删除或更新信息,请邮件至freekaoyan#163.com(#换成@)

8种典型PhACs在水中的赋存、生态风险及其对大型溞的影响

本站小编 Free考研考试/2021-12-31

中文关键词药物活性化合物(PhACs)大型溞生殖生长生态毒理 英文关键词pharmaceutical active compounds (PhACs)Daphnia magnareproductiongrowthecological toxicology
作者单位E-mail
徐鑫磊河海大学环境学院,浅水湖泊综合治理与资源开发教育部重点实验室, 南京 210098xuxinlei941107@163.com
刘建超河海大学环境学院,浅水湖泊综合治理与资源开发教育部重点实验室, 南京 210098jianchao-liu@hhu.edu.cn
陆光华河海大学环境学院,浅水湖泊综合治理与资源开发教育部重点实验室, 南京 210098
中文摘要 检测了8种典型的药物活性化合物(PhACs)在污水处理厂尾水受纳河流中的赋存情况.结果显示8种PhACs夏、冬两季总浓度范围分别为27.6~226.4 ng·L-1和56.6~368.8 ng·L-1,其中咖啡因的浓度最高(16.2~125.8 ng·L-1),其次是罗红霉素(3.3~89.2 ng·L-1)和布洛芬(3.6~59.2 ng·L-1).8种PhACs对绿藻、溞类和鱼类的总体生态风险(MRQ)在夏、冬两季分别为1.51、0.08、5.68和8.34、0.22、6.45,其中酮康唑、红霉素和布洛芬对藻类、溞类和鱼类MRQ的贡献率分别达到了49%、85%和92%以上.从敏感物种来看,冬季绿藻对PhACs最为敏感,夏季鱼类对PhACs最为敏感.环境浓度下PhACs对大型溞21 d混合暴露实验结果显示:混合PhACs能够显著干扰大型溞的生长、生殖情况,显著提升了大型溞生殖能力和游泳活性,降低了心脏和胸肢跳动频率. 英文摘要 The occurrence and risk assessment of eight typical pharmaceutical active compounds (PhACs) in a receiving water body of wastewater treatment plant effluent were investigated. The results showed that the total concentrations of eight PhACs in summer and winter ranged from 27.6 to 226.4 ng·L-1 and 56.6 to 368.8 ng·L-1, respectively. The concentration of caffeine (16.2-125.8 ng·L-1) was highest, followed by roxithromycin (3.3-89.2 ng·L-1) and ibuprofen (3.6-59.2 ng·L-1). The total ecological risks (mixture risk quotients, MRQ) of eight PhACs to green algae, daphnia, and fish were 1.51, 0.08, and 5.68 in summer and 8.34, 0.22, and 6.45 in winter, respectively. The contribution rates of ketoconazole, erythromycin, and ibuprofen exceeded 49%, 85%, and 92% for MRQ in green algae, daphnia, and fish, respectively. In terms of sensitive species, green algae and fish are the most sensitive to PhACs in winter and summer, respectively. The results of 21 d chronic toxicity showed that mixed PhACs effect normal development and reproduction of Daphnia magna, resulting in an increase in reproductive capacity and swimming activity, and a reduction in heart rate and thoracic limb activity.

PDF全文下载地址:

https://www.hjkx.ac.cn/hjkx/ch/reader/create_pdf.aspx?file_no=20200526&flag=1&journal_id=hjkx&year_id=2020

