Optical sensors and biosensors based on sol–gel films

PCA Jerónimo, AN Araújo, MCBSM Montenegro - Talanta, 2007 - Elsevier
The sol–gel technology is being increasingly used for the development of optical sensors
and biosensors, due to its simplicity and versatility. By this process, porous thin films …

Rapid determination of surfactant critical micelle concentration in aqueous solutions using fiber-optic refractive index sensing

CH Tan, ZJ Huang, XG Huang - Analytical biochemistry, 2010 - Elsevier
We describe a simple and rapid method for determining the critical micelle concentration
(CMC) of surfactants from fiber-optic measurements of refractive index. The refractive index …

Experimental study of CMC evaluation in single and mixed surfactant systems, using the UV–Vis spectroscopic method

B Tanhaei, N Saghatoleslami, MP Chenar… - Journal of Surfactants …, 2013 - Springer
In this study, the critical micellar concentration (CMC) of anionic, cationic and nonionic
surfactants was determined using the UV–Vis spectroscopic method. Sodium lauryl sulfate …

Detection of riboflavin concentration by sol-gel silica coated dual-peak long period fiber grating sensor

X Dai, J Shi, X Zhao, Y Su, S Dai, P Zhang - Optics Express, 2024 - opg.optica.org
A dual-peak long period fiber grating (DP-LPFG)-based sensor was designed and fabricated
for the sensitive detection of riboflavin concentration. LPFGs with a period of 163 μ m and a …

[HTML][HTML] Effects of immersion duration and temperature on mechanical properties of optical fibers aged in CTAC aqueous solution

R El Abdi, AD Rujinski, M Poulain - Engineering Science and Technology …, 2015 - Elsevier
Fiber-optic sensors are mostly used for in situ measurements of diverse chemical
composition of industrial surfactants employed in industry as detergents, emulsifying and …

Can optical fiber compete with profile analysis tensiometry in critical micelle concentration measurement?

F Hajirasouliha, H Yang, Q Wu… - … für Physikalische Chemie, 2021 - degruyter.com
Critical micelle concentration (CMC) is one of the important nominal characteristics of the
surfactants which can be measured using various methods. In this study, to detect the CMC …

Changes in mechanical behaviour of optical fibers aged in surfactant solutions

R El Abdi, M Poulain - Optics and Lasers in Engineering, 2012 - Elsevier
A solution containing surfactants presents appreciable changes in physical and chemical
properties at the critical micelle concentration (CMC). Besides signal transmission for …

Nanosized pollutants at the air-liquid interface under dynamic conditions: interfacial tension and rheology

F Hajirasouliha - 2022 - search.proquest.com
Human health has been adversely affected by air pollution. Ambient (outdoor) air pollution
causes 4.2 million deaths every year. Moreover, each year, 3.8 million people die from …

[PDF][PDF] Behavior of Optical Fiber Aged in CTAC Solutions

R El Abdi, AD Rujinski, RM Boumbimba… - International Journal of …, 2013 - academia.edu
The evolution of silica optical fiber strength aged in cetyltrimethylammonium chloride
solution (CTAC) has been investigated. If the solution containing surfactants presents …

Optical Fiber: A Potential Method for Critical Micelle Concentration Measurement

F Hajirasouliha, H Yang, Q Wu, D Zabiegaj - 2021 - nrl.northumbria.ac.uk
Critical Micelle Concentration (CMC) of the surfactants is one of the most significant nominal
properties of their solutions. This characteristic affects interfacial phenomena and bulk …