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典型有机磷酸酯阻燃剂有害结局路径(AOP)的机制探索 期刊论文
海岸科学, 2019, 卷号: 6, 期号: 1, 页码: 16-21
作者:  王晓晴;  李斐;  吉成龙;  吴惠丰
Adobe PDF(509Kb)  |  收藏  |  浏览/下载：312/63  |  提交时间：2021/11/11
有机磷酸酯阻燃剂(OPFRs)  毒理效应  计算毒理学  有害结局路径(AOP)  
雌二醇分子印迹聚合物的制备与应用研究进展 期刊论文
分析试验室, 2019, 期号: 02, 页码: 242-248
作者:  马素亚;  鹿文慧;  尤慧艳;  李金花;  陈令新
浏览  |  Adobe PDF(254Kb)  |  收藏  |  浏览/下载：433/206  |  提交时间：2020/07/08
雌二醇  分子印迹聚合物  样品前处理  传感  膜分离  Estradiol  Molecularly imprinted polymers  Sample pretreatment  Sensor  Membrane separation  
食用蔬菜能吸收和积累微塑料 期刊论文
科学通报, 2019, 卷号: 64, 期号: 9, 页码: 928-934
作者:  李连祯;  周倩;  尹娜;  涂晨;  骆永明
收藏  |  浏览/下载：499/0  |  提交时间：2020/06/17
微塑料  生菜  聚苯乙烯微球  吸收  积累  健康风险  microplastics  lettuce  polystyrene microbeads  uptake  accumulation  human health risk  Microplastic (MP, 100 nm-5 mm) may present an attributable risk to ecosystem and human health, and its pollution has become a global environmental concern. Despite a wealth of information on the accumulation of MPs in aquatic species, there is no information on the uptake and accumulation of MPs by higher plants. Terrestrial edible plants are directly exposed to MPs when agricultural soil was applied with organic manure, sewage sludge as fertilizer or plastic mulching. In this paper, the uptake of two sizes of polystyrene (PS) microbeads (0.2 and 1.0 mum) and then their distribution and migration in an edible plant lettuce were firstly investigated based on laboratory experiments. We used fluorescent markers to track PS microbeads in plant tissues and found fluorescence to be a sensitive and reliable detection method. Sections from untreated control lettuce showed no autofluorescence. When roots were treated with fluorescently labeled PS microbeads, the microbeads could be identified by its fluorescence. Our main study investigated the uptake of 0.2 mum beads, as few luminescence signals were observed in lettuce roots for 1.0 mum beads in our experiment. We observed that 0.2 mum fluorescent microbeads were extracellularly trapped in the root cap mucilage (which is a highly hydrated polysaccharide) and a dark green tip (which was typical of lettuce roots exposed to label PS beads) was usually visible to the naked eye. Confocal images revealed that the PS luminescence signals were mainly located in the vascular system and on the cell walls of the cortex tissue of the roots, indicated that the beads passed through the intercellular space via the apoplastic transport system. Once inside the central cylinder, the 0.2 mum PS beads were transferred from the roots to the stems and leaves via the vascular system following the transpiration stream. We also observed that the PS beads adhered to one another and self-assembled systematically into grape-like and (chain) string-like clusters in the intercellular space of the root and stem vascular tissue of lettuce plant. In contrast to the root and stem, PS beads were dispersed in the leaf tissue. Here, for the first time we provide evidence of the adherence, uptake, accumulation, and translocation of submicrometer MPs within an edible plant. Our findings highlight the previously underappreciated human exposure pathway to MPs through the consumption of contaminated crops and emphasize the need for new management strategies to control the release of MPs waste products into the terrestrial environment. Ultimately, the potential impacts of low range sized MPs on food safety of crop plants and human health need to be urgently considered.  
溴系阻燃剂毒理效应的计算模拟预测与环境风险评估进展 期刊论文
生态毒理学报, 2019, 卷号: 14, 期号: 4, 页码: 2-13
作者:  李斐;  王晓晴;  刘佳琳;  孟祥敬;  吉成龙;  吴惠丰
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溴系阻燃剂  毒理效应  计算毒理学  风险评估  Brominated Flame Retardants (Bfrs)  Toxicological Effect  Computational Toxicology  Risk Assessment  
磷酸三苯酯(TPP)和磷酸三(2-氯异丙基)酯(TCPP)诱导人胚肾细胞HEK293凋亡的机制研究 期刊论文
生态毒理学报, 2019, 卷号: 14, 期号: 5, 页码: 123-132
作者:  王晓晴;  刘佳琳;  李斐;  曹天贵;  吴惠丰;  孟祥敬;  吉成龙
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有机磷酸酯阻燃剂  磷酸三(2-氯异丙基)酯(Tcpp)  磷酸三苯酯(Tpp)  肾细胞  细胞凋亡  Organophosphate Flame Retardant  Tris (2-chloroisopropyl) Phosphate (Tcpp)  Triphenyl Phosphate(Tpp)  Kidney Cell  Apoptosis  
新型铁铜锰复合氧化物颗粒吸附剂As(Ⅲ)吸附行为与机制研究 期刊论文
环境科学学报, 2019, 卷号: 39, 期号: 8, 页码: 2575-2585
作者:  王建燕;  张传巧;  陈静;  张高生
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颗粒吸附剂  铁铜锰复合氧化物  吸附  氧化  再生  As(ⅲ)  Granular Sorbent  Fe-cu-mn Trimetal Oxide  Arsenite  Sorption  Oxidation  Regeneration  
土壤中二苯砷酸的吸附解吸、结合形态与代谢转化研究进展 期刊论文
生态环境学报, 2019, 卷号: 28, 期号: 12, 页码: 2447-2453
作者:  涂晨;  路露露;  朱濛;  韦婧;  刘颖;  骆永明
Adobe PDF(1362Kb)  |  收藏  |  浏览/下载：703/275  |  提交时间：2020/07/08
二苯砷酸  吸附解吸  结合形态  代谢转化  铁还原  硫酸盐还原  Diphenylarsenic Acid  Adsorption-desorption  Binding Species  Metabolic Transformation  Iron Reduction  Sulfate Reduction