List of works - Francisco Pena-Pereira

A paper-based colorimetric assay with non-instrumental detection for determination of boron in water samples

scientific article published on 16 September 2019

A paper-based gas sensor for simultaneous noninstrumental colorimetric detection of nitrite and sulfide in waters

scientific article published on 20 February 2020

Determination of iodate in waters by cuvetteless UV-vis micro-spectrophotometry after liquid-phase microextraction

scientific article published on 11 January 2010

Directly suspended droplet microextraction in combination with microvolume UV–vis spectrophotometry for determination of phosphate ⬇️

scientific article published on May 27, 2011

Expectation-Maximization Model for Substitution of Missing Values Characterizing Greenness of Organic Solvents.

scientific article published on 28 May 2018

Gold nanorods for in-drop colorimetric determination of thiomersal after photochemical decomposition

scientific article published on 13 March 2018

Headspace single-drop microextraction coupled to microvolume UV-vis spectrophotometry for iodine determination

scientific article published on 30 October 2008

Headspace single-drop microextraction coupled with microvolume fluorospectrometry for highly sensitive determination of bromide

scientific article published on 30 March 2017

How green are ionic liquids? - A multicriteria decision analysis approach

scientific article published on 07 March 2019

Ion pair-based dispersive liquid-liquid microextraction for gold determination at ppb level in solid samples after ultrasound-assisted extraction and in waters by electrothermal-atomic absorption spectrometry

scientific article published on 25 December 2010

Ion pair-based liquid-phase microextraction combined with cuvetteless UV–vis micro-spectrophotometry as a miniaturized assay for monitoring ammonia in waters ⬇️

scientific article published on June 17, 2011

Ionic liquids and deep eutectic mixtures: sustainable solvents for extraction processes.

scientific article published on 08 May 2014

Ionogel fibres of bis(trifluoromethanesulfonyl)imide anion-based ionic liquids for the headspace solid-phase microextraction of chlorinated organic pollutants

scientific article published on 01 November 2015

Liquid-phase microextraction approaches combined with atomic detection: a critical review.

scientific article published on 13 May 2010

Liquid-phase microextraction combined with graphite furnace atomic absorption spectrometry: A review.

scientific article

Liquid-phase microextraction with in-drop derivatization combined with microvolume fluorospectrometry for free and hydrolyzed formaldehyde determination in textile samples

scientific article published on 11 December 2010

Microvolume turbidimetry for rapid and sensitive determination of the acid labile sulfide fraction in waters after headspace single-drop microextraction with in situ generation of volatile hydrogen sulfide

scientific article published on 06 June 2009

Paper-based analytical device for instrumental-free detection of thiocyanate in saliva as a biomarker of tobacco smoke exposure.

scientific article published on 20 October 2015

Pre-selection and assessment of green organic solvents by clustering chemometric tools.

scientific article published on 26 August 2017

Quantum dot-based headspace single-drop microextraction technique for optical sensing of volatile species

scientific article published on 23 February 2011

Quantum dots confined in an organic drop as luminescent probes for detection of selenium by microfluorospectrometry after hydridation: study of the quenching mechanism and analytical performance

scientific article published on 30 April 2012

Rapid screening of polycyclic aromatic hydrocarbons (PAHs) in waters by directly suspended droplet microextraction-microvolume fluorospectrometry ⬇️

scientific article published on 09 December 2011

Silica-based ionogels: nanoconfined ionic liquid-rich fibers for headspace solid-phase microextraction coupled with gas chromatography-barrier discharge ionization detection

scientific article published on 13 November 2014

Speciation of gold nanoparticles and total gold in natural waters: A novel approach based on naked magnetite nanoparticles in combination with ascorbic acid

scientific article published on 25 September 2018

Speciation of mercury by ionic liquid-based single-drop microextraction combined with high-performance liquid chromatography-photodiode array detection.