DSC Analysis of the Effect of Positive Electret on Rat Skin

DONG  Fa-Jie; LIANG  Yuan-Yuan; CUI  Li-Li; MA  Lin; LIU  Hong-Yue; JIANG  Jian

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DSC Analysis of the Effect of Positive Electret on Rat Skin

更新时间：2026-05-27

- DSC Analysis of the Effect of Positive Electret on Rat Skin
- Vol. 28, Issue 2, Pages: 91-94(2011)
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- Online First：25 June 2011，
  
  Published：2011
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董法杰, 梁媛媛, 崔黎丽, 马琳, 刘鸿越, 江键. 采用DSC技术观察正极性驻极体对大鼠皮肤结构的影响[J]. 广东工业大学学报, 2011, 28(2): 91-94.

DONG Fa-Jie, LIANG Yuan-Yuan, CUI Li-Li, et al. DSC Analysis of the Effect of Positive Electret on Rat Skin[J]. 2011, 28(2): 91-94.
董法杰, 梁媛媛, 崔黎丽, 马琳, 刘鸿越, 江键. 采用DSC技术观察正极性驻极体对大鼠皮肤结构的影响[J]. 广东工业大学学报, 2011, 28(2): 91-94. DOI：

DONG Fa-Jie, LIANG Yuan-Yuan, CUI Li-Li, et al. DSC Analysis of the Effect of Positive Electret on Rat Skin[J]. 2011, 28(2): 91-94. DOI：

摘要

利用恒压电晕充电技术将聚丙烯制备成不同表面电位的正极性驻极体，将驻极体作用于SD大鼠2 h，借助热分析技术对大鼠皮肤的差示扫描量热（DSC）图谱进行研究.结果显示：1）正常大鼠皮肤的DSC图谱中位于63 ℃、82.7 ℃和115.1 ℃出现了3个特征相变峰.2）与对照组的DSC图谱相比，大鼠皮肤DSC图谱中相变峰的峰值和峰面积随驻极体表面电位的增加而减少.结果：正极性驻极体的生物效应改变了大鼠皮肤角质层中层状类脂和蛋白质的空间结构，增强了类脂的流动性.正极性驻极体具有促进药物经皮渗透的作用.

Abstract

The positive electret was prepared by the constant voltage corona charging method. After the application of the electret on rat skin for 2 hours

the skin was analyzed by differential scanning calorimetry (DSC). The results indicate that (1) there are three peaks at 65 ℃

87 ℃ and 122 ℃ in the DSC spectra for control rat skin; (2) with the increase of electret surface potential

the peak temperature and peak area decrease as compared with control rat skin. Therefore

the biological effect of positive electret changes the space structure of lamellar lipid and protein

and increases the fluidity of lipid. Positive electret can enhance the drug transdermal delivery.

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