Publications by authors named "Da-yong Xu"

In recent years, China's air environment, water environment, and soil environmental quality have been improved, and a "clear water blue sky" has become a normal state. However, as persistent organic pollutants, endocrine-disrupting chemicals, antibiotics, microplastics, and other emerging contaminants are continuously detected in the environment, these emerging contaminants have gradually been attracting wide attention. Nonylphenol, as a typical endocrine disrupting chemical, has also attracted the attention of researchers.

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Background: The leaves of Retz. has been documented in the folk medicine literature for its anti-arthritic activity. The target of the research envisaged was to elucidate the activity of extract on hyperuricemic condition in arthritis rat model.

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Baseline blood concentrations of metals are important references for monitoring metal exposure in environmental and occupational settings. The purpose of this study was to determine the blood levels of manganese (Mn), copper (Cu), zinc (Zn), lead (Pb), and cadmium (Cd) among the residents (aged 12-60 years old) living in the suburb southwest of Beijing in China and to compare the outcomes with reported values in various developed countries. Blood samples were collected from 648 subjects from March 2009 to February 2010.

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Objective: To screen angiotensin converting enzyme inhibitor (ACEI) from traditional Chinese medicine, Salvia miltiorrhiza.

Method: Hydrophilic and lipophilic fractions of S. miltiorrhiza were isolated, and their effective components were screened by a fluorimetric assay for inhibition of angiotensin converting enzyme (ACE).

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