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Renault C, Lemay SG. Electrochemical Collisions of Individual Graphene Oxide Sheets: An Analytical and Fundamental Study. ChemElectroChem 2020; 7:69-73. [PMID: 31998598 PMCID: PMC6973065 DOI: 10.1002/celc.201901606] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/25/2019] [Indexed: 11/12/2022]
Abstract
We propose an analytical method based on electrochemical collisions to detect individual graphene oxide (GO) sheets in an aqueous suspension. The collision rate is found to exhibit a complex dependence on redox mediator and supporting electrolyte concentrations. The analysis of multiple collision events in conjunction with numerical simulations allows quantitative information to be extracted, such as the molar concentration of GO sheets in suspension and an estimate of the size of individual sheets. We also evidence by numerical simulation the existence of edge effects on a 2D blocking object.
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Affiliation(s)
- Christophe Renault
- MESA+ Institute for NanotechnologyUniversity of Twente P.O. Box 1277500 AEEnschedeThe Netherlands
- Physique de la Matière CondenséeEcole Polytechnique, CNRS, IP Paris91128PalaiseauFrance
| | - Serge G. Lemay
- MESA+ Institute for NanotechnologyUniversity of Twente P.O. Box 1277500 AEEnschedeThe Netherlands
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52
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Kirk KA, Luitel T, Narouei FH, Andreescu S. Nanoparticle Characterization Through Nano-Impact Electrochemistry: Tools and Methodology Development. Methods Mol Biol 2020; 2118:327-342. [PMID: 32152990 DOI: 10.1007/978-1-0716-0319-2_24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The field of nanomaterials has been expanding rapidly into many diverse applications within the last 20 years. With this growth, there is a significant need for new method development for the detection and characterization of nanomaterials. Understanding the physical properties of nanoscale entities and their associated reaction kinetics is crucial for monitoring their effect on environmental and human health, and in their use for practical applications. Nano-impact electrochemistry is a novel development in the field of fundamental electrochemistry that provides an ultrasensitive method for analyzing physical and redox properties of nanomaterials and their derivatives. This protocol focuses on the tools required for characterizing silver nanoparticles (AgNPs) by nano-impact electrochemistry, the preparation of microelectrodes and the methodology needed for measurement of the AgNP redox activity. The fabrication of cylindrical carbon fiber as well as gold and platinum microwire electrodes is described in detail. The analysis of nano-impact electrochemistry for the characterization of redox active entities is also outlined with examples of applications.
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Affiliation(s)
- Kevin A Kirk
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY, USA
| | - Tulashi Luitel
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY, USA
| | | | - Silvana Andreescu
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY, USA.
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53
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Bai YY, Wu Z, Xu CM, Zhang L, Feng J, Pang DW, Zhang ZL. One-to-Many Single Entity Electrochemistry Biosensing for Ultrasensitive Detection of microRNA. Anal Chem 2019; 92:853-858. [PMID: 31755700 DOI: 10.1021/acs.analchem.9b03492] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Single-entity electrochemistry (SEEC), a promising method for biosensing, has an intrinsic limitation on sensitivity since at most one colliding entity can be successfully triggered by one target. Here, we take advantage of one-to-many (1:n) signal amplification to develop a new single-entity electrochemistry biosensing (SEECBS), integrating satellite magnetic nanoparticle (MN)-DNA-Pt nanoparticle (NP) conjugates, duplex-specific nuclease (DSN) assisted Pt NPs releasing with stabilization, and effective collision of small sized and nearly naked Pt NPs. Compared with conventional SEECBS, the 1:n SEECBS can successfully enrich ∼2 nM Pt NPs by adding 50 aM microRNA (miRNA), in other words, ∼4 × 107 Pt NPs can be triggered by one target. The proposed SEECBS allows the detection of 47 aM miRNA-21, nearly 6 orders of magnitude lower than the previous work, and discrimination of nontarget miRNAs containing even single-nucleotide mismatch. Besides, this method has also been successfully demonstrated for quantification of miRNA in different cell lines. Therefore, the proposed method holds great potential for the application of SEECBS in early diagnosis and prognosis monitoring of cancer.
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Affiliation(s)
- Yi-Yan Bai
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , People's Republic of China
| | - Zhen Wu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules and College of Chemistry and Chemical Engineering , Hubei University , Wuhan 430062 , People's Republic of China
| | - Chun-Miao Xu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , People's Republic of China
| | - Li Zhang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , People's Republic of China
| | - Jiao Feng
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , People's Republic of China
| | - Dai-Wen Pang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , People's Republic of China
| | - Zhi-Ling Zhang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , People's Republic of China
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54
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Hwang J, Chang J. Understanding the mass-transfer of Br species in an aqueous and quaternary ammonium polybromide biphasic system via particle-impact electrochemical analysis. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2019.08.028] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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55
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Lee S, Muya JT, Chung H, Chang J. Viologen-Bromide Dual-Redox Ionic Solid Complexes: Understanding Their Electrochemical Formation and Proton-Accompanied Redox Chemistry. ACS APPLIED MATERIALS & INTERFACES 2019; 11:43659-43670. [PMID: 31618569 DOI: 10.1021/acsami.9b13985] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The inhibition of self-discharge in a redox-enhanced electrochemical capacitor (Redox-EC) is crucial for excellent energy retention. Heptyl viologen dibromide (HVBr2) was chosen as a strong candidate of a dual-redox species in Redox-EC due to its solid complexations during the charging process, at which HV2+ is electrochemically reduced to HV+• and form a solid complex, [HV+•·Br-], on an anode while Br- is electro-oxidized to Br3- and renders [HV2+·2Br3-] on a cathode. The solid complexes could not transfer across the separator, resulting in significant diminution of the self-discharge. In this Article, we present detailed electrochemical studies of formation of [HV2+·2Br3-] and [HV+•·Br-], their redox features, and galvanic exchange reactions between the two types of dual-redox ionic solids on a Pt ultra-microelectrode (UME) in neutral (0.33 M Na2SO4) and acidic (1 M H2SO4) solutions. Most importantly, through voltammetric and particle-impact electrochemical analyses, we found that the redox and galvanic exchange reactions of the two dual-redox ionic solid complexes involve H+ transfer, which is the key process to limit the overall kinetics of the electrochemical reactions. We also rationalize the proton-accompanied galvanic exchange reaction based on computational simulation.
