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A First Example of a Lyotropic Smectic C* Analog Phase
In this thesis Johanna Bruckner reports the discovery of the lyotropic counterpart of the thermotropic SmC* phase, which has become famous as the only spontaneously polarized, ferroelectric fluid in nature. By means of polarizing optical microscopy, X-ray diffraction and electro-optic experiments she firmly establishes aspects of the structure of the novel lyotropic liquid crystalline phase and elucidates its fascinating properties, among them a pronounced polar electro-optic effect, analogous to the ferroelectric switching of its thermotropic counterpart. The helical ground state of the mesophase raises the fundamental question of how chiral interactions are "communicated" across layers of more or less disordered and achiral solvent molecules which are located between adjacent bi-layers of the chiral amphiphile molecules. This thesis bridges an important gap between thermotropic and lyotropic liquid crystals and pioneers a new field of liquid crystal research.
New Trends in Lyotropic Liquid Crystals
Liquid crystals (LCs) were discovered more than a century ago, and were, for a long time, treated as a physical curiosity, until the development of flat panel screens and display devices caused a revolution in the information display industry, and in fact in society. There would be no mobile phones without liquid crystals, no flat screen TVs or computer monitors, no virtual reality, just to name a few of the applications that have changed our whole world of vision and perception. All of these inventions are based on liquid crystals that are formed through a change in temperature, thermotropic LCs. However, there is another form of liquid crystals, described even earlier, yet much less talked...
Sold People
A young woman as portable property -- The flow of trafficking in the Qing -- New laws and emerging language -- Fictive families and children in the marketplace -- Moving beyond the reach of the law -- The warlord's widow and the chief of police -- Domestic bonds -- Talking with traffickers
The Classical Debt
Ever since the International Monetary Fund’s first bailout of Greece’s sinking economy in 2010, the phrase “Greek debt” has meant one thing to the country’s creditors. But for millions who claim to prize culture over capital, it means something quite different: the symbolic debt that Western civilization owes to Greece for furnishing its principles of democracy, philosophy, mathematics, and fine art. Where did this other idea of Greek debt come from, Johanna Hanink asks, and why does it remain so compelling today? The Classical Debt investigates our abiding desire to view Greece through the lens of the ancient past. Though classical Athens was in reality a slave-owning imperial pow...
Collagen
J. Brinckmann: Collagens at a Glance.- J. Engel, H.P. Bächinger: Structure, Stability and Folding of the Collagen Triple Helix.- S. Ricard-Blum, F. Ruggiero, M. van der Rest: The Collagen Superfamily.- T. Koide, K. Nagata: Collagen Biosynthesis.- J. Myllyharju: Intracellular Post-Translational Modifications of Collagens.- D.S. Greenspan: Biosynthetic Processing of Collagen Molecules.- D.E. Birk, P. Bruckner: Collagen Suprastructures.- D.R. Eyre, J.-J. Wu: Collagen Cross-Links
