《强烈推荐国外大学教授教你怎么查资料.ppt》由会员分享，可在线阅读，更多相关《强烈推荐国外大学教授教你怎么查资料.ppt（32页珍藏版）》请在三一办公上搜索。
1、Chemical Engineering Resources at Purdue University Libraries,Literature Searching,What to do when a“Google”search is not enough?,Spring 2003,Song Yusyupurdue.edu Phone:496-7279Chemical Information SpecialistAssist.Prof.of Library SciencesPurdue University,Spring 2003,To Warm Up,Ideas,common terms t
2、hat we use when doing literature searches,Spring 2003,TERTIARYLITERATUREInformation Retrieval,Structure of the literature and Channels of Communication,Spring 2003,Search Operators,Wildcards,and Parentheses,What are search operators?AND,OR,NOT,SAME,NEARWhat are wildcards?=one characterE.g.EN?OBLAST
3、will search ENDOBLAST and ENTOBLAST*=zero to many charactersE.g.Gene*will search Gene,Genes,General,GenerationCombination of?and*E.g.CH?M*will search CHEMISTRY,CHEMIST,CHEMICAL,CHEMIE,CHIMICA Parentheses(A or B)and C,(B and C)not A,A,B,C,Note:different databases have different wildcards.Check their
4、Help file to find out what to use.,Spring 2003,What is in a citation?,AuthorTitleSource/journal,Enumeration(volume/issue)Chronology(date)Pagination,Cui,Yi;Lieber,Charles M.“Functional nanoscale electronic devices assembled using silicon nanowire building blocks.Science 291:5505(2001):851-3.,Bibliogr
5、aphic Information,Spring 2003,Cited/Citing Reference?#&!,Linking to the original cited paperLinking to papers which cite the same paper(Time Cited)Finding related papers,1994,1991,1992,1987,1988,1957,1984,1982,1988,1987,1957,Known Paper,Cited Paper,New paper retrieved via cited reference searching,S
6、pring 2003,Major Databases in Chemical Engineering,COMPENDEX(OVID)SciFinder Scholar(CAS)Web Of Science(ISI),Spring 2003,Major Databases in Chemical Engineering,COMPENDEX(OVID),Engineering and technical literature,as well as related fields in science and management.The records in the database are dra
7、wn from over 2,600 published journals,conference proceedings and individual conference papers,technical reports,monographs,and other materials.,Spring 2003,Major Databases in Chemical Engineering,SciFinder Scholar(CAS),Collection of Chemical Databases:CAPlus,CASREACT,CHEMCATS,CHEMLIST,Registry,Medli
8、ne Chemistry Plus a Whole Lot More!Agriculture Science/Biology and Life Sciences/Engineering Sciences/Food Sciences/General Chemistry/Geological Sciences/Material Sciences/Medical Sciences/Physics/Polymer Science,Spring 2003,Major Databases in Chemical Engineering,Web Of Science(ISI),Accesses multid
9、isciplinary databases of bibliographic information from thousands of scholarly journals.The databases are indexed so you can search for specific articles by subject,author,journal,and/or author address.You can also search the databases for articles that cite a known author or work.,Spring 2003,Acces
10、s to the Databases,http:/www.lib.purdue.edu/eresources/index.html choose“By Title”COMPENDEX(OVID)Web based,need your Purdue IDSciFinder Scholar(CAS)Server/Client basedWindows Terminal ServerTo download the primary client software,go to http:/www.lib.purdue.edu/wts Java client can not print and save
11、your searchesWeb Of Science(ISI)IP basedOff campus accessLibraries Proxy serverhttp:/www.lib.purdue.edu/proxy,Spring 2003,SciFinder Scholar,Coverage back to 1907 by one search!CAplus.1907,+21.5 mil documents from+9000 journals-Updated daily with new citations,weekly with indexed recordsCASREACT.1974
12、+,+6 mil single and multi-step reactionsCHEMCATS.+5.3 mil Commercial chemicalsCHEMLIST.over 227,000 Regulated chemicalsRegistry.1965+,20.3 mil substances,21.8 mil biosequencesMedline.1958+,11 mil biomedical citations(including OLDMEDLINE),Spring 2003,Web of Science,8,500 peer-reviewed journals in sc
13、ience,social science,arts and humanities worldwideScience Citation Index(6014 Journal titles)230 Disciplines1350 in chemistry,122 in chemical engineering Update weeklyPurdue has access from 1977,Spring 2003,Compendex,Index+5000 journals world wide1987 Update every week by EI,updated monthly by OVID.
