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Themed collection Analytical Sciences in Brazil

55 items
Paper

High resolution magic angle spinning NMR as a tool for unveiling the molecular enantiorecognition of omeprazole by amylose-based chiral phase

This work reports key information about the enantiorecognition of omeprazole at the binding sites of the polysaccharide-based chiral stationary phase.

Graphical abstract: High resolution magic angle spinning NMR as a tool for unveiling the molecular enantiorecognition of omeprazole by amylose-based chiral phase
From the themed collection: Analytical Sciences in Brazil
Paper

Fast fingerprinting of cannabinoid markers by laser desorption ionization using silica plate extraction

A fast analytical strategy for Cannabis sativa L. characterization using STELDI-MS.

Graphical abstract: Fast fingerprinting of cannabinoid markers by laser desorption ionization using silica plate extraction
From the themed collection: Analytical Sciences in Brazil
Editorial

Editorial – Analytical Sciences in Brazil

This Editorial introduces Analyst's themed collection on Analytical Sciences in Brazil, guest edited by Ivo Raimundo Jr and Boris Mizaikoff.

Graphical abstract: Editorial – Analytical Sciences in Brazil
From the themed collection: Analytical Sciences in Brazil
Paper

Multivariate calibration applied to ESI mass spectrometry data: a tool to quantify adulteration in extra virgin olive oil with inexpensive edible oils

A fast method of multivariate calibration applied to ESI-MS data for quantification of adulteration of EVOO with cheaper edible oils.

Graphical abstract: Multivariate calibration applied to ESI mass spectrometry data: a tool to quantify adulteration in extra virgin olive oil with inexpensive edible oils
From the themed collection: Analytical Sciences in Brazil
Critical Review

Flow analysis in Brazil: contributions over the last four decades

Timeline with the main contributions of Brazilian researchers to flow analysis.

Graphical abstract: Flow analysis in Brazil: contributions over the last four decades
From the themed collection: Analytical Sciences in Brazil
Paper

Determination of pesticides and related compounds in water by dispersive liquid–liquid microextraction and gas chromatography-triple quadrupole mass spectrometry

A quick and effective method based on DLLME and GC-QqQ-MS/MS was developed for the determination of pesticide residues and related compounds in water.

Graphical abstract: Determination of pesticides and related compounds in water by dispersive liquid–liquid microextraction and gas chromatography-triple quadrupole mass spectrometry
From the themed collection: Analytical Sciences in Brazil
Paper

Assessing melatonin and its oxidative metabolites amounts in biological fluid and culture medium by liquid chromatography electrospray ionization tandem mass spectrometry (LC–ESI-MS/MS)

Simultaneous detection and quantification of melatonin and its metabolites by LC–MS/MS.

Graphical abstract: Assessing melatonin and its oxidative metabolites amounts in biological fluid and culture medium by liquid chromatography electrospray ionization tandem mass spectrometry (LC–ESI-MS/MS)
From the themed collection: Analytical Sciences in Brazil
Paper

Molecular modeling study of the recognition mechanism and enantioseparation of 4-hydroxypropranolol by capillary electrophoresis using carboxymethyl-β-cyclodextrin as the chiral selector

Elution order elucidation of 4-hydroxypropranolol by capillary electrophoresis and theoretical methods.

Graphical abstract: Molecular modeling study of the recognition mechanism and enantioseparation of 4-hydroxypropranolol by capillary electrophoresis using carboxymethyl-β-cyclodextrin as the chiral selector
From the themed collection: Analytical Sciences in Brazil
Paper

Optimization study of BTEX extraction from soils spiked with two kinds of Brazilian diesel by HS SPME using Box–Behnken experimental design and multi-response analysis

A method of environmental diagnostics of soils contaminated with diesel: a fast analysis (4 min) with reliable results in BTEX determination.

Graphical abstract: Optimization study of BTEX extraction from soils spiked with two kinds of Brazilian diesel by HS SPME using Box–Behnken experimental design and multi-response analysis
From the themed collection: Analytical Sciences in Brazil
Paper

Biodiesel water in oil microemulsions: ferrocene as a hydrophobic probe for direct analysis by differential pulse voltammetry at a Pt ultramicroelectrode

Novel methodology for direct analysis in biodiesel W/O microemulsions through DPV using Fc as a probe.

