海参(Apostichopus japonicus)对三种多环芳烃的富集动力学研究
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摘要
应用半静态双箱动力学模型模拟了海参对苯并[a]芘、2-甲基蒽、3-甲基菲三种PAHs的生物富集实验,通过对这三种多环芳烃在海参体内含量进行非线性拟合,得到富集动力学参数。结果表明,海参对三种多环芳烃的富集能力和速率随着海水中的这三种多环芳烃的浓度增加而增加。海参在苯并[a]芘5μg/L、2-甲基蒽10μg/L和3-甲基菲100μg/L浓度条件下的吸收过程符合双箱动力学模型。在5μg/L条件下,海参对三种多环芳烃的平均富集系数,2-甲基蒽148.3>苯并[a]芘126.9>3-甲基菲88.0。
With the increase of sewerage discharge,PAHs pollution has become more serious.3,4-benzo(a)pyrene,9,10-dimethylanthracene,3-methylphenanthrene are carcinogenic PAHs in ocean.Sea cucumber(Apostichopus japonicus) is a widely cultured economic species in the coast of China.Therefore,it is particularly important to study the bioaccumulation of PAHs by sea cucumber.The semi-static two-compartment kinetic model was used to simulate the bioaccumulation experiment of 3,4-benzo(a)pyrene,9,10-dimethylanthracene,3-methylphenanthrene by Apostichopus japonicus.The bioaccumulation kinetics parameters of 3,4-benzo(a)pyrene,9,10-dimethylanthracene,3-methylphenanthrene were achieved by nonlinear curve fitting.The results showed that sea cucumber has ability to accumulate 9,10-dimethylanthracene,3,4-benzo(a)pyrene and 3-methylphenanthrene.The enrichment ability and rate of sea cucumber to the three polycyclic aromatic hydrocarbons increase with the increase of the concentration of the three polycyclic aromatic hydrocarbons in the seawater.The absorption processes of PAHs conform to two-compartment kinetic model under the conditions of 3,4-benzo(a)pyrene 5 μg/L,9,10-dimethylanthracene 10 μg/L and 3-methylphenanthrene 100 μg/L concentrations.The BCF of the three PAHs absorbed by sea cucumber are in the order of 9,10-dimethylanthracene 148.3>3,4-benzo(a)pyrene 126.9 >3-methylphenanthrene 88.0 at the concentration of 5 μg/L.
With the increase of sewerage discharge,PAHs pollution has become more serious.3,4-benzo(a)pyrene,9,10-dimethylanthracene,3-methylphenanthrene are carcinogenic PAHs in ocean.Sea cucumber(Apostichopus japonicus) is a widely cultured economic species in the coast of China.Therefore,it is particularly important to study the bioaccumulation of PAHs by sea cucumber.The semi-static two-compartment kinetic model was used to simulate the bioaccumulation experiment of 3,4-benzo(a)pyrene,9,10-dimethylanthracene,3-methylphenanthrene by Apostichopus japonicus.The bioaccumulation kinetics parameters of 3,4-benzo(a)pyrene,9,10-dimethylanthracene,3-methylphenanthrene were achieved by nonlinear curve fitting.The results showed that sea cucumber has ability to accumulate 9,10-dimethylanthracene,3,4-benzo(a)pyrene and 3-methylphenanthrene.The enrichment ability and rate of sea cucumber to the three polycyclic aromatic hydrocarbons increase with the increase of the concentration of the three polycyclic aromatic hydrocarbons in the seawater.The absorption processes of PAHs conform to two-compartment kinetic model under the conditions of 3,4-benzo(a)pyrene 5 μg/L,9,10-dimethylanthracene 10 μg/L and 3-methylphenanthrene 100 μg/L concentrations.The BCF of the three PAHs absorbed by sea cucumber are in the order of 9,10-dimethylanthracene 148.3>3,4-benzo(a)pyrene 126.9 >3-methylphenanthrene 88.0 at the concentration of 5 μg/L.
引文
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[18] 李磊,沈新强,李超,等.苯并[a]芘、菲在缢蛏体内的生物富集与释放[J].水产学报,2015,39(7):998-1004.
[19] 江锦花,丁理法.台州湾五种海洋生物体内多环芳烃的浓度、富集特征及环境效应[J].环境污染与防治,2007,29(5):394-397.