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Affiliation(s)
- Semi Lee
- Department of Chemistry and Research Institute for Natural Science , Hanyang University , 222 Wangsimni-ro , Seongdong-gu , Seoul 04763 , Republic of Korea
| | - Jules Tshishimbi Muya
- Department of Chemistry and Research Institute for Natural Science , Hanyang University , 222 Wangsimni-ro , Seongdong-gu , Seoul 04763 , Republic of Korea
| | - Hoeil Chung
- Department of Chemistry and Research Institute for Natural Science , Hanyang University , 222 Wangsimni-ro , Seongdong-gu , Seoul 04763 , Republic of Korea
| | - Jinho Chang
- Department of Chemistry and Research Institute for Natural Science , Hanyang University , 222 Wangsimni-ro , Seongdong-gu , Seoul 04763 , Republic of Korea
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Xu W, Zou G, Hou H, Ji X. Single Particle Electrochemistry of Collision. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1804908. [PMID: 30740883 DOI: 10.1002/smll.201804908] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 12/21/2018] [Indexed: 05/23/2023]
Abstract
A novel electrochemistry method using stochastic collision of particles at microelectrode to study their performance in single-particle scale has obtained remarkable development in recent years. This convenient and swift analytical method, which can be called "nanoimpact," is focused on the electrochemical process of the single particle rather than in complex ensemble systems. Many researchers have applied this nanoimpact method to investigate various kinds of materials in many research fields, including sensing, electrochemical catalysis, and energy storage. However, the ways how they utilize the method are quite different and the key points can be classified into four sorts: sensing particles at ultralow concentration, theory optimization, kinetics of mediated catalytic reaction, and redox electrochemistry of the particles. This review gives a brief overview of the development of the nanoimpact method from the four aspects in a new perspective.
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Affiliation(s)
- Wei Xu
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Guoqiang Zou
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Hongshuai Hou
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Xiaobo Ji
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
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58
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Patrice FT, Qiu K, Ying YL, Long YT. Single Nanoparticle Electrochemistry. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2019; 12:347-370. [PMID: 31018101 DOI: 10.1146/annurev-anchem-061318-114902] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Experimental techniques to monitor and visualize the behaviors of single nanoparticles have not only revealed the significant spatial and temporal heterogeneity of those individuals, which are hidden in ensemble methods, but more importantly, they have also enabled researchers to elucidate the origin of such heterogeneity. In pursuing the intrinsic structure-function relations of single nanoparticles, the recently developed stochastic collision approach demonstrated some early promise. However, it was later realized that the appropriate sizing of a single nanoparticle by an electrochemical method could be far more challenging than initially expected owing to the dynamic motion of nanoparticles in electrolytes and complex charge-transfer characteristics at electrode surfaces. This clearly indicates a strong necessity to integrate single nanoparticle electrochemistry with high-resolution optical microscopy. Hence, this review aims to give a timely update of the latest progress for both electrochemically sensing and seeing single nanoparticles. A major focus is on collision-based measurements, where nanoparticles or single entities in solution impact on a collector electrode and the electrochemical response is recorded. These measurements are further enhanced with optical measurements in parallel. For completeness, advances in other related methods for single nanoparticle electrochemistry are also included.
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Affiliation(s)
- Fato Tano Patrice
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China; ;
| | - Kaipei Qiu
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China; ;
| | - Yi-Lun Ying
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China; ;
| | - Yi-Tao Long
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China; ;
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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59
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Hafez ME, Ma H, Ma W, Long YT. Unveiling the Intrinsic Catalytic Activities of Single-Gold-Nanoparticle-Based Enzyme Mimetics. Angew Chem Int Ed Engl 2019; 58:6327-6332. [PMID: 30854788 DOI: 10.1002/anie.201901384] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 02/23/2019] [Indexed: 01/20/2023]
Abstract
Gold nanoparticles (AuNPs) have been demonstrated to serve as effective nanomaterial-based enzyme mimetics (nanozymes) for a number of enzymatic reactions under mild conditions. The intrinsic glucose oxidase and peroxidase activities of single AuNPs and Ag-Au nanohybrids, respectively, were investigated by single NP collision electrochemical measurements. A significantly high turnover number of nanozymes was obtained from individual catalytic events compared with the results from the classical, ensemble-averaged measurements. The unusual enhancement of catalytic activity of single nanozymes is believed to originate from the high accessible surface area of monodispersed NPs and the high activities of carbon-supported NPs during single-particle collision at a carbon ultramicroelectrode. This work introduces a new method for the precise characterization of the intrinsic catalytic activities of nanozymes, giving further insights to the design of high-efficiency nanomaterial catalysts.
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Affiliation(s)
- Mahmoud Elsayed Hafez
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, P. R. China
| | - Hui Ma
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, P. R. China
| | - Wei Ma
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, P. R. China
| | - Yi-Tao Long
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, P. R. China
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60
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Hafez ME, Ma H, Ma W, Long Y. Unveiling the Intrinsic Catalytic Activities of Single‐Gold‐Nanoparticle‐Based Enzyme Mimetics. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201901384] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Mahmoud Elsayed Hafez
- Key Laboratory for Advanced MaterialsSchool of Chemistry & Molecular EngineeringEast China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Hui Ma
- Key Laboratory for Advanced MaterialsSchool of Chemistry & Molecular EngineeringEast China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Wei Ma
- Key Laboratory for Advanced MaterialsSchool of Chemistry & Molecular EngineeringEast China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Yi‐Tao Long
- Key Laboratory for Advanced MaterialsSchool of Chemistry & Molecular EngineeringEast China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
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61
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Martín-Yerga D. Electrochemical Detection and Characterization of Nanoparticles with Printed Devices. BIOSENSORS 2019; 9:E47. [PMID: 30925772 PMCID: PMC6627282 DOI: 10.3390/bios9020047] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Revised: 03/16/2019] [Accepted: 03/25/2019] [Indexed: 12/15/2022]
Abstract
Innovative methods to achieve the user-friendly, quick, and highly sensitive detection of nanomaterials are urgently needed. Nanomaterials have increased importance in commercial products, and there are concerns about the potential risk that they entail for the environment. In addition, detection of nanomaterials can be a highly valuable tool in many applications, such as biosensing. Electrochemical methods using disposable, low-cost, printed electrodes provide excellent analytical performance for the detection of a wide set of nanomaterials. In this review, the foundations and latest advances of several electrochemical strategies for the detection of nanoparticles using cost-effective printed devices are introduced. These strategies will equip the experimentalist with an extensive toolbox for the detection of nanoparticles of different chemical nature and possible applications ranging from quality control to environmental analysis and biosensing.
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Affiliation(s)
- Daniel Martín-Yerga
- Department of Chemical Engineering, KTH Royal Institute of Technology, 100-44 Stockholm, Sweden.
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62
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Single-entity electrochemistry: Diffusion-controlled transport of an analyte inside a particle. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2018.12.144] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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63
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Trojánek A, Samec Z. Study of the emulsion droplet collisions with the polarizable water/1,2-dichloroethane interface by the open circuit potential measurements. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.01.041] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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64
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Ma T, Guo J, Chang S, Wang X, Zhou J, Liang F, He J. Modulating and probing the dynamic intermolecular interactions in plasmonic molecule-pair junctions. Phys Chem Chem Phys 2019; 21:15940-15948. [DOI: 10.1039/c9cp02030f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The intermolecular interactions, including hydrogen bonds, are electromechanically modulated and probed in metal–molecule pair–metal junctions.
