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KMID : 1059519920360020329
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Journal of the Korean Chemical Society
1992 Volume.36 No. 2 p.329 ~ p.334
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Ultrasonic Measurement in Bovine Serum Albumin Solution
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Bae Jong-Rim
Chang Seung-Hyun
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Abstract
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Ultrasonic absorption was measured in bovine serum albumin (BSA) aqueous solution (50 g/l) in the frequency range from 100 kHz to 1600 MHz at neutral pH. Three experimental techniques were used to cover the wide frequency range : plano-concave resonator, conventional Bragg reflection, and high-resolution Bragg reflection methods. The absorption spectrum at neutral pH fitted the relaxation curve well using the distribution function of a mirror image of Davidson-Cole function. The relaxaition behavior was interpreted in terms of various degree of hydration of BSA molecules.
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