Search Results - "Rı́os, Angel"

Recent advances in magnetic nanomaterials for improving analytical processes by Ríos, Ángel, Zougagh, Mohammed

“…•The use of magnetic nanomaterials (MNMs) in analytical processes is reviewed.•Sample preparation methods using MNMs are summarized.•The separation techniques…”
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Microchimica Acta with X international congress on analytical nanoscience and nanotechnology, X NyNA 2022 by Ríos, Ángel

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A sensitive electrochemical sensor based on aluminium doped copper selenide nanoparticles-modified screen printed carbon electrode for determination of L-tyrosine in pharmaceutical samples by Murtada, Khaled, Salghi, Rachid, Ríos, Angel, Zougagh, Mohammed

“…A simple method for the quantitative and determination of L-tyrosine was proposed in this work. Aluminium doped copper selenide nanoparticles (Al-CuSe-NPs),…”
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Analytical nanoscience and nanotechnology: a topical collection in honor of Prof. Miguel Valcárcel by Ríos, Ángel, Parak, Wolfgang J.

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Ionic liquid and magnetic multiwalled carbon nanotubes for extraction of N-methylcarbamate pesticides from water samples prior their determination by capillary electrophoresis by Ben Attig, Jihène, Latrous, Latifa, Zougagh, Mohammed, Ríos, Ángel

“…A simple and rapid microextraction procedure is reported on the use of ionic liquid (IL) in combination with magnetic multiwalled carbon nanotubes (MMWCNTs)…”
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Analytical nanometrological approach for screening and confirmation of titanium dioxide nano/micro-particles in sugary samples based on Raman spectroscopy – Capillary electrophoresis by Moreno, Virginia, Zougagh, Mohammed, Ríos, Ángel

“…Analytical nanometrology is a present challenge in today's analytical science, particularly from a practical point of view and when it is addressed to…”
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Analytical control of Rhodamine B by SERS using reduced graphene decorated with copper selenide by Moreno, Virginia, Murtada, Khaled, Zougagh, Mohammed, Ríos, Ángel

“…A novel approach for the decoration of reduced graphene oxide with copper selenide (CuSe-rGO), using supercritical carbon dioxide (sc-CO2) as a medium, was…”
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Determination of anti-carcinogenic polyphenols present in green tea using capillary electrophoresis coupled to a flow injection system by Arce, Lourdes, Rı́os, Angel, Valcárcel, Miguel

“…A capillary electrophoresis (CE) method was developed for the simultaneous determination of a number of major ingredients of green tea. The components analysed…”
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A new nanometrological strategy for titanium dioxide nanoparticles screening and confirmation in personal care products by CE-spICP-MS by Adelantado, Carlos, Ríos, Ángel, Zougagh, Mohammed

“…A new nanometrological approach was developed for screening of titania nanoparticles by capillary electrophoresis after adsorption of a target analyte namely…”
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Direct determination of total carbonate salts in soil samples by continuous-flow piezoelectric detection by Zougagh, Mohammed, Rı́os, Angel, Valcárcel, Miguel

“…Two new methods for the determination of total carbonate salts, as CaCO 3, in soil by continuous-flow piezoelectric (PZ) detection are proposed. Both use a…”
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Decoration of graphene oxide with copper selenide in supercritical carbon dioxide medium as a novel approach for electrochemical sensing of eugenol in various samples by Murtada, Khaled, Moreno, Virginia, Ríos, Ángel, Zougagh, Mohammed

“…[Display omitted] •Reduced graphene oxide was decorated with copper selenide nanoparticles.•The reduction was performed in supercritical carbon dioxide…”
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Development of an Aluminium Doped TiO2 Nanoparticles‐modified Screen Printed Carbon Electrode for Electrochemical Sensing of Vanillin in Food Samples by Murtada, Khaled, Jodeh, Shehdeh, Zougagh, Mohammed, Ríos, Ángel

“…A new chemically modified electrode based on titanium dioxide nanoparticles (TiO2‐NPs) has been developed. Aluminium was incorporated into the TiO2‐NPs to…”
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Selective dual sensing strategy for free and vitamin D3 micelles in food samples based on S,N-GQDs photoinduced electron transfer by Villamayor, Natalia, Villaseñor, M. Jesús, Ríos, Ángel

“…A reliable nanotechnological sensing strategy, based on an S,N-co-doped graphene quantum dot (GQD) platform, has been developed to distinctly detect two key…”
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Carbon dots – Separative techniques: Tools-objective towards green analytical nanometrology focused on bioanalysis by de Andrés, Fernando, Ríos, Ángel

“…•C-dots’ role in analytical separations is still quite unexplored.•C-dots based-separation techniques give economic, environmental and applicability…”
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Direct automatic screening and individual determination of polycyclic aromatic hydrocarbons using supercritical fluid extraction coupled on-line with liquid chromatography and fluorimetric detection by Zougagh, Mohammed, Rı́os, Angel, Valcárcel, Miguel

“…A fast, simple method that allows the direct screening of sediment samples for polycyclic aromatic hydrocarbons (PAHs) by the use of a flow manifold coupled…”
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Implications of analytical nanoscience in pharmaceutical and biomedical fields: A critical view by López-Sánchez, Claudia, de Andrés, Fernando, Ríos, Ángel

“…This review summarizes recent progress performed in the design and application of analytical tools and methodologies using nanomaterials for pharmaceutical…”
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Rapid determination of malondialdehyde in serum samples using a porphyrin-functionalized magnetic graphene oxide electrochemical sensor by Ben Attig, Jihène, Latrous, Latifa, Galvan, Ismael, Zougagh, Mohammed, Ríos, Ángel

“…An electrochemical sensor based on a screen-printed carbon electrode (SPCE) modified with porphyrin-functionalized magnetic graphene oxide (TCPP-MGO) was…”
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Nanostructured hybrid surface enhancement Raman scattering substrate for the rapid determination of sulfapyridine in milk samples by Moreno, Virginia, Adnane, Asmae, Salghi, Rachid, Zougagh, Mohammed, Ríos, Ángel

“…The fabrication of surface-enhanced Raman spectroscopy (SERS) substrates, which can offer the advantages of strong Raman signal enhancement with good…”
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Analytical control of nanodelivery lipid-based systems for encapsulation of nutraceuticals: Achievements and challenges by Montes, Cristina, Villaseñor, Ma Jesús, Ríos, Ángel

“…Nutraceuticals are food ingredients that provide benefits, since they are considered to prevent chronic diseases and help improving health. However,…”
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Modern qualitative analysis by miniaturized and microfluidic systems by Ríos, Ángel, Zougagh, Mohammed

“…•Qualitative analysis in miniaturized and microfluidic analytical systems.•Progress in identification of compounds by miniaturized and microfluidic…”
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