1
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Zhao S, Yue Z, Zhu D, Harberts J, Blick RH, Zierold R, Lisdat F, Parak WJ. Quantum Dot/TiO 2 Nanocomposite-Based Photoelectrochemical Sensor for Enhanced H 2O 2 Detection Applied for Cell Monitoring and Visualization. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2401703. [PMID: 39210661 DOI: 10.1002/smll.202401703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2024] [Revised: 08/08/2024] [Indexed: 09/04/2024]
Abstract
This work exploits the possibility of using CdSe/ZnS quantum dot (QD)-electrodes to monitor the metabolism of living cells based on photoelectrochemical (PEC) measurements. To realize that, the PEC setup is improved with respect to an enhanced photocurrent signal, better stability, and an increased signal-to-noise ratio, but also for a better biocompatibility of the sensor surface on which cells have been grown. To achieve this, a QD-TiO2 heterojunction is introduced with the help of atomic layer deposition (ALD). The heterojunction reduces the charge carrier recombination inside the semiconductor nanoparticles and improves the drift behavior. The PEC performance is carefully analyzed by adjusting the TiO2 thickness and combining this strategy with multilayer immobilizations of QDs. The optimal thickness of this coating is ≈5 nm; here, photocurrent generation can be enhanced significantly (e.g., for a single QD layer electrode by more than one order of magnitude at 0 V vs Ag/AgCl). The resulting optimized electrode is used for hydrogen peroxide (H2O2) sensing with a good sensitivity down to µmolar concentrations, reusability, stability, response rate, and repeatability. Finally, the sensing system is applied to monitor the activity of cells directly grown on top of the electrode surface.
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Grants
- F2021203102 Hebei Natural Science Foundation, Science Research Project of Hebei Education Department, S&T Program of Hebei
- C20210324 Hebei Natural Science Foundation, Science Research Project of Hebei Education Department, S&T Program of Hebei
- F2023203085 Hebei Natural Science Foundation, Science Research Project of Hebei Education Department, S&T Program of Hebei
- F2024203033 Hebei Natural Science Foundation, Science Research Project of Hebei Education Department, S&T Program of Hebei
- ZD2022108 Hebei Natural Science Foundation, Science Research Project of Hebei Education Department, S&T Program of Hebei
- 236Z1705G Hebei Natural Science Foundation, Science Research Project of Hebei Education Department, S&T Program of Hebei
- China Scholarship Council
- Deutsche Forschungsgemeinschaft
- EXC 2056 Cluster of Excellence "Advanced Imaging of Matter"
- 390715994 Cluster of Excellence "Advanced Imaging of Matter"
- 192346071 the SFB986 "Tailor-Made Multi-Scale Materials Systems"
- 61871240 National Natural Science Foundation of China
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Affiliation(s)
- Shuang Zhao
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, 22761, Germany
- Key Laboratory for Special Fiber and Fiber Sensor of Hebei Province, School of Information Science and Engineering, Yanshan University, Qinhuangdao, 066004, China
| | - Zhao Yue
- Department of Microelectronics, Nankai University, Tianjin, 30071, China
| | - Dingcheng Zhu
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, 22761, Germany
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, China
| | - Jann Harberts
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, 22761, Germany
- Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, 3052, VIC, Australia
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, 3168, VIC, Australia
| | - Robert H Blick
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, 22761, Germany
| | - Robert Zierold
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, 22761, Germany
| | - Fred Lisdat
- Biosystems Technology, Institute of Life Sciences and Biomedical Technologies, Technical University of Applied Sciences Wildau, Wildau, 15745, Germany
| | - Wolfgang J Parak
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, 22761, Germany
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2
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Qu J, Beznasyuk DV, Cassidy M, Tanta R, Yang L, Holmes NP, Griffith MJ, Krogstrup P, Cairney JM. Atomic-Scale Characterization of Planar Selective-Area-Grown InAs/InGaAs Nanowires. ACS APPLIED MATERIALS & INTERFACES 2022; 14:47981-47990. [PMID: 36222623 DOI: 10.1021/acsami.2c09594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Atomic-scale information about the structural and compositional properties of novel semiconductor nanowires is essential to tailoring their properties for specific applications, but characterization at this length scale remains a challenging task. Here, quasi-1D InAs/InGaAs semiconductor nanowire arrays were grown by selective area epitaxy (SAE) using molecular beam epitaxy (MBE), and their subsequent properties were analyzed by a combination of atom probe tomography (APT) and aberration-corrected transmission electron microscopy (TEM). Results revealed the chemical composition of the outermost thin InAs layer, a fine variation in the indium content at the InAs/InGaAs interface, and lightly incorporated element tracing. The results highlight the importance of correlative microscopy approaches in revealing complex nanoscale structures, with TEM being uniquely suited to interrogating the crystallography of InGaAs NWs, whereas APT is capable of three-dimensional (3D) elemental mapping, revealing the subtle compositional variation near the boundary region. This work demonstrates a detailed pathway for the nanoscale structural assessment of novel one-dimensional (1D) nanomaterials.
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Affiliation(s)
| | - Daria V Beznasyuk
- Center for Quantum Devices, Niels Bohr Institute, University of Copenhagen, 2100 Copenhagen, Denmark
| | | | - Rawa Tanta
- Center for Quantum Devices, Niels Bohr Institute, University of Copenhagen, 2100 Copenhagen, Denmark
| | | | | | | | - Peter Krogstrup
- Center for Quantum Devices, Niels Bohr Institute, University of Copenhagen, 2100 Copenhagen, Denmark
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3
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Zhao S, Riedel M, Patarroyo J, Bastús NG, Puntes V, Yue Z, Lisdat F, Parak WJ. Tailoring of the photocatalytic activity of CeO 2 nanoparticles by the presence of plasmonic Ag nanoparticles. NANOSCALE 2022; 14:12048-12059. [PMID: 35946341 DOI: 10.1039/d2nr01318e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The present study investigates basic features of a photoelectrochemical system based on CeO2 nanoparticles fixed on gold electrodes. Since photocurrent generation is limited to the absorption range of the CeO2 in the UV range, the combination with metal nanoparticles has been studied. It can be shown that the combination of silver nanoparticles with the CeO2 can shift the excitation range into the visible light wavelength range. Here a close contact between both components has been found to be essential and thus, hybrid CeO2@Ag nanoparticles have been prepared and analyzed. We have collected arguments that electron transfer occurs between both compositional elements of the hybrid nanoparticles.The photocurrent generation can be rationalized on the basis of an energy diagram underlying the necessity of surface plasmon excitation in the metal nanoparticles, which is also supported by wavelength-dependent photocurrent measurements. However, electrochemical reactions seem to occur at the CeO2 surface and consequently, the catalytic properties of this material can be exploited as exemplified with the photoelectrochemical reduction of hydrogen peroxide. It can be further demonstrated that the layer-by layer technique can be exploited to create a multilayer system on top of a gold electrode which allows the adjustment of the sensitivity of the photoelectrochemical system. Thus, with a 5-layer electrode with hybrid CeO2@Ag nanoparticles submicromolar hydrogen peroxide concentrations can be detected.