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Affiliation(s)
- Tao Ma
- The State Key Laboratory of Refractories and Metallurgy
- School of Chemistry and Chemical Engineering
- School of Materials and Metallurgy
- Wuhan University of Science and Technology
- Wuhan
| | - Jing Guo
- Department of Physics
- Florida International University
- Miami
- USA
| | - Shuai Chang
- The State Key Laboratory of Refractories and Metallurgy
- School of Chemistry and Chemical Engineering
- School of Materials and Metallurgy
- Wuhan University of Science and Technology
- Wuhan
| | - Xuewen Wang
- Department of Physics
- Florida International University
- Miami
- USA
| | - Jianghao Zhou
- The State Key Laboratory of Refractories and Metallurgy
- School of Chemistry and Chemical Engineering
- School of Materials and Metallurgy
- Wuhan University of Science and Technology
- Wuhan
| | - Feng Liang
- The State Key Laboratory of Refractories and Metallurgy
- School of Chemistry and Chemical Engineering
- School of Materials and Metallurgy
- Wuhan University of Science and Technology
- Wuhan
| | - Jin He
- Department of Physics
- Florida International University
- Miami
- USA
- Biomolecular Science Institute
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65
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Shu J, Qiu Z, Zhou Q, Tang D. A chemiresistive thin-film translating biological recognition into electrical signals: an innovative signaling mode for contactless biosensing. Chem Commun (Camb) 2019; 55:3262-3265. [DOI: 10.1039/c9cc00298g] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An innovative signaling mode in which a chemiresistive thin-film electrode monitors the specific gaseous component that results from a biological recognition event to indirectly detect targets in the liquid phase is developed for highly-efficient contactless biosensing. This signaling mode may open a new horizon in designing robust biosensing devices for bioanalysis.
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Affiliation(s)
- Jian Shu
- Key Laboratory for Analytical Science of Food Safety and Biology (MOE & Fujian Province)
- Department of Chemistry
- Fuzhou University
- Fuzhou 350116
- China
| | - Zhenli Qiu
- Key Laboratory for Analytical Science of Food Safety and Biology (MOE & Fujian Province)
- Department of Chemistry
- Fuzhou University
- Fuzhou 350116
- China
| | - Qian Zhou
- Institute of Environmental and Analytical Science
- School of Chemistry and Chemical Engineering
- Henan University
- Kaifeng 475004
- China
| | - Dianping Tang
- Key Laboratory for Analytical Science of Food Safety and Biology (MOE & Fujian Province)
- Department of Chemistry
- Fuzhou University
- Fuzhou 350116
- China
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66
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Deng Z, Elattar R, Maroun F, Renault C. In Situ Measurement of the Size Distribution and Concentration of Insulating Particles by Electrochemical Collision on Hemispherical Ultramicroelectrodes. Anal Chem 2018; 90:12923-12929. [PMID: 30284818 DOI: 10.1021/acs.analchem.8b03550] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
One of the greatest limitations in electrochemical collision/nanoimpact methods is the inability to quantify the size of colliding species due to the uneven current distribution on a disk ultramicroelectrode UME (so-called edge effect). This phenomenon arises since radial diffusion is greater at the edge than the center of the active electrode surface. One method of solving this problem is fabrication of a hemispherical UME. We describe the fabrication of a hemispherical Hg UME on a disk UME by a solution-based electrochemical method, chronocoulometry. The use of hemispherical Hg UME to detect collisions of individual amine-functionalized polystyrene beads removes the "edge effect" and enables simultaneous measurements of the concentration and the size distribution of colloids in suspension. Using finite element simulations, we deduce a quantitative relation between the distribution of current step size and the size distribution of the bead. The frequency of collision measured for a given size of bead is then converted into a concentration (in mol/L) by a quantification of the relative contributions of migration and diffusion for each size of bead. Under our experimental conditions (low concentration of supporting electrolyte), migration dominates the flux of bead. The average size of polystyrene beads of 0.5 and 1 μm radius obtained by electrochemistry and scanning electron microscopy (SEM) differs by only -8% and -9%, respectively. The total concentration of polystyrene beads of 0.5 and 1 μm radius obtained by electrochemistry is found in close agreement (<10% of error) with their nominal concentrations (25 and 100 fM).
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Affiliation(s)
- Zejun Deng
- Physique de la Matière Condensée, CNRS , Ecole Polytechnique , 91128 Palaiseau , France
| | - Ridha Elattar
- Physique de la Matière Condensée, CNRS , Ecole Polytechnique , 91128 Palaiseau , France
| | - Fouad Maroun
- Physique de la Matière Condensée, CNRS , Ecole Polytechnique , 91128 Palaiseau , France
| | - Christophe Renault
- Physique de la Matière Condensée, CNRS , Ecole Polytechnique , 91128 Palaiseau , France
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67
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Neves MMPDS, Martín-Yerga D. Advanced Nanoscale Approaches to Single-(Bio)entity Sensing and Imaging. BIOSENSORS 2018; 8:E100. [PMID: 30373209 PMCID: PMC6316691 DOI: 10.3390/bios8040100] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2018] [Revised: 10/11/2018] [Accepted: 10/23/2018] [Indexed: 01/01/2023]
Abstract
Individual (bio)chemical entities could show a very heterogeneous behaviour under the same conditions that could be relevant in many biological processes of significance in the life sciences. Conventional detection approaches are only able to detect the average response of an ensemble of entities and assume that all entities are identical. From this perspective, important information about the heterogeneities or rare (stochastic) events happening in individual entities would remain unseen. Some nanoscale tools present interesting physicochemical properties that enable the possibility to detect systems at the single-entity level, acquiring richer information than conventional methods. In this review, we introduce the foundations and the latest advances of several nanoscale approaches to sensing and imaging individual (bio)entities using nanoprobes, nanopores, nanoimpacts, nanoplasmonics and nanomachines. Several (bio)entities such as cells, proteins, nucleic acids, vesicles and viruses are specifically considered. These nanoscale approaches provide a wide and complete toolbox for the study of many biological systems at the single-entity level.
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Affiliation(s)
| | - Daniel Martín-Yerga
- Department of Chemical Engineering, KTH Royal Institute of Technology, 100-44 Stockholm, Sweden.
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68
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Chronoamperometric Observation and Analysis of Electrocatalytic Ability of Single Pd Nanoparticle for Hydrogen Peroxide Reduction Reaction. NANOMATERIALS 2018; 8:nano8110879. [PMID: 30373100 PMCID: PMC6266670 DOI: 10.3390/nano8110879] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 10/18/2018] [Accepted: 10/23/2018] [Indexed: 11/17/2022]
Abstract
The current generated by the collision of a single nanoparticle (NP) of palladium (Pd) on a gold (Au) ultramicroelectrode (UME) surface was observed using an electrocatalytic amplification method. The hydrogen peroxide reduction reaction was used for the electrocatalytic reaction because the hydrogen peroxide reduction reaction has no gas-phase product, which would induce rapid signal decay. The electrocatalytic current resulting from a single Pd nanoparticle on the Au UME shows a staircase response with accompanying slow current decay. The applying potential and concentration of hydrogen peroxide were optimized for clear distinction of signal. The height of the current step and signal frequency were analyzed and compared with the theoretical expectation. The analysis of the electrocatalytic activity of single Pd NPs provides insight toward their future application.
