Detection of novel visible-light region absorbance peaks in the urine after alkalization in patients with alkaptonuria.

BACKGROUND: Alkaptonuria, caused by a deficiency of homogentisate 1,2-dioxygenase, results in the accumulation of homogentisic acid (2,5-dihydroxyphenylacetic acid, HGA) in the urine. Alkaptonuria is suspected when the urine changes color after it is left to stand at room temperature for several hou...

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Bibliographic Details
Main Authors: Yasunori Tokuhara, Kenichi Shukuya, Masami Tanaka, Mariko Mouri, Ryunosuke Ohkawa, Midori Fujishiro, Tomoo Takahashi, Shigeo Okubo, Hiromitsu Yokota, Makoto Kurano, Hitoshi Ikeda, Seiji Yamaguchi, Shinobu Inagaki, Mika Ishige-Wada, Hiromi Usui, Yutaka Yatomi, Tatsuo Shimosawa
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2014-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3900575?pdf=render