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A sensitive and selective platinum-based electrochemical sensor for detection of neurotransmitters: Design and proof of concept. 193:109017-11. 2023-01-01
Bat algorithm for variable selection in multivariate classification modeling using linear discriminant analysis. 187:108382-1. 2023-01-01
Chemometric tools applied to silver nanoparticles electrodeposition in 3D-printed disposable device for the determination of sulfamethoxazole in different samples by voltammetry. 193:109091. 2023-01-01
Chemometric tools associated to chromatographic data to assess the quality and authenticity whiskeys. 189:108542. 2023-01-01
Classification of instant coffees based on caffeine content and roasting degree using NIR spectrometry and multivariate analysis. 190:108624. 2023-01-01
Competing ligand exchange-solid phase extraction method of polyphenols from wine. 191:108917. 2023-01-01
Composite material immobilized in 3D-printed support, an economical approach for electrochemical sensing of nimesulide. 188:108463. 2023-01-01
Data fusion of XRF and vis-NIR using p-ComDim to predict some fertility attributes in tropical soils derived from basalt. 1:108813. 2023-01-01
Determination of the pyrethroid inseticide metabolite 3-phenoxybenzoic acid in wastewater using polar organic integrative samplers and LC-MS/MS analysis. 190:108574. 2023-01-01
Development of polypropylene membranes grafted with nanocellulose to analyze organic pollutants in environmental waters using miniaturized passive samplers based on liquid-phase microextraction. 190:108641. 2023-01-01
Digital-image eco-friendly spot test with liquid-liquid microextraction for selective determination of flavonols in berries. 109207:109207. 2023-01-01
Direct NIR spectral determination of genetic improvement, light availability, and their interaction effects on chemically selected yerba-mate leaves. 191:108828-7. 2023-01-01
Excitation-emission matrices and PARAFAC in the investigation of the bioactive compound effects from the flavoring process in olive oils. 187:108360. 2023-01-01
Exploiting Synergistic Effects: Cheap Ultra-Sensitive Electrochemical Rutin Detection using WO 3 /rGO Nanocomposite in Combination with Multiwalled Carbon Nanotubes. 1:109090-1. 2023-01-01
Exploiting chemometrics for screening analysis by near-infrared spectroscopy without the support of reference analytical methods: Application to bulk sweeteners. 190:108732. 2023-01-01
Exploiting microdistillation and smartphone-based digital-image colorimetry for determination of protein in foods. 108461:108461. 2023-01-01
Flexible electrochemical sensor printed with conductive ink made with craft glue and graphite to detect drug and neurotransmitter. 191:108823. 2023-01-01
Fluorescence digital image-based method to measure biogenic amines in Buffalo Mozzarella and other cheeses produced in Brazil. 189:108508. 2023-01-01
Hollow fiber liquid-phase microextraction of multiclass pesticides in soil samples: A green analytical approach for challenging environmental monitoring analysis. 193:109028. 2023-01-01
In situ electrochemical determination of resorcinol using a fully 3D printed apparatus. 191:108810. 2023-01-01
Liquid-liquid microextraction method using a deep eutectic solvent for the determination of total paraben content by fluorescence spectroscopy and second-order calibration. 193:109128. 2023-01-01
Monolayer magnetic nanospheres have selective binding that allow the concentration of low-abundance proteins from blood serum. 1:109148-109148. 2023-01-01
Monolithic stationary phases preparation for use in chromatographic and electromigration techniques: the state-of-the-art  . 00:00-00. 2023-01-01
Near Infrared Spectroscopy (NIR) And Chemometrics Methods To Identification Of Haploids In Maize. 190:108604. 2023-01-01
Optimization of Energized Dispersive Guided extraction (EDGE) of antioxidants from Eugenia uniflora L. (Pitanga) leaves using response surface methodology. 187:108411. 2023-01-01
Quality by design approach for enantiomeric evaluation by RP-HPLC method of Rivaroxaban and its chiral impurity. 192:108911. 2023-01-01
Recent electrochemical sensors and biosensors for toxic agents based on screen-printed electrodes equipped with nanomaterials. 185:108281. 2023-01-01
Standard dilution analysis using an automatic sampler and a peristaltic pump stopping step for ICP-OES determinations. 190:108603. 2023-01-01
Study of coffee sensory attributes by ordered predictors selection applied to 1H NMR spectroscopy. 190:108739. 2023-01-01
The forensic ability of TD-NMR in detecting counterfeit spirits by analyzing bottle caps. 191:108896. 2023-01-01
Using colorimetric spot test and digital imaging-based technique for volatile acidity determination in cachaça with the aid of a smartphone. 187:108416. 2023-01-01
Wine age prediction using digital images and multivariate calibration. 190:108738. 2023-01-01
3D printing and its applications in spectroelectrochemistry. 183:108083. 2022-01-01
3D-printed carbon black/polylactic acid electrochemical sensor combined with batch injection analysis: a cost-effective and portable tool for naproxen sensing. 180:107565. 2022-01-01
3D-printed microfluidic thread device with integrated detector: a green and portable tool for amperometric detection of fungicide benzovindiflupyr in forensic samples. 182:107853. 2022-01-01