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69
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Li M, Ge Z, Zhang S, He P, Gu Y, Qi L, Shao Y. Electrocatalytic Reduction of Hydrogen Peroxide by Pd−Ag Nanoparticles Based on the Collisional Approach. ChemElectroChem 2018. [DOI: 10.1002/celc.201801249] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Mingzhi Li
- College of Chemistry and Molecular EngineeringBeijing National Research Center for Molecular SciencesPeking University 202 Chengfu Road Beijing 100871 P.R. China
| | - Zhiqiang Ge
- College of Chemistry and Molecular EngineeringBeijing National Research Center for Molecular SciencesPeking University 202 Chengfu Road Beijing 100871 P.R. China
| | - Shudong Zhang
- College of Chemistry and Molecular EngineeringBeijing National Research Center for Molecular SciencesPeking University 202 Chengfu Road Beijing 100871 P.R. China
| | - Peng He
- College of Chemistry and Molecular EngineeringBeijing National Research Center for Molecular SciencesPeking University 202 Chengfu Road Beijing 100871 P.R. China
| | - Yaxiong Gu
- College of Chemistry and Molecular EngineeringBeijing National Research Center for Molecular SciencesPeking University 202 Chengfu Road Beijing 100871 P.R. China
| | - Limin Qi
- College of Chemistry and Molecular EngineeringBeijing National Research Center for Molecular SciencesPeking University 202 Chengfu Road Beijing 100871 P.R. China
| | - Yuanhua Shao
- College of Chemistry and Molecular EngineeringBeijing National Research Center for Molecular SciencesPeking University 202 Chengfu Road Beijing 100871 P.R. China
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70
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Gao G, Wang D, Brocenschi R, Zhi J, Mirkin MV. Toward the Detection and Identification of Single Bacteria by Electrochemical Collision Technique. Anal Chem 2018; 90:12123-12130. [DOI: 10.1021/acs.analchem.8b03043] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Guanyue Gao
- Department of Chemistry and Biochemistry, Queens College-City University of New York, Flushing, New York 11367, United States
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China
- University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Dengchao Wang
- Department of Chemistry and Biochemistry, Queens College-City University of New York, Flushing, New York 11367, United States
| | - Ricardo Brocenschi
- Department of Chemistry and Biochemistry, Queens College-City University of New York, Flushing, New York 11367, United States
- Centro de Estudos do Mar, Universidade Federal do Paraná, 83255-976 Pontal do Paraná, Paraná, Brazil
| | - Jinfang Zhi
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China
- University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Michael V. Mirkin
- Department of Chemistry and Biochemistry, Queens College-City University of New York, Flushing, New York 11367, United States
- The Graduate Center, City University of New York, New York, New York 10016, United States
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71
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Paul DK, Meng K, Omanovic D, Alvarez JC. Hydrogen Bonding and Proton Transfer in Aqueous Toluene Microdroplets Studied by Particle Collision Electrochemistry. ChemElectroChem 2018. [DOI: 10.1002/celc.201800542] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Dilip K. Paul
- Department of ChemistryVirginia Commonwealth University Richmond VA, 23284
| | - Kejie Meng
- Department of ChemistryVirginia Commonwealth University Richmond VA, 23284
| | - Dario Omanovic
- Department of Marine and Environmental ResearchRuder Boskovic Institute Zagreb Croatia
| | - Julio C. Alvarez
- Department of ChemistryVirginia Commonwealth University Richmond VA, 23284
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72
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Frkonja-Kuczin A, Ray L, Zhao Z, Konopka MC, Boika A. Electrokinetic preconcentration and electrochemical detection of Escherichia coli at a microelectrode. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.05.120] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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73
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Andreescu D, Kirk KA, Narouei FH, Andreescu S. Electroanalytic Aspects of Single‐Entity Collision Methods for Bioanalytical and Environmental Applications. ChemElectroChem 2018. [DOI: 10.1002/celc.201800722] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Daniel Andreescu
- Department of Chemistry and Biomolecular Science Clarkson University Potsdam NY 13699-5810 USA
| | - Kevin A. Kirk
- Department of Chemistry and Biomolecular Science Clarkson University Potsdam NY 13699-5810 USA
| | | | - Silvana Andreescu
- Department of Chemistry and Biomolecular Science Clarkson University Potsdam NY 13699-5810 USA
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74
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Wang Y, Shan X, Tao N. Emerging tools for studying single entity electrochemistry. Faraday Discuss 2018; 193:9-39. [PMID: 27722354 DOI: 10.1039/c6fd00180g] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Electrochemistry studies charge transfer and related processes at various microscopic structures (atomic steps, islands, pits and kinks on electrodes), and mesoscopic materials (nanoparticles, nanowires, viruses, vesicles and cells) made by nature and humans, involving ions and molecules. The traditional approach measures averaged electrochemical quantities of a large ensemble of these individual entities, including the microstructures, mesoscopic materials, ions and molecules. There is a need to develop tools to study single entities because a real system is usually heterogeneous, e.g., containing nanoparticles with different sizes and shapes. Even in the case of "homogeneous" molecules, they bind to different microscopic structures of an electrode, assume different conformations and fluctuate over time, leading to heterogeneous reactions. Here we highlight some emerging tools for studying single entity electrochemistry, discuss their strengths and weaknesses, and provide personal views on the need for tools with new capabilities for further advancing single entity electrochemistry.
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Affiliation(s)
- Yixian Wang
- Center for Biosensors and Bioelectronics, Biodesign Institute and School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, Arizona 85287, USA.
| | - Xiaonan Shan
- Center for Biosensors and Bioelectronics, Biodesign Institute and School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, Arizona 85287, USA.
