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THz and IR Spectroscopy of Molecular Systems That Simulate Function-Related Structural Changes of ProteinsDOI: 10.1155/2012/745136 Abstract: The activity of enzymes in organic solvents substantially increases in the presence of crown ethers. Tris(hydroxymethyl)aminomethane (tris) is chosen as a model compound to simulate the interaction of surface amino groups of proteins with crown ether. The methods of FTIR and time-domain THz spectroscopy are used to study the interaction of tris with 18-crown-6. The THz spectra of the complexes are measured for the first time.
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