All Outputs (237)

Adsorption removal of methylene blue from aqueous solution on carbon-coated Fe3O4 microspheres functionalized with chloroacetic acid. (2016)
Journal Article
ZHANG, Z., KIM, C., FERNANDEZ, C., SUNDARAM, M.M., RAMAKRISHNAPPA, T., WANG, Y., WANG, L., SUN, T. and HU, X. 2018. Adsorption removal of methylene blue from aqueous solution on carbon-coated Fe3O4 microspheres functionalized with chloroacetic acid. Science and engineering of composite materials [online], 25(2), pages 353-361. Available from: https://doi.org/10.1515/secm-2016-0138

We report the preparation and employability of carbon-coated Fe3O4 (Fe3O4/C) microspheres functionalized with chloroacetic acid (CAA) for the removal of methylene blue (MB) in aqueous solution. The prepared magnetic microspheres (Fe3O4/C-CAA) were ch... Read More about Adsorption removal of methylene blue from aqueous solution on carbon-coated Fe3O4 microspheres functionalized with chloroacetic acid..

Synergistic electronic pull of graphene oxide supported Pd nanoparticles on enhancing catalytic activity of electro deposited Pt nanoparticles for methanol oxidation reaction. (2016)
Journal Article
YOUSAF, A.B., KHAN, R., IMRAN, M., FERNANDEZ, C., YUAN, C-Z. and SONG, L. 2016. Synergistic electronic pull of graphene oxide supported Pd nanoparticles on enhancing catalytic activity of electro deposited Pt nanoparticles for methanol oxidation reaction. International journal of electrochemical science [online], 11(8), pages 6735-6746. Available from: https://doi.org/10.20964/2016.08.12

Graphene oxide supported clean Pd nanoparticles were synthesized by using CO as a reducing agent. Pt film was deposited on Pd NPs through electrochemical potential cycling method. The as-developed catalyst, which exhibits higher catalytic performance... Read More about Synergistic electronic pull of graphene oxide supported Pd nanoparticles on enhancing catalytic activity of electro deposited Pt nanoparticles for methanol oxidation reaction..

Effect of deflocculation on the efficiency of sludge reduction by Fenton process. (2016)
Journal Article
AMUDHA, V., KAVITHA, S., FERNANDEZ, C., ADISHKUMAR, S. and RAJESH BANU, J. 2016. Effect of deflocculation on the efficiency of sludge reduction by Fenton process. Environmental science and pollution research [online], 23(19), pages 19281-19291. Available from: https://doi.org/10.1007/s11356-016-7118-y

A novel approach to improve the efficiency of Fenton treatment for sludge reduction through the implication of a deflocculating agent citric acid, for the exclusion of extracellular polymeric substances (EPS) from waste-activated sludge (WAS), was in... Read More about Effect of deflocculation on the efficiency of sludge reduction by Fenton process..

Synthesis and characterization of high-quality PbI2 nanopowders from depleted SLA accumulator anode and cathode. (2016)
Journal Article
MALEVU, T.D., OCAYA, R.O., TSHABALALA, K.G. and FERNANDEZ, C. 2016. Synthesis and characterization of high-quality PbI2 nanopowders from depleted SLA accumulator anode and cathode. Applied physics A: materials science and processing [online], 122(7), article 630. Available from: https://doi.org/10.1007/s00339-016-0158-9

High-quality lead iodide (PbI2) nanoparticles were synthesized from both anode and cathode of a discarded sealed lead-acid accumulator as starting materials. The structure, morphology, chemical composition and optical properties of washed PbI2 were i... Read More about Synthesis and characterization of high-quality PbI2 nanopowders from depleted SLA accumulator anode and cathode..

