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Zhou H, Zhou L, Li B, Yue R. Anti-cyclooxygenase, anti-glycation, and anti-skin aging effect of Dendrobium officinale flowers’ aqueous extract and its phytochemical validation in aging. Front Immunol 2023; 14:1095848. [PMID: 37006297 PMCID: PMC10064984 DOI: 10.3389/fimmu.2023.1095848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 02/27/2023] [Indexed: 03/19/2023] Open
Abstract
IntroductionDendrobium officinale Kimura et Migo (D. officinale) , widely called as “life-saving immortal grass” by Chinese folk, is a scarce and endangered species. The edible stems of D. officinale have been extensively studied for active chemical components and various bioactivities. However, few studies have reported the well-being beneficial effects of D. officinale flowers (DOF). Therefore, the present study aimed to investigate the in vitro biological potency of its aqueous extract and screen its active components.MethodsAntioxidant tests, including 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), the ferric reducing ability of plasma (FRAP), and intracellular reactive oxygen species (ROS) level analyses in primary human epidermal keratinocytes, anti-cyclooxygenase2 (COX-2) assay, anti-glycation assay (both fluorescent AGEs formation in a BSA fructose/glucose system and glycation cell assay), and anti-aging assay (quantification of collagen types I and III, and SA-β-gal staining assay) were conducted to determine the potential biological effects of DOF extracts and its major compounds. Ultra-performance liquid chromatography-electrospray ionisation-quadrupole-time-of-flight-mass spectrometry (UPLC-ESI-QTOF-MS/MS) was performed to investigate the composition of DOF extracts. Online antioxidant post-column bioassay tests were applied to rapidly screen major antioxidants in DOF extracts.Results and discussionThe aqueous extract of D. officinale flowers was found to have potential antioxidant capacity, anti-cyclooxygenase2 (COX-2) effect, anti-glycation potency, and anti-aging effects. A total of 34 compounds were identified using UPLC-ESI-QTOF-MS/MS. Online ABTS radical analysis demonstrated that 1-O-caffeoyl-β-D-glucoside, vicenin-2, luteolin-6-C-β-D-xyloside-8-C-β--D-glucoside, quercetin-3-O-sophoroside, rutin, isoquercitrin, and quercetin 3-O-(6″-O-malonyl)-β-D-glucoside are the major potential antioxidants. In addition, all selected 16 compounds exerted significant ABTS radical scavenging ability and effective AGE suppressive activities. However, only certain compounds, such as rutin and isoquercitrin, displayed selective and significant antioxidant abilities, as shown by DPPH and FRAP, as well as potent COX-2 inhibitory capacity, whereas the remaining compounds displayed relatively weak or no effects. This indicates that specific components contributed to different functionalities. Our findings justified that DOF and its active compound targeted related enzymes and highlighted their potential application in anti-aging.
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Affiliation(s)
- Huiji Zhou
- Amway (Shanghai) Innovation and Science Co., Ltd, Shanghai, China
| | - Luxian Zhou
- Shanghai Archgene Biotechnology Co., Ltd, Shanghai, China
| | - Bo Li
- Amway (Shanghai) Innovation and Science Co., Ltd, Shanghai, China
- Amway (China) Botanical R&D Center, Wuxi, China
- *Correspondence: Bo Li, ; Rongcai Yue,
| | - Rongcai Yue
- School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
- Fujian Key Laboratory of Drug Target Discovery and Structural and Functional Research, Fujian Medical University, Fuzhou, Fujian, China
- *Correspondence: Bo Li, ; Rongcai Yue,
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UTAGAWA Y, ITO K, INOUE KY, NASHIMOTO Y, INO K, SHIKU H. Electrochemical Substrates and Systems for Enzyme-Based Bioassays. BUNSEKI KAGAKU 2022. [DOI: 10.2116/bunsekikagaku.71.109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
| | - Kentaro ITO
- Graduate School of Environmental Studies, Tohoku University
| | - Kumi Y. INOUE
- Center for Basic Education, Faculty of Engineering, Graduate Faculty of Interdisciplinary Research, University of Yamanashi
| | - Yuji NASHIMOTO
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University
| | - Kosuke INO
- Graduate School of Engineering, Tohoku University
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Multiplexed assessment of engineered bacterial constructs for intracellular β-galactosidase expression by redox amplification on catechol-chitosan modified nanoporous gold. Mikrochim Acta 2021; 189:4. [PMID: 34855041 DOI: 10.1007/s00604-021-05109-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Accepted: 11/11/2021] [Indexed: 10/19/2022]
Abstract
Synthetic biology approaches for rewiring of bacterial constructs to express particular intracellular factors upon induction with the target analyte are emerging as sensing paradigms for applications in environmental and in vivo monitoring. To aid in the design and optimization of bacterial constructs for sensing analytes, there is a need for lysis-free intracellular detection modalities that monitor the signal level and kinetics of expressed factors within different modified bacteria in a multiplexed manner, without requiring cumbersome surface immobilization. Herein, an electrochemical detection system on nanoporous gold that is electrofabricated with a biomaterial redox capacitor is presented for quantifying β-galactosidase expressed inside modified Escherichia coli constructs upon induction with dopamine. This nanostructure-mediated redox amplification approach on a microfluidic platform allows for multiplexed assessment of the expressed intracellular factors from different bacterial constructs suspended in distinct microchannels, with no need for cell lysis or immobilization. Since redox mediators present over the entire depth of the microchannel can interact with the electrode and with the E. coli construct in each channel, the platform exhibits high sensitivity and enables multiplexing. We envision its application in assessing synthetic biology-based approaches for comparing specificity, sensitivity, and signal response time upon induction with target analytes of interest.
