2020
DOI: 10.1016/j.fochx.2020.100085
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Green tea extract assisted green synthesis of reduced graphene oxide: Application for highly sensitive electrochemical detection of sunset yellow in food products

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Cited by 64 publications
(24 citation statements)
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“…After that, the solution was washed with water to remove excess green tea powder [ 59 ]. Alternatively, 10 mL green tea extract was added dropwise to 20 mL of GO aqueous suspension (0.5 mg/mL) within 45 min and the mixture was refluxed at 60 °C for 6 h before precipitation of rGO out of the solution [ 60 , 61 ].…”
Section: Preparation Of Reduced Graphene Oxide (Rgo) By Chemical Rmentioning
confidence: 99%
“…After that, the solution was washed with water to remove excess green tea powder [ 59 ]. Alternatively, 10 mL green tea extract was added dropwise to 20 mL of GO aqueous suspension (0.5 mg/mL) within 45 min and the mixture was refluxed at 60 °C for 6 h before precipitation of rGO out of the solution [ 60 , 61 ].…”
Section: Preparation Of Reduced Graphene Oxide (Rgo) By Chemical Rmentioning
confidence: 99%
“…UV-vis spectroscopy: Aqueous dispersions (0.01 g/L) of GO and rGO-g were submitted to sonication for 15 min. The experiments were carried out in triplicate with a Cary 100 Conc spectrophotometer (Santa Clara, CA, USA) within the 200-900 nm range [32].…”
Section: Characterizationsmentioning
confidence: 99%
“…The electrocatalytic response of carbon paste electrodes modified rGO was also investigated toward 10 μM SY's electrochemical oxidation. The rGO/CPE shows high sensitivity (2328 μA mM -1 ) with a linear range between 0.05-10 μM and 27 nM detection limit was achieved [147]. Recently, S. Nazarpour et al described a novel method synthesis of reduced graphene oxide/gold nanoparticles (rGO/AuNPs) for the direct determination of L-tryptophan (Try).…”
Section: Carbon Based Nanomaterials and Its Electrochemical Sensing Applicationsmentioning
confidence: 99%
“…14.63 μM 9.5 ascorbic acid -AuNPs [131] chitosan DPV -5.00 × 10 −8 M to 2.00 × 10 −3 M 2.50 × 10 −8 M 7.0 Caffeic Acid -Au-Ag bionanocomp osite [134] peanut skin extract Cyclic voltammo gram -10 to 80 μM 4 μM -Sudan IV -Pt-Re NPs/PAC [135] Cassia fistula (golden shower) fruit DPV 19.20μAμ M -1 cm -2 0.2-117.7μ M 20.8nM 7.0 furazolidone -ZnONps [138] chakkotafruit juice Amperogr am -50 to 250 nM 6 nM 7.4 dopamine -CuO [139] Caesalpiniabondu cella seed extract Square-Wave Voltamme try -3.13−5 6.3 nM 1.04 nM 5.0 riboflavin -CuO/Cu2O [140] Gum Arabic (GA)acacia tree DyMnO3-ZnO [141] Vitisvinifera, Hibiscus sabdariffa and rhus juices DPV -0.11 and 125.87 μM 10.10 nM 9.0 atenolol -ZnFe2O4 [142] MoringaOleiferae xtract EIS ------ZnFe2O4 [143] Jatropha extract Cyclic voltammo grams -1-8 and 1-7 and 1-8 mM --Paracetamol, Dolo 650 and Mifepristone -Misoprostol -CNPs [146] Castor oil DPV -1×10 -7 -1000× 10 -7 M 0.12 μM 7.0 Dopamine -rGO [147] green tea extract DPV 2328 μAmM -1 0.05-10μM 27 nM 4.0 sunset yellow -rGO/AuNPs [14 8] E. tereticornis leave DPV -0.5-500 μmol/L 0.39 μmol/L 6.0 L-tryptophan -Pd-rGO [149] Fenugreek seeds Hanes-Woolf plot…”
Section: Lead Poisoning 6 Smentioning
confidence: 99%