@article{390,
  keywords = {Circular Dichroism, Exciton signals, J to H transformation, Mixed aggregates, Supramolecular chirality},
  author = {Ferenc Zsila and Z. Bikádi and J. Deli and Miklós Simonyi},
  title = {Chiral detection of carotenoid assemblies},
  abstract = {Carotenoid assemblies were produced by aqueous dilution of ethanolic solutions. UV/VIS and CD spectroscopy revealed the formation of J- and H-types of aggregates of both right- and left-handed kinds. Simulation of UV/VIS spectra of the aggregates showed characteristic differences between the two types. 6 -Epimers of capsanthol ((all-E,3R,3 S,5 R)-β,κ-carotene- 3,3 ,6 -triols) formed assemblies with increased chirality in dilute solution. While the absorption of 6 R-capsanthol giving H-type aggregate does not depend on the concentration, 6 S-capsanthol yielding J-type assembly showed concentration-dependent absorption intensity. Dilute aggregate of 6 R-capsanthol is characterized by an extremely large A value of -6,600. The transformation of J- to H-type assembly was observed in the mixtures of the epimers producing an intermediate kind of aggregate. A hypothetical structure for H-type assemblies is proposed. © 2001 Wiley-Liss, Inc.},
  year = {2001},
  journal = {Chirality},
  volume = {13},
  pages = {446-453},
  month = {2001},
  url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0034899239&partnerID=40&md5=f1cdab8e07f0ce2ca608073eb6b080a3},
  note = {Cited By :19Export Date: 25 February 2016},
}