A comparative approach of MIR, NIR and Raman based chemometric strategies for quantification of Form I of Meloxicam in commercial bulk drug. 180:107575. 2022-01-01
A feasible and efficient voltammetric sensor based on electropolymerized L-arginine for the detection of L-tryptophan in dietary supplements. 181:107709-107717. 2022-01-01
A green and direct method for authentication of rosewood essential oil by handheld near infrared spectrometer and one-class classification modeling. 182:107916. 2022-01-01
A new RT-LAMP-on-a-Chip Instrument for SARS-CoV-2 diagnostics. 180:107600-9. 2022-01-01
A new eco-friendly strategy for chromium determination in stainless steels: Electrolytic dissolution followed by voltammetric detection. 183:1-7. 2022-01-01
A new green method employing ultrasonic-assisted liquid-phase microextraction and digital imaging colorimetry for the determination of mefenamic acid in medicinal products. 179:107538. 2022-01-01
A novel 3D-printed batch injection analysis (BIA) cell coupled to paper-based electrochemical devices: a cheap and reliable analytical system for fast on-site analysis. 179:107663. 2022-01-01
A palm-sized wireless device for colorimetric nitrite determination in water. 183:108138. 2022-01-01
A portable and affordable paper electrochemical platform for the simultaneous detection of sunset yellow and tartrazine in food beverages and desserts. 181:107799. 2022-01-01
A portable tool for colorimetric detection of corrosion inhibitors using paper-based analytical devices. 183:108024. 2022-01-01
A short review of extraction methods associated with chromatographic analysis for the control of pesticide residues in processed fruit juices. 12:108312. 2022-01-01
An eco-friendly analytical methodology based on digital images for quality control of commercial Mikania glomerata syrups. 178:107338. 2022-01-01
An improvement of Method TO-15A, aided by heart-cutting multidimensional gas chromatography, for the analysis of C2-C12 hydrocarbons in atmospheric samples. 183:108008. 2022-01-01
An overview of sample preparation procedures for determination of elemental impurities in medicines. 175:107189. 2022-01-01
Applicability of new configuration of open tubular solid phase microextraction for determination of free (unconjugated) testosterone esters by gas chromatography with barrier ionization discharge detector. 183:108104. 2022-01-01
Carbon dots on paper for determination of Cu2+ in sugar cane spirits samples for fluorescence digital image-based method. 14:107500-1319. 2022-01-01
Cell-to-cell heterogeneous association of prostate cancer with gold nanoparticles elucidated by Single-Cell Inductively Coupled Plasma Mass Spectrometry. 177:107275-13 pp. 2022-01-01
Characterization of crude oils with a portable NIR spectrometer. 181:107696. 2022-01-01
Copper determination in beer by flame atomic absorption spectrometry after extraction and preconcentration by dispersive liquid-liquid microextraction. 1:108181. 2022-01-01
Deep eutectic solvent in ultrasound-assisted liquid-phase microextraction for determination of vanadium in food and environmental waters. 180:107543. 2022-01-01
Determination of 3-nitrobenzanthrone, its metabolites, and 41 polycyclic aromatic compounds (16 PAHs, 19 nitro-PAHs, and 6 oxy-PAHs) in ascidians (Phallusia nigra). 174:107081. 2022-01-01
Determination of a comprehensive set of drugs of abuse, metabolites and human biomarkers in wastewater using passive sampling followed by UHPLC-MS/MS analysis. 172:106960. 2022-01-01
Determination of adulterants of cocaine in Real banknotes in Brazil by HPLC-DAD. 178:107401. 2022-01-01
Determination of polycyclic aromatic sulfur heterocycles in ascidians (Phallusia nigra) using a green procedure. 1:108270. 2022-01-01
Development and validation of a solid-liquid extraction with low-temperature partitioning method for the determination of fipronil in turtle eggshell. 178:107393. 2022-01-01
Development of a multianalyte electrochemical sensor for depression biomarkers based on a waste of the steel industry for a sustainable and one-step electrode modification. 175:107141-(1-9). 2022-01-01
Digital-image photometry with multi-energy calibration. 182:107938. 2022-01-01
Effect of fermentation on the quality of conilon coffee (Coffea canephora): Chemical and sensory aspects. 1:107966. 2022-01-01
Electrochemical determination of ethanol on carbon paste electrode chemically modified with [N,N--cis-1,2-cyclohexylene bis (salicylideneaminate)] nickel(II) Schiff base complex. 175:107209-107209. 2022-01-01
Electrochemical paper-based analytical devices containing magnetite nanoparticles for the determination of vitamins B2 and B6. 179:107588. 2022-01-01
Exogenous application of bioregulators in Coffea arabica beans during ripening: Investigation of UV-Visible and NIR mixture design-fingerprints using AComDim-ICA. 181:107702. 2022-01-01
Factorial design optimization of dispersive liquid-liquid microextraction for analysis of metals in natural and drinking waters. 183:108029. 2022-01-01
Goat milk authentication by one-class classification of digital image-based fingerprint signatures: detection of adulteration with cow milk. 180:107640-8. 2022-01-01
Graphite sheets modified with poly(methylene blue) films: A cost-effective approach for the electrochemical sensing of the antibiotic nitrofurantoin. 177:107289. 2022-01-01
