Research Focus Analysis of Endocrine Disrupting Chemicals (EDCs) Based on Bibliometrics
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摘要: 进入21世纪以来,环境内分泌干扰物(endocrine disrupting chemicals, EDCs)逐渐引起全世界的关注. 为系统梳理EDCs领域文章的知识结构与研究脉络,探究EDCs的研究热点与未来趋势,以中国知网(China National Knowledge Infrastructure, CNKI)与Web of Science (WoS)数据库中关于EDCs的文章为原始数据,分别检索到1 952与11 646篇相关文章,检索截止日期为2021年6月25日. 采用文献计量学方法,使用CiteSpace软件对文献进行可视化分析,分析文章的关键词、来源期刊、学科领域、国家机构和引用文献等,结果表明:①国际上对EDCs的研究已有近30年的历史,大致可分为早期探索(1991—2000年)、深入研究(2001—2011年)和扩展研究(2012—2021年)3个阶段,其研究热度与每年发文量均呈稳定增长趋势. ②EDCs的环境行为与毒理效应机制是国内外研究的焦点,尤其是双酚A类似物和苯甲酸酯类物质. ③美国和中国发表的EDCs相关文章较多,发文量分别为2 483和1 822篇. 关注EDCs研究的国家以欧美地区的发达国家为主;中国科学院大学与美国环境保护局为发表相关文章较多的机构,发文量分别为319和222篇. ④Environmental Health Perspectives是发文量最多的期刊,“环境科学”与“毒理学”是发文量最多的学科领域. 研究显示,国内外在EDCs领域的研究脉络大致相同,主要集中在双酚A、壬基酚等EDCs的毒性效应、机制以及环境检测领域,未来还应加强EDCs复合暴露及毒性修复的研究.
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关键词:
- 环境内分泌干扰物(EDCs) /
- 文献计量学 /
- CiteSpace /
- 可视化分析
Abstract: Since the 21st century, environmental endocrine disrupting chemicals (EDCs) have attracted the attention of scientists worldwide. In order to systematically sort out the knowledge structure and research lineage of articles on EDCs, and to discover some hot spots and future trends of EDCs research, China National Knowledge Infrastructure (CNKI) and Web of Science (WoS) databases were used to search the primary data. The original data were obtained from 1,952 and 11,646 articles in the CNKI and WoS databases, respectively, and the search deadline was of June 25th, 2021. The bibliometric method and CiteSpace software were used to visualize the articles and analyze the keywords, source journals, subject areas, national institutions, and cited literature. The results showed that: (1) The international research on EDCs has been conducted for more than 30 years, and this process can be divided three stages, including the early stages of exploration (1991-2000), the stage of in-depth research (2001-2011) and the stage of extended research (2012-2021), and the research intensity and the number of articles published each year are steadily increasing. (2) Environmental behaviors and toxicological effect mechanisms of EDCs are hotspots worldwide, especially BPA analogues and benzoates. (3) The United States and China published lots of EDCs-related articles, with 2,483 and 1,822 articles, respectively. The countries paying attention to EDCs research are mainly developed countries in Europe and the United States. The University of Chinese Academy of Sciences and the U.S. Environmental Protection Agency are the most published institutions, with 319 and 222 articles, respectively. Environmental Health Perspectives is the most published journal, and ‘Environmental Science’ and ‘Toxicology’ are the most published subject areas. This study shows that the research on EDCs at home and abroad is similar, mainly focusing on the toxic effects and mechanisms of EDCs such as BPA and nonylphenol and environmental detections. In the future, we should strengthen the research on compound exposure and toxicity remediation of EDCs. -
表 1 CNKI中EDCs研究领域发文量前5所机构的发文情况
