05787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Lateral flow immunoassay (LFIA) has played a vital role in point-of-care (POC) testing on account of its simplicity, rapidity, and low cost. However, the low sensitivity and difficulty of quantitation limit its further development. Sensitive markers with new detection modes are being developed to dramatically improve LFIA's performance. Herein, a ligand-complex approach was proposed to uniformly coat a thin layer of Au onto Ag triangular nanoplates (Ag TNPs) without etching the Ag cores, which not only retain the unique optical properties from Ag TNPs but also acquire the surface stability and biocompatibility of gold. The localized surface plasmon resonance absorption of these Ag@Au TNPs could be finely adjusted from visible (550 nm) to the second near-infrared region (NIR-II) (1100 nm), and even longer, by simply adjusting the ratio between edge length and thickness. Utilizing the Ag@Au TNPs as new markers for LFIA, a highly sensitive colorimetric and photothermal dual-mode detection of the SARS-CoV-2 nucleocapsid protein was achieved with a very low background. The Ag@Au TNPs showed an exceedingly high photothermal conversion efficiency of 61.4% (ca. 2 times higher than that of Au nanorods), endowing the LFIA method with a low photothermal detection limit (40 pg/mL), which was 25-fold lower than that of the colorimetric results. The generality of the method was further verified by the sensitive and accurate analysis of cardiac troponin I (cTnI). This method is robust, reproducible, and highly specific and has been successfully applied to SARS-COV-2 detection in 35 clinical samples with satisfactory results, demonstrating its potential for POC applications.
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Affiliation(s)
- Kun Wang
- College of Chemistry and Chemical Engineering, State Key Laboratory of Chemical Safety, China University of Petroleum (East China), Qingdao 266580, P. R. China
| | - Xiaohui Liu
- College of Chemistry and Chemical Engineering, State Key Laboratory of Chemical Safety, China University of Petroleum (East China), Qingdao 266580, P. R. China
| | - Xinyi Liang
- College of Chemistry and Chemical Engineering, State Key Laboratory of Chemical Safety, China University of Petroleum (East China), Qingdao 266580, P. R. China
| | - Yongzhong Jiang
- Hubei Provincial Center for Disease Control and Prevention, Wuhan 430065, China
| | - Cong-Ying Wen
- College of Chemistry and Chemical Engineering, State Key Laboratory of Chemical Safety, China University of Petroleum (East China), Qingdao 266580, P. R. China
| | - Jingbin Zeng
- College of Chemistry and Chemical Engineering, State Key Laboratory of Chemical Safety, China University of Petroleum (East China), Qingdao 266580, P. R. China
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5
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Liu K, Qiao Z, Gao C. Preventing the Galvanic Replacement Reaction toward Unconventional Bimetallic Core-Shell Nanostructures. Molecules 2023; 28:5720. [PMID: 37570689 PMCID: PMC10419990 DOI: 10.3390/molecules28155720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/08/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
A bimetallic core-shell nanostructure is a versatile platform for achieving intriguing optical and catalytic properties. For a long time, this core-shell nanostructure has been limited to ones with noble metal cores. Otherwise, a galvanic replacement reaction easily occurs, leading to hollow nanostructures or completely disintegrated ones. In the past few years, great efforts have been devoted to preventing the galvanic replacement reaction, thus creating an unconventional class of core-shell nanostructures, each containing a less-stable-metal core and a noble metal shell. These new nanostructures have been demonstrated to show unique optical and catalytic properties. In this work, we first briefly summarize the strategies for synthesizing this type of unconventional core-shell nanostructures, such as the delicately designed thermodynamic control and kinetic control methods. Then, we discuss the effects of the core-shell nanostructure on the stabilization of the core nanocrystals and the emerging optical and catalytic properties. The use of the nanostructure for creating hollow/porous nanostructures is also discussed. At the end of this review, we discuss the remaining challenges associated with this unique core-shell nanostructure and provide our perspectives on the future development of the field.
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Affiliation(s)
| | | | - Chuanbo Gao
- Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, China; (K.L.); (Z.Q.)
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6
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El Amri N, Roger K. An Alkanethiol-Surfactant Bilayer To Prevent Shape Conversion of Anisotropic Silver Nanoparticles and Probe Their Formation Mechanisms. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023. [PMID: 37307425 DOI: 10.1021/acs.langmuir.3c00398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Anisotropic nanoparticles can be synthesized under kinetic control but may undergo subsequent shape changes due to atomic reorganization. Furthermore, their synthesis involves rapid steps, which are challenging to monitor in situ. Here, we show how a nanoemulsion of alkanethiols with an ethoxylated surfactant, easily prepared and metastable for months, can simultaneously prevent shape reorganization and arrest reaction kinetics. We illustrate this generic method on the silver nanoplates synthesized in concentrated acetic acid aqueous solutions, in which rapid shape reorganization occurs. We show that there exists an optimum thiol concentration corresponding to full coverage of all silver surface atoms, which can be simply calculated from particle dimensions. Furthermore, we demonstrate that arresting nanoparticle formation can be achieved within milliseconds using a tandem rapid mixers scheme in a continuous flow setup, allowing ex situ monitoring of the reaction.
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Affiliation(s)
- Nouha El Amri
- Laboratoire de Génie Chimique, Université de Toulouse, CNRS, Institut National Polytechnique de Toulouse, Université Paul Sabatier, Toulouse, 31432, France
| | - Kevin Roger
- Laboratoire de Génie Chimique, Université de Toulouse, CNRS, Institut National Polytechnique de Toulouse, Université Paul Sabatier, Toulouse, 31432, France
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7
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Liu K, Yang H, Jiang Y, Liu Z, Zhang S, Zhang Z, Qiao Z, Lu Y, Cheng T, Terasaki O, Zhang Q, Gao C. Coherent hexagonal platinum skin on nickel nanocrystals for enhanced hydrogen evolution activity. Nat Commun 2023; 14:2424. [PMID: 37105957 PMCID: PMC10140298 DOI: 10.1038/s41467-023-38018-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
Metastable noble metal nanocrystals may exhibit distinctive catalytic properties to address the sluggish kinetics of many important processes, including the hydrogen evolution reaction under alkaline conditions for water-electrolysis hydrogen production. However, the exploration of metastable noble metal nanocrystals is still in its infancy and suffers from a lack of sufficient synthesis and electronic engineering strategies to fully stimulate their potential in catalysis. In this paper, we report a synthesis of metastable hexagonal Pt nanostructures by coherent growth on 3d transition metal nanocrystals such as Ni without involving galvanic replacement reaction, which expands the frontier of the phase-replication synthesis. Unlike noble metal substrates, the 3d transition metal substrate owns more crystal phases and lower cost and endows the hexagonal Pt skin with substantial compressive strains and programmable charge density, making the electronic properties particularly preferred for the alkaline hydrogen evolution reaction. The energy barriers are greatly reduced, pushing the activity to 133 mA cmgeo-2 and 17.4 mA μgPt-1 at -70 mV with 1.5 µg of Pt in 1 M KOH. Our strategy paves the way for metastable noble metal catalysts with tailored electronic properties for highly efficient and cost-effective energy conversion.
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Affiliation(s)
- Kai Liu
- State Key Laboratory of Multiphase Flow in Power Engineering, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Hao Yang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Joint International Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Yilan Jiang
- Center for High-resolution Electron Microscopy (CħEM), School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China
- Shanghai Key Laboratory of High-resolution Electron Microscopy, ShanghaiTech University, Shanghai, 201210, China
| | - Zhaojun Liu
- State Key Laboratory of Multiphase Flow in Power Engineering, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Shumeng Zhang
- State Key Laboratory of Multiphase Flow in Power Engineering, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Zhixue Zhang
- State Key Laboratory of Multiphase Flow in Power Engineering, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Zhun Qiao
- State Key Laboratory of Multiphase Flow in Power Engineering, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China
| | - Yiming Lu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Joint International Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Tao Cheng
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Joint International Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, Jiangsu, 215123, China.
| | - Osamu Terasaki
- Center for High-resolution Electron Microscopy (CħEM), School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China
- Shanghai Key Laboratory of High-resolution Electron Microscopy, ShanghaiTech University, Shanghai, 201210, China
| | - Qing Zhang
- Center for High-resolution Electron Microscopy (CħEM), School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China.
- Shanghai Key Laboratory of High-resolution Electron Microscopy, ShanghaiTech University, Shanghai, 201210, China.
| | - Chuanbo Gao
- State Key Laboratory of Multiphase Flow in Power Engineering, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, China.
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8
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Scarabelli L, Sun M, Zhuo X, Yoo S, Millstone JE, Jones MR, Liz-Marzán LM. Plate-Like Colloidal Metal Nanoparticles. Chem Rev 2023; 123:3493-3542. [PMID: 36948214 PMCID: PMC10103137 DOI: 10.1021/acs.chemrev.3c00033] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/24/2023]
Abstract
The pseudo-two-dimensional (2D) morphology of plate-like metal nanoparticles makes them one of the most anisotropic, mechanistically understood, and tunable structures available. Although well-known for their superior plasmonic properties, recent progress in the 2D growth of various other materials has led to an increasingly diverse family of plate-like metal nanoparticles, giving rise to numerous appealing properties and applications. In this review, we summarize recent progress on the solution-phase growth of colloidal plate-like metal nanoparticles, including plasmonic and other metals, with an emphasis on mechanistic insights for different synthetic strategies, the crystallographic habits of different metals, and the use of nanoplates as scaffolds for the synthesis of other derivative structures. We additionally highlight representative self-assembly techniques and provide a brief overview on the attractive properties and unique versatility benefiting from the 2D morphology. Finally, we share our opinions on the existing challenges and future perspectives for plate-like metal nanomaterials.
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Affiliation(s)
- Leonardo Scarabelli
- NANOPTO Group, Institue of Materials Science of Barcelona, Bellaterra, 08193, Spain
| | - Muhua Sun
- National Center for Electron Microscopy in Beijing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, People's Republic of China
| | - Xiaolu Zhuo
- Guangdong Provincial Key Lab of Optoelectronic Materials and Chips, School of Science and Engineering, The Chinese University of Hong Kong (Shenzhen), Shenzhen 518172, China
| | - Sungjae Yoo
- Research Institute for Nano Bio Convergence, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Department of Chemistry Sungkyunkwan University, Suwon 16419, Republic of Korea
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Jill E Millstone
- Department of Chemistry, Department of Chemical and Petroleum Engineering, Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Matthew R Jones
- Department of Chemistry, Rice University, Houston, Texas 77005, United States
- Department of Materials Science & Nanoengineering, Rice University, Houston, Texas 77005, United States
| | - Luis M Liz-Marzán
- CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), 20014 Donostia-San Sebastián, Spain
- Ikerbasque, 43009 Bilbao, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 20014 Donostia-San Sebastián, Spain
- Cinbio, Universidade de Vigo, 36310 Vigo, Spain
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9
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Xu H, Chen Z, Hao S, Fichthorn KA, Wiley BJ. Chloride enables the growth of Ag nanocubes and nanowires by making PVP binding facet-selective. NANOSCALE 2023; 15:5219-5229. [PMID: 36807442 DOI: 10.1039/d2nr06762e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Solution-phase synthesis of metal nanocrystals with multiple additives is a common strategy for control over nanocrystal shape, and thus control over their properties. However, few rules are available to predict the effect of multiple capping agents on metal nanocrystal shapes, making it hard to rationally design synthetic conditions. This work uses a combination of seed-mediated growth, single-crystal electrochemistry, and DFT calculations to determine the roles of PVP and Cl- in the anisotropic growth of single-crystal and penta-twinned silver nanocrystals. Single-crystal seeds grow into truncated octahedra bounded by a mixture of {111} and {100} facets in the presence of 0.03-30 mM PVP, but when 3-6 μM Cl- is added with PVP, the single-crystal seeds grow into cubes bounded by {100} facets. Electrochemical measurements on Ag(100) and Ag(111) single-crystal electrodes show PVP is a capping agent but it exhibits no selectivity for a particular facet. Addition of Cl- to PVP further passivates Ag(100) but not Ag(111), leading to conditions that favor formation of nanocubes. DFT calculations indicate the preferential binding of Cl- to Ag(100) causes preferential binding of PVP to Ag(100). The combined results indicate the presence or absence of Cl- modulates binding of PVP to (100) facets, leading to the formation of nanocubes with Cl-, or truncated octahedra without it.
