Experimental considerations in biological ESR studies. I. Identity and origin of the 'tissue lipid signal': A copper-dithiocarbamate complex
- 1 September 1976
- journal article
- research article
- Published by IOP Publishing in Physics in Medicine & Biology
- Vol. 21 (5) , 840-846
- https://doi.org/10.1088/0031-9155/21/5/012
Abstract
The complex ESR signal previously observed in fatty tissues has been identified. It is a copper low-molecular-weight sulphur compound complex similar to copper-dithiocarbamate. The usual source of this signal is contact of copper-containing tissue with surgeon's gloves. This result emphasises the care that must be taken in obtaining and interpreting ESR spectra of tissues. The formation of this complex by intentionally adding dithiocarbamate to tissue can be used as a very simple and sensitive analytical method for tissue copper.Keywords
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