Fluorescent properties of amphi-PIC J-aggregates in the complexes with bovine serum albumin

被引：2

作者：

Grankina, Irina I. ^{[1
]}

Borovoy, Igor A. ^{[1
]}

Petrushenko, Sergey, I ^{[2
]}

Hrankina, Svitlana S. ^{[3
]}

Semynozhenko, Vladimir P. ^{[4
]}

Yefimova, Svetlana L. ^{[1
]}

Sorokin, Alexander, V ^{[1
]}

机构：

[1] NAS Ukraine, Inst Scintillat Mat, 60 Nauky Ave, UA-61072 Kharkiv, Ukraine

[2] Kharkov Natl Univ, UA-61022 Kharkiv, Ukraine

[3] Kharkiv Natl Med Univ, 4 Nauky Ave, UA-61022 Kharkiv, Ukraine

[4] NAS Ukraine, SSI Inst Single Crystals, 60 Nauky Ave, UA-61072 Kharkiv, Ukraine

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2022年 / 368卷

关键词：

Cyanine dye; J-aggregate; Serum albumin; Fluorescence; Photostability; EXCITON DYNAMICS; PROTEIN CORONA; CYANINE DYE; VISUALIZATION; NANOCLUSTERS; ENHANCEMENT; MIGRATION; FEATURES; PH;

D O I：

10.1016/j.molliq.2022.120755

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The aggregation behavior of amphiphilic pseudoisocyanine (amphi-PIC) dye in solutions with bovine serum albumin (BSA) has been studied by optical spectroscopy. Typically, the interaction of serum albumin molecules with J-aggregates leads to their disaggregation with individual monomers binding to albumins. However, it has been found that BSA molecules form complexes with amphi-PIC J-aggregates improving their spectral properties, like fluorescence quantum yield and absorption. The stability and photostability of the J-aggregates in the complexes appeared to be significantly increased. As the main reason for the improvement of amphi-PIC J-aggregates properties, their agglomeration prevention has been supposed. (c) 2022 The Author(s). Published by Elsevier B.V.

引用

页数：10

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