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List of works by Juan H. Ayala

A green metal–organic framework to monitor water contaminants

scholarly article in RSC Advances, vol. 8 no. 55, 2018

A guanidinium ionic liquid-based surfactant as an adequate solvent to separate and preconcentrate cadmium and copper in water using in situ dispersive liquid–liquid microextraction

A magnetic-based dispersive micro-solid-phase extraction method using the metal-organic framework HKUST-1 and ultra-high-performance liquid chromatography with fluorescence detection for determining polycyclic aromatic hydrocarbons in waters and fru

scientific article published on 29 January 2016

A novel preconcentration strategy for extraction methods based on common cationic surfactants: An alternative to classical coacervative extraction

scientific article published on 15 August 2012

A simplified vortex-assisted emulsification microextraction method for determining personal care products in environmental water samples by ultra-high-performance liquid chromatography

An in-situ extraction–preconcentration method using ionic liquid-based surfactants for the determination of organic contaminants contained in marine sediments

scientific article published on 03 August 2012

Analytical methods applied to the determination of heterocyclic aromatic amines in foods.

scientific article published on 04 December 2007

Application of a Pillared-Layer Zn-Triazolate Metal-Organic Framework in the Dispersive Miniaturized Solid-Phase Extraction of Personal Care Products from Wastewater Samples

scientific article published on 15 February 2019

Biosynthesis of antitumoral and bactericidal sanguinarine.

scientific article published on January 2006

CHAPTER 3. Ionic Liquid-based Surfactants: A Step Forward

scholarly article published 2017

Cloud-point preconcentration and HPLC determination of polycyclic aromatic hydrocarbons in marine sediments

scientific article published on 01 October 2001

Coupling micelle-mediated extraction using mixtures of surfactants and fluorescence measurements with a fiber-optic for the screening of PAHs in seawater

scientific article

DETERMINATION OF N-NITROSODIMETHYLAMINE BY HPLC, WITH FLUORESCENCE DETECTION. A SURVEY OF N-NITROSODIMETHYLAMINE IN COMMERCIAL BEERS

Degradation of carbaryl in natural waters: enhanced hydrolysis rate in micellar solution.

scientific article published in February 1992

Determination of carbonyl compounds in smoke samples: strategies for sampling and standardization

scientific article published on 27 February 2009

Determination of less polar heterocyclic amines in meat extracts

scientific article published on 19 September 2006

Determination of polycyclic aromatic hydrocarbons in marine sediments by high-performance liquid chromatography after microwave-assisted extraction with micellar media

scientific article published on 01 February 2000

Determination of polycyclic aromatic hydrocarbons in seawater by high-performance liquid chromatography with fluorescence detection following micelle-mediated preconcentration

scientific article published on 01 March 2002

Determination of the alkyl- and methoxy-phenolic content in wood extractives by micellar solid-phase microextraction and gas chromatography-mass spectrometry

scientific article

Double salts of ionic-liquid-based surfactants in microextraction: application of their mixed hemimicelles as novel sorbents in magnetic-assisted micro-dispersive solid-phase extraction for the determination of phenols

scientific article published on 24 September 2015

Effect of non-ionic surfactants as mobile phase additives on the fluorescence intensity of dansyl derivatives of biogenic amines in high-performance thin-layer chromatography

Effects of cationic micelles on fluorescence of indole and indolecarboxylic acids. Analytical determinations

Effects of cetylpyridinium bromide micelles on the spectrofluorimetric characteristics of polycyclic aromatic hydrocarbons.

scientific article

Emissions of polycyclic aromatic hydrocarbons from combustion of agricultural and sylvicultural debris

Estimation of Uncertainty in the Analysis of Carbonyl Compounds by HPLC‐UV Using DNPH Derivatization

Evaluation of the Uncertainty Associated to the Determination of Heavy Metals in Seawater Using Graphite Furnace Atomic Absorption Spectrometry

Experimental Design Optimization of Solid‐Phase Microextraction Conditions for the Determination of Heterocyclic Aromatic Amines by High‐Performance Liquid Chromatography

Fast microwave-assisted dansylation of N-nitrosamines. Analysis by high-performance liquid chromatography with fluorescence detection

scientific article published in February 2002

Focused Microwave‐Assisted Extraction and HPLC with Electrochemical Detection to Determine Heterocyclic Amines in Meat Extracts

Focused microwave-assisted micellar extraction combined with solid-phase microextraction—gas chromatography/mass spectrometry to determine chlorophenols in wood samples

scientific article published on 03 September 2006

Headspace-single drop microextraction (HS-SDME) in combination with high-performance liquid chromatography (HPLC) to evaluate the content of alkyl- and methoxy-phenolic compounds in biomass smoke

scientific article published on 16 June 2011

In-situ ionic liquid-dispersive liquid-liquid microextraction method to determine endocrine disrupting phenols in seawaters and industrial effluents

