Filtros de búsqueda

Lista de obras de Eduardo Carasek

A combination of statistical and analytical evaluation methods as a new optimization strategy for the quantification of pharmaceutical residues in sewage effluent

artículo científico publicado en 2008

A fast and accurate method for the determination of total and soluble fluorine in toothpaste using high-resolution graphite furnace molecular absorption spectrometry and its comparison with established techniques

artículo científico publicado en 2010

A green - high throughput -extraction method based on hydrophobic natural deep eutectic solvent for the determination of emerging contaminants in water by high performance liquid chromatography - diode array detection

artículo científico publicado en 2020

A green and simple sample preparation method to determine pesticides in rice using a combination of SPME and rotating disk sorption devices

scientific article published on 03 April 2019

A low-cost flame atomic absorption spectrometry method for determination of trace metals in aqueous samples

artículo científico publicado en 2000

A natural and renewable biosorbent phase as a low-cost approach in disposable pipette extraction technique for the determination of emerging contaminants in lake water samples

artículo científico publicado en 2019

A new approach based on a combination of direct and headspace cold-fiber solid-phase microextraction modes in the same procedure for the determination of polycyclic aromatic hydrocarbons and phthalate esters in soil samples

artículo científico publicado en 2011

A new configuration for bar adsorptive microextraction (BAμE) for the quantification of biomarkers (hexanal and heptanal) in human urine by HPLC providing an alternative for early lung cancer diagnosis.

artículo científico publicado en 2017

A new method of microvolume back-extraction procedure for enrichment of Pb and Cd and determination by flame atomic absorption spectrometry.

artículo científico publicado en 2002

A new optimization strategy for gaseous phase sampling by an internally cooled solid-phase microextraction technique

scientific article published on 25 November 2010

A new procedure for solid-phase microextraction using a flow-through system with air segmentation

artículo científico publicado en 2002

A novel approach to bar adsorptive microextraction: Cork as extractor phase for determination of benzophenone, triclocarban and parabens in aqueous samples

artículo científico publicado en 2015

A simple hollow fiber renewal liquid membrane extraction method for analysis of sulfonamides in honey samples with determination by liquid chromatography-tandem mass spectrometry

artículo científico publicado en 2010

An effective and high-throughput analytical methodology for pesticide screening in human urine by disposable pipette extraction and gas chromatography - mass spectrometry

artículo científico publicado en 2018

Analysis of zinc in biological samples by flame atomic absorption spectrometry: use of addition calibration technique

artículo científico publicado en 2006

Application of NiTi alloy coated with ZrO2 as a new fiber for solid-phase microextraction for determination of halophenols in water samples

artículo científico publicado en 2007

Application of factorial design and Doehlert matrix for determination of trace lead in environmental samples by on-line column preconcentration FAAS using silica gel chemically modified with niobium(V) oxide

artículo científico publicado en 2008

Application of fractional factorial experimental and Box-Behnken designs for optimization of single-drop microextraction of 2,4,6-trichloroanisole and 2,4,6-tribromoanisole from wine samples

artículo científico publicado en 2007

Application of poly(dimethylsiloxane) fiber sol-gel coated onto NiTi alloy electrodeposited with zirconium oxide for the determination of organochlorine pesticides in herbal infusions

scientific article published on 01 August 2008

Application of robust NiTi-ZrO2-PEG SPME fiber in the determination of haloanisoles in cork stopper samples

artículo científico publicado en 2008

Application of silica gel organofunctionalized with 3(1-imidazolyl)propyl in an on-line preconcentration system for the determination of copper by FAAS.

artículo científico publicado en 2004

Application of solid-phase microextraction and gas chromatography-mass spectrometry for the determination of chlorophenols in leather

artículo científico publicado en 2012

Chromium speciation and preconcentration using zirconium(IV) and zirconium(IV) phosphate chemically immobilized onto silica gel surface using a flow system and F AAS.

artículo científico publicado en 2005

Combination of hollow-fiber-supported liquid membrane and dispersive liquid-liquid microextraction as a fast and sensitive technique for the extraction of pesticides from grape juice followed by high-performance liquid chromatography

scientific article published on 27 April 2015

Comparison of three different sample preparation procedures for the determination of traffic-related elements in airborne particulate matter collected on glass fiber filters

artículo científico publicado en 2011

Cork as a new (green) coating for solid-phase microextraction: determination of polycyclic aromatic hydrocarbons in water samples by gas chromatography-mass spectrometry.

