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KMID : 0357520070300020161
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Journal of Radiological Science and Technology
2007 Volume.30 No. 2 p.161 ~ p.165
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Wide-Band Ultrasonic Spectroscopy in Albumin Aqueous Solution
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Kim Jeong-Koo
Bae Jong-Rim
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Abstract
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Ultrasonic absorption spectrum in bovine serum albumin aqueous solutions have been measured at over the broad frequency range at pH 7. The absorption spectrum observed at neutral pH was successfully analyzed with the distribution of relaxation time assuming a mirror-image curve of the Davidson-Cole function. This distribution function suggests that hydration of BSA molecules is responsible for the absorption.
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KEYWORD
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BSA, Ultrasonic absorption, Relaxation time, Hydration
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