Table 1. The top 5 institutions in the field of EDCs research in CNKI in terms of number of publications
排序 发文量/
篇机构 下属单位 下属单位发
文量占比/%1 36 同济大学 污染控制与资源化研究重点实验室 88.89 2 33 北京师范大学 水环境模拟国家重点实验室 93.94 3 16 中国科学院生态
环境研究中心环境水质学国家重点实验室 37.50 4 16 哈尔滨工业大学 市政环境工程学院 50.00 5 14 中国海洋大学 海洋生命学院 57.14 注:下属单位为对应机构中发文数量最多的单位. 表 2 CNKI中EDCs领域出现次数前10位的关键词
Table 2. Top 10 keywords with the most occurrences in EDCs field in CNKI
排序 关键词 出现次数 1 内分泌干扰物 328 2 环境内分泌干扰物 165 3 双酚A 89 4 壬基酚 33 5 固相萃取 22 6 饮用水 21 7 控制处理 19 8 环境行为 18 9 吸附 17 10 邻苯二甲酸酯 16 表 3 WoS中EDCs领域出现次数前20位的关键词
Table 3. Top 20 keywords with the most occurrences in EDCs field in WoS
排序 英文关键词 中文关键词 出现次数 1 endocrine disrupting chemical 内分泌干扰物 5 143 2 bisphenol A 双酚A 2 251 3 exposure 暴露 1 292 4 chemical 化学品 851 5 estrogen 雌激素 851 6 in vitro 体外 831 7 waste water 废水 789 8 gene expression 基因表达 659 9 water 水体 624 10 endocrine disruption 内分泌干扰 616 11 pharmaceutical 药物 602 12 degradation 降解 552 13 expression 表达 528 14 removal 去除 512 15 toxicity 毒性 489 16 fish 鱼类 480 17 nonylphenol 壬基酚 450 18 estrogenic activity 雌激素活性 441 19 polychlorinated biphenyl 多氯联苯 422 20 estrogen receptor 雌激素受体 420 注:关键词中endocrine disrupting chemical、endocrine-disrupting compound、endocrine disrupting compound已合并为endocrine disrupting chemical. 表 4 WoS中EDCs领域关键词的聚类信息
Table 4. Some important clustering information of keywords in EDCs domain in WoS
序号 聚类标签 关键词 英文 中文 #0 pesticides 杀虫剂 风险评估、DDT、激素 #1 solid phase extraction 固相萃取 质谱分析、串联质谱、废水 #2 prenatal exposure 产前接触 怀孕、子宫内暴露、雌鼠 #3 endocrine disruption 内分泌干扰 生殖、雌激素受体、发育 #4 obesity 肥胖 体重指数、代谢综合征、儿童 #5 derivatization 衍生化作用 气相色谱、性腺、固相微萃取 #6 estradiol 雌二醇 睾酮、鱼类、青春期 #7 laccase 漆酶 三氯生、对羟苯甲酸酯、雌酮 #8 polybrominated diphenyl ether 多溴二苯醚 雄激素受体、溴化阻燃剂、转录 #9 steroidogenesis 类固醇合成 芳香酶、阿特拉津、生长 #10 pharmaceuticals 药品 饮用水、地表水、臭氧化作用 #11 adsorption 吸附 光催化作用、复合材料、可见光 #12 biodegradation 生物降解 雌性、污泥、新污染物 #13 nonylphenol 壬基酚 双酚A、消除、膜生物反应器 #14 epigenetics 表观遗传学 DNA甲基化、胰岛素抵抗、肥胖 #15 exposure 暴露 隐睾症、双酚S、尿道下裂 #16 zebrafish 斑马鱼 青鳉鱼、性反转、生命周期 #17 bisphenol A 双酚A 雌激素、氧化应激、毒理机制 #18 adipogenesis 脂肪合成 性分化、类固醇、肥胖 #19 sorption 吸收 污泥、结构、有机质 #20 in vitro 体外 膜、环境分析、反渗透 #21 rat 鼠 细胞凋亡、DNA损伤、内分泌腺 #22 gene expression 基因表达 内分泌干扰物、虹鳟鱼、核受体 #23 sediment 沉积物 苯甲酮、生态风险、多环芳烃 #24 thyroid hormone 甲状腺激素 多氯联苯、大脑发育、肿瘤 #25 biomarker 生物标志物 基因表达、核糖核酸、内分泌干扰物 表 5 WoS中EDCs领域相关文章引用文献的聚类信息
Table 5. Some clustering information of cited articles related to the field of EDCs in WoS
序号 聚类群名称 规模 轮廓值 平均年 #0 双酚A 304 0.883 2010年 #1 苯甲酸酯类 208 0.889 2014年 #2 雌酮 193 0.889 2003年 #3 内分泌干扰作用 183 0.855 2002年 #4 乙烯菌核利 172 0.826 1997年 #5 生物富集 161 0.876 2011年 #6 卵黄蛋白原 141 0.957 1994年 #7 双酚S 133 0.905 2014年 #8 药品 116 0.916 2005年 注:规模表示该聚类涉及的关键词个数. 轮廓值表示该集群内部成员的相似性,同质集群的轮廓值接近1. 平均年表示集群内文献的平均发表年份,用于判断与现在研究的时间距离. 表 6 WoS中EDCs领域各集群中高被引文章相关信息
Table 6. Related information of highly cited articles in each cluster of important literatures in EDCs cited literature cluster in WoS
