A novel method for sensing of methimazole using gold nanoparticle‐catalyzed chemiluminescent reaction

Sheng, Zonghai; Han, Heyou; Yang, Gaodong

doi:10.1002/bio.1207

Cited by 25 publications

(9 citation statements)

References 31 publications

(28 reference statements)

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“…Chemiluminescence (CL), light emission induced by chemical reactions, has been intensively investigated for many years. Due to its many advantages such as high sensitivity, low detection limit and wide linear dynamic ranges that can generally be achieved with simpler instruments, CL and related analytical techniques have been developed as important and powerful tools in different fields (17)(18)(19)(20)(21)(22)(23)(24)(25)(26)(27).…”

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confidence: 99%

CdS nanoparticles‐ enhanced chemiluminescence and determination of baicalin in pharmaceutical preparations

2012

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CdS nanoparticles (CdS NPs) of different sizes were synthesized by the citrate reduction method. It was found that CdS NPs could enhance the chemiluminescence (CL) of the luminol-potassium ferricyanide system and baicalin could inhibit CdS NPs-enhanced luminol-potassium ferricyanide CL signals in alkaline solution. Based on this inhibition, a flow-injection CL method was established for determination of baicalin in pharmaceutical preparations and human urine samples. Under optimized conditions, the linear range for determination of baicalin was 5.0 x 10(-6) to 1.0 x 10(-3) g/L. The detection limit at a signal-to-noise ratio of 3 was 1.7 x 10(-6) g/L. CL spectra, UV-visible spectra and transmission electron microscopy (TEM) were used to investigate the CL mechanism. The method described is simple, selective and obviates the need of extensive sample pretreatment.

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confidence: 99%

CdS nanoparticles‐ enhanced chemiluminescence and determination of baicalin in pharmaceutical preparations

2012

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“…E-mail: fahimehjalali@yahoo.com. chromatography (Blanchflower et al, 1997;Kusmierek and Bald, 2007), gas chromatography-mass spectrometry (Zhang et al, 2005), flow-injection analysis with chemiluminescence detection (Economou et al, 2004), spectrophotometry (Jovanovic et al, 1992), fluorescence probe method (Dong et al, 2009) and gold nanoparticlecatalyzed chemiluminescence reaction (Sheng et al, 2011). Electrochemical methods, due to their advantages such as high sensitivity, high speed, and low-cost have been used in pharmaceutical analysis for a long time.…”

Section: Methimazole Mmzmentioning

confidence: 99%

Electrocatalytic determination of anti-hyperthyroid drug, methimazole, using a modified carbon-paste electrode

Jalali¹

2013

Afr. J. Pharm. Pharmacol.

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The preparation and electrochemical behavior of a carbon-paste electrode modified with an oxovanadium (IV) Schiff-base complex was studied. The modified electrode showed efficient catalysis in the electrochemical oxidation of methimazole (MMZ), an anti-hyperthyroid drug. The catalytic effect was observed for V III oxidation peak which was produced via disproportionation of V IV in acidic solution. The diffusion coefficient (D) of MMZ and the rate constant of catalytic reaction (k) were estimated by chronoamperometry. Determination of MMZ was carried out using differential pulse voltametry. A linear dynamic range of 9 × 10 -7 to 1 × 10 -4 M with a detection limit of 8 × 10 -7 M and a limit of quantitation of 2.6 × 10 -6 M was resulted for the drug. The relative standard deviation for determination of 20 μM of the drug was found to be 1.7%. The method was used for the quantitation of MMZ in pharmaceutical formulations successfully.

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“…Nanoparticles (NPs) have recently attracted strong research attention because of their unique physical and chemical properties. Moreover, NPs are used as nanocatalysts to enhance a variety of CL reactions [21][22][23][24][25][26]. With the development of nanotechnology, researchers demonstrated that the NPs-catalyzed CL system offered potential applications in analytical chemistry.…”

Section: Introductionmentioning

confidence: 99%

Silver Nanoparticle-Enhanced Chemiluminescence Method for Determining Naproxen Based on Europium(III)-Sensitized Ce(IV)-Na2S2O4 Reaction

et al. 2012

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A simple and sensitive chemiluminescence (CL) method coupled with flow-injection technique is proposed to determine naproxen (NAP). The method is based upon the enhancement of the weak CL signal arising from the reaction of Ce(IV) and Na(2)S(2)O(4) with Eu(3+) to form the Eu(3+)-Ce(IV)-Na(2)S(2)O(4) system. The CL intensity was significantly increased by the introduction of NAP into this system in the presence of silver nanoparticles (Ag NPs). Examination of the recorded UV-vis spectra and fluorescence spectra indicated that the energy of the intermediate SO(2)*, which originated from the redox reaction of Ce(IV) and Na(2)S(2)O(4), was transferred to Eu(3+) via NAP and that the process was accelerated by Ag NPs due to their catalytic activity. Under the optimum conditions, the CL intensity was increased with increasing NAP concentration and the correlation was linear (r = 0.9992) over the NAP concentration range of 1-420 ng mL(-1). The limit of detection (LOD) was 0.11 ng mL(-1) with a relative standard deviation (RSD) of 1.15% for 5 replicate determinations of 200 ng mL(-1) NAP. The method was successfully applied to determine NAP in pharmaceutical and biological samples.

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A novel method for sensing of methimazole using gold nanoparticle‐catalyzed chemiluminescent reaction

Cited by 25 publications

References 31 publications

CdS nanoparticles‐ enhanced chemiluminescence and determination of baicalin in pharmaceutical preparations

CdS nanoparticles‐ enhanced chemiluminescence and determination of baicalin in pharmaceutical preparations

Electrocatalytic determination of anti-hyperthyroid drug, methimazole, using a modified carbon-paste electrode

Silver Nanoparticle-Enhanced Chemiluminescence Method for Determining Naproxen Based on Europium(III)-Sensitized Ce(IV)-Na2S2O4 Reaction

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