Laser spectroscopic study on conformer selective photo-chemistry and complexation of amino acids and related molecules

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Conformational stability and conformation specific photochemistry and complexation has been studied for aromatic amino-acids in the gas phase by laser spectroscopy and quantum chemical calculation. The study has been extended to reveal the mechanism of the encapsulation of guest molecules by functional molecules, such as calixarene and crown-ether. Finally, a new mass-spectrometry combined with laser desorption has been developed to study the structures of nonvolatile molecules, such as bio-related molecules and functional molecules having large molecular weight.