NDLI: Biodegradation of p-nitrophenol by Pseudomonas Aeruginosa HS-D38

Content Provider	IEEE Xplore Digital Library
Author	Yongliang Zheng Shangying Xua Yongze Yuana Wenxin Lia Yulin Zhong Li Xong Deli Liu
Copyright Year	2008
Description	Author affiliation: Coll. of Life Sci., Central China Normal Univ., Wuhan (Yongliang Zheng; Shangying Xua; Yongze Yuana; Wenxin Lia)
Abstract	p-nitrophenol (PNP) are an important and common environmental pollutants. In this study, Pseudomonas aeruginosa HS-D38 strain was selected to degrade PNP, and the degradation characteristics were investigated. Results showed that HS-D38 could use PNP as the sole carbon, nitrogen and energy source, and the degradation conditions including temperature, pH and initial concentration of PNP were optimized.The optimal temperature of PNP degradation was at 35degC,and in the range of pH 6.0-7.0, HS-D38 strain grew well and PNP could be efficiently degraded. Oxygen could accelerate PNP degradation. HS-D38 strain could grow and degrade PNP in an MSM medium under 500 $mgL^{-1}$ PNP, and grew well at the concentration range of 100 $mgL^{-1}~$ 400 $mgL^{-1}.$ In the optimum condition, $SOOmgL^{-1}$ PNP could be completely degrade within 10 h by HS-D38. HPLC and UV-visible spectra analysis indicated that the key degradation intermediate metabolite was aim at hydroquinone. Some other aromatics compounds including phenol, p-benzenediol, naphthalene, aniline, 1,2,3-benzenetriol and nitrobenzene could be degraded by HS-D38.
Starting Page	4497
Ending Page	4500
File Size	266896
Page Count	4
File Format	PDF
ISBN	9781424417476
DOI	10.1109/ICBBE.2008.284
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Biodegradation Temperature distribution Microorganisms Chemical engineering Carbon dioxide Educational institutions Capacitive sensors Water pollution Biology Thermal degradation
Content Type	Text
Resource Type	Article

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