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Affiliation(s)
- Shuang Zhao
- Fachbereich Physik, CHyN, Universität Hamburg, 22761 Hamburg, Germany.
| | - Marc Riedel
- Biosystems Technology, Institute of Life Sciences and Biomedical Technologies, Technical University of Applied Sciences Wildau, 15745 Wildau, Germany.
| | - Javier Patarroyo
- Institut Català de Nanociència i Nanotecnologia (ICN2), CSIC and BIST, Campus UAB, Bellaterra, 08193 Barcelona, Catalonia, Spain
| | - Neus G Bastús
- Institut Català de Nanociència i Nanotecnologia (ICN2), CSIC and BIST, Campus UAB, Bellaterra, 08193 Barcelona, Catalonia, Spain
| | - Victor Puntes
- Institut Català de Nanociència i Nanotecnologia (ICN2), CSIC and BIST, Campus UAB, Bellaterra, 08193 Barcelona, Catalonia, Spain
- Vall d'Hebron Institut de Recerca (VHIR), 08035 Barcelona, Catalonia, Spain
- ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Catalonia, Spain
| | - Zhao Yue
- Department of Microelectronics, Nankai University, 30071 Tianjin, China.
| | - Fred Lisdat
- Biosystems Technology, Institute of Life Sciences and Biomedical Technologies, Technical University of Applied Sciences Wildau, 15745 Wildau, Germany.
| | - Wolfgang J Parak
- Fachbereich Physik, CHyN, Universität Hamburg, 22761 Hamburg, Germany.
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4
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Welden R, Komesu CAN, Wagner PH, Schöning MJ, Wagner T. Photoelectrochemical enzymatic penicillin biosensor: A proof‐of‐concept experiment. ELECTROCHEMICAL SCIENCE ADVANCES 2022. [DOI: 10.1002/elsa.202100131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Rene Welden
- Institute of Nano‐ and Biotechnologies Aachen University of Applied Sciences Jülich Germany
- Laboratory for Soft Matter and Biophysics Katholieke Universiteit Leuven Leuven Belgium
| | | | - Patrick H. Wagner
- Laboratory for Soft Matter and Biophysics Katholieke Universiteit Leuven Leuven Belgium
| | - Michael J. Schöning
- Institute of Nano‐ and Biotechnologies Aachen University of Applied Sciences Jülich Germany
- Institute of Biological Information Processing (IBI‐3) Forschungszentrum Jülich Jülich Germany
| | - Torsten Wagner
- Institute of Nano‐ and Biotechnologies Aachen University of Applied Sciences Jülich Germany
- Institute of Biological Information Processing (IBI‐3) Forschungszentrum Jülich Jülich Germany
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5
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Qi X, Lv L, Wei D, Lee JJ, Niu M, Cui C, Guo Z. Detection of aflatoxin B 1 with a new label-free fluorescence aptasensor based on PVP-coated single-walled carbon nanohorns and SYBR Gold. Anal Bioanal Chem 2022; 414:3087-3094. [PMID: 35118572 DOI: 10.1007/s00216-022-03938-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 01/25/2022] [Accepted: 01/28/2022] [Indexed: 11/01/2022]
Abstract
This paper describes a novel fluorescence label-free aptasensor to detect aflatoxin B1 (AFB1) by utilizing SYBR Gold, aptamer, and single-walled carbon nanohorns (SWCNHs). In the presence of AFB1, the conformation of AFB1-specific aptamer went through and the spatial structure of this specific aptamer was transformed accordingly. Due to the resistance of the transformed aptamer when adsorbed on the surface of SWCNHs, the protection of the fluorescence of SYBR Gold was accomplished. Consequently, concentrations of AFB1 showed a strong association with fluorescence intensity. The detection limit (LOD) of AFB1 was 1.89 ng/mL, while the linear range was 5-200 ng/mL and fluorescence intensity satisfactorily correlated (R2 = 0.9919) with the logarithm of AFB1 concentration.
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Affiliation(s)
- Xin Qi
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Yanbian University, Yanji, 133002, China.,College of Pharmacy, Yanbian University, Yanji, 133002, China
| | - Lei Lv
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Yanbian University, Yanji, 133002, China.,College of Agriculture, Yanbian University, Yanji, 133002, China
| | - Dongxu Wei
- Technology Center of Harbin Customs, Harbin, 150008, China
| | - Jung Joon Lee
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Yanbian University, Yanji, 133002, China
| | - Mengyu Niu
- College of Agriculture, Yanbian University, Yanji, 133002, China
| | - Chengbi Cui
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Yanbian University, Yanji, 133002, China. .,College of Pharmacy, Yanbian University, Yanji, 133002, China.
| | - Zhijun Guo
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Yanbian University, Yanji, 133002, China. .,College of Agriculture, Yanbian University, Yanji, 133002, China.
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6
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Zhang C, Jin X, Liang Y, Yang L, Li J, Wang R, Liu B, Lv X, Jiang X. Homogeneous and well-aligned GaN nanowire arrays via a modified HVPE process and their cathodoluminescence properties. NANOSCALE 2022; 14:1459-1467. [PMID: 35019934 DOI: 10.1039/d1nr07753h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
In this work, we demonstrate the growth of homogeneous and well-aligned [0001]-oriented 1-D GaN nanoarrays via a modified hydride vapor phase epitaxy (HVPE) process using GaCl3 and NH3 as precursors. The density and length of the grown nanowires can be easily controlled by the process parameters. It was found that the growth technique provides Cl-rich growth conditions, which lead to special morphology and optical properties of the GaN nanoarrays. Different from reported GaN nanowires, the as-synthesized GaN nanoarrays in this study exhibit a hollow bamboo-like structure. Also, the cathodoluminescence spectrum shows strong visible luminescence between 400 and 600 nm wavelengths centered at 450 nm, and the disappearance of an intrinsic emission peak, which has been investigated in detail with the assistance of first-principles calculations. The strategy proposed in this work will pave a solid way for the controlled nucleation and growth of well-aligned GaN nanowire arrays which are significant for applications in large-scale integrated optoelectronic nanodevices, functionalized sensors and photoelectrocatalysis.
