Catalysis in membrane mimetic reaction media

Vesicular catalysis can be an important tool in understanding non-enzymatic catalysis in biological membranes. So far, most studies involving vesicular catalysis have focused on differences compared to micellar catalysis. As discussed in Chapter 1, these differences mainly result from the enclosement of an adequeous compartment by a hydrophobic bilayer of amphiphiles in vesicles (Scheme 1A), whereas micelles can be regareded as oil-like droplets (Scheme 1B). As a consequence, the inner and outer leaflet of bilayer might be differentiated kinetically if permeation of reactants is relatively slow. In addition, the tails of the double-tailed amphiphiles can be in a more rigidly ordered (gel-like) phase or a more fluidly, disordered (liquid-crystalline) phase, whereas in micelles the tails are always in a fluid-like phase (Scheme 2). Due to differences in packing efficiency, micelles have a more 'open' structure leading to a higher water concentration at the polar-apolar interface. ...

Zie: Summary

	titlepages/contents
	chapter 1
	chapter 2
	chapter 3
	chapter 4
	chapter 5
	chapter 6
	chapter 7
	dankwoord
	samenvatting
	summary
	thesis

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