Journal
JOURNAL OF SURFACTANTS AND DETERGENTS
Volume 20, Issue 1, Pages 159-171Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11743-016-1908-6
Keywords
Antimicrobial activity; Conductivity; Critical micelle concentration; Hydrodynamic diameter; Phosphole; Phospholium amphiphilic compounds; Structure-activity relationship; Surface tension
Funding
- Research and Development Operational Programme - ERDF [ITMS 26240120034]
- Slovak Research and Development Agency [APVV-0516-12]
- Grant Agency of Ministry of Education and Academy of Science of Slovak republic (VEGA) [1/0298/16]
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A series of novel phospholium amphiphilic compounds with straight alkyl chains with different numbers of carbon atoms (12, 14, 15, 16, 17, 18) were synthesized. The quaternary phosphorus, phosphonium cation, is incorporated into a five-membered heterocyclic ring. Their physicochemical properties were investigated by measurements of surface tension, conductivity and dynamic light scattering. The critical micelle concentration (c (M)), the surface tension value at the c (M) (gamma (cmc)), the surface area at the surface saturation per head group (A (cmc)), the ionization degree of micelle (alpha), the free energy of micellization (Delta GA degrees (mic)), and hydrodynamic diameter (d (h)) were determined. Antimicrobial activity was tested against bacteria and yeast. The structure-activity relationship was determined.
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