Influence of Ligand Functionalization of UiO-66-Based Metal-Organic Frameworks When Used as Sorbents in Dispersive Solid-Phase Analytical Microextraction for Different Aqueous Organic Pollutants

article

Influence of vegetable coagulant and ripening time on the lipolytic and sensory profile of cheeses made with raw goat milk from Canary breeds

scientific article published on 19 December 2016

Ionic liquids as desorption solvents and memory effect suppressors in heterocyclic aromatic amines determination by SPME-HPLC fluorescence

scientific article

Ionic liquids as mobile phase additives in high-performance liquid chromatography with electrochemical detection: application to the determination of heterocyclic aromatic amines in meat-based infant foods.

scientific article

Magnetic ionic liquids as non-conventional extraction solvents for the determination of polycyclic aromatic hydrocarbons.

scientific article published on 15 June 2016

Micellar microwave-assisted extraction combined with solid-phase microextraction for the determination of polycyclic aromatic hydrocarbons in a certified marine sediment

article published in 2003

Micellar solid-phase microextraction for determining partition coefficients of substituted polycyclic aromatic hydrocarbons in micellar media: possible prediction of hydrocarbon-micelle behaviour.

scientific article published on 4 January 2007

Micelle-mediated extractions using nonionic surfactant mixtures and HPLC-UV to determine endocrine-disrupting phenols in seawaters

scientific article

Mixed Functionalization of Organic Ligands in UiO-66: A Tool to Design Metal-Organic Frameworks for Tailored Microextraction

scientific article published on 10 October 2019

Monitoring chlorophenols in industrial effluents by solid-phase microextraction–gas chromatography–mass spectrometry

Monitoring trihalomethanes and nitrogenous disinfection by-products in blending desalinated waters using solid-phase microextraction and gas chromatography

scientific article published on 28 November 2016

Monitoring trihalomethanes in chlorinated waters using a dispersive liquid-liquid microextraction method with a non-chlorinated organic solvent and gas chromatography-mass spectrometry.

scientific article published on 7 July 2016

Multiple headspace solid-phase microextraction for quantifying volatile free fatty acids in cheeses

scientific article published on 27 May 2014

NON-LINEAR CALIBRATION IN QUANTITATIVE ANALYSIS BY HPTLC UTILIZING A FIBRE OPTIC FLUORESCENCE DETECTOR

Nonionic surfactant mixtures: a new cloud-point extraction approach for the determination of PAHs in seawater using HPLC with fluorimetric detection

Optimization of a sampling method to determine polycyclic aromatic hydrocarbons in smoke from incomplete biomass combustion

scientific article published in October 2004

Optimization of an analytical methodology for the determination of alkyl- and methoxy-phenolic compounds by HS-SPME in biomass smoke

scientific article published on 19 May 2006

Polycyclic aromatic hydrocarbons in smoke used to smoke cheese produced by the combustion of rock rose (Cistus monspeliensis) and tree heather (Erica arborea) wood

scientific article published in January 2005

Rapid microwave-assisted dansylation of biogenic amines

Solid-phase microextraction coupled to gas chromatography/mass spectrometry for determining polycyclic aromatic hydrocarbon-micelle partition coefficients

scientific article

Solid-phase microextraction coupled with high-performance liquid chromatography for the analysis of heterocyclic aromatic amines.

scientific article published in March 2004

Spectrofluorimetric determination of carbaryl and 1-naphthol in micellar media

Study of the interactions between phenolic compounds and micellar media using micellar solid-phase microextraction/gas chromatography

scientific article published on 16 September 2005

Suitability of ionic liquids as mobile-phase additives in HPLC with fluorescence and UV detection for the determination of heterocyclic aromatic amines

scientific article published in February 2010

The ionic liquid 1-hexadecyl-3-methylimidazolium bromide as novel extracting system for polycyclic aromatic hydrocarbons contained in sediments using focused microwave-assisted extraction

scientific article

The metal–organic framework HKUST-1 as efficient sorbent in a vortex-assisted dispersive micro solid-phase extraction of parabens from environmental waters, cosmetic creams, and human urine

scientific article published on 25 February 2015

Ultrasonic micellar extraction of polycyclic aromatic hydrocarbons from marine sediments

scientific article published in March 2001

Utilization of an ionic liquidin situpreconcentration method for the determination of the 15 + 1 European Union polycyclic aromatic hydrocarbons in drinking water and fruit-tea infusions

article

Vacuum-assisted headspace-solid phase microextraction for determining volatile free fatty acids and phenols. Investigations on the effect of pressure on competitive adsorption phenomena in a multicomponent system

scientific article published on 31 January 2017

Vortex-assisted emulsification microextraction followed by in-syringe ultrasound-assisted back-microextraction to determine haloacetic acids in waters

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