Hydrogen peroxide detection under physiological conditions by Prussian blue stabilized using a polyelectrolyte-surfactant complex matrix
Poly(allylamine)-dodecylsulfate complex (PA-DS) is able to form a stable and layered structure onto graphite electrodes and can efficiently retain negatively charged ions like ferrocyanide. In this context, Prussian blue (PB) is electrochemically synthesized from a solution containing K 3[Fe(CN)6] a...
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| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_09254005_v182_n_p53_Gaviglio |
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todo:paper_09254005_v182_n_p53_Gaviglio2023-10-03T15:46:13Z Hydrogen peroxide detection under physiological conditions by Prussian blue stabilized using a polyelectrolyte-surfactant complex matrix Gaviglio, C. Battaglini, F. Artificial peroxidase H2O2 detection Physiological conditions Poly(allylamine) Prussian blue Sodium dodecylsulfate Artificial peroxidase Bioanalytical applications Electrochemical behaviors Hydrogen peroxide detections Physiological condition Polyallylamine Polyelectrolyte-surfactant complexes Prussian blue Graphite electrodes Hydrogen peroxide Peroxides Physiology Sodium dodecyl sulfate Physiological models Poly(allylamine)-dodecylsulfate complex (PA-DS) is able to form a stable and layered structure onto graphite electrodes and can efficiently retain negatively charged ions like ferrocyanide. In this context, Prussian blue (PB) is electrochemically synthesized from a solution containing K 3[Fe(CN)6] and FeCl3 at pH 1.7. The electrochemical behavior of the new system is investigated in different supporting electrolytes (K+ and Na+) and in acid and neutral media. Remarkable, well-defined and reversible voltammetric responses are obtained, especially under physiological conditions (neutral pH and 150 mM NaCl). In these conditions, the modified electrode is able to electrocatalyze the reduction of hydrogen peroxide (H2O2) at micromolar levels, with a low detection limit and good sensitivity. These results represent an important improvement regarding further uses of PB in bioanalytical applications. © 2013 Elsevier B.V. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_09254005_v182_n_p53_Gaviglio |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Artificial peroxidase H2O2 detection Physiological conditions Poly(allylamine) Prussian blue Sodium dodecylsulfate Artificial peroxidase Bioanalytical applications Electrochemical behaviors Hydrogen peroxide detections Physiological condition Polyallylamine Polyelectrolyte-surfactant complexes Prussian blue Graphite electrodes Hydrogen peroxide Peroxides Physiology Sodium dodecyl sulfate Physiological models |
| spellingShingle |
Artificial peroxidase H2O2 detection Physiological conditions Poly(allylamine) Prussian blue Sodium dodecylsulfate Artificial peroxidase Bioanalytical applications Electrochemical behaviors Hydrogen peroxide detections Physiological condition Polyallylamine Polyelectrolyte-surfactant complexes Prussian blue Graphite electrodes Hydrogen peroxide Peroxides Physiology Sodium dodecyl sulfate Physiological models Gaviglio, C. Battaglini, F. Hydrogen peroxide detection under physiological conditions by Prussian blue stabilized using a polyelectrolyte-surfactant complex matrix |
| topic_facet |
Artificial peroxidase H2O2 detection Physiological conditions Poly(allylamine) Prussian blue Sodium dodecylsulfate Artificial peroxidase Bioanalytical applications Electrochemical behaviors Hydrogen peroxide detections Physiological condition Polyallylamine Polyelectrolyte-surfactant complexes Prussian blue Graphite electrodes Hydrogen peroxide Peroxides Physiology Sodium dodecyl sulfate Physiological models |
| description |
Poly(allylamine)-dodecylsulfate complex (PA-DS) is able to form a stable and layered structure onto graphite electrodes and can efficiently retain negatively charged ions like ferrocyanide. In this context, Prussian blue (PB) is electrochemically synthesized from a solution containing K 3[Fe(CN)6] and FeCl3 at pH 1.7. The electrochemical behavior of the new system is investigated in different supporting electrolytes (K+ and Na+) and in acid and neutral media. Remarkable, well-defined and reversible voltammetric responses are obtained, especially under physiological conditions (neutral pH and 150 mM NaCl). In these conditions, the modified electrode is able to electrocatalyze the reduction of hydrogen peroxide (H2O2) at micromolar levels, with a low detection limit and good sensitivity. These results represent an important improvement regarding further uses of PB in bioanalytical applications. © 2013 Elsevier B.V. |
| format |
JOUR |
| author |
Gaviglio, C. Battaglini, F. |
| author_facet |
Gaviglio, C. Battaglini, F. |
| author_sort |
Gaviglio, C. |
| title |
Hydrogen peroxide detection under physiological conditions by Prussian blue stabilized using a polyelectrolyte-surfactant complex matrix |
| title_short |
Hydrogen peroxide detection under physiological conditions by Prussian blue stabilized using a polyelectrolyte-surfactant complex matrix |
| title_full |
Hydrogen peroxide detection under physiological conditions by Prussian blue stabilized using a polyelectrolyte-surfactant complex matrix |
| title_fullStr |
Hydrogen peroxide detection under physiological conditions by Prussian blue stabilized using a polyelectrolyte-surfactant complex matrix |
| title_full_unstemmed |
Hydrogen peroxide detection under physiological conditions by Prussian blue stabilized using a polyelectrolyte-surfactant complex matrix |
| title_sort |
hydrogen peroxide detection under physiological conditions by prussian blue stabilized using a polyelectrolyte-surfactant complex matrix |
| url |
http://hdl.handle.net/20.500.12110/paper_09254005_v182_n_p53_Gaviglio |
| work_keys_str_mv |
AT gaviglioc hydrogenperoxidedetectionunderphysiologicalconditionsbyprussianbluestabilizedusingapolyelectrolytesurfactantcomplexmatrix AT battaglinif hydrogenperoxidedetectionunderphysiologicalconditionsbyprussianbluestabilizedusingapolyelectrolytesurfactantcomplexmatrix |
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1807322233388924928 |