Preconcentration and determination of diazepam in pharmaceutical and biological samples by graphene oxide based on dispersive solid phase microextraction

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Mirzaei Nazpari; REZAEI VIDA; Aibaghi Behzad

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Journal: JOURNAL OF APPLIED CHEMISTRY Year:2019 | Volume:14 | Issue:51 Page(s): 21-33

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Information Journal Paper

Title

Preconcentration and determination of diazepam in pharmaceutical and biological samples by graphene oxide based on dispersive solid phase microextraction

Author(s)

Mirzaei Nazpari | REZAEI VIDA | Aibaghi Behzad | Issue Writer Certificate

Keywords

DiazepamQ1

Dispersive solid phase microextractionQ1

preconcentrationQ1

Graphene OxideQ1

HPLCQ1

Abstract

Graphene Oxide (GO) has a great potential to use as an adsorbent in sample preparation procedures. In this research, GO was used as an effective adsorbent in a simple GO-based dispersive micro-solid phase extraction technique coupled with high-performance liquid chromatography-UV detector (HPLC-UV) for the determination of Diazepam. The prepared GO was characterized by X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy and scanning electron microscope (SEM) techniques. Various experimental parameters affecting the extraction recovery were investigated and optimized. Under the optimized conditions, a linear response was obtained in the concentration range of 1– 100 ng mL− 1 with a detection limit of 0. 20 ng mL− 1. It also showed reproducible results with relative standard deviation of 3. 6 and 1. 3 % for 10 and 80 ng mL− 1 of Zn (II), respectively. The method was successfully applied to the Diazepam analysis in biological and pharmaceutical samples.

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APA: Copy

Mirzaei, Nazpari, REZAEI, VIDA, & Aibaghi, Behzad. (2019). Preconcentration and determination of diazepam in pharmaceutical and biological samples by graphene oxide based on dispersive solid phase microextraction. JOURNAL OF APPLIED CHEMISTRY, 14(51 ), 21-33. SID. https://sid.ir/paper/400588/en

Vancouver: Copy

Mirzaei Nazpari, REZAEI VIDA, Aibaghi Behzad. Preconcentration and determination of diazepam in pharmaceutical and biological samples by graphene oxide based on dispersive solid phase microextraction. JOURNAL OF APPLIED CHEMISTRY[Internet]. 2019;14(51 ):21-33. Available from: https://sid.ir/paper/400588/en

IEEE: Copy

Nazpari Mirzaei, VIDA REZAEI, and Behzad Aibaghi, “Preconcentration and determination of diazepam in pharmaceutical and biological samples by graphene oxide based on dispersive solid phase microextraction,” JOURNAL OF APPLIED CHEMISTRY, vol. 14, no. 51 , pp. 21–33, 2019, [Online]. Available: https://sid.ir/paper/400588/en

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