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Affiliation(s)
- Heng Xu
- Department of Chemistry, Duke University, Durham, NC 27708, USA.
| | - Zihao Chen
- Department of Chemical Engineering, Pennsylvania State University, University Park, PA 16802, USA.
| | - Spencer Hao
- Department of Chemistry, Duke University, Durham, NC 27708, USA.
| | - Kristen A Fichthorn
- Department of Chemical Engineering, Pennsylvania State University, University Park, PA 16802, USA.
- Department of Physics, Pennsylvania State University, University Park, PA 16802, USA
| | - Benjamin J Wiley
- Department of Chemistry, Duke University, Durham, NC 27708, USA.
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10
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Qiao Z, Wei X, Liu H, Liu K, Gao C. Seed-Mediated Synthesis of Thin Gold Nanoplates with Tunable Edge Lengths and Optical Properties. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13040711. [PMID: 36839081 PMCID: PMC9961956 DOI: 10.3390/nano13040711] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/06/2023] [Accepted: 02/10/2023] [Indexed: 06/13/2023]
Abstract
Thin Au nanoplates show intriguing localized surface plasmon resonance (LSPR) properties with potential applications in various fields. The conventional synthesis of Au nanoplates usually involves the formation of spherical nanoparticles or produces nanoplates with large thicknesses. Herein, we demonstrate a synthesis of uniform thin Au nanoplates by using Au-Ag alloy nanoframes obtained by the galvanic replacement of Ag nanoplates with HAuCl4 as the seeds and a sulfite (SO32-) as a ligand. The SO32- ligand not only complexes with the Au salt for the controlled reduction kinetics but also strongly adsorbs on Au {111} facets for effectively constraining the crystal growth on both basal sides of the Au nanoplates for controlled shape and reduced thicknesses. This seed-mediated synthesis affords Au nanoplates with a thickness of only 7.5 nm, although the thickness increases with the edge length. The edge length can be customizable in a range of 48-167 nm, leading to tunable LSPR bands in the range of 600-1000 nm. These thin Au nanoplates are applicable not only to surface-enhanced Raman spectroscopy with enhanced sensitivity and reliability but also to a broader range of LSPR-based applications.
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Affiliation(s)
| | | | | | - Kai Liu
- Correspondence: (K.L.); (C.G.)
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11
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Xu J, Zhu X, Xu L, Kan C, Shi D. Template-directed growth of Ag nanostructures: soft templates versus hard templates. NANOSCALE 2023; 15:1687-1694. [PMID: 36594633 DOI: 10.1039/d2nr05667d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Hard template-directed growth methods present a compelling route for the synthesis of Ag nanostructures with precise size control. Meanwhile, soft template methods are effective and flexible for the synthesis of Ag nanostructures with various morphologies. However, the role of the soft template is ambiguous and obviously neglected in hard template-directed growth processes due to the strong confinement effect of the hard template, limiting the diversity of Ag nanostructures that can be obtained. Herein, we design Au nanoframes with deformable head structures as a hard template while using cetyltrimethylammonium chloride as a soft template, to direct the growth of Ag atoms on Au nanobipyramid seeds. When using the Au nanoframes with a closed head, the longitudinal growth of the Ag atoms is clearly limited by the hard template, leading to the formation of thick Ag nanorods with a five-fold twinned structure. The soft template starts to influence the growth process when the head structure of the Au nanoframes becomes hollow. In particular, the confinement effect of the hard template can be completely broken by selectively strengthening the role of the soft template, promoting the production of slender Ag nanorods similar to the results obtained in the absence of the hard template. Our results indicate that the morphology of the Ag nanostructures depends on the competition between the qualitatively confined energies of the hard and soft templates during the template-directed growth process. Moreover, this confined growth mechanism is also verified by the successful construction of various Ag nanostructures. The understanding of the collaborative competition mechanism between the soft and hard templates presents a great opportunity to construct novel Ag nanostructures through a template-directed method.
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Affiliation(s)
- Juan Xu
- College of Physics, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China.
| | - Xingzhong Zhu
- College of Physics, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China.
- Key Laboratory of Aerospace Information Materials and Physics (NUAA), MIIT, Nanjing 211106, China
| | - Lihui Xu
- College of Physics, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China.
| | - Caixia Kan
- College of Physics, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China.
- Key Laboratory of Aerospace Information Materials and Physics (NUAA), MIIT, Nanjing 211106, China
| | - Daning Shi
- College of Physics, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China.
- Key Laboratory of Aerospace Information Materials and Physics (NUAA), MIIT, Nanjing 211106, China
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12
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Liu M, Liu K, Gao C. Effects of Ligands on Synthesis and Surface‐Engineering of Noble Metal Nanocrystals for Electrocatalysis. ChemElectroChem 2022. [DOI: 10.1002/celc.202200651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Moxuan Liu
- Xi'an Jiaotong University Frontier Institute of Science and Technology 99 Yanxiang Road 710054 Xi'an CHINA
| | - Kai Liu
- Xi'an Jiaotong University Frontier Institute of Science and Technology 99 Yanxiang Road 710054 Xi'an CHINA
| | - Chuanbo Gao
- Xi'an Jiaotong University Frontier Institute of Science and Technology 99 Yanxiang Road 710054 Xi'an CHINA
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13
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Xie X, Li Y, Wang G, Bai Z, Yu Y, Wang Y, Ding Y, Lu Z. Femtosecond Laser Processing Technology for Anti-Reflection Surfaces of Hard Materials. MICROMACHINES 2022; 13:mi13071084. [PMID: 35888901 PMCID: PMC9322106 DOI: 10.3390/mi13071084] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 07/05/2022] [Accepted: 07/06/2022] [Indexed: 01/25/2023]
Abstract
The anti-reflection properties of hard material surfaces are of great significance in the fields of infrared imaging, optoelectronic devices, and aerospace. Femtosecond laser processing has drawn a lot of attentions in the field of optics as an innovative, efficient, and green micro-nano processing method. The anti-reflection surface prepared on hard materials by femtosecond laser processing technology has good anti-reflection properties under a broad spectrum with all angles, effectively suppresses reflection, and improves light transmittance/absorption. In this review, the recent advances on femtosecond laser processing of anti-reflection surfaces on hard materials are summarized. The principle of anti-reflection structure and the selection of anti-reflection materials in different applications are elaborated upon. Finally, the limitations and challenges of the current anti-reflection surface are discussed, and the future development trend of the anti-reflection surface are prospected.
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Affiliation(s)
- Xiaofan Xie
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin 300401, China; (X.X.); (Z.B.); (Y.Y.); (Y.W.); (Z.L.)
- Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin 300401, China
| | - Yunfei Li
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin 300401, China; (X.X.); (Z.B.); (Y.Y.); (Y.W.); (Z.L.)
- Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin 300401, China
- Tianjin Key Laboratory of Electronic Materials and Devices, Tianjin 300401, China
- National Demonstration Center for Experimental (Electronic and Communication Engineering) Education, Hebei University of Technology, Tianjin 300401, China
- Correspondence: (Y.L.); (G.W.); (Y.D.)
| | - Gong Wang
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin 300401, China; (X.X.); (Z.B.); (Y.Y.); (Y.W.); (Z.L.)
- Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin 300401, China
- Tianjin Key Laboratory of Electronic Materials and Devices, Tianjin 300401, China
- National Demonstration Center for Experimental (Electronic and Communication Engineering) Education, Hebei University of Technology, Tianjin 300401, China
- Correspondence: (Y.L.); (G.W.); (Y.D.)
| | - Zhenxu Bai
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin 300401, China; (X.X.); (Z.B.); (Y.Y.); (Y.W.); (Z.L.)
- Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin 300401, China
- Tianjin Key Laboratory of Electronic Materials and Devices, Tianjin 300401, China
- National Demonstration Center for Experimental (Electronic and Communication Engineering) Education, Hebei University of Technology, Tianjin 300401, China
| | - Yu Yu
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin 300401, China; (X.X.); (Z.B.); (Y.Y.); (Y.W.); (Z.L.)
- Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin 300401, China
- Tianjin Key Laboratory of Electronic Materials and Devices, Tianjin 300401, China
- National Demonstration Center for Experimental (Electronic and Communication Engineering) Education, Hebei University of Technology, Tianjin 300401, China
| | - Yulei Wang
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin 300401, China; (X.X.); (Z.B.); (Y.Y.); (Y.W.); (Z.L.)
- Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin 300401, China
- Tianjin Key Laboratory of Electronic Materials and Devices, Tianjin 300401, China
- National Demonstration Center for Experimental (Electronic and Communication Engineering) Education, Hebei University of Technology, Tianjin 300401, China
| | - Yu Ding
- Science and Technology on Electro-Optical Information Security Control Laboratory, Tianjin 300308, China
- Correspondence: (Y.L.); (G.W.); (Y.D.)
| | - Zhiwei Lu
- Center for Advanced Laser Technology, Hebei University of Technology, Tianjin 300401, China; (X.X.); (Z.B.); (Y.Y.); (Y.W.); (Z.L.)
- Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin 300401, China
- Tianjin Key Laboratory of Electronic Materials and Devices, Tianjin 300401, China
- National Demonstration Center for Experimental (Electronic and Communication Engineering) Education, Hebei University of Technology, Tianjin 300401, China
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14
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Yao Q, Zhang Q, Xie J. Atom-Precision Engineering Chemistry of Noble Metal Nanoparticles. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.1c04827] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Qiaofeng Yao
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
| | - Qingbo Zhang
- Department of Bioengineering, Rice University, Houston, Texas 77005, United States
| | - Jianping Xie
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
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15
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Khlebtsov BN, Burov AM, Zakharevich AM, Khlebtsov NG. SERS and Indicator Paper Sensing of Hydrogen Peroxide Using Au@Ag Nanorods. SENSORS (BASEL, SWITZERLAND) 2022; 22:3202. [PMID: 35590891 PMCID: PMC9101113 DOI: 10.3390/s22093202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/14/2022] [Accepted: 04/20/2022] [Indexed: 06/15/2023]
Abstract
The detection of hydrogen peroxide and the control of its concentration are important tasks in the biological and chemical sciences. In this paper, we developed a simple and quantitative method for the non-enzymatic detection of H2O2 based on the selective etching of Au@Ag nanorods with embedded Raman active molecules. The transfer of electrons between silver atoms and hydrogen peroxide enhances the oxidation reaction, and the Ag shell around the Au nanorod gradually dissolves. This leads to a change in the color of the nanoparticle colloid, a shift in LSPR, and a decrease in the SERS response from molecules embedded between the Au core and Ag shell. In our study, we compared the sensitivity of these readouts for nanoparticles with different Ag shell morphology. We found that triangle core-shell nanoparticles exhibited the highest sensitivity, with a detection limit of 10-4 M, and the SERS detection range of 1 × 10-4 to 2 × 10-2 M. In addition, a colorimetric strategy was applied to fabricate a simple indicator paper sensor for fast detection of hydrogen peroxide in liquids. In this case, the concentration of hydrogen peroxide was qualitatively determined by the change in the color of the nanoparticles deposited on the nitrocellulose membrane.