| | - Nongjian Tao
- Center for Biosensors and Bioelectronics, Biodesign Institute and School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, Arizona 85287, USA. and State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
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75
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Liu Y, Xu C, Yu P, Chen X, Wang J, Mao L. Counting and Sizing of Single Vesicles/Liposomes by Electrochemical Events. ChemElectroChem 2018. [DOI: 10.1002/celc.201800616] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Yang Liu
- Research Center for Analytical Sciences Department of Chemistry, College of SciencesNortheastern University Box 332 Shenyang 110819 China
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of ChemistryThe Chinese Academy of Sciences (CAS) Beijing 100190 China
| | - Cong Xu
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of ChemistryThe Chinese Academy of Sciences (CAS) Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Ping Yu
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of ChemistryThe Chinese Academy of Sciences (CAS) Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Xuwei Chen
- Research Center for Analytical Sciences Department of Chemistry, College of SciencesNortheastern University Box 332 Shenyang 110819 China
| | - Jianhua Wang
- Research Center for Analytical Sciences Department of Chemistry, College of SciencesNortheastern University Box 332 Shenyang 110819 China
| | - Lanqun Mao
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of ChemistryThe Chinese Academy of Sciences (CAS) Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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76
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Blocking electrochemical collisions of single E. coli and B. subtilis bacteria at ultramicroelectrodes elucidated using simultaneous fluorescence microscopy. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.05.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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77
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Glasscott MW, Dick JE. Direct Electrochemical Observation of Single Platinum Cluster Electrocatalysis on Ultramicroelectrodes. Anal Chem 2018; 90:7804-7808. [DOI: 10.1021/acs.analchem.8b02219] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Matthew W. Glasscott
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Jeffrey E. Dick
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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78
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Fu K, Han D, Crouch GM, Kwon SR, Bohn PW. Voltage-Gated Nanoparticle Transport and Collisions in Attoliter-Volume Nanopore Electrode Arrays. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1703248. [PMID: 29377558 PMCID: PMC8287793 DOI: 10.1002/smll.201703248] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 11/28/2017] [Indexed: 06/07/2023]
Abstract
Single nanoparticle analysis can reveal how particle-to-particle heterogeneity affects ensemble properties derived from traditional bulk measurements. High-bandwidth, low noise electrochemical measurements are needed to examine the fast heterogeneous electron-transfer behavior of single nanoparticles with sufficient fidelity to resolve the behavior of individual nanoparticles. Herein, nanopore electrode arrays (NEAs) are fabricated in which each pore supports two vertically spaced, individually addressable electrodes. The top ring electrode serves as a particle gate to control the transport of silver nanoparticles (AgNPs) within individual attoliter volume NEAs nanopores, as shown by redox collisions of AgNPs collisions at the bottom disk electrode. The AgNP-nanoporeis system has wide-ranging technological applications as well as fundamental interest, since the transport of AgNPs within the NEA mimics the transport of ions through cell membranes via voltage-gated ion channels. A voltage threshold is observed above which AgNPs are able to access the bottom electrode of the NEAs, i.e., a minimum potential at the gate electrode is required to switch between few and many observed collision events on the collector electrode. It is further shown that this threshold voltage is strongly dependent on the applied voltage at both electrodes as well as the size of AgNPs, as shown both experimentally and through finite-element modeling. Overall, this study provides a precise method of monitoring nanoparticle transport and in situ redox reactions within nanoconfined spaces at the single particle level.
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Affiliation(s)
- Kaiyu Fu
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, US
| | - Donghoon Han
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, IN 46556, US
| | - Garrison M. Crouch
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, IN 46556, US
| | - Seung-Ryong Kwon
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, IN 46556, US
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79
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Guo J, Pan J, Chang S, Wang X, Kong N, Yang W, He J. Monitoring the Dynamic Process of Formation of Plasmonic Molecular Junctions during Single Nanoparticle Collisions. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1704164. [PMID: 29493086 DOI: 10.1002/smll.201704164] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 01/21/2018] [Indexed: 05/23/2023]
Abstract
The capability to study the dynamic formation of plasmonic molecular junction is of fundamental importance, and it will provide new insights into molecular electronics/plasmonics, single-entity electrochemistry, and nanooptoelectronics. Here, a facile method to form plasmonic molecular junctions is reported by utilizing single gold nanoparticle (NP) collision events at a highly curved gold nanoelectrode modified with a self-assembled monolayer. By using time-resolved electrochemical current measurement and surface-enhanced Raman scattering spectroscopy, the current changes and the evolution of interfacial chemical bonding are successfully observed in the newly formed molecular tunnel junctions during and after the gold NP "hit-n-stay" and "hit-n-run" collision events. The results lead to an in-depth understanding of the single NP motion and the associated molecular level changes during the formation of the plasmonic molecular junctions in a single NP collision event. This method also provides a new platform to study molecular changes at the single molecule level during electron transport in a dynamic molecular tunnel junction.
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Affiliation(s)
- Jing Guo
- Department of Physics, Florida International University, Miami, FL, 33199, USA
| | - Jie Pan
- Department of Physics, Florida International University, Miami, FL, 33199, USA
| | - Shuai Chang
- College of Materials and Metallurgy, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, China
| | - Xuewen Wang
- Department of Physics, Florida International University, Miami, FL, 33199, USA
| | - Na Kong
- Center for Chemistry and Biotechnology, School of Life and Environmental Science, Deakin University, VIC, 3216, Australia
| | - Wenrong Yang
- Center for Chemistry and Biotechnology, School of Life and Environmental Science, Deakin University, VIC, 3216, Australia
| | - Jin He
- Department of Physics, Florida International University, Miami, FL, 33199, USA
- Department of Physics and Biomolecular Science Institute, Florida International University, Miami, FL, 33199, USA
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80
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Abstract
The objective in routine analyses is generally to determine a small number of analytes. With samples containing ∼103 or more components there will be insufficient peak capacity to resolve analytes from nonanalytes. This issue was addressed herein through a new type of separation mechanism in which small groups of targeted analytes are bound with high affinity to a soluble analyte-sequestering transport phase (ASTP) composed of a ∼25 nm Stokes radius hydrophilic polymer core (HPC). When introduced into a 30 nm pore diameter size-exclusion chromatography (SEC) column, ASTP/analyte complexes elute within minutes, together, unretained, and relatively pure in the first chromatographic peak. Nonanalytes, in contrast, enter pore matrices of the packing material, are retarded in elution velocity, and are eluted later, separated from analytes. Fabrication of ASTPs was achieved by covalently coupling an antibody or some other affinity selector to a high molecular weight HPC. Beyond sequestering analytes, the function of ASTPs is to act as a molecular weight shifting agent, conveying an effective molecular weight to analytes that is much larger than that of nonanalytes and causing them to elute in the SEC void volume. This mode of separation is referred to as mobile affinity sorbent chromatography (MASC). Subsequent to their purification, ASTP/analyte complexes were detected by fluorescence spectrometry.
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Affiliation(s)
- ZhiYu Li
- Novilytic, Kurz Purdue Technology Center (KPTC), 1281 Win Hentschel Boulevard, West Lafayette, Indiana 47906, United States
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81
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Eloul S, Kätelhön E, Compton RG. When does near-wall hindered diffusion influence mass transport towards targets? Phys Chem Chem Phys 2018; 18:26539-26549. [PMID: 27711751 DOI: 10.1039/c6cp05716k] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The diffusion of a particle is slowed as it moves close to a surface. We identify the conditions under which this hindered diffusion is significant and show that is strongly dependant on the sizes of both the particle and the target. We focus particularly on the transport of nano-particles to a variety of targets including a planar surface, a sphere, a disc and a wire, and provide data which allows the frequency of impacts to be inferred for a variety of experimental conditions. Equations are given to estimate the particle fluxes and we explain literature observations reported on the detected frequency of impacts. Finally we observe a drastic effect on the calculation of the mean first passage time of a single particle impacting a sub-micron sized target, showing the importance of this effect in biological systems.