Nutritional and methodological perspectives of zinc ions and complexes: physiological and pathological states. (2016)
Journal Article
MOLINA-LOPEZ, J., PLANELLS DEL POZO, E., FLOREA, D.L., FERNANDEZ, C., OSSO, B.Q., ZALEWSKA, M., KRIZKOVA, S., HEGER, Z., KIZEK, R. and ADAM, V. 2016. Nutritional and methodological perspectives of zinc ions and complexes: physiological and pathological states. International journal of electrochemical science [online], 11(6), pages 4470-4496. Available from: https://doi.org/10.20964/2016.06.38

Zinc, an essential element playing crucial roles in numerous physiological, but also pathological processes, is still one of the most studied elements. The main importance of this metal is especially based on the structural role of zinc ions in many... Read More about Nutritional and methodological perspectives of zinc ions and complexes: physiological and pathological states..

Disposable screen printed sensor for the electrochemical detection of methamphetamine in undiluted saliva. (2016)
Journal Article
BARTLETT, C.-A., TAYLOR, S., FERNANDEZ, C., WANKLYN, C., BURTON, D., ENSTON, E., RANICZKOWSKA, A., BLACK, M. and MURPHY, L. 2016. Disposable screen printed sensor for the electrochemical detection of methamphetamine in undiluted saliva. Chemistry central journal [online], 10, article number 3. Available from: https://doi.org/10.1186/s13065-016-0147-2

Background: Methamphetamine has an adverse effect on the ability to drive safely. Police need to quickly screen potentially impaired drivers therefore a rapid disposable test for methamphetamine is highly desirable. This is the first proof-of-concept... Read More about Disposable screen printed sensor for the electrochemical detection of methamphetamine in undiluted saliva..

Differential pulse voltammetric determination of albendazole and mebendazole in pharmaceutical formulations based on modified sonogel carbon paste electrodes with perovskite-type LaFeO3 nanoparticles. (2016)
Journal Article
DE MACEDO, I.Y.L., GARCIA, L.F., DE SOUZA, A.R., DA SILVA, A.M.L., FERNANDEZ, C., SANTOS, M.D.G., MAGALHÃES, R.S., TORRES, I.M.S. and GIL, E.S. 2016. Differential pulse voltammetric determination of albendazole and mebendazole in pharmaceutical formulations based on modified sonogel carbon paste electrodes with perovskite-type LaFeO3 nanoparticles. Journal of the Electrochemical Society [online], 163(8), pages B428-B434. Available from: https://doi.org/10.1149/2.0661608jes

Benzimidazoles, such as albendazole (AB) and mebendazole (MB), are common anthelmintic agents, widely used throughout the world to combat parasitic diseases. The electroanalytical sensing of AB and MB based on Perovskite-Type LaFeO3 nanoparticles mod... Read More about Differential pulse voltammetric determination of albendazole and mebendazole in pharmaceutical formulations based on modified sonogel carbon paste electrodes with perovskite-type LaFeO3 nanoparticles..

Correlation among physical and electrochemical behaviour of nanostructured electrolytic manganese dioxide from leach liquor and synthetic for aqueous asymmetric capacitor. (2016)
Journal Article
SUNDARAM, M.M., BISWAL, A., MITCHELL, D., JONES, R. and FERNANDEZ, C. 2016. Correlation among physical and electrochemical behaviour of nanostructured electrolytic manganese dioxide from leach liquor and synthetic for aqueous asymmetric capacitor. Physical chemistry chemical physics [online], 18(6), pp. 4711-4720. Available from: https://doi.org/10.1039/C5CP07141K

An attempt has been made to correlate the differences in structural parameters, surface areas, morphology etc. with the electrochemical capacitive behaviour of the EMDs. The nanostructured electrolytic manganese dioxides (EMD) have been synthesized t... Read More about Correlation among physical and electrochemical behaviour of nanostructured electrolytic manganese dioxide from leach liquor and synthetic for aqueous asymmetric capacitor..

