Search Results - "Mello, Paola A"
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Analytical methods for the determination of halogens in bioanalytical sciences: a review
Published in Analytical and bioanalytical chemistry (01-09-2013)“…Fluorine, chlorine, bromine, and iodine have been studied in biological samples and other related matrices owing to the need to understand the biochemical…”
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2
A single step ultrasound-assisted nitrocellulose synthesis from microcrystalline cellulose
Published in Ultrasonics sonochemistry (01-04-2021)“…[Display omitted] •The nitration of microcrystalline cellulose assisted by ultrasound was suitable.•Ultrasound amplitude, acid mixtures, and reaction time were…”
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3
Ultrasound-assisted conversion of tannic acid to gallic acid as a strategy to obtain value-added products
Published in Ultrasonics sonochemistry (01-04-2021)“…[Display omitted] •Gallic acid production was 128 ± 4 mg g−1 of initial tannic acid using ultrasound with 1 mol L−1 H2O2.•Reaction time, temperature, horn…”
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4
Feasibility of ultra-trace determination of bromine and iodine in honey by ICP-MS using high sample mass in microwave-induced combustion
Published in Analytical and bioanalytical chemistry (01-10-2015)“…This work demonstrates the feasibility of ultra-trace determination of halogens in biological samples by inductively coupled plasma mass spectrometry (ICP-MS)…”
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5
Iodine determination in food by inductively coupled plasma mass spectrometry after digestion by microwave-induced combustion
Published in Analytical and bioanalytical chemistry (01-09-2010)“…Iodine determination in food samples was performed by inductively coupled plasma mass spectrometry (ICP-MS) after digestion by microwave-induced combustion…”
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6
Direct sampling graphite furnace atomic absorption spectrometry - feasibility of Na and K determination in desalted crude oil
Published in Spectrochimica acta. Part B: Atomic spectroscopy (01-03-2018)“…In this study, Na and K were determined in desalted crude oil by direct sampling graphite furnace atomic absorption spectrometry (DS-GF AAS), with the use of a…”
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7
Determination of Halogens in Coal after Digestion Using the Microwave-Induced Combustion Technique
Published in Analytical chemistry (Washington) (15-03-2008)“…The microwave-induced combustion (MIC) technique was applied for coal digestion and further determination of bromide, chloride, fluoride, and iodide by ion…”
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8
Determination of inorganic pollutants in soil after volatilization using microwave-induced combustion
Published in Spectrochimica acta. Part B: Atomic spectroscopy (01-08-2013)“…Microwave-induced combustion (MIC) was applied for analyte volatilization from soil and subsequent determination of As, Cd and Pb by inductively coupled plasma…”
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9
Focused Microwave-Induced Combustion: A New Technique for Sample Digestion
Published in Analytical chemistry (Washington) (01-03-2010)“…A procedure for sample digestion based on focused microwave-induced combustion (FMIC) is proposed. This system was developed using a commercial focused…”
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10
Challenges and trends for halogen determination by inductively coupled plasma mass spectrometry: A review
Published in Rapid communications in mass spectrometry (01-09-2020)“…Rationale In this review, works published in the past 25 years for fluorine, chlorine, bromine, and iodine determination in several matrices by inductively…”
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11
Furfural production from lignocellulosic biomass by ultrasound-assisted acid hydrolysis
Published in Ultrasonics sonochemistry (01-03-2019)“…•Ultrasound-assisted acid hydrolysis (UAAH) of lignocellulosic biomass conversion into furfural.•Reaction time, ultrasound amplitude, and feedstock amount were…”
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12
Determination of Cl and S in crude oil by ICP-OES after sample digestion by microwave-induced combustion in disposable vessels
Published in Analytica chimica acta (08-09-2023)“…A simple, fast and promising sample preparation method based on microwave-induced combustion in disposable vessels (MIC-DV) was developed for Cl and S…”
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Ultrasound-assisted extraction of chromium from residual tanned leather: An innovative strategy for the reuse of waste in tanning industry
Published in Ultrasonics sonochemistry (01-06-2020)“…•Cr removal from residual tanned leather was feasible using ultrasound energy.•Efficiency higher than 92% was achieved for 30 min ultrasonication at 30 °C.•The…”
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14
Greening microwave-assisted digestion method using hydrogen peroxide for determination of elemental impurities by ICP-OES in antihypertensive active pharmaceutical ingredients
Published in Journal of pharmaceutical and biomedical analysis (20-01-2024)“…Microwave-assisted wet digestion (MAWD) using only H2O2 was proposed for oxidizing active pharmaceutical ingredients (APIs) for hypertension treatment and…”
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Determination of cadmium and lead at sub-ppt level in soft drinks: An efficient combination between dispersive liquid-liquid microextraction and graphite furnace atomic absorption spectrometry
Published in Food chemistry (15-04-2017)“…•Determination of low levels of Cd and Pb by GF AAS in soft drinks.•Simple extraction and pre-concentration steps of Cd and Pb employing DLLME.•Fast extraction…”
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Microwave-assisted wet digestion with H2O2 at high temperature and pressure using single reaction chamber for elemental determination in milk powder by ICP-OES and ICP-MS
Published in Talanta (Oxford) (15-08-2016)“…In this work a green digestion method which only used H2O2 as an oxidant and high temperature and pressure in the single reaction chamber system…”
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A miniaturized liquid-liquid extraction method for further Na, K, Ca, and Mg determination in crude oil by FAAS
Published in Talanta (Oxford) (15-05-2023)“…In this study, a miniaturized liquid-liquid extraction (LLE) method for pre-concentration of Na, K, Ca, and Mg in crude oil was proposed. Analytes in crude oil…”
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18
Determination of elemental impurities in pharmaceutical products and related matrices by ICP-based methods: a review
Published in Analytical and bioanalytical chemistry (01-07-2016)“…Interest in the determination of elemental impurities in pharmaceuticals has increased in recent years because of changes in regulatory requirements and the…”
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Determination of microplastic content in seafood: An integrated approach combined with the determination of elemental contaminants
Published in The Science of the total environment (20-12-2020)“…A method for the determination of microplastic (MP) content in seafood is proposed based on the selective digestion of seafood without the degradation of MP. A…”
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20
Sample preparation methods for subsequent determination of metals and non-metals in crude oil—A review
Published in Analytica chimica acta (09-10-2012)“…[Display omitted] ► Sample preparation strategies used for crude oil in last ten years are discussed. ► Methods related to wet digestion with concentrated…”
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