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Yoon J, Moon JH, Chung J, Kim YJ, Kim K, Kang HS, Jeon YS, Oh E, Lee SH, Han K, Lee D, Lee CH, Kim YK, Lee D. Exploring the Magnetic Properties of Individual Barcode Nanowires using Wide-Field Diamond Microscopy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2304129. [PMID: 37264689 DOI: 10.1002/smll.202304129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 05/22/2023] [Indexed: 06/03/2023]
Abstract
A barcode magnetic nanowire typically comprises a multilayer magnetic structure in a single body with more than one segment type. Interestingly, due to selective functionalization and novel interactions between the layers, it has attracted significant attention, particularly in bioengineering. However, analyzing the magnetic properties at the individual nanowire level remains challenging. Herein, the characterization of a single magnetic nanowire is investigated at room temperature under ambient conditions based on magnetic images obtained via wide-field quantum microscopy with nitrogen-vacancy centers in diamond. Consequently, critical magnetic properties of a single nanowire can be extracted, such as saturation magnetization and coercivity, by comparing the experimental result with that of micromagnetic simulation. This study opens up the possibility for a versatile in situ characterization method suited to individual magnetic nanowires.
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Affiliation(s)
- Jungbae Yoon
- Department of Physics, Korea University, Seoul, 02841, Republic of Korea
| | - Jun Hwan Moon
- Department of Materials Science and Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Jugyeong Chung
- Department of Physics, Korea University, Seoul, 02841, Republic of Korea
| | - Yu Jin Kim
- Institute for High Technology Materials and Devices, Korea University, Seoul, 02841, Republic of Korea
| | - Kihwan Kim
- Department of Physics, Korea University, Seoul, 02841, Republic of Korea
| | - Hee Seong Kang
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, 02841, Republic of Korea
| | - Yoo Sang Jeon
- Center for Hydrogen∙Fuel Cell Research, Korea Institute of Science and Technology, Seoul, 02792, Republic of Korea
| | - Eunsoo Oh
- Department of Materials Science and Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Sun Hwa Lee
- Center for Multidimensional Carbon Materials (CMCM), Institute for Basic Science (IBS), Ulsan, 44919, Republic of Korea
| | - Kihoon Han
- BK21 Graduate Program, Department of Biomedical Sciences, Korea University College of Medicine, Seoul, 02841, Republic of Korea
- Department of Neuroscience, Korea University College of Medicine, Seoul, 02841, Republic of Korea
| | - Dongmin Lee
- BK21 Graduate Program, Department of Biomedical Sciences, Korea University College of Medicine, Seoul, 02841, Republic of Korea
- Department of Anatomy, Korea University College of Medicine, Seoul, 02841, Republic of Korea
| | - Chul-Ho Lee
- Department of Electrical and Computer Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Young Keun Kim
- Department of Materials Science and Engineering, Korea University, Seoul, 02841, Republic of Korea
- Institute for High Technology Materials and Devices, Korea University, Seoul, 02841, Republic of Korea
| | - Donghun Lee
- Department of Physics, Korea University, Seoul, 02841, Republic of Korea
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Munir S, Ahmed S, Ibrahim M, Khalid M, Ojha SC. A Spellbinding Interplay Between Biological Barcoding and Nanotechnology. Front Bioeng Biotechnol 2020; 8:883. [PMID: 33014994 PMCID: PMC7506030 DOI: 10.3389/fbioe.2020.00883] [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] [Received: 04/27/2020] [Accepted: 07/09/2020] [Indexed: 11/13/2022] Open
Abstract
Great scientific research with improved potential in probing biological locales has remained a giant stride. The use of bio-barcodes with the potential use of nanotechnology is a hallmark being developed among recent advanced techniques. Biobarcoding is a novel method used for screening biomolecules to identify and divulge ragbag biodiversity. It establishes successful barcoding projects in the field of nanomedical technology for massively testing disease diagnosis and treatment. Biobarcoding and nanotechnology are recently developed technologies that provide unique opportunities and challenges for multiplex detection such as DNAs, proteins and nucleic acids of animals, plants, viruses, and various other species. These technologies also clump drug delivery, gene delivery, and DNA sequencing. Bio-barcode amplification assay (BCA) is used at large for the detection and identification of proteins and DNAs. DNA barcoding combined with nanotechnology has been proven highly sensitive rendering fast uniplex and multiplex detection of pathogens in food, blood, and other specimens. This review takes a panoramic view of current advances in nano bio-barcodes which have been summarized to explore additional applications such as detection of cytokines, neurotransmitters, cancer markers, prostate-specific antigens, and allergens. In the future, it will also be possible to detect some fungi, algae, protozoa, and other pollutants in food, agriculture, and clinical samples. Using these technologies, specific and efficient sensors would possibly be developed that can perform swift detections of antigens, allergens, and other specimens.
