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1、基本检索技巧-如何利用主题词在CAplus中查找信息1 什么是STN 联机前的准备工作 在线操作内 容2STN- The Scientific Johncock, W.; De Polo, K. -F.; Blankenburg, G.; Fohles, J.; Schafer, K.; Hocker, H. CORPORATE SOURCE: Roche Vitamins and Fine Chemicals, Geneva, Switz. SOURCE: Cosmetics ISSN: 0361-4387 PUBLISHER: Allured Publishing Corp. DOCUME
2、NT TYPE: Journal LANGUAGE: English CLASSIFICATION: 62-3 (Essential Oils and Cosmetics) ABSTRACT: UV-induced alterations in virgin blond Caucasian hair and in virgin black Asian hair were assessed in a preliminary study by measuring color changes, mech. properties (single hair friction, combing force
3、 and tensile strength), FTIR spectroscopy and classical amino-acid anal. The amino-acid anal. seemed the most sensitive test. Next, virgin blond Caucasian hair were treated with 10 protective test formulations and exposed each to simulated sunlight. The different results can be attributed to qual. d
4、ifferences in deposition induced by the formulation.原始文献有7页作者所写简写17CAplus中的一篇记录接上页)SUPPL. TERM: UV damage hair filter amino acid INDEX TERM: Hair preparations(creams; study of UV damage on human hair) INDEX TERM: Hair preparationsHair preparations(emulsions; study of UV damage on human hair) INDEX T
5、ERM: ShampoosSunscreens(study of UV damage on human hair) INDEX TERM: Amino acids, analysisROLE: ANT (Analyte); ANST (Analytical study)(study of UV damage on human hair) INDEX TERM: 56-89-3, Cystine, analysis 60-18-4, Tyrosine, analysis 73-22-3, Tryptophan, analysis 498-40-8, Cysteic acidROLE: ANT (
6、Analyte); ANST (Analytical study)(study of UV damage on human hair)索引词索引副标题CAS Registry Numbers (物质的系统编码)CAS Role (物质的详细信息)18CAplus中的检索字段其最常用检索字段：字段代码含 义字段代码含 义BI基本索引（包括 AB,TI,ST和IT）DT文献类型AB摘要PY出版年CT索引词LA语言AU作者PB出版社PD出版日期SO原文出处注：CAplus中有39个常用检索字段，具体信息请见STN Database Summaryhttp:/www.cas.org/support/s
7、tngen/dbss/index.html19CAplus中的检索字段如果只查找专利，则其最常用检索字段有：字段代码含 义字段代码含 义PN专利号PRN优先权号IPC国际专利分类号AY专利申请年IN发明人PRY优先权申请年AP申请号PC专利国家注：CAplus中有53个字段供检索专利，具体信息请见STN Database Summaryhttp:/www.cas.org/support/stngen/dbss/index.html20检索步骤运用主题词在CAplus中检索文献的步骤2. 查找关键词的同义词、不同拼写及缩写1. 确定检索问题中的关键词语3. 进行初步检索21检索步骤5.调整检索式
8、（可选）4. 评价结果6.显示结果运用主题词在CAplus中检索文献的步骤检索步骤22检索问题: What has been reported on the antitumor activity of antibiotics derived or produced from Streptomyces bacteria?23第一步：确定关键的主题词主题词1主题词2主题词3antitumorantibioticsStreptomyces24第二步:确定关键词语的同义词或缩写Antitumor：anticancer, antineoplastic, antitumour, anti-tumorAnt
9、ibiotics: immue, resistant25 进行初步检索有助于帮助我们决定检索策略是否正确 在初步检索时，将连续用到三个基本指令第三步：进行初步检索26 运用FILE指令进入数据库= FILE CAPLUS FILE CAPLUS ENTERED AT 20:34:16 ON 24 OCT 2006 USE IS SUBJECT TO THE TERMS OF YOUR STN CUSTOMER AGREEMENT. PLEASE SEE “HELP USAGETERMS“ FOR DETAILS. COPYRIGHT (C) 2006 AMERICAN CHEMICAL SOC
10、IETY (ACS)Copyright of the articles to which records in this database refer is held by the publishers listed in the PUBLISHER (PB) field (available of this information, without the prior written consent of CAS, is strictly prohibited.FILE COVERS 1907 - 23 Jul 2009 VOL 151 ISS 4FILE LAST UPDATED: 22
11、Jul 2009 (20090722/ED) This file contains CAS Registry Numbers for easy and accuratesubstance identification. Effective October 17, 2005, revised CAS Information Use Policies apply. They are available for your review at:http:/www.cas.org/infopolicy.html第三步A:进入数据库进入数据库后有数据库的 基本信息，包括更新及 数据库覆盖年代等信息27 运
12、用EXPAND指令确定要查的词语是否在数据库中存在 当运用主题词查询时，使用EXPAND非常有用n 确定在数据库里是否存在该词n 确定词语的不同拼写形式（需用哪个截词符） 通过EXPAND，可以获得与检索词相近的词语列表，就象打开了一本字典第三步B:确定检索词28=SET EXPAND CONTINUOUS SET COMMAND COMPLETED = E ANTITUMOR E1 1 ANTITUMOOR/BI E2 1 ANTITUMOPR/BI E3 287132 ANTITUMOR/BI E4 1 ANTITUMORACTIVITY/BI E5 1 ANTITUMORAGENTS/B
13、I E6 2360 ANTITUMORAL/BI E7 1 ANTITUMORALE/BI E8 1 ANTITUMORALEN/BI E9 1 ANTITUMORALER/BI E10 3 ANTITUMORALLY/BI E11 19 ANTITUMORALS/BI E12 1 ANTITUMORAND/BI = E E13 1 ANTITUMORCANCER/BI E14 3 ANTITUMORGENIC/BI E15 1 ANTITUMORGENICITY/BI E16 1 ANTITUMORGENICS/BI E21 32 ANTITUMORIGENESIS/BI E22 476 A
14、NTITUMORIGENIC/BI E23 11 ANTITUMORIGENICITY/BI E24 1 ANTITUMORIMMUNOPOTENCY/BI第三步B:确定检索词输入E会继续显示E号码 列表请注意到每个词语后面的 不同变化形式，它提示还 有一些其他可用的词语注: n /BI 告诉我们STN是在基 本索引里查找词语 n 第二列的数字表示 CAplus中有多少篇文献含 有该词29第三步B:确定检索词E anticancerE37 1 ANTICANATOXIN/BIE38 1 ANTICANCE/BIE39 58673 ANTICANCER/BIE40 1 ANTICANCERACUTE/BIE41 2 ANTICANCERAL/BI E47 6 ANTICANCERIGENIC/BIE48 1 ANTICANCERLIN/BI= E immuneE85 1 IMMUNDOMINANT/BIE86 1 IMMUNDUS/BIE87 262389 IMMUNE/BIE88 2 IMMUNEACTIVE/BI E94 1 IMMUNEASSOCD/BIE95 1 IMMUNEASY/BIE96