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Affiliation(s)
- Boris N. Khlebtsov
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Saratov Scientific Centre of the Russian Academy of Sciences (IBPPM RAS), 410049 Saratov, Russia; (A.M.B.); (N.G.K.)
| | - Andrey M. Burov
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Saratov Scientific Centre of the Russian Academy of Sciences (IBPPM RAS), 410049 Saratov, Russia; (A.M.B.); (N.G.K.)
| | | | - Nikolai G. Khlebtsov
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Saratov Scientific Centre of the Russian Academy of Sciences (IBPPM RAS), 410049 Saratov, Russia; (A.M.B.); (N.G.K.)
- Department of Physics, Saratov State University, 410012 Saratov, Russia;
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16
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Kim J, Fichthorn KA. The influence of iodide on the solution-phase growth of Cu microplates: a multi-scale theoretical analysis from first principles. Faraday Discuss 2022; 235:273-288. [PMID: 35389400 DOI: 10.1039/d1fd00091h] [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
We use first-principles density functional theory (DFT) to quantify the role of iodide in the solution-phase growth of Cu microplates. Our calculations show that a Cu adatom binds more strongly to hcp hollow sites than fcc hollow sites on iodine-covered Cu(111) - the basal facet of two-dimensional (2D) Cu plates. This feature promotes the formation of stacking faults during seed and plate which, in turn, promotes 2D growth. We also found that iodine adsorption leads to strong Cu atom binding and prohibitively slow diffusion of Cu atoms on Cu(100) - a feature that promotes Cu atom accumulation on the {100} site facets of a growing 2D plate. Incorporating these insights into analog experiments, in which we initiated the growth of Cu plates from small seeds consisting of magnetic spheres, we confirmed that two or more stacking faults are required for lateral plate growth, consistent with prior studies. Moreover, plates can take on a variety of shapes during growth: from triangular and truncated triangular to round and hexagonal - consistent with experiment. Using absorbing Markov chain calculations, we assessed the propensity for 2D vs. 3D kinetic growth of the plates. At experimental temperatures, we predict plates can grow to achieve lateral dimensions in the 1-10 micron range, as observed in experiments.
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Affiliation(s)
- Junseok Kim
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA 16802, USA.
| | - Kristen A Fichthorn
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA 16802, USA. .,Department of Physics, The Pennsylvania State University, University Park, PA 16802, USA
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17
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Yin X, Wu D, Yang H, Wang J, Zhang X, Li H, Zheng T, Wang L, Zhang T. Galvanic-Replacement-Assisted Surface-Initiated Atom Transfer Radical Polymerization for Functional Polymer Brush Engineering. ACS Macro Lett 2022; 11:296-302. [PMID: 35575363 DOI: 10.1021/acsmacrolett.1c00781] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Here we present a facile and robust strategy, namely, galvanic-replacement-assisted surface-initiated Cu(0)-mediated atom transfer radical polymerization (gr-SI-Cu0ATRP, or gr-SI-Cu0CRP) for polymer brush engineering under ambient conditions. In gr-SI-Cu0ATRP, highly active and nanostructured Cu(0) surfaces are obtained by a simple galvanic replacement on zinc/aluminum surfaces in dilute Cu2+ solution. Polymer brush growth rate is extremely high (up to ∼904 nm in 30 min polymerization); meanwhile, both nano Cu(0) surfaces and Cu2+ solution can be reused multiple times without losing grafting efficiency. We also demonstrate that the gr-SI-Cu0ATRP is advantageous for polymer brush engineering on arbitrary substrates, including flexible (polyethylene terephthalate), curved (polycarbonate), and porous (anodic aluminum oxide), and endow the substrates with various functionalities, for example, anti-icing, antifogging, and ion selectivity.
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Affiliation(s)
- Xiaodong Yin
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Daheng Wu
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Haoyong Yang
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Jianing Wang
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Xiaoxuan Zhang
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - He Li
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Tianyue Zheng
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Liping Wang
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Tao Zhang
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
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18
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Takeda E, Xu W, Terakawa M, Niidome T. Tailored Structure and Antibacterial Properties of Silica-Coated Silver Nanoplates by Pulsed Laser Irradiation. ACS OMEGA 2022; 7:7251-7256. [PMID: 35252715 PMCID: PMC8892910 DOI: 10.1021/acsomega.1c07058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 02/10/2022] [Indexed: 06/14/2023]
Abstract
We coated triangular-shaped silver nanoparticles, a type of anisotropic nanoplate (NPL), with silica (i.e., prepared Ag@SiO2 NPLs). When we irradiated Ag@SiO2 NPLs with nanosecond-pulsed laser light for 10 s, the triangular shape changed to spherical because of the photothermal effect. A high laser power exposed the silver core, and the particles exhibited strong antimicrobial activity. In contrast, at a moderate laser power, the silica layer crystallized, and the particles' antimicrobial activity decreased. Thus, a combination of Ag@SiO2 NPLs and an appropriately tuned power of pulsed laser irradiation facilitated a decreased or an increased antimicrobial activity.
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Affiliation(s)
- Emi Takeda
- Faculty
of Advanced Science and Technology, Kumamoto
University, Kumamoto 860-8555, Japan
| | - Wei Xu
- Faculty
of Advanced Science and Technology, Kumamoto
University, Kumamoto 860-8555, Japan
| | - Mitsuhiro Terakawa
- School
of Integrated Design Engineering, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
- Department
of Electronics and Electrical Engineering, Keio University, 3-14-1,
Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
| | - Takuro Niidome
- Faculty
of Advanced Science and Technology, Kumamoto
University, Kumamoto 860-8555, Japan
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Mondal S, Montaño-Priede JL, Nguyen VT, Park S, Choi J, Doan VHM, Vo TMT, Vo TH, Large N, Kim CS, Oh J. Computational analysis of drug free silver triangular nanoprism theranostic probe plasmonic behavior for in-situ tumor imaging and photothermal therapy. J Adv Res 2022; 41:23-38. [PMID: 36328751 PMCID: PMC9637560 DOI: 10.1016/j.jare.2022.02.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 02/11/2022] [Accepted: 02/14/2022] [Indexed: 12/15/2022] Open
Abstract
Designing drug-free polyvinyl alcohol coated stable silver triangular nano-prisms (PVA-SNT). Computational simulation of optical and photothermal properties with high in vivo experimental similarity. Stable PVA-SNT enables photoacoustic imaging-guided photothermal therapy of breast cancer. PVA-SNT exhibits enhanced photostability and high photothermal conversion efficiency.
Introduction The advanced features of plasmonic nanomaterials enable initial high accuracy detection with different therapeutic intervention. Computational simulations could estimate the plasmonic heat generation with a high accuracy and could be reliably compared to experimental results. This proposed combined theoretical-experimental strategy may help researchers to better understand other nanoparticles in terms of plasmonic efficiency and usability for future nano-theranostic research. Objectives To develop innovative computationally-driven approach to quantify any plasmonic nanoparticles photothermal efficiency and effects before their use as therapeutic agents. Methods This report introduces drug free plasmonic silver triangular nanoprisms coated with polyvinyl alcohol biopolymer (PVA-SNT), for in vivo photoacoustic imaging (PAI) guided photothermal treatment (PTT) of triple-negative breast cancer mouse models. The synthesized PVA-SNT nanoparticles were characterized and a computational electrodynamic analysis was performed to evaluate and predict the optical and plasmonic photothermal properties. The in vitro biocompatibility and in vivo tumor abalation study was performed with MDA-MB-231 human breast cancer cell line and in nude mice model. Results The drug free 140 μg∙mL−1 PVA-SNT nanoparticles with 1.0 W∙cm−2 laser irradiation for 7 min proved to be an effective and optimized theranostic approach in terms of PAI guided triple negative breast cancer treatment. The PVA-SNT nanoparticles exhibits excellent biosafety, photostability, and strong efficiency as PAI contrast agent to visualize tumors. Histological analysis and fluorescence-assisted cell shorter assay results post-treatment apoptotic cells, more importantly, it shows substantial damage to in vivo tumor tissues, killing almost all affected cells, with no recurrence. Conclusion This is a first complete study on computational simulations to estimate the plasmonic heat generation followed by drug free plasmonic PAI guided PTT for cancer treatment. This computationally-driven theranostic approach demonstrates an innovative thought regarding the nanoparticles shape, size, concentration, and composition which could be useful for the prediction of photothermal heat generation in precise nanomedicine applications.
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Affiliation(s)
- Sudip Mondal
- New-senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan 48513, Republic of Korea
| | - José Luis Montaño-Priede
- Department of Physics and Astronomy, The University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas 78249, United States
| | - Van Tu Nguyen
- Industry 4.0 Convergence Bionics Engineering, Department of Biomedical Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | - Sumin Park
- Industry 4.0 Convergence Bionics Engineering, Department of Biomedical Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | - Jaeyeop Choi
- Industry 4.0 Convergence Bionics Engineering, Department of Biomedical Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | - Vu Hoang Minh Doan
- Industry 4.0 Convergence Bionics Engineering, Department of Biomedical Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | - Thi Mai Thien Vo
- Industry 4.0 Convergence Bionics Engineering, Department of Biomedical Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | - Tan Hung Vo
- Industry 4.0 Convergence Bionics Engineering, Department of Biomedical Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | - Nicolas Large
- Department of Physics and Astronomy, The University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas 78249, United States
| | - Chang-Seok Kim
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Junghwan Oh
- New-senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan 48513, Republic of Korea; Department of Physics and Astronomy, The University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas 78249, United States; Ohlabs Corp., Busan 48513, Republic of Korea.
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20
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Wang G, Huang L. Sensitivity enhancement of a silver based surface plasmon resonance sensor via an optimizing graphene-dielectric composite structure. APPLIED OPTICS 2022; 61:683-690. [PMID: 35200772 DOI: 10.1364/ao.446579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 12/21/2021] [Indexed: 06/14/2023]
Abstract
A silver based surface plasmon resonance (SPR) sensor with dielectric-graphene composite film is presented. The influences of the dielectric layer and graphene on sensitivity and other sensing properties are theoretically calculated and then comprehensively discussed. The refractive index sensitivities for composite silver film based SPR sensors with graphene and dielectric layers could be increased by 29% and 288% more than that of monolayer silver film based SPR sensors, respectively. Further, the sensitivity could be enhanced by 202% when combining the graphene and dielectric layers together. Considering the high adsorptive capacity of graphene for biochemical molecules, the composite silver film with both a dielectric layer and graphene would have great potential application in biochemical sensing fields. Further, bovine serum albumin protein was successfully used to verify the biochemical sensing ability of the proposed SPR sensor. The shift of resonance angle is nearly 3.1 fold that of monolayer silver based SPR sensors.
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Abstract
Colloidal self-assembly refers to a solution-processed assembly of nanometer-/micrometer-sized, well-dispersed particles into secondary structures, whose collective properties are controlled by not only nanoparticle property but also the superstructure symmetry, orientation, phase, and dimension. This combination of characteristics makes colloidal superstructures highly susceptible to remote stimuli or local environmental changes, representing a prominent platform for developing stimuli-responsive materials and smart devices. Chemists are achieving even more delicate control over their active responses to various practical stimuli, setting the stage ready for fully exploiting the potential of this unique set of materials. This review addresses the assembly of colloids into stimuli-responsive or smart nanostructured materials. We first delineate the colloidal self-assembly driven by forces of different length scales. A set of concepts and equations are outlined for controlling the colloidal crystal growth, appreciating the importance of particle connectivity in creating responsive superstructures. We then present working mechanisms and practical strategies for engineering smart colloidal assemblies. The concepts underpinning separation and connectivity control are systematically introduced, allowing active tuning and precise prediction of the colloidal crystal properties in response to external stimuli. Various exciting applications of these unique materials are summarized with a specific focus on the structure-property correlation in smart materials and functional devices. We conclude this review with a summary of existing challenges in colloidal self-assembly of smart materials and provide a perspective on their further advances to the next generation.