Pharmaceutical electrochemistry: the electrochemical oxidation of paracetamol and its voltammetric sensing in biological samples based on screen printed graphene electrodes. (2015)
Journal Article
FERNANDEZ, C., HEGER, Z., KIZEK, R., RAMAKRISHNAPPA, T., BORUN, A. and FAISAL, N.H. 2015. Pharmaceutical electrochemistry: the electrochemical oxidation of paracetamol and its voltammetric sensing in biological samples based on screen printed graphene electrodes. International journal of electrochemical science [online], 10(9), pages 7440-7452. Available from: https://doi.org/10.1016/S1452-3981(23)17361-5

We present a sensitive, fast and unmodified sensor for the electrochemical detection of paracetamol. The electrochemical behaviours of paracetamol on screen printed graphene electrodes were investigated for the first time by cyclic voltammetry. The r... Read More about Pharmaceutical electrochemistry: the electrochemical oxidation of paracetamol and its voltammetric sensing in biological samples based on screen printed graphene electrodes..

Rare elements electrochemistry: the development of a novel electrochemical sensor for the rapid detection of Europium in environmental samples using gold electrode modified with 2-pyridinol-1-oxide. (2015)
Journal Article
CRUICKSHANK, L., OFFICER, S., POLLARD, P., PRABHU, R., STUTTER, M. and FERNANDEZ, C. 2015. Rare elements electrochemistry: the development of a novel electrochemical sensor for the rapid detection of Europium in environmental samples using gold electrode modified with 2-pyridinol-1-oxide. Analytical sciences [online], 31(7), pages 623-627. Available from: https://doi.org/10.2116/analsci.31.623

This work presents for the first time the electrochemical determination of europium using cyclic voltammetry at gold electrodes modified with 2-pyridinol-1-oxide. A well-defined oxidation peak was observed in cyclic voltammetry as a result of the oxi... Read More about Rare elements electrochemistry: the development of a novel electrochemical sensor for the rapid detection of Europium in environmental samples using gold electrode modified with 2-pyridinol-1-oxide..

Pharmaceutical electrochemistry: the electrochemical detection of aspirin utilising screen printed graphene electrodes as sensors platforms. (2015)
Journal Article
KRUANETR, S., PRABHU, R., POLLARD, P. and FERNANDEZ, C. 2015. Pharmaceutical electrochemistry: the electrochemical detection of aspirin utilising screen printed graphene electrodes as sensors platforms. Surface engineering and applied electrochemistry [online], 51(3), pages 283-289. Available from: https://doi.org/10.3103/S1068375515030114

A sensitive electrochemical sensor was designed for acetyl salicylic acid detection using graphene modified Screen Printed Electrodes. The electrochemical response of the sensor with graphene was improved compared to Screen Printed Electrodes without... Read More about Pharmaceutical electrochemistry: the electrochemical detection of aspirin utilising screen printed graphene electrodes as sensors platforms..

Deferiprone, a non-toxic reagent for determination of iron in samples via sequential injection analysis. (2015)
Journal Article
PRAGOURPUN, K., SAKEE, U., FERNANDEZ, C. and KRUANETR, S. 2015. Deferiprone, a non-toxic reagent for determination of iron in samples via sequential injection analysis. Spectrochimica acta, part A: molecular and biomolecular spectroscopy [online], 142, pages 110-117. Available from: https://doi.org/10.1016/j.saa.2015.01.081

We present for the first time the use of deferiprone as a non-toxic complexing agent for the determination of iron by sequential injection analysis in pharmaceuticals and food samples. The method was based on the reaction of Fe(III) and deferiprone i... Read More about Deferiprone, a non-toxic reagent for determination of iron in samples via sequential injection analysis..

Conductance studies of aqueous ionic liquids solutions [emim][BF4] and [bmim][BF4] at temperatures from (283.15 to 318.15) K. (2015)
Journal Article
BORUŃ, A., FERNANDEZ, C. and BALD, A. 2015. Conductance studies of aqueous ionic liquids solutions [emim][BF4] and [bmim][BF4] at temperatures from 283.15 to 318.15 K. International journal of electrochemical science [online], 10(3), pages 2120-2129. Available from: https://doi.org/10.1016/S1452-3981(23)04834-4

We present for the first time the determination of molar conductances, Lambda, of ionic liquids solutions (ILs) such as 1-ethyl-3-methylimidazolium tetrafluoroborate [emim][BF4] and 1-butyl-3-methylimidazolium tetrafluoroborate [bmim][BF4] as a funct... Read More about Conductance studies of aqueous ionic liquids solutions [emim][BF4] and [bmim][BF4] at temperatures from (283.15 to 318.15) K..

