Determinación de la selectividad y sensibilidad de sensores químicos por iones de cobre

Este trabajo de grado tuvo como propósito estudiar la interacción entre un sensor químico derivado de cumarina y diversos iones metálicos utilizando métodos espectrofotométricos y espectrofluorescentes, como respuesta a la necesidad de aplicar métodos versátiles y de bajos costos de operación para e...

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Autores:
Rubén Alejandro, Vivas Gaspar
Tipo de recurso:
Trabajo de grado de pregrado
Fecha de publicación:
2020
Institución:
Universidad de Ibagué
Repositorio:
Repositorio Universidad de Ibagué
Idioma:
spa
OAI Identifier:
oai:repositorio.unibague.edu.co:20.500.12313/5779
Acceso en línea:
https://hdl.handle.net/20.500.12313/5779
Palabra clave:
Sensores químicos por iones de cobre - Selectividad y sensibilidad de sensores químicos
Determinación de sensores químicos por iones de cobre
Sensores químicos
Cumarinas
Iones de cobre
Chemical sensors
Coumarins
Copper ions
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openAccess
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dc.title.spa.fl_str_mv Determinación de la selectividad y sensibilidad de sensores químicos por iones de cobre
title Determinación de la selectividad y sensibilidad de sensores químicos por iones de cobre
spellingShingle Determinación de la selectividad y sensibilidad de sensores químicos por iones de cobre
Sensores químicos por iones de cobre - Selectividad y sensibilidad de sensores químicos
Determinación de sensores químicos por iones de cobre
Sensores químicos
Cumarinas
Iones de cobre
Chemical sensors
Coumarins
Copper ions
title_short Determinación de la selectividad y sensibilidad de sensores químicos por iones de cobre
title_full Determinación de la selectividad y sensibilidad de sensores químicos por iones de cobre
title_fullStr Determinación de la selectividad y sensibilidad de sensores químicos por iones de cobre
title_full_unstemmed Determinación de la selectividad y sensibilidad de sensores químicos por iones de cobre
title_sort Determinación de la selectividad y sensibilidad de sensores químicos por iones de cobre
dc.creator.fl_str_mv Rubén Alejandro, Vivas Gaspar
dc.contributor.advisor.none.fl_str_mv García Beltrán, Olimpo José
Nagles Vidal, Edgar Orlando [co-director ]
dc.contributor.author.none.fl_str_mv Rubén Alejandro, Vivas Gaspar
dc.subject.armarc.none.fl_str_mv Sensores químicos por iones de cobre - Selectividad y sensibilidad de sensores químicos
Determinación de sensores químicos por iones de cobre
topic Sensores químicos por iones de cobre - Selectividad y sensibilidad de sensores químicos
Determinación de sensores químicos por iones de cobre
Sensores químicos
Cumarinas
Iones de cobre
Chemical sensors
Coumarins
Copper ions
dc.subject.proposal.spa.fl_str_mv Sensores químicos
Cumarinas
Iones de cobre
dc.subject.proposal.eng.fl_str_mv Chemical sensors
Coumarins
Copper ions
description Este trabajo de grado tuvo como propósito estudiar la interacción entre un sensor químico derivado de cumarina y diversos iones metálicos utilizando métodos espectrofotométricos y espectrofluorescentes, como respuesta a la necesidad de aplicar métodos versátiles y de bajos costos de operación para el reconocimiento de iones de cobre en medio acuoso. Los resultados del laboratorio demuestran una interacción selectiva y sensible de la molécula N con los iones cuprosos (Cu+) y cúpricos (Cu2+) sobre los otros iones metálicos evaluados, generando un desplazamiento batocrómico y la aparición de un punto isosbéstico indicando la formación de una nueva especie. Por lo anterior, se considera que el quimiosensor podría ser aplicado a nivel ambiental y biológico que permita monitorear de manera selectiva y a bajas concentraciones la presencia de iones Cu+ y Cu2+ en solución acuosa.
