Jong-Rim Bae
Daegu University
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Publication
Featured researches published by Jong-Rim Bae.
The Journal of the Acoustical Society of Korea | 2012
Jong-Rim Bae
ABSTRACT: The aim of this work was to reveal the effect of butanoic acid in its dissociated form and undissociated form as a guest molecule on the ki netic parameters in an inclusion reaction with β-cyclodextrin (β-CD). Ultrasonic absorption measurements in the frequency range from 0.2 to 45 MHz were carried out for β-CD solutions with butanoic acid at 25 ℃ by ultrasonic relaxation method. The rate and the equilibrium constants were obtained from the guest concentration dependence of the relaxation frequency, and the standard volume change of the complexation reaction were obtained from the maximum absorption per wavelength. A single relaxational absorption was observed, and the cause of the relaxation was attributed to a perturbation of the chemical equilibrium associated with a complexation reaction between β-CD and butanoic acid. These results were compared with those in solutions containing both β-CD and different guest molecules. It was found that the hydrophobicity of guest molecules played an important role in the formation of the inclusion complex and also that the charge on the carboxylic group had a considerable effect on the kinetic characteristics of the complexation reaction.
Bulletin of The Korean Chemical Society | 2009
Jong-Rim Bae; ChangWoo Lee
Bulletin of The Korean Chemical Society | 2010
Jong-Rim Bae; Jeong Koo Kim; ChangWoo Lee
Journal of the Korean Physical Society | 2009
Jong-Rim Bae; Jung Hee Do
Journal of the Korean Physical Society | 2006
Jong-Rim Bae
Bulletin of The Korean Chemical Society | 2016
Jong-Rim Bae
Journal of the Korean Physical Society | 2013
Jong-Rim Bae
Journal of the Korean Physical Society | 2009
Jong-Rim Bae
Journal of the Korean Physical Society | 2008
Jong-Rim Bae; Jinwoo Han; Byeong June Min
Journal of the Korean Physical Society | 2007
Jong-Rim Bae