引用本文:
王邦宁, 谈夫. 磷脂DHPC和短杆菌肽D相互作用的DSC研究[J]. 物理化学学报,
1998, 14(06): 548-551.
doi:
10.3866/PKU.WHXB19980613
Citation: Wang Bang-Ning, Tan Fu. DSC Study of the Interactions of Phospholipid DHPC and Gramicidin D[J]. Acta Physico-Chimica Sinica, 1998, 14(06): 548-551. doi: 10.3866/PKU.WHXB19980613
Citation: Wang Bang-Ning, Tan Fu. DSC Study of the Interactions of Phospholipid DHPC and Gramicidin D[J]. Acta Physico-Chimica Sinica, 1998, 14(06): 548-551. doi: 10.3866/PKU.WHXB19980613
磷脂DHPC和短杆菌肽D相互作用的DSC研究
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关键词:
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双-正-十七烷酰磷脂酰胆碱
- / 短杆菌肽D
- / 相变
- / 差示扫描量热法
English
DSC Study of the Interactions of Phospholipid DHPC and Gramicidin D
Abstract:
Changes of the behavior of the thermotropic phase transitions of the phospholipid DHPC by the action of miniprotein gramicidin D (G.D) have been studied by differential scanning calorimetry. The experimental results demonstrated that G.D could not remove the pretransition of DHPC, but the pretransition peak and the main transition peak of DHPC were incorporated into a broad peak. The pretransition temperature and the main transition temperature of DHPC decreased to different ex-tent. The sums of the pretransition and main transition enthalpies of DHPC showed a lineally decreasing relationship with increasing the mole fraction x_g of gramicidin D.
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