Gemini surfactant behavior of conventional surfactant dodecyltrimethylammonium bromide with anionic azo dye Sunset Yellow in aqueous solutions
E Akpinar, N Uygur, G Topcu, OD Lavrentovich… - Journal of Molecular …, 2022 - Elsevier
In this study, the interaction of an anionic azo dye Sunset Yellow with conventional cationic
surfactant dodecyltrimethylammonium bromide (DTMABr) has been examined as a function …
surfactant dodecyltrimethylammonium bromide (DTMABr) has been examined as a function …
Effect of the surfactant head-group size dependence of the dye-surfactant interactions on the lyotropic uniaxial to biaxial nematic phase transitions
In the present study, the interactions of the anionic azo dye Sunset Yellow with
dodecylalkylammonium bromide (DAABr) surfactants in lyotropic mixtures have been …
dodecylalkylammonium bromide (DAABr) surfactants in lyotropic mixtures have been …
A new interpretation of the optical interference figures observed in a lyotropic biaxial nematic phase for a ternary mixture of DTMABr, 1-DDeOH and H2O
DD Lüders, E Akpinar, NM Kimura - Journal of Molecular Liquids, 2022 - Elsevier
The lyotropic ternary mixture of dodecyltrimethylammonium bromide (DTMABr), 1-dodecanol
(DDeOH) and water (H 2 O) was studied by optical conoscopy and Abbe refractometer …
(DDeOH) and water (H 2 O) was studied by optical conoscopy and Abbe refractometer …
Non-aqueous lyotropic liquid crystalline phases of natural surfactant withania somnifera for antibacterial applications
Lyotropic liquid crystalline (LLC) phases are derived from a binary mixture of Withania
somnifera roots and ethylene glycol. Studied concentrations of Withania somnifera …
somnifera roots and ethylene glycol. Studied concentrations of Withania somnifera …
A chiral–racemic lyotropic chromonic liquid crystal system
JK Ando, PJ Collings - Soft Matter, 2021 - pubs.rsc.org
The two main classes of liquid crystals are thermotropic (containing no solvent) and lyotropic
(containing solvent). Both of these classes possess the nematic phase, the most simple of …
(containing solvent). Both of these classes possess the nematic phase, the most simple of …
Structure and local order of lyotropic cholesteric calamitic phases: The effect of the chiral molecule
OR Santos, D Reis, AG Oliveira-Filho… - Journal of Molecular …, 2022 - Elsevier
We investigate a lyotropic mixture presenting in the calamitic nematic phase (NC) and its
corresponding calamitic cholesteric phase (Ch C), where a small amount of the chiral agent …
corresponding calamitic cholesteric phase (Ch C), where a small amount of the chiral agent …
Rotational viscosity of nematic lyotropic chromonic liquid crystals
JJ Yu, LF Chen, GY Li, YR Li, Y Huang, M Bake… - Journal of Molecular …, 2021 - Elsevier
Lyotropic chromonic liquid crystal has great application potential in the areas of the biology,
medicine, and optics due to its biocompatibility, nontoxicity, biodegradability and …
medicine, and optics due to its biocompatibility, nontoxicity, biodegradability and …
A new approach to the textural interpretation of magnetically aligned nematic and cholesteric lyotropic mesophases by using plate-λ accessory
DD Lüders, E Akpinar, MLG Pereira… - Phase …, 2024 - Taylor & Francis
Lyotropic liquid crystals are substances formed by anisotropic micelles. Their unit structure
change with the concentration and temperature and, as a consequence, the optical …
change with the concentration and temperature and, as a consequence, the optical …
Properties of the uniaxial and biaxial nematic phases of the dodecyltrimethylammonium bromide/1-dodecanol/water lyotropic mixture including azo dye and drug …
Lyotropic nematic phase properties of novel mixtures of dodecyltrimethylammonium bromide
(DTMABr)/1-dodecanol (DDeOH)/water, doping with anionic azo dyes (amaranth and …
(DTMABr)/1-dodecanol (DDeOH)/water, doping with anionic azo dyes (amaranth and …
The wavelength-dependent optical transmission and birefringence of lyotropic nematic calamitic mesophase under a polarising microscope and its order parameter in …
AE Yavuz - Liquid Crystals, 2021 - Taylor & Francis
In the present study, the optical transmissions of lyotropic nematic calamitic mesophase
(NC) were measured depending on temperature for wavelengths of 440, 470, 510 and 694.3 …
(NC) were measured depending on temperature for wavelengths of 440, 470, 510 and 694.3 …