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Li S, Cheng Y, Chen S, Qin M, Li P, Yang L. In-situ SERS readout strategy to improve the reliability of beta-galactosidase activity assay based on X-gal staining in shortening incubation times. Talanta 2021; 234:122689. [PMID: 34364487 DOI: 10.1016/j.talanta.2021.122689] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/22/2021] [Accepted: 07/03/2021] [Indexed: 01/04/2023]
Abstract
Beta-galactosidase (β-gal) activity is closed related with senescence cells and aging-associated diseases, however, the traditional readout of β-gal activity based on X-gal staining was limited to low sensitivity in short incubation times and false positives in long incubation times. Here, we expose the potential role of insoluble X-gal hydrolysates in causing false positives by diffusion pollution depending on organic medium and then propose the in-situ Surface-enhanced Raman spectroscopy (SERS) readout strategy to identify and locate β-gal positive cells. By building the blue-white screening model and fabricating SERS-active needle sensor, the sensitive detection of β-gal has been realized with the detection limit of less than 1 nmol L-1. The in-situ SERS readout strategy is proved to be necessary and feasible to improve the reliability of X-gal staining assay through shortening the time to a few hours. Moreover, its application was also preliminarily evaluated to analyse individual cells and tissues, which showed the well consistency for judgement of β-gal activity cells at different times. Consequently, by improving reliability and reducing time consumption, this SERS readout strategy may be of great significance to promote the application of X-gal staining assay in biology and biomedicine.
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Affiliation(s)
- Shaofei Li
- Institute of Health and Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, 230031, China; Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China; School of Life Science, Anhui University Hefei, Anhui, 230601, China
| | - Yizhuang Cheng
- Institute of Health and Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, 230031, China; Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Siyu Chen
- Institute of Health and Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, 230031, China; Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Miao Qin
- Institute of Health and Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, 230031, China; Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Pan Li
- Institute of Health and Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, 230031, China.
| | - Liangbao Yang
- Institute of Health and Medical Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, 230031, China; Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China.
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Scheibel OV, Schrlau MG. A Self‐contained Two‐electrode Nanosensor for Electrochemical Analysis in Aqueous Microenvironments. ELECTROANAL 2020. [DOI: 10.1002/elan.201900672] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Olivia V. Scheibel
- Department of Mechanical Engineering Rochester Institute of Technology 1 Lomb Memorial Drive Rochester New York 14425 USA
| | - Michael G. Schrlau
- Department of Mechanical Engineering Rochester Institute of Technology 1 Lomb Memorial Drive Rochester New York 14425 USA
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Zhao L, Shi M, Liu Y, Zheng X, Xiu J, Liu Y, Tian L, Wang H, Zhang M, Zhang X. Systematic Analysis of Different Cell Spheroids with a Microfluidic Device Using Scanning Electrochemical Microscopy and Gene Expression Profiling. Anal Chem 2019; 91:4307-4311. [PMID: 30869520 DOI: 10.1021/acs.analchem.9b00376] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The 3D cell spheroid is an emerging tool that allows better recapitulating of in vivo scenarios with multiple factors such as tissue-like morphology and membrane protein expression that intimately coordinates with enzyme activity, thus providing a psychological environment for tumorigenesis study. For analyzing different spheroids, conventional optical imaging may be hampered by the need for fluorescent labeling, which could cause toxicity side effects. As an alternative approach, scanning electrochemical microscopy (SECM) enables label-free imaging. However, SECM for cell spheroid imaging is currently suffering from incapability of systematically analyzing the cell aggregates from spheroid generation, electrochemical signal gaining, and the gene expression on different individual cell spheroids. Herein, we developed a top-removable microfluidic device for cell aggregate yielding and SECM imaging methodology to analyze heterotypic 3D cell spheroids on a single device. This technique allows not only on-chip culturing of cell aggregates but also SECM imaging of the spheroids after opening the chip and subsequent qPCR assay of corresponding clusters. Through employment of the micropit arrays (85 × 4) with a top withdrawable microfluidic layer, uniformly sized breast tumor cell and fibroblast spheroids can be simultaneously produced on a single device. By leveraging voltage-switching mode SECM at different potentials of dual mediators, we evaluated alkaline phosphatase without disturbance of substrate morphology for distinguishing the tumor aggregates from stroma. Moreover, this method also enables gene expression profiling on individual tumor or stromal spheroids. Therefore, this new strategy can seamlessly bridge SECM measurements and molecular biological analysis.