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Affiliation(s)
- Shehla Munir
- Department of Biochemistry, Bahauddin Zakariya University, Multan, Pakistan
| | - Sarfraz Ahmed
- Department of Basic Sciences, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Muhammad Ibrahim
- Department of Biochemistry, Bahauddin Zakariya University, Multan, Pakistan
| | - Muhammad Khalid
- Department of Chemistry, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan, Pakistan
| | - Suvash Chandra Ojha
- Department of Infectious Diseases, The Affiliated Hospital of Southwest Medical University, Luzhou, China
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Wang DS, Mukhtar A, Wu KM, Gu L, Cao X. Multi-Segmented Nanowires: A High Tech Bright Future. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E3908. [PMID: 31779229 PMCID: PMC6927002 DOI: 10.3390/ma12233908] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 11/18/2019] [Accepted: 11/19/2019] [Indexed: 12/27/2022]
Abstract
In the last couple of decades, there has been a lot of progress in the synthesis methods of nano-structural materials, but still the field has a large number of puzzles to solve. Metal nanowires (NWs) and their alloys represent a sub category of the 1-D nano-materials and there is a large effort to study the microstructural, physical and chemical properties to use them for further industrial applications. Due to technical limitations of single component NWs, the hetero-structured materials gained attention recently. Among them, multi-segmented NWs are more diverse in applications, consisting of two or more segments that can perform multiple function at a time, which confer their unique properties. Recent advancement in characterization techniques has opened up new opportunities for understanding the physical properties of multi-segmented structures of 1-D nanomaterials. Since the multi-segmented NWs needs a reliable response from an external filed, numerous studies have been done on the synthesis of multi-segmented NWs to precisely control the physical properties of multi-segmented NWs. This paper highlights the electrochemical synthesis and physical properties of multi-segmented NWs, with a focus on the mechanical and magnetic properties by explaining the shape, microstructure, and composition of NWs.
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Affiliation(s)
| | - Aiman Mukhtar
- The State Key Laboratory of Refractories and Metallurgy, International Research Institute for Steel Technology, Collaborative Innovation Center for Advanced Steels, Wuhan University of Science and Technology, Wuhan 430081, China; (D.-S.W.); ; (L.G.)
| | - Kai-Ming Wu
- The State Key Laboratory of Refractories and Metallurgy, International Research Institute for Steel Technology, Collaborative Innovation Center for Advanced Steels, Wuhan University of Science and Technology, Wuhan 430081, China; (D.-S.W.); ; (L.G.)
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Shikha S, Salafi T, Cheng J, Zhang Y. Versatile design and synthesis of nano-barcodes. Chem Soc Rev 2017; 46:7054-7093. [DOI: 10.1039/c7cs00271h] [Citation(s) in RCA: 120] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Abstract
This review provides a critical discussion on the versatile designing and usage of nano-barcodes for various existing and emerging applications.