Graphical abstract: Biodiesel water in oil microemulsions: ferrocene as a hydrophobic probe for direct analysis by differential pulse voltammetry at a Pt ultramicroelectrode
From the themed collection: Analytical Sciences in Brazil
Paper

Photochemical derivatization of amitriptyline using a green chemistry approach: fluorimetric determination and photochemical reaction mechanism

Photochemical derivatization of amitriptyline in aqueous solution enabled its fluorimetric determination at low concentration levels using a green chemistry approach.

Graphical abstract: Photochemical derivatization of amitriptyline using a green chemistry approach: fluorimetric determination and photochemical reaction mechanism
From the themed collection: Analytical Sciences in Brazil
Paper

The use of EEM fluorescence data and OPLS/UPLS-DA algorithm to discriminate between normal and cancer cell lines: a feasibility study

EEM fluorescence spectroscopy combined with the OPLS method has been investigated as a tool to discriminate between normal and cancer cell lines.

Graphical abstract: The use of EEM fluorescence data and OPLS/UPLS-DA algorithm to discriminate between normal and cancer cell lines: a feasibility study
From the themed collection: Analytical Sciences in Brazil
Paper

A sequential-injection reversed-phase chromatography method for fluorimetric determination of glyphosate and aminomethylphosphonic acid

Glyphosate and aminomethylphosphonic acid fluorescent derivatives can be separated by reversed phase chromatography with pre-column derivatization automated by sequential injection analysis.

Graphical abstract: A sequential-injection reversed-phase chromatography method for fluorimetric determination of glyphosate and aminomethylphosphonic acid
From the themed collection: Analytical Sciences in Brazil
Critical Review

Analytical techniques for the chemical analysis of plant biomass and biomass products

This critical review presents the state of the art for the chemical analysis of biomass and products from conversion processes.

Graphical abstract: Analytical techniques for the chemical analysis of plant biomass and biomass products
From the themed collection: Analytical Sciences in Brazil
Paper

Dispersive liquid–liquid microextraction using ammonium O,O-diethyl dithiophosphate (DDTP) as chelating agent and graphite furnace atomic absorption spectrometry for the determination of silver in biological samples

A new method for the determination of silver in biological samples is presented in this work.

Graphical abstract: Dispersive liquid–liquid microextraction using ammonium O,O-diethyl dithiophosphate (DDTP) as chelating agent and graphite furnace atomic absorption spectrometry for the determination of silver in biological samples
From the themed collection: Analytical Sciences in Brazil
Paper

Speciation analysis of inorganic arsenic in river water by Amberlite IRA 910 resin immobilized in a polyacrylamide gel as a selective binding agent for As(V) in diffusive gradient thin film technique

Selective sampling of As(V) by DGT (diffusive gradients in thin films) device containing the Amberlite IRA 910 resin immobilized in polyacrylamide gel.

Graphical abstract: Speciation analysis of inorganic arsenic in river water by Amberlite IRA 910 resin immobilized in a polyacrylamide gel as a selective binding agent for As(v) in diffusive gradient thin film technique
From the themed collection: Analytical Sciences in Brazil
Paper

Trace analysis of pesticides and an assessment of their occurrence in surface and drinking waters from the State of São Paulo (Brazil)

Development of a method based on SPE and LC-MS/MS for simultaneous determination of trace levels of pesticides in surface and drinking waters from São Paulo (Brazil), a state with high agricultural activity.

Graphical abstract: Trace analysis of pesticides and an assessment of their occurrence in surface and drinking waters from the State of São Paulo (Brazil)
From the themed collection: Analytical Sciences in Brazil
Paper

Enzymatic biosensors based on ingá-cipó peroxidase immobilised on sepiolite for TBHQ quantification

A biosensor for tert-butylhydroquinone in salad dressing samples was developed by modifying a carbon paste with carbon nanotubes and nafion together with ingá-cipó peroxidase immobilised on sepiolite.

Graphical abstract: Enzymatic biosensors based on ingá-cipó peroxidase immobilised on sepiolite for TBHQ quantification
From the themed collection: Analytical Sciences in Brazil
Paper

Stability-indicating HPLC-DAD method for the simultaneous determination of fluoroquinolones and corticosteroids in ophthalmic formulations

We develop and validate a stability-indicating assay method for simultaneous determination of gatifloxacin and prednisolone acetate, or of ciprofloxacin hydrochloride and dexamethasone in combination and in the presence of degradation products.

