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Journal of Applied Health Sciences = Časopis za primijenjene zdravstvene znanosti, Vol. 6 No. 1, 2020.

Original scientific paper

https://doi.org/10.24141/1/6/1/4

Investigating the Prospect of Copper-Histidine Complex Modified Gold Electrode for Histidine and Human Serum Albumin Recognition

Irena Kereković orcid id orcid.org/0000-0001-7542-4594 ; University of Applied Health Sciences, Department of Chemistry, Biochemistry and Clinical Chemistry, Zagreb, Croatia
Sandra Domjanić Drozdek ; University of Applied Health Sciences, Department of Chemistry, Biochemistry and Clinical Chemistry, Zagreb, Croatia

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Abstract

Histidine monolayer was adsorbed on the surface of the gold electrode and further tailored with Cu2+ cation with the aim to investigate adsorption of histidine (His) and human serum albumin (HSA). Formation of the layer on the surface of the gold electrode was confirmed with quartz crystal microbalance. Binding of the His and HSA onto the modified electrode was successfully done for a wide range of tested concentrations. Electrode response was linearly proportional to the concentration of His and HSA with the correlation coefficients R2 = 0.9895 and R2 = 0.9952 respectively.

Keywords

gold electrode; copper; histidine; human serum albumin; quartz crystal microbalance

Hrčak ID:

235092

URI

https://hrcak.srce.hr/235092

Publication date:

4.3.2020.

Article data in other languages: croatian

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