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Affiliation(s)
- Swati Shikha
- Department of Biomedical Engineering
- Faculty of Engineering
- National University of Singapore (NUS)
- 117583 Singapore
| | - Thoriq Salafi
- Department of Biomedical Engineering
- Faculty of Engineering
- National University of Singapore (NUS)
- 117583 Singapore
- NUS Graduate School for Integrative Sciences and Engineering
| | - Jinting Cheng
- Institute of Materials Research and Engineering (IMRE)
- Agency for Science
- Technology and Research (A*STAR)
- Singapore
| | - Yong Zhang
- Department of Biomedical Engineering
- Faculty of Engineering
- National University of Singapore (NUS)
- 117583 Singapore
- NUS Graduate School for Integrative Sciences and Engineering
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Pérez-Page M, Yu E, Li J, Rahman M, Dryden DM, Vidu R, Stroeve P. Template-based syntheses for shape controlled nanostructures. Adv Colloid Interface Sci 2016; 234:51-79. [PMID: 27154387 DOI: 10.1016/j.cis.2016.04.001] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Revised: 04/06/2016] [Accepted: 04/07/2016] [Indexed: 11/28/2022]
Abstract
A variety of nanostructured materials are produced through template-based synthesis methods, including zero-dimensional, one-dimensional, and two-dimensional structures. These span different forms such as nanoparticles, nanowires, nanotubes, nanoflakes, and nanosheets. Many physical characteristics of these materials such as the shape and size can be finely controlled through template selection and as a result, their properties as well. Reviewed here are several examples of these nanomaterials, with emphasis specifically on the templates and synthesis routes used to produce the final nanostructures. In the first section, the templates have been discussed while in the second section, their corresponding synthesis methods have been briefly reviewed, and lastly in the third section, applications of the materials themselves are highlighted. Some examples of the templates frequently encountered are organic structure directing agents, surfactants, polymers, carbon frameworks, colloidal sol-gels, inorganic frameworks, and nanoporous membranes. Synthesis methods that adopt these templates include emulsion-based routes and template-filling approaches, such as self-assembly, electrodeposition, electroless deposition, vapor deposition, and other methods including layer-by-layer and lithography. Template-based synthesized nanomaterials are frequently encountered in select fields such as solar energy, thermoelectric materials, catalysis, biomedical applications, and magnetowetting of surfaces.
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Affiliation(s)
- María Pérez-Page
- Department of Chemical Engineering, University of California Davis, Davis, CA, 95616, United States
| | - Erick Yu
- Department of Chemical Engineering, University of California Davis, Davis, CA, 95616, United States; Department of Materials Science and Engineering, University of California Davis, Davis, CA, 95616, United States
| | - Jun Li
- Department of Chemical Engineering, University of California Davis, Davis, CA, 95616, United States
| | - Masoud Rahman
- Department of Chemical Engineering, University of California Davis, Davis, CA, 95616, United States
| | - Daniel M Dryden
- Department of Chemical Engineering, University of California Davis, Davis, CA, 95616, United States; Department of Materials Science and Engineering, University of California Davis, Davis, CA, 95616, United States
| | - Ruxandra Vidu
- Department of Chemical Engineering, University of California Davis, Davis, CA, 95616, United States; Department of Materials Science and Engineering, University of California Davis, Davis, CA, 95616, United States
| | - Pieter Stroeve
- Department of Chemical Engineering, University of California Davis, Davis, CA, 95616, United States.
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Barcoded materials based on photoluminescent hybrid system of lanthanide ions-doped metal organic framework and silica via ion exchange. J Colloid Interface Sci 2016; 468:220-226. [DOI: 10.1016/j.jcis.2016.01.055] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2015] [Revised: 01/19/2016] [Accepted: 01/25/2016] [Indexed: 11/17/2022]
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7
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Wu H, Lin Q, Batchelor-McAuley C, Gonçalves LM, Lima CFRAC, Compton RG. Stochastic detection and characterisation of individual ferrocene derivative tagged graphene nanoplatelets. Analyst 2016; 141:2696-703. [DOI: 10.1039/c5an02550h] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Graphene nanoplatelets (GNPs) are ‘tagged’ with 1-(biphen-4-yl)ferrocene, which has been studied via nano-impacts to derive the corresponding surface coverage.