artículo científico publicado en 2013

Cork sheet as a sorptive phase to extract hormones from water by rotating-disk sorptive extraction (RDSE)

artículo científico publicado en 2019

Detection of extraction artifacts in the analysis of honey volatiles using comprehensive two-dimensional gas chromatography.

artículo científico publicado en 2013

Determination of Trace Silver in Water Samples by Online Column Preconcentration Flame Atomic Absorption Spectrometry Using Termite Digestion Product

artículo científico publicado el 28 de junio de 2011

Determination of bisphenol A: Old problem, recent creative solutions based on novel materials

scientific article published on 02 October 2020

Determination of cadmium in alcohol fuel using Moringa oleifera seeds as a biosorbent in an on-line system coupled to FAAS.

artículo científico publicado en 2010

Determination of fluorine in tea using high-resolution molecular absorption spectrometry with electrothermal vaporization of the calcium mono-fluoride CaF

scientific article published on 30 August 2011

Determination of pesticides of different chemical classes in drinking water of the state of Santa Catarina (Brazil) using solid-phase microextraction coupled to chromatographic determinations

artículo científico publicado en 2020

Determination of phthalates and adipate in physiological saline solutions by solid-phase microextraction and gas chromatography.

artículo científico publicado en 2009

Determination of sulfur in coal using direct solid sampling and high-resolution continuum source molecular absorption spectrometry of the CS molecule in a graphite furnace

artículo científico publicado en 2013

Determination of sulfur in crude oil using high-resolution continuum source molecular absorption spectrometry of the SnS molecule in a graphite furnace

scientific article published on 31 July 2015

Development of a flow system for the determination of cadmium in fuel alcohol using vermicompost as biosorbent and flame atomic absorption spectrometry.

artículo científico publicado en 2008

Development of a high-throughput method based on thin-film microextraction using a 96-well plate system with a cork coating for the extraction of emerging contaminants in river water samples

artículo científico publicado en 2017

Development of an on-line preconcentration system for zinc determination in biological samples

artículo científico publicado en 2005

Effect of magnesium acetylacetonate on the signal of organic forms of vanadium in graphite furnace atomic absorption spectrometry

artículo científico publicado en 2012

Evaluation of a completely automated cold fiber device using compounds with varying volatility and polarity

artículo científico publicado en 2012

Evaluation of two membrane-based microextraction techniques for the determination of endocrine disruptors in aqueous samples by HPLC with diode array detection.

artículo científico publicado en 2017

Expanding the applicability of cork as extraction phase for disposable pipette extraction in multiresidue analysis of pharmaceuticals in urine samples

artículo científico publicado en 2018

Expanding the applicability of magnetic ionic liquids for multiclass determination in biological matrices based on dispersive liquid-liquid microextraction and HPLC with diode array detector analysis

artículo científico publicado en 2020

Exploiting green sorbents in rotating-disk sorptive extraction for the determination of parabens by high-performance liquid chromatography with tandem electrospray ionization triple quadrupole mass spectrometry

artículo científico publicado en 2018

Fast and sensitive method to determine chloroanisoles in cork using an internally cooled solid-phase microextraction fiber

scientific article published on 28 November 2006

Frog volatile compounds: application of in vivo SPME for the characterization of the odorous secretions from two species of Hypsiboas treefrogs.

artículo científico publicado en 2015

Headspace solid-phase microextraction-gas chromatographic-time-of-flight mass spectrometric methodology for geographical origin verification of coffee

artículo científico publicado en 2008

Histamine functionalized magnetic nanoparticles (HIS-MNP) as a sorbent for thin film microextraction of endocrine disrupting compounds in aqueous samples and determination by high performance liquid chromatography-fluorescence detection

artículo científico publicado en 2019

Hollow-fiber liquid-liquid-solid micro-extraction of lead in soft drinks and determination by graphite furnace atomic absorption spectrometry

scientific article published on 29 March 2011

Hollow-fiber renewal liquid membrane extraction coupled with 96-well plate system as innovative high-throughput configuration for the determination of endocrine disrupting compounds by high-performance liquid chromatography-fluorescence and diode arr

scientific article published on 17 July 2018

Investigation of chemical modifiers for the direct determination of arsenic in fish oil using high-resolution continuum source graphite furnace atomic absorption spectrometry

artículo científico publicado en 2015

Isolation and preconcentration of Cd(II) from environmental samples using polypropylene porous membrane in a hollow fiber renewal liquid membrane extraction procedure and determination by FAAS.