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Affiliation(s)
- Zhiwei Li
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Qingsong Fan
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Yadong Yin
- Department of Chemistry, University of California, Riverside, California 92521, United States
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22
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Jia W, Xie D, Li F, Wu X, Wang R, Yang L, Liu L, Yin W, Chang S. Evaluation the effect of nanoparticles on the structure of aptamers by analyzing the recognition dynamics of aptamer functionalized nanoparticles. Anal Chim Acta 2021; 1183:338976. [PMID: 34627520 DOI: 10.1016/j.aca.2021.338976] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 08/05/2021] [Accepted: 08/20/2021] [Indexed: 01/31/2023]
Abstract
Aptamer-functionalized nanoparticles have been widely studied as targeted probes in biomedical applications for targeted therapy and imaging. The rigidity of the nanoparticle could stabilized the spatial structure of the aptamer, ensuring the selectivity and affinity for target recognition in the complex environment. The main aim of this article study was to explore the effect of the spatial structure of aptamer in the interaction between aptamer nanoprobes and receptors. We designed and synthesized aptamer functionalized nanoparticle systems with different derivation lengths, and developed a unique kinetic analysis to quantify affinity interactions. The system used silver decahedral nanoparticles (Ag10NPs), which was then chemically functionalized with thrombin (or IgE) aptamers of different tail lengths to produced different nanoprobes, and employed thrombin (or IgE) as target on a surface plasmon resonance (SPR) biosensor to evaluate the binding of these nanoprobes. Kinetic analysis of the SPR binding curve was performed to evaluated the affinity between nanoprobes and targets. Under the premise of eliminating multivalent interactions, we found that the distance between aptamer and nanoparticle could affect the affinity between nanoprobe and target. Furthermore, we found that keeping a certain distance between aptamer and nanoparticle could effectively improved the recognition efficiency of the aptamer nanoprobe and target. It shows that the rigidity of nanomaterials could maintain the spatial structure of the aptamer.
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Affiliation(s)
- Wenchao Jia
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China.
| | - Danping Xie
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China.
| | - Fangfang Li
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China
| | - Xiangzong Wu
- Ocean College, Minjiang University, Fuzhou, 350108, China
| | - Rui Wang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China
| | - Leifeng Yang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China
| | - Lijun Liu
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China
| | - Wenhua Yin
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China
| | - Sheng Chang
- National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Environmental Protection Key Laboratory of Drinking Water Source Protection, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China.
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23
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Li G, Zhang W, Luo N, Xue Z, Hu Q, Zeng W, Xu J. Bimetallic Nanocrystals: Structure, Controllable Synthesis and Applications in Catalysis, Energy and Sensing. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1926. [PMID: 34443756 PMCID: PMC8401639 DOI: 10.3390/nano11081926] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/21/2021] [Accepted: 07/23/2021] [Indexed: 12/12/2022]
Abstract
In recent years, bimetallic nanocrystals have attracted great interest from many researchers. Bimetallic nanocrystals are expected to exhibit improved physical and chemical properties due to the synergistic effect between the two metals, not just a combination of two monometallic properties. More importantly, the properties of bimetallic nanocrystals are significantly affected by their morphology, structure, and atomic arrangement. Reasonable regulation of these parameters of nanocrystals can effectively control their properties and enhance their practicality in a given application. This review summarizes some recent research progress in the controlled synthesis of shape, composition and structure, as well as some important applications of bimetallic nanocrystals. We first give a brief introduction to the development of bimetals, followed by the architectural diversity of bimetallic nanocrystals. The most commonly used and typical synthesis methods are also summarized, and the possible morphologies under different conditions are also discussed. Finally, we discuss the composition-dependent and shape-dependent properties of bimetals in terms of highlighting applications such as catalysis, energy conversion, gas sensing and bio-detection applications.
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Affiliation(s)
- Gaojie Li
- NEST Lab, Department of Physics, College of Science, Shanghai University, Shanghai 200444, China; (N.L.); (Z.X.); (Q.H.)
- School of Physics and Engineering, Henan University of Science and Technology, Luoyang 471023, China
| | - Wenshuang Zhang
- NEST Lab, Department of Chemistry, College of Science, Shanghai University, Shanghai 200444, China;
| | - Na Luo
- NEST Lab, Department of Physics, College of Science, Shanghai University, Shanghai 200444, China; (N.L.); (Z.X.); (Q.H.)
| | - Zhenggang Xue
- NEST Lab, Department of Physics, College of Science, Shanghai University, Shanghai 200444, China; (N.L.); (Z.X.); (Q.H.)
| | - Qingmin Hu
- NEST Lab, Department of Physics, College of Science, Shanghai University, Shanghai 200444, China; (N.L.); (Z.X.); (Q.H.)
| | - Wen Zeng
- School of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
| | - Jiaqiang Xu
- NEST Lab, Department of Physics, College of Science, Shanghai University, Shanghai 200444, China; (N.L.); (Z.X.); (Q.H.)
- School of Physics and Engineering, Henan University of Science and Technology, Luoyang 471023, China
- NEST Lab, Department of Chemistry, College of Science, Shanghai University, Shanghai 200444, China;
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Zhang K, Zhao G. An Effective Wound Healing Material Based on Gold Incorporation into a Heparin-Polyvinyl Alcohol Nanocomposite: Enhanced In Vitro and In Vivo Care of Perioperative Period. J CLUST SCI 2021. [DOI: 10.1007/s10876-021-02078-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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25
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Kamal S, Yang TCK. A silver trimesate organic framework as an ultrasensitive surface-enhanced Raman scattering substrate for detection of various organic pollutants. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105896] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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26
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Lu R, Ni J, Yin S, Ji Y. Responsive Plasmonic Nanomaterials for Advanced Cancer Diagnostics. Front Chem 2021; 9:652287. [PMID: 33816441 PMCID: PMC8014002 DOI: 10.3389/fchem.2021.652287] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 02/01/2021] [Indexed: 11/17/2022] Open
Abstract
Plasmonic nanostructures, particularly of noble-metal Au and Ag, have attracted long-lasting research interests because of their intriguing physical and chemical properties. Under light excitation, their conduction electrons can form collective oscillation with the electromagnetic fields at particular wavelength, leading to localized surface plasmon resonance (LSPR). The remarkable characteristic of LSPR is the absorption and scattering of light at the resonant wavelength and greatly enhanced electric fields in localized areas. In response to the chemical and physical changes, these optical properties of plasmonic nanostructures will exhibit drastic color changes and highly sensitive peak shifts, which has been extensively used for biological imaging and disease treatments. In this mini review, we aim to briefly summarize recent progress of preparing responsive plasmonic nanostructures for biodiagnostics, with specific focus on cancer imaging and treatment. We start with typical synthetic approaches to various plasmonic nanostructures and elucidate practical strategies and working mechanism in tuning their LSPR properties. Current achievements in using responsive plasmonic nanostructures for advanced cancer diagnostics will be further discussed. Concise perspectives on existing challenges in developing plasmonic platforms for clinic diagnostics is also provided at the end of this review.
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Affiliation(s)
| | | | | | - Yiding Ji
- Suzhou Ninth People’s Hospital, Suzhou, China
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Murugan E, Santhoshkumar S, Govindaraju S, Palanichamy M. Silver nanoparticles decorated g-C 3N 4: An efficient SERS substrate for monitoring catalytic reduction and selective Hg 2+ions detection. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 246:119036. [PMID: 33070011 DOI: 10.1016/j.saa.2020.119036] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 09/02/2020] [Accepted: 09/29/2020] [Indexed: 06/11/2023]
Abstract
Graphitic carbon nitride supported Ag NPs(AgNPs@g-C3N4) were synthesized by an in-situ chemical reduction using a green reducing agent, tannic acid. They were characterized by UV-Vis, FTIR, XPS, XRD, FESEM, EDAX and HRTEM. They were very much SERS sensitive, and capable of detecting methylene blue and 4-aminothiophenol at 1 × 10-12 M and 1 × 10-10 M, respectively with the corresponding SERS enhancement factor of 1.4 × 108 and 4.7 × 107. Apart from its high SERS sensitivity, it exhibited high catalytic activity for the reduction of MB with NaBH4. So, their SERS activity and catalytic activity were combined successfully to monitor catalytic reduction of MB by SERS technique. Further, the SERS activity towards MB was also employed for the detection/quantification of free Hg2+ ions in aqueous solution. The SERS intensity of MB drastically decreased in the presence of Hg2+ ions, and hence it provides novel route to detect and quantify the latter. Presence of Ca2+, Mg2+, Cu2+ and Cd2+ions showed zero interference for it. So, this study proves that Ag NPs@g-C3N4 as a unique substrate for multiple SERS applications.
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Affiliation(s)
- E Murugan
- Department of Physical Chemistry, School of Chemical Science, University of Madras, Guindy Campus, Chennai 600 025, Tamilnadu, India.
| | - S Santhoshkumar
- Department of Physical Chemistry, School of Chemical Science, University of Madras, Guindy Campus, Chennai 600 025, Tamilnadu, India
| | - S Govindaraju
- Department of Physical Chemistry, School of Chemical Science, University of Madras, Guindy Campus, Chennai 600 025, Tamilnadu, India
| | - M Palanichamy
- Department of Physical Chemistry, School of Chemical Science, University of Madras, Guindy Campus, Chennai 600 025, Tamilnadu, India
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Su Y, Wen S, Luo X, Xue F, Wu S, Yuan B, Lu X, Cai C, Jiang LP, Wu P, Zhu JJ. Highly Biocompatible Plasmonically Encoded Raman Scattering Nanoparticles Aid Ultrabright and Accurate Bioimaging. ACS APPLIED MATERIALS & INTERFACES 2021; 13:135-147. [PMID: 33356115 DOI: 10.1021/acsami.0c16683] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Plasmonically engineered nanomaterials based on Au-Ag for surface-enhanced Raman scattering (SERS)-based biomedicine is of great importance but is still far behind clinical needs because of the poor compatibility between sensitivity and safety. Here, robust plasmonically encoded Raman scattering nanoparticles, named Au core-Raman-active molecule-Ag shell-Au shell nanoparticles (CMSS NPs), were synthesized. The as-developed CMSS NPs possess a unique exterior ultrathin Au shell (∼2.2 nm thickness) that plays double key roles as an effective wrapping layer as well as a plasmonic enhancing layer, thereby showing not only extraordinary stability against oxidative damages and bioerosion but also outstanding SERS sensitivity because of the stronger in-built electromagnetic field, achieving a significant SERS enhancement factor of 3.3 × 108. The results confirm that the individual CMSS NPs show ultrahigh brightness, reproducibility, selectivity, and biocompatibility in single-cell Raman imaging. Moreover, ultrabright in vivo tumor imaging with 1 × 1 mm2 area can be quickly achieved within 35 s under open-air condition. Furthermore, by secondary plasmonic encoding, the CMSS NPs flexibly serve as nanobeacon to monitor single-cell autophagy with improved accuracy. The CMSS NPs are expected as versatile SERS probes that enable ultrabright, fast, and precise Raman-based bioimaging and clinical bioapplications.
