Search Results - "Lupu, Stelian"

Electrochemical sensors based on antimony tin oxide-Prussian blue screen-printed electrode and PEDOT-Prussian blue for potassium ion detection by Leau, Sorina Alexandra, Lete, Cecilia, Marin, Mariana, del Campo, Francisco Javier, Diaconu, Ioana, Lupu, Stelian

“…The development and analytical applications of electrochemical sensors based on antimony tin oxide (ATO)–Prussian blue (PB) screen-printed electrode (SPE) and…”
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Electrochemical Sensing Platform Based on Metal Nanoparticles for Epinephrine and Serotonin by Leau, Sorina Alexandra, Lete, Cecilia, Matei, Cristian, Lupu, Stelian

“…A sensing platform based on nanocomposite materials composed of gold metal nanoparticles (AuNPs) and conducting polymer (CP) matrix has been developed for…”
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Nanocomposite Materials based on Metal Nanoparticles for the Electrochemical Sensing of Neurotransmitters by Leau, Sorina-Alexandra, Lete, Cecilia, Lupu, Stelian

“…Neurotransmitters (NTs) are known as endogenous chemical messengers with important roles in the normal functioning of central and peripheral nervous systems…”
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Assessment of the Polyphenol Indices and Antioxidant Capacity for Beers and Wines Using a Tyrosinase-Based Biosensor Prepared by Sinusoidal Current Method by García-Guzmán, Juan José, López-Iglesias, David, Cubillana-Aguilera, Laura, Lete, Cecilia, Lupu, Stelian, Palacios-Santander, José María, Bellido-Milla, Dolores

“…The application of a novel Poly(3,4-ethylenedioxythiophene)-Tyrosinase/Sonogel-Carbon electrode (PEDOT-Tyr/SNGC) biosensor to beers and wines analysis is…”
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A Sensitive Electrochemical Sensor Based on Sonogel-Carbon Material Enriched with Gold Nanoparticles for Melatonin Determination by Lete, Cecilia, López-Iglesias, David, García-Guzmán, Juan José, Leau, Sorina-Alexandra, Stanciu, Adina Elena, Marin, Mariana, Palacios-Santander, José Maria, Lupu, Stelian, Cubillana-Aguilera, Laura

“…In this work, the development of an electrochemical sensor for melatonin determination is presented. The sensor was based on Sonogel-Carbon electrode material…”
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MeNPs-PEDOT Composite-Based Detection Platforms for Epinephrine and Quercetin by Leau, Sorina Alexandra, Marin, Mariana, Toader, Ana Maria, Anastasescu, Mihai, Matei, Cristian, Lete, Cecilia, Lupu, Stelian

“…The development of low-cost, sensitive, and simple analytical tools for biomolecule detection in health status monitoring is nowadays a growing research topic…”
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Development of amperometric biosensors based on nanostructured tyrosinase-conducting polymer composite electrodes by Lupu, Stelian, Lete, Cecilia, Balaure, Paul Cătălin, Caval, Dan Ion, Mihailciuc, Constantin, Lakard, Boris, Hihn, Jean-Yves, Javier del Campo, Francisco

“…Bio-composite coatings consisting of poly(3,4-ethylenedioxythiophene) (PEDOT) and tyrosinase (Ty) were successfully electrodeposited on conventional size gold…”
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Morphological characterization and analytical application of poly(3,4-ethylenedioxythiophene)–Prussian blue composite films electrodeposited in situ on platinum electrode chips by Lupu, Stelian, Lakard, Boris, Hihn, Jean-Yves, Dejeu, Jérôme, Rougeot, Patrick, Lallemand, Séverine

“…Electrochemical in situ preparation and morphological characterization of inorganic redox material-organic conducting polymer coatings as thin films on…”
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New Developments in Electrochemical Sensors Based on Poly(3,4-ethylenedioxythiophene)-Modified Electrodes by Lupu, Stelian

“…There is a growing demand for continuous, fast, selective, and sensitive monitoring of key analytes and parameters in the control of diseases and health…”
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In situ electrochemical preparation and characterization of PEDOT–Prussian blue composite materials by Lupu, Stelian

