Mostrar el registro sencillo del ítem
dc.contributor.author
Alcaraz, Mirta Raquel
dc.contributor.author
Schwaighofer, Andreas
dc.contributor.author
Goicoechea, Hector Casimiro
dc.contributor.author
Lendl, Bernhard
dc.date.available
2018-09-17T20:08:23Z
dc.date.issued
2017-10
dc.identifier.citation
Alcaraz, Mirta Raquel; Schwaighofer, Andreas; Goicoechea, Hector Casimiro; Lendl, Bernhard; Application of MCR-ALS to reveal intermediate conformations in the thermally induced α-β transition of poly-L-lysine monitored by FT-IR spectroscopy; Pergamon-Elsevier Science Ltd; Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy; 185; 10-2017; 304-309
dc.identifier.issn
1386-1425
dc.identifier.uri
http://hdl.handle.net/11336/59969
dc.description.abstract
Temperature-induced conformational transitions of poly-L-lysine were monitored with Fourier-transform infrared (FT-IR) spectroscopy between 10 °C and 70 °C. Chemometric analysis of dynamic IR spectra was performed by multivariate curve analysis–alternating least squares (MCR-ALS) of the amide I′ and amide II′ spectral region. With this approach, the pure spectral and concentration profiles of the conformational transition were obtained. Beside the initial α-helical, the intermediate random coil/extended helices and the final β-sheet structure, an additional intermediate PLL conformation was identified and attributed to a transient β-sheet structure.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Conformational Analysis
dc.subject
Fourier Transform Infrared Spectroscopy
dc.subject
Multivariate Curve Analysis&Ndash;Alternating Least Squares
dc.subject
Poly-L-Lysine
dc.subject
Secondary Structure
dc.subject.classification
Otras Ciencias Químicas
dc.subject.classification
Ciencias Químicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Application of MCR-ALS to reveal intermediate conformations in the thermally induced α-β transition of poly-L-lysine monitored by FT-IR spectroscopy
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-09-07T13:48:09Z
dc.journal.volume
185
dc.journal.pagination
304-309
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Alcaraz, Mirta Raquel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Litoral. Facultad de Bioquímica y Ciencias Biológicas; Argentina. Vienna University of Technology; Austria
dc.description.fil
Fil: Schwaighofer, Andreas. Vienna University of Technology; Austria
dc.description.fil
Fil: Goicoechea, Hector Casimiro. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional del Litoral. Facultad de Bioquímica y Ciencias Biológicas; Argentina
dc.description.fil
Fil: Lendl, Bernhard. Vienna University of Technology; Austria
dc.journal.title
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1016/j.saa.2017.05.005
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1386142517303724
Archivos asociados