Graphical abstract: Stability-indicating HPLC-DAD method for the simultaneous determination of fluoroquinolones and corticosteroids in ophthalmic formulations
From the themed collection: Analytical Sciences in Brazil
Paper

Methods of multivariate analysis of NIR reflectance spectra for classification of yerba mate

A methodology based on multivariate analysis of the NIR reflectance spectra was developed for yerba mate classification. All brands of yerba mate analyzed were correctly classified according to the country of origin.

Graphical abstract: Methods of multivariate analysis of NIR reflectance spectra for classification of yerba mate
From the themed collection: Analytical Sciences in Brazil
Paper

iHWG-μNIR: a miniaturised near-infrared gas sensor based on substrate-integrated hollow waveguides coupled to a micro-NIR-spectrophotometer

A compact gas analyser based on a substrate-integrated hollow waveguide (iHWG) combined with a MicroNIR spectrophotometer is demonstrated for the first time.

Graphical abstract: iHWG-μNIR: a miniaturised near-infrared gas sensor based on substrate-integrated hollow waveguides coupled to a micro-NIR-spectrophotometer
From the themed collection: Analytical Sciences in Brazil
Paper

Box–Behnken design applied to ultrasound-assisted extraction for the determination of polycyclic aromatic hydrocarbons in river sediments by gas chromatography/mass spectrometry

This paper describes the optimization of the extraction of PAHs in sediment samples from a river by applying an ultrasonic bath for quantification by GC/MS.

Graphical abstract: Box–Behnken design applied to ultrasound-assisted extraction for the determination of polycyclic aromatic hydrocarbons in river sediments by gas chromatography/mass spectrometry
From the themed collection: Analytical Sciences in Brazil
Paper

Development of molecularly imprinted poly(methacrylic acid)/silica for clean-up and selective extraction of cholesterol in milk prior to analysis by HPLC-UV

In the present paper the assessment of a novel molecularly imprinted polymer, poly(methacrylic acid)/silica, for clean-up and selective extraction of cholesterol in milk samples is described.

Graphical abstract: Development of molecularly imprinted poly(methacrylic acid)/silica for clean-up and selective extraction of cholesterol in milk prior to analysis by HPLC-UV
From the themed collection: Analytical Sciences in Brazil
Paper

A novel architecture based upon multi-walled carbon nanotubes and ionic liquid to improve the electroanalytical detection of ciprofibrate

A new voltammetric method for ciprofibrate detection is proposed, in which an ionic liquid improved the electrochemical performance of MWCNTs-GCE. Pharmaceutical samples were analysed with excellent accuracy.

Graphical abstract: A novel architecture based upon multi-walled carbon nanotubes and ionic liquid to improve the electroanalytical detection of ciprofibrate
From the themed collection: Analytical Sciences in Brazil
Paper

Do voltammetry electrodes modified with MIPs really work? The role of large molecules: folic acid as a probe

There are many uncertainties concerning the use of molecularly imprinted polymers (MIPs) as electrode modifiers.

Graphical abstract: Do voltammetry electrodes modified with MIPs really work? The role of large molecules: folic acid as a probe
From the themed collection: Analytical Sciences in Brazil
Paper

Simultaneous voltammetric determination of dopamine and epinephrine in human body fluid samples using a glassy carbon electrode modified with nickel oxide nanoparticles and carbon nanotubes within a dihexadecylphosphate film

A selective electrochemical method was developed for the simultaneous determination of dopamine and epinephrine in human body fluids.

Graphical abstract: Simultaneous voltammetric determination of dopamine and epinephrine in human body fluid samples using a glassy carbon electrode modified with nickel oxide nanoparticles and carbon nanotubes within a dihexadecylphosphate film
From the themed collection: Analytical Sciences in Brazil
Paper

On the applicability of SiO2/Al2O3/Nb2O5 and SiO2/Al2O3/TiO2 as a biocompatible platform for chloroperoxidase

Two mixed oxides, SiO2/Al2O3/Nb2O5 and SiO2/Al2O3/TiO2 obtained by sol–gel method were used to immobilize chloroperoxidase.

