Academic literature on the topic 'Nanoporous gold electrodes'
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Journal articles on the topic "Nanoporous gold electrodes"
Islam, Md Shafiul, Alan J. Branigan, Borkat Ullah, Christopher J. Freeman, and Maryanne M. Collinson. "The Measurement of Mixed Potentials Using Platinum Decorated Nanoporous Gold Electrodes." Journal of The Electrochemical Society 169, no. 1 (January 1, 2022): 016503. http://dx.doi.org/10.1149/1945-7111/ac41f2.
Full textVillani, Elena, Giovanni Valenti, Massimo Marcaccio, Luca Mattarozzi, Simona Barison, Denis Garoli, Sandro Cattarin, and Francesco Paolucci. "Coreactant electrochemiluminescence at nanoporous gold electrodes." Electrochimica Acta 277 (July 2018): 168–75. http://dx.doi.org/10.1016/j.electacta.2018.04.215.
Full textFreeman, Christopher J., Borkat Ullah, Md Shafiul Islam, and Maryanne M. Collinson. "Potentiometric Biosensing of Ascorbic Acid, Uric Acid, and Cysteine in Microliter Volumes Using Miniaturized Nanoporous Gold Electrodes." Biosensors 11, no. 1 (December 28, 2020): 10. http://dx.doi.org/10.3390/bios11010010.
Full textCollinson, Maryanne M. "Nanoporous Gold Electrodes and Their Applications in Analytical Chemistry." ISRN Analytical Chemistry 2013 (February 20, 2013): 1–21. http://dx.doi.org/10.1155/2013/692484.
Full textIslam, Md Shafiul, and Maryanne M. Collinson. "Improved Sensitivity and Selectivity for the Redox Potentiometric Measurement of Biological Redox Molecules Using Nafion-Coated Platinum Decorated Nanoporous Gold Electrodes." Journal of The Electrochemical Society 169, no. 5 (May 1, 2022): 057503. http://dx.doi.org/10.1149/1945-7111/ac68a1.
Full textDeng, Yanping, Wei Huang, Xin Chen, and Zelin Li. "Facile fabrication of nanoporous gold film electrodes." Electrochemistry Communications 10, no. 5 (May 2008): 810–13. http://dx.doi.org/10.1016/j.elecom.2008.03.003.
Full textScanlon, Micheál D., Urszula Salaj-Kosla, Serguei Belochapkine, Domhnall MacAodha, Dónal Leech, Yi Ding, and Edmond Magner. "Characterization of Nanoporous Gold Electrodes for Bioelectrochemical Applications." Langmuir 28, no. 4 (October 26, 2011): 2251–61. http://dx.doi.org/10.1021/la202945s.
Full textQuan, Xueling, Lee M. Fischer, Anja Boisen, and Maria Tenje. "Development of nanoporous gold electrodes for electrochemical applications." Microelectronic Engineering 88, no. 8 (August 2011): 2379–82. http://dx.doi.org/10.1016/j.mee.2010.12.121.
Full textDaggumati, Pallavi, Zimple Matharu, Ling Wang, and Erkin Seker. "Biofouling-Resilient Nanoporous Gold Electrodes for DNA Sensing." Analytical Chemistry 87, no. 17 (August 17, 2015): 8618–22. http://dx.doi.org/10.1021/acs.analchem.5b02969.
Full textZhang, Chao, Jian Xiao, Lihua Qian, Songliu Yuan, Shuai Wang, and Pengxiang Lei. "Planar integration of flexible micro-supercapacitors with ultrafast charge and discharge based on interdigital nanoporous gold electrodes on a chip." Journal of Materials Chemistry A 4, no. 24 (2016): 9502–10. http://dx.doi.org/10.1039/c6ta02219g.
Full textDissertations / Theses on the topic "Nanoporous gold electrodes"
Freeman, Christopher J. "Biosensing and Catalysis Applications of Nanoporous Gold (NPG) and Platinum-Speckled Nanoporous Gold (NPG-Pt) Electrodes." VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5473.