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Affiliation(s)
- Shaltiel Eloul
- Department of Chemistry, Physical and Theoretical Chemistry, Oxford University, South Parks Road, Oxford OX1 3QZ, UK.
| | - Enno Kätelhön
- Department of Chemistry, Physical and Theoretical Chemistry, Oxford University, South Parks Road, Oxford OX1 3QZ, UK.
| | - Richard G Compton
- Department of Chemistry, Physical and Theoretical Chemistry, Oxford University, South Parks Road, Oxford OX1 3QZ, UK.
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82
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Sokolov SV, Eloul S, Kätelhön E, Batchelor-McAuley C, Compton RG. Electrode-particle impacts: a users guide. Phys Chem Chem Phys 2018; 19:28-43. [PMID: 27918031 DOI: 10.1039/c6cp07788a] [Citation(s) in RCA: 154] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
We present a comprehensive guide to nano-impact experiments, in which we introduce newcomers to this rapidly-developing field of research. Central questions are answered regarding required experimental set-ups, categories of materials that can be detected, and the theoretical frameworks enabling the analysis of experimental data. Commonly-encountered issues are considered and presented alongside methods for their solutions.
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Affiliation(s)
- Stanislav V Sokolov
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, UK.
| | - Shaltiel Eloul
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, UK.
| | - Enno Kätelhön
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, UK.
| | - Christopher Batchelor-McAuley
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, UK.
| | - Richard G Compton
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, UK.
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83
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Zhou M, Dick JE, Hu K, Mirkin MV, Bard AJ. Ultrasensitive Electroanalysis: Femtomolar Determination of Lead, Cobalt, and Nickel. Anal Chem 2017; 90:1142-1146. [DOI: 10.1021/acs.analchem.7b03355] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Min Zhou
- Center
for Electrochemistry, Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Jeffrey E. Dick
- Center
for Electrochemistry, Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Keke Hu
- Department
of Chemistry and Biochemistry, Queens College, City University of New York, Flushing, New York 11367, United States
| | - Michael V. Mirkin
- Department
of Chemistry and Biochemistry, Queens College, City University of New York, Flushing, New York 11367, United States
| | - Allen J. Bard
- Center
for Electrochemistry, Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
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84
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Laborda E, Molina A, Batchelor-McAuley C, Compton RG. Individual Detection and Characterization of Non-Electrocatalytic, Redox-Inactive Particles in Solution by using Electrochemistry. ChemElectroChem 2017. [DOI: 10.1002/celc.201701000] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Eduardo Laborda
- Departamento de Química Física, Facultad de Química, Regional Campus of International Excellence “Campus Mare Nostrum”; Universidad de Murcia; 30100 Murcia Spain
| | - Angela Molina
- Departamento de Química Física, Facultad de Química, Regional Campus of International Excellence “Campus Mare Nostrum”; Universidad de Murcia; 30100 Murcia Spain
| | - Christopher Batchelor-McAuley
- Department of Chemistry, Physical & Theoretical Chemistry Laboratory; Oxford University; South Parks Road Oxford OX1 3QZ UK
| | - Richard G. Compton
- Department of Chemistry, Physical & Theoretical Chemistry Laboratory; Oxford University; South Parks Road Oxford OX1 3QZ UK
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85
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You JB, Kim YT, Lee KG, Choi Y, Choi S, Kim CH, Kim KH, Chang SJ, Lee TJ, Lee SJ, Im SG. Surface-Modified Mesh Filter for Direct Nucleic Acid Extraction and its Application to Gene Expression Analysis. Adv Healthc Mater 2017; 6. [PMID: 28714572 DOI: 10.1002/adhm.201700642] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Indexed: 12/23/2022]
Abstract
Rapid and convenient isolation of nucleic acids (NAs) from cell lysate plays a key role for onsite gene expression analysis. Here, this study achieves one-step and efficient capture of NA directly from cell lysate by developing a cationic surface-modified mesh filter (SMF). By depositing cationic polymer via vapor-phase deposition process, strong charge interaction is introduced on the surface of the SMF to capture the negatively charged NAs. The NA capturing capability of SMF is confirmed by X-ray photoelectron spectroscopy, fluorescent microscopy, and zeta potential measurement. In addition, the genomic DNAs of Escherichia Coli O157:H7 can be extracted by the SMF from artificially infected food, and fluorescent signal is observed on the surface of SMF after amplification of target gene. The proposed SMF is able to provide a more simplified, convenient, and fast extraction method and can be applied to the fields of food safety testing, clinical diagnosis, or environmental pollutant monitoring.
