A simple interfacial pH detection method for cationic amphiphilic self-assemblies utilizing a Schiff-base molecule

Y Sarkar, S Das, A Ray, SK Jewrajka, S Hirota… - Analyst, 2016 - pubs.rsc.org
A simple pH-sensing method for cationic micelle and vesicle interfaces is introduced,
utilizing a Schiff-base molecule, 2-((4H-1, 2, 4-triazol-4-ylimino) methyl)-6-(hydroxymethyl)-4 …

Interfacial pH and polarity detection of amphiphilic self-assemblies using a single Schiff-base molecule

R Majumder, Y Sarkar, S Das, A Ray… - New Journal of …, 2017 - pubs.rsc.org
The interfacial pH and polarity are two highly interrelated parameters in amphiphilic self-
assembled systems. The hydronium ion (H3O+) concentration and/or the pH value near the …

Highly pH-sensitive ion pair amphiphile vesicle

MH Chung, YC Chung, BC Chun - Colloids and Surfaces B: Biointerfaces, 2003 - Elsevier
Several ion pair amphiphiles (IPA) that are composed of two positive parts (ammonium
surfactants) and one negative part (dicarboxlyate surfactant) are prepared to test whether …

Detection of curvature-radius-dependent interfacial pH/polarity for amphiphilic self-assemblies: positive versus negative curvature

Y Sarkar, R Majumder, S Das, A Ray, PP Parui - Langmuir, 2017 - ACS Publications
It is possible that a defined curvature at the membrane interface controls its pH/polarity to
exhibit specific bioactivity. By utilizing an interface-interacting spiro-rhodamine pH probe …

Monomer transfer and solubilization of bilayer vesicles from double-chained ammonium amphiphiles carrying aromatic units

MD Everaars, ATM Marcelis, EJR Sudhölter - Langmuir, 1996 - ACS Publications
Double-chained ammonium amphiphiles with terminal (4 '-cyanobiphenyl-4-yl) oxy,(4 '-
cyanoazobenzen-4-yl) oxy, or (4 '-nitroazobenzen-4-yl) oxy moieties form vesicles upon …

Vesicle Formation by l-Cysteine-Derived Unconventional Single-Tailed Amphiphiles in Water: A Fluorescence, Microscopy, and Calorimetric Investigation

R Ghosh, J Dey - Langmuir, 2014 - ACS Publications
Two new l-cysteine-derived zwitterionic amphiphiles with poly (ethylene glycol) methyl ether
(mPEG) tail of different chain lengths were synthesized and their surface activity and self …

Aggregated assemblies of hexadecyltrimethylammonium bromide and phospholipids at the interface and in the bulk solution

P Sehgal, H Doe, MS Bakshi - Journal of surfactants and detergents, 2002 - Springer
Interactions between hexadecyltrimethylammonium bromide (HTAB) and l-α-
phosphatidylcholine (PC), 1, 2-didecanoyl-sn-glycero-3-phosphocholine (DPC), and 1, 2 …

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

R Majumder, Y Sarkar, S Das, SK Jewrajka, A Ray… - Analyst, 2016 - pubs.rsc.org
A newly synthesised Schiff base molecule (PMP) existing in equilibrium between non-ionic
and zwitterionic forms displays solvent polarity induced ratiometric interconversion from one …

Fluorescence-probe study of vesicle and micelle formations in a binary cationic surfactants system

T Kodama, A Ohta, K Toda, T Katada… - Colloids and Surfaces A …, 2006 - Elsevier
A phase diagram of a dodecyltrimethylammonium bromide (DTAB)–
didodecyldimethylammonium bromide (DDAB) system was obtained by a combination of …

Unveiling the pH dependent interaction between bolaamphiphiles (dicarboxylic acids) and C10TAB (decyltrimethylammonium bromide) in aqueous medium

A Pan, SC Bhattacharya, AK Rakshit… - Journal of colloid and …, 2018 - Elsevier
Abstract Development of stable self-assembled nanostructures (especially vesicles and
liposomes), and understanding their physicochemical behaviors in aqueous solution is a …