Green chromatography as a novel alternative for the quality control of Serjania marginata Casar. Leaves. 181:107671. 2022-01-01
Heat-based procedure for detectability enhancement of colorimetric paper-based spot tests. 177:107320. 2022-01-01
In-depth chemometric strategy to detect up to four adulterants in cashew nuts by IR spectroscopic techniques. 181:107816. 2022-01-01
Low-cost spectroscopic devices with multivariate analysis applied to milk authenticity. 181:107746-107756. 2022-01-01
Magnetic solid-phase extraction of bisphenol A from water samples using nanostructured material based on graphene with few layers and cobalt ferrite. 181:107741-107741. 2022-01-01
Measurement uncertainty evaluation of an analytical procedure for determination of terbinafine hydrochloride in creams by HPLC and optimization strategies using Analytical Quality by Design. 178:107386. 2022-01-01
Multivariate Evaluation of Process Parameters To Obtain Essential Oil Of Piper Corcovadensis Using Supercritical Fluid Extraction. 181:107747. 2022-01-01
Near-infrared spectroscopy for prediction of potentially toxic elements in soil and sediments from a semiarid and coastal humid tropical transitional river basin. 1:107544. 2022-01-01
New HS-SPME-GC-BID method for the determination of volatile constituents in distilled beverages. 181:107669. 2022-01-01
Optimisation of the conditions of dispersive liquid-liquid microextraction for environmentally friendly determination of bisphenols and benzophenone in complex water matrices by LC-MS/MS. 180:107636. 2022-01-01
Paper based device (PAD) for colorimetric determination of ranitidine in Pharmaceutical Samples. 178:107336-107336. 2022-01-01
Paper-based electrochemical platform modified with graphene nanoribbons: A new and affordable approach for analysis of 5-hydroxy-l-tryptophan. 183:108030. 2022-01-01
Polyimide adhesive tapes as a versatile and disposable substrate to produce CO2 laser-induced carbon sensors for batch and microfluidic analysis. 182:107893. 2022-01-01
Prediction of dry matter, carbon and ash contents and identification of Calycophyllum spruceanum (Benth) organs by Near-Infrared spectrophotometry. 00:107621-107624. 2022-01-01
Profiling organic acids in produced water samples using vacuum-assisted sorbent extraction and gas chromatography coupled to Fourier transform Orbitrap mass spectrometry. 180:107581. 2022-01-01
Redox potential determination of the Hell?s gate globin I protein facing multiple exogenous ligands. 183:108027. 2022-01-01
Restricted access mesoporous magnetic polypyrrole for extraction of acid, neutral and basic compounds from whey. 178:107385. 2022-01-01
Simultaneous determination of scopolamine and butylscopolamine in pharmaceutical and beverage samples by capillary zone electrophoresis. 172:106985. 2022-01-01
Spectroelectrochemistry as a powerful technique for porphyrins/corroles derivatives electro-characterization: Fundamentals and some examples. 183:108041. 2022-01-01
Spectroscopic based partial least-squares models to estimate soil features. 01:107617. 2022-01-01
Stamping method based on 3D printing and disposable napkin: Cheap production of paper analytical devices for alcohol determination in beverages aiming forensics and food control. 180:107604. 2022-01-01
Sustainable extraction bioactive compounds procedures in medicinal Plants based on the principles of Green Analytical Chemistry: A review. 175:107184. 2022-01-01
The fabrication of a flexible and portable sensor based on home-made laser-induced porous graphene electrode for the rapid detection of sulfonamides. 107898. 2022-01-01
Uncertainty of measurement and validation of a ballistic method by RP-HPLC for determination of rhEPO in 2000, 4000 and 10000 IU pharmaceutical formulations. 178:107418. 2022-01-01
Using TD-NMR relaxometry to assess the effects of diet type and stocking rate on the incidence and degree of severity of myopathies in broilers. 181:107745. 2022-01-01
3D-printing in forensic electrochemistry: Atropine determination in beverages using an additively manufactured graphene-polylactic acid electrode. 167:106324. 2021-01-01
A Cu-NPG/SPE sensor for non-enzymatic and non-invasive electrochemical glucose detection. 160:105629. 2021-01-01
A Rotational-Linear Sample Probing Device to Improve the Performance of Compact Near-Infrared Spectrophotometers. 170:106747. 2021-01-01
A cheap handheld NIR spectrometric system for automatic determination of methane, ethane, and propane in natural gas and biogas. 170:106752. 2021-01-01
A miniaturized simple binary solvent liquid phase microextraction (BS-LPME) procedure for pesticides multiresidues determination in red and rosè wines. 166:106306. 2021-01-01
A molecularly imprinted polymer on reduced graphene oxide-gold nanoparticles modified screen-printed electrode for selective determination of ferulic acid in orange peels. 167:106339. 2021-01-01
A new electrochemical platform based on carbon black paste electrode modified with α-cyclodextrin and hierarchical porous carbon used for the simultaneous determination of dipyrone and codeine. 164:106032. 2021-01-01
A new flow cell design for chemiluminescence detection using an improved signal transduction network. Determination of hydrogen peroxide in pharmaceuticals. 171:106789. 2021-01-01
A novel and green extraction strategy for sensitive determination of phthalates in aqueous samples: Analytical and computational studies. 166:106227. 2021-01-01
