Academic literature on the topic 'Native and bismuth-modified screen printed electrodes'

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Journal articles on the topic "Native and bismuth-modified screen printed electrodes"

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Isakova, D., S. Aronbaev, and D. Aronbaev. "DETERMINATION OF SELENIUM (IV) BY INVERSION VOLTAMMETRY USING SCREEN PRINTED ELECTRODES." Slovak international scientific journal, no. 83 (May 14, 2024): 4–12. https://doi.org/10.5281/zenodo.11188919.

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The paper evaluates the analytical capabilities of screen printed electrodes in the inversion-voltammetric determination of selenium (IV) ions. The electrochemical behavior of native and modified screen printed electrodes in the voltammetric determination of selenite ions in the anode and cathode potential regions has been studied. The applicability of carbon-containing sensors manufactured by screen printing in the determination of selenium in the anode region of potentials at the level of 10 micrograms/L is shown. The analysis of samples of drinking water, food, plants, and vitamin products
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Câmpean, Anuţa, Mihaela Tertiş, and Robert Săndulescu. "Electrochemical behavior of some purine derivatives on carbon based electrodes." Open Chemistry 9, no. 3 (2011): 466–73. http://dx.doi.org/10.2478/s11532-011-0026-6.

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AbstractThe electrochemical behaviour of three purine derivatives was investigated by cyclic voltammetry on different electrode materials: glassy carbon in native form and electrochemically activated, carbon paste electrode unmodified or modified with 1, 4-benzoquinone. The preliminary study obtained on solid electrodes was extended to graphite based planar screen-printed electrodes, unmodified and modified with multi-wall carbon nanotubes, or cobalt phthalocyanine.The influence of some experimental parameters (pH, scan rate, concentration and electrolytic medium) on the electrochemical behavi
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Palisoc, Shirley, Vince Aaron Sow, and Michelle Natividad. "Fabrication of a bismuth nanoparticle/Nafion modified screen-printed graphene electrode for in situ environmental monitoring." Analytical Methods 11, no. 12 (2019): 1591–603. http://dx.doi.org/10.1039/c9ay00221a.

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Аронбаев, Д., С. Аронбаев, and Д. Исакова. "MONITORING OF ENVIRONMENTAL OBJECTS USING ECOLOGICALLY CLEAN ELECTRODES." EurasianUnionScientists 2, no. 1(82) (2021): 54–63. http://dx.doi.org/10.31618/esu.2413-9335.2021.2.82.1205.

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The review article presents the achievements of stripping voltammetry with modified environmentally friendly carbon-containing electrodes in environmental monitoring of the environment. The main objective of the research was the complete elimination of toxic mercury from the analytical procedure and its replacement with modifiers, which include bismuth, hydroxyapatite, montmorillonite, ionic liquids, chitosan, materials based on plant and animal cells, as well as their composites with graphite. The issues of development creating microchips with the use of screen printing technologies for solvi
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Królicka, Agnieszka, Jerzy Zarębski, and Andrzej Bobrowski. "Catalytic Adsorptive Stripping Voltammetric Determination of Germanium Employing the Oxidizing Properties of V(IV)-HEDTA Complex and Bismuth-Modified Carbon-Based Electrodes." Membranes 11, no. 7 (2021): 524. http://dx.doi.org/10.3390/membranes11070524.

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An efficient procedure that may be used to determine germanium traces and combines the advantages of catalytic adsorptive stripping voltammetry (CAdSV) with the convenience of screen-printed electrodes was developed. To induce the CAdSV response of the germanium(IV)-catechol complex, the vanadium(IV)-HEDTA compound was employed in combination with various bismuth-modified homogeneous (glassy carbon, gold coated with a bismuth layer via physical vapor deposition) and heterogeneous (screen-printed carbon, mesoporous carbon, graphene and reduced graphene oxide, polymer-encapsuled carbon fiber) el
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Quintana, Josefina Calvo, Fabiana Arduini, Aziz Amine, et al. "Part I: A comparative study of bismuth-modified screen-printed electrodes for lead detection." Analytica Chimica Acta 707, no. 1-2 (2011): 171–77. http://dx.doi.org/10.1016/j.aca.2011.08.052.

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Math, Chim, Wijitar Dungchai та Sudtida Pliankarom Thanasupsin. "Metallic Film Modified Screen-Printed Carbon Electrode for Determination of 17α-Methyltestosterone". Key Engineering Materials 824 (жовтень 2019): 182–89. http://dx.doi.org/10.4028/www.scientific.net/kem.824.182.

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17α-methyltestosterone (MT) is a synthetic androgen. It is used widely for inducing an all-male population of Nile tilapia (Oreochromis niloticus). In this work, the detection of MT was conducted using screen-printed carbon electrodes (SPCE). These were a bare electrode, a bismuth modified electrode (Bi-SPCE) and an antimony modified electrode (Sb-SPCE). The successful electrode modification was confirmed by scanning electron microscopy. The electroanalytical performance of the SPCE modified electrodes for MT detection was examined by cyclic voltammetry. The highest active surface area of 1.07
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Lezi, Nikolitsa, Christos Kokkinos, Anastasios Economou, and Mamas I. Prodromidis. "Voltammetric determination of trace Tl(I) at disposable screen-printed electrodes modified with bismuth precursor compounds." Sensors and Actuators B: Chemical 182 (June 2013): 718–24. http://dx.doi.org/10.1016/j.snb.2013.02.110.

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Mandil, Adil, and Aziz Amine. "Screen-Printed Electrodes Modified by Bismuth Film for the Determination of Released Lead in Moroccan Ceramics." Analytical Letters 42, no. 9 (2009): 1245–57. http://dx.doi.org/10.1080/00032710902901772.

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Franceschini, Filippo, Mattia Bartoli, Alberto Tagliaferro, and Sandro Carrara. "Electrodes for Paracetamol Sensing Modified with Bismuth Oxide and Oxynitrate Heterostructures: An Experimental and Computational Study." Chemosensors 9, no. 12 (2021): 361. http://dx.doi.org/10.3390/chemosensors9120361.

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In this work, novel platforms for paracetamol sensing were developed by the deposition of Bi2O3, Bi5O7NO3 and their heterostructures onto screen-printed carbon-paste electrodes. An easy and scalable solid state synthesis route was employed, and by setting the calcination temperatures at 500 °C and 525 °C we induced the formation of heterostructures of Bi2O3 and Bi5O7NO3. Cyclic voltammetry measurements highlighted that the heterostructure produced at 500 °C provided a significant enhancement in performance compared to the monophases of Bi2O and Bi5O7NO3, respectively. That heterostructure show
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Dissertations / Theses on the topic "Native and bismuth-modified screen printed electrodes"

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Feyssa, Belachew Tolla. "Application of bismuth modified disposable screen printed carbon electrode for metal- plant thiols complexation studies." Master's thesis, 2010. http://hdl.handle.net/10400.1/10740.

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The application of Bismuth modified cheap and disposable screen printed carbon electrode (BiSPCE) for voltammetric studies of metal–thiol rich peptides complexation was evaluated considering systems consisting of cadmium as a metal and GSH and PC2 as thiol peptides. Comparison of the performance of BiSPCE with the commonly used glassy carbon electrode (BiFE) was made. The information obtained about the complexation sequence using the former electrode was quite consistent with previous studies made on GSH and Cd systems using the conventional mercury electrodes due to the absence of signa
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