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Affiliation(s)
- Cai Zhang
- Shenyang National Laboratory for Materials Science (SYNL), Institute of Metal Research (IMR), Chinese Academy of Sciences (CAS), No. 72, Wenhua Road, Shenhe District, Shenyang, 110016, China.
- School of Materials Science and Engineering, University of Science and Technology of China, No. 72 Wenhua Road, Shenyang, China
| | - Xin Jin
- College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
| | - Yan Liang
- Shenyang National Laboratory for Materials Science (SYNL), Institute of Metal Research (IMR), Chinese Academy of Sciences (CAS), No. 72, Wenhua Road, Shenhe District, Shenyang, 110016, China.
| | - Liu Yang
- Shenyang National Laboratory for Materials Science (SYNL), Institute of Metal Research (IMR), Chinese Academy of Sciences (CAS), No. 72, Wenhua Road, Shenhe District, Shenyang, 110016, China.
- School of Materials Science and Engineering, University of Science and Technology of China, No. 72 Wenhua Road, Shenyang, China
| | - Jing Li
- Foshan Graduate School of Northeastern University, No. 2, Zhihui Road, Foshan, China
| | - Rui Wang
- Institute for Structure and Function and Department of Physics, Chongqing University, Chongqing 400044, China
| | - Baodan Liu
- Foshan Graduate School of Northeastern University, No. 2, Zhihui Road, Foshan, China
| | - Xuewei Lv
- College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
| | - Xin Jiang
- Shenyang National Laboratory for Materials Science (SYNL), Institute of Metal Research (IMR), Chinese Academy of Sciences (CAS), No. 72, Wenhua Road, Shenhe District, Shenyang, 110016, China.
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7
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Wang Z, Deng L, Lu J, Jian Y, Pei G, Shen H, Yang M, Chen X. Photoelectrochemical assay based on CdS nanocrystal\hexagonal carbon-nitrogen tube nanocomposite for detection of silver ions. Anal Bioanal Chem 2022; 414:2147-2153. [PMID: 35039896 DOI: 10.1007/s00216-021-03850-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/02/2021] [Accepted: 12/13/2021] [Indexed: 11/29/2022]
Abstract
A photochemical assay was reported based on CdS nanocrystal (NC)\hexagonal carbon-nitrogen tube (HCNT) nanocomposite for the detection of Ag+. When CdS NCs were combined with HCNT, the photocurrent intensity was increased extensively. After incubation of Ag+ with CdS NC\HCNT nanocomposite-modified electrode, Ag2S was formed on the electrode by the ion-change reaction. As the band gap of Ag2S cannot match well with HCNT, the photogenerated electron-hole pairs cannot separate efficiently, so the photocurrent intensity decreases. A good linear relationship between the concentration of Ag+ in the range from 0.01 to 3 μM and the corresponding photocurrent intensity was obtained with a detection limit of 3.3 nM (S/N = 3). The assay was employed to detect Ag+ in lake water and human serum with satisfactory results, which indicated that it might have a broad application in different areas. Photoelectrochemical assay was reported based on CdS nanocrystal\hexagonal carbon-nitrogen tube nanocomposite for detection of Ag.
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Affiliation(s)
- Zaoxia Wang
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Lei Deng
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Jin Lu
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Yifeng Jian
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Guanghao Pei
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Hongchao Shen
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Minghui Yang
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China.
| | - Xiang Chen
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, 410008, China.
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8
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del Barrio M, Rana M, Vilatela JJ, Lorenzo E, De Lacey AL, Pita M. Photoelectrocatalytic detection of NADH on n-type silicon semiconductors facilitated by carbon nanotube fibers. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138071] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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9
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Huang Y, Han Y, Gao Y, Gao J, Ji H, He Q, Tu J, Xu G, Zhang Y, Han L. Electrochemical sensor array with nanoporous gold nanolayer and ceria@gold corona-nanocomposites enhancer integrated into microfluidic for simultaneous ultrasensitive lead ion detection. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.137921] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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10
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Zhao S, Riedel M, Patarroyo J, Bastus N, Puntes V, Yue Z, Lisdat F, Parak WJ. Introducing visible-light sensitivity into photocatalytic CeO 2 nanoparticles by hybrid particle preparation exploiting plasmonic properties of gold: enhanced photoelectrocatalysis exemplified for hydrogen peroxide sensing. NANOSCALE 2021; 13:980-990. [PMID: 33367345 DOI: 10.1039/d0nr06356h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
In this report we combine the catalytic properties of CeO2 nanoparticles with their transduction ability for photoelectrochemical sensing. This study highlights the usage of CeO2 providing catalytic activity towards H2O2, but only with a limited excitation range in the UV for the construction of a sensing system. In order to improve the photoelectrocatalysis of CeO2 nanoparticles by extending their excitation to visible light, Au/CeO2 core/shell hybrid nanoparticles have been synthesized. The hybrid nanoparticles are fixed on electrodes, allowing for the generation of photocurrents, the direction of which can be controlled by the electrode potential (without bias). The application of the hybrid nanoparticles results in an enhanced photocurrent amplitude under white light illumination as compared to the pure CeO2 nanoparticles. Wavelength-dependent measurements confirm the participation of the Au core in the signal transduction. This can be explained by improved charge carrier generation within the hybrid particles. Thus, by using a plasmonic element the photoelectochemical response of a catalytic nanoparticle (i.e. CeO2) has been spectrally extended. The effect can be exploited for sensorial hydrogen peroxide detection. Here higher photocatalytic current responses have been found for the hybrid particles fixed to gold electrodes although the catalytic reduction has been comparable for both types of nanoparticles. Thus, it can be demonstrated that Au/CeO2 core-shell nanoparticles allow the utilization of visible light for photoelectrochemical hydrogen peroxide (H2O2) detection with improved sensitivity under white light illumination or application of such particles with only visible light excitation, which is not possible for pure CeO2. With help of the layer-by-layer (LbL) technique for nanoparticle immobilization, the electrode response can be adjusted and with a 5 layers electrode a low detection limit of about 3 μM H2O2 with a linear detection range up to 2000 μM is obtained.
