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Separation and fluorescence enhancement of dansyl amino acids assisted by γ-cyclodextrin and bovine serum albumin as mobile phase additive in microcolumn liquid chromatography

✍ Scribed by Toyohide Takeuchi; Tomoo Miwa; Jianhua Chu

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
471 KB
Volume
7
Category
Article
ISSN
1040-7685

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✦ Synopsis

Abstract

The effects of γ‐cyclodextrin and bovine serum albumin as mobile phase additives on fluorescence intensity and retention of dansyl amino acids (Dns‐AAs) have been examined in microcolumn liquid chromatography. Polymercoated mixed‐functional silica packings were employed for the separation column. The concentrations of the additives, acetonitrile, and buffer affected the signal intensity and retention of DNA‐AAs. The use of the mobile phase additives improved the detection limits by a factor of as much as 7.4. © 1995 John Wiley & Sons, Inc.

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