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Affiliation(s)
- Yu Su
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, China
| | - Shengping Wen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, China
| | - Xiaojun Luo
- Jiangsu Key Laboratory of New Power Batteries, College of Chemistry & Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210097, China
| | - Feihu Xue
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, China
| | - Shaojun Wu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, China
| | - Baozhen Yuan
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, China
| | - Xuanzhao Lu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, China
| | - Chenxin Cai
- Jiangsu Key Laboratory of New Power Batteries, College of Chemistry & Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210097, China
| | - Li-Ping Jiang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, China
| | - Ping Wu
- Jiangsu Key Laboratory of New Power Batteries, College of Chemistry & Materials Science, Nanjing Normal University, Nanjing, Jiangsu 210097, China
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, China
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29
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Gong S, Zhang YX, Niu Z. Recent Advances in Earth-Abundant Core/Noble-Metal Shell Nanoparticles for Electrocatalysis. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02587] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Shuyan Gong
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Yu-Xiao Zhang
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Zhiqiang Niu
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
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30
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Zhu J, Zhang S, Weng GJ, Li JJ, Zhao JW. The morphology regulation and plasmonic spectral properties of Au@AuAg yolk-shell nanorods with controlled interior gap. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 236:118343. [PMID: 32302959 DOI: 10.1016/j.saa.2020.118343] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 04/02/2020] [Accepted: 04/05/2020] [Indexed: 06/11/2023]
Abstract
Au@AuAg yolk-shell nanorods with tunable and uniform interior gap were synthesized through galvanic replacement reaction, where Au@Ag core-shell nanorods served as sacrificial templates and HAuCl4 solution served as reductant. The effects of HAuCl4, Ag shell thickness and aspect ratio (AR) of Au nanorods on the morphology of Au@AuAg yolk-shell nanorods had been investigated systemically. The results clearly indicated that AuAg alloy shell thickness of Au@AuAg yolk-shell nanorods could be increased from 3.6 to 10.0 nm by varying the amount of HAuCl4. Meanwhile, the shape of AuAg alloy shell could be tuned by changing the shape of Ag coating. With the increasing of Ag coating thickness, the interior gap could be finely tuned in the range from 2.6 to 8.1 nm. The uniformity of interior gap could be improved by increasing the AR of Au nanorods. All these tunable geometries can further affect the plasmonic spectral properties of Au@AuAg yolk-shell nanorods. Because of the appearance of interior gap, the longitudinal localized surface plasmon resonance (LSPR) peak of Au@AuAg yolk-shell nanorods was located between that of bare Au nanorods and Au@Ag core-shell nanorods without interior gap. The increase of outer AuAg shell thickness can weaken the coupling between the inner and outer surface of the AuAg shell and lead to the decrease of AR, so the transverse and longitudinal LSPR bands gather together. The decrease of Ag coating thickness can enhance the coupling between inner Au nanorod and outer AuAg shell, which results in the red shift of the longitudinal LSPR band. This paper provides a method for studying the plasmonic coupling between two metal surfaces with a metal layer or a dielectric layer, which is also a new approach for regulating the plasmonic spectral properties of bimetallic nanoparticles. The controllability of Au@AuAg yolk-shell nanorods in both the interior gap and outer alloy shells makes them have potential applications in biomedicine, catalysis, nanoreactors, and energy storage.
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Affiliation(s)
- Jian Zhu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China.
| | - Shuang Zhang
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
| | - Guo-Jun Weng
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
| | - Jian-Jun Li
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
| | - Jun-Wu Zhao
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China.
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31
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Ha Pham TT, Vu XH, Dien ND, Trang TT, Van Truong N, Thanh TD, Tan PM, Ca NX. The structural transition of bimetallic Ag-Au from core/shell to alloy and SERS application. RSC Adv 2020; 10:24577-24594. [PMID: 35516184 PMCID: PMC9055174 DOI: 10.1039/d0ra04132g] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 06/15/2020] [Indexed: 12/11/2022] Open
Abstract
It is well-known that Ag-Au bimetallic nanoplates have attracted significant research interest due to their unique plasmonic properties and surface-enhanced Raman scattering (SERS). In recent years, there have been many studies on the fabrication of bimetallic nanostructures. However, controlling the shape, size, and structure of bimetallic nanostructures still has many challenges. In this work, we present the results of the synthesis of silver nanoplates (Ag NPls), and Ag-Au bimetallic core/shell and alloy nanostructures, using seed-mediated growth under green LED excitation and a gold salt (HAuCl4) as a precursor of gold. The results show that the optical properties and crystal structure strongly depend on the amount of added gold salt. Interestingly, when the amount of gold(x) in the sample was less than 0.6 μmol (x < 0.6 μmol), the structural nature of Ag-Au was core/shell, in contrast x > 0.6 μmol gave the alloy structure. The morphology of the obtained nanostructures was investigated using the field emission scanning electron microscopy (FESEM) technique. The UV-Vis extinction spectra of Ag-Au nanostructures showed localized surface plasmon resonance (LSPR) bands in the spectral range of 402-627 nm which changed from two peaks to one peak as the amount of gold increased. Ag-Au core/shell and alloy nanostructures were utilized as surface enhanced Raman scattering (SERS) substrates to detect methylene blue (MB) (10-7 M concentration). Our experimental observations indicated that the highest enhancement factor (EF) of about 1.2 × 107 was obtained with Ag-Au alloy. Our detailed investigations revealed that the Ag-Au alloy exhibited significant EF compared to pure metal Ag and Ag-Au core/shell nanostructures. Moreover, the analysis of the data revealed a linear dependence between the logarithm of concentration (log C) and the logarithm of SERS signal intensity (log I) in the range of 10-7-10-4 M with a correlation coefficient (R 2) of 0.994. This research helps us understand better the SERS mechanism and the application of Raman spectroscopy on a bimetallic surface.
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Affiliation(s)
- Thi Thu Ha Pham
- Faculty of Chemistry, TNU-University of Sciences Tan Thinh ward Thai Nguyen city Vietnam
| | - Xuan Hoa Vu
- Faculty of Physics, TNU-University of Sciences Tan Thinh ward Thai Nguyen city Vietnam
| | - Nguyen Dac Dien
- Faculty of Labour Protection, Vietnam Trade Union University 169 Tay Son street Hanoi city Vietnam
| | - Tran Thu Trang
- Faculty of Physics, TNU-University of Sciences Tan Thinh ward Thai Nguyen city Vietnam
| | - Nguyen Van Truong
- Faculty of Fundamental Sciences, Thai Nguyen University of Technology 666 3/2 road Thai Nguyen city Vietnam
| | - Tran Dang Thanh
- Institute of Materials Science, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet Hanoi Vietnam
| | - Pham Minh Tan
- Institute of Research and Development, Duy Tan University Da Nang 550000 Vietnam
| | - Nguyen Xuan Ca
- Faculty of Physics, TNU-University of Sciences Tan Thinh ward Thai Nguyen city Vietnam
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32
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Yu T, Tong L, Ao Y, Zhang G, Liu Y, Zhang H. NIR triggered PLGA coated Au-TiO 2 core loaded CPT-11 nanoparticles for human papillary thyroid carcinoma therapy. Drug Deliv 2020; 27:855-863. [PMID: 32515668 PMCID: PMC8216437 DOI: 10.1080/10717544.2020.1775723] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
MDR (multi-drug resistance) is one of the significant deterrents of effective chemotherapy for malignant growth. One of the powerful ways to deal with defeat of the MDR is to utilize inorganic nanoparticle-intervened tranquilize conveyance to build the medication aggregations in cancerous growth cells. In this work, we have developed the presentation that is accurately made of medication conveyance framework dependent on the TiO2 nanoparticles stacked CPT-11 to defeat the thyroid malignancy cells. The synthesized nanoparticles are characterized by spectroscopy methods (UV–vis, XPS, SEM, TEM, and DLS). The TEM results suggested that the shape of PLGA-Au-TiO2@CPT-11 of nanoparticles is ∼250 nm. After successful synthesis, we have evaluated the MTT of PLGA-Au-TiO2@CPT-11 nanoparticles with and without NIR radiations. Further, the morphological changes were observed using various biochemical stainings, such as acridine orange and ethidium bromide (AO–EB) and nuclear staining through Hoechst-33258. Also, migration and cell invasion were examined. The results show that these PLGA-Au-TiO2@CPT-11 and PLGA-Au-TiO2@CPT-11 + NIR nanoparticles exhibited promising antimetastatic property and reduced the cell invasion activity in B-CPAP and FTC-133 thyroid cancer cell lines. Based on the above findings, these PLGA-Au-TiO2@CPT-11 and PLGA-Au-TiO2@CPT-11 + NIR nanoparticles can be used as a promising candidate for the malignant thyroid cells.
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Affiliation(s)
- Tianyu Yu
- Department of Thyroid Surgery, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Lingling Tong
- Department of Obstetrics and Gynecology, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Yu Ao
- Department of Pediatrics, The First Hospital of Jilin University, Changchun, China
| | - Genmao Zhang
- Department of Ultrasonography, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Yunpeng Liu
- Department of Thoracic Surgery, The First Hospital of Jilin University, Changchun, China
| | - Hejia Zhang
- Department of Ultrasonography, China-Japan Union Hospital of Jilin University, Changchun, China
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Abstract
The detection of biomarkers is critical for enabling early disease diagnosis, monitoring the progression, and tracking the effectiveness of therapeutic intervention. Plasmonic sensors exhibit a broad range of analytical capabilities, from the rapid generation of colorimetric readouts to single-molecule sensitivity in ultralow sample volumes, which have led to their increased exploration in bioanalysis and point-of-care applications. This perspective presents selected accounts of recent developments on the different types of plasmonic sensing platforms, the pervasive challenges, and outlook on the pathway to translation. We highlight the sensing of upcoming biomarkers, including microRNA, circulating tumor cells, exosomes, and cell-free DNA, and discuss the opportunity of utilizing plasmonic nanomaterials and tools for biomarker detection beyond biofluids, such as in tissues, organs, and disease sites. The integration of plasmonic biosensors with established and upcoming technologies of instrumentation, sample pretreatment, and data analysis will help realize their translation to clinical settings for improving healthcare and enhancing the quality of life.
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Affiliation(s)
- Nicole Cathcart
- Department of Chemistry, York University, 4700 Keele Street Toronto, Ontario, Canada M3J 1P3
| | - Jennifer I L Chen
- Department of Chemistry, York University, 4700 Keele Street Toronto, Ontario, Canada M3J 1P3
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34
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Yuan M, Xiong Q, Zhang G, Xiong Z, Liu D, Duan H, Lai W. Silver nanoprism-based plasmonic ELISA for sensitive detection of fluoroquinolones. J Mater Chem B 2020; 8:3667-3675. [PMID: 32039414 DOI: 10.1039/c9tb02776a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Fluoroquinolones are synthetic antibiotics that are commonly used in animal husbandry, and the consumption of animal products with fluoroquinolone residues has imposed a serious threat to human health. Here, we report a plasmonic enzyme-linked immunosorbent assay (pELISA) method based on oxidative etching of silver nanoprisms (AgNPRs) for the quantitative and qualitative detection of danofloxacin (DAN), a fluoroquinolone antibiotic. AgNPRs that undergo colorimetric changes upon oxidative etching by H2O2 serve as the signal transducer in our design. An indirect competitive pELISA was constructed by introducing biotinylated monoclonal antibody (mAb), streptavidin and biotinylated glucose oxidase, which catalyzes the generation of H2O2 for etching AgNPRs. The quantitative detection limit of the proposed method was 0.24 ng mL-1 for DAN. The qualitative detection limit for DAN reached 0.32 ng mL-1, which was 32-fold lower than that of the assay using 3,3',5,5'-tetramethylbenzidine (TMB) as the signal transducer. The average recoveries of DAN in milk ranged from 103% to 121%, with a coefficient of variation of 0.6-3.41%. The recovery results were further confirmed using liquid chromatography-tandem mass spectrometry. In summary, the proposed AgNPR-etching pELISA exhibits high sensitivity, good accuracy and excellent reliability for the quantitative and qualitative detection of DAN in milk.
