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Listar por autor "Gaviña Costero, Pablo"

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A Colorimetric Probe for the Selective Detection of Norepinephrine Based on a Double Molecular Recognition with Functionalized Gold Nanoparticles

Godoy-Reyes, Tania Mariel; Costero, Ana M.; Gaviña, Pablo; Martínez-Máñez, Ramón; Sancenón Galarza, Félix (American Chemical Society, 2019-03-22)

[EN] A simple colorimetric probe for the selective and sensitive detection of neurotransmitter norepinephrine (NE), an important biomarker in the detection of tumors such as pheochromocytoma and paraganglioma, is described. ...
A l-glutamate-responsive delivery system based on enzyme-controlled self-immolative arylboronate-gated nanoparticles

Godoy-Reyes, Tania Mariel; Llopis-Lorente, Antoni; García-Fernández, Alba; Gaviña, Pablo; Costero, Ana M.; Villalonga, Reynaldo; Sancenón Galarza, Félix; Martínez-Máñez, Ramón (Royal Society of Chemistry, 2019-04-07)

[EN] We report herein a l-glutamate (l-Glu)-responsive delivery system. It consists of Janus Au-mesoporous silica (MS) nanoparticles functionalized with l-glutamate oxidase on the Au face and with self-immolative arylboronate ...
A New Environmentally-Friendly Colorimetric Probe for Formaldehyde Gas Detection under Real Conditions

Martínez-Aquino, Carlos; Costero, Ana M.; Gil Grau, Salvador; Gaviña, Pablo (MDPI AG, 2018-10)

[EN] A new environmentally-friendly, simple, selective and sensitive probe for detecting formaldehyde, based on naturally-occurring compounds, through either colorimetric or fluorescence changes, is described. The probe ...
A New Simple Chromo-fluorogenic Probe for NO2 Detection in Air

Juarez, Luis A.; Costero, Ana M.; Sancenón Galarza, Félix; Martínez-Máñez, Ramón; Parra Álvarez, Margarita; Gaviña Costero, Pablo (John Wiley & Sons, 2015)

[EN] A new chromo-fluorogenic probe, consisting of a biphenyl derivative containing both a silylbenzyl ether and a N,N-dimethylamino group, for NO2 detection in the gas phase has been developed. A clear colour change from ...
Acetylcholine-responsive cargo release using acetylcholinesterase-capped nanomaterials

Godoy-Reyes, Tania Mariel; Llopis-Lorente, Antoni; García-Fernández, Alba; Gaviña, Pablo; Costero, Ana M.; Martínez-Máñez, Ramón; Sancenón Galarza, Félix (The Royal Society of Chemistry, 2019)

[EN] Mesoporous silica nanoparticles capped with acetylcholinesterase, through boronic ester linkages, selectively release an entrapped cargo in the presence of acetylcholine.
Acetylcholinesterase-Capped Mesoporous Silica Nanoparticles That Open in the Presence of Diisopropylfluorophosphate (a Sarin or Soman Simulant)

Pascual, Lluís; El Sayed Shehata Nasr, Sameh; Martínez-Máñez, Ramón; Costero Nieto, Ana María; Gil Grau, Salvador; Gaviña Costero, Pablo; Sancenón Galarza, Félix (American Chemical Society, 2016-11-04)

Mesoporous silica nanoparticles loaded with rhodamine B and capped with acetylcholinesterase are able to be selectively opened and deliver their cargo in the presence of nerve agent simulant diisopropyl fluorophosphate (DFP).
BODIPY dyes functionalized with 2-(2-dimethylaminophenyl) ethanol moieties as selective OFF-ON fluorescent chemodosimeters for the nerve agent mimics DCNP and DFP

Gotor Candel, Raul Jesús; Gaviña Costero, Pablo; Ochando Gómez, Luis Enrique; Chulvi, Katherine; Lorente, Alejandro; Martínez-Máñez, Ramón; Costero, Ana M. (The Royal Society of Chemistry, 2014)

