A novel sensitive non-enzymatic glucose sensor

Kang, Xin Huang; Zhi, Bin; Zou, Xiao Yong; Cai, Pei Xiang; Mo, Jin Yuan

doi:10.1016/j.cclet.2006.12.034

Cited by 23 publications

(17 citation statements)

References 8 publications

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“…The cyclic voltammograms obtained at the different electrodes immersed in 1 mmol L À1 K 3 [Fe(CN) 6 ] solution containing 0.1 mol L À1 KCl were shown in Fig. 2.…”

Section: Resultsmentioning

confidence: 99%

“…Glucose oxidase (GOx), chitosan (93% of deacetylation), Nafion (2 wt.%), acetylferrocene and K 3 [Fe(CN) 6 ] were all purchased from Sigma-Aldrich Co., Ltd. (China). b-D-Glucose was obtained from Beijing Biodee Biotechnology Co., Ltd. (China).…”

Section: Methodsmentioning

confidence: 99%

“…Glucose sensors, including enzyme-based biosensors and nonenzymatic glucose sensors, have been widely studied. Nonenzymatic glucose sensors are fabricated from a variety of electrode materials such as metal (Ni and Cu) [5,6] and metal oxide (Cu 2 O) [7]. Enzymatic glucose sensors can be readily fabricated by immobilizing GOx on various types of electrodes or modified electrodes utilizing nanosize materials, such as carbon nonotubes (CNT) or metal nanoparticles (NP).…”

Section: Introductionmentioning

confidence: 99%

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Glucose biosensor based on new carbon nanotube–gold–titania nano-composites modified glassy carbon electrode

Zhang

et al. 2013

Chinese Chemical Letters

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“…The cyclic voltammograms obtained at the different electrodes immersed in 1 mmol L À1 K 3 [Fe(CN) 6 ] solution containing 0.1 mol L À1 KCl were shown in Fig. 2.…”

Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Glucose biosensor based on new carbon nanotube–gold–titania nano-composites modified glassy carbon electrode

Zhang

et al. 2013

Chinese Chemical Letters

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“…However, the major drawback of enzymatic sensors is their lower shelf life originating from the intrinsic nature of the enzyme [8]. To address this limitation nonenzymatic sensors [9] have tried and they become very popular due to their simple fabrication, high sensitivity and selectivity, remarkable stability against environmental conditions [10,11].…”

Section: Introductionmentioning

confidence: 99%

Highly sensitive and wide-range nonenzymatic disposable glucose sensor based on a screen printed carbon electrode modified with reduced graphene oxide and Pd-CuO nanoparticles

et al. 2015

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A nanocomposite consisting of reduced graphene oxide decorated with palladium-copper oxide nanoparticles (Pd-CuO/rGO) was synthesized by single-step chemical reduction. The morphology and crystal structure of the nanocomposite were characterized by field-emission scanning electron microscopy, high resolution transmission electron microscopy and X-ray diffraction analysis. A 3-electrode system was fabricated by screen printing technology and the PdCuO/rGO nanocomposite was dropcast on the carbon working electrode. The catalytic activity towards glucose in 0.2 M NaOH solutions was analyzed by linear sweep voltammetry and amperometry. The steady state current obtained at a constant potential of +0.6 V (vs. Ag/AgCl) showed the modified electrode to possess a wide analytical range (6 μM to 22 mM), a rather low limit of detection (30 nM), excellent sensitivity (3355 μA mM −1 cm −2 ) and good selectivity over commonly interfering species and other sugars including fructose, sucrose and lactose. The sensor was successfully employed to the determination of glucose in blood serum.

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“…When immobilized in biosensors, GOD is also used for the removal of glucose from pentosan of wheat flour (HOUBEN; RUIJTER; BRUNT, 1997), and health control of farm fish (ENDO et al, 2006). In spite of its wide application, the most common and serious problem of GOD biosensors is their lack of stability because of the intrinsic nature of the enzyme (KANG et al, 2007) In a previous study, we showed a spectrophotometric device for hydrogen peroxide measurement using horseradish peroxidase (HRP) immobilized on polyaniline (FERNANDES et al, 2005). This device was used to measure glucose in a combination with free GOD.…”

Section: Operational Range For Glucose Determination and Operational mentioning

confidence: 99%

Biosensor for determination of glucose in real samples of beverages

Lopes

Batista

et al. 2012

Food Sci. Technol

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A biosensor was developed for spectrophotometric determination of glucose concentrations in real samples of orange juice energetic drinks, and sport drinks. The biosensor consisted of glucose oxidase (GOD) and horseradish peroxidase (HRP) immobilized onto polyaniline activated with glutaraldehyde (PANIG). Immobilization parameters were optimized for GOD, and maximum immobilization yield was 16% when 5.0 mg of PANIG and 8.9 U prepared in 0.1 mol.L-1 sodium phosphate buffer (pH 7.0) reacted for 60 minutes at 4 °C with gentle stirring. The linear operational range for glucose determination using optimized operational parameters was between 0.05 and 6.0 mg.mL-1 with a very good reproducibility of response. The results obtained in the biosensor were compared with those obtained using free enzymes (commercial kits) and then validated through statistical analysis using the Tukey test (95% confidence interval).

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A novel sensitive non-enzymatic glucose sensor

Cited by 23 publications

References 8 publications

Glucose biosensor based on new carbon nanotube–gold–titania nano-composites modified glassy carbon electrode

Glucose biosensor based on new carbon nanotube–gold–titania nano-composites modified glassy carbon electrode

Highly sensitive and wide-range nonenzymatic disposable glucose sensor based on a screen printed carbon electrode modified with reduced graphene oxide and Pd-CuO nanoparticles

Biosensor for determination of glucose in real samples of beverages

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