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Spectroscopic study of propofol binding to human serum albumin

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RES_173_JOURNAL_3.pdf (522.6Kb)
التاريخ
2010-11-10
المؤلف
Darwish, Saqer M.
واصفات البيانات
عرض سجل المادة الكامل
الخلاصة
The interaction of propofol and human serum albumin (HSA) has been investigated by UV-absorption, fluorescence spectroscopy and Fourier transform infrared (FT-IR) spectroscopy. Propofol has shown a strong ability to quench the intrinsic fluorescence of HSA through a static quenching procedure. The binding constant (k) is estimated at a low value of 2.55×103 M−1 at 293K. FT-IR spectroscopy with Fourier self-deconvolution technique was used to determine the protein secondary structure in the amide regions I, II and III. The observed spectral changes of HSA-propofol complex indicate a larger intensity decrease in the absorption band of α-helix relative to that of β-sheets. This variation in intensity is related indirectly to the formation of H-bonding in the complex molecules, which accounts for the different intrinsic propensities of α-helix and β-sheets.
المكان (URI)
https://dspace.alquds.edu/handle/20.500.12213/782
حاويات
  • AQU researchers publications [767]
  • Biophysics Research Laboratory [16]

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جميع محتويات المستودعالمجموعات & الوحداتحسب تاريخ النشرالمؤلفونالعناوينالمواضيعهذه الوحدةحسب تاريخ النشرالمؤلفونالعناوينالمواضيع

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