Pyridinium N-Phenolate Betaine Dyes

VG Machado, RI Stock, C Reichardt - Chemical reviews, 2014 - ACS Publications
It is well-known that the solvent can strongly influence the course, rate, and equilibrium
position of many chemical reactions. 1, 2 The position and intensity of the bands in the …

The exciton model in molecular spectroscopy

M Kasha, HR Rawls… - Pure and Applied …, 1965 - degruyter.com
The molecular exciton model has received its mostextensive development and application in
the field ofmolecular crystals1• 2• More recently, numerous applications to non-crystalline …

Sustainable wastewater treatment via dye–surfactant interaction: a critical review

TU Rashid, SMF Kabir, MC Biswas… - Industrial & …, 2020 - ACS Publications
Dye containing industrial effluent streams are a cause of major environmental concerns,
especially those which are not easily biodegradable. Many techniques have been …

N‐Substituted Acridinium as a Multi‐Responsive Recognition Unit in Supramolecular Chemistry

HP Jacquot de Rouville, J Hu, V Heitz - ChemPlusChem, 2021 - Wiley Online Library
The N‐substituted acridinium motif is an electron‐deficient unit with appealing multi‐
responsive properties which have been exploited in the field of supramolecular chemistry …

Separation of methylene blue from aqueous solution by micellar enhanced ultrafiltration

N Zaghbani, A Hafiane, M Dhahbi - Separation and Purification Technology, 2007 - Elsevier
Micellar enhanced ultrafiltration (MEUF) is a separation technique which can be used to
remove metals ions or dissolved organics from water. In this study MEUF has been carried …

Dye–surfactant interaction in aqueous solutions

M Bielska, A Sobczyńska, K Prochaska - Dyes and pigments, 2009 - Elsevier
The interaction of four ionic dyes, CI Mordant Black 11, CI Mordant Black 17, CI Direct
Yellow 50 and CI Basic Blue 9, with cationic and anionic surfactants was studied by …

Pyridinium-N-phenolate betaine dyes as empirical indicators of solvent polarity: Some new findings

C Reichardt - Pure and Applied Chemistry, 2008 - degruyter.com
Solutions of the zwitterionic betaine dye 2, 6-diphenyl-4-(2, 4, 6-triphenylpyridinium-1-yl)
phenolate (hereinafter called standard betaine dye) and its derivatives are solvatochromic …

Protolytic equilibrium in lyophilic nanosized dispersions: differentiating influence of the pseudophase and salt effects

NO Mchedlov-Petrossyan - Pure and Applied Chemistry, 2008 - degruyter.com
The so-called apparent ionization constants of various acids (mainly indicator dyes) in
versatile organized solutions are analyzed. Aqueous micellar solutions of colloidal …

Anomalous surfactant-induced enhancement of luminescence quantum yield of cyanine dye J-aggregates

GY Guralchuk, IK Katrunov, RS Grynyov… - The Journal of …, 2008 - ACS Publications
Formation of the “J-aggregate-surfactant” complex for three cyanine dyes (L-21, LC-1 and
PIC) in binary solutions containing cationic surfactant CPB at the concentration higher than …

Study of electrolytic effect on the interaction between anionic surfactant and methylene blue using spectrophotometric and conductivity methods

MT Muhammad, MN Khan - Journal of Molecular Liquids, 2017 - Elsevier
The interaction studies of methylene blue (MB) as a cationic dye with an anionic surfactant
were conducted. Conductometric and spectroscopic methods were used for investigations …