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Listar por palabra clave "Fluorescence"

Mostrando ítems 1-20 de 77

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2,4-dinitrophenyl ether-containing chemodosimeters for the selective and sensitive 'in vitro' and 'in vivo' detection of hydrogen sulfide

El Sayed Shehata Nasr, Sameh; De La Torre, C,; Santos Figueroa, Luis E.; Martínez-Máñez, Ramón; Sancenón Galarza, Félix; Orzáez, M.; Costero, Ana M.; Parra, Margarita; Gil, Salvador (Taylor & Francis, 2015)

[EN] Four probes (i.e. D1¿D4) for the selective and sensitive fluorogenic detection of HS2 have been prepared and characterised. HEPES (10 mM, pH 7.4)¿DMSO 99:1 v/v solutions of D1¿D4 are essentially non-fluorescent. ...
5,5 '-Bis-vanillin derivatives as discriminating sensors for trivalent cations

Costero Nieto, Ana María; Gil Grau, Salvador; Parra Álvarez, Margarita; Mancini, Pedro Maximo Emilio; Kneeteman, Maria N.; Quindt, Matias I. (Elsevier, 2015-06-24)

[EN] Several bis-vanillin derivatives containing semicarbazone moieties have been prepared and used in discriminating trivalent cations. The prepared probes are readily obtained and they are usually highly crystalline. ...
A Boron Dipyrromethene (BODIPY)-Based Cu-II-Bipyridine Complex for Highly Selective NO Detection

Juárez, Luis A.; Barba Bon, Andrea; Costero Nieto, Ana María; Martínez Mañez, Ramón; Sancenón Galarza, Félix; Parra Álvarez, Margarita; Gaviña Costero, Pablo; Terencio Silvestre, María Carmen; Alcaraz Tormo, María José (2015)

[EN] A BODIPY-containing Cu-II-bipyridine complex for the simple selective fluorogenic detection of NO in air and in live cells is reported. The detection mechanism is based on NO-promoted Cu-II to Cu-I reduction, followed ...
A combined photophysical and computational study on the binding of mycophenolate mofetil and its major metabolite to transport proteins

Vendrell-Criado, Victoria; González-Bello, Concepción; Miranda Alonso, Miguel Ángel; Jiménez Molero, María Consuelo (Elsevier, 2018-06-15)

[EN] Binding of the inmunodrepresive agent mycophenolate mofetil (MMP) and its pharmacologically active metabolite mycophenolic acid (MPA) to human serum albumin (HSA) and ¿1-acid glycoprotein (HAAG) has been investigated ...
A mechanistic study on photocatalysis by thiapyrylium salts. Photodegradationof dimethoate, alachlor and pyrimethanil under simulated sunlight

Gomis Vicens, Juan; Arques Sanz, Antonio; Amat Payá, Ana María; Marín García, Mª Luisa; Miranda Alonso, Miguel Ángel (Elsevier, 2012-07-23)

Photodegradation of dimethoate, alachlor, and pyrimethanil using a thiapyrilium salt (TPTP+) as photocatalyst was performed under simulated sunlight. The photocatalyst removes preferentially pyrimethanil (45% after 60 min ...
A New Highly Selective Chromogenic and Fluorogenic Chemosensor for Copper (II)

Quindt, M. I.; Gutiérrez, Leandro G.; Kneeteman, M. N.; Mancini, P.M.E.; Parra Alvarez, Margarita; Gil Grau, Salvador; Costero, Ana M. (Bentham Science, 2018)

[EN] A new fluorogenic and chromogenic probe (L) for the selective, sensitive and naked-eye detection of Cu2+ is reported. Complexation constant, complex stoichiometry and quantum chemical (DFT) calculation for Cu2+ complex ...
A new phenanthrene-based bis-oxime chemosensor for Fe(III) and Cr(III) discrimination

Bravo, Virginia; Gil Grau, Salvador; Costero Nieto, Ana María; Kneeteman, Maria N.; Llaosa, Úrsula; Mancini, Pedro Maximo Emilio; Ochando Gómez, Luis Enrique; Parra Álvarez, Margarita (Elsevier, 2012-06-17)

[EN] The synthesis of two new 2,7-disubstituted phenanthrene-based bis oximes is described. The ability of these two compound for complexing heavy metal cations have been studied and complexation constants and complex ...
A Rapid and Sensitive Strip-Based Quick Test for Nerve Agents Tabun, Sarin, and Soman Using BODIPY-Modified Silica Materials

Climent Terol, Estela; Biyikal, Mustafa; Gawlitza, K.; Dropa, T.; Urban, M.; Costero Nieto, Ana María; Martínez-Máñez, Ramón; Rurack, K. (Wiley, 2016-08-01)

Test strips that in combination with a portable fluorescence reader or digital camera can rapidly and selectively detect chemical warfare agents (CWAs) such as Tabun (GA), Sarin (GB), and Soman (GD) and their simulants in ...
A Simple System Based on a Thiourea-Modified Fluorescein for w-Amino Acid Discrimination

Marti, A.; Costero Nieto, Ana María; Gaviña, P.; Parra Álvarez, Margarita (Wiley-VCH Verlag, 2015-09-22)

A thiourea-modified fluorescein derivative was synthesized by reaction of fluorescein isothiocyanate with 2-(2-aminoethoxy)ethan-1-ol. UV/Vis absorption and fluorescence emission spectroscopy studies demonstrated that this ...
Advanced XAS (X-ray Absorption Spectroscopy) characterization of lead coordination in perovskite solutions to optimize thin film crystal structures