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Affiliation(s)
- Haoyu Wu
- Department of Chemistry
- Physical and Theoretical Chemistry Laboratory
- University of Oxford
- Oxford OX1 3QZ
- UK
| | - Qianqi Lin
- Department of Chemistry
- Physical and Theoretical Chemistry Laboratory
- University of Oxford
- Oxford OX1 3QZ
- UK
| | | | - Luís Moreira Gonçalves
- LAQV-REQUIMTE
- Departamento de Química e Bioquímica
- Faculdade de Ciências da Universidade do Porto
- 4169-007 Porto
- Portugal
| | - Carlos F. R. A. C. Lima
- CIQ
- Departamendo de Química e Bioquímica
- Faculdade de Ciências da Universidade do Porto
- 4169-007 Porto
- Portugal
| | - Richard G. Compton
- Department of Chemistry
- Physical and Theoretical Chemistry Laboratory
- University of Oxford
- Oxford OX1 3QZ
- UK
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8
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Jia R, Gao T, Yang Y, Sun W, Chen R, Yan P, Hou G. Luminescence of Salen Lanthanide Bimetallic Complexes: Dual Emission and Energy Transfer. Z Anorg Allg Chem 2015. [DOI: 10.1002/zaac.201500138] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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He J, Wang Y, Fan Z, Lam Z, Zhang H, Liu B, Chen H. Substrate-bound growth of Au-Pd diblock nanowire and hybrid nanorod-plate. NANOSCALE 2015; 7:8115-8121. [PMID: 25874443 DOI: 10.1039/c5nr00361j] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We expand the scope of the previously developed Active Surface Growth mode for growing substrate-bound ultrathin Pd (d = 4 nm) and Ag nanowires (d = 30 nm) in aqueous solution under ambient conditions. Using Au nanorods as the seeds, selective growth at the contact line between the rod and the substrate eventually leads to an attached Pd nanoplate. The unique growth mode also allows sequential growth of different materials via a single seed, giving substrate-bound Au-Pd diblock nanowires. The new abilities to use seed shape to pre-define the active sites and to apply sequential growth open windows for new pathways to hybrid nanostructures.
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Affiliation(s)
- Jiating He
- Division of Chemistry and Biological Chemistry, Nanyang Technological University, 637371, Singapore.
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10
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Schubert I, Burr L, Trautmann C, Toimil-Molares ME. Growth and morphological analysis of segmented AuAg alloy nanowires created by pulsed electrodeposition in ion-track etched membranes. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2015; 6:1272-1280. [PMID: 26199830 PMCID: PMC4505191 DOI: 10.3762/bjnano.6.131] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Accepted: 05/11/2015] [Indexed: 05/21/2023]
Abstract
BACKGROUND Multicomponent heterostructure nanowires and nanogaps are of great interest for applications in sensorics. Pulsed electrodeposition in ion-track etched polymer templates is a suitable method to synthesise segmented nanowires with segments consisting of two different types of materials. For a well-controlled synthesis process, detailed analysis of the deposition parameters and the size-distribution of the segmented wires is crucial. RESULTS The fabrication of electrodeposited AuAg alloy nanowires and segmented Au-rich/Ag-rich/Au-rich nanowires with controlled composition and segment length in ion-track etched polymer templates was developed. Detailed analysis by cyclic voltammetry in ion-track membranes, energy-dispersive X-ray spectroscopy and scanning electron microscopy was performed to determine the dependency between the chosen potential and the segment composition. Additionally, we have dissolved the middle Ag-rich segments in order to create small nanogaps with controlled gap sizes. Annealing of the created structures allows us to influence their morphology. CONCLUSION AuAg alloy nanowires, segmented wires and nanogaps with controlled composition and size can be synthesised by electrodeposition in membranes, and are ideal model systems for investigation of surface plasmons.