A novel electrochemical sensor for simultaneous determination of cadmium and lead using graphite electrodes modified with poly(p-coumaric acid). 168:106406. 2021-01-01
A simple, fast, and cost-effective analytical method for monitoring active quinones in a H2O2 production process. 163:105861. 2021-01-01
An IoT optical sensor for photometric determination of oxalate in infusions. 168:106466. 2021-01-01
Analysis of total phenolic compounds and caffeine in teas using variable selection approach with two-dimensional fluorescence and infrared spectroscopy. 169:106570. 2021-01-01
Applications of Chemometrics in Oil Spill Studies. 166:106216. 2021-01-01
Automated analytical procedure using multicommuted flow analysis and organic solvent extraction controlled by an Arduino Due board for photometric determination of zinc in water. 163:105918. 2021-01-01
Biochar obtained from spent coffee grounds: Evaluation of adsorption properties and its application in a voltammetric sensor for lead (II) ions. 165:106114. 2021-01-01
Carbon ink-based electrodes modified with nanocomposite as a platform for electrochemical detection of HIV RNA. 170:106739. 2021-01-01
Chemometrics unraveling nutrient dynamics during soybean seed germination. -:106045-x. 2021-01-01
Chemotyping the medicinal herb Egletes viscosa through SPME-GC¿MS. .:106434-.. 2021-01-01
Chromium speciation in organic fertilizer by cloud point extraction and optimization through experimental Doehlert design as support for legislative aspects. 160:105618. 2021-01-01
Correction of the moisture variation in wood NIR spectra for species identification using EPO and soft PLS2-DA. 171:106839. 2021-01-01
Determination of atrazine and main metabolites in natural waters based on a simple method of QuEChERS and liquid chromatography coupled to a diode-array detector. 1:106392. 2021-01-01
Determination of main raw material source in bar soaps using mid-infrared spectroscopy combined with classification tools. 164:106029. 2021-01-01
Development and validation of a fast HPLC method for methyldopa enantiomers using superficially porous particle based macrocyclic glycopeptide stationary phase. 1:105957-12. 2021-01-01
Development of an affordable, portable and reliable voltametric platform for general purpose electroanalysis. 170:106756. 2021-01-01
Development of conductive inks for electrochemical sensors and biosensors. 164:105998. 2021-01-01
Development of hollow fiber-membrane microporous liquid-liquid extraction (HF-MMLLE) procedure based on palladium nanoparticles for determination of PAH in leached extracts. 169:106562. 2021-01-01
Disposable electrochemical sensor based on shellac and graphite for sulfamethoxazole detection. 170:106701. 2021-01-01
Eco-friendly sample preparation method for silicon carbide using pyrohydrolysis for subsequent determination of tungsten by icp-ms. 171:106781. 2021-01-01
Electrode modified with nitrogen-doped graphene quantum dots supported in chitosan for triclocarban monitoring. 167:106297. 2021-01-01
Evaluation of the performance of a selective magnetite molecularly imprinted polymer for extraction of quercetin from onion samples. 162:105849. 2021-01-01
Evaluation of the retention profile in flow-modulated comprehensive two-dimensional gas chromatography and independent component analysis of weathered heavy oils. 172:106978. 2021-01-01
Extraction of estrogen hormones from water samples using an aqueous two-phase system: a new approach for sample preparation in the analysis of emerging contaminants. 166:106231. 2021-01-01
Fast and portable voltammetric method for the determination of the amphetamine adulterant ephedrine in natural over-the-counter weight-loss products. 160:105757. 2021-01-01
Fast determination of amphetamine-type stimulants and synthetic cathinones in whole blood samples using protein precipitation and LC-MS/MS. 163:105895. 2021-01-01
Green emitting N, P-doped carbon dots as efficient fluorescent nanoprobes for determination of Cr(VI) in water and soil samples. 166:106219. 2021-01-01
Impurity in sugarcane juice as mineral content: a prospect for analysis using energy - dispersive X-ray fluorescence (EDXRF) and chemometrics. 164:105951. 2021-01-01
In-situ authentication of goat milk in terms of its adulteration with cow milk using a low-cost portable NIR spectrophotometer. 163:105885. 2021-01-01
Ionomics and lipidomics for evaluating the transgenic (cp4-EPSPS gene) and non-transgenic soybean seed generations. 165:106130-106138. 2021-01-01
LIBS as an alternative method to control an industrial hydrometallurgical process for the recovery of Cu in waste from electro-electronic equipment (WEEE). 164:106007. 2021-01-01
Mass spectrometry-based biosensing using pencil graphite rods. 164:106077. 2021-01-01
Michael addition reaction of symmetrically halogenated bischalcones with reduced glutathione assessed by RP-HPLC and RP-HPLC-ESI-MS. 169:106603. 2021-01-01
Microextraction by packed molecularly imprinted polymer followed by ultra-high performance liquid chromatography for determination of fipronil and fluazuron residues in drinking water and veterinary clinic wastewater. 1:106405. 2021-01-01
Microwave induced plasma optical emission spectrometry (MIP OES) and laser-induced breakdown spectroscopy (LIBS) for multi-element determination and location in ceramic tableware. 168:106452. 2021-01-01
