Conformation of Azobenzene‐Modified Poly(α‐L‐Glutamate) (AZOPLGA) in Thin Films: Solid State NMR Studies

References

• Holland , N. B. , Hugel , T. , Neuert , G. , Gattani‐Scholz , A. , Renner , C. , Oesterhelt , D. , Moroder , L. , Seita , M. and Gaub , H. E. 2003 . Single molecule force spectroscopy of azobenzene polymers: switching elasticity of single photochromic macromolecules . Macromolecules , 36 : 2015
   Web of Science ®Google Scholar
• Goodman , M. and Falxa , M. L. 1967 . Conformational aspects of polypeptide structure. XXIII. Photoisomerization of azoaromatic polypeptides . J. Am. Chem. Soc. , 89 : 3863 [PUBMED] [INFOTRIEVE]
   PubMedGoogle Scholar
• Fissi , A. , Pieroni , O. , Balestreri , E. and Amato , C. 1996 . Photoresponsive polypeptides. Photomodulation of the macromolecular structure in poly(N ϵ((phenylazophenyl)sulfonyl)‐L‐lysine) . Macromolecules , 29 : 4680 [CROSSREF]
   Web of Science ®Google Scholar
• Sato , M. , Kinoshita , T. , Takizawa , A. and Tsujita , Y. 1988 . Photoinduced conformational transition of polypeptides containing azobenzenesulfonate in the side chains . Macromolecules , 21 : 1612
   Google Scholar
• Dugave , C. and Demange , L. 2003 . Cis–trans isomerization of organic molecules and biomolecules: implications and applications . Chem. Rev. , 103 : 2475 and references therein [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMed Web of Science ®Google Scholar
• Muller , D. and Kricheldorf , H. R. 1981 . Secondary structures of peptides 2. Detection and quantification of secondary structures of solid polypeptides by means of 13C‐NMR CP/MAS spectroscopy . Polym. Bull. , 6 : 101
   Google Scholar
• Murata , K. , Kurori , S. , Kimur , H. and Ando , I. 2002 . A study of conformational stability of poly(L‐alanine), poly(L‐valine), and poly(L‐alanine)/poly(L‐valine) blends in the solid state by 13C cross‐polarization/magic angle spinning NMR . Biopolymers , 64 : 26 [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMedGoogle Scholar
• Rienstra , C. M. , Hohwy , M. , Hong , M. and Griffin , R. G. 2000 . 2D and 3D 15N‐ 13C‐ 13C‐NMR chemical shift correlation spectroscopy of solids: assignment of MAS spectra of peptides . J. Am. Chem. Soc. , 122 : 10979 [CROSSREF]
   Google Scholar
• Yamanobe , T. , Ando , I. , Saito , H. , Tabeta , R. , Shoji , A. and Ozaki , T. 1985 . Carbon 13NMR chemical shift and electronic structure of polypeptide as studied by tight‐binding MO theory: poly(β‐benzyl L‐aspatate) with the right‐handed α‐helix and left‐handed α‐helix forms . Chem. Phys. , 99 : 259 [CROSSREF]
   Google Scholar
• Yang , S. , Li , L. , Cholli , A. L. , Kumar , J. and Tripathy , S. K. 2003 . Azobenzene‐modified poly(L‐glutamic acid) (AZOPLGA): its conformational and photodynamic properties . Biomacromolecules , 4 : 366 [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMedGoogle Scholar
• Shoji , A. , Ozaki , T. , Saito , H. , Tabeta , R. and Ando , I. 1984 . Conformational characterization of solid polypeptides by carbon‐13NMR recorded by the cross polarization‐magic angle spinning method: conformation‐dependent carbon‐13 chemical shifts of oligo‐ and poly(γ‐benzyl L‐glutamates) and sequential copolymers of γ‐o benzyl and γ‐methyl L‐glutamates and qualitative evaluation of side‐chain orientation . Macromolecules , 17 : 1472
   Google Scholar
• Yamanobe , T. , Tsukahara , M. , Komoto , T. , Watanabe , J. , Ando , I. and Uematsu , I. 1988 . Conformation and dynamic aspects of poly(gamma‐n‐octadecyl L‐glutamate) in the solid state and liquid‐crystalline state as studied by variable‐temperature carbon‐13 CP/MAS NMR spectroscopy . Macromolecules , 21 : 48
   Google Scholar
• Schmidt , A. , Lehmann , S. , Georgelin , M. , Katana , G. , Mathauer , K. , Kremer , F. , Schmidt‐Rohr , K. and Boeffel , C. G. 1995 . Molecular dynamics of “Hairy Rod” molecules in the solid state: poly(γ‐methyl L‐glutamate)‐co‐(γ‐n‐octadecyl L‐glutamate) in solution‐cast films . Macromolecules , 28 : 5487
   Google Scholar
• Zhao , C. , Matsukawa , S. , Kobayashi , M. and Ando , I. 1998 . Conformational and dynamical behaviors of crosslinked poly(γ‐methyl‐L‐glutamate) gel as studied by high‐resolution solid‐state 13C NMR spectroscopy . J. Mol. Struct. , 442 : 235 [CROSSREF]
   Google Scholar
• Fissi , A. , Pieroni , O. , Angelini , N. and Lenci , F. 1999 . Photoresponsive polypeptides. Photochromic and conformational behavior of spiropyran‐containing poly(L‐glutamate)s under acid conditions . Macromolecules , 32 : 7116 [CROSSREF]
   Google Scholar
• Wu , X. , Yang , S. , Njus , J. , Nagarajan , R. , Cholli , A. L. , Samuelson , A. L. and Kumar , J. 2004 . Solvent specified conformation in poly(α‐L‐glutamic acid) thin films . Biomacromolecules , 5 : 1214 – 1218 . [PUBMED] [INFOTRIEVE] [CROSSREF]
   PubMed Web of Science ®Google Scholar