A quantitative anharmonic analysis of the amide A band in α-helical poly( L -alanine)
dc.contributor.author | Lee, Sang-Ho | en_US |
dc.contributor.author | Mirkin, Noemi G. | en_US |
dc.contributor.author | Krimm, Samuel | en_US |
dc.date.accessioned | 2006-04-19T13:28:24Z | |
dc.date.available | 2006-04-19T13:28:24Z | |
dc.date.issued | 1999-03 | en_US |
dc.identifier.citation | Lee, Sang-Ho; Mirkin, Noemi G.; Krimm, Samuel (1999)."A quantitative anharmonic analysis of the amide A band in α-helical poly( L -alanine)." Biopolymers 49(3): 195-207. <http://hdl.handle.net/2027.42/34322> | en_US |
dc.identifier.issn | 0006-3525 | en_US |
dc.identifier.issn | 1097-0282 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/34322 | |
dc.description.abstract | Polarized ir spectra of oriented films of α-helical poly( l -alanine) (α-PLA) have been obtained as a function of residual solvent dichloroacetic acid (DCA). The amide A, B, II, and V regions exhibit multiple bands whose structure depends on the residual DCA content, and those associated with the α I -PLA structure have been identified. A calculation of the relevant cubic anharmonic force constants indicates that, contrary to previous assignments, the overtone of amide II(A) is in Fermi resonance with the NH stretch fundamental, whose unperturbed frequency we now find to be at 3314 cm −1 , significantly higher than the previously suggested 3279 cm −1 . The presence of a structure in addition to the standard α I -PLA is indicated by our analysis. © 1999 John Wiley & Sons, Inc. Biopoly 49: 195–207, 1999 | en_US |
dc.format.extent | 188903 bytes | |
dc.format.extent | 3118 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.language.iso | en_US | |
dc.publisher | John Wiley & Sons, Inc. | en_US |
dc.subject.other | Chemistry | en_US |
dc.subject.other | Polymer and Materials Science | en_US |
dc.title | A quantitative anharmonic analysis of the amide A band in α-helical poly( L -alanine) | en_US |
dc.type | Article | en_US |
dc.rights.robots | IndexNoFollow | en_US |
dc.subject.hlbsecondlevel | Chemical Engineering | en_US |
dc.subject.hlbsecondlevel | Chemistry | en_US |
dc.subject.hlbsecondlevel | Materials Science and Engineering | en_US |
dc.subject.hlbtoplevel | Engineering | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Biophysics Research Division and Department of Physics, The University of Michigan, Ann Arbor, Michigan 48109 | en_US |
dc.contributor.affiliationum | Biophysics Research Division and Department of Physics, The University of Michigan, Ann Arbor, Michigan 48109 | en_US |
dc.contributor.affiliationum | Biophysics Research Division and Department of Physics, The University of Michigan, Ann Arbor, Michigan 48109 ; Biophysics Research Division and Department of Physics, The University of Michigan, Ann Arbor, Michigan 48109 | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/34322/1/1_ftp.pdf | en_US |
dc.identifier.doi | http://dx.doi.org/10.1002/(SICI)1097-0282(199903)49:3<195::AID-BIP1>3.0.CO;2-G | en_US |
dc.identifier.source | Biopolymers | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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