Dendrimersomes Exhibit Lamellar-to-Sponge Phase Transitions

Magnetic Sponge with Neutral–Ionic Phase Transitions

Phase transitions caused by the charge instability between the neutral and ionic phases of compounds, i.e., N-I phase transitions, provide avenues for switching the intrinsic properties of compounds related to electron/spin correlation and dipole generation as well as charge distribution. However, it is extremely difficult to control the transition temperature (Tc) for the N-I phase transition,...

Effect of acyl chain composition on salt-induced lamellar to inverted hexagonal phase transitions in cardiolipin.

Salt-induced fluid lamellar (L alpha) to inverted hexagonal (HII) phase transitions have been studied in diphosphatidylglycerols (cardiolipins) with different acyl chain compositions, using 31P nuclear magnetic resonance (NMR) spectroscopy. Cardiolipins with four myristoyl chains, tetramyristoyl cardiolipin (TMCL), and with four oleoyl chains, tetraoleoyl cardiolipin (TOCL), were synthesized ch...

Critical Behavior at the Nematic To Lamellar Phase Transitions: A Synchrotron X-Ray Scattering Study

Topological relaxation of a shear-induced lamellar phase to sponge equilibrium and the energetics of membrane fusion.

We report time-resolved small angle neutron scattering (t-SANS) measurements of the topological relaxation of Couette shear-induced stacked L(alpha) lamellar states to their multiconnected isotropic L3 sponge equilibrium phases in a surfactant bilayer membrane system. Comparison of this structural relaxation time to the interval between diffusive membrane contacts, as determined from dynamic li...

0 New Method for Phase Transitions in Diblock Copolymers : – The Lamellar Case

A new mean-field type theory is proposed to study order-disorder transitions (ODT) in block copolymers. The theory applies to both the weak segregation (WSL) and the strong segregation (SSL) regimes. A new energy functional is proposed without appealing to the random phase approximation (RPA). We find new terms unaccounted for within RPA. We work out in detail transitions to the lamellar state ...