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Affiliation(s)
- Ina Schubert
- Materials Research Department, GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany
| | - Loic Burr
- Materials Research Department, GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany
- Department of Materials- and Geo-Science, Technische Universität Darmstadt, Darmstadt, Germany
| | - Christina Trautmann
- Materials Research Department, GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany
- Department of Materials- and Geo-Science, Technische Universität Darmstadt, Darmstadt, Germany
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11
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Colour-tunable fluorescent multiblock micelles. Nat Commun 2014; 5:3372. [PMID: 24594554 DOI: 10.1038/ncomms4372] [Citation(s) in RCA: 210] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Accepted: 01/31/2014] [Indexed: 12/27/2022] Open
Abstract
Emerging strategies based on the self-assembly of block copolymers have recently enabled the bottom-up fabrication of nanostructured materials with spatially distinct functional regions. Concurrently, a drive for further miniaturization in applications such as optics, electronics and diagnostic technology has led to intense interest in nanomaterials with well-defined patterns of emission colour. Using a series of fluorescent block copolymers and the crystallization-driven living self-assembly approach, we herein describe the synthesis of multicompartment micelles in which the emission of each segment can be controlled to produce colours throughout the visible spectrum. This represents a bottom-up synthetic route to objects analogous to nanoscale pixels, into which complex patterns may be written. Because of their small size and high density of encoded information, these findings could lead to the development of new materials for applications in, for example, biological diagnostics, miniaturized display technology and the preparation of encoded nanomaterials with high data density.
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12
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Atobe M. ELECTROCHEMISTRY 2013; 81:288-292. [DOI: 10.5796/electrochemistry.81.288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] Open
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13
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Gao T, Yang Y, Sun WB, Li GM, Hou GF, Yan PF, Li JT, Ding DD. Syntheses, structure and near-infrared (NIR) luminescence of Er2, Yb2, ErYb of homodinuclear and heterodinuclear lanthanide(iii) complexes based on salen ligand. CrystEngComm 2013. [DOI: 10.1039/c3ce40714d] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Shi D, Chen J, Riaz S, Zhou W, Han X. Controlled nanostructuring of multiphase core-shell nanowires by a template-assisted electrodeposition approach. NANOTECHNOLOGY 2012; 23:305601. [PMID: 22751156 DOI: 10.1088/0957-4484/23/30/305601] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Multiphase core-shell nanowires have been fabricated by controlling the ion transport processes of the microfluids in the nanochannels of the template. Both forced convection and pulsed potential induced migration can be applied to tune the morphologies of the nanostructures obtained by manipulating the ion transport during electrodeposition. The morphology and content of the core-shell structure were studied by field emission scanning electron microscope (FESEM) analysis, transmission electron microscope (TEM) analysis and energy dispersive spectrometry (EDS), respectively. The magnetic properties were analyzed by vibrating sample magnetometer (VSM) analysis. A magnetically hard core and soft shell constitutes the multiphase composite nanostructure. The unique magnetic hysteresis curve indicates the decoupled magnetic reversal processes of the two components. Our work provides deeper insights into the formation mechanisms of a new core-shell nanostructure, which may have potential applications in novel spintronics devices.
