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Articles by Yuan Wang
Total Records ( 3 ) for Yuan Wang
  Wenli Lu , Kun Song , Yuan Wang , Qing Zhang , Wen Li , Huanli Jiao , Guolin Wang and Guowei Huang
 

Objective

To investigate the nature of the relationships between uric acid and metabolic syndrome (MetS) components.

Methods

Body mass index, waist circumference, serum uric acid, fasting glucose, lipid profiles, and blood pressure were measured in 13,811 subjects aged between 18 and 85 years of age. Two structural equation models (SEMs) were used to test a hypothesis regarding the linking roles of uric acid in the occurrence of MetS components in male and female separately.

Results

The findings of the SEM demonstrated that increased uric acid level was associated with fasting glucose (beta = 0.221, P < .001), blood pressure (beta = 0.158, P < .001), and lipid profiles (beta = 0.391, P < .001) in women. Increased uric acid level was associated with decreased fasting glucose (beta = −0.071, P < .001) and increased lipid profiles (beta = 0.352, P < .001) in men. The association was stronger between uric acid and lipid profiles than those between uric acid and other MetS components.

Conclusion

By using SEM, we were able to confirm the intimate relationships between uric acid and MetS components, particularly in women. The associations between uric acid and MetS components were gender specific, and the nature of such association requires further exploration.

  Yuan Wang , Wei-Na Wu , Qian Wang and Zheng-Yin Yang
  Cu(II) complexes of three bis(pyrrol-2-yl-methyleneamine) ligands were synthesized and characterized by elemental analyses, mass spectra, and IR spectra. X-ray diffraction analysis shows that [CuL3]2 is a dinuclear complex with an extremely distorted square-planar geometry. Furthermore, the antioxidant activities of the compounds have been investigated. The electrochemical properties of the Cu(II) complexes have also been studied by cyclic voltammetry. The Cu(II) complexes show similar superoxide dismutase (SOD) activity compared with that of the native Cu, Zn-SOD.
  Yuan Wang , Zheng Liu , Yongliao Wang , Jiongyang Gao and Yanhong Li
  The synthesis and characterization of two new grid complexes, [Ni4(L)4(DMF)4] . 2H2O (1) and [Mn4(L)4(DMF)4] (2) (where L is the anion of 3,5-dichlorosalicylaldehyde pyridine-2-formyl hydrazone), were investigated. X-ray crystal structure analysis reveals that the metal centers in both complexes exhibit slightly distorted square-bipyramidal coordination geometry. The dominating interaction of two adjacent grids for 1 and 2 is Cl ... H hydrogen bonds. The halogen-hydrogen bond is a key factor to stabilize the crystal structure of chloro-substituted grid compounds. Thermogravimetric curves of 1 and 2 exhibit distinct weight loss stages at different temperatures and reflect the thermal stability of the complexes. Both UV-visible and fluorescence spectra of 1 and 2 indicate they have a stronger conjugated system and the same significant quenching ability compared with H2L. The ESI-MS spectra of 1 and 2 prove that the tetranuclear grids decompose in methanol/water solution.
 
 
 
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