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Affiliation(s)
- Meifang Yuan
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China.
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35
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Zeng X, Yan S, Di C, Lei M, Chen P, Du W, Jin Y, Liu BF. "All-in-One" Silver Nanoprism Platform for Targeted Tumor Theranostics. ACS APPLIED MATERIALS & INTERFACES 2020; 12:11329-11340. [PMID: 32072808 DOI: 10.1021/acsami.9b21166] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Designing a multifunctional theranostic nanoplatform with optional therapeutic strategies is highly desirable to select the most suitable therapeutic manners for the patient's cancer treatment. Among all shapes of silver materials, a silver nanoprism was reported to have great potential in photothermal therapy (PTT) owing to its strong surface plasmon resonance band in the near-infrared region. However, its instability in physicochemical environments and its severe toxicity confined its further application. To overcome this, herein, we demonstrated a silver prism-polydopamine (PDA) hybrid nanoplatform for tumor treatment with three therapeutic strategies. Specifically, the PDA coating endows the silver prism with excellent stability, high photothermal conversion, long-term in vivo biocompatibility, ease of decorating targeting ligands, and drug delivery. Upon near-infrared laser irradiation (808 nm, 1 W/cm2), tumors can be eradicated by the as-prepared nanoparticle through monomodal PTT. Besides, when combined with a chemical drug, this nanoparticle is able to inhibit tumor growth via combined photochemotherapy under a lower laser treatment (0.7 W/cm2). Furthermore, by supplementing with an immune checkpoint blockade, the realized synergistic photochemoimmunotherapy exhibits high efficacy to inhibit tumor relapse and metastasis. Moreover, owing to the high photothermal conversion efficiency and great X-ray attenuation ability of the silver nanoprism, our designed nanoplatform can be used in photoacoustic, computed tomography, and infrared thermal multimodal imaging. Our study provides a multifunctional nanoparticle for tumor theranostics, and this therapeutic strategy-optional nanoplatform shows promise in future biomedicine.
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Affiliation(s)
- Xuemei Zeng
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology - Key Laboratory of Pulmonary Diseases of Health Ministry, Department of Respiratory and Critical Care Medicine, Union Hospital, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Shuangqian Yan
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology - Key Laboratory of Pulmonary Diseases of Health Ministry, Department of Respiratory and Critical Care Medicine, Union Hospital, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Chao Di
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology - Key Laboratory of Pulmonary Diseases of Health Ministry, Department of Respiratory and Critical Care Medicine, Union Hospital, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Mengcheng Lei
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology - Key Laboratory of Pulmonary Diseases of Health Ministry, Department of Respiratory and Critical Care Medicine, Union Hospital, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Peng Chen
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology - Key Laboratory of Pulmonary Diseases of Health Ministry, Department of Respiratory and Critical Care Medicine, Union Hospital, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Wei Du
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology - Key Laboratory of Pulmonary Diseases of Health Ministry, Department of Respiratory and Critical Care Medicine, Union Hospital, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Yang Jin
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology - Key Laboratory of Pulmonary Diseases of Health Ministry, Department of Respiratory and Critical Care Medicine, Union Hospital, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Bi-Feng Liu
- Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology - Key Laboratory of Pulmonary Diseases of Health Ministry, Department of Respiratory and Critical Care Medicine, Union Hospital, Huazhong University of Science and Technology, Wuhan 430074, China
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36
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Liu J, Zhang J. Nanointerface Chemistry: Lattice-Mismatch-Directed Synthesis and Application of Hybrid Nanocrystals. Chem Rev 2020; 120:2123-2170. [DOI: 10.1021/acs.chemrev.9b00443] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jia Liu
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, P.R. China
| | - Jiatao Zhang
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, P.R. China
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37
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Zhu H, Jiang X. Development of a General Fabrication Strategy for Carbonaceous Noble Metal Nanocomposites with Photothermal Property. NANOSCALE RESEARCH LETTERS 2020; 15:17. [PMID: 31965343 PMCID: PMC6974232 DOI: 10.1186/s11671-019-3242-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 12/27/2019] [Indexed: 06/10/2023]
Abstract
This study demonstrates a simple hydrothermal method while can be generalized for controllable synthesis of noble metallic carbonaceous nanostructures (e.g., Au@C, Ag@C) under mild conditions (180-200 °C), which also provides a unique approach for fabricating hollow carbonaceous structures by removal of cores (e.g., silver) via a redox etching process. The microstructure and composition of the as-achieved nanoparticles have been characterized using various microscopic and spectroscopic techniques. Cetyltrimethylammonium bromide (CTAB), serving as a surfactant in the reaction system, plays a key role in the formation of Ag@C, Au@C nanocables, and their corresponding hollow carbonaceous nanotubes in this work. The dynamic growth and formation mechanism of carbonaceous nanostructures was discussed in detail. And finally, laser-induced photothermal property of Au@C nanocomposites was examined. The results may be useful for designing and constructing carbonaceous metal(s) or metal oxide(s) nanostructures with potential applications in the areas of electrochemical catalysis, energy storage, adsorbents, and biomedicine. This study demonstrate a facile hydrothermal synthesis of noble metal carbonaceous nanocomposites (e.g., Au@C) with simple procedures under mild conditions, which can be25expanded as a general method for preparing diverse carbonaceous core-shell nanoparticles. The Au@C carbonaceous nanostructures exhibit interesting UV-Vis properties dependent upon shell thickness.
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Affiliation(s)
- Hongmei Zhu
- School of Mechanical Engineering, University of South China, Hengyang, 421001, Hunan, China
| | - Xuchuan Jiang
- Department of Chemical Engineering, Monash University, Clayton, VIC, 3800, Australia.
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38
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Fan Q, Yang H, Ge J, Zhang S, Liu Z, Lei B, Cheng T, Li Y, Yin Y, Gao C. Customizable Ligand Exchange for Tailored Surface Property of Noble Metal Nanocrystals. RESEARCH (WASHINGTON, D.C.) 2020; 2020:2131806. [PMID: 32025660 PMCID: PMC6998038 DOI: 10.34133/2020/2131806] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 12/17/2019] [Indexed: 11/06/2022]
Abstract
It is highly desirable, while still challenging, to obtain noble metal nanocrystals with custom capping ligands, because their colloidal synthesis relies on specific capping ligands for the shape control while conventional ligand exchange processes suffer from "the strong replaces the weak" limitation, which greatly hinders their applications. Herein, we report a general and effective ligand exchange approach that can replace the native capping ligands of noble metal nanocrystals with virtually any type of ligands, producing flexibly tailored surface properties. The key is to use diethylamine with conveniently switchable binding affinity to the metal surface as an intermediate ligand. As a strong ligand, it in its original form can effectively remove the native ligands; while protonated, it loses its binding affinity and facilitates the adsorption of new ligands, especially weak ones, onto the metal surface. By this means, the irreversible order in the conventional ligand exchange processes could be overcome. The efficacy of the strategy is demonstrated by mutual exchange of the capping ligands among cetyltrimethylammonium, citrate, polyvinylpyrrolidone, and oleylamine. This novel strategy significantly expands our ability to manipulate the surface property of noble metal nanocrystals and extends their applicability to a wide range of fields, particularly biomedical applications.
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Affiliation(s)
- Qikui Fan
- Frontier Institute of Science and Technology, State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Hao Yang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Joint International Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, Jiangsu 215123, China
| | - Juan Ge
- Frontier Institute of Science and Technology, State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Shumeng Zhang
- Frontier Institute of Science and Technology, State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Zhaojun Liu
- Frontier Institute of Science and Technology, State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Bo Lei
- Frontier Institute of Science and Technology, State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Tao Cheng
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Joint International Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, Jiangsu 215123, China
| | - Youyong Li
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Joint International Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, Jiangsu 215123, China
| | - Yadong Yin
- Department of Chemistry, University of California, Riverside, California 92521, USA
| | - Chuanbo Gao
- Frontier Institute of Science and Technology, State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
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Nie C, Du P, Zhao H, Xie H, Li Y, Yao L, Shi Y, Hu L, Si S, Zhang M, Gu J, Luo L, Sun Z. Ag@TiO 2 Nanoprisms with Highly Efficient Near-Infrared Photothermal Conversion for Melanoma Therapy. Chem Asian J 2019; 15:148-155. [PMID: 31802635 DOI: 10.1002/asia.201901394] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 11/18/2019] [Indexed: 01/31/2023]
Abstract
Melanoma is a primary reason of death from skin cancer and associated with high lethality. Photothermal therapy (PTT) has been developed into a powerful cancer treatment technique in recent years. Here, we created a low-cost and high-performance PTT agent, Ag@TiO2 NPs, which possesses a high photothermal conversion efficiency of ≈65 % and strong near-infrared (NIR) absorption about 808 nm. Ag NPs were synthesized using a two-step method and coated with TiO2 to obtain Ag@TiO2 NPs by a facile sol-gel method. Because of the oxide, Ag@TiO2 NPs exhibit remarkable high photothermal conversion efficiencies and biocompatibility in vivo and in vitro. Cytotoxicity and therapeutic efficiency of photothermal cytotoxicity of Ag@TiO2 NPs were tested in B16-F10 cells and C57BL/6J mice. Under light irradiation, the elevated temperature causes cell death in Ag NPs-treated (100 μg mL-1 ) cells in vitro (both p<0.01). In the case of subcutaneous melanoma tumor model, Ag@TiO2 NPs (100 μg mL-1 ) were injected into the tumor and irradiated with a 808 nm laser of 2 W cm-2 for 1 minute. As a consequence, the tumor volume gradually decreased by NIR laser irradiation with only a single treatment. The results demonstrate that Ag@TiO2 NPs are biocompatible and an attractive photothermal agent for cutaneous melanoma by local delivery.
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Affiliation(s)
- Chuang Nie
- Department of Ophthalmology, The 306th Hospital of PLA, Beijing, 100100, China
| | - Peng Du
- Center of Excellence for Environmental Safety and Biological Effects, Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemistry and Chemical Engineering, School of Environmental and Energy, Beijing University of Technology, 100 Pingleyuan, Chaoyang District, Beijing, 100124, China.,Research Institute, Ningde Amperex Technology Limited, Ningde, 352100, China
| | - Hongwei Zhao
- Department of Ophthalmology, The 306th Hospital of PLA, Beijing, 100100, China
| | - Hainan Xie
- Department of Ophthalmology, Hainan hospital of PLA General Hospital, Sanya, 572013, China
| | - Yuxin Li
- Department of Ophthalmology, The 306th Hospital of PLA, Beijing, 100100, China
| | - Li Yao
- Ophthalmology Department, Zhuzhou Central Hospital, Zhuzhou, 412000, China
| | - Yuanyuan Shi
- Department of Ophthalmology, The 306th Hospital of PLA, Beijing, 100100, China
| | - Lianna Hu
- Department of Ophthalmology, The 306th Hospital of PLA, Beijing, 100100, China
| | - Shaoyan Si
- Department of Ophthalmology, The 306th Hospital of PLA, Beijing, 100100, China
| | - Maonian Zhang
- Department of Ophthalmology, The 301st Hospital of PLA, Beijing, 100039, China
| | - Jianwen Gu
- Department of Ophthalmology, The 306th Hospital of PLA, Beijing, 100100, China
| | - Ling Luo
- Department of Ophthalmology, The 306th Hospital of PLA, Beijing, 100100, China
| | - Zaicheng Sun
- Center of Excellence for Environmental Safety and Biological Effects, Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemistry and Chemical Engineering, School of Environmental and Energy, Beijing University of Technology, 100 Pingleyuan, Chaoyang District, Beijing, 100124, China
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Zhang Z, Yu J, Zhang J, Lian Y, Shi Z, Cheng Z, Gu M. pH-controlled growth of triangular silver nanoprisms on a large scale. NANOSCALE ADVANCES 2019; 1:4904-4908. [PMID: 36133112 PMCID: PMC9417681 DOI: 10.1039/c9na00635d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 11/04/2019] [Indexed: 06/16/2023]
Abstract
A simple, mild, and reproducible one-pot approach was developed to synthesize triangular silver nanoprisms (TSNPRs) on a large scale. The TSNPR size was tailored from 30 to 100 nm by varying the dosage of a sodium hydroxide pentanol solution in the water/polyvinylpyrrolidone/n-pentanol ternary system. The use of the sodium hydroxide pentanol solution modified the initial pH of the water/polyvinylpyrrolidone/n-pentanol system and made the synthesis of TSNPRs highly reproducible and independent of the polyvinylpyrrolidone pH. N,N-dimethyl formamide and formamide were used to control the system pH and improved the resultant TSNPRs in both syntheses repeatedly to have a well-defined shape. The extinction bands of the TSNPRs were relatively narrow, which makes them promising for chemical and biological applications.