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Affiliation(s)
- Dawei Shi
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
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15
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La Ferrara V, Pacheri Madathil A, De Girolamo Del Mauro A, Massera E, Polichetti T, Rametta G. The effect of solvent on the morphology of ZnO nanostructure assembly by dielectrophoresis and its device applications. Electrophoresis 2012; 33:2086-93. [DOI: 10.1002/elps.201100705] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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16
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Joshi RK, Schneider JJ. Assembly of one dimensional inorganic nanostructures into functional 2D and 3D architectures. Synthesis, arrangement and functionality. Chem Soc Rev 2012; 41:5285-312. [DOI: 10.1039/c2cs35089k] [Citation(s) in RCA: 217] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Affiliation(s)
- Francis P. Zamborini
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292,
United States
| | - Lanlan Bao
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292,
United States
| | - Radhika Dasari
- Department
of Chemistry and Biochemistry, University of Texas at Austin, Austin, Texas 78712, United States
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18
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Dielectrophoretic alignment of metal and metal oxide nanowires and nanotubes: A universal set of parameters for bridging prepatterned microelectrodes. J Colloid Interface Sci 2011; 355:486-93. [DOI: 10.1016/j.jcis.2010.12.011] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2010] [Revised: 12/01/2010] [Accepted: 12/03/2010] [Indexed: 11/20/2022]
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Maas MG, Rodijk EJ, Maijenburg W, ten Elshof JE, Blank DH. Photocatalytic Segmented Nanowires and Single-step Iron Oxide Nanotube Synthesis: Templated Electrodeposition as all-round Tool. ACTA ACUST UNITED AC 2011. [DOI: 10.1557/proc-1206-m01-08] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
AbstractTemplated electrodeposition was used to synthesize silver-zinc oxide nanowires and iron oxide (Fe2O3) nanotubes in polycarbonate track etched (PCTE) membranes. Metal/oxide segmented nanowires were made to produce hydrogen gas from a water/methanol mixture under ultraviolet irradiation. It was observed that gas production increased during irradiation.
Iron oxide nanotubes were synthesized via a gel synthesis route, avoiding clogging of the membrane pores during growth. The nanotubes formed without thermal after-treatment. Transmission electron microscopy (TEM) analysis and selected area electron diffraction (SAED) revealed a completely amorphous iron oxide structure. By demonstrating the synthesis of photocatalytically active segmented nanowire and nanotubes without post-treatment steps, templated electrodeposition can be a versatile and low cost tool for nanowires with designed functionality or fast nanotube synthesis.
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Strack G, Luckarift HR, Nichols R, Cozart K, Katz E, Johnson GR. Bioelectrocatalytic generation of directly readable code: harnessing cathodic current for long-term information relay. Chem Commun (Camb) 2011; 47:7662-4. [DOI: 10.1039/c1cc11475a] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Takai A, Ataee-Esfahani H, Doi Y, Fuziwara M, Yamauchi Y, Kuroda K. Pt nanoworms: creation of a bumpy surface on one-dimensional (1D) Pt nanowires with the assistance of surfactants embedded in mesochannels. Chem Commun (Camb) 2011; 47:7701-3. [DOI: 10.1039/c0cc05795a] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Oh JM, Park DH, Choy JH. Integrated bio-inorganic hybrid systems for nano-forensics. Chem Soc Rev 2010; 40:583-95. [PMID: 21152667 DOI: 10.1039/c0cs00051e] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This tutorial review describes a new class of data processing system that applies information theory at the molecular level. We also summarize the recent multidisciplinary advances in biotechnology and nanotechnology that have facilitated the development of reliable nano-level code systems. After a brief introduction of information theory, we present possible ways to adapt this concept to the molecular world. This review explains the requirements and solutions for each step necessary to apply a nano code system to real products. Finally, we introduce a designed nano code system for agricultural products as one example of the many possible applications for nano codes.