The electrochemical and statistical evaluation of isolation of mellitin and apamin from honey bee (Apis Mellifera) venom. (2014)
Journal Article
NGUYEN, H. V., HEGER, Z., KOMINKOVA, M., MICHALEK, P., GUMULEC, J., GURAN, R., PRIDAL, A., FERNANDEZ, C., HYNEK, D., ADAM, V. and KIZEK, R. 2015. The electrochemical and statistical evaluation of isolation of mellitin and apamin from honey bee (Apis Mellifera) venom. International journal of electrochemical science [online] , 10(2), pages 1249-1260. Available from: https://doi.org/10.1016/S1452-3981(23)05069-1

We present in this manuscript for the first time the electrochemical and statistical evaluation of FPLC isolation of mellitin and apamin from honey bee (Apis mellifera) venom. Venoms are extremely complex blends of diverse substances that target a my... Read More about The electrochemical and statistical evaluation of isolation of mellitin and apamin from honey bee (Apis Mellifera) venom..

Electrochemical oxidation of acetyl salicylic acid and its voltammetric sensing in real samples at a sensitive edge plane pyrolytic graphite electrode modified with graphene. (2014)
Journal Article
KRUANETR, S., POLLARD, P., FERNANDEZ, C. and PRABHU, R. 2014. Electrochemical oxidation of acetyl salicylic acid and its voltammetric sensing in real samples at a sensitive edge plane pyrolytic graphite electrode modified with graphene. International journal of electrochemical science [online], 9(10), pages 5699-5711. Available from: https://doi.org/10.1016/S1452-3981(23)08199-3

We present in this manuscript for the first time the electrochemical oxidation of acetyl salicylic acid and its voltammetric sensing in real samples at a sensitive edge plane pyrolitic graphite electrode (EPPGE) modified with graphene. The electroche... Read More about Electrochemical oxidation of acetyl salicylic acid and its voltammetric sensing in real samples at a sensitive edge plane pyrolytic graphite electrode modified with graphene..

Electroanalytical sensing of Flunitrazepam based on screen printed graphene electrodes. (2013)
Journal Article
GARCIA-GUTIERREZ, E. and LLEDO-FERNANDEZ, C. 2013. Electroanalytical sensing of Flunitrazepam based on screen printed graphene electrodes. Chemosensors [online], 1(3), pages 68-77. Available from: https://doi.org/10.3390/chemosensors1030068

We present a new electrochemical sensor for Flunitrazepam using disposable and economic Screen Printed Graphene Electrodes. It was found that the electrochemical response of this sensor was improved compared to Screen Printed Graphite Electrodes and... Read More about Electroanalytical sensing of Flunitrazepam based on screen printed graphene electrodes..

The date rape drug, Flunitrazepam: electroanalytical sensing using electrogenerated chemiluminescence. (2013)
Journal Article
LLEDO-FERNANDEZ, C., POLLARD, P. and ROMEROSA, A. 2014. The date rape drug, Flunitrazepam: electroanalytical sensing using electrogenerated chemiluminescence. International journal of electrochemical science [online], 9(1), pages 227-237. Available from: https://doi.org/10.1016/s1452-3981(23)07711-8

The electro-analytical sensing of Flunitrazepam is reported for the first time utilising [Ru(bpy)3]2+ as a Electrochemiluminescent reagent probe without any sample pre-treatment. The methodology is shown to be useful for quantifying low ng/mL Flunitr... Read More about The date rape drug, Flunitrazepam: electroanalytical sensing using electrogenerated chemiluminescence..