2026-05-07T10:08:12Zhttps://riubu.ubu.es/oai/request

oai:riubu.ubu.es:10259/61392022-11-29T11:46:00Zcom_10259_3596com_10259_5086com_10259_2604com_10259_4354com_10259_4363col_10259_3597col_10259_4364col_10259_4355

García Tojal, Javier 221 600 Cuevas Vicario, José Vicente 137 600 0000-0002-2421-1529 Rojo Cámara, Mª Josefa 485 600 Díaz de Greñu Puertas, Borja 3e0c99e9-7cd8-492b-a3a6-61a71d8f5620 500 Hernando Muñoz, Carla 771 500 García Calvo, José 198 600 Martín Salgado, Mateo 885fbdcd-4dc5-4d55-970b-b59e082ac15b 600 Torroba Pérez, Tomás 554 600 2021-11-11T13:52:56Z 2021-11-11T13:52:56Z 2021-03 1420-3049 http://hdl.handle.net/10259/6139 10.3390/molecules26051404 We describe the synthesis of fluorogenic arylureas and amides and their interaction with primary or secondary amines under air and light in organic-aqueous mixtures to give rise to a new class of persistent organic radicals, described on the basis of their electron paramagnetic resonance (EPR), as well as UV–vis, fluorescence, NMR, and quantum mechanics calculations, and their prospective use as multi-signal reporters in a smart label for fish freshness. Funded by the NATO Science for Peace and Security Programme (Grant SPS G5536), the Junta de Castilla y León, Consejería de Educación y Cultura y Fondo Social Europeo (Grant BU263P18), and the Ministerio de Ciencia e Innovación (Grant PID2019-111215RB-100) application/pdf eng MDPI Molecules. 2021, V. 26, n. 5, 1404 https://doi.org/10.3390/molecules26051404 info:eu-repo/grantAgreement/NATO/Science for Peace and Security Programme/G5536//Development of New Chemical Sensors and Optical Technologies for Fast and Sensitive Detection of Improvised Explosives info:eu-repo/grantAgreement/Junta de Castilla y León//BU263P18//Sondas fluorescentes en materiales nanoestructurados para la detección y modificación de toxinas medioambientales o contaminantes traza y su incorporación a estrategias terapéuticas [fluonano] info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-111215RB-I00/ES/DESARROLLO DE NUEVOS SENSORES QUIMICOS PARA LA DETECCION RAPIDA Y SELECTIVA DE DISPOSITIVOS EXPLOSIVOS IMPROVISADOS Atribución 4.0 Internacional http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess Arylureas Turn-on fluorescence Organic radicals Smart label Volatile amines Química Chemistry Synthesis of Fluorogenic Arylureas and Amides and Their Interaction with Amines: A Competition between Turn-on Fluorescence and Organic Radicals on the Way to a Smart Label for Fish Freshness info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion THUMBNAIL Garcia-molecules_2021.pdf.jpg Garcia-molecules_2021.pdf.jpg IM Thumbnail image/jpeg 4746 https://riubu.ubu.es/bitstream/10259/6139/4/Garcia-molecules_2021.pdf.jpg 3d346b9eec637b3e4b64fac6d980d8b8 MD5 4 LICENSE license.txt license.txt text/plain; charset=utf-8 999 https://riubu.ubu.es/bitstream/10259/6139/3/license.txt b295bcbce42e2caabeb0c623d3860c06 MD5 3 CC-LICENSE license_rdf license_rdf application/rdf+xml; charset=utf-8 908 https://riubu.ubu.es/bitstream/10259/6139/2/license_rdf 0175ea4a2d4caec4bbcc37e300941108 MD5 2 ORIGINAL Garcia-molecules_2021.pdf Garcia-molecules_2021.pdf application/pdf 1366277 https://riubu.ubu.es/bitstream/10259/6139/1/Garcia-molecules_2021.pdf bb6461b5b37aa26a633f8e780885ef26 MD5 1 10259/6139 oai:riubu.ubu.es:10259/6139 2022-11-29 12:46:00.17 Repositorio Institucional de la Universidad de Burgos bubrep@ubu.es RWwgYXV0b3IgY29tbyDDum5pY28gdGl0dWxhciBkZSBsb3MgZGVyZWNob3MgZGUgcHJvcGllZGFkIGludGVsZWN0dWFsIGRlIGxhIG9icmEsIG8gZGlzcG9uaWVuZG8gZGUgbG9zIGRlYmlkb3MgcGVybWlzb3MgZGUgbG9zIG90cm9zIHRpdHVsYXJlcywgc2kgbG9zIGh1YmllcmEsIHkgZW4gdmlydHVkIGRlIGxvcyBkZXJlY2hvcyBxdWUgbGUgY29uZmllcmUgbGEgbGVnaXNsYWNpw7NuIHZpZ2VudGUgc29icmUgcHJvcGllZGFkIGludGVsZWN0dWFsIHkgZGVyZWNob3MgZGUgYXV0b3IsIA0KQVVUT1JJWkEgYSBsYSBVbml2ZXJzaWRhZCBkZSBCdXJnb3MgYSBkaWZ1bmRpciwgZGUgbWFuZXJhIGdyYXR1aXRhLCBlbCBjb250ZW5pZG8gZGUgbG9zIGFyY2hpdm9zIGRpZ2l0YWxlcyBxdWUgY29ycmVzcG9uZGVuIGFsIGRvY3VtZW50byBkZXNjcml0byBhbnRlcmlvcm1lbnRlLCBjb24gY2Fyw6FjdGVyIG5vIGV4Y2x1c2l2byB5IGRlIG1hbmVyYSBww7pibGljYSBlbiBhY2Nlc28gYWJpZXJ0byBhIHRyYXbDqXMgZGUgSW50ZXJuZXQsIHBhcmEgbG8gcXVlIGxhIEJpYmxpb3RlY2EgcHJvY2VkZXLDoSBhIGFyY2hpdmFybG9zIGVuIGVsIFJlcG9zaXRvcmlvIEluc3RpdHVjaW9uYWwuIEFzaW1pc21vIGF1dG9yaXphIGEgbGEgVW5pdmVyc2lkYWQgZGUgQnVyZ29zIGEgcmVhbGl6YXIgbGFzIHRyYW5zZm9ybWFjaW9uZXMgbmVjZXNhcmlhcyBkZSBmb3JtYXRvLCBubyBkZSBjb250ZW5pZG8sIHBhcmEgZ2FyYW50aXphciBsYSBwcmVzZXJ2YWNpw7NuIHkgZWwgYWNjZXNvIGVuIGVsIGZ1dHVyby4NCg0KRWwgYXV0b3IgZGlzcG9uZSwgZW4gdG9kbyBjYXNvLCBkZWwgZGVyZWNobyBhIHJldm9jYXIgZXN0YSBhdXRvcml6YWNpw7NuLg0KDQpMYSBjZXNpw7NuIGRlIGRlcmVjaG9zIGRlIGVzdGEgb2JyYSBzZSBlbmN1ZW50cmEgc3VqZXRhIGEgbGEgbGVnaXNsYWNpw7NuIHZpZ2VudGUgc29icmUgcHJvcGllZGFkIGludGVsZWN0dWFsIHkgZGVyZWNob3MgZGUgYXV0b3Iu