An enzyme electrode forl-lactate with a chemically-amplified response
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Electrochemistry in bicontinuous microemulsions based on control of dynamic solution structures on electrode surfaces
2016, Current Opinion in Colloid and Interface ScienceCitation Excerpt :This selectivity enables us to construct a current amplification system solely with the F-nanocarbon film electrode in combination with a ferrocene mediator and Fe2 + as a reductant, as outlined in Fig. 8(a)[39•]. Current amplification systems for electron transfer mediators have been widely studied using an enzyme-modified electrode to improve the sensitivity and detection limit of various biomolecules [44]. If a current amplification system is created by redox cycling with an F-nanocarbon film electrode, the system can be used for bioelectroanalysis with a lower concentration and a high S/N ratio because the electrochemical inactivity of the F-nanocarbon film suppresses the direct oxidation of Fe2 + ions at the fluorinated surface.
Fluorinated Nanocarbon Film Electrode Capable of Signal Amplification for Lipopolysaccharide Detection
2016, Electrochimica ActaCitation Excerpt :We expect this selectivity to enable us to construct a current amplification system in combination with a relatively hydrophobic and outer-sphere ferrocene mediator and hydrophilic and inner-sphere Fe2+/3+ as a reductant. Current amplification systems for electron transfer mediators have been widely studied by using an enzyme-modified electrode to improve the sensitivity and detection limit of various biomolecules [20,21]. If we achieve a current amplification system by redox cycling with an F-nanocarbon film electrode as shown Fig. 1(a), we can expect to use this system for bioelectroanalysis with a lower concentration and a high S/N ratio because the electrochemical inactivity of the F-nanocarbon film suppresses the direct oxidation of Fe2+ ions at a fluorinated surface.
Mathematical model and numerical simulation of inhibition based biosensor for the detection of Hg(II)
2015, Sensors and Actuators, B: ChemicalCitation Excerpt :It was demonstrated that after exposure the glucose biosensor (without any additional reagents) to the high concentration equal to 1 ppm of methyl mercury the response of glucose remained constant, whereas the combination of very low concentration of invertase enzyme and 10 min of incubation time allows the detection of methyl mercury at very low concentration (ppb level) [17]. The mathematical models are a useful tool for the kinetic and geometric analysis of biosensors [18]; Models are developed to simulate enzymatic sensors [19–27] and different configurations composed of mono or multi-layer juxtaposed are investigated [28–31]. Several mathematical models have been developed to describe the amperometric response of glucose sensor [32–36].
Conductometric biosensors
2014, Biological Identification: DNA Amplification and Sequencing, Optical Sensing, Lab-On-Chip and Portable SystemsAmperometric enzyme biosensors: Past, present and future
2008, ITBM-RBMElectrochemically amplified detection for lipopolysaccharide using ferrocenylboronic acid
2007, Biosensors and Bioelectronics