閻庢鍠掗崑鎾绘⒑椤愶絿顣叉繝鈧幍顔惧崥婵顦糚闂佹寧绋掗惌顔剧博鐎涙ḿ鈻旈柛銉㈡櫓濞兼岸鏌ら弶鍨殶闁绘牜鍎ょ粙澶愬箻閼碱剛鎳濋柣鐘叉处瀹曟﹢锝炵€n偓绱i柟杈鹃檮椤撶懓銆掑铏《婵犫偓閸涘瓨鏅悘鐐插⒔濡层劑鏌¢崼顐㈠幐缂佹顦靛畷姘紣娴d警浼囬梺鍛婂笒濡繈骞愰崼鏇熸櫖濞达綀娅i崡婊堟倵閻㈠灚鍤€闁搞劍绻勭划璇参旂€n剛锛�
547闂佸湱顣介崑鎾绘⒒閸曗晛鐏柣妤€閰i幊鎾诲礃椤忓棗鐓涢梺鍏兼緲閸燁偄鐣烽敓锟�1130缂備礁顦粔鐢碘偓鍨皑閳ь剝顫夌喊宥夊汲閳ь剟鏌℃径瀣婵炲牊鍨垮畷锟犲礃瑜忕粙鍥╃磼婢跺﹦效闁告ǜ鍊栫缓钘壩旈崪浣规瘜闁圭厧鐡ㄩ幐鍫曞焵椤戞寧绁版い顐㈩儐閿涙劙骞嬮婊咁槷濠电偞鍨归弫绋棵烘繝鍥ㄥ殣閺夊牜鍋掗崵鏃堟煏閸℃洝鍏岀紒顔光偓瓒佽鎯斿☉鎺戜壕濞达絿鏅Σ鍫ユ煕閹烘挻鍋犻柍褜鍏涚欢姘跺闯妤e啯鎳氱€广儱鍟犻崑鎾存媴閻戞ê鈧偟鈧鎮堕崕顖炲焵椤戣儻鍏屾い鎾存倐閹爼宕遍幇銊ヤ壕濞达絾浜芥禒锕€霉閸忕厧鎼搁柍褜鍏涘ù鍥磼閵婏箑顕辨慨妯稿劗閸嬫挻鎷呯憴鍕暚闂佺厧寮惰ぐ鍐紦妤e啯鍋犻柛鈩冨姀閸嬫挻鎷呴悿顖氬箑闂佸搫鍊稿ú銏ゅ焵椤戞寧绁板瑙勬崌瀵敻顢涘Ο宄颁壕濞达綀顫夐悡鈧梻鍌氬€介濠勬閸洖绠绘い鎾村閸嬫挻鎷呴崷顓溾偓濠囨倵濞戝疇绀嬮柍褜鍏涚粈浣轰焊閹殿喒鍋撳☉瀹犵闁逞屽厸濞村洭顢橀崫銉т笉婵°倓鐒︾花姘舵煏閸℃洜顦︾€圭ǹ顭峰畷锝囦沪閸屾浜惧ù锝呮啞閸曢箖鏌i悙鍙夘棑闁逞屽厸閻掞箓寮崒姘f煢婵懓娲犻崑鎾存媴閸涘﹥鍣搁柣搴㈠喕鐠愮喖鍩€椤戞寧顦风紓宥咁儔閹虫牠鎳犻鍐炬蕉缂備焦鍐婚幏锟�28缂備緡鍋夐褔顢楅悢铏圭煋闁规惌鍨崇壕锟�
相关话题/河海大学 环境学院 中文 药物 英文

闂佺粯鍔楅幊鎾诲吹椤斿墽鍗氶悗锝庝簻缁侇噣鏌熼崗鑲╃煂闁稿矉鎷�2婵炴垶鎸稿ú銊╋綖閹烘鍤€闁告劦浜為崺锟犳煟閵忋倖娑ч柣鈩冪懇閹囧醇閿濆洢鍋掗梺鍝勫€归悷杈╂閿燂拷
婵犮垹鐖㈤崶褍濮ら梺鍛婂笒濡盯顢旈姀銈嗩棄閻庯綆鍠栭崢鎾煛閸曢潧鐏fい鎴濇处缁嬪鍩€椤掆偓閳诲酣妾遍柍褜鍓欓崯浼存偉濞差亝鏅悘鐐电摂閸ょ姴霉濠婂啴顎楁い鈹嫭濯撮柡鍥╁枔閸欌偓闂佸綊娼цぐ鐐电箔閹惧鈻旀慨妯诲墯閸わ箓鏌熺粙鎸庢悙闁伙綁绠栧顐⑩枎閹邦厾绋勯梺鎸庣☉閺堫剟宕归妸褎濯奸柛娑橈攻缁犳帞鈧灚婢橀悧鍡浰囬崸妤佸仾闁硅揪闄勯敍鏍煏閸℃洖顣╮ee婵犮垹缍婇埀顒佺⊕閵嗗啴鏌涢幒鎴烆棞妞ゆ帞鍠愮粙濠囨偐閻㈢數效闂佸吋婢橀崯浼存偉閸濆媱搴㈡綇椤愮喎浜鹃柡鍥ㄦ皑閻熲晛鈽夐幘缈犱孩妞ゆ洝娅曞ḿ蹇涘川椤撗冩20濡ょ姷鍋犻幓顏嗘濠靛绠戦柤濮愬€楀▔銏犆瑰⿰鍐╊棥缂佸顕埀顒€婀遍崑鐔煎极閵堝鍎嶉柛鏇ㄥ墮閻﹀綊鎮楃憴鍕暡闁哄棌鍋撻梺鍝勵槹閸旀牠鎮¢敍鍕珰闁靛繆鍓濋悡娆愮箾婢跺绀€鐎殿噣鏀卞鍕吋閸曨厾妲戦梺鍝勫€介~澶屾兜閸洘鏅悘鐐靛亾缁犳帡姊婚崶锝呬壕闁荤喐娲戦懗璺衡枔閹达附鍎戦悗锝庡幘缁犳牠鏌℃径娑欏