The natural pH of sodium dodecanoate (laurate), NaL, and sodium tetradecanoate (myristate), NaMy, solutions is measured as a function of the surfactant concentrations at 25 degrees C, and at several fixed NaCl concentrations. Surface tension isotherms are also obtained. Depending on the surfactant concentration, the investigated solutions contain precipitates of alkanoic acid, neutral soap, and...

A semiautomated procedure is described for the estimation of plasma free fatty acids. The method requires the preliminary preparation of a phospholipid-free plasma lipid extract which is then analyzed automatically by a colorimetric procedure based on the solubility of copper soaps in chloroform, with subsequent complexing of the copper with diethyldithiocarbamate and measurement of the extinct...

Protection against ultra violet radiation-induced DNA-damage in the skin is not only provided by the pigmentary system. The epidermal barrier consisting of stratum corneum keratinocytes, filaggrin and other proteins is an additional component of the UV-shield. Disruption of the epidermal barrier through frequent body cleansing with soaps and cosmetics may increase the risk of non-melanoma skin ...

OsO(4) fixation preserves some liquid-crystalline phases of soaps and phospholipids to an extent that it is possible to observe their structure in electron micrographs of thin sections. Good agreement exists between the structure observed directly and that deduced from x-ray diffraction studies of the same systems.

OBJECTIVES Levels of stool fatty acid soaps and beneficial bacteria differ between formula-fed and breast-fed infants; addition of specific formula ingredients may reduce these differences. This study evaluated the effects of a term infant formula containing high sn-2 palmitate term infant formula (sn-2) or an identical formula supplemented with oligofructose (OF) at 2 concentrations (sn-2+3 g/...

Much has been written recently about the potential hazards versus benefits of antibacterial (biocide)– containing soaps. The aim of this study was to evaluate the Bar soap from 20 different Dental clinics for microbial contamination, while it was “in-use”. This prospective study was performed with 40 samples between November and December 2015, at Dental clinic at Vellore in Tamilnadu, India. Of...