artículo científico publicado en 2009

Membrane-based microextraction techniques in analytical chemistry: A review

artículo científico

Method development and optimization for the determination of selenium in bean and soil samples using hydride generation electrothermal atomic absorption spectrometry

artículo científico publicado en 2011

Monitoring the formation of trihalomethanes in the effluents from a shrimp hatchery

scientific article published on 07 September 2006

Multiresidue determination of pesticides in industrial and fresh orange juice by hollow fiber microporous membrane liquid-liquid extraction and detection by liquid chromatography-electrospray-tandem mass spectrometry

scientific article published on 18 November 2011

New poly(ethylene glycol) solid-phase microextraction fiber employing zirconium oxide electrolytically deposited onto a NiTi alloy as substrate for sol-gel reactions

artículo científico publicado en 2008

Niobium(V) oxide coated on thin glass-ceramic rod as a solid phase microextraction fiber

artículo científico publicado en 2004

Novel analytical procedure using a combination of hollow fiber supported liquid membrane and dispersive liquid-liquid microextraction for the determination of aflatoxins in soybean juice by high performance liquid chromatography - Fluorescence detec

artículo científico publicado en 2015

Novel approach to high-throughput determination of endocrine disruptors using recycled diatomaceous earth as a green sorbent phase for thin-film solid-phase microextraction combined with 96-well plate system

artículo científico publicado en 2017

Preparation and application of NiTi alloy coated with ZrO(2) as a new fiber for solid-phase microextraction

artículo científico publicado en 2007

Preparation and characterization of new solid-phase microextraction fibers obtained by sol-gel technology and zirconium oxide electrodeposited on NiTi alloy

artículo científico publicado en 2008

Screening of tropical fruit volatile compounds using solid-phase microextraction (SPME) fibers and internally cooled SPME fiber

artículo científico publicado en 2006

Screening of volatile compounds in honey using a new sampling strategy combining multiple extraction temperatures in a single assay by HS-SPME-GC-MS.

artículo científico publicado en 2013

Simple hollow fiber renewal liquid membrane extraction method for pre-concentration of Cd(II) in environmental samples and detection by flame atomic absorption spectrometry

artículo científico publicado en 2009

Simultaneous determination of polycyclic aromatic hydrocarbons and benzene, toluene, ethylbenzene and xylene in water samples using a new sampling strategy combining different extraction modes and temperatures in a single extraction solid-phase micr

artículo científico publicado en 2012

Simultaneous determination of trihalomethanes and organochlorine pesticides in water samples by direct immersion-headspace-solid phase microextraction.

artículo científico publicado en 2013

Simultaneous liquid-liquid microextraction and polypropylene microporous membrane solid-phase extraction of organochlorine pesticides in water, tomato and strawberry samples

artículo científico publicado en 2009

Simultaneous on-line pre-concentration and determination of trace metals in environmental samples by flow injection combined with inductively coupled plasma mass spectrometry using silica gel modified with niobium(V) oxide

scientific article published on 28 June 2007

Single drop micro-extraction with O,O-diethyl dithiophosphate for the determination of lead by electrothermal atomic absorption spectrometry.

artículo científico publicado en 2007

Single drop microextraction in a 96-well plate format: A step toward automated and high-throughput analysis

scientific article published on 21 February 2019

Speciation of Cr(III) and Cr(VI) in environmental samples determined by selective separation and preconcentration on silica gel chemically modified with niobium(V) oxide

artículo científico publicado en 2008

Sulphoxine immobilized onto chitosan microspheres by spray drying: application for metal ions preconcentration by flow injection analysis

artículo científico publicado en 2004

Use of 8-hydroxyquinoline-chitosan chelating resin in an automated on-line preconcentration system for determination of zinc(II) by F AAS.

artículo científico publicado en 2008

Use of Al2O3 in an automated on-line pre-concentration system for determination of cadmium(II) by FAAS.

artículo científico publicado en 2007

Use of Nb(2)O(5)-SiO(2) in an automated on-line preconcentration system for determination of copper and cadmium by FAAS

artículo científico publicado en 2004

Use of different sample temperatures in a single extraction procedure for the screening of the aroma profile of plant matrices by headspace solid-phase microextraction

artículo científico publicado en 2011

Use of green coating (cork) in solid-phase microextraction for the determination of organochlorine pesticides in water by gas chromatography-electron capture detection.

artículo científico publicado en 2014

Use of two different coating temperatures for a cold fiber headspace solid-phase microextraction system to determine the volatile profile of Brazilian medicinal herbs.

artículo científico publicado en 2013

Volatile compounds of leaves and fruits of Mangifera indica var. coquinho (Anacardiaceae) obtained using solid phase microextraction and hydrodistillation

scientific article published on 08 January 2011