Multi-elemental analysis of landfill leachates by single and double pulse laser-induced breakdown spectroscopy. 165:1/106125-6. 2021-01-01
Multiple response optimization of ultrasound-assisted procedure for multi-element determination in Brazilian wine samples by microwave-induced plasma optical emission spectrometry. 171:106857. 2021-01-01
Nanomagnets based on activated carbon/magnetite nanocomposite for determination of endocrine disruptors in environmental water samples. 1:106366. 2021-01-01
Near infrared spectroscopy to rapid assess the rubber tree clone and the influence of maturation and disease at the leaves. 00:1-106478. 2021-01-01
Non-invasive identification of commercial green tea blends using NIR spectroscopy and support vector machine. 164:106052. 2021-01-01
Optimization of operational ICP OES parameters and application to PM10 monitoring associated to sugarcane burning. 163:105917. 2021-01-01
Performance of an amperometric immunosensor assembled on carboxymethylated cashew gum for Salmonella detection. 167:106268. 2021-01-01
Pesticide residues in groundwater and surface water: recent advances in solid-phase extraction and solid-phase microextraction sample preparation methods for multiclass analysis by gas chromatography-mass spectrometry. 168:106359. 2021-01-01
Pesticides in surface water from Brazil and Paraguay cross-border region: screening using LC-QTOF MS and correlation with land use and occupation through multivariate analysis. 168:106502. 2021-01-01
Predicting silicon, aluminum, and iron oxides contents in soil using computer vision and infrared. 170:106669. 2021-01-01
Quantitative analysis of free glycerol in biodiesel using solid-phase extraction and high-performance liquid chromatography. 168:106347. 2021-01-01
Rapid and sensitivity determination of macrolides antibiotics using disposable electrochemical sensor based on Super P carbon black and chitosan composite. 1:1. 2021-01-01
Removal of pharmaceuticals in hospital wastewater by solar photo-Fenton with Fe3+-EDDS using a pilot raceway pond reactor: Transformation products and in silico toxicity assessment. 164:106014. 2021-01-01
Selection of industrial tomatoes using TD-NMR data and computational classification methods. 1:106048. 2021-01-01
Spot test for determination of uric acid in saliva by smartphone-based digital images: A new proposal for detecting kidney dysfunctions. 162:105862. 2021-01-01
Stability study of doripenem antibiotic applying LC-ESI-Q-TOF method and in silico prediction: An analytical investigation focused on degradation products. 166:106230. 2021-01-01
The techniques and materials of a 16th century drawing by Giorgio Vasari: a multi-analytical investigation. X:106757. 2021-01-01
Total sulfonamides determination in bovine milk using smartphone-based digital images. 170:106657. 2021-01-01
Ultrasensitive determination of selenium in foodstuffs and beverages using an electroanalytical approach. 164:105996. 2021-01-01
Ultrasound-assisted dispersive liquid-liquid microextraction for determination of enrofloxacin in surface waters. 160:105633-105637. 2021-01-01
When a picture is worth a thousand words: molecular and elemental imaging applied to environmental analysis - A review. 1:106526-106543. 2021-01-01
aSimple and rapid electrochemical detection of 1-benzylpiperazine on carbon screen-printed electrode. 167:106282. 2021-01-01
19th Brazilian meeting on analytical chemistry. 153:104433. 2020-01-01
1H NMR metabolic fingerprinting of Chapada Diamantina/Bahia (Brazil) coffees as a tool to assessing their qualities. 152:104293. 2020-01-01
A New electrochemical sensor based on eco-friendly chemistry for the simultaneous determination of toxic trace elements. 158:105292. 2020-01-01
A comparison between chemical and photochemical vapor generation techniques for mercury determination using univariate and multivariate optimization. 157:105029. 2020-01-01
A digital capture movie-based robotized Flow-batch luminometer for in-line magnetic nanoparticle solid phase extraction and chemiluminescent measurement. 153:104387. 2020-01-01
A fast DLLME-LC-MS/MS method for risperidone and its metabolite 9-hydroxyrisperidone determination in plasma samples for therapeutic drug monitoring of patients. 1:104894. 2020-01-01
A fluorescence digital image-based method using a 3D-printed platform and a UV-LED chamber made of polyacid lactic for quinine quantification in beverages. 157:104986-104992. 2020-01-01
A lab-made screen-printed electrode as a platform to study the effect of the size and functionalization of carbon nanotubes on the voltammetric determination of caffeic acid. 158:105297. 2020-01-01
A low cost method for carbamazepine, ciprofloxacin and norfloxacin determination in pharmaceutical formulations based on spot-test and smartphone images. 152:104297. 2020-01-01
A multi-pumping flow system for spectrophotometric determination of oxalate in tea. 157:104938. 2020-01-01
A simple, rapid, green and non-destructive 19F time-domain NMR method for directly fluorine determination in powder of mineral supplements for cattle. 153:104416. 2020-01-01
A single drop histamine sensor based on AuNPs/MnO2 modified screen-printed electrode. 155:104778. 2020-01-01
A smartphone-based bioassay for determining relative potency estimated from sigmoidal-response curves and respective measurement uncertainty. 154:104626. 2020-01-01
