2009
DOI: 10.1016/j.talanta.2008.12.010
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An inhibition type amperometric biosensor based on tyrosinase enzyme for fluoride determination

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Cited by 23 publications
(5 citation statements)
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“…There was a linear relationship between L-DOPA concentration ranging from 1.25 Â 10 À6 M to 1 Â 10 À5 M and current (mA) (Fig. 6), which is better than the earlier biosensor based on polyethersulfone membrane [9.09 Â 10 À6 -138 Â 10 À6 M] 15 and artificial membrane [1 Â 10 À2 -8 Â 10 À3 M] 26 but comparable to those based on Fe 3 O 4 MNPs coated carbon nanotube nanocomposites on a glassy carbon electrode (1 Â 10 À8 -3.9 Â 10 À5 M) 27 and gelatin membrane (1-20 mM) 28 and higher than that of ferric oxide nanoparticles and the chitosan nanocomposite bound enzyme (8.3 Â 10 À8 -7 Â 10 À5 M). 17…”
Section: Linearitymentioning
confidence: 70%
“…There was a linear relationship between L-DOPA concentration ranging from 1.25 Â 10 À6 M to 1 Â 10 À5 M and current (mA) (Fig. 6), which is better than the earlier biosensor based on polyethersulfone membrane [9.09 Â 10 À6 -138 Â 10 À6 M] 15 and artificial membrane [1 Â 10 À2 -8 Â 10 À3 M] 26 but comparable to those based on Fe 3 O 4 MNPs coated carbon nanotube nanocomposites on a glassy carbon electrode (1 Â 10 À8 -3.9 Â 10 À5 M) 27 and gelatin membrane (1-20 mM) 28 and higher than that of ferric oxide nanoparticles and the chitosan nanocomposite bound enzyme (8.3 Â 10 À8 -7 Â 10 À5 M). 17…”
Section: Linearitymentioning
confidence: 70%
“…Inhibitors of PPO can be monitored either by measuring the consumption of oxygen with Clark electrode as reported by Asav et al, 2009 or by measuring produced o-quinones. The best substrates of PPO in terms of activity with enzyme and electrochemical reaction of the corresponding oquinones are catechol and tyrosine.…”
Section: Polyphenoloxidase Enzymes (Ppo) Catalyse In Presence Of Oxygmentioning
confidence: 99%
“…All these proteins consist of almost the same area with binuclear copper active, where its Cu I -Cu I deoxy form binds O 2 reversibly. This results in binuclear Cu II unit bound O 2 in the lateral bridge form ( -2 : 2 ) [40][41][42][43].…”
Section: Introductionmentioning
confidence: 99%