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Laser Techniques Reveal Molecular Folding

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Reporting in the Feb. 20 issue of Science, scientists in the Timothy S. Zwier group at Purdue University in West Lafayette, Ind., have described how they used spectroscopic methods based on stimulated emission pumping to probe the folding process of tryptamine, a close analogue of the neurotransmitter serotonin and of the amino acid tryptophan. They hope that the approaches will enable a better understanding of conformational dynamics in proteins. In the techniques, a UV dye laser pump excites a single conformation of the molecule to the zero-point vibrational level of the first excited...Read full article

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    Published: March 2004
    amino acid tryptophanAs We Go To PressBreaking Newsemission pumpingneurotransmitter serotoninPresstime BulletinPurdue UniversityspectroscopicLasers

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