A ratiometric solvent polarity sensing Schiff base molecule for estimating the interfacial polarity of versatile amphiphilic self-assemblies

被引：13

作者：

Majumder, Rini ^{[1
]}

Sarkar, Yeasmin ^{[1
]}

Das, Sanju ^{[1
,2
]}

Jewrajka, Suresh K. ^{[3
]}

Ray, Ambarish ^{[2
]}

Parui, Partha Pratim ^{[1
]}

机构：

[1] Jadavpur Univ, Dept Chem, Kolkata 700032, India

[2] Maulana Azad Coll, Dept Chem, Kolkata 700013, India

[3] CSIR Cent Salt & Marine Chem Res Inst, Reverse Osmosis Div, Bhavnagar 364002, Gujarat, India

来源：

ANALYST | 2016年 / 141卷 / 11期

关键词：

POLYMERIC MICELLES; LIPID-BILAYERS; WATER; HYDRATION; DIPOLES;

D O I：

10.1039/c6an00582a

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A newly synthesised Schiff base molecule (PMP) existing in equilibrium between non-ionic and zwitterionic forms displays solvent polarity induced ratiometric interconversion from one form to another, such novelty being useful to detect the medium polarity. The specific interface localisation of PMP in versatile amphiphilic self-assembled systems has been exploited to monitor their interfacial polarity by evaluating such interconversion equilibrium with simple UV-Vis spectroscopy. In spite of the large differences in pH and/or viscosity between the bulk and interface, the unchanged equilibrium between the two molecular forms on varying the medium pH or viscosity provides a huge advantage for the exclusive detection of interfacial polarity.

引用

页码：3246 / 3250

页数：5

共 4 条

[1] Interfacial pH and polarity detection of amphiphilic self-assemblies using a single Schiff-base molecule
Majumder, Rini
Sarkar, Yeasmin
Das, Sanju
Ray, Ambarish
Parui, Partha Pratim
NEW JOURNAL OF CHEMISTRY, 2017, 41 (16) : 8536 - 8545
[2] A simple interfacial pH detection method for cationic amphiphilic self-assemblies utilizing a Schiff-base molecule
Sarkar, Yeasmin
Das, Sanju
Ray, Ambarish
Jewrajka, Suresh K.
Hirota, Shun
Parui, Partha Pratim
ANALYST, 2016, 141 (06) : 2030 - 2039
[3] Detection of Curvature-Radius-Dependent Interfacial pH/Polarity for Amphiphilic Self-Assemblies: Positive versus Negative Curvature
Sarkar, Yeasmin
Majumder, Rini
Das, Sanju
Ray, Ambarish
Parui, Partha Pratim
LANGMUIR, 2018, 34 (21) : 6271 - 6284
[4] Multi-modulation for self-assemblies of amphiphilic rigid-soft compounds through alteration of solution polarity and temperature
Li, Xiaoying
Poon, Chun-Ting
Hong, Eugene Yau-Hin
Wong, Hok-Lai
Chan, Alan Kwun-Wa
Wu, Lixin
Yam, Vivian Wing-Wah
SOFT MATTER, 2017, 13 (45) : 8408 - 8418

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