RETRACTED: pH Dependent Molecular Self-Assembly of Octaphosphonate Porphyrin of Nanoscale Dimensions: Nanosphere and Nanorod Aggregates (Retracted article. See vol. 22, 2021)

被引：23

作者：

Bhosale, Sheshanath V. ^{[1
]}

Kalyankar, Mohan B. ^{[1
,2
]}

Nalage, Santosh V. ^{[2
]}

Lalander, Cecilia H. ^{[1
]}

Bhosale, Sidhanath V. ^{[2
]}

Langford, Steven J. ^{[1
]}

Oliver, Ruth F. ^{[1
]}

机构：

[1] Monash Univ, Sch Chem, Clayton, Vic 3800, Australia

[2] N Maharashtra Univ, Dept Organ Chem, Jalgaon 425001, India

来源：

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES | 2011年 / 12卷 / 03期

基金：

澳大利亚研究理事会;

关键词：

molecular self-assembly; porphyrin; aggregation; AFM; TEM; PROTOPORPHYRIN-IX; BEHAVIOR; WATER;

D O I：

10.3390/ijms12031464

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

070307 [化学生物学]; 071010 [生物化学与分子生物学];

摘要：

Self-assembled nanostructures of zwitterionic octaphosphanatoporphyrin 1, of either nanoparticles or nanorods, depending on small changes in the pH, is demonstrated based on the J-aggregates. Porphyrin 1 self-assembled into nanosphere aggregates with a diameter of about 70-80 nm in the pH range 5-7, and nanorod aggregates were observed at pH 8.5. Hydrogen bonding, pi-pi stacking and hydrophilic interactions play important roles in the formation of this nanostructure morphology. Nanostructures were characterized by UV/Vis absorbance, fluorescence, atomic force microscopy (AFM) and transmission electron microscopy (TEM). This interesting pH dependent self-assembly phenomenon could provide a basis for development of novel biomaterials.

引用

页码：1464 / 1473

页数：10

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