Relevant bibliographies by topics / Cationic redox probe

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Cationic redox probe'

Author: Grafiati
Published: 8 June 2024
Last updated: 31 July 2025

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Journal articles on the topic "Cationic redox probe"

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Kushner, Douglas, Adlai Katzenberg, Xiaoyan Luo, and Ahmet Kusoglu. "Cationic Ionomer Thin Films for Alkaline Electrochemical Energy Conversion." ECS Meeting Abstracts MA2022-02, no. 41 (2022): 1519. http://dx.doi.org/10.1149/ma2022-02411519mtgabs.

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Ionomers are used as the solid-electrolyte in many electrochemical energy conversion technologies where they offer many functionalities such as ion conduction, electrical insulation, and water transport. These ionomers are found as nanometer-thick electrolyte thin films within the catalyst layers of fuel cells, electrolyzers, and hydrogen-based redox flow batteries where electrochemical reactions take place. The ionomer performance and durability are strongly related to their properties governed by a myriad of parameters such as chemical structure, water uptake, and morphology, all of which ar
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Huang, Zhongnan, Xuan Luo, Fei Yan, and Bo Zhou. "Homogeneous Electrochemical Aptasensor for Sensitive Detection of Zearalenone Using Nanocomposite Probe and Silica Nanochannel Film." Molecules 28, no. 21 (2023): 7241. http://dx.doi.org/10.3390/molecules28217241.

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Developing rapid and efficient analytical methods is of great importance for food safety Herein, we present a novel homogeneous electrochemical aptasensor for ultrasensitive quantitative determination of zearalenone (ZEN) based on a nanocomposite probe and silica nanochannel film. X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy and UV–Vis characterization techniques confirm that graphene oxide (GO) bears an aromatic conjugated structure, along with hydroxyl and carboxyl groups, facilitating the subsequent adsorption of cationic redox hexa-ammine-ruthenium (III) (Ru(NH
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Zhang, Tongtong, Shuai Xu, Xingyu Lin, Jiyang Liu, and Kai Wang. "Label-Free Electrochemical Aptasensor Based on the Vertically-Aligned Mesoporous Silica Films for Determination of Aflatoxin B1." Biosensors 13, no. 6 (2023): 661. http://dx.doi.org/10.3390/bios13060661.

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Herein we report a highly specific electrochemical aptasenseor for AFB1 determination based on AFB1-controlled diffusion of redox probe (Ru(NH3)63+) through nanochannels of AFB1-specific aptamer functionalized VMSF. A high density of silanol groups on the inner surface confers VMSF with cationic permselectivity, enabling electrostatic preconcentration of Ru(NH3)63+ and producing amplified electrochemical signals. Upon the addition of AFB1, the specific interaction between the aptamer and AFB1 occurs and generates steric hindrance effect on the access of Ru(NH3)63+, finally resulting in the red
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Yan, Zhengzheng, Shiyue Zhang, Jiyang Liu, and Jun Xing. "Homogeneous Electrochemical Aptamer Sensor Based on Two-Dimensional Nanocomposite Probe and Nanochannel Modified Electrode for Sensitive Detection of Carcinoembryonic Antigen." Molecules 28, no. 13 (2023): 5186. http://dx.doi.org/10.3390/molecules28135186.

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A rapid and convenient homogeneous aptamer sensor with high sensitivity is highly desirable for the electrochemical detection of tumor biomarkers. In this work, a homogeneous electrochemical aptamer sensor is demonstrated based on a two-dimensional (2D) nanocomposite probe and nanochannel modified electrode, which can realize sensitive detection of carcinoembryonic antigen (CEA). Using π-π stacking and electrostatic interaction, CEA aptamer (Apt) and cationic redox probe (hexaammineruthenium(III), Ru(NH3)63+) are co-loaded on graphite oxide (GO), leading to a 2D nanocomposite probe (Ru(NH3)63+
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Florea, Ciprian, Andra Mihaela Onas, Andreea Madalina Pandele, Matei Raicopol, and Luisa Pilan. "Controlled Surface Functionalization Using Aryldiazonium Salts for the Development of Aptasensing Platforms." ECS Meeting Abstracts MA2023-02, no. 62 (2023): 2946. http://dx.doi.org/10.1149/ma2023-02622946mtgabs.

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It is well known that both the aptamer surface density and surface chemistry can have a strong influence on the analytical performance of aptasensors based on target-induced conformational changes1. In this context, we report here an improved protocol for obtaining aptasensing platforms which allows fine-tuning the DNA aptamer surface coverage. First, glassy carbon substrates were functionalized with ethynylphenyl groups through the electrochemical reduction of silyl-protected ethynylphenyl diazonium tetrafluoroborates followed by deprotection with tetrabutylammonium fluoride2. The successful
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Lazicki, Andy Peter, Casey Huettman, and Johna Leddy. "(Invited) Sulfonation of Paper: Separators with Permselectivity for Cationic Redox Probes." ECS Meeting Abstracts MA2025-01, no. 57 (2025): 2757. https://doi.org/10.1149/ma2025-01572757mtgabs.