Full textEllenberg, Matthew C. "Evaluation of redox potential as a novel biomarker of oxidative stress, inflammatory response, and shock using nanoporous gold electrodes." VCU Scholars Compass, 2016. http://scholarscompass.vcu.edu/etd/4471.
Full textShiue, Wen-Jing, and 薛文菁. "Determination of trace copper by underpotentialdeposition-stripping voltammetry at nanoporous gold electrode." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/66025223582450798875.
Full text國立成功大學
化學系專班
95
High surface area nanoporous gold electrodes with different roughness factors were prepared by alloy/dealloying process in room temperature ionic liquid. The underpotential deposition of copper ion at such electrode was examined and compared to other kind of gold electrodes. Application of nanoporous gold for the determination of trace copper ion by anodic stripping voltammetry (ASV) and square wave anodic stripping voltametry (SWASV), using underpotential deposition as the deposition step has been examined and optimized. For ASV, the calibration graphs were linear in the concentration range of (10-90)×10-12 M Cu2+ using 300s deposition at 0.2V versus Ag/AgCl (1M KCl) , the detection limit and sensitivity are 8.15pM (3σ) and 0.830μA pM-1. For SWASV, the calibration graphs were linear in the concentration range (2-20)×10-12 M Cu2+ using 50s deposition at 0.2V , the detection limit and sensitivity are 0.12pM (3σ) and 1.572μApM-1. The nanoporous gold electrode was stable after 100 repeated determinations at trace concentration level. Spontaneously adsorbed monolayer systems employing 2-Mercaptoethanesulfonic acid solution (MES) is used to form disorganized films on nanoporous gold electrode. Determination of trace copper by stripping of underpotential deposits was also performed at electrodes modified with disorganized films of MES. The results suggested the MES disorganized monolayer can improve the stability of the electrode surface.
Lin, Hsiang-Ying, and 林湘瑩. "Application of a nanoporous gold electrode with the highly morphological recoverability for non-enzymatic glucose sensing." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/14967491699808401953.
Full text國立中興大學
化學系所
99
In this study, an enzyme-free glucose sensor has been developed by using a nanoporous gold (NPG) electrode. The intrinsic ultra-high surface area also substantially enhances the sensitivity. Cyclic voltammetry (CV) and amperometric detection are used to investigate the electrochemical behavior of glucose. The long-term storability and the stability of the electrode are strongly demonstrated. Specifically, The CV of glucose on the NPG shows that the initial oxidation of glucose starts at -0.9V. The potential is more negative than -0.4 V on a smooth Au (SAu). The interested potential negative shift is related to the unique nano-structure on the NPG. The interferences from some common interfering species, such as ascorbic acid (AA), uric acid (UA), and p-acetaminophen (AP), are also successfully inhibited due to the intrinsic ultra-high surface area of NPG. The calibration curve shows a linear dependence in the glucose concentration range of 0.01–10.0 mM with an extra high sensitivity of 3769.6 µAmM−1 cm−2. The detection limit is 0.71 µM (signal-to-noise ratio of 3).
Chien, Da-Jean, and 簡大展. "Integration of spectroelectrochemistry and spiral three-dimensional nanoporous gold electrode for the analysis of electroactive molecules." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/23546168215485370276.
Full text高雄醫學大學
醫藥暨應用化學研究所
100
In this study, we have developed a new attenuated total reflection infrared (ATR-IR) spectroelectrochemical cell in which a nanoporous gold wire spiraled over the ZnSe crystal was used as the working electrode. With this system we can observe not only spectroelectrochemical behavior of target species but also the concentration fluctuation of reactants and products simultaneously. By monitoring the absorption bands variation of [Fe(CN)6]3- and [Fe(CN)6]4- at constant potential , a simple, effective and direct spectroelectrochemical sensing method is provided. In addition, the result demonstrates that the signal of ATR-IR can be increased with about 60% when a pontential was applied at the gold wire electrode. Further application on discriminating each individual component from the mixture of gallic acid and n-propyl gallate has been carried out. These two antioxidants are often used as additives in food industry. To singly use infrared spectrometer or electrochemical method is unable to distinguish the two compounds. However, to use the spectorelectrochemical method will be simple, effective and low cost method to achieve qualitative and quantitative analysis for the two compounds.