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Affiliation(s)
- Liang Zhao
- Institute of Precision Medicine and Health, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, Beijing Key Laboratory for Bioengineering and Sensing Technology , University of Science and Technology Beijing , Beijing 100083 , China
| | - Mi Shi
- Institute of Precision Medicine and Health, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, Beijing Key Laboratory for Bioengineering and Sensing Technology , University of Science and Technology Beijing , Beijing 100083 , China
| | - Yang Liu
- Institute of Precision Medicine and Health, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, Beijing Key Laboratory for Bioengineering and Sensing Technology , University of Science and Technology Beijing , Beijing 100083 , China
| | - Xiaonan Zheng
- Institute of Precision Medicine and Health, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, Beijing Key Laboratory for Bioengineering and Sensing Technology , University of Science and Technology Beijing , Beijing 100083 , China
| | - Jidong Xiu
- Institute of Precision Medicine and Health, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, Beijing Key Laboratory for Bioengineering and Sensing Technology , University of Science and Technology Beijing , Beijing 100083 , China
| | - Yingying Liu
- Institute of Precision Medicine and Health, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, Beijing Key Laboratory for Bioengineering and Sensing Technology , University of Science and Technology Beijing , Beijing 100083 , China
| | - Lu Tian
- Institute of Precision Medicine and Health, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, Beijing Key Laboratory for Bioengineering and Sensing Technology , University of Science and Technology Beijing , Beijing 100083 , China
| | - Hongjuan Wang
- Institute of Precision Medicine and Health, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, Beijing Key Laboratory for Bioengineering and Sensing Technology , University of Science and Technology Beijing , Beijing 100083 , China
| | - Meiqin Zhang
- Institute of Precision Medicine and Health, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, Beijing Key Laboratory for Bioengineering and Sensing Technology , University of Science and Technology Beijing , Beijing 100083 , China
| | - Xueji Zhang
- Institute of Precision Medicine and Health, Research Center for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, Beijing Key Laboratory for Bioengineering and Sensing Technology , University of Science and Technology Beijing , Beijing 100083 , China
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Ino K, Şen M, Shiku H, Matsue T. Micro/nanoelectrochemical probe and chip devices for evaluation of three-dimensional cultured cells. Analyst 2018; 142:4343-4354. [PMID: 29106427 DOI: 10.1039/c7an01442b] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Herein, we present an overview of recent research progress in the development of micro/nanoelectrochemical probe and chip devices for the evaluation of three-dimensional (3D) cultured cells. First, we discuss probe devices: a general outline, evaluation of O2 consumption, enzyme-modified electrodes, evaluation of endogenous enzyme activity, and the collection of cell components from cell aggregates are discussed. The next section is focused on integrated chip devices: a general outline, electrode array devices, smart electrode array devices, droplet detection of 3D cultured cells, cell manipulation using dielectrophoresis (DEP), and electrodeposited hydrogels used for fabrication of 3D cultured cells on chip devices are discussed. Finally, we provide a summary and discussion of future directions of research in this field.
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Affiliation(s)
- Kosuke Ino
- Graduate School of Engineering, Tohoku University, 6-6-11-406 Aramaki-aza Aoba, Aoba-ku, Sendai 980-8579, Japan.
| | - Mustafa Şen
- Department of Biomedical Engineering, Izmir Katip Celebi University, 35620 Cigli, Izmir, Turkey
| | - Hitoshi Shiku
- Graduate School of Engineering, Tohoku University, 6-6-11-406 Aramaki-aza Aoba, Aoba-ku, Sendai 980-8579, Japan.
| | - Tomokazu Matsue
- Graduate School of Environmental Studies, Tohoku University, 6-6-11-604 Aramaki-aza Aoba, Aoba-ku, Sendai 980-8579, Japan.
