首页> 外文期刊>African Journal of Biotechnology >Evaluating the toxicity of permeability enhanchers of polyethylene glycol brij ethers surfactants group on cellular membranes and some of their physicochemical properties
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Evaluating the toxicity of permeability enhanchers of polyethylene glycol brij ethers surfactants group on cellular membranes and some of their physicochemical properties

机译:评价聚乙二醇溴醚表面活性剂基团在细胞膜上的渗透性增强剂的毒性及其一些理化性质

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The aim of this study is to evaluate the effect of polyethylene glycol brij ethers surfactants group on red blood cells as a model for biological membranes. Also in this study, physicochemical properties including emulsification index (E24), foam producing activity (Fh) and critical micelle concentration (cmc) were studied. Surfactant solutions were prepared in McIvan’s buffer in specific concentrations. 0.2 ml of red blood cells (RBC) was mixed with 0.2 ml of each surfactant solution. The four surfactant solutions had each been incubated differently at two different temperatures for three different times. Each test was done six times. The results were presented as mean absorbance ± the standard deviation. E24, Fh?and cmc were also determined for each surfactant solution. All of the surfactant solutions showed hemolytic activity. In comparison with the four studied surfactants, brij 56 had the highest hemolytic effect and brij 72 the lowest. The values of E24?and Fhhad good correlation with hydrophilic-lipophilic balance values. According to the results of this study, brijs should be used at concentrations lower than cmc in formulations. Also, according to the results, the use of brijs with low hemolytic effect such as brij 72, is preferred in pharmaceutical preparations.
机译:这项研究的目的是评估聚乙二醇溴醚表面活性剂基团对红细胞的影响,以此作为生物膜的模型。在这项研究中,还研究了包括乳化指数(E24),泡沫产生活性(Fh)和临界胶束浓度(cmc)在内的理化特性。表面活性剂溶液是在McIvan的缓冲液中以特定浓度制备的。将0.2 ml的红细胞(RBC)与0.2 ml的每种表面活性剂溶液混合。四种表面活性剂溶液分别在两个不同的温度下孵育了三个不同的时间。每个测试进行了六次。结果表示为平均吸光度±标准偏差。还测定了每种表面活性剂溶液的E24,Fh2和cmc。所有表面活性剂溶液均显示出溶血活性。与研究的四种表面活性剂相比,brij 56的溶血作用最高,而brij 72的溶血作用最低。 E24和Fh的值与亲水-亲脂平衡值具有良好的相关性。根据这项研究的结果,在配方中应以低于cmc的浓度使用brijs。同样,根据结果,在药物制剂中优选使用具有低溶血作用的brij,例如brij 72。

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