Graphical abstract: On the applicability of SiO2/Al2O3/Nb2O5 and SiO2/Al2O3/TiO2 as a biocompatible platform for chloroperoxidase
From the themed collection: Analytical Sciences in Brazil
Paper

Kinetic study of glucose oxidase on microfluidic toner-based analytical devices for clinical diagnostics with image-based detection

This report describes a kinetic study for the glucose oxidase reaction on microfluidic toner-based analytical devices based on digital image analysis.

Graphical abstract: Kinetic study of glucose oxidase on microfluidic toner-based analytical devices for clinical diagnostics with image-based detection
From the themed collection: Analytical Sciences in Brazil
Paper

Liquid biopsy of atherosclerosis using protoporphyrin IX as a biomarker

Protoporphyrin IX (PPIX), a derivative of hematoporphyrin, can accumulate in rapidly growing tissues, including tumors and atherosclerotic plaques.

Graphical abstract: Liquid biopsy of atherosclerosis using protoporphyrin IX as a biomarker
From the themed collection: Analytical Sciences in Brazil
Paper

High throughput MS techniques for caviar lipidomics

Comparison of MALDI, ESI, and TI-EASI-MS for caviar characterization using different extraction approaches.

Graphical abstract: High throughput MS techniques for caviar lipidomics
From the themed collection: Analytical Sciences in Brazil
Paper

Determination of selenium in soil samples using high-resolution continuum source graphite furnace atomic absorption spectrometry and direct solid sample analysis

Least squares background correction (LSBC) for spectral interference of the NO and PO molecules in the determination of Se.

Graphical abstract: Determination of selenium in soil samples using high-resolution continuum source graphite furnace atomic absorption spectrometry and direct solid sample analysis
From the themed collection: Analytical Sciences in Brazil
Paper

Near infrared hyperspectral imaging for forensic analysis of document forgery

A new, fast and nondestructive method to identify the different types of document forgery using NIR hyperspectral images combined with chemometric tools, which makes these analyses less subjective.

Graphical abstract: Near infrared hyperspectral imaging for forensic analysis of document forgery
From the themed collection: Analytical Sciences in Brazil
Paper

Simultaneous analysis of gemifloxacin mesylate and its main synthetic impurity by an optimized capillary zone electrophoretic method

Determination of GFM and its synthetic impurity by capillary electrophoresis.

Graphical abstract: Simultaneous analysis of gemifloxacin mesylate and its main synthetic impurity by an optimized capillary zone electrophoretic method
From the themed collection: Analytical Sciences in Brazil
Paper

Development of an automatic photometric titration procedure to determine olive oil acidity employing a miniaturized multicommuted flow-batch setup

The diagram of the flow system designed to implement an automatic photometric titration procedure to determine the acidity of olive oil in a non-aqueous medium without using analytical curves.

Graphical abstract: Development of an automatic photometric titration procedure to determine olive oil acidity employing a miniaturized multicommuted flow-batch setup
From the themed collection: Analytical Sciences in Brazil
Paper

Simultaneous determination of potassium, sodium, calcium, and magnesium in virgin olive oils by capillary electrophoresis with capacitively coupled contactless conductivity detection

A novel, simple, rapid, and cheap method using capillary electrophoresis with capacitively coupled contactless conductivity detection (CE-C4D) for determination of Na+, K+, Ca2+, and Mg2+ in virgin olive oils.

Graphical abstract: Simultaneous determination of potassium, sodium, calcium, and magnesium in virgin olive oils by capillary electrophoresis with capacitively coupled contactless conductivity detection
From the themed collection: Analytical Sciences in Brazil
Paper

Molecularly imprinted fibers with renewable surface for solid-phase microextraction of triazoles from grape juice samples followed by gas chromatography mass spectrometry analysis

Synthesis and characterization of a new MISPME fiber able to renew its selective binding sites because of the gradual thermal decomposition of the polymeric network.

Graphical abstract: Molecularly imprinted fibers with renewable surface for solid-phase microextraction of triazoles from grape juice samples followed by gas chromatography mass spectrometry analysis
From the themed collection: Analytical Sciences in Brazil
Paper

Synthesis and characterization of molecularly imprinted silica mediated by Al for solid phase extraction of quercetin in Ginkgo biloba L.

A bi-functionalized molecularly imprinted silica (MIS) was prepared for solid phase extraction of quercetin.

