Biosensors & Bioelectronics

Khorshid AF

Publications

• Research Article
  A Modified Carbon Paste Sensor for Determination of Zn in Vitamin and Waste Water using Thiosemicarbazide and Acetaldehyde Thiosemicarbazone Complexes
  Author(s): Khorshid AF, Yosry M Issa and Ragab R AmiKhorshid AF, Yosry M Issa and Ragab R Ami
  
  A novel carbon paste Zinc (II) ion-chemically modified carbon paste sensors highly selective and sensitive (CMCPE) based on the metal complexes Zn- incorporating thiosemicarbazide, [Zn(TS)2(ac)2]. C2H5OH (Zn-TSC) and Zn-acetaldehyde thiosemicarbazone [Zn(ATS)2]. 4H2O (Zn-ATSC) dissolved in tricresyl phthalate (TCP) as binder liquid. The chemically modified sensors were developed for determination of Zinc (II) in vitamin and waste water. The constructed sensors showed good linear response of Nernstian slopes 32.5 ± 0.5 and 28.5 ± 0.5 mV per decade over the concentration range of 5.0×10-8-2.0×10-3 and 6.3×10-8 - 7.9×10-3 M with a detection limit of 0.25 and 0.50 nM for (Zn-TSC) and (Zn-ATSC) ions respectively. The selectivity coefficients of the pro.. Read More»
  DOI: 10.4172/2155-6210.1000176

  Abstract PDF