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Affiliation(s)
- Shuang Zhao
- Fachbereich Physik, CHyN, Universität Hamburg, 22761, Hamburg, Germany
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11
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Ziegler JM, Andoni I, Choi EJ, Fang L, Flores-Zuleta H, Humphrey NJ, Kim DH, Shin J, Youn H, Penner RM. Sensors Based Upon Nanowires, Nanotubes, and Nanoribbons: 2016-2020. Anal Chem 2020; 93:124-166. [PMID: 33242951 DOI: 10.1021/acs.analchem.0c04476] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Joshua M Ziegler
- Department of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - Ilektra Andoni
- Department of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - Eric J Choi
- Department of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - Lu Fang
- Department of Automation, Hangzhou Dianzi University, 1158 Second Street, Xiasha, Hangzhou 310018, China
| | - Heriberto Flores-Zuleta
- Department of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - Nicholas J Humphrey
- Department of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - Dong-Hwan Kim
- School of Chemical Engineering, Sungkyunkwan University, Seobu-ro 2066, Jangan-gu Suwon, Gyeonggi-do 16419, South Korea
| | - Jihoon Shin
- School of Chemical Engineering, Sungkyunkwan University, Seobu-ro 2066, Jangan-gu Suwon, Gyeonggi-do 16419, South Korea
| | - Hyunho Youn
- School of Chemical Engineering, Sungkyunkwan University, Seobu-ro 2066, Jangan-gu Suwon, Gyeonggi-do 16419, South Korea
| | - Reginald M Penner
- Department of Chemistry, University of California, Irvine, Irvine, California 92697, United States
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12
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Maduraiveeran G. Metal Nanocomposites Based Electrochemical Sensor Platform for few Emerging Biomarkers. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411016999201117094213] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
:
Design of high-performance electrochemical sensor and biosensor platforms has attracted much devotion for
the sensitive and selective detection of emergent biomarkers. Electrochemical sensor offers numerous advantageous
features include cost-effective and ease of miniaturization, rapid and online monitoring, simultaneous detection ability,
etc., which have captivated the potential interdisciplinary research. In this review, the advances and challenges towards
the electrochemical detection of emergent biomarkers such as hydrogen peroxide, nitric oxide, β-nicotinamide adenine
acetaminophen, dinucleotide (NADH) in biofluids are highlighted based on the recent research outcomes. In fact, the
effective utility and benefits of transition metal nanocomposites without the utilization of biological materials, including
enzymes, antibodies, etc. as electrode materials towards the detection of selected biomarkers in practical biofluids,
monitoring early-stage and diagnosis of disease related biomarkers, are also described. These promising metal
nanomaterials based electrochemical sensor platforms concrete the tactic for a new generation of sensing devices.
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Affiliation(s)
- Govindhan Maduraiveeran
- Department of Chemistry, Materials Electrochemistry Laboratory, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur-603 203, Chennai, Tamil Nadu, India
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13
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Enhancement of Biosensors by Implementing Photoelectrochemical Processes. SENSORS 2020; 20:s20113281. [PMID: 32526947 PMCID: PMC7308923 DOI: 10.3390/s20113281] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 06/05/2020] [Accepted: 06/06/2020] [Indexed: 12/15/2022]
Abstract
Research on biosensors is growing in relevance, taking benefit from groundbreaking knowledge that allows for new biosensing strategies. Electrochemical biosensors can benefit from research on semiconducting materials for energy applications. This research seeks the optimization of the semiconductor-electrode interfaces including light-harvesting materials, among other improvements. Once that knowledge is acquired, it can be implemented with biological recognition elements, which are able to transfer a chemical signal to the photoelectrochemical system, yielding photo-biosensors. This has been a matter of research as it allows both a superior suppression of background electrochemical signals and the switching ON and OFF upon illumination. Effective electrode-semiconductor interfaces and their coupling with biorecognition units are reviewed in this work.
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14
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Riedel M, Ruff A, Schuhmann W, Lisdat F, Conzuelo F. Light-controlled imaging of biocatalytic reactions via scanning photoelectrochemical microscopy for multiplexed sensing. Chem Commun (Camb) 2020; 56:5147-5150. [PMID: 32255137 DOI: 10.1039/d0cc00777c] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A light-controlled multiplexing platform has been developed on the basis of a quantum dot-sensitized inverse opal TiO2 electrode with integrated biocatalytic reactions. Spatially resolved illumination enables multiplexed sensing and imaging of enzymatic oxidation reactions at relatively negative applied potentials.
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Affiliation(s)
- Marc Riedel
- Biosystems Technology, Institute of Life Sciences and Biomedical Technologies, Technical University Wildau, Hochschulring 1, D-15745 Wildau, Germany.
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15
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Lin L, Huo J, Peng P, Zou G, Liu L, Duley WW, Zhou YN. Contact engineering of single core/shell SiC/SiO 2 nanowire memory unit with high current tolerance using focused femtosecond laser irradiation. NANOSCALE 2020; 12:5618-5626. [PMID: 32100779 DOI: 10.1039/c9nr10690a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Single nanowire memory units are of particular interest in the design of high-density nanoelectronic circuits, but the performance due to weak contact state remains a major problem. In this paper, bonding between core/shell SiC/SiO2 nanowire and Au electrodes can be improved via local contact engineering with femtosecond (fs) laser irradiation. An optimized heterojunction (Au-SiO2-SiC) is possible since plasmonic enhanced optical absorption can be localized at the metal-oxide (Au-SiO2) interface. Electron transport across the barrier and charge accumulation at the oxide-semiconductor (SiO2-SiC) interface are improved in nanowire circuits. A fast and stable resistance change can be achieved after only one biasing cycle ('write') and the written state can be read/extracted at a low voltage (∼ 0.5 V). Unlike other as-built nanowire circuits, the resistance state can be retained for 10 min in the absence of external power, indicating that these devices can be used for short-term memory units. High current tolerance is also provided in the circuit by the surface oxide shell which acts to protect the inner SiC core. The current density carried by the single SiC/SiO2 nanowire circuit can be as high as ∼3 × 106 A cm-2 before break down, and that breakdown occurs as a two-stage process.