Graphical abstract: Synthesis and characterization of molecularly imprinted silica mediated by Al for solid phase extraction of quercetin in Ginkgo biloba L.
From the themed collection: Analytical Sciences in Brazil
Paper

A multi-pumping flow system for acute toxicity bioassay using the Vibrio fischeri bacteria

Fast determination of acute toxicity using the V. fischeri bacteria, including in-line sample dilutions and conditioning.

Graphical abstract: A multi-pumping flow system for acute toxicity bioassay using the Vibrio fischeri bacteria
From the themed collection: Analytical Sciences in Brazil
Paper

Monitoring of hydrogen sulfide via substrate-integrated hollow waveguide mid-infrared sensors in real-time

Hydrogen sulfide is a highly corrosive, harmful, and toxic gas produced under anaerobic conditions within industrial processes or in natural environments, and plays an important role in the sulfur cycle.

Graphical abstract: Monitoring of hydrogen sulfide via substrate-integrated hollow waveguide mid-infrared sensors in real-time
From the themed collection: Analytical Sciences in Brazil
Paper

Determination of propranolol and hydrochlorothiazide by batch injection analysis with amperometric detection and capillary electrophoresis with capacitively coupled contactless conductivity detection

Two new and fast electrochemical methods for separation and determination of propranolol and hydrochlorothiazide.

Graphical abstract: Determination of propranolol and hydrochlorothiazide by batch injection analysis with amperometric detection and capillary electrophoresis with capacitively coupled contactless conductivity detection
From the themed collection: Analytical Sciences in Brazil
Paper

Differential pulse adsorptive stripping voltammetric determination of nanomolar levels of atorvastatin calcium in pharmaceutical and biological samples using a vertically aligned carbon nanotube/graphene oxide electrode

Determination of atorvastatin calcium by DPAdSV using a vertically aligned carbon nanotube/graphene oxide electrode.

Graphical abstract: Differential pulse adsorptive stripping voltammetric determination of nanomolar levels of atorvastatin calcium in pharmaceutical and biological samples using a vertically aligned carbon nanotube/graphene oxide electrode
From the themed collection: Analytical Sciences in Brazil
Paper

Explosive colorimetric discrimination using a smartphone, paper device and chemometrical approach

In this report we introduce a novel approach for an inexpensive and disposable colorimetric paper sensor array for the detection and discrimination of five explosives – triacetone triperoxide, hexamethylene triperoxide diamine, 4-amino-2-nitrophenol, nitrobenzene, and picric acid.

Graphical abstract: Explosive colorimetric discrimination using a smartphone, paper device and chemometrical approach
From the themed collection: Analytical Chemistry in South America
Paper

Microfluidic chip electrophoresis investigation of major milk proteins: study of buffer effects and quantitative approaching

Results of microfluidic chip technology using SEP buffer were comparable to those of SDS-PAGE and previously reported data.

Graphical abstract: Microfluidic chip electrophoresis investigation of major milk proteins: study of buffer effects and quantitative approaching
From the themed collection: Analytical Sciences in Brazil
Critical Review

Sampling and analysis of metabolomes in biological fluids

Metabolome analysis involves the study of small molecules that are involved in the metabolic responses that occur through patho-physiological changes caused by genetic stimuli or chemical agents.

Graphical abstract: Sampling and analysis of metabolomes in biological fluids
From the themed collection: Analytical Sciences in Brazil
Technical Note

Spectrophotometric flow-injection determination of sulfate in rainwater

An advanced flow system exploiting in-line solid phase extraction is proposed for spectrophotometric determination of sulfate in rainwater.

Graphical abstract: Spectrophotometric flow-injection determination of sulfate in rainwater
From the themed collection: Analytical Sciences in Brazil
Critical Review

Advantages, drawbacks and applications of mixed Ar–N2 sources in inductively coupled plasma-based techniques: an overview

This review deals with mixed gas Ar–N2 plasmas, highlighting advantages, limitations and applications of them in inductively coupled plasma optical emission spectrometry (ICP OES), inductively coupled plasma mass spectrometry (ICP-MS) and laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) techniques, covering publications in the last three decades.

Graphical abstract: Advantages, drawbacks and applications of mixed Ar–N2 sources in inductively coupled plasma-based techniques: an overview
From the themed collection: Analytical Sciences in Brazil
Paper

Petroleomics by electrospray ionization FT-ICR mass spectrometry coupled to partial least squares with variable selection methods: prediction of the total acid number of crude oils

FT-ICR MS coupled to PLS regression in petroleomics.