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Affiliation(s)
- Zhishan Zhang
- National Laboratory of Solid State Microstructures, Department of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University Nanjing 210093 P. R. China
| | - Ji Yu
- National Laboratory of Solid State Microstructures, Department of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University Nanjing 210093 P. R. China
| | - Jianhui Zhang
- National Laboratory of Solid State Microstructures, Department of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University Nanjing 210093 P. R. China
| | - Yadong Lian
- National Laboratory of Solid State Microstructures, Department of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University Nanjing 210093 P. R. China
| | - Zeyu Shi
- National Laboratory of Solid State Microstructures, Department of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University Nanjing 210093 P. R. China
| | - Zimo Cheng
- National Laboratory of Solid State Microstructures, Department of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University Nanjing 210093 P. R. China
| | - Min Gu
- National Laboratory of Solid State Microstructures, Department of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University Nanjing 210093 P. R. China
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Ahmad N, Bon M, Passerone D, Erni R. Template-Assisted in Situ Synthesis of Ag@Au Bimetallic Nanostructures Employing Liquid-Phase Transmission Electron Microscopy. ACS NANO 2019; 13:13333-13342. [PMID: 31647643 DOI: 10.1021/acsnano.9b06614] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Noble metal nanostructure synthesis via seed-mediated route is a widely adopted strategy for a plethora of nanocrystal systems. Ag@Au core-shell nanostructures are radiolytically grown in real-time using in situ liquid-cell (scanning) transmission electron microscopy. Here we employ a capping agent, dimethyl-amine (DMA) and a coordinating complex, potassium iodide (KI) in an organic solvent (methanol) in order to (1) slow down the reaction kinetics to observe mechanistic insights into the overgrowth process and (2) shift the growth regime from galvanic-replacement mode to direct synthesis mode resulting in the conventional synthesis of Ag@Au core-shell structures. A theoretical approach based on classical simulations complements our experiments, providing further insight on the growth modes. In particular, we focus on the shape evolution and chemical ordering, as currently there is an insufficient understanding regarding mixed composition phases at interfaces of alloys even with well-known miscibilities. Furthermore, the comparison of theoretical and experimental data reveals that the final morphology of these nanoalloys is not simply a function of crystallinity of the underlying seed structure but instead is readily modified by extrinsic parameters such as additives, capping agent, and modulation of surface energies of exposed crystal surfaces by the encapsulating solvent. The impact of these additional parameters is systematically investigated using an empirical approach in light of ab initio simulations.
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Affiliation(s)
- Nabeel Ahmad
- Electron Microscopy Center , Empa , Überlandstrasse 129 , CH-8600 Dübendorf , Switzerland
| | - Marta Bon
- Electron Microscopy Center , Empa , Überlandstrasse 129 , CH-8600 Dübendorf , Switzerland
| | - Daniele Passerone
- nanotech@surfaces , Empa , Überlandstrasse 129 , CH-8600 Dübendorf , Switzerland
| | - Rolf Erni
- Electron Microscopy Center , Empa , Überlandstrasse 129 , CH-8600 Dübendorf , Switzerland
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Xie S, Fu T, He L, Qiu L, Liu H, Tan W. DNA-Capped Silver Nanoflakes as Fluorescent Nanosensor for Highly Sensitive Imaging of Endogenous H2S in Cell Division Cycles. Anal Chem 2019; 91:15404-15410. [DOI: 10.1021/acs.analchem.9b02527] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Sitao Xie
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Bio Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, and Collaborative Research Center of Molecular Engineering for Theranostics, Hunan University, Changsha 410082, China
| | - Ting Fu
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Bio Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, and Collaborative Research Center of Molecular Engineering for Theranostics, Hunan University, Changsha 410082, China
| | - Lei He
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Bio Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, and Collaborative Research Center of Molecular Engineering for Theranostics, Hunan University, Changsha 410082, China
| | - Liping Qiu
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Bio Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, and Collaborative Research Center of Molecular Engineering for Theranostics, Hunan University, Changsha 410082, China
| | - Honglin Liu
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Bio Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, and Collaborative Research Center of Molecular Engineering for Theranostics, Hunan University, Changsha 410082, China
- School of Food and Biological Engineering, Hefei University of Technology, Anhui 230009, China
| | - Weihong Tan
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Bio Sensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, and Collaborative Research Center of Molecular Engineering for Theranostics, Hunan University, Changsha 410082, China
- Department of Chemistry and Physiology and Functional Genomics, Center for Research at the Bio/Nano Interface, Shands Cancer Center, University of Florida, Gainesville, Florida 32611-7200, United States
- Institute of Molecular Medicine, Renji Hospital, School of Medicine and College of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
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Ma J, Liu W, Ma Z, Song P, Zhao Y, Yang F, Wang X. Rapidly fabricating a large area nanotip microstructure for high-sensitivity SERS applications. NANOSCALE 2019; 11:20194-20198. [PMID: 31617548 DOI: 10.1039/c9nr05168f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Here, we propose a novel nanotip microstructure which can be easily fabricated through a simply Reactive Ion Etching (RIE) process combined with anodic aluminum oxide (AAO) membranes. When combined with Ag coating and annealing on the surface of micro-sized nanotip arrays, the as-formed Ag-nanoparticles (Ag-NPs)/Si-nanotip hybrid structure exhibited a significantly high enhancement factor and highly sensitive surface enhanced Raman scattering (SERS) for rhodamine 6G molecules. The nanotip microstructure showed a sharp curvature with an apex diameter which significantly affected the SERS results. The Ag-NPs/Si-nanotip hybrid structure verified a very prominent "hot spot" effect that exists around the nanotip structures, which contributed mainly to an enhanced SERS signal with an enhancement factor (EF) of 1.6 × 106. Moreover, the Ag-NPs/Si-nanotip hybrid structure demonstrated superior sensitivity, with obvious featured Raman peaks even when the concentration was as low as 10-10 M. Our work demonstrated a feasible way to prepare a novel nanotip microstructure with a highly localized surface plasmon resonance response which could be feasibly applied for highly sensitive and reproducible SERS applications.
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Affiliation(s)
- Jing Ma
- Engineering Research Center for Semiconductor Integrated Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China. and Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wen Liu
- Engineering Research Center for Semiconductor Integrated Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China.
| | - Zhe Ma
- Engineering Research Center for Semiconductor Integrated Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China. and Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Peishuai Song
- Engineering Research Center for Semiconductor Integrated Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China. and School of microelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yongqiang Zhao
- Engineering Research Center for Semiconductor Integrated Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China. and Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fuhua Yang
- Engineering Research Center for Semiconductor Integrated Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China. and State Key Laboratory for Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
| | - Xiaodong Wang
- Engineering Research Center for Semiconductor Integrated Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China. and Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China and School of microelectronics, University of Chinese Academy of Sciences, Beijing 100049, China and Beijing Academy of Quantum Information Science, Beijing 100193, China and Beijing Engineering Research Center of Semiconductor Micro-Nano Integrated Technology, Beijing 100083, China
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44
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Zhang Y, Zhang L, Wang L, Wang G, Komiyama M, Liang X. Colorimetric determination of mercury(II) ion based on DNA-assisted amalgamation: a comparison study on gold, silver and Ag@Au Nanoplates. Mikrochim Acta 2019; 186:713. [PMID: 31650278 DOI: 10.1007/s00604-019-3873-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 09/26/2019] [Indexed: 11/28/2022]
Abstract
Inspired by the increasing use of plasmonic gold and silver nanoplates as probes for diverse analytes, the research community often questions which metal nanoplates should be chosen for a given application. A comparative study was performed on the performance and physicochemical properties of three types of metal nanoplates for use in plasmonic detection of Hg(II) ion. Specifically, gold, silver and Ag@Au nanoplates were studied. The established amalgamation method integrated into a detection scheme using nanoplates affords a unique yet straightforward signaling and extraction route for selective recognition of Hg(II) ion. Upon transformation of Hg(II) ion to metallic mercury, nanoplate amalgamation takes place instantly. This reshapes both the morphology and the optical characteristics of nanoplates. It is found that gold and Ag@Au nanoplates enable highly selective quantitation of Hg(II) ion by using a DNA oligomer consisting of poly-deoxycytidine (poly(C)) as a masking agent against Ag(I) ion. The silver nanoplates, in turn, display the best sensitivity owing to the chemical instability. The induced surface plasmonic shifts (of up to 250 nm and color changes from red to green) allows for determination of Hg(II) over a wide range and with a limit of detection of ~10 nM. It is recommended that the gold and Ag@Au nanoplates are used in relatively complex systems, while silver nanoplates are suited for simple matrices. Graphic abstract The amalgamation process integrated with metal (e.g., Au, Ag and Ag@Au) nanoplates affords plasmonic detection of Hg(II) ion with the aid of a poly(c) DNA sequence as the masking agent for Ag(I) ion.
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Affiliation(s)
- Yao Zhang
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China
| | - Lan Zhang
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China
| | - Luyang Wang
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China
| | - Guoqing Wang
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China.
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266237, China.
| | - Makoto Komiyama
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China
| | - Xingguo Liang
- College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China.
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266237, China.
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Yoo Y, Kim SI, Han S, Lee H, Kim J, Kim HS, Ahn JP, Kang T, Choo J, Kim B. Epitaxially aligned submillimeter-scale silver nanoplates grown by simple vapor transport. NANOSCALE 2019; 11:17436-17443. [PMID: 31531447 DOI: 10.1039/c9nr04422a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Epitaxially aligned large silver (Ag) nanoplate arrays with ultraclean surfaces are very attractive for novel plasmonic applications. Although solution-phase methods have been extensively employed to synthesize Ag nanoplates, these cannot be used to grow epitaxial large Ag nanoplates on substrates. Here we report a vapor-phase synthetic strategy to epitaxially grow submillimeter-scale Ag nanoplates on a variety of substrates. By simply transporting Ag vapor to the substrates at an optimal temperature (820 °C), we synthesize ∼100 μm-sized Ag nanoplates with atomically clean surfaces, which are three-dimensionally aligned on the substrates. We demonstrate that both the type of supported seed and their interfacial lattice matching with the substrates determine the epitaxial growth habit of the nanoplates, directing their crystallinity, shape, and orientation. (i) On r-cut sapphire substrates, twinned pentagonal nanoplates grow vertically from twinned triangular seeds through a seed → nanoplate process. (ii) On m-cut sapphire substrates, twinned trapezoidal Ag nanoplates grow slantingly from twinned decahedral seeds through a seed → NW → nanoplate process. (iii) Interestingly, twin-free single-crystalline trapezoidal Ag nanoplates grow from twin-free square pyramidal seeds on STO (001) substrates through a seed → NW → nanoplate process. The epitaxially aligned Ag nanoplate arrays could serve as a new platform for two-dimensional (2D) guiding of surface plasmons as well as for hierarchical 3D plasmonic nanoarchitecturing.
