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海洋有机地球化学实验室II ! o$ I; \" Y. m ~5 l F7 f# t
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" x7 \9 N* u* Q+ y8 Z4 c9 r4 E 课题组负责人及老师介绍: ; ?0 ]4 p: v' S, P7 T
李先国 教授,博士生导师
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+ B7 m9 z( j$ K% S2 p" I3 | 冯丽娟教授,硕士生导师
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张大海 副教授,硕士生导师
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# l" ^2 } {7 A. n' J 姚硕 讲师 1 _9 I' p) r. E5 o: |1 P
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# t. H4 v {- G( ~( E e 课题组研究领域与方向  6 {0 t3 t, b7 q) z. ?. {
目前课题组主要开展四个方向的研究,分别是: : M, X2 U* B- n$ Y9 U3 p
(一)、陆源有机物及其沉积记录:以木质素、正构烷烃、脂质等为特征生物标志物,研究其在海洋中的沉积记录及其环境地球化学意义。
+ `% ], n7 P- J5 Z (二)、现代有机污染物及其转化机理:通过实验室模拟实验中降解中间产物或/和代谢产物的分析、稳定同位素分馏效应的测定以及理论计算,与现场测定结果相结合,研究典型有机污染物在环境中的来源、分布及其光降解和生物降解机理,结合定量构效关系研究,评价其生态风险。目前已经开展的污染物研究包括多环芳烃(PAH)、多氯联苯(PCB)、多溴联苯醚(PBDE)、德克隆(DP)、塑化剂(PAES)、烷基酚(NP和OP)、微塑料(MP)等。
6 d3 u) R- e7 O+ w- \; n6 v6 K0 X" b (三):海洋资源化学:通过分析海洋来源物质的成分、结构,确定其可能的生物能量来源,判别其使用价值,尤其是潜在价值。通过各种化学方法或手段转化为可持续资源、能源,如浒苔液化、镁盐晶须、人工海水等。针对当前环境氮、硫污染问题,从源头出发,开展气体、液体的除氮、脱硫工艺研究。
. [: T% j7 A+ s. O$ | (四)、微生物化学:通过分析海洋来源微生物群落结构、功能基因、次级代谢产物以及中间产物来探索小分子活性物质的生物合成途径、机理,进一步确定元素迁移路径和能量的转化方式,同时探索发现活性天然产物。通过特殊环境来源微生物的驯化,探索微生物在污染物的去除、降解方面的应用。
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课题组重要成果 - ~9 J' }" d0 ^0 n4 S2 Z1 @( O
1)Chanjuan Li, Dahai Zhang, Jialin Peng, Xianguo Li*.The effect of pH, nitrate, iron (III) and bicarbonate on photodegradation of oxytetracycline in aqueous solution. Journal of Photochemistry and Photobiology A: Chemistry, 2018, 356: 239–247.
: W* m4 y" U5 E 2)Yanxia Lin, Wei Deng*, Shengyong Li, Jiafu Li, Guoguang Wang, Dahai Zhang, Xianguo Li*. Congener profile, distribution, sources and ecological risk of parent and alkyl-PAHs in surface sediments of Southern Yellow Sea, China. Science of the Total Environment, 2017, 580: 1309–1317. 9 j( U& L: `8 k: \ `+ r
3)Guoguang Wang, Jialin Peng, Ting Hao, Yao Liu, Dahai Zhang, Xianguo Li*. Distribution and region-specific sources of Dechlorane Plus in marine sediments from the coastal East China Sea. Science of the Total Environment, 2016, 573: 389–396. ' t$ V0 u- d* O+ r) y* J6 n+ I
4)Guoguang Wang, Jialin Peng, Dahai Zhang, Xianguo Li*. Characterizing distributions, composition profiles, sources and potential health risk of polybrominated diphenyl ethers (PBDEs) in the coastal sediments from East China Sea. Environmental Pollution, 2016, 213: 468-481. - `& x4 [& L( P' g$ `
5)Guoguang Wang, Jialin Peng, Xiang Xu, Dahai Zhang, Xianguo Li*. Polybrominated diphenyl ethers in sediments from the Southern Yellow Sea: Concentration, composition profile, source identification and mass inventory. Chemosphere, 2016, 144: 2097-2105.
) b6 S$ N+ J: A0 g 6)Jiafu Li, Han Dong, Xiang Xu, Bin Han, Xianguo Li*, Chenjian Zhu, Chen Han, Shaopeng Liu, Dandan Yang, Qian Xu, Dahai Zhang*. Prediction of the bioaccumulation of PAHs in surface sediments of Bohai Sea, China and quantitative assessment of the related toxicity and health risk to humans. Marine Pollution Bulletin, 2016, 104: 92-100. 5 f+ n3 w- ^: G: c% Q' W
7)Jialin Peng, Guoguang Wang, Dahai Zhang, Dongmei Zhang, Xianguo Li*. Photodegradation of nonylphenol in aqueous solution by simulated solar UV-irradiation: The comprehensive effect of nitrate, ferric ion and bicarbonate. Journal of Photochemistry and Photobiology A: Chemistry, 2016, 326: 9–15. , \( {( Y8 \7 f6 Q$ s M1 o' g
8)Yan Zhang, Ying Liu, Han Dong, Xianguo Li, Dahai Zhang*. The nonylphenol biodegradation study by estuary sediment-derived fungus Penicillium simplicissimum. Environmental Science and Pollution Research, 2016, 23(15): 15122–15132. 2 i" x) [4 i9 H& i
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# |) \& f2 J% T3 S g 课题组照片     . q, _3 a! I& L6 X( M
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