publishDate 2020
dc.date.issued.none.fl_str_mv 2020
dc.date.accessioned.none.fl_str_mv 2025-10-15T13:58:15Z
dc.date.available.none.fl_str_mv 2025-10-15T13:58:15Z
dc.type.none.fl_str_mv Trabajo de grado - Pregrado
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dc.type.content.none.fl_str_mv Text
dc.type.driver.none.fl_str_mv info:eu-repo/semantics/bachelorThesis
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dc.identifier.citation.none.fl_str_mv Rubén Alejandro, V. G. (2020). Determinación de la selectividad y sensibilidad de sensores químicos por iones de cobre. [Trabajo de grado, Universidad de Ibagué]. https://hdl.handle.net/20.500.12313/5779
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/20.500.12313/5779
identifier_str_mv Rubén Alejandro, V. G. (2020). Determinación de la selectividad y sensibilidad de sensores químicos por iones de cobre. [Trabajo de grado, Universidad de Ibagué]. https://hdl.handle.net/20.500.12313/5779
url https://hdl.handle.net/20.500.12313/5779
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dc.relation.references.none.fl_str_mv ABOLLINO, Ornella, et al. Determination of mercury by anodic stripping voltammetry with a gold nanoparticle‐modified glassy carbon electrode. En: Electroanalysis: An International Journal Devoted to Fundamental and Practical Aspects of Electroanalysis, 2008, vol. 20, no 1, p. 75-83.
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spelling García Beltrán, Olimpo José8bf50d06-cdd6-49c8-bf83-0d5a530ffcf7-1Nagles Vidal, Edgar Orlando [co-director ]bd9a7866-483a-4355-9fa2-61180d18f375-1Rubén Alejandro, Vivas Gaspar8a8390e4-f087-4bbf-8760-0b9766316849-12025-10-15T13:58:15Z2025-10-15T13:58:15Z2020Este trabajo de grado tuvo como propósito estudiar la interacción entre un sensor químico derivado de cumarina y diversos iones metálicos utilizando métodos espectrofotométricos y espectrofluorescentes, como respuesta a la necesidad de aplicar métodos versátiles y de bajos costos de operación para el reconocimiento de iones de cobre en medio acuoso. Los resultados del laboratorio demuestran una interacción selectiva y sensible de la molécula N con los iones cuprosos (Cu+) y cúpricos (Cu2+) sobre los otros iones metálicos evaluados, generando un desplazamiento batocrómico y la aparición de un punto isosbéstico indicando la formación de una nueva especie. Por lo anterior, se considera que el quimiosensor podría ser aplicado a nivel ambiental y biológico que permita monitorear de manera selectiva y a bajas concentraciones la presencia de iones Cu+ y Cu2+ en solución acuosa.The purpose of this degree work was to study the interaction between a chemical sensor derived from coumarin and various metal ions using spectrophotometric and spectrofluorescent methods, in response to the need to apply versatile methods and low operating costs for the recognition of copper ions in aqueous medium. The laboratory results demonstrate a selective and sensitive interaction of the N molecule with cuprous (Cu+) and cupric (Cu2+) ions on the other evaluated metal ions, generating a bathochromic shift and the appearance of an isosbestic point, indicating the formation of a new species. Therefore, it is considered that the chemosensor could be applied at an environmental and biological level that allows to selectively monitor and at low concentrations the presence of Cu+ and Cu2+ ions in aqueous solution.PregradoAdministrador AmbientalINTRODUCCIÓN.....10 1. PLANTEAMIENTO DEL PROBLEMA.....13 1.1 Descripción del problema.....13 1.2 Formulación del problema.....16 2. JUSTIFICACIÓN.....17 3. OBJETIVOS.....19 3.1 Objetivo General.....19 3.2 Objetivos Específicos.....19 4. MARCO DE REFERENCIA.....20 4.1 Marco