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海洋有机地球化学实验室II
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$ ~3 N$ e' L( r# f o 课题组负责人及老师介绍： 1 T$ t0 F6 F) h3 Y
李先国 教授，博士生导师 ) @& v2 k E G3 R+ }% l/ g6 ], i$ z
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& c, m0 i! I7 M9 p1 e, g 冯丽娟教授，硕士生导师
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: @8 g9 C) X) b) \1 y/ ? 张大海 副教授，硕士生导师
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* D0 L1 ` b3 L' f! F! \ 姚硕 讲师 # t8 c+ ]: D6 C" u4 j. Y3 h$ L
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课题组研究领域与方向 0 k; f) c: A' j$ b% S1 _9 H
目前课题组主要开展四个方向的研究，分别是：
" N( \% W; r6 E: N: f: V' D! A- U （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。 ( D# U4 m. E( J, m+ n+ K4 l" }6 C% \
（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。 4 c1 v+ a6 D8 [ ]% }
（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。
/ o" j) I, u9 ?- h: i! 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
5 ?" | |+ g: \% H% [ 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. 8 d: X- m% X6 C, K0 [# k7 J7 K9 E3 ]/ V
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.
4 O- u) {9 ]6 v9 y1 V! c% S 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.
+ ?; w z4 W- L" D& y, j5 G3 ` 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.
+ }# _0 Z& c/ R, q 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. # B8 o, w. B3 i8 ]7 k W
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.
+ n% o u0 l9 S5 r 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.
* i* _9 Y* j; j/ t6 E# r/ j- A 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.
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课题组照片    4 |- v' F! n" Y. H
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