[20] 李天云,黄圣彪,孙凡,等.河蚬对太湖梅梁湾沉积物多环芳烃的生物富集[J].环境科学学报,2008,28(11):2354-2360.
[21] 许高鹏,蒋玫,李磊,等.三疣梭子蟹体内苯并[a]芘的富集动力学[J].海洋渔业,2014,36(4):357-363.
[2] 钟林燕,谢勇平,赖静萍,等.3,4-苯并芘暴露对食蚊鱼生长发育的毒性影响[J].江西农业学报,2014,26(4):94-97.
[3] 杨慧赞.苯并[a]芘在栉孔扇贝(Chlamys farreri)体内的毒代与毒效动力学研究[D].青岛:中国海洋大学,2008.
[4] 王静.栉孔扇贝对苯并芘(Benzo[a]pyrene)生物标志物筛选技术的初步研究[D].青岛:中国海洋大学,2008.
[5] 苗晶晶.苯并[α]芘对栉孔扇贝分子毒理学机制的研究[D].青岛:中国海洋大学,2010.
[6] 王琳.镉-苯并[α]芘复合污染对菲律宾蛤仔毒性效应的研究[D].青岛:中国海洋大学,2010.
[7] BAUSSANT T,SANNI S,JONSSON G,et al.Bioaccumulation of polycyclic aromatic compounds:1.Bioconcentration in two marine species and in semipermeable membrane devices during chronic exposure to dispersed crude oil[J].Environmental Toxicology and Chemistry,2001,20(6):1175-1184.
[8] WANG X H,WANG W X.Bioaccumulation and transfer of benzo(a)pyrene in a simplified marine food chain[J].Marine Ecology Progress Series,2006,312:101-111.
[9] DOS SANTOS FOGA?A F H,SOARES C,OLIVEIRA M,et al.Polycyclic aromatic hydrocarbons bioaccessibility in seafood:Culinary practices effects on dietary exposure[J].Environmental Research,2018,164:165-172.
[10] 李磊,沈新强,王云龙,等.在沉积物暴露条件下2种海洋贝类对Cu、Pb的富集动力学研究[J].水生生物学报,2012,36(3):522-531.
[11] 任加云,潘鲁青,苗晶晶.苯并(a)芘和苯并(k)荧蒽混合物对栉孔扇贝毒理学指标的影响[J].环境科学学报,2006,26(7):1180-1186.
[12] 刘晓晨,齐琳,杨波,等.大连地区6种贝类体内苯并(a)芘和3-羟基苯并芘含量测定[J].中国卫生检验杂志,2013,23(5):1243-1244,1247.
[13] 穆景利,王新红,林建清,等.苯并[a]芘对黑鲷肝脏GST活性的影响及其与肝脏代谢酶和胆汁代谢产物之间的变化关系[J].生态毒理学报,2009,4(4):516-523.
[14] 穆景利,王新红,林建清.黑鲷(Sparus macrocephalus)暴露苯并(a)芘后胆汁中代谢产物3-羟基-苯并(a)芘的剂量与时间-效应关系研究[J].环境化学,2007,26(4):487-490.
[15] ORIS J T,GIESY JR J P.The photo-induced toxicity of polycyclic aromatic hydrocarbons to larvae of the fathead minnow (Pimephales promelas)[J].Chemosphere,1987,16(7):1395-1404.
[16] BOWLING J W,LEVERSEE G J,LANDRUM P F,et al.Acute mortality of anthracene-contaminated fish exposed to sunlight[J].Aquatic Toxicology,1983,3(1):79-90.
[17] HATCH A C,BURTON JR G A.Photo-induced toxicity of PAHs to Hyalella azteca and Chironomus tentans:effects of mixtures and behavior[J].Environmental Pollution,1999,106(2):157-167.
[18] 李磊,沈新强,李超,等.苯并[a]芘、菲在缢蛏体内的生物富集与释放[J].水产学报,2015,39(7):998-1004.
[19] 江锦花,丁理法.台州湾五种海洋生物体内多环芳烃的浓度、富集特征及环境效应[J].环境污染与防治,2007,29(5):394-397.
[20] 李天云,黄圣彪,孙凡,等.河蚬对太湖梅梁湾沉积物多环芳烃的生物富集[J].环境科学学报,2008,28(11):2354-2360.
[21] 许高鹏,蒋玫,李磊,等.三疣梭子蟹体内苯并[a]芘的富集动力学[J].海洋渔业,2014,36(4):357-363.
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