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The simultaneous voltammetry determination of cadmium(II) and lead(II) at bismuth film glassy carbon electode prepared with the use of mediator

100%

Domańska K., Tyszczuk-Rotko K., Dąbal S.

Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia

2017

vol. 72

issue 1

This paper shows a novel, simple and rapid voltammetric procedure, which enables Cd and Pb determination at traces concentrations. All measurements were carried out by differential pulse anodic stripping voltammetry (DPASV) with total time of analysis of 210 s. The obtained detection limits were 8.46 · 10-10 mol L-1 and 2.57 · 10-10 mol L-1 for Cd(II) and Pb(II), respectively. This procedure was successfully applied for the quantification of mentioned metal ions in water samples collected from the Vistula River.

Different properties of four molecular forms of protein kinase CK2 from Saccharomyces cerevisiae

76%

Domańska K., Zieliński R., Kubiński K., Sajnaga E., Masłyk M., Bretner M., Szyszka R.

Acta Biochimica Polonica

2005

vol. 52

issue 4

947-951

CK2 is a pleiotropic constitutively active serine/threonine protein kinase composed of two catalytic α- and two regulatory β-subunits, whose regulation is still not well understood. It seems to play an essential role in regulation of many cellular processes. Four active forms of CK2, composed of αα'ββ', α2ββ', α'2ββ', and a free α'-subunit were isolated from wild-type yeast and strains containing a single deletion of the catalytic subunit. Each species exhibits properties typical for CK2, but they differ in substrate specificity and sensitivity to inhibitors. This suggests that each CK2 isomer may regulate different process or may differ in the way of its regulation.

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1 Acta Biochimica Polonica

1 Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia

1 2017

1 2005

2 Domańska K.

1 Bretner M.

1 Dąbal S.

1 Kubiński K.

1 Masłyk M.

1 Sajnaga E.

1 Szyszka R.

1 Tyszczuk-Rotko K.

1 Zieliński R.

Search results

The simultaneous voltammetry determination of cadmium(II) and lead(II) at bismuth film glassy carbon electode prepared with the use of mediator

Different properties of four molecular forms of protein kinase CK2 from Saccharomyces cerevisiae