Fachbuch, 2012
39 Seiten
This text aims to provide an overview of supramolecular chemistry, focusing on the formation and characteristics of host-guest inclusion complexes. The text explores the differences between classical and supramolecular chemistry, highlighting the role of non-covalent interactions in supramolecular systems.
The text begins by introducing the concept of supramolecular chemistry and its importance across various scientific disciplines. It then delves into the fundamental differences between classical and supramolecular chemistry, emphasizing the role of non-covalent interactions in supramolecular systems.
The text further discusses the significance of colloidal systems in supramolecular chemistry, highlighting their applications in diverse fields like detergents, emulsifiers, and biological membrane formation. The focus then shifts to surfactants, defining their structure, classification, and properties. The text concludes by explaining the concept of micelle formation, emphasizing how the self-assembly of surfactant molecules leads to the formation of these aggregates.
This text focuses on the following key concepts: supramolecular chemistry, host-guest inclusion complexes, non-covalent interactions, molecular recognition, colloidal systems, surfactants, micelles, self-assembly, and amphiphilic molecules.
It is a field of chemistry focusing on chemical systems composed of a discrete number of assembled molecular subunits or components through non-covalent interactions.
Classical chemistry focuses on covalent bonds, while supramolecular chemistry focuses on weaker, non-covalent interactions like hydrogen bonding and van der Waals forces.
Surfactants are amphiphilic molecules that reduce surface tension and can self-assemble into structures like micelles in colloidal systems.
These are complexes where a "host" molecule (like a crown ether) wraps around or contains a "guest" molecule or ion through molecular recognition.
Micelles form through the self-assembly of surfactant molecules in a liquid, driven by the hydrophobic effect to hide non-polar tails from the solvent.
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