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SHIKU H. Characterization System of Embryos, Embryoid Bodies and Multicellular Spheroids Based on an Electrochemical Method. BUNSEKI KAGAKU 2018. [DOI: 10.2116/bunsekikagaku.67.653] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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Lin TE, Rapino S, Girault HH, Lesch A. Electrochemical imaging of cells and tissues. Chem Sci 2018; 9:4546-4554. [PMID: 29899947 PMCID: PMC5969511 DOI: 10.1039/c8sc01035h] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Accepted: 04/09/2018] [Indexed: 01/10/2023] Open
Abstract
This minireview summarizes the recent achievements of electrochemical imaging platforms to map cellular functions in biological specimens using electrochemical scanning nano/micro-probe microscopy and 2D chips containing microelectrode arrays.
The technological and experimental progress in electrochemical imaging of biological specimens is discussed with a view on potential applications for skin cancer diagnostics, reproductive medicine and microbial testing. The electrochemical analysis of single cell activity inside cell cultures, 3D cellular aggregates and microtissues is based on the selective detection of electroactive species involved in biological functions. Electrochemical imaging strategies, based on nano/micrometric probes scanning over the sample and sensor array chips, respectively, can be made sensitive and selective without being affected by optical interference as many other microscopy techniques. The recent developments in microfabrication, electronics and cell culturing/tissue engineering have evolved in affordable and fast-sampling electrochemical imaging platforms. We believe that the topics discussed herein demonstrate the applicability of electrochemical imaging devices in many areas related to cellular functions.
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Affiliation(s)
- Tzu-En Lin
- Laboratory of Physical and Analytical Electrochemistry (LEPA) , École Polytechnique Fédéderale de Lausanne , EPFL Valais Valais , Rue de l'Industrie 17 , CP 440 , 1951 Sion , Switzerland .
| | - Stefania Rapino
- Chemistry Department "Giacomo Ciamician" , University of Bologna , Via Selmi 2 , 40126 Bologna , Italy
| | - Hubert H Girault
- Laboratory of Physical and Analytical Electrochemistry (LEPA) , École Polytechnique Fédéderale de Lausanne , EPFL Valais Valais , Rue de l'Industrie 17 , CP 440 , 1951 Sion , Switzerland .
| | - Andreas Lesch
- Laboratory of Physical and Analytical Electrochemistry (LEPA) , École Polytechnique Fédéderale de Lausanne , EPFL Valais Valais , Rue de l'Industrie 17 , CP 440 , 1951 Sion , Switzerland .
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Lin TE, Lu YJ, Sun CL, Pick H, Chen JP, Lesch A, Girault HH. Weiche elektrochemische Sonden zum Abbilden der Verteilung von Biomarkern und injizierten Nanomaterialien in tierischem und menschlichem Gewebe. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201709271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Tzu-En Lin
- Laboratoire d'Electrochimie Physique et Analytique; École Polytechnique Fédérale de Lausanne; EPFL Valais Wallis; 1951 Sitten Schweiz
| | - Yu-Jen Lu
- Department of Neurosurgery; Linkou Chang Gung Memorial Hospital; Guishan Taoyuan 33305 Taiwan
- Chang Gung University College of Medicine; Guishan Taoyuan 33302 Taiwan
| | - Chia-Liang Sun
- Department of Neurosurgery; Linkou Chang Gung Memorial Hospital; Guishan Taoyuan 33305 Taiwan
- Department of Chemical and Materials Engineering; Chang Gung University; Guishan Taoyuan 33302 Taiwan
| | - Horst Pick
- Laboratory of Biophysical Chemistry of Macromolecules; École Polytechnique Fédérale de Lausanne, EPFL; 1015 Lausanne Schweiz
| | - Jyh-Ping Chen
- Department of Chemical and Materials Engineering; Chang Gung University; Guishan Taoyuan 33302 Taiwan
- Department of Plastic and Reconstructive Surgery and Craniofacial Research Center; Linkou Chang Gung Memorial Hospital; Guishan Taoyuan 33305 Taiwan
| | - Andreas Lesch
- Laboratoire d'Electrochimie Physique et Analytique; École Polytechnique Fédérale de Lausanne; EPFL Valais Wallis; 1951 Sitten Schweiz
| | - Hubert H. Girault
- Laboratoire d'Electrochimie Physique et Analytique; École Polytechnique Fédérale de Lausanne; EPFL Valais Wallis; 1951 Sitten Schweiz