Fan, Min-Chih, and 范敏芝. "Simultaneously Selective Detection of Dopamine and Ascorbic acid on a Novel Nanoporous Gold Electrode with the Highly Morphological Recoverability." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/87035183847290212939.
Full text國立中興大學
化學系所
99
The electrochemical detection of dopamine (DA) at conventional solid electrodes was interfered by the coexisted ascorbic acid (AA). In this study, we develop the nanoporous gold electrode to circumvent this problem. The nanoporous gold electrode exhibited excellent electrocatalytic activity towards the oxidations of DA and AA in 0.1 M phosphate buffer solution (pH 6.0).The results also indicated that the nanoporous gold electrode exhibited substantial enhancement in electrochemical sensitivity and selectivity for DA due to its large surface area. Cyclic voltammetry (CV) and square wave voltammetry (SWV) were used to investigate the electrochemical behavior of AA, DA and mixture. By CV and SWV, the separation of the oxidation peak potentials for dopamine–ascorbic acid were about 0.210 V and 0.232 V, respectively. The calibration curve for DA was obtained in the range of 0.1-10 μM. The detection limit (S/N = 3) was 8.5 nM. In the presence of 0.5 mM AA, the calibration curve for DA was obtained in the range of 0.1-10 μM and the detection limit was 13 nM.
Book chapters on the topic "Nanoporous gold electrodes"
Swastic and Jegatha Nambi Krishnan. "Nanoporous Metallic Films." In Nanopores [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95933.
Full textSingh, Babita, Sonali Singhal, and Tanzeel Ahmed. "Cosmetic and Medical Applications of Fungal Nanotechnology." In Mycology: Current and Future Developments, 238–58. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815051360122030013.
Full textConference papers on the topic "Nanoporous gold electrodes"
Baharani, Shruti M., and Yong X. Gan. "Rationalizing the Fabrication Conditions for Nanoporous Gold." In ASME 2010 International Manufacturing Science and Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/msec2010-34226.
Full textLi, Wenpeng, Xiaohua Yu, Huiling Liu, and Jingwei Ji. "Facile fabrication of nanoporous gold electrodes that demonstrate high electrochemical activity and used for glucose electrooxidation." In 2013 International Conference on Materials for Renewable Energy and Environment (ICMREE). IEEE, 2013. http://dx.doi.org/10.1109/icmree.2013.6893700.
Full textRadha Shanmugam, Nandhinee, Sriram Muthukumar, and Shalini Prasad. "Zinc Oxide Nanostructures as Electrochemical Biosensors on Flexible Substrates." In ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/smasis2015-9085.
Full textXia, Fan, Sixing Xu, Bingmeng Hu, Xinyan Jia, and Xiaohong Wang. "High-Frequency Micro Supercapacitors Based on High-Aspect-Ratio 3D Nanoporous Gold Interdigital Electrodes for On-Chip Filtering." In 2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII). IEEE, 2019. http://dx.doi.org/10.1109/transducers.2019.8808275.
Full textYoon, Hyeun Joong, Jin Ho Yang, Sang Sik Yang, and Eui-Hyeok Yang. "Microfabricated Nanowire Diluter for Controlled Assembly of Nanowires." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-67865.
Full textKim, Y. H., G. H. Kim, J. Park, and S. D. Jung. "Highly efficient nanoporous gold-modified multi-electrode arrays for in vitro extracellular recording and stimulation performance." In 2016 IEEE Nanotechnology Materials and Devices Conference (NMDC). IEEE, 2016. http://dx.doi.org/10.1109/nmdc.2016.7777161.
Full textTaniguchi, Masateru, and Tomoji Kawai. "Development of Gating Nanopores for Next-Generation DNA Sequencing Using Mechanically Controllable Break Junctions." In ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-36014.
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