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Holmium complex with phospholipids as 1H NMR temperature probe for membrane systems

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Abstract

The temperature dependence of the lanthanide-induced chemical shifts (LISs) was studied for the systems containing 1-palmitoyl-2-oleoylphosphatidylcholine (POPC)-Ho, 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC)-Ho and 1,2-dimyristoyl-sn-glycero-3-phosphorylcholine (DMPC)-Ho in unilamellar liposomes. In the POPC-Ho system, anti-Curie dependence of LISs is observed, same as previously observed in POPC-Pr system. In the DPPC- and DMPC-Ho systems, temperature features are observed which are probably connected with phase transition.

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Acknowledgements

The research was supported by the Russian science foundation (the research project № 20-63-46026).

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Correspondence to O. Yu. Selyutina.

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Selyutina, O.Y., Koshman, V.E., Zelikman, M.V. et al. Holmium complex with phospholipids as 1H NMR temperature probe for membrane systems. Biometals 35, 629–637 (2022). https://doi.org/10.1007/s10534-022-00388-3

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  • DOI: https://doi.org/10.1007/s10534-022-00388-3

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