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2018, Vol.47, No.12

1512-1514

Common Effects of Incorporated n-Alkane Derivatives on Molecular Packing and Phase Behavior of DPPC Bilayers

Hatsuho Usuda ,Mafumi Hishida ,Yasuhisa Yamamura , and Kazuya Saito *
Department of Chemistry, Faculty of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8571, Japan
https://doi.org/10.1246/cl.180747

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Abstract

Effects of nine incorporated n-alkane derivatives on molecular packing and phase behavior of 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) bilayers were investigated using wide angle X-ray diffraction (WAXD) and differential scanning calorimetry (DSC). The incorporation commonly resulted in closer packing of the lipid alkyl chains in the ordered phase and shift of the thermal anomaly due to the main transition to a higher temperature. These common features suggest that effects of incorporated molecules on structure and phase behavior of DPPC bilayers can be classified by their shape.

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Effects of nine incorporated n-alkane derivatives on molecular packing and phase behavior of a phospholipid (DPPC) bilayers were investigated using wide angle X-ray diffraction and DSC. The incorporation commonly affected the packing of the lipid alkyl chains in the ordered phase and the main transition, suggesting a possible classification of the effects by their shape.

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