khalaf.ali

Khalaf Ali Fayez Abuamra

استاذ - أستاذ متفرغ

كلية العلوم

العنوان: قسم النبات والميكروبيولوجى -كلية العلوم -جامعة سوهاج

2

إعجاب

المنشورات و المؤلفات التي تحتوي علي الكلمة المفتاحية: Square wave voltammetry


2018-10-12 14:34:29 الكلمات المفتاحية Gallic acid, Epinephrine, Polyepinephrine, Cyclic voltammetry, Square wave voltammetry,
Adsorptive Stripping Voltammetric Determination of Gallic Acid Using an Electrochemical Sensor Based on Polyepinephrine/glassy Carbon Electrode and its Determination in Black Tea Sample
An efficient adsorptive stripping voltammetric (AdSV) method for determination of gallic acid, GA, was developed by using an electrochemical sensor based on polyepinephrine/glassy carbon electrode, PEP/GCE. Modification of GCE with PEP was done by electropolymersation of epinephrine, EP, in 0.2 M phosphate buffer solution using cyclic voltammetry, cv. A well-defined redox cv wave of epinephrine in potential range of -0.10 ... إقراء المزيد

2018-10-12 14:30:32 الكلمات المفتاحية Peanut hulls, Carbon black, Luteolin, Square wave voltammetry, Adsorptive, Cyclic voltammetry,
Electroanalytical Determination of Luteolin in Peanut Hulls Using Carbon Black Modified Glassy Carbon Electrode
The main objective of this research was to develop a simple and sensitive electrochemical method for determination of trace-level of luteolin using vulcan carbon black (VCB) modified glassy carbon electrode (GCE). Compared with the bare GCE, the VCB/GCE exhibits higher electrocatalytic ability toward luteolin oxidation. This is due to the large surface-to-volume ratio of the carbon black together with the ... إقراء المزيد

2018-08-28 17:02:47 الكلمات المفتاحية Square wave voltammetry, Screen-printed electrode, Polyphenols, Antioxidant capacity, Red wines,
Square wave voltammetric analysis of polyphenol content and antioxidant capacity of red wines using glassy carbon and disposable carbon nanotubes modified screen-printed electrodes
The polyphenols present in different French red wines were characterized electrochemically using square wave voltammetry (SWV). The voltammetric measurements were carried out using a glassy carbon electrode and disposable screen-printed carbon electrodes unmodified and modified with single- and multi-walled carbon nanotubes. The single-walled carbon nanotubes-modified screen-printed carbon electrode (SWCNTs-SPCE) showed the best results for the voltammetric analysis of polyphenols in ... إقراء المزيد