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Izquierdo J, Knittel P, Kranz C. Scanning electrochemical microscopy: an analytical perspective. Anal Bioanal Chem 2017; 410:307-324. [PMID: 29214533 DOI: 10.1007/s00216-017-0742-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 10/16/2017] [Accepted: 11/02/2017] [Indexed: 10/18/2022]
Abstract
Scanning electrochemical microscopy (SECM) has evolved from an electrochemical specialist tool to a broadly used electroanalytical surface technique, which has experienced exciting developments for nanoscale electrochemical studies in recent years. Several companies now offer commercial instruments, and SECM has been used in a broad range of applications. SECM research is frequently interdisciplinary, bridging areas ranging from electrochemistry, nanotechnology, and materials science to biomedical research. Although SECM is considered a modern electroanalytical technique, it appears that less attention is paid to so-called analytical figures of merit, which are essential also in electroanalytical chemistry. Besides instrumental developments, this review focuses on aspects such as reliability, repeatability, and reproducibility of SECM data. The review is intended to spark discussion within the community on this topic, but also to raise awareness of the challenges faced during the evaluation of quantitative SECM data.
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Affiliation(s)
- Javier Izquierdo
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Peter Knittel
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
- Fraunhofer Institute for Applied Solid State Physics, Tullastraße 72, 79108, Freiburg, Germany
| | - Christine Kranz
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany.
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Lin TE, Lu YJ, Sun CL, Pick H, Chen JP, Lesch A, Girault HH. Soft Electrochemical Probes for Mapping the Distribution of Biomarkers and Injected Nanomaterials in Animal and Human Tissues. Angew Chem Int Ed Engl 2017; 56:16498-16502. [DOI: 10.1002/anie.201709271] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Indexed: 12/12/2022]
Affiliation(s)
- Tzu-En Lin
- Laboratoire d'Electrochimie Physique et Analytique; École Polytechnique Fédérale de Lausanne; EPFL Valais Wallis; 1951 Sion Switzerland
| | - Yu-Jen Lu
- Department of Neurosurgery; Linkou Chang Gung Memorial Hospital; Guishan Taoyuan 33305 Taiwan
- Chang Gung University College of Medicine; Guishan Taoyuan 33302 Taiwan
| | - Chia-Liang Sun
- Department of Neurosurgery; Linkou Chang Gung Memorial Hospital; Guishan Taoyuan 33305 Taiwan
- Department of Chemical and Materials Engineering; Chang Gung University; Guishan Taoyuan 33302 Taiwan
| | - Horst Pick
- Laboratory of Biophysical Chemistry of Macromolecules; École Polytechnique Fédérale de Lausanne, EPFL; 1015 Lausanne Switzerland
| | - Jyh-Ping Chen
- Department of Chemical and Materials Engineering; Chang Gung University; Guishan Taoyuan 33302 Taiwan
- Department of Plastic and Reconstructive Surgery and Craniofacial Research Center; Linkou Chang Gung Memorial Hospital; Guishan Taoyuan 33305 Taiwan
| | - Andreas Lesch
- Laboratoire d'Electrochimie Physique et Analytique; École Polytechnique Fédérale de Lausanne; EPFL Valais Wallis; 1951 Sion Switzerland
| | - Hubert H. Girault
- Laboratoire d'Electrochimie Physique et Analytique; École Polytechnique Fédérale de Lausanne; EPFL Valais Wallis; 1951 Sion Switzerland
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Takahashi Y, Kumatani A, Shiku H, Matsue T. Scanning Probe Microscopy for Nanoscale Electrochemical Imaging. Anal Chem 2016; 89:342-357. [DOI: 10.1021/acs.analchem.6b04355] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yasufumi Takahashi
- Division
of Electrical Engineering and Computer Science, Kanazawa University, Kanazawa 920-1192, Japan
- Precursory
Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), Saitama 332-0012, Japan
| | - Akichika Kumatani
- Advanced
Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
- Graduate
School of Environmental Studies, Tohoku University, Sendai 980-8579, Japan
| | - Hitoshi Shiku
- Department
of Applied Chemistry, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan
| | - Tomokazu Matsue
- Advanced
Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
- Graduate
School of Environmental Studies, Tohoku University, Sendai 980-8579, Japan
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