dc.creatorMartinez, María Victoria
dc.creatorConeo Rodriguez, Rusbel
dc.creatorBruno, Mariano Martín
dc.creatorAcevedo, Diego Fernando
dc.creatorBarbero, César Alfredo
dc.date.accessioned2020-02-28T15:29:42Z
dc.date.accessioned2022-10-15T12:42:55Z
dc.date.available2020-02-28T15:29:42Z
dc.date.available2022-10-15T12:42:55Z
dc.date.created2020-02-28T15:29:42Z
dc.date.issued2018-11
dc.identifierMartinez, María Victoria; Coneo Rodriguez, Rusbel; Bruno, Mariano Martín; Acevedo, Diego Fernando; Barbero, César Alfredo; Simple electrochemical detection method employing a hydrogel soft matrix: Application in tap water; Electrochemical Society; Journal of the Electrochemical Society; 165; 16; 11-2018; H1021-H1027
dc.identifier0013-4651
dc.identifierhttp://hdl.handle.net/11336/98573
dc.identifier1945-7111
dc.identifierCONICET Digital
dc.identifierCONICET
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/4387396
dc.description.abstractThe proposed method implies the electrochemical detection of an analyte preloaded in a hydrogel. In order to evaluate the potential application of this method, arsenic detection in tap water was performed. Polymeric hydrogels bearing cationic groups poly(Nisopropyacrylamide)-co-3-(acrylamidopropyl)trimethylammonium chloride were used to sorb arsenic ions, at basic pH, from thereal and synthetic stock samples. The concentration of arsenic was electrochemically determined using the loaded hydrogel and amodified glassy carbon electrode. Employing a cationic hydrogel, the peak current for the arsenic oxidation was ca. 8 times higherthan the peak current measured using poly(N-isopropyacrylamide), a neutral hydrogel, indicating a strong electrostatic interaction between the polymeric cationic groups and arsenite anions. By using this method, values of arsenic comparable to those measuredby Atomic Absorption Spectroscopy were obtained for tap water of small cities in Argentina. These results suggest that this new and easy method is suitable to sense a threshold limit of arsenic in real samples since the features of the hydrogel allow the arsenite loading into the matrix. Besides the cationic hydrogels could be employed to sampling on-field and to build a portable analysis system.
dc.languageeng
dc.publisherElectrochemical Society
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1149/2.0031816jes
dc.relationinfo:eu-repo/semantics/altIdentifier/url/https://iopscience.iop.org/article/10.1149/2.0031816jes
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.subjectElectrochemical
dc.subjectHydrogel
dc.subjectArsenic
dc.titleSimple electrochemical detection method employing a hydrogel soft matrix: Application in tap water
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:ar-repo/semantics/artículo
dc.typeinfo:eu-repo/semantics/publishedVersion


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