[EN] Two OFF-ON fluorescent chemodosimeters based on a BODIPY core for the detection of nerve agent mimics have been synthesized. Their reactivity towards diethylcyanophosphonate (DCNP) and diisopropylfluorophosphate (DFP) ...
Chromogenic Chemodosimeter Based on Capped Silica Particles to Detect Spermine and Spermidine

Barros, Mariana; López-Carrasco, Alejandro; Amorós, Pedro; Gil Grau, Salvador; Gaviña, Pablo; PARRA ALVAREZ, MARGARITA; El Haskouri, Jamal; TERENCIO SILVESTRE, Mº CARMEN; Costero, Ana M. (MDPI AG, 2021-03)

[EN] A new hybrid organic-inorganic material for sensing spermine (Spm) and spermidine (Spd) has been prepared and characterized. The material is based on MCM-41 particles functionalized with an N-hydroxysuccinimide ...
Colorimetric and fluorescent detection of synthetic cathinones in oral fluid with meso-aryl BODIPYs and Cu(ii)

Hernández-Contreras, Jordi; Parra Álvarez, Margarita; Gil Grau, Salvador; Costero, Ana M.; Arroyo, Pau; Sancenón Galarza, Félix; Martínez-Máñez, Ramón; Sáez, José A.; Gaviña, Pablo (The Royal Society of Chemistry, 2022-10-04)

[EN] Synthetic cathinones are a class of new psychoactive substances whose consumption has increased a lot and is widespread throughout the world. Thus, there is currently a need for rapid and simple detection of these ...
Colorimetric detection of normetanephrine, a pheochromocytoma biomarker, using bifunctionalised gold nanoparticles

Godoy-Reyes, Tania Mariel; Costero, Ana M.; Gaviña, Pablo; Martínez-Máñez, Ramón; Sancenón Galarza, Félix (Elsevier, 2019-05-16)

[EN] A simple and effective colorimetric method for the detection of normetanephrine (NMN), an O-methylated metabolite of norepinephrine, using functionalised gold nanoparticles is described. This metabolite is an important ...
Detection and discrimination of organophosphorus pesticides in water by using a colorimetric probe array

Ferri, Daniel; Gaviña, Pablo; Costero, Ana M.; Parra, Margarita; Vivancos, José-Luis; Martínez-Máñez, Ramón (Elsevier, 2014-10)

[EN] Detection and discrimination of several organophosphorus pesticides in water using a colorimetric probe array containing twelve dyes has been achieved. A clear discrimination for malathion, leptophos, dichlorvos, ...
Double Drug Delivery Using Capped Mesoporous Silica Microparticles for the Effective Treatment of Inflammatory Bowel Disease

Hernández Teruel, Adrián; Pérez-Esteve, Édgar; González-Álvarez, Isabel; González-Álvarez, Marta; Costero Nieto, Ana María; Ferri, Daniel; Gaviña, Pablo; Merino Sanjuán, Virginia; Martínez-Máñez, Ramón; Sancenón Galarza, Félix (American Chemical Society, 2019-06)

[EN] Silica mesoporous microparticles loaded with both rhodamine B fluorophore (S1) or hydrocortisone (S2), and capped with an olsalazine derivative, are prepared and fully characterized. Suspensions of Si and S2 in water ...
Mesoporous silica microparticles gated with a bulky azo derivative for the controlled release of dyes/ drugs in colon

Ferri, Daniel; Gaviña, Pablo; Parra Álvarez, Margarita; Costero, Ana M.; El Haskouri, Jamal; Amorós del Toro, Pedro; Merino Sanjuán, Virginia; Teruel, Adrián H; Sancenón Galarza, Félix; Martínez-Máñez, Ramón (The Royal Society, 2018-08)

[EN] Mesoporous silica microparticles were prepared, loaded with the dye safranin O (M-Saf) or with the drug budesonide (M-Bud) and capped by the grafting of a bulky azo derivative. Cargo release from M-Saf at different ...
Nanosensor for Sensitive Detection of the New Psychedelic Drug 25I-NBOMe