Aminopropyl hybrid silica monolithic capillary containing mesoporous SBA-15 particles for in-tube SPME-HILIC-MS/MS to determine levodopa, carbidopa, benserazide, dopamine, and 3-O-methyldopa in plasma samples. 157:105106. 2020-01-01
Analytical and preparative chromatographic approaches for extraction of spilanthol from Acmella oleracea flowers. 157:105035-105039. 2020-01-01
Application of a lab-made ternary Fe-Cr-Al coil vaporizer coupled to ICP OES for boron determination in powdered food after the sample preparation in alkaline media. 157:104875. 2020-01-01
Application of luminescent markers to ammunition encoding in forensic routine using a Video Spectral Comparator (VSC). 157:105362. 2020-01-01
Application of mixture design in analytical chemistry. 152:104336. 2020-01-01
Application of principal component analysis for the evaluation of the chemical constituents of Mimosa tenuiflora methanolic extract by DLLME/GC-MS. 152:104284. 2020-01-01
Assessing the harmfulness of high-salinity oilfield-produced water related to trace metals using vortex-assisted dispersive liquid-liquid microextraction combined with inductively coupled plasma optical emission spectrometry. 155:104714. 2020-01-01
Au nanoparticle-poly(ionic liquid) nanocomposite electrode for the voltammetric detection of triclosan in lake water and toothpaste samples. 152:104421. 2020-01-01
Automated liquid-liquid extraction procedure for the photometric determination of nanogram levels of Hg(II) in soil and sediment extracts. 156:104978. 2020-01-01
Automation of continuous flow analysis systems - A review. 155:104731. 2020-01-01
Batch injection analysis with electrochemical detection for the simultaneous determination of the diuretics furosemide and hydrochlorothiazide in synthetic urine and pharmaceutical samples. 157:1-105032. 2020-01-01
Bio-inspired algorithm for variable selection in i-PLSR to determine physical properties, thorium and rare earth elements in soils from Brazilian semiarid region. 159:105640. 2020-01-01
Boron-doped diamond film and multiple linear regression-based calibration applied to the simultaneous electrochemical determination of paracetamol, phenylephrine hydrochloride, and loratadine in fixed-dose combinations. 162:105831. 2020-01-01
CN diatomic emission for N determination by LIBS. -:105107--. 2020-01-01
Cadmium(II) determination in production waters from petroleum exploration after its separation from the highly saline matrix mediated by a semipermeable membrane device. 152:104310. 2020-01-01
Calibration strategies for determination of Pb content in recycled polypropylene from car batteries using laser-induced breakdown spectroscopy (LIBS). 159:105558. 2020-01-01
Chemical differentiation between Uncaria tomentosa and Uncaria guianensis by LC-PDA, FT-IR and UV methods coupled to multivariate analysis: A reliable tool for adulteration recognition. 152:104346. 2020-01-01
Chitosan-modified cotton thread for the preconcentration and colorimetric trace determination of Co(II). 158:105137. 2020-01-01
Chromatographic quantification of seven pesticide residues in vegetable: univariate and multiway calibration comparison. 152:104301. 2020-01-01
Cloud point extractors for simultaneous determination of Pd and Pt in water samples by ICP OES with multivariate optimisation. 152:104309-104318. 2020-01-01
Colorimetric based sensing of dopamine using ionic liquid functionalized drug mediated silver nanostructures. 159:105382. 2020-01-01
Computer-vision based second-order (kinetic-color) data generation: arsenic quantitation in natural waters. 157:104916. 2020-01-01
Could antioxidant capacity and flavonoid content of ethanolic extracts of geopropolis from Brazilian native bees be estimated from digital photos and NIR Spectra?. 157:105031-10. 2020-01-01
DEVELOPMENT AND VALIDATION OF A STABILITY INDICATING HPLC-DAD METHOD FOR THE DETERMINATION OF THE PEPTIDE STIGMURIN. 104921:104921-104931. 2020-01-01
Determination of N, N-diethyl-3-methylbenzamide and ethyl-butyl-acetylaminopropionate in Insect repellent using near infrared spectroscopy and multivariate calibration. 152:104. 2020-01-01
Determination of Pb(II) and Cu(II) in microemulsified biodiesel using boron-doped diamond electrode. 156:104849. 2020-01-01
Determination of empagliflozin in the presence of its organic impurities and identification of two degradation products using UHPLC-QTOF/MS. 161:105795. 2020-01-01
Determination of phenolic composition of oilseed whole flours by HPLC-DAD with evaluation using chemometric analyses. 155:104683-104692. 2020-01-01
Determination of temporary dye Basic Red 51 in commercial hair dye, river water and wastewater from hairdressing salon using graphite-epoxy composite electrode modified with magnetic nanoparticles. 159:105485. 2020-01-01
Development and Validation of an Analytical Methodology for the Determination of δ2H and δ18O in Formation Water Based on Laser-Based Infrared Absorption Spectroscopy. 155:104678. 2020-01-01
Development and Validation of an Analytical Methodology for the Determination of Delta(2H) and Delta(18O) in Formation Water Based on Laser-Based Infrared Absorption Spectroscopy. 155:104678. 2020-01-01
Development and optimization of a stability-indicating chromatographic method for verapamil hydrochloride and its impurities in tablets using an analytical quality by design (AQbD) approach. 154:104610. 2020-01-01