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Affiliation(s)
- Jae Bem You
- Department of Chemical and Biomolecular Engineering; Korea Advanced Institute of Science and Technology (KAIST); Daejeon 34141 Republic of Korea
| | - Yong Tae Kim
- Department of Nano Bio Research; National NanoFab Center (NNFC); Daejeon 34141 Republic of Korea
| | - Kyoung G. Lee
- Department of Nano Bio Research; National NanoFab Center (NNFC); Daejeon 34141 Republic of Korea
| | - Yunho Choi
- Department of Chemical and Biomolecular Engineering; Korea Advanced Institute of Science and Technology (KAIST); Daejeon 34141 Republic of Korea
| | - Seongkyun Choi
- Department of Nano Bio Research; National NanoFab Center (NNFC); Daejeon 34141 Republic of Korea
| | - Chi Hyun Kim
- Department of Nano Bio Research; National NanoFab Center (NNFC); Daejeon 34141 Republic of Korea
| | - Kyung Hoon Kim
- Department of Nano Bio Research; National NanoFab Center (NNFC); Daejeon 34141 Republic of Korea
| | - Sung Jin Chang
- Department of Chemistry; Chung-Ang University; Seoul 06911 Republic of Korea
| | - Tae Jae Lee
- Department of Nano Bio Research; National NanoFab Center (NNFC); Daejeon 34141 Republic of Korea
| | - Seok Jae Lee
- Department of Nano Bio Research; National NanoFab Center (NNFC); Daejeon 34141 Republic of Korea
| | - Sung Gap Im
- Department of Chemical and Biomolecular Engineering; Korea Advanced Institute of Science and Technology (KAIST); Daejeon 34141 Republic of Korea
- Graphene Research Center in KAIST Institute for NanoCentury; Korea Advanced Institute of Science and Technology (KAIST); Daejeon 34141 Republic of Korea
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86
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Han DH, Park S, Kim EJ, Chung TD. In situ Confocal Microscopy of Electrochemical Generation and Collision of Emulsion Droplets in Bromide Redox System. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.08.132] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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87
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Bonezzi J, Luitel T, Boika A. Electrokinetic Manipulation of Silver and Platinum Nanoparticles and Their Stochastic Electrochemical Detection. Anal Chem 2017; 89:8614-8619. [DOI: 10.1021/acs.analchem.7b02807] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Jason Bonezzi
- Department of Chemistry, The University of Akron, 190 East Buchtel Common, Akron, Ohio 44325, United States
| | - Tulashi Luitel
- Department of Chemistry, The University of Akron, 190 East Buchtel Common, Akron, Ohio 44325, United States
| | - Aliaksei Boika
- Department of Chemistry, The University of Akron, 190 East Buchtel Common, Akron, Ohio 44325, United States
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88
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Hoang NT, Ho TL, Park JH, Kim BK. Detection and Study of Single Water/Oil Nanoemulsion Droplet by Electrochemical Collisions on an Ultramicroelectrode. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.05.135] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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89
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Understanding Br − transfer into electrochemically generated discrete quaternary ammonium polybromide droplet on Pt ultramicroelectrode. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.05.014] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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90
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Electrochemical observation of single palladium nanoparticle collision using electrocatalytic current amplification. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.03.045] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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91
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Zhang Y, Li M, Li Z, Li Q, Aldalbahi A, Shi J, Wang L, Fan C, Zuo X. Recognizing single phospholipid vesicle collisions on carbon fiber nanoelectrode. Sci China Chem 2017. [DOI: 10.1007/s11426-017-9036-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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92
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Bonezzi J, Boika A. Deciphering the Magnitude of Current Steps in Electrochemical Blocking Collision Experiments and Its Implications. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.03.090] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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93
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Peng YY, Qian RC, Hafez ME, Long YT. Stochastic Collision Nanoelectrochemistry: A Review of Recent Developments. ChemElectroChem 2017. [DOI: 10.1002/celc.201600673] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yue-Yi Peng
- Key Laboratory for Advanced Materials; School of Chemistry & Molecular Engineering; East China University of Science and Technology; 130 Meilong Road Shanghai 200237 P. R. China
| | - Ruo-Can Qian
- Key Laboratory for Advanced Materials; School of Chemistry & Molecular Engineering; East China University of Science and Technology; 130 Meilong Road Shanghai 200237 P. R. China
| | - Mahmoud Elsayed Hafez
- Key Laboratory for Advanced Materials; School of Chemistry & Molecular Engineering; East China University of Science and Technology; 130 Meilong Road Shanghai 200237 P. R. China
| | - Yi-Tao Long
- Key Laboratory for Advanced Materials; School of Chemistry & Molecular Engineering; East China University of Science and Technology; 130 Meilong Road Shanghai 200237 P. R. China
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94
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Murine Cytomegalovirus Deubiquitinase Regulates Viral Chemokine Levels To Control Inflammation and Pathogenesis. mBio 2017; 8:mBio.01864-16. [PMID: 28096485 PMCID: PMC5241396 DOI: 10.1128/mbio.01864-16] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Maintaining control over inflammatory processes represents a paradox for viral pathogens. Although many viruses induce host inflammatory responses to facilitate infection, control is necessary to avoid overactivation. One way is through the manipulation of proinflammatory chemokine levels, both host and viral. Murine cytomegalovirus (MCMV), a model betaherpesvirus, encodes a viral C-C chemokine, MCK2, which promotes host inflammatory responses and incorporates into virions to facilitate viral dissemination. Here, we show that the activity of M48, the conserved MCMV deubiquitinating enzyme (DUB), regulates MCK2 levels during infection. Inactivation of M48 DUB activity results in viral attenuation and exacerbates virally induced, MCK2-dependent inflammatory responses. M48 DUB activity also influences MCK2 incorporation into virions. Importantly, attenuation of DUB-mutant virus acute replication in vitro and in vivo is largely ameliorated by targeted deletion of MCK2. Thus, uncontrolled MCK2 levels appear to mediate DUB-mutant virus attenuation in specific tissues or cell types. This demonstrates that MCMV M48 DUB activity plays a previously unappreciated role in controlling MCK2 levels, thereby managing MCK2-dependent processes. These findings reveal a novel intrinsic control mechanism of virally induced inflammation and support the identification of betaherpesvirus DUBs as possible new targets for antiviral therapies. Human cytomegalovirus infections represent a tremendous burden not only to those afflicted but also to health care systems worldwide. As cytomegalovirus infections are a leading cause of nongenetic sensory loss and neurodevelopmental delay, it is imperative that valuable model systems exist in order that we might understand what viral factors contribute to replication and pathogenesis. Currently, the only approved drug treatments against CMV infection are nucleoside analogues, to which some strains have become resistant. Understanding unique viral enzymatic contributions to infections will allow the development of novel pharmacological therapies. Here, we show that M48, the conserved MCMV deubiquitinase, is critical for MCMV replication in mice and demonstrate that attenuation is due to deregulated production of a viral proinflammatory chemokine. The deubiquitinases of both human and murine CMV represent structurally unique DUBs and are therefore attractive targets for pharmacological intervention. Continued research into the substrates of these DUBs will lend additional insight into their potential as targets.
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Kawasaki H, Kosugi I, Meguro S, Iwashita T. Pathogenesis of developmental anomalies of the central nervous system induced by congenital cytomegalovirus infection. Pathol Int 2017; 67:72-82. [PMID: 28074532 DOI: 10.1111/pin.12502] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Accepted: 12/08/2016] [Indexed: 01/23/2023]
Abstract
In humans, the herpes virus family member cytomegalovirus (CMV) is the most prevalent mediator of intrauterine infection-induced congenital defect. Central nervous system (CNS) dysfunction is a distinguishing symptom of CMV infection, and characterized by ventriculoencephalitis and microglial nodular encephalitis. Reports on the initial distribution of CMV particles and its receptors on the blood brain barrier (BBB) are rare. Nevertheless, several factors are suggested to affect CMV etiology. Viral particle size is the primary factor in determining the pattern of CNS infections, followed by the expression of integrin β1 in endothelial cells, pericytes, meninges, choroid plexus, and neural stem progenitor cells (NSPCs), which are the primary targets of CMV infection. After initial infection, CMV disrupts BBB structural integrity to facilitate the spread of viral particles into parenchyma. Then, the initial meningitis and vasculitis eventually reaches NSPC-dense areas such as ventricular zone and subventricular zone, where viral infection inhibits NSPC proliferation and differentiation and results in neuronal cell loss. These cellular events clinically manifest as brain malformations such as a microcephaly. The purpose of this review is to clearly delineate the pathophysiological basis of congenital CNS anomalies caused by CMV.
