目的 分析低水平职业性苯接触的研究现状和热点趋势.方法 以Web of Science和中国知识基础设施工程(即中国知网)为检索数据库,检索2000年1月1日至2022年12月31日中英文期刊公开发表的有关低水平职业性苯接触的文献,采用文献计量学方法进行分析.结果 纳入有效文献327篇,包括英文216篇,中文111篇.(1)英文文献历年发文量波动较大,无明显的持续增长或下降趋势;共有45个国家和地区359家研究机构的作者在97种英文期刊上发表了英文相关文献,涉及226项基金的281次资助;发文量居前3位的国家分别是美国、意大利和中国,分别有81、46和43篇;英文文献主要集中在血液毒性、氧化应激和DNA损伤等基因层面的机制研究.(2)中文文献发文量在2012年后逐渐增加,2017年出现明显的增长峰值;有26个省、自治区和直辖市127家研究机构的作者在51种中文期刊发表了中文相关文献,涉及78项基金的154次资助;中文文献偏向苯所致血液毒性和职业健康损害方面的研究.结论 低水平职业性苯接触的研究以中国、美国和意大利居多,主要集中于血液毒性方面研究.追踪国际研究方向与热点对国内该领域的研究有一定的参考价值.
Bibliometric analysis on research about low-level occupational benzene exposure
Objective To analyze the research status and trends in low-level occupational benzene exposure.Methods Articles on low-level occupational benzene exposure from Chinese and English journals from January 1st,2000,to December 31th,2022 were retrieved using the Web of Science and the China National Knowledge Infrastructure,and a bibliometric analysis was conducted.Results A total of 327 articles were included in the analysis,comprising 216 English articles and 111 Chinese articles.i)The number of articles published in English fluctuates greatly over the years,without a trend of continuous growth or decline.Authors from 359 research institutions in 45 countries and regions have published relevant English articles in 97 kinds of journals,involving 281 grants from 226 foundations.The top three countries in terms of articles amount were the United States,Italy,and China,with 81,46,and 43 papers,respectively.The English articles mainly focused on mechanistic research at the genetic level,such as hematotoxicity,oxidative stress,and DNA damage.ii)The number of Chinese articles increased gradually after 2012,with the growth peak in 2017.Authors from 127 research institutions in 26 provinces,autonomous regions,and municipalities published Chinese articles in 51 kinds of journals,involving 154 grants from 78 foundations.Chinese articles tended to focus on benzene-induced hematotoxicity and occupational health damage.Conclusion Most studies on low-level occupational benzene exposure were conducted in China,the United States and Italy,focused on hematotoxicity.Monitoring international research topics and hotspots of the field has certain reference value for related research in China.
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