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Affiliation(s)
- Jae-Min Oh
- Department of Chemistry and Medical Chemistry, College of Science and Technology, Yonsei University, Wonju, Gangwondo, Korea
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Li X, Wang T, Zhang J, Zhu D, Zhang X, Ning Y, Zhang H, Yang B. Controlled fabrication of fluorescent barcode nanorods. ACS NANO 2010; 4:4350-4360. [PMID: 20731421 DOI: 10.1021/nn9017137] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
We report a novel technique for generating polymer fluorescent barcode nanorods by reactive ion etching of polymer multilayer films using nonclose-packed (ncp) colloidal microsphere arrays as masks. The fluorescent polymer multilayer films were spin-coated on a substrate, and ncp microsphere arrays were transferred onto these films. The exposed polymers were then etched away selectively, leaving color-encoded nanorods with well-preserved fluorescent properties. By modifying the spin-coating procedure, the amount of polymer in each layer could be tuned freely, which determined the relative fluorescence intensity of the barcode nanorods. These nanorod arrays can be detached from the substrate to form dispersions of coding materials. Moreover, the shape of the nanorods is controllable according to the different etching speeds of various materials, which also endows the nanorods with shape-encoded characters. This method offers opportunities for the fabrication of novel fluorescent barcodes which can be used for detecting and tracking applications.
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Affiliation(s)
- Xiao Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, PR China
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Kim K, Choi JY, Lee HB, Shin KS. Silanization of Ag-deposited magnetite particles: an efficient route to fabricate magnetic nanoparticle-based Raman barcode materials. ACS APPLIED MATERIALS & INTERFACES 2010; 2:1872-8. [PMID: 20586448 DOI: 10.1021/am1002074] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Silica-coated Ag nanostructures usable as magnetic nanoparticle-based Raman barcode materials were developed. Initially, 283 nm sized spherical magnetite particles composed of 13 nm sized superparamagnetic Fe(3)O(4) nanoparticles were synthesized, and silver deposition was conducted using butylamine as the reductant of AgNO(3) in ethanol. The Ag-deposited Fe(3)O(4) (Fe(3)O(4)@Ag) particles are found to be efficient surface-enhanced Raman scattering (SERS) substrates with the enhancement factor at 632.8 nm excitation to be about 3 x 10(6). After SERS markers such as benzenethiol, 4-mercaptotoluene, 4-aminobenzenethiol, and 4-nitrobenzenethiol were adsorbed onto the silver surface, poly(allylamine hydrochloride) (PAH) was coated onto them using the layer-by-layer deposition method such that a subsequent base-catalyzed silanization could readily form a 60 nm thick silica shell around the PAH layer by a biomimetic process. The cross-linked silica shells effectively prevented the SERS-marker molecules from being liberated from the surface of the Fe(3)O(4)@Ag particles. Although the gram magnetization decreased nearly to one-half of the initial value because of coating with silver and silica, the remaining magnetization was nonetheless strong enough for the silica-coated Fe(3)O(4)@Ag particles to be used as barcode materials operating via SERS.
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Affiliation(s)
- Kwan Kim
- Department of Chemistry, Seoul National University, Seoul 151-742, Korea.
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25
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Sau TK, Rogach AL. Nonspherical noble metal nanoparticles: colloid-chemical synthesis and morphology control. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2010; 22:1781-1804. [PMID: 20512953 DOI: 10.1002/adma.200901271] [Citation(s) in RCA: 481] [Impact Index Per Article: 34.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Metal nanoparticles have been the subject of widespread research over the past two decades. In recent years, noble metals have been the focus of numerous studies involving synthesis, characterization, and applications. Synthesis of an impressive range of noble metal nanoparticles with varied morphologies has been reported. Researchers have made a great progress in learning how to engineer materials on a nanometer length scale that has led to the understanding of the fundamental size- and shape-dependent properties of matter and to devising of new applications. In this article, we review the recent progress in the colloid-chemical synthesis of nonspherical nanoparticles of a few important noble metals (mainly Ag, Au, Pd, and Pt), highlighting the factors that influence the particle morphology and discussing the mechanisms behind the nonspherical shape evolution. The article attempts to present a thorough discussion of the basic principles as well as state-of-the-art morphology control in noble metal nanoparticles.