Graphical abstract: Petroleomics by electrospray ionization FT-ICR mass spectrometry coupled to partial least squares with variable selection methods: prediction of the total acid number of crude oils
From the themed collection: Analytical Sciences in Brazil
Paper

Amperometric determination of hydrogen peroxide using a copper microelectrode

The cathodic reduction of hydrogen peroxide at copper microelectrodes was investigated in phosphate buffer solutions.

Graphical abstract: Amperometric determination of hydrogen peroxide using a copper microelectrode
From the themed collection: Analytical Sciences in Brazil
Paper

Fast analysis of β-ecdysone in Brazilian ginseng (Pfaffia glomerata) extracts by high-performance liquid chromatography using a fused-core column

The recent development of fused-core technology in HPLC columns is enabling faster and highly efficient separations.

Graphical abstract: Fast analysis of β-ecdysone in Brazilian ginseng (Pfaffia glomerata) extracts by high-performance liquid chromatography using a fused-core column
From the themed collection: Analytical Sciences in Brazil
Paper

Comparing near-infrared conventional diffuse reflectance spectroscopy and hyperspectral imaging for determination of the bulk properties of solid samples by multivariate regression: determination of Mooney viscosity and plasticity indices of natural rubber

Bulk properties of natural rubber are determined by hyperspectral imaging and conventional spectroscopy in the near-infrared region.

Graphical abstract: Comparing near-infrared conventional diffuse reflectance spectroscopy and hyperspectral imaging for determination of the bulk properties of solid samples by multivariate regression: determination of Mooney viscosity and plasticity indices of natural rubber
From the themed collection: Analytical Sciences in Brazil
Paper

Use of Doehlert design in the optimization of extraction conditions in the determination of organochlorine pesticides in bovine milk samples by HS-SPME

The extraction of pesticides lindane, heptachlor, aldrin, dieldrin and endrin from milk by HS-SPME was investigated followed by separation/detection of these compounds by GC-ECD.

Graphical abstract: Use of Doehlert design in the optimization of extraction conditions in the determination of organochlorine pesticides in bovine milk samples by HS-SPME
From the themed collection: Analytical Sciences in Brazil
Paper

A very simple and fast analytical method for atmospheric particulate-bound mercury determination

Glass fiber filters analyzed by a combustion-AAS technique: no sample preparation; no contamination risks; method validated by the U.S. EPA standard method.

Graphical abstract: A very simple and fast analytical method for atmospheric particulate-bound mercury determination
From the themed collection: Analytical Sciences in Brazil
Paper

Fabrication of disposable electrochemical devices using silver ink and office paper

We report a novel and simple approach to fabricate a three-electrode configuration electrochemical cell using office paper instead of chromatographic paper. The device is suitable for the quantification of different analytes in aqueous solutions, and the manufacturing process is extremely cost-efficient and uses off-the-shelf products.

Graphical abstract: Fabrication of disposable electrochemical devices using silver ink and office paper
From the themed collection: Analytical Sciences in Brazil
Technical Note

Method validation and occurrence of dioxins and furans (PCDD/Fs) in fish from Brazil

An isotope dilution method, validated in accordance with specific requirements defined by the European Commission, for quantification of 17 polychlorinated dioxins and furans in fish from Brazil is described.

Graphical abstract: Method validation and occurrence of dioxins and furans (PCDD/Fs) in fish from Brazil
From the themed collection: Analytical Sciences in Brazil
Paper

Determination of P, S and Si in biodiesel, diesel and lubricating oil using ICP-MS/MS

The feasibility of inductively coupled plasma tandem mass spectrometry (ICP-MS/MS) to overcome polyatomic interferents in severely affected isotope determination is demonstrated here.

Graphical abstract: Determination of P, S and Si in biodiesel, diesel and lubricating oil using ICP-MS/MS
From the themed collection: Analytical Chemistry in South America
55 items

About this collection

This is a collection of papers highlighting the growth of the field of analytical science in Brazil with the aim to provide a showcase for some of the best researchers in this area. Guest Edited by Boris Mizaikoff and Ivo M. Raimundo Jr. New articles will be added to this collection as they are published.

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