Synthesis, Surface and Antimicrobial Activities of Cationic Gemini Surfactants with Semi-Rigid Spacers

Four cationic gemini surfactants featuring semi-rigid spacers were synthesized via a two-step process. The surface-active properties of these surfactants were investigated through surface tension and electrical conductivity measurement. The thermodynamic parameters of micellization were evaluated fr...

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Bibliographic Details
Published in:Journal of surfactants and detergents 2016-03, Vol.19 (2), p.265-274
Main Authors: Zhu, Hai-lin, Hu, Zhi-yong, Ma, Xue-mei, Wang, Jian-long, Cao, Duan-lin
Format: Article
Language:English
Subjects:
Aggregation behavior
Antimicrobial activity
Antimicrobial agents
Aquatic Pollution
Bacteria
Chemical synthesis
Chemistry
Chemistry and Materials Science
Critical micelle concentration
Gemini surfactants
Industrial Chemistry/Chemical Engineering
Light scattering
Original Article
Physical Chemistry
Polymer Sciences
Semi‐rigid spacer
Surface tension
Surfaces and Interfaces
Surfactants
Thermodynamic parameter
Thermodynamics
Thin Films
Waste Water Technology
Water Management
Water Pollution Control
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Summary:Four cationic gemini surfactants featuring semi-rigid spacers were synthesized via a two-step process. The surface-active properties of these surfactants were investigated through surface tension and electrical conductivity measurement. The thermodynamic parameters of micellization were evaluated from electrical conductivity measurements at temperatures ranging from 293 to 313 K. The aggregation behavior of these synthesized gemini surfactants in water were investigated using dynamic light scattering and transmission electron microscopy. Further, the antimicrobial activities of these synthesized gemini surfactants against both Gram-positive and Gram-negative bacteria were also investigated.
ISSN:1097-3958
1558-9293
DOI:10.1007/s11743-015-1777-4