Mir Díaz, Marta (Universitat Politècnica de València, 2024-10-03)

[ES] La creciente demanda de fuentes de energía renovable ha llevado a un interés significativo en el estudio de materiales avanzados para su uso en celdas solares. Las perovskitas han emergido como una opción altamente ...
Analysis of the upconversion emission of yttrium orthoaluminate nanoperovskite co-doped with Er3+/Yb3+ ions for thermal sensing applications

Hernández-Rodríguez, M.A.; Lozano-Gorrín, A.D.; Lavin, V.; Rodriguez-Mendoza, U.R.; Martin, I.R.; Manjón, Francisco-Javier (Elsevier, 2018-10)

[EN] The upconversion emissions of yttrium orthoaluminate nano-perovskite co-doped with Er3+/Yb3+ have been studied. Strong green and red upconversion emissions, which can be observed by naked eyes, were observed when ...
Anchoring of Diphenylphosphinyl Groups to NH2-MIL-53 by Post-Synthetic Modification

Castellanos, Sonia; Sai Sankar Gupta, Karthick Babu; Pustovarenko, Alexey; Dikhtiarenko, Alla; Nasalevich, Maxim; Atienzar Corvillo, Pedro Enrique; García Gómez, Hermenegildo; Gascon, Jorge; Kapteijn, Freek (Wiley-VCH Verlag, 2015-10)

Incorporation of new functionalities into metal-organic frameworks (MOFs) by post-synthetic modification is a most attractive strategy for attaining the desired properties without risking destruction of the crystalline ...
Aplicación de técnicas de iluminación y procesado de imagen para la detección y medición de lesiones

Moncho Santonja, María (Universitat Politècnica de València, 2023-01-02)

[ES] En el presente trabajo se realiza un análisis completo de las técnicas de iluminación y registro de imagen desarrollados hasta el momento y que permiten emplear la fluorescencia intrínseca de estructuras biológicas ...
Arylisoquinoline-derived organoboron dyes with a triaryl skeleton show dual fluorescence

Pais, Vania F.; Neumann, T.; Vayá Pérez, Ignacio; Jiménez Molero, María Consuelo; Ros, Abel; Pischel, Uwe (Beilstein-Institut, 2019-11-04)

[EN] Four new dyes that derive from borylated arylisoquinolines were prepared, containing a third aryl residue (naphthyl, 4-methoxynaphthyl, pyrenyl or anthryl) that is linked via an additional stereogenic axis. The triaryl ...
Assessment of drug entrapment within liposomes using photophysical probes

Oliverio, Filomena; Nuin Plá, Neus Edurne; Andreu Ros, María Inmaculada; Ragno, Gaetano; Miranda Alonso, Miguel Ángel (Elsevier, 2014-10)

The photophysical and photochemical behavior of (R)-cinacalcet (CIN) and (S)-naproxen (NPX) entrapped within liposomes has been studied. For this purpose, liposome encapsulated drugs have been prepared through thin layer ...
Azide and sulfonylazide functionalized fluorophores for the selective and sensitive detection of hydrogen sulfide

El Sayed Shehata Nasr, Sameh; De la Torre Paredes, Cristina; Santos Figueroa, Luis Enrique; Marín Hernández, Cristina; Martínez Mañez, Ramón; Sancenón Galarza, Félix; Costero Nieto, Ana María; Gil, Salvador; Parra, Margarita (Elsevier, 2015-02)

[EN] Three fluorescent probes (1–3) for the selective and sensitive detection of hydrogen sulfide have been synthesized and characterized. Probe 1 is a coumarin derivative functionalized with an azide moiety whereas 2 ...
Biophysical characterization of the HIV-1 Pol polyprotein and virtual screening for identification of binders

Vega Sarabia, Alejandra (Universitat Politècnica de València, 2022-07-18)

[ES] El VIH-1 es un virus perteneciente a la familia de los retrovirus, ya que los de su familia tienen ARN como material genético, sin embargo para infectar las células humanas deben tener mecanismos que permitan la ...
Caracterización espectroscópica, a través de técnicas de absorción y emisión, de la interacción fotoinducida entre N-óxidos heterocíclicos y proteínas

Cerdán Flores, Claudia (Universitat Politècnica de València, 2020-01-07)

[ES] Los N-óxidos heterocíclicos (NO) son compuestos aromáticos cuyo heteroátomo es el nitrógeno al que está unido un oxígeno a través de un enlace sencillo. Los NO han demostrado una amplia versatilidad como agentes ...
Caracterización, a través de técnicas de imagen, del uso de Caenorhabditis Elegans como indicador del daño oxidativo

Cifuentes Adán, Iñaki (Universitat Politècnica de València, 2024-07-31)

[ES] El objetivo de este trabajo fue evaluar, a través de técnicas de imagen como son la locomoción y la fluorescencia, el uso de Caenorhabditis Elegans como indicador del daño oxidativo generado por el agente oxidante ...
Carotenoids in dehydrated persimmon: Antioxidant activity, structure, and photoluminescence

Martínez González, Cristina; López-García, Adrián; Llorca Martínez, Mª Empar; Hernando Hernando, Mª Isabel; Atienzar Corvillo, Pedro Enrique; Bermejo-Del Castillo, Almudena; Moraga Ballesteros, Gemma; Quiles Chuliá, Mª Desamparados (Elsevier, 2021-05)

[EN] In this study, the effect of two hot air drying conditions (40 degrees C for 23 h and 60 degrees C for 9 h) on the content, antioxidant activity, microstructure, and luminescence properties of persimmon carotenoids ...