14、,Spring 2003,Example One,Find the review articles written in English on gold nanoparticles for catalystsSciFinder ScholarTopic search:gold nanoparticles for catalystRefine by Document type,and LanguageGot 13 review articlesCheck the citing articles for Shipway,Andrew N.;et al.Nanoparticles as struct
15、ural and functional units in surface-confined architectures.-13,Spring 2003,Example One,Find the review articles written in English on gold nanoparticles for catalystsWeb of ScienceGeneral search in Topic:(gold and nanoparticl*)and cataly*Limited by Language and Document typeGot 13 review articles,S
16、pring 2003,Example One,Find the review articles written in English on gold nanoparticles for catalystsCompendexSearch(Gold or Au),nanopartic$,and catalys$seperatelyCombine them togetherLimited to Journal articles/English(40)Limited to Research ReviewGot 0 review articles,Spring 2003,Further Investig
17、ation,If SciFinder Scholar indexes more journals and cover more years than Web of Science,why my search retrieve the same number of articles?Crooks,RM,Zhao MQ,et al.Accounts of Chemical Research 34(3):181-190.The most cited review in Web of Science,is also in SciFinder Scholar!,Spring 2003,SciFinder
18、 Scholar Record:Dendrimer-Encapsulated Metal Nanoparticles:Synthesis,Characterization,and Applications to Catalysis.Crooks,Richard M.;Zhao,Mingqi;Sun,Li;Chechik,Victor;Yeung,Lee K.Department of Chemistry,Texas AM University,College Station,TX,USA.Accounts of Chemical Research(2001),34(3),181-190.COD
19、EN:ACHRE4 ISSN:0001-4842.Journal;General Review written in English.CAN 134:168789 AN 2000:887031 CAPLUS AbstractA review with 55 refs.that reports the synthesis and characterization of dendrimer-encapsulated metal nanoparticles and their applications to catalysis.These materials are prepd.by sequest
20、ering metal ions within dendrimers followed by chem.redn.to yield the corresponding zerovalent metal nanoparticle.The size of such particles depends on the no.of metal ions initially loaded into the dendrimer.Intradendrimer hydrogenation and carbon-carbon coupling reactions in water,org.solvents,bip
21、hasic fluorous/org.solvents,and supercrit.CO2 are also described.,Web of Science Record:Dendrimer-encapsulated metal nanoparticles:Synthesis,characterization,and applications to catalysisCrooks RM,Zhao MQ,Sun L,Chechik V,Yeung LKACCOUNTS OF CHEMICAL RESEARCH 34(3):181-190 MAR 2001Document type:Revie
22、w Language:English Cited References:53 Times Cited:61 Abstract:This Account reports the synthesis and characterization of dendrimer-encapsulated metal nanoparticles and their applications to catalysis.These materials are prepared by sequestering metal ions within dendrimers followed by chemical redu
23、ction to yield the corresponding zerovalent metal nanoparticle.The size of such particles depends on the number of metal ions initially loaded into the dendrimer.Intradendrimer hydrogenation and carbon-carbon coupling reactions in water,organic solvents,biphasic fluorous/organic solvents,and supercr
24、itical CO2 are also described.KeyWords Plus:SUPERCRITICAL CARBON-DIOXIDE,SURFACE-CONFINED MONOLAYERS,PHASE PROBE MOLECULES,POLY(AMIDOAMINE)DENDRIMERS,STARBURST DENDRIMERS,GOLD,WATER,NANOCLUSTERS,TEMPLATE,ELECTROCHEMISTRY Addresses:Crooks RM,Texas A&M Univ,Dept Chem,POB 30012,College Stn,TX 77842 USA
25、Texas A&M Univ,Dept Chem,College Stn,TX 77842 USA,Spring 2003,Save Search/Results,COMPENDEX(OVID)Run Saved Search/Save Search History/Delete SearchSciFinder Scholar(CAS)Save only to computer drives with a“$”sign!Web Of Science(ISI)Mark and Submit MarksMarked ListSave Search/Run saved search,Spring 2
26、003,Full Text?,COMPENDEX(OVID)No full text available from the databaseLink to Purdue catalog,can link to full text thenSciFinder Scholar(CAS)Click the computer iconChoose the purple colored optionsWeb Of Science(ISI)Selected full text availableDouble check in Purdue Catalog!,Spring 2003,Full Text?,S
27、pring 2003,Comparing Results of Example One,Total review articles found 25.13(52%)in SciFinder Scholar13(52%)in Web of Science1(4%)overlap in both0 in CompendexCiting papers for Crooks,RM,Zhao MQ,et al.Accounts of Chemical Research 34(3):181-190Total found 6863(93%)in Web of Science57(84%)in SciFind
28、er Scholar52(83%)overlap in both,Spring 2003,More on Cited Reference Search,Web of Science also has a separate Cited Reference Search screen.Sometimes you will pick up more cited references for an article.C.D.Nobes and A.Hall,published in Cell,Volume 81(1)53-62,7 April 1995,Spring 2003,Example Two,F
29、ind Prof.Lees publication in recent yearsSciFinder ScholarAuthor search:Lee Gil,choose all possible entriesRefine by Databases(CAplus only)Analyze by Company/OrganizationFound 5 publications from Purdue,Spring 2003,Example Two,Find Prof.Lees publication in recent yearsWeb of ScienceSearch Author:Lee
30、 GU and Address:PurdueGot 8 results,Spring 2003,Example Two,Find Prof.Lees publication in recent yearsCompendexAuthor search of Lee G or Lee G U or Lee Gil or Lee Gil UCombine with Institution search:purdue-0(!),Spring 2003,Conclusion,For a same search The search strategies are different among three
31、 databasesThe retrieved results are quite dissimilarEven when searching in one database,various approaches will retrieve diverse results,Spring 2003,Conclusion,That means to do a comprehensive literature search Consult as many resources as possible(including“the Web”,your advisor,librarians)Search c
32、ritically.Use various combinations of search terms and search strategies as necessaryLearn while you are searching.Adjust your searches accordinglySearch independently and consistentlyManage your search results by using the tool from the databases,Spring 2003,A Few More Words,You can not find everything on the webAlways think what you might miss by consulting to one sourceE-journals are NOT free,so are the databases you use in the libraryScience and technology didnt start from 1907,or 1977,or 1986.,Spring 2003,Question Time,