Development of a composite electrode based on graphite and polycaprolactone for the determination of antihypertensive drugs. 158:105228-105235. 2020-01-01
Development of reference material from powdered milk: uncertainties and interlaboratory evaluation through confidence ellipses. 159:105330. 2020-01-01
Doehlert matrix for the optimization of ultrasound dispersive liquid-liquid microextraction of melatonin in Argentine and Brazilian wine samples. 156:105313. 2020-01-01
EDXRF spectral data combined with PLSR to determine some soil fertility indicators. 152:104275-104283. 2020-01-01
Editorial: Tenth Brazilian Chemometrics Workshop. 159:105430. 2020-01-01
Efficient development of a magnetic molecularly imprinted polymer for selective determination of trimethoprim and sulfamethoxazole in milk. 154:104648. 2020-01-01
Electrochemical detection of 3,4-methylenedioxymethamphetamine (ecstasy) using a boron-doped diamond electrode with differential pulse voltammetry: Simple and fast screening method for application in forensic analysis. 00:1-8. 2020-01-01
Emerging micropollutants determination by NIR spectroscopy using pseudo-univariate calibration and TF-SPME coupled with 96-well plate system. 155:104789. 2020-01-01
Evaluation of recycle and reuse of nitric acid from sample digests by sub-boiling distillation. 157:105080. 2020-01-01
Evaluation of the nutritional composition in effect of processing cassava leaves (Manihot esculenta) using multivariate analysis techniques. 152:104271-104278. 2020-01-01
Exploratory analysis of the atmospheric levels of BTEX, criteria air pollutants and meteorological parameters in a tropical urban area in Northeastern Brazil. 152:104265-104273. 2020-01-01
FT-IR biomarkers of sexual dimorphism in yerba-mate plants: Seasonal and light accessibility effects. 158:105329. 2020-01-01
FT-NIR combined with chemometrics versus classic chemical methods as accredited analytical support for decision-making: application to chemical compositional compliance of feedingstuffs. 158:105126. 2020-01-01
Fast and Straightforward In-situ Synthesis of Gold Nanoparticles on a Thread-Based Microfluidic Device for Application in Surface-Enhanced Raman Scattering Detection. 156:104985. 2020-01-01
Fluorescence spectroscopy application for Argentinean yerba mate (Ilex paraguariensis) classification assessing first- and second-order data structure properties. 155:104783. 2020-01-01
GC × GC-TOFMS and chemometrics approach for comparative study of volatile compound release by tobacco heating system as a function of temperature. 159:105578. 2020-01-01
Geographical characterization of South America wines based on their phenolic and melatonin composition: An exploratory analysis. 158:105240. 2020-01-01
Greener ultrasound-assisted extraction of bioactive phenolic compounds in Croton heliotropiifolius Kunth leaves. 159:105525-x. 2020-01-01
Highly sensitive determination of Cu(II) ions in hemodialysis water by F AAS after disposable pipette extraction (DPX) using Moringa oleifera as solid phase. 105749:105749. 2020-01-01
Impedimetric immunosensor to determine patulin in apple juices using a glassy carbon electrode modified with graphene oxide. 158:105192. 2020-01-01
Improving surface-enhanced Raman scattering performance of gold-modified magnetic nanoparticles by using nickel-phosphorus film on polydimethylsiloxane. 160:105704. 2020-01-01
Integrated SPE-Self assembled MEPS platform for ultrasensitive determination of mononitrophenols in water: Experimental, computational and applicability studies. 154:104525. 2020-01-01
Irrigated and CO2 level effects on metabolism in Coffea arabica beans from mixture design - near infrared fingerprints. 152:104276. 2020-01-01
Label-free electrochemical immunosensor for detection of oncomarker CA125 in serum. 155:104746. 2020-01-01
Laser-Engraved Ammonia Sensor Integrating a Natural Deep Eutectic Solvent. 157:105067. 2020-01-01
Magnetic solid-phase extraction and pre-concentration of 17β-estradiol and 17α-ethinylestradiol in tap water using maghemite-graphene oxide nanoparticles and determination via HPLC with a fluorescence detector. -:104947. 2020-01-01
Matrix-matched two-point calibration based on the standard dilution analysis method. 160:105740. 2020-01-01
Microextraction by packed molecularly imprinted polymer to selectively determine caffeine in soft and energy drinks. 158:105252. 2020-01-01
Microfluidic fluorescence immunosensor using ZnONFs for invasive aspergillosis determination. 159:105371. 2020-01-01
Microplastic abundance quantification via a computer-vision-based chemometrics-assisted approach. 160:105690. 2020-01-01
Modeling an in silico platform to predict chromatographic profiles of UV filters using ChromSimulator. 157:105002. 2020-01-01
Molybdenum trioxide incorporated in a carbon paste as a sensitive device for bisphenol A monitoring. 159:105528. 2020-01-01
Monitoring the quality of ethanol-based hand sanitizers by low-cost near-infrared spectroscopy. 10542:105421. 2020-01-01
Multivariate optimization for the determination of cadmium and lead in crude palm oil by graphite furnace atomic absorption spectrometry after extraction induced by emulsion breaking. 153:104401. 2020-01-01
Multivariate optimization of an aqueous two-phase extraction for determination of cadmium and manganese in food sample. 159:1-7. 2020-01-01