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Affiliation(s)
- Hideya Kawasaki
- Department of Regenerative & Infectious Pathology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Isao Kosugi
- Department of Regenerative & Infectious Pathology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Shiori Meguro
- Department of Regenerative & Infectious Pathology, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Toshihide Iwashita
- Department of Regenerative & Infectious Pathology, Hamamatsu University School of Medicine, Hamamatsu, Japan
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96
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Meekins BH. Detection of single metal nanoparticle collision events in non-aqueous media. Phys Chem Chem Phys 2017. [DOI: 10.1039/c7cp03042h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We demonstrate detection of single metal nanoparticle collisions in non-aqueous media and discuss challenges revealed by results.
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Affiliation(s)
- Benjamin H. Meekins
- Department of Chemical Engineering
- The University of South Carolina
- Columbia
- USA
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97
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Yao C, Song H, Wan Y, Ma K, Zheng C, Cui H, Xin P, Ji X, Deng S. Electro-Photodynamic Visualization of Singlet Oxygen Induced by Zinc Porphyrin Modified Microchip in Aqueous Media. ACS APPLIED MATERIALS & INTERFACES 2016; 8:34833-34843. [PMID: 27762540 DOI: 10.1021/acsami.6b10213] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A porphyrin-based electro-photodynamic imaging system was fabricated for monitoring the concentration of oxygen. Distinct from the electrochemiluminescent (ECL) inability of numerous organic species in aqueous solutions, a strong and stable red irradiation at 634 nm could be stimulated electrochemically on zinc(II) meso-tetra(4-carboxyphenyl) porphine (ZnTCPP)/tetraoctylammonium bromide (TOAB) in the physiological condition. In terms of in situ electron paramagnetic resonance and ECL spectroscopies, the nature of ECL was thoroughly investigated, being exactly the chemiluminescence from singlet oxygen (1O2) produced during the successive electro-reduction of ZnTCPP. Meanwhile, the excellent film-making capacity of amphiphilic TOAB as a potent ion barrier granted the luminophores a micro-order and patternable electrode modification. Such platform was exceptionally tolerant of pH variation, facilitating a durable solid-state ECL visualization under potentiostatic electrolysis and time exposure in the charge-coupled device (CCD) camera. For flow-injection and real-time detection, a chip-mounted microfluidic cell was customized and manufactured. A sensitive and simple vision-sensing of O2 was further achieved with a real determination limit as low as a few micromolar level. The developed ECL imaging system is a good prototype and an eco-friendly technique in the cathodic range, and thus, it would supplement the primary anodic imaging library, showing great promise for multiplexed and colorimetric assays as well as oxygen-involved activity studies in the future.
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Affiliation(s)
- Chuanguang Yao
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology , Nanjing 210094, P.R. China
| | - Hongxin Song
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology , Nanjing 210094, P.R. China
| | - Ying Wan
- Intelligent Microsystem Technology and Engineering Center, School of Mechanical Engineering, Nanjing University of Science and Technology , Nanjing 210094, P.R. China
| | - Kefeng Ma
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology , Nanjing 210094, P.R. China
| | - Chenyu Zheng
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology , Nanjing 210094, P.R. China
| | - Hongda Cui
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology , Nanjing 210094, P.R. China
| | - Peng Xin
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology , Nanjing 210094, P.R. China
| | - Xubo Ji
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology , Nanjing 210094, P.R. China
| | - Shengyuan Deng
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology , Nanjing 210094, P.R. China
- Materials Research Science and Engineering Centers (MRSEC), Department of Chemistry, Penn State University , University Park, Pennsylvania 16801, United States
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98
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Assaifan AK, Lloyd JS, Samavat S, Deganello D, Stanton RJ, Teng KS. Nanotextured Surface on Flexographic Printed ZnO Thin Films for Low-Cost Non-Faradaic Biosensors. ACS APPLIED MATERIALS & INTERFACES 2016; 8:33802-33810. [PMID: 27960397 DOI: 10.1021/acsami.6b11640] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In this work, the formation of a nanotextured surface is reported on flexographic printed zinc oxide thin films which provide an excellent platform for low-cost, highly sensitive biosensing applications. The ability to produce nanotextured surfaces using a high-throughput, roll-to-roll production method directly from precursor ink without any complicated processes is commercially attractive for biosensors that are suitable for large-scale screening of diseases at low cost. The zinc oxide thin film was formed by printing a zinc acetate precursor ink solution and annealing at 300 °C. An intricate nanotexturing of the film surface was achieved through 150 °C drying process between multiple prints. These surface nanostructures were found to be in the range of 100 to 700 nm in length with a width of 58 ± 18 nm and a height of between 20 and 60 nm. Such structures significantly increase the surface area to volume ratio of the biosensing material, which is essential to high sensitivity detection of diseases. Nonfaradaic electrochemical impedance spectroscopy measurements were carried out to detect the pp65-antigen of the human cytomegalovirus using the printed device, which has a low limit of detection of 5 pg/mL.
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Affiliation(s)
| | | | | | | | - Richard J Stanton
- Institute of Infection & Immunity, School of Medicine, Cardiff University , Henry Wellcome Building, Heath Park, Cardiff CF14 4XN, United Kingdom
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99
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Laborda E, Molina A, Espín VF, Martínez‐Ortiz F, García de la Torre J, Compton RG. Single Fusion Events at Polarized Liquid–Liquid Interfaces. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201610185] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Eduardo Laborda
- Department of Physical Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum” University of Murcia Murcia 30100 Spain
| | - Angela Molina
- Department of Physical Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum” University of Murcia Murcia 30100 Spain
| | - Vanesa Fernández Espín
- Department of Physical Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum” University of Murcia Murcia 30100 Spain
| | - Francisco Martínez‐Ortiz
- Department of Physical Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum” University of Murcia Murcia 30100 Spain
| | - José García de la Torre
- Department of Physical Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum” University of Murcia Murcia 30100 Spain
| | - Richard G. Compton
- Department of Chemistry, Physical & Theoretical Chemistry Laboratory Oxford University South Parks Road Oxford OX1 3QZ UK
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100
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Laborda E, Molina A, Espín VF, Martínez‐Ortiz F, García de la Torre J, Compton RG. Single Fusion Events at Polarized Liquid–Liquid Interfaces. Angew Chem Int Ed Engl 2016; 56:782-785. [DOI: 10.1002/anie.201610185] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 11/15/2016] [Indexed: 12/27/2022]
Affiliation(s)
- Eduardo Laborda
- Department of Physical Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum” University of Murcia Murcia 30100 Spain
| | - Angela Molina
- Department of Physical Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum” University of Murcia Murcia 30100 Spain
| | - Vanesa Fernández Espín
- Department of Physical Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum” University of Murcia Murcia 30100 Spain
| | - Francisco Martínez‐Ortiz
- Department of Physical Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum” University of Murcia Murcia 30100 Spain
| | - José García de la Torre
- Department of Physical Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum” University of Murcia Murcia 30100 Spain
| | - Richard G. Compton
- Department of Chemistry, Physical & Theoretical Chemistry Laboratory Oxford University South Parks Road Oxford OX1 3QZ UK
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