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Affiliation(s)
- Tapan K Sau
- International Institute of Information Technology, Hyderabad 500 032, India
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26
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Xiang Y, Zhang Y, Chang Y, Chai Y, Wang J, Yuan R. Reverse-micelle synthesis of electrochemically encoded quantum dot barcodes: application to electronic coding of a cancer marker. Anal Chem 2010; 82:1138-41. [PMID: 20067269 PMCID: PMC2836120 DOI: 10.1021/ac902335e] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Reproducible electrochemically encoded quantum dot (QD) barcodes were prepared using the reverse-micelle synthetic approach. The encoding elements, Zn(2+), Cd(2+), and Pb(2+), were confined within a single QD, which eliminates the cumbersome encapsulation process used by other common nanoparticle-based barcode preparation schemes. The distinct voltammetric stripping patterns of Zn(2+), Cd(2+) and Pb(2+) at distinguishable potentials with controllable current intensities offer excellent encoding capability for the prepared electrochemical (EC) QDs. Additionally, the simultaneous modification of the QD barcode surface with organic ligands during the preparation process make them potentially useful in biomedical research. For proof of concept of their application in bioassays, the EC QD barcodes were further employed as tags for an immunoassay of a cancer marker, carcinoembryonic antigen (CEA). The voltammetric stripping response of the dissolved bardcode tags was proportional to log[CEA] in the range from 0.01 to 80 ng mL(-1), with a detection limit of 3.3 pg mL(-1). The synthesized EC QD barcodes hold considerable potential in biodetection, encrypted information, and product tracking.
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Affiliation(s)
- Yun Xiang
- Key Laboratory of Ministry of Education on Luminescence and Real-Time Analysis, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Yuyong Zhang
- Key Laboratory of Ministry of Education on Luminescence and Real-Time Analysis, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Yue Chang
- Key Laboratory of Ministry of Education on Luminescence and Real-Time Analysis, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Yaqin Chai
- Key Laboratory of Ministry of Education on Luminescence and Real-Time Analysis, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Joseph Wang
- Department of NanoEngineering, University of California San Diego, La Jolla, California 92093, USA
| | - Ruo Yuan
- Key Laboratory of Ministry of Education on Luminescence and Real-Time Analysis, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
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White KA, Chengelis DA, Gogick KA, Stehman J, Rosi NL, Petoud S. Near-Infrared Luminescent Lanthanide MOF Barcodes. J Am Chem Soc 2009; 131:18069-71. [DOI: 10.1021/ja907885m] [Citation(s) in RCA: 418] [Impact Index Per Article: 27.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kiley A. White
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, and Centre de Biophysique Moléculaire, CNRS, rue Charles Sadron, 45071 Orléans, France
| | - Demetra A. Chengelis
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, and Centre de Biophysique Moléculaire, CNRS, rue Charles Sadron, 45071 Orléans, France
| | - Kristy A. Gogick
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, and Centre de Biophysique Moléculaire, CNRS, rue Charles Sadron, 45071 Orléans, France
| | - Jack Stehman
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, and Centre de Biophysique Moléculaire, CNRS, rue Charles Sadron, 45071 Orléans, France
| | - Nathaniel L. Rosi
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, and Centre de Biophysique Moléculaire, CNRS, rue Charles Sadron, 45071 Orléans, France
| | - Stéphane Petoud
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, and Centre de Biophysique Moléculaire, CNRS, rue Charles Sadron, 45071 Orléans, France
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28
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Pumera M, Escarpa A. Nanomaterials as electrochemical detectors in microfluidics and CE: Fundamentals, designs, and applications. Electrophoresis 2009; 30:3315-23. [DOI: 10.1002/elps.200900008] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Wang J. Biomolecule-Functionalized Nanowires: From Nanosensors to Nanocarriers. Chemphyschem 2009; 10:1748-55. [DOI: 10.1002/cphc.200900377] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Pan C, Zhu J. The syntheses, properties and applications of Si, ZnO, metal, and heterojunction nanowires. ACTA ACUST UNITED AC 2009. [DOI: 10.1039/b816463k] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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