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Affiliation(s)
- Luchan Lin
- Department of Mechanical Engineering, Tsinghua University, Beijing 100084, P.R. China. and Empa, Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
| | - Jinpeng Huo
- Department of Mechanical Engineering, Tsinghua University, Beijing 100084, P.R. China.
| | - Peng Peng
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, P.R. China
| | - Guisheng Zou
- Department of Mechanical Engineering, Tsinghua University, Beijing 100084, P.R. China.
| | - Lei Liu
- Department of Mechanical Engineering, Tsinghua University, Beijing 100084, P.R. China.
| | - Walt W Duley
- Department of Physics and Astronomy, University of Waterloo, Waterloo N2L 3G1, Canada
| | - Y Norman Zhou
- Department of Mechanical and Mechatronics Engineering, University of Waterloo, Waterloo N2L 3G1, Canada
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16
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Huang H, Shang M, Zou Y, Song W, Zhang Y. Iron phosphorus trichalcogenide ultrathin nanosheets: enhanced photoelectrochemical activity under visible-light irradiation. NANOSCALE 2019; 11:21188-21195. [PMID: 31663575 DOI: 10.1039/c9nr07300k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Exploiting novel visible-light sensitive materials for the photoelectrochemical (PEC) technique is deeply meaningful for energy conversion and analytic detection. Owing to the tunable bandgap structure and strong absorption of visible light, the rising-star two-dimensional (2D) metal phosphorus trichalcogenide (MPX3) nanomaterials are expected to be promising photochemical sensitizers toward PEC biosensors. Moreover, guided by DFT calculations, the FePS3 nanosheets possessed a narrower bandgap than the bulk form, thereby enabling high availability of visible-light absorption for the FePS3 nanosheets. In this work, 2D FePS3 nanosheets were successfully synthesized by a facile salt-templated method. By tuning the proportion of the salt template, the thickness of the FePS3 nanosheets could be manipulated. As a result, the FePS3 nanosheets exhibited an obviously enhanced photoelectrochemical behavior with visible light and sensitive detection towards glucose. Being the first experimental report regarding the MPS3 nanosheets toward PEC activity, our finding can be an essential stepping stone in the pursuit of the further exploration of other 2D materials for the PEC technology.
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Affiliation(s)
- Hao Huang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China.
| | - Mengxiang Shang
- College of Chemistry, Jilin University, Changchun 130012, P.R. China.
| | - Yongjin Zou
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China.
| | - Wenbo Song
- College of Chemistry, Jilin University, Changchun 130012, P.R. China.
| | - Ying Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China.
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17
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InGaN as a Substrate for AC Photoelectrochemical Imaging. SENSORS 2019; 19:s19204386. [PMID: 31614420 PMCID: PMC6832470 DOI: 10.3390/s19204386] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 10/04/2019] [Accepted: 10/08/2019] [Indexed: 01/07/2023]
Abstract
AC photoelectrochemical imaging at electrolyte–semiconductor interfaces provides spatially resolved information such as surface potentials, ion concentrations and electrical impedance. In this work, thin films of InGaN/GaN were used successfully for AC photoelectrochemical imaging, and experimentally shown to generate a considerable photocurrent under illumination with a 405 nm modulated diode laser at comparatively high frequencies and low applied DC potentials, making this a promising substrate for bioimaging applications. Linear sweep voltammetry showed negligible dark currents. The imaging capabilities of the sensor substrate were demonstrated with a model system and showed a lateral resolution of 7 microns.
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18
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Li X, Kan X. A boronic acid carbon nanodots/poly(thionine) sensing platform for the accurate and reliable detection of NADH. Bioelectrochemistry 2019; 130:107344. [PMID: 31404808 DOI: 10.1016/j.bioelechem.2019.107344] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 08/01/2019] [Accepted: 08/01/2019] [Indexed: 12/27/2022]
Abstract
In this work, a novel electrochemical sensing platform was designed and fabricated by the modification of boronic acid functionalized carbon nanodots (B-CNDs) and poly(thionine) (pTHI) on an electrode surface. B-CNDs can not only accelerate electron transfer but also covalently interact with cis-diol groups of dihydronicotinamide adenine dinucleotide (NADH) through functionalized boronic acid groups. Meanwhile, pTHI served as an inner reference element to provide a built-in correction, which enabled the sensor to detect NADH with high accuracy and reliability based on a ratiometric signal (∆INADH/∆ITHI). The electrochemical experimental results demonstrated that the ratiometric strategy-based sensor possessed good selectivity and high sensitivity. A linear range of 5.0 × 10-7 - 2.0 × 10-4 mol/L for NADH detection was obtained with a limit of detection of 1.5 × 10-7 mol/L. The sensor has been applied to analyze NADH in human serum samples with satisfactory results. The simple and effective ratiometric strategy reported here can be further used to prepare electrochemical sensors for selective, sensitive, and reliable detection of other cis-diol compounds.
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Affiliation(s)
- Xueyan Li
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, PR China; The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, Anhui Key Laboratory of Chemo-Biosensing, PR China
| | - Xianwen Kan
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, PR China; The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, Anhui Key Laboratory of Chemo-Biosensing, PR China.
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19
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Zhao S, Völkner J, Riedel M, Witte G, Yue Z, Lisdat F, Parak WJ. Multiplexed Readout of Enzymatic Reactions by Means of Laterally Resolved Illumination of Quantum Dot Electrodes. ACS APPLIED MATERIALS & INTERFACES 2019; 11:21830-21839. [PMID: 31117441 DOI: 10.1021/acsami.9b03990] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Triggering electrochemical reactions with light provides a powerful tool for the control of complex reaction schemes on photoactive electrodes. Here, we report on the light-directed, multiplexed detection of enzymatic substrates using a nonstructured gold electrode modified with CdSe/ZnS quantum dots (QDs) and two enzymes, glucose oxidase (GOx) and sarcosine oxidase (SOx). While QDs introduce visible-light sensitivity into the electrode architecture, GOx and SOx allow for a selective conversion of glucose and sarcosine, respectively. For the QD immobilization to the gold electrode, a linker-assisted approach using trans-4,4'-stilbenedithiol has been used, resulting in the generation of a photocurrent. Subsequently, GOx and SOx have been immobilized in spatially separated spots onto the QD electrode. For the local readout of the QD electrode, a new measurement setup has been developed by moving a laser pointer across the surface to defined positions on the chip surface. The amplitudes of the photocurrents upon illumination of the GOx or SOx spot depend in a concentration-dependent manner on the presence of glucose and sarcosine, respectively. This measurement also allows for a selective detection in the presence of other substances. The setup demonstrates the feasibility of multiplexed measurements of enzymatic reactions using a focused light pointer, resulting in an illumination area with a diameter of 0.3 mm for analyzing spots of different enzymes. Moving the laser pointer in the x- and y-direction and simultaneously detecting the local photocurrent also allow a spatial imaging of enzyme immobilization. Here, not only the spot dimensions but also the activity of the enzyme can be verified.