Nitrogen compounds as molecular markers: An overview of analytical methodologies for its determination in crude oils and source rock extracts. 157:105039-105039. 2020-01-01
Non-Destructive and portable analyses helping the study and conservation of a Saraceni copper plate painting in the São Paulo museum of art. 155:104787. 2020-01-01
Non-invasive detection of internal flesh breakdown in intact Palmer mangoes using time-domain nuclear magnetic resonance relaxometry. 158:105208-5. 2020-01-01
Optimization of chromatographic separation and classification of artisanal and fine chocolate based on its bioactive compound content through multivariate statistical techniques. 152:104342. 2020-01-01
Paper-based analytical device for colorimetric detection of Cu2+ in Brazilian sugarcane spirits by digital image treatment. 159:105463. 2020-01-01
Phase and microstructural study of urinary stones. 152:104429. 2020-01-01
Phenolic and glycidic profiling of bananas Musa sp associated with maturation stage and cancer chemoprevention activities. 153:104391. 2020-01-01
Photoelectrochemical biosensor for 1,4-dihydroxybenzene based on copper sulfide and horseradish peroxidase enzyme: Application in skin cream samples. 159:105487. 2020-01-01
Polythiophene as highly efficient sorbent for microextraction in packed sorbent for determination of steroids from bovine milk samples. 153:104521. 2020-01-01
Preparation of a reference material for crude oil trace elements: Study of homogeneity and stability. 155:104799. 2020-01-01
Pressure variation in-syringe dispersive liquid-liquid microextraction associated with digital image colorimetry: determination of cobalt in food samples. 157:105064. 2020-01-01
Quantification and classification of vegetable oils in extra virgin olive oil samples using a portable near-infrared spectrometer associated with chemometrics. 159:105544-1. 2020-01-01
Quantification of bisphenol A in urine samples from children studying in public schools from the Brazilian Capital. 152:104347-104352. 2020-01-01
Quantification of milk adulterants (starch, H2O2, and NaClO) using colorimetric assays coupled to smartphone image analysis. 1:1. 2020-01-01
RGCxGC toolbox: An R-package for data processing in comprehensive two-dimensional gas chromatography-mass spectrometry. 156:104830. 2020-01-01
Restrict access material for paper spray ionization mass spectrometry: A versatile tool for catecholamines and antidepressants determination in plasma samples. 158:105245-105251. 2020-01-01
Restricted access macroporous magnetic polyaniline for determination of coumarins in rat plasma. 153:104490. 2020-01-01
Restricted access material-ion imprinted polymer-based method for on-line flow preconcentration of Cd2+ prior to flame atomic absorption spectrometry determination. 157:105022. 2020-01-01
Simple and low-cost sensor based on activated biochar for the voltammetric stripping detection of caffeic acid. 159:105380. 2020-01-01
Simultaneous determination of Fe and Zn in dried blood spot by HR-CS GF AAS using solid sampling. 160:105637-x. 2020-01-01
Solventless separation of underivatized biogenic amines by sequential injection chromatography. 156:104839. 2020-01-01
Spot test exploiting smartphone-based digital images for determination of biodiesel in diesel blends. 152:104273. 2020-01-01
Spot test for fast determination of hydrogen peroxide as a milk adulterant by smartphone-based digital image colorimetry. 157:105042. 2020-01-01
Stability-Indicating HPLC method for estimation of omarigliptin in tablets - Oxidative and photolytic kinetics and degradation products formed under oxidative conditions. 157:105084. 2020-01-01
Strategies for inorganic speciation analysis employing spectrometric techniques-Review. 153:104402-104409. 2020-01-01
TRANSMISSION OF X AND γ-RAYS TO DIFFERENTIATE TUMBAGA FROM GOLD AND GILDED COPPER. 1:104720-1. 2020-01-01
The importance of the assembling of DNA strands on the performance of electrochemical genosensors. 159:105358. 2020-01-01
The speciation of the organic compounds of slow pyrolysis bio-oils from Brazilian tropical seed cake fruits using high-resolution techniques: GC × GC-TOFMS and ESI(±)-Orbitrap HRMS. 153:104514. 2020-01-01
Tobramycin: A review of detectors used in analytical approaches for drug substance, its impurities and in pharmaceutical formulation. 1:105658-105678. 2020-01-01
Use of hexamethyldisilazane as a silanizing agent in microwave-assisted derivatization for determining phenolic compounds in wine by gas chromatography. 1:105785-1. 2020-01-01
Use of lyophilization as analytical strategy for chromatographic characterization of aqueous phase of bio-oil produced by rice husk pyrolysis. 152:104457-10. 2020-01-01
Volatile organic compounds analysis optimization and biomarker discovery in urine of Non-Hodgkin lymphoma patients before and during chemotherapy. 159:105479-105487. 2020-01-01
Voltammetric sensing of E,E-dienestrol in fish tissue by combining a cathodically pretreated boron-doped diamond electrode and QuEChERS extraction method. 155:104718. 2020-01-01
[3-(methacryloxy)propyl]trimethoxysilane-based monolithic stationary phases for capillary-scale chromatography and their characterization by contactless conductivity detection and Solid-State NMR spectroscopy. -:105783--. 2020-01-01

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