Influence of Microwave Power on EPR Signal of Melanin Radical and Copper(II) Ions in DOPA-Melanin Complexes

• Authors: L. Najder-Kozdrowska , B. Pilawa , A. Więckowski , E. Buszman , D. Wrześniok
• Languages of publication: EN

Abstracts

EN

Electron paramagnetic resonance spectroscopy EPR was used for examination of microwave saturation in DOPA-melanin complexes with kanamycin and Cu(II) ions. The fast spin-lattice relaxation processes take place in system of paramagnetic metal ions. EPR signal of melanin radical saturated with growing of microwave power used during measurements. After adding Cu(II) ions a shortening of relaxation time is observed for EPR signal of melanin radical.

Keywords

EN

76.30.Rn; 87.80.Lg; 87.64.kh

Discipline

• 76.30.Rn: Free radicals
• 87.64.kh: EPR
• 87.80.Lg: Magnetic and paramagnetic resonance

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2013
• Volume: 124
• Issue: 1
• Pages: 112-114

Dates

published

2013-07

received

2012-11-26

(unknown)

2013-04-04

Contributors

author

L. Najder-Kozdrowska

• Division of Spectroscopy of Functional Materials, Institute of Physics, Faculty of Physics and Astronomy University of Zielona Góra, Z. Szafrana 4a, 65-516 Zielona Góra, Poland

author

B. Pilawa

• Department of Biophysics, School of Pharmacy, Medical University of Silesia, Sosnowiec, Poland

author

A. Więckowski

• Division of Spectroscopy of Functional Materials, Institute of Physics, Faculty of Physics and Astronomy University of Zielona Góra, Z. Szafrana 4a, 65-516 Zielona Góra, Poland

author

E. Buszman

• Department of Pharmaceutical Chemistry, School of Pharmacy, Medical University of Silesia, Sosnowiec, Poland

author

D. Wrześniok

• Department of Pharmaceutical Chemistry, School of Pharmacy, Medical University of Silesia, Sosnowiec, Poland

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Identifiers

DOI

10.12693/APhysPolA.124.112