Abstract
To develop an in-vitro model to evaluate the efficiency of wound-rinsing solutions in removing adherent, hydrophobic, denatured proteins. We hypothesised that saline solutions would be less effective than surfactant-containing solutions in removing denatured proteins. Prepared slides containing dried blood plasma or fibrin were incubated for up to one hour in histological troughs filled with one of four test solutions: physiological saline solution, Ringer's solution, a surfactant-containing solution and an antiseptic. The concentration of dissolved proteins was measured using a modified Biuret test. Results were analysed by plotting protein concentration against the incubation time. During the incubation period, the protein concentration increased in all of the test solutions, with the lowest concentration reported in the two saline-based solutions. These stayed clear, while the surfactant-containing solution become opaque, indicating that the surfactant had encased hydrophic substances, such as denatured proteins. Ringer's solution and saline are inappropriate solvents for adhering wound coatings. A sterile, surfactant-containing wound rinsing solution contains the essential properties for thorough and gentle cleansing of chronic wounds. None.
Published Version
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