“…Cyclic voltammograms recorded at PEDOT–PB-soluble composite modified electrodes prepared by potentiodynamic and galvanostatic methods. [Display omitted] ▶…”
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Poly(3,4-ethylenedioxythiophene)-modified electrodes for tryptophan voltammetric sensing by Karabozhikova, Vasilena, Tsakova, Vessela, Lete, Cecilia, Marin, Mariana, Lupu, Stelian

“…Poly(3,4-ethylenedioxythiophene) (PEDOT) layers are obtained by electrochemical polymerization under potentiostatic (PS) or sinusoidal voltage (SV) control…”
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Electrochemical determination of α-lipoic acid in human serum at platinum electrode by Marin, Mariana, Lete, Cecilia, Manolescu, Bogdan Nicolae, Lupu, Stelian

“…•The oxidation of lipoic acid (LA) at Pt and GC electrodes was investigated.•The influence of pH and NaCl was established.•The linear response range is from 50…”
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Electrochemical sensors based on platinum electrodes modified with hybrid inorganic–organic coatings for determination of 4-nitrophenol and dopamine by Lupu, Stelian, Lete, Cecilia, Marin, Mariana, Totir, Nicolae, Balaure, Paul Catalin

“…New electrochemical sensors for dopamine (DA) and phenol derivative, based on hybrid inorganic redox material-organic conducting polymers, were developed…”
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Multi-analyte determination of dopamine and catechol at single-walled carbon nanotubes – Conducting polymer – Tyrosinase based electrochemical biosensors by Lete, Cecilia, Lupu, Stelian, Lakard, Boris, Hihn, Jean-Yves, del Campo, Francisco Javier

“…Cyclic voltammograms recorded simultaneously in bipotentiostatic mode at a device including a Au-IDE/PEDOT–CNT–Ty–GAD biosensor (solid line) and a Au-IDE/PEDOT…”
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Silver nanostructures - poly(3,4-ethylenedioxythiophene) sensing material prepared by sinusoidal voltage procedure for detection of antioxidants by García-Guzmán, Juan José, López-Iglesias, David, Cubillana-Aguilera, Laura, Bellido-Milla, Dolores, Palacios-Santander, José María, Marin, Mariana, Grigorescu, Sorin Dan, Lete, Cecilia, Lupu, Stelian

“…This work is focused on the investigation of a composite material based on silver nanoparticles (AgNPs) and poly(3,4-ethylenedioxythiophene) (PEDOT) as sensing…”
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Electrochemical Sensing of Neurotransmitters Using a Metal Nanoparticle-Based Composite Platform by Stelian Lupu, Sorina-Alexandra Leau, Cecilia Lete, Ioana Diaconu, Cristian Matei

“…Neurotransmitters play important roles in the normal functioning of the central nervous system. The accurate and sensitive quantification of neurotransmitters…”
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Novel Platforms for the Electrochemical Sensing of Antioxidant Compounds by Cecilia Lete, Mariana Marin, Sorina-Alexandra Leau, Maria Marcu, Stelian Lupu

“…Quercetin (QR-3,3′,4′,5,7-pentahydroxylflavone) is very well known as a strong antioxidant with anti-inflammatory, antiviral, antineoplastic, and…”
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Use of sinusoidal voltages with fixed frequency in the preparation of tyrosinase based electrochemical biosensors for dopamine electroanalysis by Lete, Cecilia, Lakard, Boris, Hihn, Jean-Yves, del Campo, Francisco Javier, Lupu, Stelian

“…•Electrochemical biosensors were prepared using sinusoidal voltages of selected frequency.•The beneficial effect of the sinusoidal voltages on biosensors…”
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Electrochemical and microgravimetric studies of poly[3,4-ethylenedioxythiophene]-tyrosinase biocomposite material electrodeposited onto gold electrodes by a sinusoidal voltages method by Lete, Cecilia, Berger, Daniela, Matei, Cristian, Lupu, Stelian

“…The electrodeposition of poly(3,4-ethylenedioxythiophene)-tyrosinase (PEDOT-Ty) biocomposite material onto gold electrode has been achieved by means of a…”
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Dopamine Electroanalysis Using Electrochemical Biosensors Prepared by a Sinusoidal Voltages Method by Lupu, Stelian, Lete, Cecilia, Javier del Campo, Francisco

“…A biocomposite material of tyrosinase and poly(3,4‐ethylenedioxythiophene) was electrodeposited onto gold (Au) disk microelectrode arrays and Au interdigitated…”
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