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Membrane Biophysics
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Written by Heiko Seeger
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Thursday, 22 March 2007 |
 In the previous article we learned that a lipid bilayer can exist in different phases. We introduced the terms solid ordered (gel) and liquid disordered (fluid). The first one is a highly ordered phase. The lipids are arranged on a lattice and their structure is ordered. If the membrane is in the other pahse the lipids have lost their internal ordering and they lack their lattice ordering as well. Therefore, a membrane which melts is subject to two different melting processes. |
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The World of Albert
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Written by Heiko Seeger
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Monday, 26 February 2007 |
 Do you like to drink coffee? Albert does. Sometimes he spends his afternoons in the cafeteria and not in his lab. Still, he considers these moments to be the most productive. Does he usually not work? Learn more, what Albert means in saying this.
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Membrane Biophysics
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Written by Heiko Seeger
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Thursday, 07 December 2006 |
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 A liposome formed from a lipid bilayer (taken from http://courses.cm.utexas.edu/)
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The World of Albert
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Written by Heiko Seeger
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Wednesday, 18 October 2006 |
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Last week Albert was at a conference. He was looking forward to this event. The conference he went to offers him many scientific surprises. This time there was a big surprise too, but only indirectly related to science. He returned home being shocked.
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Membrane Biophysics
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Written by Heiko Seeger
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Friday, 29 September 2006 |
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 That we experience life as we know it is partially due to the evolution of biological membranes. They allowed to define an inner and outer part of cells and provided to protect life from a partly hostile environment. The so called plasma membrane surrounds cells and inside of each cell biological membranes confine regions of various functional properties. Areas as such are for example the endoplasmic reticulum, the Golgi apparatus or the mitochondria. The latter one is responsible for the energy production of biological cells, whereas the other ones are related to the synthesize and the distribution of important macromolecules called proteins.
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