Variation of particulate amino acid in the Suzhou River and the Huangpu River in Shanghai

Abstract

Abstract: Surface particulate samples were collected quarterly in 2007 from four sampling points of Suzhou River and Huangpu River for particulate amino acids (PAA) analysis. The comparison among the four sampling sites were made for general parameters (such as particulate organic carbon (POC), particulate organic nitrogen (PON)) and particulate state amino acid parameters (D and L amino acid and degradation index). The results showed that the amino acid changed more dramatically in Suzhou River. Inferred from the variations of Degradation Index (DI), the source of the particulate amino acids in July is the freshest in the both rivers. A good negative correlation relationship between D-Amino acid and DI suggests the variation of bacteria-derived D-AA during the degradation process.

Key words: the Suzhou River, the Huangpu River, amino acids, degradation index of amino acids(DI)

CLC Number:

P593

SHEN Bing-liang, CUI Ying, ZHU Zhuo-yi, WU Ying. Variation of particulate amino acid in the Suzhou River and the Huangpu River in Shanghai[J]. Journal of East China Normal University(Natural Sc, 2014, 2014(1): 99-106.

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