Conceptual.....20 4.2 Marco Teórico.....21 4.3 Marco Legal.....30 5. METODOLOGÍA.....31 5.1 Zona de Estudio.....31 5.2 Compuesto 3-amino-7-(dietilamino)-2H-cromen-2-ona (N).....31 5.3 Constantes Fotofísicas.....31 5.3.1 Preparación de Soluciones.....32 5.3.2 Espectro de absorción de N (λex).....32 5.3.3 Espectro de emisión de N (λem).....32 5.3.4 Coeficiente de extinción molar (ε).....32 5.3.5 Estudio de selectividad en solución acuosa.....33 5.3.6 Estudio de sensibilidad en solución acuosa.....33 6. RECURSOS Y MATERIALES.....34 7. CRONOGRAMA.....35 8. RESULTADOS Y DISCUSIÓN.....36 9. CONCLUSIONES.....45 RECOMENDACIONES.....46 BIBLIOGRAFÍA.....4753 páginasapplication/pdfRubén Alejandro, V. G. (2020). Determinación de la selectividad y sensibilidad de sensores químicos por iones de cobre. [Trabajo de grado, Universidad de Ibagué]. https://hdl.handle.net/20.500.12313/5779https://hdl.handle.net/20.500.12313/5779spaUniversidad de IbaguéCiencias Naturales y MatemáticasIbaguéAdministración AmbientalABOLLINO, Ornella, et al. 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Sensors and Actuators B: Chemical, 2017, vol. 243, p. 765-774.info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Atribución-NoComercial 4.0 Internacional (CC BY-NC 4.0)https://creativecommons.org/licenses/by-nc/4.0/Sensores químicos por iones de cobre - Selectividad y sensibilidad de sensores químicosDeterminación de sensores químicos por iones de cobreSensores químicosCumarinasIones de cobreChemical sensorsCoumarinsCopper ionsDeterminación de la selectividad y sensibilidad de sensores químicos por iones de cobreTrabajo de grado - Pregradohttp://purl.org/coar/resource_type/c_7a1fTextinfo:eu-repo/semantics/bachelorThesishttp://purl.org/redcol/resource_type/TPinfo:eu-repo/semantics/acceptedVersionPublicationLICENSElicense.txtlicense.txttext/plain; charset=utf-8134https://repositorio.unibague.edu.co/bitstreams/7e3218ad-0850-4ba7-95cd-899f468e9800/download2fa3e590786b9c0f3ceba1b9656b7ac3MD53TEXTTrabajo de grado.pdf.txtTrabajo de grado.pdf.txtExtracted texttext/plain94831https://repositorio.unibague.edu.co/bitstreams/6d539ef3-2521-411f-aaec-94452d25d0bd/download95e93743d90aff22369209db43bc8fe1MD54Formato de autorización.pdf.txtFormato de autorización.pdf.txtExtracted texttext/plain3743https://repositorio.unibague.edu.co/bitstreams/91424b91-7f89-42b3-b6e6-ec7ffeb9029e/download6ff04d2d357ba5c1a9a746021a0ab736MD56THUMBNAILTrabajo de grado.pdf.jpgTrabajo de grado.pdf.jpgIM Thumbnailimage/jpeg4623https://repositorio.unibague.edu.co/bitstreams/a7a8e76d-6d65-4880-bc42-28be6a494ad8/download84b2dced5c5fc5682c3263c541c3061dMD55Formato de autorización.pdf.jpgFormato de autorización.pdf.jpgIM Thumbnailimage/jpeg23160https://repositorio.unibague.edu.co/bitstreams/7b0ec8c5-57d5-4d5f-bfd0-2175397f3508/downloadf64ac48d502dbcf62c5dc5cfdb03ee89MD57ORIGINALTrabajo de grado.pdfTrabajo de grado.pdfapplication/pdf691927https://repositorio.unibague.edu.co/bitstreams/288f89ed-1f26-4a3e-bd48-5ef40d31b6b1/download432db8a7b0635ffe467c3993476f458fMD51Formato de autorización.pdfFormato de autorización.pdfapplication/pdf175534https://repositorio.unibague.edu.co/bitstreams/170cace8-0156-454f-ab74-e653af8a1355/downloadee9656cea697c8da5e5827c92ef37821MD5220.500.12313/5779oai:repositorio.unibague.edu.co:20.500.12313/57792025-11-28 09:40:23.211https://creativecommons.org/licenses/by-nc/4.0/https://repositorio.unibague.edu.coRepositorio Institucional Universidad de Ibaguébdigital@metabiblioteca.comQ3JlYXRpdmUgQ29tbW9ucyBBdHRyaWJ1dGlvbi1Ob25Db21tZXJjaWFsLU5vRGVyaXZhdGl2ZXMgNC4wIEludGVybmF0aW9uYWwgTGljZW5zZQ0KaHR0cHM6Ly9jcmVhdGl2ZWNvbW1vbnMub3JnL2xpY2Vuc2VzL2J5LW5jLW5kLzQuMC8=

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