Fully reversible fibre-optic glucose biosensor based on the intrinsic fluorescence of glucose oxidase
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Cited by (109)
Robust and magnetically recoverable dual-sensor particles: Real-time monitoring of glucose and dissolved oxygen
2018, Sensors and Actuators, B: ChemicalCitation Excerpt :Monitoring the consumption of oxygen will indirectly reflect the glucose concentration [21]. For the past decades, the principle has been extended to fiber-optic sensing devices, and both indicators and sensing techniques have been improved [22]. Recently, multifunctional particles have attracted great interests and have been used to construct various kinds of micro/nano-devices including biosensors [23,24].
Fluorescence of the Flavin group in choline oxidase. Insights and analytical applications for the determination of choline and betaine aldehyde
2016, TalantaCitation Excerpt :Such kind of changes can be analytically used, direct or indirectly [10,11], for determining the substrates involved in the corresponding reactions. However, starting from the first papers reported by Wolfbeis and Trettnak [12] this has mainly been limited to the determination of glucose using glucose oxidase [13–15]. There are several reasons for this: (1) as it has been indicated, the FAD fluorescence quantum yield cannot be predicted so it is necessary to carry out previous tests to evaluate this possibility for each particular enzyme; (2) because an excess of the substrate, compared to the enzyme, is generally used, the fluorescence intensity experiments some changes during the reaction and it is not easy to relate those changes in the experimental signal to the substrate concentration.
Analytical applications of the optical properties of ferric hemoglobin: A theoretical and experimental study
2014, Microchemical JournalCitation Excerpt :The development of analytical methods based on the use of enzymatic reactions attracts considerable interest, owing to their specificity and reversibility. Within these analytical methods, several research groups have focused on the use of the spectroscopic properties of proteins [1–5], mainly fluorescence. However, as far as we know, the autoindicating fluorescence properties can only be used in those enzymes having flavin groups as coenzymes.
Thermostability of glucose oxidase in silica gel obtained by sol-gel method and in solution studied by fluorimetric method
2011, Journal of Photochemistry and Photobiology B: BiologyCitation Excerpt :The data about influence of glucose on GOD fluorescence in visible region originating from FAD are controversial. Some authors reported that FAD fluorescence in GOD is increasing at the presence of glucose in solution [33,51] or in silica gel [7] while others reported opposite effect in solution [40,52] or in silica gel [33,47]. Addition of ethanol is causing increase of FAD fluorescence (Fig. 4).