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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 24, Number 12
BKCSDE 24(12)
December 20, 2003

Title	Interrelation of Retention Factor of Amino-Acids by QSPR and Linear Regression
Author	Seung Ki Lee, Yulia Polyakova, Kyung Ho Row*
Keywords	Amino-acids, QSPR, Linear regression
Abstract	The interrelation between retention factors of several L-amino acids and their physico-chemical and structural properties can be determined in chromatographic research. In this paper we describe a predictor for retention factors with various properties of the L-amino acids. Eighteen L-amino acids are included in this study, and retention factors are measured experimentally by RP-HPLC. Binding energy (E_b), hydrophobicity (log P), molecular refractivity (MR), polarizability (α), total energy (E_t), water solubility (log S), connectivity index (χ) of different orders and Wiener index (w) are theoretically calculated. Relationships between these properties and retention factors are established, and their predictive and interpretive ability are evaluated. The equation of the relationship between retention factors and various descriptors of L-amino acids is suggested as linear and multiple linear form, and the correlation coefficients estimated are relatively higher than 0.90.
Page	1757 - 1762
Full Text	PDF

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