ICCAS OpenIR
Interactions of an amphiphilic thiacarbocyanine dye with polypeptides and DNA at the air/water interface
Liu, MH; Lang, J; Nakahara, H
2000-12-15
Source PublicationCOLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
ISSN0927-7757
Volume175Issue:1-2Pages:153-159
AbstractInteractions of a positively charged amphiphilic thiacarbocyanine dye with anionic polypeptides (PLGA, PGT11, PGT41) and DNA at the air/water interface, reflected by the J-aggregation in monolayers, were investigated by in situ visible spectra measurements. Two kinds of J-aggregates were formed upon compression. The J-aggregates returned to the monomer form upon expansion. Recompression caused the formation of the J-aggregates again on DNA subphase. In the case of PLGA, H-aggregates were also formed in the second compression. With the introduction of tyrosine into the PLGA, the formation of J-aggregate was hindered. The compression and expansion process seems to be reversible for the monolayers on the DNA and PGT11 subphases, while it is partly reversible in the other cases. In the transferred LB films of the monolayers on the biopolymer-containing subphases, only one kind of aggregate was observed. Strong induced Cotton effects of the J band were observed for the LB films transferred at higher surface pressures. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
KeywordJ-aggregate Monolayer Dna Plga
Indexed ByISTP ; SCI
Language英语
WOS IDWOS:000089562300021
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/76584
Collection中国科学院化学研究所
Corresponding AuthorLiu, MH
Affiliation1.Chinese Acad Sci, Ctr Mol Sci, Lab Colloid & Interface Sci, Beijing 100080, Peoples R China
2.Saitama Univ, Fac Sci, Dept Chem, Urawa, Saitama 3388570, Japan
Recommended Citation
GB/T 7714
Liu, MH,Lang, J,Nakahara, H. Interactions of an amphiphilic thiacarbocyanine dye with polypeptides and DNA at the air/water interface[J]. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,2000,175(1-2):153-159.
APA Liu, MH,Lang, J,&Nakahara, H.(2000).Interactions of an amphiphilic thiacarbocyanine dye with polypeptides and DNA at the air/water interface.COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,175(1-2),153-159.
MLA Liu, MH,et al."Interactions of an amphiphilic thiacarbocyanine dye with polypeptides and DNA at the air/water interface".COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 175.1-2(2000):153-159.
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