Síntesis de sensores curcuminoides para detección de pesticidas por fluorescencia

Pertuz Orozco, Juan David; Villarreal Díaz, Luis Carlos

Síntesis de sensores curcuminoides para detección de pesticidas por fluorescencia

dc.contributor.advisor	Osorio Martínez, Carlos Alberto
dc.contributor.advisor	Alvarado Rueda, Lizeth Johanna
dc.contributor.author	Pertuz Orozco, Juan David
dc.contributor.author	Villarreal Díaz, Luis Carlos
dc.contributor.corporatename	Universidad Santo Tomás
dc.date.accessioned	2026-11-04T16:30:43Z
dc.date.available	2026-11-04T16:30:43Z
dc.date.issued	2026-10-26
dc.description	En la actualidad, la contaminación por compuestos orgánicos sintéticos representa un desafío global para el desarrollo sostenible debido a su uso masivo a nivel industrial, comercial y agrícola. Entre estos destacan los plaguicidas y herbicidas, cuya aplicación directa en los cultivos libera residuos que contaminan el agua, el suelo y el aire. Aunque las agencias ambientales estipulan regulaciones estrictas sobre sus concentraciones, los métodos de monitoreo convencionales son costosos, demorados y presentan serias limitaciones técnicas. Por ello, existe una gran demanda por desarrollar métodos de detección más rápidos, simples y confiables. En este contexto, la curcumina, reconocida por sus múltiples acciones fisiológicas, destaca también por sus propiedades ópticas como polifenol fluorescente, permitiendo su uso (en forma natural o sintética) como material de partida para la detección química. Este artículo describe la preparación de sensores químicos basados en análogos de curcumina modificados y sus respectivos complejos metálicos de cobre (Cu+2). Estas variaciones estructurales incluyen la modificación de grupos donadores de electrones y el uso de disolventes adecuados para optimizar sus propiedades de absorción-emisión (fluorescencia y colorimetría), orientadas a la detección analítica eficiente de pesticidas.
dc.description.abstract	Currently, pollution by synthetic organic compounds represents a global challenge for sustainable development due to their massive use in industrial, commercial, and agricultural sectors. Prominent among these are pesticides and herbicides, whose direct application to crops releases residues that contaminate water, soil, and air. Although environmental agencies stipulate strict regulations regarding their limits, conventional monitoring methods are costly, time-consuming, and present significant technical limitations. Consequently, there is a high demand for the development of faster, simpler, and more reliable detection methods. In this context, curcumin, recognized for its multiple physiological activities, also stands out for its optical properties as a fluorescent polyphenol, enabling its use—in natural or synthetic form—as a starting material for chemical sensing. This paper describes the preparation of chemical sensors based on modified curcumin analogs and their corresponding copper (II) metal complexes (Cu+2). These structural variations include the modification of electron-donating groups and the selection of appropriate solvents to optimize their absorption-emission properties (fluorescence and colorimetry), targeted toward the efficient analytical detection of pesticides.
dc.description.degreelevel	Maestría	spa
dc.description.degreename	Magíster en Ciencias y Tecnologías Ambientales	spa
dc.description.domain	https://www.ustabuca.edu.co/
dc.format.mimetype	application/pdf
dc.identifier.citation	Peruz Orozco, J. D. y Villarreal Diáz, L. C. (2025). Síntesis de sensores curcuminoides para detección de pesticidas por fluorescencia [Tesis de posgrado]. Universidad Santo Tomás, Bucaramanga, Colombia
dc.identifier.instname	instname:Universidad Santo Tomás	spa
dc.identifier.reponame	reponame:Repositorio Institucional Universidad Santo Tomás	spa
dc.identifier.repourl	repourl:https://repository.usta.edu.co	spa
dc.identifier.uri	http://hdl.handle.net/11634/74688
dc.language.iso	spa	spa
dc.publisher	Universidad Santo Tomás	spa
dc.publisher.branch	CRAI-USTA Bucaramanga
dc.publisher.faculty	Facultad de Ciencias Ambientales	spa
dc.publisher.program	Maestría en Ciencias y Tecnologías Ambientales	spa
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dc.rights.accessrights	info:eu-repo/semantics/openAccess	spa
dc.rights.coar	http://purl.org/coar/access_right/c_abf2
dc.rights.local	Abierto (Texto Completo)	spa
dc.subject.keyword	Chemical sensors
dc.subject.keyword	Copper complexes
dc.subject.keyword	Curcumin analogs
dc.subject.keyword	Fluorescence
dc.subject.keyword	Pesticides
dc.subject.proposal	Complejos metálicos
dc.subject.proposal	Curcuminas
dc.subject.proposal	Fluorescencia
dc.subject.proposal	Pesticidas
dc.subject.proposal	Sensores químicos
dc.title	Síntesis de sensores curcuminoides para detección de pesticidas por fluorescencia
dc.type	master thesis
dc.type.category	Formación de Recurso Humano para la Ctel: Trabajo de grado de Maestría
dc.type.coar	http://purl.org/coar/resource_type/c_bdcc	spa
dc.type.coarversion	http://purl.org/coar/version/c_ab4af688f83e57aa	spa
dc.type.drive	info:eu-repo/semantics/masterThesis	spa
dc.type.local	Tesis de maestría	spa
dc.type.version	info:eu-repo/semantics/acceptedVersion	spa