Garrido-García, Eva María; Alfonso-Navarro, María; Díaz de Greñu-Puertas, Borja; Lozano-Torres, Beatriz; Parra Álvarez, Margarita; Gaviña, Pablo; Marcos Martínez, María Dolores; Martínez-Máñez, Ramón; Sancenón Galarza, Félix (John Wiley & Sons, 2020-03-02)

[EN] This work reports the synthesis, characterization, and sensing behavior of a hybrid nanodevice for the detection of the potent abuse drug 25I-NBOMe. The system is based on mesoporous silica nanoparticles, loaded ...
Neurotransmitters recognition based on gold nanoparticles and mesoporous silica nanoparticles for sensing and controlled release applications

Godoy Reyes, Tania Mariel (Universitat Politècnica de València, 2020-12-10)

[ES] La presente tesis doctoral titulada "Reconocimiento de neurotransmisores basado en nanopartículas de oro y de sílice mesoporosa para aplicaciones de detección y liberación controlada" es una tesis realizada por compendio ...
NO2-controlled cargo delivery from gated silica mesoporous nanoparticles

Juarez, L. Alberto; Costero, Ana M.; Parra Alvarez, Margarita; Gaviña, Pablo; Gil Grau, Salvador; Martínez-Máñez, Ramón; Sancenón Galarza, Félix (The Royal Society of Chemistry, 2017-01-11)

[EN] Cargo delivery from mesoporous silica nanoparticles loaded with sulforhodamine B and capped with a difluoroboron-dipyrromethene (BODIPY) derivative was triggered by a NO2-induced oxidative process.
Peptide-Capped Mesoporous Nanoparticles: Toward a more Efficient Internalization of Alendronate

Añón, Elena; Costero, Ana M.; Amorós del Toro, Pedro; El Haskouri, Jamal; Martínez-Máñez, Ramón; Parra Álvarez, Margarita; Gil Grau, Salvador; Gaviña, Pablo; Terencio Silvestre, María Carmen; Alfonso-Navarro, María (John Wiley & Sons, 2020-03-31)

[EN] Osteoporosis is an illness which appears when the osteoblast/osteoclast activities are unbalanced taking place bone resorption (caused by osteoclasts) in higher extension than bone formation (induced by osteoblasts). ...
Resorcinol Functionalized Gold Nanoparticles for Formaldehyde Colorimetric Detection

Martínez-Aquino, Carlos; Costero, Ana M.; Gil Grau, Salvador; Gaviña, Pablo (MDPI AG, 2019-02-22)

[EN] Gold nanoparticles functionalized with resorcinol moieties have been prepared and used for detecting formaldehyde both in solution and gas phases. The detection mechanism is based on the color change of the probe upon ...
Selective and Sensitive Chromogenic Detection of Cyanide and HCN in Solution and in Gas Phase

Gotor Candel, Raul Jesús; Costero Nieto, Ana María; Gil Grau, Salvador; Parra Álvarez, Margarita; Martínez Mañez, Ramón; Sancenón Galarza, Félix; Gaviña Costero, Pablo (Royal Society of Chemistry, 2013-06-25)

Two triphenylmethane based chemodosimeters for selective and chromogenic sensing of cyanide anions in aqueous environments and of hydrogen cyanide in gas phase were prepared and studied.
Selective and sensitive colorimetric detection of the neurotransmitter serotonin based on the aggregation of bifunctionalised gold nanoparticles

Godoy-Reyes, Tania Mariel; Llopis-Lorente, Antoni; Costero, Ana M.; Sancenón, Félix; Gaviña, Pablo; Martínez-Máñez, Ramón (Elsevier, 2018)

[EN] We report a simple, sensitive and selective method for the colorimetric detection of serotonin (5-HT) in aqueous media using bifunctionalized gold nanoparticles (AuNPs). The probe (1) consisted of AuNPs functionalised ...