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Affiliation(s)
- Youngdong Yoo
- Department of Chemistry, Ajou University, Suwon 16499, Korea
| | - Si-In Kim
- Department of Chemistry, KAIST, Daejeon 34141, Korea.
| | - Sol Han
- Department of Chemistry, KAIST, Daejeon 34141, Korea.
| | - Hyoban Lee
- Department of Chemistry, KAIST, Daejeon 34141, Korea.
| | - Jihwan Kim
- Department of Chemistry, KAIST, Daejeon 34141, Korea.
| | - Han Sung Kim
- Advanced Analysis Center, KIST, Seoul 02792, Korea
| | | | - Taejoon Kang
- Bionanotechnology Research Center, KRIBB, Daejeon 34141, Korea and Department of Nanobiotechnology, KRIBB School of Biotechnology, UST, Daejeon 34113, Korea
| | - Jaebum Choo
- Department of Chemistry, Chung-Ang University, Seoul 06974, Korea
| | - Bongsoo Kim
- Department of Chemistry, KAIST, Daejeon 34141, Korea.
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Wang S, Liu J, Qiu S, Yu J. Facile fabrication of Cu 9-S 5 loaded core-shell nanoparticles for near infrared radiation mediated tumor therapeutic strategy in human esophageal squamous carcinoma cells nursing care of esophageal cancer patients. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2019; 199:111583. [PMID: 31472461 DOI: 10.1016/j.jphotobiol.2019.111583] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 07/18/2019] [Accepted: 08/01/2019] [Indexed: 02/07/2023]
Abstract
Copper chalcogenides have been exhibited to be an encouraging photothermal operator because of their great photothermal transformation proficiency, engineered effortlessness, and ease. Notwithstanding, the hydrophobic and low biocompatibility attributes related with their manufactured procedures hamper broadly natural applications. An elective methodology for improve hydrophilic nature and biocompatibility to coating into the copper-based chalcogenide nanostructures containing core shell silica materials. In this manuscript, the level headed planning configuration results in effective covering silica nanostructures onto the synthesized Cu9S5 to form Cu9S5@MS core-shell nanostructures. The structural formation and nanostructures of prepared nanomaterials with core shell structure were confirmed via analysis of transmission microscopic and particles distribution investigates, which infers that Cu9S5@MS has been organized by nano level with high stability. Also, the formation of Cu9S5@MS was confirmed by UV-Visible and X-ray techniques. As-prepared Cu9S5@MS nanovesicles display good biocompatibility, and are successfully utilized for photothermal removal of disease cells and NIR therapy. Additionally, the mode of cell death in esophageal squamous carcinoma cells were monitored various staining techniques (AO and EB, nuclear staining and flowcytometry). Further, we evaluated by the human esophageal squamous cancer cell lines to observe cell cycle arrest ability. Significantly, we demonstrate the combination of photothermal and chemotherapeutic techniques through the prepared nanovesicles exhibits outstanding impacts in the treatment of esophageal cancer therapies in vitro and in vivo.
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Affiliation(s)
- Shufang Wang
- Endoscopy room, The Second Affiliated Hospital of Nanchang University, Jiangxi Province, China
| | - Jialiang Liu
- Endoscopy room, The Second Affiliated Hospital of Nanchang University, Jiangxi Province, China
| | - Shifa Qiu
- Endoscopy room, The Second Affiliated Hospital of Nanchang University, Jiangxi Province, China
| | - Jianmin Yu
- Endoscopy room, The Second Affiliated Hospital of Nanchang University, Jiangxi Province, China.
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Feng J, Yin Y. Self-Templating Approaches to Hollow Nanostructures. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1802349. [PMID: 30155924 DOI: 10.1002/adma.201802349] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 05/23/2018] [Indexed: 06/08/2023]
Abstract
This current research progress on the fabrication of hollow nanostructures by using self-templating methods is reviewed. After a brief introduction to the unique properties and applications of hollow nanostructures and the three general fabrication routes, the discussions are focused on the five main self-templating strategies, including galvanic replacement, the Kirkendall effect, Ostwald ripening, dissolution-regrowth, and the surface-protected hollowing process. Some newly developed synthetic routes are selected and discussed in detail. In conclusion, a summary and the perspectives on the directions that might lead the future development of this exciting field are presented.
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Affiliation(s)
- Ji Feng
- Department of Chemistry, University of California, Riverside, CA, 92521, USA
| | - Yadong Yin
- Department of Chemistry, University of California, Riverside, CA, 92521, USA
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Feng Y, Wang G, Chang Y, Cheng Y, Sun B, Wang L, Chen C, Zhang H. Electron Compensation Effect Suppressed Silver Ion Release and Contributed Safety of Au@Ag Core-Shell Nanoparticles. NANO LETTERS 2019; 19:4478-4489. [PMID: 31244230 DOI: 10.1021/acs.nanolett.9b01293] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Silver nanoparticles (Ag NPs) have promising plasmonic properties, however, they are rarely used in biomedical applications because of their potent toxicity. Herein, an electron compensation effect from Au to Ag was applied to design safe Au@Ag core-shell NPs. The Ag shell thickness was precisely regulated to enable the most efficient electron enrichment in Ag shell of Au@Ag2.4 NPs, preventing Ag oxidation and subsequent Ag+ ion release. X-ray photoelectron spectroscopy and X-ray absorption near-edge structure analysis revealed the electron transfer process from Au core to Ag shell, and inductively coupled plasma optical emission spectroscopy analysis confirmed the low Ag+ ion release from Au@Ag2.4 NPs. Bare Au@Ag2.4 NPs showed much lower toxicological responses than Ag NPs in BEAS-2B and Raw 264.7 cells and acute lung inflammation mouse models, and PEGylation of Au@Ag2.4 NPs could further improve their safety to L02 and HEK293T cells as well as mice through intravenous injection. Further, diethylthiatri carbocyanine iodide attached pAu@Ag2.4 NPs exhibited intense surface-enhanced Raman scattering signals and were used for Raman imaging of MCF7 cells and Raman biosensing in MCF7 tumor-bearing mice. This electron compensation effect opens up new opportunity for broadening biomedical application of Ag-based NPs.
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Affiliation(s)
- Yanlin Feng
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P.R. China
- University of Science and Technology of China , Hefei , Anhui 230026 , P.R. China
| | - Guorui Wang
- Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education , Northeast Normal University , Changchun 130024 , P.R. China
| | - Yun Chang
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P.R. China
| | - Yan Cheng
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P.R. China
| | - Bingbing Sun
- School of Chemical Engineering , Dalian University of Technology , Dalian 116024 , P.R. China
| | - Liming Wang
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, Institute of High Energy Physics, and National Center for Nanoscience and Technology of China , Chinese Academy of Sciences , Beijing 100049 , P.R. China
| | - Chunying Chen
- CAS Key Lab for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, Institute of High Energy Physics, and National Center for Nanoscience and Technology of China , Chinese Academy of Sciences , Beijing 100049 , P.R. China
| | - Haiyuan Zhang
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P.R. China
- University of Science and Technology of China , Hefei , Anhui 230026 , P.R. China
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Oliveira-Silva R, Sousa-Jerónimo M, Botequim D, Silva NJO, Prazeres DMF, Paulo PMR. Density Gradient Selection of Colloidal Silver Nanotriangles for Assembling Dye-Particle Plasmophores. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E893. [PMID: 31216629 PMCID: PMC6631754 DOI: 10.3390/nano9060893] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 06/07/2019] [Accepted: 06/11/2019] [Indexed: 12/20/2022]
Abstract
A simple method based on sucrose density gradient centrifugation is proposed here for the fractionation of colloidal silver nanotriangles. This method afforded particle fractions with surface plasmon resonances, spanning from red to infrared spectral ranges that could be used to tune optical properties for plasmonic applications. This feature was exemplified by selecting silver nanotriangle samples with spectral overlap with Atto-655 dye's absorption and emission in order to assemble dye-particle plasmophores. The emission brightness of an individual plasmophore, as characterized by fluorescence correlation spectroscopy, is at least 1000-fold more intense than that of a single Atto-655 dye label, which renders them as promising platforms for the development of fluorescence-based nanosensors.
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Affiliation(s)
- Rui Oliveira-Silva
- iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal.
- Departamento de Física and CICECO, Aveiro Institute of Materials, Universidade de Aveiro, 3810-193 Aveiro, Portugal.
| | - Mariana Sousa-Jerónimo
- iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal.
| | - David Botequim
- iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal.
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal.
| | - Nuno J O Silva
- Departamento de Física and CICECO, Aveiro Institute of Materials, Universidade de Aveiro, 3810-193 Aveiro, Portugal.
| | - Duarte M F Prazeres
- iBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal.
| | - Pedro M R Paulo
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal.
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Loiseau A, Asila V, Boitel-Aullen G, Lam M, Salmain M, Boujday S. Silver-Based Plasmonic Nanoparticles for and Their Use in Biosensing. BIOSENSORS-BASEL 2019; 9:bios9020078. [PMID: 31185689 PMCID: PMC6627098 DOI: 10.3390/bios9020078] [Citation(s) in RCA: 154] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 05/27/2019] [Accepted: 05/31/2019] [Indexed: 12/11/2022]
Abstract
The localized surface plasmon resonance (LSPR) property of metallic nanoparticles is widely exploited for chemical and biological sensing. Selective biosensing of molecules using functionalized nanoparticles has become a major research interdisciplinary area between chemistry, biology and material science. Noble metals, especially gold (Au) and silver (Ag) nanoparticles, exhibit unique and tunable plasmonic properties; the control over these metal nanostructures size and shape allows manipulating their LSPR and their response to the local environment. In this review, we will focus on Ag-based nanoparticles, a metal that has probably played the most important role in the development of the latest plasmonic applications, owing to its unique properties. We will first browse the methods for AgNPs synthesis allowing for controlled size, uniformity and shape. Ag-based biosensing is often performed with coated particles; therefore, in a second part, we will explore various coating strategies (organics, polymers, and inorganics) and their influence on coated-AgNPs properties. The third part will be devoted to the combination of gold and silver for plasmonic biosensing, in particular the use of mixed Ag and AuNPs, i.e., AgAu alloys or Ag-Au core@shell nanoparticles will be outlined. In the last part, selected examples of Ag and AgAu-based plasmonic biosensors will be presented.
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Affiliation(s)
- Alexis Loiseau
- Laboratoire de Réactivité de Surface (LRS), Sorbonne Université, CNRS, UMR 7197, 4 place Jussieu, F-75005 Paris, France.
| | - Victoire Asila
- Sorbonne Université, Faculté des Sciences et Ingénierie, Master de Chimie, Profil MatNanoBio, 4 place Jussieu, F-75005 Paris, France.
| | - Gabriel Boitel-Aullen
- Sorbonne Université, Faculté des Sciences et Ingénierie, Master de Chimie, Profil MatNanoBio, 4 place Jussieu, F-75005 Paris, France.
| | - Mylan Lam
- Sorbonne Université, Faculté des Sciences et Ingénierie, Master de Chimie, Profil MatNanoBio, 4 place Jussieu, F-75005 Paris, France.
| | - Michèle Salmain
- Institut Parisien de Chimie Moléculaire (IPCM), Sorbonne Université, CNRS, 4 place Jussieu, F-75005 Paris, France.
| | - Souhir Boujday
- Laboratoire de Réactivité de Surface (LRS), Sorbonne Université, CNRS, UMR 7197, 4 place Jussieu, F-75005 Paris, France.
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