Search Results - "Dias, Fabio de Souza"
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Determination of Manganese in Cassava Leaves by Slurry Sampling Flame Atomic Absorption Spectrometry
Published in Analytical letters (01-01-2009)“…Cassava, Manihot esculenta crantz, constitutes one of the main foods consumed by most of the population of developing countries, mainly in the population of…”
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2
Mixture design and Doehlert matrix for optimization of the ultrasonic assisted extraction of caffeic acid, rutin, catechin and trans-cinnamic acid in Physalis angulata L. and determination by HPLC DAD
Published in Microchemical journal (01-09-2018)“…The present article describes the development of an ultrasonic assisted extraction of phenolic compounds in Physalis angulata and determination of caffeic…”
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3
Application of constrained mixture design and Doehlert matrix in the optimization of dispersive liquid-liquid microextraction assisted by ultrasound for preconcentration and determination of cadmium in sediment and water samples by FAAS
Published in Microchemical journal (01-01-2017)“…A dispersive liquid-liquid microextraction assisted by ultrasound (USADLLME) with 5-(4-Dimethylaminobenzylidene)Rhodanine procedure has been developed for…”
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4
Physiological, nutritional, and biochemical indicators of lead tolerance in sunflower genotypes
Published in Semina. Ciências agrárias : revista cultural e científica da Universidade Estadual de Londrina (01-07-2022)“…This study aimed to select and classify sunflower genotypes tolerant to lead (Pb) stress and evaluate their capacity of phytoextraction based on physiological,…”
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5
Support vector machine in the elementomic evaluation of arugula (Eruca Sativa) and lettuce (Lactuca sativa) grown in soils from a decommissioned mining area
Published in Journal of food composition and analysis (01-11-2024)“…Potentially toxic metals (PTMs) in plants are absorbed and accumulated in various parts of the plants. Due to the risk associated with consuming vegetables…”
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6
Mixture Design Optimization of an Analytical Procedure for Iron Extraction and Determination From Cassava Leaves by Slurry Sampling Flame Atomic Absorption Spectrometry
Published in Spectroscopy letters (01-09-2011)“…This paper applies statistical simplex-centroid design to mixture modeling for optimization of the liquid phase composition of cassava slurry leaves in the…”
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Analysing chemical composition and antimicrobial activity of geopropolis from Melipona scutellaris : HPLC-DAD and in vitro/in silico investigations
Published in Natural product research (22-06-2024)“…This study evaluated the chemical profile, antimicrobial activity, and the presence of potentially toxic elements in geopropolis extracts produced by in the…”
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Essential and Potentially Toxic Elements from Brazilian Geopropolis Produced by the Stingless Bee Melipona quadrifasciata anthidioides Using ICP OES
Published in Biological trace element research (01-09-2021)“…Melipona quadrifasciata anthidioides is a species of stingless bee popularly known in Brazil as “mandaçaia”. Products derived from bees for food and…”
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Biosorption of Pb(II) and Cd(II) ions by Agave sisalana (sisal fiber)
Published in Microchemical journal (01-03-2011)“…The present work proposes the use of Agave sisalana (sisal fiber) as an natural adsorbent for ions Pb(II) and Cd(II) biosorption from natural waters. The flame…”
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10
Optimization and validation of a method for the direct determination of catechin and epicatechin in red wines by HPLC/fluorescence
Published in Microchemical journal (01-09-2010)“…The present paper describes a direct procedure for the determination of catechin and epicatechin concentrations in red wines employing reverse-phase high…”
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11
Efficiency of two digestion methods in determining the presence of metals (Cd, Cu, Cr, Pb and Zn) in geopropolis produced by Melipona scutellaris
Published in Revista colombiana de química (01-05-2021)“…This study evaluates the efficiency of acid extraction and total digestion to determine the presence of metals in geopropolis produced by the stingless bee…”
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12
Development and optimization of analytical method for the determination of cadmium from mineral water samples by off-line solid phase extraction system using sisal fiber loaded TAR by FAAS
Published in Microchemical journal (01-01-2013)“…In the present work, a minicolumn of sisal fiber loaded with tiazolylazo-Resorsinol (TAR) is proposed a preconcentration system for cadmium determination in…”
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13
Multielement Determination in Medicinal Plants and Herbal Medicines Containing Cynara scolymus L., Harpagophytum procumbens D.C., and Maytenus ilifolia (Mart.) ex Reiss from Brazil Using ICP OES
Published in Biological trace element research (01-06-2021)“…Worldwide, medicinal plants and herbal medicines are widely consumed. The aim of this study was to determine macro- (Ca, K, Mg, Na, and P) and microelements…”
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14
Physical characterization of geopropolis produced by Melipona scutellaris (Hymenoptera: Apidae)
Published in Journal of apicultural research (20-10-2023)“…Geopropolis has medicinal potential and has been studied due to its complex chemical composition, with more than 300 compounds already identified. However, its…”
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15
Determination of Quercetin, Gallic Acid, Resveratrol, Catechin and Malvidin in Brazilian Wines Elaborated in the Vale do São Francisco Using Liquid–Liquid Extraction Assisted by Ultrasound and GC-MS
Published in Food analytical methods (01-06-2013)“…In this work, a fast and simple methodology has been applied for the determination of gallic acid, resveratrol, catechin and malvidin in Brazilian wines by gas…”
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16
Fast Determination of Phenolic Compounds in Brazilian Wines from Vale do São Francisco Region by CE
Published in Chromatographia (01-05-2013)“…Six phenolic compounds were separated and determined by capillary zone electrophoresis in red wine from Brazil’s region Vale do São Francisco with total…”
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A Study of the Chromatic Characteristics of Uca Uruguayensis Nobili, 1901, During Diurnal and Nocturnal Phases (Decapoda, Brachyura, Ocypodidae)
Published in Crustaceana (01-01-1991)“…The present work was undertaken to investigate the rhythm of dispersion and aggregation of erythrophores, melanophores and leucophores in Uca uruguayensis in…”
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A Study of the Chromatic Characteristics of Uca uruguayensis Nobili, 1901, during Diurnal and Nocturnal Phases (Decapoda, Brachyura, Ocypodidae)
Published in Crustaceana (01-05-1991)“…Pendant deux ans les réponses des chromatophores ont été étudiées chez Uca uruguayensis. Après l'ablation des pédoncules oculaires, les animaux ont reçu des…”
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