Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Luisa-Roxana Popescu Mandoc"'
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Determination of Cadmium(ii), Copper(ii), Mercury(ii), and Lead(ii) in Water Using Stochastic Sensors Based on Graphite and Diamond Paste Modified with 1H-Pyrrole-1-Hexanoic Acid
Autor: Raluca-Ioana Stefan-van Staden, Jacobus F. van Staden, Livia Alexandra Gugoasa, Luisa-Roxana Popescu-Mandoc
Publikováno v: Analytical Letters. 52:803-812
Graphite/diamond pastes modified with 1H-pyrrole-1-hexanoic acid were used for the design of stochastic sensors. The proposed stochastic sensors were used to determine four heavy metals, copper(II)...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b838969a09320afc63ea55fdfa55e401
https://doi.org/10.1080/00032719.2018.1496444
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4
Fluorimetric determination of nitrite in water using a novel fluorescent dye
Autor: Jacobus F. van Staden, Ramona Georgescu-State, Luisa-Roxana Popescu-Mandoc
Publikováno v: Microchemical Journal. 137:418-421
A simple, sensitive and selective fluorimetric method for the determination of trace amounts of nitrite in different water samples (e.g., underground water, geothermal waste water, domestic waste water and drinking water) was proposed. The fluorimetr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::04919dd6318d5d5da616abeabcca7f1f
https://doi.org/10.1016/j.microc.2017.11.021
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5
Pattern recognition of Cu(II), Pb(II), Hg(II), and Cd(II) in waste waters
Autor: Raluca-Ioana Stefan-van Staden, Luisa-Roxana Popescu Mandoc, Eleonora-Mihaela Ungureanu, Iuliana Moldoveanu
Publikováno v: Microsystem Technologies. 23:1141-1145
Pattern recognition of Cu(II), Pb(II), Hg(II) and Cd(II) in waste waters collected from a mining area, was performed using a fast screening method based on a new stochastic sensor. The stochastic sensor is based on physical immobilization of N,Nź-et
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a1d8972d9ba569f3d854bcad7ed1ddf2
https://doi.org/10.1007/s00542-016-3039-4
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7
Synthesis and electrochemical characterization of original 'TEMPO' functionalized multiwall carbon nanotube materials: Application to iron (II) detection
Autor: Karine Gorgy, Luisa-Roxana Popescu Mandoc, Kamal Elouarzaki, Cristina-Andreea Amarandei, Michael Holzinger, Serge Cosnier, Eleonora-Mihaela Ungureanu
Publikováno v: Electrochemistry Communications, Vol 60, Iss, Pp 131-134 (2015)
Electrochemistry Communications
Electrochemistry Communications, Elsevier, 2015, 60, pp.131-134. ⟨10.1016/j.elecom.2015.08.024⟩
We report the synthesis and electrochemical behavior of an original catalyst bearing a 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO) unit and a pyrene group. Anchoring of this bi-functional molecule by π -stacking onto multiwalled carbon nanotubes al
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a0256a9db4317ce7c03ccf4983bb4045
http://www.sciencedirect.com/science/article/pii/S1388248115002416
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8
Voltammetric sensing of lead and cadmium using poly(4-azulen-1-yl-2,6-bis(2-thienyl)pyridine) complexing films
Autor: Luisa-Roxana Popescu Mandoc, George-Octavian Buica, Liviu Birzan, Eleonora-Mihaela Ungureanu, Alexandru C. Razus
Publikováno v: Journal of Electroanalytical Chemistry. 693:67-72
Complexing polymer-coated electrodes have been synthesized by oxidative electropolymerization of 4-azulen-1-yl-2,6-bis(2-thienyl)pyridine (monomer L). The novel chelating chemically modified electrodes were used for the electrochemical detection of P
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cbc68081185c61077d97e59345de09e1
https://doi.org/10.1016/j.jelechem.2013.01.034
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9
Permeability improvements of electropolymerized polypyrrole films using dissolvable nano-CaCO3 particle templates
Autor: Eleonora-Mihaela Ungureanu, Serge Cosnier, Michael Holzinger, Luisa-Roxana Popescu Mandoc, Karine Gorgy, George-Octavian Buica
Publikováno v: Physical Chemistry Chemical Physics
Physical Chemistry Chemical Physics, Royal Society of Chemistry, 2014, 16 (11), ⟨10.1039/C3CP55100H⟩
The electropolymerisation of N-substituted pyrroles on a dissolvable calcium carbonate nanoparticle template was investigated in order to improve the film permeabilities in aqueous solution. After deposition of CaCO3 nanoparticles on the electrode su
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec2fadaf3057c450b6a4d0b019252d47
https://hal.archives-ouvertes.fr/hal-01652338
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