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Figure 3
Swelling of an inverse hexagonal (HII) lipid phase. The chain-packing frustration increases as the diameter of the hexagonally packed cylindrical inverse micelles increases. This can be accommodated to a certain extent, but voids (shown in red) cannot be formed in the structure, thereby limiting the extent of pressure-induced swelling.

IUCrJ
Volume 1| Part 6| September 2014| Pages 470-477
ISSN: 2052-2525
doi:10.1107/S2052252514019551