title: Chemometrics methods for the investigation of methylmercury and total mercury contamination in mollusks samples collected from coastal sites along the Chinese Bohai Sea.
abstract: The development and application of chemometrics methods, principal component analysis (PCA), cluster analysis and correlation analysis for the determination of methylmercury (MeHg) and total mecury (HgT) in gastropod and bivalve species collected from eight coastal sites along the Chinese Bohai Sea are described. HgT is directly determined by atomic fluorescence spectrometry (AFS), while MeHg is measured by a laboratory established high performance liquid chromatography-atomic fluorescence spectrometry system (HPLC-AFS). One-way ANOVA and cluster analysis indicated that the bioaccumulation of Rap to accumulate Hg was significantly (P<0.05) different from other mollusks. Correlation analysis shows that there is linear relationship between MeHg and HgT in mollusks samples collected from coastal sites along the Chinese Bohai Sea, while in mollusks samples collected from Hongqiao market in Beijing City, there is not any linear relationship.
authors.affiliation: Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, P.O. Box 2871, Beijing 100085, China.
authors.forename: Wang
authors.initials: W
authors.lastname: Yawei
authors.forename: Liang
authors.initials: L
authors.lastname: Lina
authors.forename: Shi
authors.initials: S
authors.lastname: Jianbo
authors.forename: Jiang
authors.initials: J
authors.lastname: Guibin
mesh_terms: D000704:Analysis of Variance; D000818:Animals; D002681:China; D016000:Cluster Analysis; D004784:Environmental Monitoring / Q000379:methods; D004785:Environmental Pollutants / Q000032:analysis*; D008628:Mercury / Q000032:analysis*; D008767:Methylmercury Compounds / Q000032:analysis*; D008974:Mollusca / Q000737:chemistry*; D009792:Oceans and Seas; D025341:Principal Component Analysis / Q000379:methods; D015203:Reproducibility of Results
chemical_list: D004785:Environmental Pollutants; D008767:Methylmercury Compounds; D008628:Mercury