Search Results - "Galban, Javier"
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Enzymatically mediated fluorescent copper nanocluster generation for tyramine determination
Published in Analytical and bioanalytical chemistry (01-05-2023)“…This work details the enzymatic generation of fluorescence nanomaterials and the use of this optical signal as the analytical parameter for the quantification…”
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2
In situ enzymatic generation of Au/Pt nanoparticles as an analytical photometric system: proof of concept determination of tyramine
Published in Mikrochimica acta (1966) (01-04-2023)“…In situ enzymatic generation of bimetallic nanoparticles, mainly Au/Pt, overcomes the drawbacks (continuous absorbance drift, modest LOQ, and long-time…”
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3
Selective generation of gold nanostructures mediated by flavo-enzymes to develop optical biosensors
Published in Biosensors & bioelectronics (01-11-2022)“…This paper explores, for the first time, the use of flavo-enzymes for the enzymatic generation of gold nanomaterials. It has been demonstrated that when the…”
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4
Direct minimally invasive enzymatic determination of tyramine in cheese using digital imaging
Published in Analytica chimica acta (15-06-2021)“…An enzymatic method for the direct (without pretreatment) minimally invasive tyramine determination in cheese is proposed. Colorimetric test strips containing…”
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5
Gold nanoparticle formation as an indicator of enzymatic methods: colorimetric l-phenylalanine determination
Published in Analytical and bioanalytical chemistry (01-03-2022)“… An enzymatic-colorimetric method has been developed based on the reaction between l -phenylalanine ( l -Phe) and the l -amino acid oxidase (LAAO) in the…”
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Analytical possibilities of Putrescine and Cadaverine enzymatic colorimetric determination in tuna based on diamine oxidase: A critical study of the use of ABTS
Published in Talanta (Oxford) (01-02-2020)“…The joint determination of putrescine (Put) and cadaverine (Cad) in the presence of other biogenic amines is studied using their enzymatic reaction with…”
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7
Electronic Communication in Binuclear Osmium- and Iridium-Polyhydrides
Published in Inorganic chemistry (15-02-2021)“…Reactions of polyhydrides OsH6(PiPr3)2 (1) and IrH5(PiPr3)2 (2) with rollover cyclometalated hydride complexes have been investigated in order to explore the…”
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Colorimetric-enzymatic determination of tyramine by generation of gold nanoparticles
Published in Mikrochimica acta (1966) (01-03-2020)“…In this paper, it has been demonstrated that Au(III) is able to act instead of O 2 in the oxidase enzymatic reaction, so that it becomes reduced to purple gold…”
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9
Towards new fluorometric methodologies based on the in-situ generation of gold nanoclusters
Published in Talanta (Oxford) (01-01-2024)“…In this manuscript a method for the fluorometric determination of tyramine is described. It is based on the direct reaction between Au(III) and tyramine in a…”
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10
Tectomer-Mediated Optical Nanosensors for Tyramine Determination
Published in Sensors (Basel, Switzerland) (24-02-2023)“…The development of optical sensors for in situ testing has become of great interest in the rapid diagnostics industry. We report here the development of…”
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11
Portable colorimetric enzymatic disposable biosensor for histamine and simultaneous histamine/tyramine determination using a smartphone
Published in Analytical and bioanalytical chemistry (01-04-2023)“…Tyramine oxidase (TAO), peroxidase (HRP), and Amplex Red (AR) have been immobilized on cellulose to obtain disposable biosensors for the determination of…”
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Globotriaosylceramide-related biomarkers of fabry disease identified in plasma by high-performance thin-layer chromatography - densitometry- mass spectrometry
Published in Journal of Chromatography A (08-02-2021)“…•Identification of 19 Gb3 biomarkers in plasma extracts was performed by HPTLC-MS•HPTLC-UV densitometry was coupled to MS through an automated based…”
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13
A cyclometalated N-heterocyclic carbene and acetylacetonate ligands in a phosphorescent Pt(II) dye for sensing glucose
Published in Dyes and pigments (01-11-2023)“…New β-diketonate platinum (II) complexes, containing a cyclometalated N-heterocyclic carbene [Pt(Naph^C*iPr)(acac)] (3A)…”
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14
Scanning densitometry and mass spectrometry for HPTLC analysis of lipids: The last 10 years
Published in Journal of liquid chromatography & related technologies (25-02-2021)“…This work is a review on HPTLC contribution to lipid analysis in complex matrices, in the period from 2010 to now, lapse of time where hyphenation with other…”
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15
Spectrally Matched Upconverting Luminescent Nanoparticles for Monitoring Enzymatic Reactions
Published in ACS applied materials & interfaces (10-09-2014)“…We report on upconverting luminescent nanoparticles (UCLNPs) that are spectrally tuned such that their emission matches the absorption bands of the two most…”
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16
Smartphone-interrogated test supports for the enzymatic determination of putrescine and cadaverine in food
Published in Analytical and bioanalytical chemistry (01-07-2020)“…Diamino-oxidase (DAO), horseradish peroxidase (HRP), and tetramethylbenzidine (TMB) have been immobilized into cellulose to obtain circular cellulose test…”
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17
Gold nanocluster fluorescence as an indicator for optical enzymatic nanobiosensors: choline and acetylcholine determination
Published in Sensors and actuators. B, Chemical (20-12-2018)“…Scheme of the enzymatic nanobiosensor developed by oriented-covalent binding AuNCs (gold nanoclusters) -ChOx (choline oxidase), for the optical determination…”
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18
Fluorometric enzymatic autoindicating biosensor for H2O2 determination based on modified catalase
Published in Biosensors & bioelectronics (15-03-2013)“…Our general aim is to develop reversible optical biosensors which can be used for continuous monitoring. In this paper we propose a biosensor for H2O2…”
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19
Gold nanoclusters as a quenchable fluorescent probe for sensing oxygen at high temperatures
Published in Mikrochimica acta (1966) (01-03-2018)“…Gold nanoclusters (AuNCs) capped with lipoic acid (LA) or templated with bovine serum albumin (BSA) are shown to be viable fluorescent probes for oxygen (O 2 )…”
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20
A reagentless enzymatic fluorescent biosensor for glucose based on upconverting glasses, as excitation source, and chemically modified glucose oxidase
Published in Talanta (Oxford) (01-11-2016)“…Upon near-infrared excitation Tm3++Yb3+ doped fluorohafnate glasses present upconversion properties and emit visible light. This property permits to use these…”
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