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A Sensitive Voltammetric Detection of Pramipexole Based on 1,1,3,3-tetramethyldisilazanecarbon Nanotube Modified Electrode

A Sensitive Voltammetric Detection of Pramipexole Based on 1,1,3,3-tetramethyldisilazanecarbon Nanotube Modified Electrode

Saeede Amirighadi, Jahan Bakhsh Raoof, Fereshteh Chekin, Reza Ojani

Mater Sci Eng C Mater Biol Appl. 2017 Jun 1;75:784-790.

PMID: 28415529

Abstract:

A simple low-cost method is proposed to fabricate a functionalized multi-wall carbon nanotube (MWCNT) with 1,1,3,3-tetramethyldisilazane (TMDS) molecule. The techniques of scanning electron microscope (SEM) with electron diffraction and energy dispersive X-ray (EDAX) analysis were applied to characterize the functionalized TMDS-MWCNT. The results showed that a MWCNT with high functionalization of TMDS can be obtained using this simple method. A new nanostructure sensor was constructed based on a glassy carbon electrode modified with TMDS-MWCNT (TMDS-MWCNT/GCE). It was found that the TMDS-MWCNT/GCE exhibits good catalytic activity toward oxidation of pramipexole (PPX) drug, leading to a concentration range of 0.8 to 600μM with a detection limit of 0.2μM at 3σ using the differential pulse voltammetry technique, a sensitivity of 0.084μAμM-1, and a correlation coefficient of 0.991. Furthermore, the TMDS-MWCNT/GCE was used for PPX detection in tablets and human blood serum samples. The method showed no interference from tablet excipients; hence, it can be useful and fit for the quantification of PPX in bulk and tablet dosage forms. The proposed method was validated successfully as applied to the quantification of the drug in tablet dosage forms. The accuracy of detection results using the proposed method was evaluated as excellent comparing with those obtained by the reference method.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP15933592	1,1,3,3-Tetramethyldisilazane		15933-59-2	Price

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