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Affiliation(s)
- Shuang Zhao
- Fachbereich Physik, CHyN , Universität Hamburg , 22761 Hamburg , Germany
| | - Johannes Völkner
- Fachbereich Physik , Philipps-Universität Marburg , Renthof 5 , 35032 Marburg , Germany
| | - Marc Riedel
- Biosystems Technology, Institute of Life Sciences and Biomedical Technologies , Technical University of Applied Sciences Wildau , Hochschulring 1 , 15745 Wildau , Germany
| | - Gregor Witte
- Fachbereich Physik , Philipps-Universität Marburg , Renthof 5 , 35032 Marburg , Germany
| | - Zhao Yue
- Department of Microelectronics , Nankai University , 300350 Tianjin , China
| | - Fred Lisdat
- Biosystems Technology, Institute of Life Sciences and Biomedical Technologies , Technical University of Applied Sciences Wildau , Hochschulring 1 , 15745 Wildau , Germany
| | - Wolfgang J Parak
- Fachbereich Physik, CHyN , Universität Hamburg , 22761 Hamburg , Germany
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20
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Wu F, Zhou B, Wang J, Zhong M, Das A, Watkinson M, Hing K, Zhang DW, Krause S. Photoelectrochemical Imaging System for the Mapping of Cell Surface Charges. Anal Chem 2019; 91:5896-5903. [DOI: 10.1021/acs.analchem.9b00304] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Fan Wu
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, U.K
- Institute of Medical Engineering, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, 710061, China
| | - Bo Zhou
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, U.K
| | - Jian Wang
- Institute of Medical Engineering, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, 710061, China
| | - Muchun Zhong
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, U.K
| | - Anirban Das
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, U.K
| | - Michael Watkinson
- The Lennard-Jones Laboratories, School of Chemical and Physical Sciences, Keele University, Staffordshire, ST5 5BG, U.K
| | - Karin Hing
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, U.K
| | - De-Wen Zhang
- Institute of Medical Engineering, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, 710061, China
| | - Steffi Krause
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, U.K
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21
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Photoelectrochemical platform for sensing propyl gallate in edible oil samples based on CdTe quantum dots and poly(D-glucosamine). J Solid State Electrochem 2019. [DOI: 10.1007/s10008-018-04177-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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22
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Peng J, Zhuge W, Huang Y, Zhang C, Huang W. UV‐Light Photoelectrochemical Sensor Based on the Copper Tetraamino‐Phthalocyanine‐modified ITO Electrode for the Detection of Nifedipine in Drugs and Human Serum. B KOREAN CHEM SOC 2019. [DOI: 10.1002/bkcs.11667] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Jinyun Peng
- College of Chemistry and Chemical EngineeringGuangxi Normal University for Nationalities Chongzuo 532200 China
- School of PharmacyHenan University of Traditional Chinese Medicine Zhengzhou 450046 China
| | - Wenfeng Zhuge
- School of PharmacyHenan University of Traditional Chinese Medicine Zhengzhou 450046 China
| | - Yingying Huang
- College of Chemistry and Chemical EngineeringGuangxi Normal University for Nationalities Chongzuo 532200 China
| | - Cuizhong Zhang
- College of Chemistry and Chemical EngineeringGuangxi Normal University for Nationalities Chongzuo 532200 China
| | - Wei Huang
- College of Chemistry and Chemical EngineeringGuangxi Normal University for Nationalities Chongzuo 532200 China
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23
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Schmidt G, Müller M, Veit P, Metzner S, Bertram F, Hartmann J, Zhou H, Wehmann HH, Waag A, Christen J. Direct imaging of Indium-rich triangular nanoprisms self-organized formed at the edges of InGaN/GaN core-shell nanorods. Sci Rep 2018; 8:16026. [PMID: 30375437 PMCID: PMC6207700 DOI: 10.1038/s41598-018-34382-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 10/15/2018] [Indexed: 11/09/2022] Open
Abstract
Higher indium incorporation in self-organized triangular nanoprisms at the edges of InGaN/GaN core-shell nanorods is directly evidenced by spectral cathodoluminescence microscopy in a scanning transmission electron microscope. The nanoprisms are terminated by three 46 nm wide a-plane nanofacets with sharp interfaces forming a well-defined equilateral triangular base in the basal plane. Redshifted InGaN luminescence and brighter Z-contrast are resolved for these structures compared to the InGaN layers on the nanorod sidewalls, which is attributed to at least 4 % higher indium content. Detailed analysis of the inner optical and structural properties reveals luminescence contributions from 417 nm up to 500 nm peak wavelength proving the increasing indium concentration inside the nanoprism towards the nanorod surface.
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Affiliation(s)
- Gordon Schmidt
- Institute of Physics, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany.