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Cation exchange membranes commonly serve as separators in electrochemical systems. Sulfonation of paper generates a scalable, low cost separator. Cellulose is modified with anion exchange sites through oxidation and then sulfonation. Sulfonated cellulose can serve in electrochemical systems and devices. Sulfonation conditions were optimized to yield membranes with anion exchange sites as determined by titration. Permselectivity of the membranes was evaluated cyclic voltammetrically for common, charged redox probes. Sulfonated cellulose membranes displayed low resistance and a high degree of su
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Mozhzhukhina, Nataliia, Aleksandar Matic, Gilles Moehl, et al. "Understanding LiNiO2 Electronic Structure and Redox Mechanism by Raman and X-Ray Techniques." ECS Meeting Abstracts MA2023-02, no. 2 (2023): 227. http://dx.doi.org/10.1149/ma2023-022227mtgabs.

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LiNiO2 (LNO) is considered a very promising and high energy density alternative to Co-containing Li-ion battery cathodes. It is also the benchmarked cathode material of the European BIGMAP project, which aim is to combine advance operando characterization, computational modelling and artificial intelligence in order to accelerate the research and development of new generation batteries. However, the material suffers from several degradation issues resulting in fading cell performance. In particular, the presence of highly reactive Ni4+ species at the electrode/electrolyte interface1, Ni dissol
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8

Venkataraman, Dharuman. "Lipids on graphene nano structures and DNA sensing." Abstracts of International Conferences & Meetings (AICM) 1, no. 5 (2021): 18. https://doi.org/10.5281/zenodo.5373401.

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<strong>Introduction: </strong>Lipid, an amphipilic molecules safe guarding cellular content and also assists transport of ions and molecules selectively for further biochemical reactions (1).&nbsp; Because of its biocompatibility and ability to form spherical vesicle structure, they are used as payloads drug and gene delivery applications and recently in biosensing. Critical requirement of using these vesicles is to stabilization and prevention of spherical structure upon their contact with solid surfaces. Although various types of molecular cushions and solids have been tried, graphene with
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Malecka, Kamila, Shalini Menon, Gopal Palla, et al. "Redox-Active Monolayers Self-Assembled on Gold Electrodes—Effect of Their Structures on Electrochemical Parameters and DNA Sensing Ability." Molecules 25, no. 3 (2020): 607. http://dx.doi.org/10.3390/molecules25030607.

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The background: The monolayers self-assembled on the gold electrode incorporated transition metal complexes can act both as receptor (“host” molecules) immobilization sites, as well as transducer for interface recognitions of “guest” molecules present in the aqueous solutions. Their electrochemical parameters influencing the sensing properties strongly depend on the transition metal complex structures. The objectives: The electrochemical characterization of the symmetric terpyridine–M2+–terpyridine and asymmetric dipyrromethene–M2+–terpyridine complexes modified with ssDNA probe covalently att
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Liyanage, Madhuka Malshani, and Rebecca Lai. "Antimicrobial Peptide-Based Sensor for the Electrochemical Detection of Methicillin-Resistant Staphylococcus Aureus." ECS Meeting Abstracts MA2024-01, no. 49 (2024): 2701. http://dx.doi.org/10.1149/ma2024-01492701mtgabs.

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Methicillin-resistant Staphylococcus aureus (MRSA) is a gram-positive bacterium that colonizes on the skin and nasal track of humans, which can lead to serious illnesses such as skin and soft tissue infections, pneumonia, and septicemia.MRSA is resistant to an entire class of antibiotics called beta-lactams, including penicillin, amoxicillin, and oxacillin, making it more difficult to treat. Culture based methods and molecular based methods like PCR are currently being used for the detection of MRSA, but these methods possess the drawbacks of being slow and expensive, respectively. Thus, we fo
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Dissertations / Theses on the topic "Cationic redox probe"

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Basnig, Deomila. "Élaboration de films minces de silice pour des applications en chimie analytique." Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0102.

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Un film orienté à base de silice mésoporeuse sur une électrode FTO a été préparé par une approche d'auto-assemblage assistée par électrochimie (EASA). Un potentiel de -1,5 V a été appliqué à l'électrode FTO contenant un précurseur de silice préhydrolysée (par exemple, l'orthosilicate de tétraéthyle), en présence d'un modèle (par exemple, le bromure de cétrimonium) et d'un électrolyte. Cette approche permet de générer des nanocanaux de silice alignés verticalement avec des tailles de pores ajustables entre 2 et 3 nm, selon le modèle. Ce travail a montré le comportement voltammétrique et la séle
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Conference papers on the topic "Cationic redox probe"

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Venugopal, Vinithra, Vijay Venkatesh, and Vishnu Baba Sundaresan. "Investigation of Ion Transport in Polypyrrole Modified Ultra-Microelectrodes During Scanning Electrochemical Microscopy." In ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/smasis2016-9191.

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Scanning electrochemical microscopy (SECM) is an electrochemical technique used to measure faradaic current changes local to the surface of a sample. The incorporation of shear force (SF) feedback in SECM enables the concurrent acquisition of topographical data of substrates along with electrochemical measurements. Contemporary SECM measurements require a redox mediator such as ferrocene methanol (FcMeOH) for electrochemical measurements; however, this could prove detrimental in the imaging of biological cells. In this article, nanoscale polypyrrole membranes doped with dodecylbenzene sulfonat
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Journal articles
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