聚类群名称 第一作者 被引次数 年份 DOI #0 双酚A DIAMANTI K E 551 2009 10.1210/er.2009-0002 VANDENBERG L 530 2012 10.1210/er.2011-1050 GORE A C 294 2015 10.1210/er.2015-1010 ROCHESTER J R 218 2013 10.1016/j.reprotox.2013.08.008 SCHUG T T 210 2011 10.1016/j.jsbmb.2011.08.007 #1 苯甲酸酯类 GIULIVO M 72 2016 10.1016/j.envres.2016.07.011 WOODRUFF T J 68 2011 10.1289/ehp.1002727 ZOTA A R 66 2014 10.1289/ehp.1306681 PHILIPPAT C 59 2012 10.1289/ehp.1103634 BRAUN J M 58 2017 10.1038/nrendo.2016.186 #2 雌酮 TERNES TA 81 1999 10.1016/S0048-9697(98)00334-9 BARONTI C 77 2000 10.1021/es001359q YING G G 75 2002 10.1016/S0160-4120(02)00017-X KORTENKAM A 74 2007 10.1289/ehp.9357 JOHNSON A C 74 2001 10.1021/es010171j #3 内分泌干扰作用 KIDD K A 157 2007 10.1073/pnas.0609568104 VOS J G 97 2000 10.1080/10408440091159176 MILLS L J 91 2005 10.1016/j.scitotenv.2004.12.070 CHESHENKO K 62 2008 10.1016/j.ygcen.2007.03.005 JOBLING S 59 2006 10.1289/ehp.8050 #4 乙烯菌核利 KUIPER G G J M 67 1998 10.1210/en.139.10.4252 SONNENSCHEIN C 66 1998 10.1016/S0960-0760(98)00027-2 NAGEL S C 62 1997 10.1289/ehp.9710570 KELCE W R 61 1995 10.1038/375581a0 VOM SAAL F S 52 1998 10.1177/074823379801400115 #5 生 物富集 SOARES A 120 2008 10.1016/j.envint.2008.01.004 LUO Y L 90 2014 10.1016/j.scitotenv.2013.12.065 ARIS A Z 88 2014 10.1016/j.envint.2014.04.011 ADEEL M 72 2017 10.1016/j.envint.2016.12.010 ZHAO J L 68 2009 10.1016/j.scitotenv.2008.09.048 #6 卵黄蛋白原 DESBROW C 119 1998 10.1021/es9707973 JOBLING S 94 1998 10.1021/es9710870 ROUTLEDGE E J 73 1998 10.1021/es970796a COLBORN T 71 1993 10.2307/3431890 SOTO A M 67 1995 10.2307/3432519 #7 双酚S ROCHETER J R 134 2015 10.1289/ehp.1408989 HUANG Y Q 109 2012 10.1016/j.envint.2011.04.010 FLINT S 102 2012 10.1016/j.jenvman.2012.03.021 CHEN D 102 2016 10.1021/acs.est.5b05387 LIAO C Y 92 2013 10.1021/jf400445n #8 药品 KOLPINOL D W 186 2002 10.1021/es011055j BENOTTI M J 113 2009 10.1021/es801845a LIU Z H 104 2009 10.1016/j.scitotenv.2008.08.039 KIM S D 76 2007 10.1016/j.watres.2006.06.034 AURIOL M 63 2006 10.1016/j.procbio.2005.09.017 表 7 WoS中EDCs领域发文数量排名前10位的国家和机构
Table 7. Top 10 countries and institutions in WoS in terms of number of publications in the field of EDCs
排序 国家 发文量/篇 中心度 排序 机构 发文量/篇 1 美国 2483 0.23 1 中国科学院 319 2 中国 1822 0.05 2 美国环境保护局 222 3 日本 755 0.12 3 南京大学 102 4 加拿大 535 0.12 4 格拉纳达大学(西班牙) 86 5 西班牙 491 0.12 5 中国科学院大学 81 6 韩国 488 0.01 6 香港城市大学 81 7 法国 471 0.13 7 美国疾病控制与预防中心 78 8 德国 457 0.08 8 密苏里州大学(美国) 74 9 英格兰 433 0.07 9 美国卫生研究院 72 10 意大利 422 0.12 10 汉阳大学(韩国) 72 注:中心度表示该节点与其他节点的合作程度,中心度大于0.1,可视为关键节点. 表 8 WoS中EDCs领域共被引次数排名前10位的发文期刊和学科领域
Table 8. Top 10 publishing journals and subject areas in the field of EDCs co-cited in WoS
排序 期刊名称 被引篇数 影响因子 排序 学科领域名称 出现次数 1 Environmental Health Perspectives 6 214 9.031 1 Environmental Sciences & Ecology 3 890 2 Environmental Science & Technology 5 375 9.028 2 Environmental Sciences 3 839 3 Chemosphere 5 094 7.086 3 Toxicology 2 433 4 Science of the Total Environment 4 224 7.963 4 Chemistry 1 216 5 Environmental Toxicology and Chemistry 3 450 3.742 5 Engineering 1 092 6 Toxicological Sciences 3 427 4.849 6 Engineering, Environmental 857 7 Environment International 3 096 9.621 7 Public, Environmental & Occupational Health 846 8 Endocrinology 3 002 4.736 8 Biochemistry & Molecular Biology 722 9 Reproductive Toxicology 2 907 3.143 9 Endocrinology & Metabolism 680 10 Toxicology and Applied Pharmacology 2 774 4.219 10 Analytical Chemistry 640 注:影响因子更新于2021年6月30日. -
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