| | - Marcus Müller
- Institute of Physics, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
| | - Peter Veit
- Institute of Physics, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
| | - Sebastian Metzner
- Institute of Physics, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
| | - Frank Bertram
- Institute of Physics, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
| | - Jana Hartmann
- Institute of Semiconductor Technology and Laboratory for Emerging Nanometrology LENA, Technische Universität Braunschweig, Braunschweig, Germany
| | - Hao Zhou
- Institute of Semiconductor Technology and Laboratory for Emerging Nanometrology LENA, Technische Universität Braunschweig, Braunschweig, Germany
| | - Hergo-Heinrich Wehmann
- Institute of Semiconductor Technology and Laboratory for Emerging Nanometrology LENA, Technische Universität Braunschweig, Braunschweig, Germany
| | - Andreas Waag
- Institute of Semiconductor Technology and Laboratory for Emerging Nanometrology LENA, Technische Universität Braunschweig, Braunschweig, Germany
| | - Jürgen Christen
- Institute of Physics, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany
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24
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Mohanty B, Naik KK, Sahoo S, Jena B, Chakraborty B, Rout CS, Jena BK. Efficient Photoelectrocatalytic Activity of CuWO4
Nanoplates towards the Oxidation of NADH Driven in Visible Light. ChemistrySelect 2018. [DOI: 10.1002/slct.201801137] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Bishnupad Mohanty
- CSIR-Institute of Minerals and Materials Technology; Bhubaneswar, Odisha; India-751013
- Department of Chemistry; Utkal University; Bhubaneswar-751004 Odisha
| | - Kusha Kumar Naik
- School of Basic Sciences; Indian Institute of Technology, Bhubaneswar, Odisha; India-751013
| | - Satyapriya Sahoo
- CSIR-Institute of Minerals and Materials Technology; Bhubaneswar, Odisha; India-751013
| | - Bijayalaxmi Jena
- Department of Chemistry; Utkal University; Bhubaneswar-751004 Odisha
| | | | - Chandra Sekhar Rout
- Centre for Nano and Material Sciences; Jain University; Jain Global Campus, Ramanagaram; Bangalore-562112, India
| | - Bikash Kumar Jena
- CSIR-Institute of Minerals and Materials Technology; Bhubaneswar, Odisha; India-751013
- Academy of Scientific & Innovative Research, New Delhi, India-110001
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25
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Photovoltage-triggered electrochromic tablet for visualized photoelectrochemical sensing. Anal Chim Acta 2018; 1049:91-97. [PMID: 30612661 DOI: 10.1016/j.aca.2018.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 07/30/2018] [Accepted: 08/04/2018] [Indexed: 10/28/2022]
Abstract
In this work, we designed an integrated photoelectrochemical (PEC) analytical system with photovoltage-regulated electrochromic tablet for visualized sensing. The electrochromic tablet consisted of electron-injector (EI) part and colorimetric system, which was functionalized with dye-sensitized titanium dioxide and nickel oxide nanosheet film as the recognition element and signal readout, respectively. Under irradiation of home-built white light, the EI part provided sufficient and stable photovoltage and injected the photoexcited electrons to nickel oxide nanosheet through the conductive inner side of indium tin oxide slide. Thus, the different color states of nickel oxide nanosheet were observed, resulting in a detectable signal by naked eyes for visual analysis. More importantly, the color change was identified to be dependent on the photovoltages generated from EI part. Using copper ions as a model analyte, the electrochromic tablet was successfully applied to visually detect copper ions based on its quenching effect on photovoltage due to the formation of exciton trapping. As a result, the copper ions could be simultaneously determined over a wide range through photovoltage record, average RGB value, and naked eyes. Furthermore, the device exhibited considerable stability and could be reused through simple washing steps. The smart tablet PEC system provides a new avenue to design practical PEC sensor in point-of-care diagnosis.
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26
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Song K, Ding C, Zhang B, Chang H, Zhao Z, Wei W, Wang J. Dye sensitized photoelectrochemical immunosensor for the tumor marker CEA by using a flower-like 3D architecture prepared from graphene oxide and MoS2. Mikrochim Acta 2018; 185:310. [DOI: 10.1007/s00604-018-2853-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 05/26/2018] [Indexed: 01/21/2023]
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27
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Lv L, Jin Y, Kang X, Zhao Y, Cui C, Guo Z. PVP-coated gold nanoparticles for the selective determination of ochratoxin A via quenching fluorescence of the free aptamer. Food Chem 2018; 249:45-50. [PMID: 29407930 DOI: 10.1016/j.foodchem.2017.12.087] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 12/14/2017] [Accepted: 12/27/2017] [Indexed: 01/19/2023]
Abstract
This paper describes an aptamer/gold nanoparticle-based assay for ochratoxin A (OTA) detection. This assay is based on the use of an aptamer labeled with carboxyfluorescein (FAM) at its 5'-end and gold nanoparticles (AuNPs) that act as quenchers of fluorescence. When OTA is absent in the system, the fluorescently labeled aptamers are adsorbed on the surface of AuNPs. The fluorescence signal of the fluorescein-labeled OTA aptamer generated is quenched by the fluorescence resonance energy transfer effect of AuNPs. When OTA is present in the system, the fluorescently labeled aptamer binds to OTA and forms a folded structure, which can resist the adsorption of AuNPs. Thus, the fluorescent signal can be retained. The detection limit of this sensing platform is 5 nM, and the linear detection range is 10-1000 nM (R2 = 0.994). The procedure was validated by the quantitation of OTA in spiked ginger powder samples and were found to be free of interference by the sample matrix. The recoveries and the relative standard deviation varied from 89.0% to 117.8% and from 1.9% to 6.3%, respectively.
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Affiliation(s)
- Lei Lv
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Yanbian University, Ministry of Education, Yanji 133002, China
| | - Yongdong Jin
- Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Xiaojiao Kang
- School of Electrical Engineering and Intelligentization, Dongguan University of Technology, Dongguan 523808, China
| | - Yangyang Zhao
- Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Chengbi Cui
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Yanbian University, Ministry of Education, Yanji 133002, China
| | - Zhijun Guo
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Yanbian University, Ministry of Education, Yanji 133002, China.
