TY - JOUR
T1 - Amylose-grafted Curdlan
T2 - A New Class of Semi-artificial Branched Polysaccharides for Hierarchical Polymeric Superstructures Created by the Action of “Orthogonal” Binding Sites
AU - Tamaru, Shun ichi
AU - Honzaki, Miyabi
AU - Kamogawa, Kinosuke
AU - Hori, Kaori
AU - Kubo, Miki
AU - Kuroda, Naofumi
AU - Shinkai, Seiji
N1 - Funding Information:
I would like to thank Prof. Yonemura for useful discussions. This work was supported by JSPS Grant-in-Aid for Scientific Research C (18K05067, 17K05848) and Izumi Science and Technology Foundation.
PY - 2019/6/14
Y1 - 2019/6/14
N2 - The semi-artificial branched-polysaccharides, amylose-grafted curdlans, were synthesized utilizing an enzymatic polymerization. Both a curdlan main chain and amylose side chains on the polysaccharides maintain the original helical structure as well as the molecular binding ability. Thanks to the difference in their molecular recognition properties between β-1,3-glucan chain and α-1,4-glucan chain, the amylose-grafted curdlans can provide two different orthogonal binding sites within one polymeric system. When a water-soluble polythiophene was mixed with the amylose-grafted curdlan, the polythiophene was twisted in two different modes and therein, fluorescence energy of the polythiophene wrapped by the amylose side chains was successfully transferred to the polythiophene wrapped by the curdlan main chain. We thus concluded that in the dendritic superstructure of this polysaccharide, a self-organized “Janus-type FRET system” was successfully constructed.
AB - The semi-artificial branched-polysaccharides, amylose-grafted curdlans, were synthesized utilizing an enzymatic polymerization. Both a curdlan main chain and amylose side chains on the polysaccharides maintain the original helical structure as well as the molecular binding ability. Thanks to the difference in their molecular recognition properties between β-1,3-glucan chain and α-1,4-glucan chain, the amylose-grafted curdlans can provide two different orthogonal binding sites within one polymeric system. When a water-soluble polythiophene was mixed with the amylose-grafted curdlan, the polythiophene was twisted in two different modes and therein, fluorescence energy of the polythiophene wrapped by the amylose side chains was successfully transferred to the polythiophene wrapped by the curdlan main chain. We thus concluded that in the dendritic superstructure of this polysaccharide, a self-organized “Janus-type FRET system” was successfully constructed.
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U2 - 10.1002/asia.201900375
DO - 10.1002/asia.201900375
M3 - Article
C2 - 30997743
AN - SCOPUS:85066110889
VL - 14
SP - 2102
EP - 2107
JO - Chemistry - An Asian Journal
JF - Chemistry - An Asian Journal
SN - 1861-4728
IS - 12
ER -