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一类可降解的生物表面活性剂(Ⅰ)-芦丁脂肪酸酯在弱碱性水溶液中表面活性的研究 被引量:1
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作者 段煜 杜宗良 +1 位作者 唐卫文 吴大诚 《中国皮革》 CAS 北大核心 2006年第11期12-15,共4页
研究了3种可降解的生物表面活性剂-芦丁脂肪酸酯,在弱碱性水溶液中的表面吸附性质。芦丁硬脂酸酯(RS)、芦丁月桂酸酯(RL)和芦丁正己酸酯(RC)弱碱性水溶液的表面饱和吸附量分别为:1·71×10-11、1·35×10-11和1·41... 研究了3种可降解的生物表面活性剂-芦丁脂肪酸酯,在弱碱性水溶液中的表面吸附性质。芦丁硬脂酸酯(RS)、芦丁月桂酸酯(RL)和芦丁正己酸酯(RC)弱碱性水溶液的表面饱和吸附量分别为:1·71×10-11、1·35×10-11和1·41×10-11mol/cm2,它们的临界胶束浓度(CMC)分别是3×10-3、1·65×10-3和1·3×10-3mg/mL。其吸附等温线都属于Langmuir型。3种芦丁脂肪酸酯弱碱性水溶液的表面吸附,在标准状态下均能自发进行。 展开更多
关键词 生物表面活性剂 芦丁硬脂酸酯 芦丁月桂酸酯 芦丁正己酸酯 表面吸附 吸附等温线
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The Dependence of the Miscibility, Stability and Compressibility of L-<i>α</i>Dioleoylphosphatidylcholine/Rutin Laurate Monolayer at the Air/Water on Temperature
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作者 Anlong Li Xiaolan Wang +1 位作者 Yu Duan Liuya Wei 《Journal of Biomedical Science and Engineering》 2020年第7期131-139,共9页
The miscibility, stability and compressibility of L-<em>α</em> dioleoylphosphatidylcholine/rutin laurate mixed monolayer at the air/water were investigated by Langmuir film balance to reveal the character... The miscibility, stability and compressibility of L-<em>α</em> dioleoylphosphatidylcholine/rutin laurate mixed monolayer at the air/water were investigated by Langmuir film balance to reveal the characteristic of the molecular interaction. The two components of DOPC/RL mixed monolayer were miscible throughout the mixture composition range and at three experimental temperatures of 10<span style="white-space:nowrap;">&#176;</span>C, 25<span style="white-space:nowrap;">&#176;</span>C and 37<span style="white-space:nowrap;">&#176;</span>C. At all experimental conditions, RL increased the compressibility and elasticity of the DOPC monolayer. Both the temperature and the composition of the membrane affected the form of intermolecular forces in the mixed monolayer. 展开更多
关键词 Mixed Monolayers L-α Dioleoylphosphatidylcholine rutin laurate Surface Pressure-Area Isotherm Molecular Interaction
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