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28
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Riedel M, Parak WJ, Ruff A, Schuhmann W, Lisdat F. Light as Trigger for Biocatalysis: Photonic Wiring of Flavin Adenine Dinucleotide-Dependent Glucose Dehydrogenase to Quantum Dot-Sensitized Inverse Opal TiO2 Architectures via Redox Polymers. ACS Catal 2018. [DOI: 10.1021/acscatal.8b00951] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Marc Riedel
- Biosystems Technology, Institute for Applied Life Sciences, Technical University Wildau, Hochschulring 1, D-15745 Wildau, Germany
| | - Wolfgang J. Parak
- Fachbereich Physik und Chemie, CHyN, University Hamburg, Luruper Chaussee 149, D-22607 Hamburg, Germany
| | - Adrian Ruff
- Analytical Chemistry—Center for Electrochemical Sciences (CES), Faculty of Chemistry and Biochemistry, Ruhr-Universität Bochum, Universitätsstr. 150, D-44780 Bochum, Germany
| | - Wolfgang Schuhmann
- Analytical Chemistry—Center for Electrochemical Sciences (CES), Faculty of Chemistry and Biochemistry, Ruhr-Universität Bochum, Universitätsstr. 150, D-44780 Bochum, Germany
| | - Fred Lisdat
- Biosystems Technology, Institute for Applied Life Sciences, Technical University Wildau, Hochschulring 1, D-15745 Wildau, Germany
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29
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Yang Q, Hao Q, Lei J, Ju H. Portable Photoelectrochemical Device Integrated with Self-Powered Electrochromic Tablet for Visual Analysis. Anal Chem 2018; 90:3703-3707. [DOI: 10.1021/acs.analchem.7b05232] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Qianhui Yang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People’s Republic of China
| | - Qing Hao
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People’s Republic of China
| | - Jianping Lei
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People’s Republic of China
| | - Huangxian Ju
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People’s Republic of China
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30
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Riedel M, Lisdat F. Integration of Enzymes in Polyaniline-Sensitized 3D Inverse Opal TiO 2 Architectures for Light-Driven Biocatalysis and Light-to-Current Conversion. ACS APPLIED MATERIALS & INTERFACES 2018; 10:267-277. [PMID: 29220151 DOI: 10.1021/acsami.7b15966] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Inspired by natural photosynthesis, coupling of artificial light-sensitive entities with biocatalysts in a biohybrid format can result in advanced photobioelectronic systems. Herein, we report on the integration of sulfonated polyanilines (PMSA1) and PQQ-dependent glucose dehydrogenase (PQQ-GDH) into inverse opal TiO2 (IO-TiO2) electrodes. While PMSA1 introduces sensitivity for visible light into the biohybrid architecture and ensures the efficient wiring between the IO-TiO2 electrode and the biocatalytic entity, PQQ-GDH provides the catalytic activity for the glucose oxidation and therefore feeds the light-driven reaction with electrons for an enhanced light-to-current conversion. Here, the IO-TiO2 electrodes with pores of around 650 nm provide a suitable interface and morphology needed for the stable and functional assembly of polymer and enzyme. The IO-TiO2 electrodes have been prepared by a template approach applying spin coating, allowing an easy scalability of the electrode height and surface area. The successful integration of the polymer and the enzyme is confirmed by the generation of an anodic photocurrent, showing an enhanced magnitude with increasing glucose concentrations. Compared to flat and nanostructured TiO2 electrodes, the three-layered IO-TiO2 electrodes give access to a 24-fold and 29-fold higher glucose-dependent photocurrent due to the higher polymer and enzyme loading in IO films. The three-dimensional IO-TiO2|PMSA1|PQQ-GDH architecture reaches maximum photocurrent densities of 44.7 ± 6.5 μA cm-2 at low potentials in the presence of glucose (for a three TiO2 layer arrangement). The onset potential for the light-driven substrate oxidation is found to be at -0.315 V vs Ag/AgCl (1 M KCl) under illumination with 100 mW cm-2, which is more negative than the redox potential of the enzyme. The results demonstrate the advantageous properties of IO-TiO2|PMSA1|PQQ-GDH biohybrid architectures for the light-driven glucose conversion with improved performance.
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Affiliation(s)
- Marc Riedel
- Biosystems Technology, Institute for Applied Life Sciences, Technical University Wildau , Hochschulring 1, D-15745 Wildau, Germany
| | - Fred Lisdat
- Biosystems Technology, Institute for Applied Life Sciences, Technical University Wildau , Hochschulring 1, D-15745 Wildau, Germany
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Zhu Y, Tong X, Song H, Wang Y, Qiao Z, Qiu D, Huang J, Lu Z. CsPbBr3 perovskite quantum dots/ZnO inverse opal electrodes: photoelectrochemical sensing for dihydronicotinamide adenine dinucleotide under visible irradiation. Dalton Trans 2018; 47:10057-10062. [DOI: 10.1039/c8dt01790e] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
All-inorganic perovskite quantum dots (PQDs) have attracted tremendous attention due to their extraordinary optical properties, especially CsPbBr3 QDs with their high stability and photoluminescence efficiency.
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Affiliation(s)
- Yongsheng Zhu
- College of Chemistry and Pharmaceutical Engineering
- College of Physics and Electronic Engineering
- Nanyang Normal University
- Nanyang 473061
- China
| | - Xinling Tong
- College of Chemistry and Pharmaceutical Engineering
- College of Physics and Electronic Engineering
- Nanyang Normal University
- Nanyang 473061
- China
| | - Haizhen Song
- College of Chemistry and Pharmaceutical Engineering
- College of Physics and Electronic Engineering
- Nanyang Normal University
- Nanyang 473061
- China
| | - Yinhua Wang
- College of Chemistry and Pharmaceutical Engineering
- College of Physics and Electronic Engineering
- Nanyang Normal University
- Nanyang 473061
- China
| | - Zhanping Qiao
- College of Chemistry and Pharmaceutical Engineering
- College of Physics and Electronic Engineering
- Nanyang Normal University
- Nanyang 473061
- China
| | - Dongfang Qiu
- College of Chemistry and Pharmaceutical Engineering
- College of Physics and Electronic Engineering
- Nanyang Normal University
- Nanyang 473061
- China
| | - Jinshu Huang
- College of Chemistry and Pharmaceutical Engineering
- College of Physics and Electronic Engineering
- Nanyang Normal University
- Nanyang 473061
- China
| | - Zhiwen Lu
- College of Chemistry and Pharmaceutical Engineering
- College of Physics and Electronic Engineering
- Nanyang Normal University
- Nanyang 473061
- China
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32
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Liu X, Zhu Y, Yan K, Zhang J. Reversibility-Dependent Photovoltammetric Behavior of Electroactive Compounds on a CdS-Graphene Hybrid Film Electrode. Chemistry 2017; 23:13294-13299. [DOI: 10.1002/chem.201703027] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Indexed: 12/13/2022]
Affiliation(s)
- Xin Liu
- Key laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education); School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology; Luoyu Road 1037 Wuhan 430074 P. R. China
| | - Yuhan Zhu
- Key laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education); School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology; Luoyu Road 1037 Wuhan 430074 P. R. China
| | - Kai Yan
- Key laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education); School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology; Luoyu Road 1037 Wuhan 430074 P. R. China
| | - Jingdong Zhang
- Key laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education); School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology; Luoyu Road 1037 Wuhan 430074 P. R. China
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