Search Results - "de Oliveira, Fernanda Midori"
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Supramolecular microextraction combined with paper spray ionization mass spectrometry for sensitive determination of tricyclic antidepressants in urine
Published in Analytica chimica acta (15-04-2020)“…This work describes a novel methodology to analyze four tricyclic antidepressants (amitriptyline, doxepin, imipramine and, nortriptyline) in urine samples by…”
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DEVELOPMENT OF AN ELECTROCHEMICAL SENSOR MODIFIED WITH MWCNT-COOH AND MIP FOR DETECTION OF DIURON
Published in Electrochimica acta (10-11-2015)“…•Sensitive and selective detection of diuron in environmental samples.•Electrochemical sensor modified with MIP and MWCNT-COOH.•Diuron herbicide can have…”
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Synthesis and application of imprinted polyvinylimidazole-silica hybrid copolymer for Pb2+ determination by flow-injection thermospray flame furnace atomic absorption spectrometry
Published in Analytica chimica acta (10-10-2011)“…A novel ion imprinted polyvinylimidazole-silica hybrid copolymer (IIHC) was synthesized and used as a selective solid sorbent for Pb(2+) ions preconcentration…”
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Development of a Molecularly Imprinted Poly(Acrylic Acid)‐MWCNT Nanocomposite Electrochemical Sensor for Tramadol Determination in Pharmaceutical Samples
Published in Electroanalysis (New York, N.Y.) (01-05-2020)“…A new voltammetric sensor based on molecularly imprinted poly(acrylic acid)‐MWCNT nanocomposite (MIP‐MWCNT) drop‐coated onto glassy carbon electrode (GCE) was…”
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Investigation of the performance of cross-linked poly(acrylic acid) and poly(methacrylic acid) as efficient adsorbents in SPE columns for simultaneous preconcentration of tricyclic antidepressants in water samples
Published in Analytical methods (15-12-2022)“…A solid phase extraction-based (SPE) procedure for simultaneous preconcentration of five tricyclic antidepressants (TCAs), amitriptyline hydrochloride (AMT),…”
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Preconcentration of Nickel(II) by a Mini-Flow System with a Novel Ternary Oxide Solid Phase and Flame Atomic Absorption Spectrometry
Published in Analytical letters (23-03-2016)“…A SiO 2 /Al 2 O 3 /Sb 2 O 5 mixed oxide was synthesized via a sol-gel method and applied to the on-line preconcentration of Ni(II) with determination by flame…”
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Development and application of graphite-SiO2/Al2O3/Nb2O5-methylene blue (GRP-SiAlNb-MB) composite for electrochemical determination of dopamine
Published in Arabian journal of chemistry (01-03-2017)“…In the present paper an amperometric sensor based on graphite-SiO2/Al2O3/Nb2O5-methylene blue (GRP-SiAlNb-MB) composite has been successfully prepared for…”
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Extração/pré-concentração de íons cobre no ponto nuvem explorando a formação de complexos com DMIT [4,5-dimercapto-1,3-ditiol-2-tionato]
Published in Química Nova (2012)“…The present study proposes a method for cloud point preconcentration of copper ions at pH 2.0 based on complexes formed with…”
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Assessment of ultrasound-assisted extraction combined with supramolecular solvent-based microextraction for highly sensitive cadmium determination in medicinal plant sample by TS-FF-AAS
Published in Microchemical journal (01-03-2019)“…A new analytical method exploiting supramolecular solvent-based microextraction (SUPRAS) combined with ultrasound-assisted extraction to preconcentrate cadmium…”
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Study on the cross-linked molecularly imprinted poly(methacrylic acid) and poly(acrylic acid) towards selective adsorption of diuron
Published in Reactive & functional polymers (01-03-2016)“…In the present study new molecularly imprinted adsorbents based on poly(methacrylic acid) and poly(acrylic acid) have been synthesized, characterized and…”
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Feasibility study of ethylone determination in seized samples using boron-doped diamond electrode associated with solid phase extraction
Published in Sensors and actuators. B, Chemical (15-04-2018)“…[Display omitted] •For the first time a voltammetric method has been reported for ethylone determination in seized street drugs.•The boron-doped diamond (BDD)…”
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Evaluation of a new water-compatible hybrid molecularly imprinted polymer combined with restricted access for the selective recognition of folic acid in binding assays
Published in Journal of applied polymer science (05-06-2016)“…ABSTRACT This article deals with the synthesis of an organic−inorganic hybrid molecularly imprinted poly(methacrylic acid‐trimethylolpropane…”
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Assessment on the performance of nano-carbon black as an alternative material for extraction of carbendazim, tebuthiuron, hexazinone, diuron and ametryn
Published in Journal of environmental chemical engineering (01-02-2017)“…The aim of this study is to evaluate the adsorptive performance of nano-carbon black for removing pesticides from aqueous media. The characterization of…”
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Synthesis of Surface Molecularly Imprinted Poly(methacrylic acid-hemin) on Carbon Nanotubes for the Voltammetric Simultaneous Determination of Antioxidants from Lipid Matrices and Biodiesel
Published in Electrochimica acta (10-09-2016)“…This paper reports the synthesis of novel nanocomposite based on multi-walled carbon nanotubes (MWCNT) covalently bonded by molecularly imprinted…”
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Selective and sensitive voltammetric determination of folic acid using graphite/restricted access molecularly imprinted poly(methacrylic acid)/SiO2 composite
Published in Journal of electroanalytical chemistry (Lausanne, Switzerland) (01-06-2018)“…The present study demonstrates the development of a voltammetric sensor based on graphite/restricted access molecularly imprinted poly(methacrylic acid)/SiO2…”
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On-line micro-solid phase preconcentration of Cd2+ coupled to TS-FF-AAS using a novel ion-selective bifunctional hybrid imprinted adsorbent
Published in Microchemical journal (01-03-2017)“…A novel hybrid ion imprinted polymer (HIIP) is proposed aiming at the development of an online micro-solid phase preconcentration system of Cd2+ coupled to…”
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Kinetic and Isotherm Studies of Ni2+Adsorption on Poly(methacrylic acid) Synthesized through a Hierarchical Double-Imprinting Method Using a Ni2+ Ion and Cationic Surfactant as Templates
Published in Industrial & engineering chemistry research (26-06-2013)“…A novel poly(methacrylic acid) material (IIP/CTAB) was prepared by a hierarchical double-imprinting process with Ni2+ ion and cationic…”
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Simultaneous determination of hydrochlorothiazide and valsartan in combined dosage forms: Electroanalytical performance of cathodically pretreated boron-doped diamond electrode
Published in Journal of electroanalytical chemistry (Lausanne, Switzerland) (15-10-2014)“…•Hydrochlorothiazide and valsartan are determined simultaneously by voltammetry.•This is a first simultaneous voltammetric method for both analytes.•A…”
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Selective and sensitive voltammetric determination of folic acid using graphite/restricted access molecularly imprinted poly(methacrylic acid)/SiO^sub 2^ composite
Published in Journal of electroanalytical chemistry (Lausanne, Switzerland) (01-06-2018)“…The present study demonstrates the development of a voltammetric sensor based on graphite/restricted access molecularly imprinted poly(methacrylic acid)/SiO2…”
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Synthesis and characterization of cross-linked molecularly imprinted polyacrylamide for the extraction/preconcentration of glyphosate and aminomethylphosphonic acid from water samples
Published in Reactive & functional polymers (01-10-2014)“…The present study describes the synthesis of molecularly imprinted polyacrylamide and its applications for the selective adsorption of glyphosate (GP) and its…”
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