PHOTORESPONSIVE POLYMERS .4. CONFORMATIONAL-CHANGES OF POLYPEPTIDES UPON IRRADIATION

被引:15
|
作者
HALLENSLEBEN, ML
MENZEL, H
机构
[1] Inst fuer Makromolekulare Chemie der, Univ Hannover, Hannover
来源
BRITISH POLYMER JOURNAL | 1990年 / 23卷 / 03期
关键词
D O I
10.1002/pi.4980230305
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Poly(5-(4-phenylazobenzyl)-L-glutamate) was synthesized to study the photoinduced helix coil transition of a unipolymer. The crucial point in the synthesis is the selective esterification of the L-glutamic acid, which was carried out as an alcoholysis of the N-protected cyclic anhydride. The 5-ester was treated with phosgene to obtain the N-carboxyanhydride, which was polymerized by base catalysis. The polymer was investigated in dilute dioxane solutions. The photoinduced transition was followed by means of UV spectroscopy for the chromophore and viscosimetric experiments for the configuration of the polymer chain. The changes in viscosity are more complex than expected for a helix coil transition, so aggregates have to be taken into account.
引用
收藏
页码:199 / 204
页数:6
相关论文
共 50 条
  • [1] CONFORMATIONAL-CHANGES OF POLYPEPTIDES ON CRYSTALLIZATION
    BRUMBERGER, H
    CHENG, B
    BIOPOLYMERS, 1974, 13 (12) : 2653 - 2655
  • [2] PHOTORESPONSIVE POLYMERS - ON THE DYNAMICS OF CONFORMATIONAL-CHANGES OF POLYAMIDES WITH BACKBONE AZOBENZENE GROUPS
    IRIE, M
    SCHNABEL, W
    MACROMOLECULES, 1981, 14 (05) : 1246 - 1249
  • [3] LIGHT-INDUCED CONFORMATIONAL-CHANGES OF POLYPEPTIDES
    UENO, A
    ANZAI, J
    OSA, T
    KADOMA, Y
    JOURNAL OF POLYMER SCIENCE PART C-POLYMER LETTERS, 1977, 15 (07) : 407 - 410
  • [4] LIGHT-INDUCED CONFORMATIONAL-CHANGES OF POLYPEPTIDES
    UENO, A
    ANZAI, J
    TAKAHASHI, K
    OSA, T
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1979, (APR): : 13 - 13
  • [5] LIGHT-INDUCED CONFORMATIONAL-CHANGES OF POLYPEPTIDES - PHOTOISOMERIZATION OF AZOAROMATIC POLYPEPTIDES
    UENO, A
    ANZAI, JI
    OSA, T
    KADOMA, Y
    BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 1979, 52 (02) : 549 - 554
  • [6] CONFORMATIONAL-CHANGES OF POLYPEPTIDES IN INTENSE ELECTRIC-FIELDS
    BEAN, CP
    BENNETT, AJ
    BIOPOLYMERS, 1973, 12 (04) : 817 - 824
  • [7] CONFORMATIONAL-CHANGES IN ASPARTATE TRANSCARBAMYLASE .4. LIGAND EFFECTS ON INTERSUBUNIT INTERACTIONS
    COLMAN, PD
    MARKUS, G
    JOURNAL OF BIOLOGICAL CHEMISTRY, 1972, 247 (12) : 3829 - +
  • [8] CONFORMATIONAL-CHANGES OF POLIOVIRUS AFTER UV IRRADIATION
    WETZ, K
    HABERMEHL, KO
    ZENTRALBLATT FUR BAKTERIOLOGIE MIKROBIOLOGIE UND HYGIENE SERIES A-MEDICAL MICROBIOLOGY INFECTIOUS DISEASES VIROLOGY PARASITOLOGY, 1980, 248 (01): : 16 - 16
  • [9] INTERACTION OF ANIONIC DETERGENTS WITH CATIONIC RESIDUES IN POLYPEPTIDES - CONFORMATIONAL-CHANGES
    MATTICE, WL
    ACS SYMPOSIUM SERIES, 1986, 302 : 232 - 237
  • [10] CONFORMATIONAL-CHANGES ACCOMPANYING THE INTERACTION OF ANIONIC DETERGENTS WITH CATIONIC POLYPEPTIDES
    MATTICE, WL
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1984, 188 (AUG): : 29 - MACR