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1、Literature SearchingWhat to do when a “Google” search is not enough?Chemical Engineering Resources at Purdue University LibrariesChemical Engineering Resources at Purdue University LibrariesMellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librariesch
2、emlibpurdue.educhemlibpurdue.edu Song Yusyupurdue.edusyupurdue.edu Phone: 496-7279Phone: 496-7279Chemical Information SpecialistChemical Information SpecialistAssist. Prof. of Library SciencesAssist. Prof. of Library SciencesPurdue UniversityPurdue UniversitySpring 2003Mellon Library of ChemistryMel
3、lon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu To Warm Up Ideas, common terms that we use when doing literature searchesSpring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Libr
4、arieschemlibpurdue.educhemlibpurdue.edu TERTIARYLITERATUREInformation RetrievalStructure of the literature and Channels of CommunicationSpring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Search Ope
5、rators, Wildcards, and Parentheses What are search operators?What are search operators? AND, OR, NOT, SAME, NEARAND, OR, NOT, SAME, NEARWhat are wildcards?What are wildcards? ? = one character? = one characterE.g. E.g. EN?OBLAST EN?OBLAST will search ENDOBLAST and will search ENDOBLAST and ENTOBLAST
6、ENTOBLAST * = zero to many characters* = zero to many charactersE.g. E.g. Gene*Gene* will search Gene, Genes, General, will search Gene, Genes, General, GenerationGeneration Combination of ? and *Combination of ? and *E.g. E.g. CH?M* CH?M* will search CHEMISTRY, CHEMIST, will search CHEMISTRY, CHEMI
7、ST, CHEMICAL, CHEMIE, CHIMICA CHEMICAL, CHEMIE, CHIMICA ParenthesesParentheses (A or B) and C, (B and C) not A(A or B) and C, (B and C) not AABCNote: different databases have different wildcards. Check their Help file to find out what to use.Mellon Library of ChemistryMellon Library of ChemistryPurd
8、ue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu What is in a citation?AuthorAuthorTitleTitleSource/journalSource/journalEnumeration Enumeration (volume/issue)(volume/issue)Chronology (date)Chronology (date)PaginationPagination Cui, Yi; Lieber, Charles M. “Functio
9、nal nanoscale electronic devices assembled using silicon nanowire building blocks. Science 291:5505 (2001): 851-3. Bibliographic InformationMellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Cited/Citing Refe
10、rence ?#&!Linking to the original cited Linking to the original cited paperpaperLinking to papers which cite Linking to papers which cite the same paper (Time Cited)the same paper (Time Cited)Finding related papersFinding related papers19941991199219871988195719841982198819871957Known PaperCited Pap
11、erNew paper retrieved via cited reference searchingMellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Major Databases in Chemical EngineeringCOMPENDEX (OVID)SciFinder Scholar (CAS)Web Of Science (ISI)Spring 2
12、003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Major Databases in Chemical EngineeringCOMPENDEX (OVID)Engineering and technical literature, as well as related fields in science and management. The reco
13、rds in the database are drawn from over 2,600 published journals, conference proceedings and individual conference papers, technical reports, monographs, and other materials. Spring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemli
14、bpurdue.educhemlibpurdue.edu Major Databases in Chemical EngineeringSciFinder Scholar (CAS)Collection of Chemical Databases: CAPlus, CASREACT, CHEMCATS, CHEMLIST, Registry, Medline Chemistry Plus a Whole Lot More! Agriculture Science / Biology and Life Sciences / Engineering Sciences / Food Sciences
15、 / General Chemistry / Geological Sciences / Material Sciences / Medical Sciences / Physics / Polymer Science Spring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Major Databases in Chemical Engineer
16、ingWeb Of Science (ISI)Accesses multidisciplinary 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 cit
17、e a known author or work.Spring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Access to the Databaseshttp:/www.lib.purdue.edu/eresources/index.htmlhttp:/www.lib.purdue.edu/eresources/index.html choos
18、e “By Title”choose “By Title”COMPENDEX (OVID)COMPENDEX (OVID) Web based, need your Purdue IDWeb based, need your Purdue IDSciFinder Scholar (CAS)SciFinder Scholar (CAS) Server/Client basedServer/Client based Windows Terminal ServerWindows Terminal Server To download the primary client software, go t
19、o To download the primary client software, go to http:/www.lib.purdue.edu/wtshttp:/www.lib.purdue.edu/wts Java client can not print and save your searchesJava client can not print and save your searchesWeb Of Science (ISI)Web Of Science (ISI) IP basedIP basedOff campus accessOff campus access Librar
20、ies Proxy serverLibraries Proxy server http:/www.lib.purdue.edu/proxyhttp:/www.lib.purdue.edu/proxy Spring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu SciFinder ScholarCoverage back to 1907 by one
21、search!Coverage back to 1907 by one search! CAplusCAplus. 1907 , +21.5 mil documents from +9000 journals-. 1907 , +21.5 mil documents from +9000 journals-Updated daily with new citations, weekly with indexed recordsUpdated daily with new citations, weekly with indexed records CASREACTCASREACT. . 197
22、4+, +6 mil single and multi-step reactions1974+, +6 mil single and multi-step reactions CHEMCATSCHEMCATS. . +5.3 mil Commercial chemicals+5.3 mil Commercial chemicals CHEMLISTCHEMLIST. . over 227,000 Regulated chemicalsover 227,000 Regulated chemicals RegistryRegistry. . 1965+, 20.3 mil substances,
23、21.8 mil 1965+, 20.3 mil substances, 21.8 mil biosequencesbiosequences MedlineMedline. . 1958+, 11 mil biomedical citations (including 1958+, 11 mil biomedical citations (including OLDMEDLINE)OLDMEDLINE)Spring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdu
24、e University Librarieschemlibpurdue.educhemlibpurdue.edu Web of Science8,500 peer-reviewed journals in science, social science, arts and humanities worldwideScience Citation Index (6014 Journal titles)Science Citation Index (6014 Journal titles)230 Disciplines230 Disciplines1350 in chemistry, 122 in
25、 chemical engineering 1350 in chemistry, 122 in chemical engineering Update weeklyPurdue has access from 1977Spring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu CompendexIndex +5000 journals world w
26、ide1987 Update every week by EI, updated monthly by OVID.Spring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Example OneFind the review articles written in English on gold nanoparticles for catalyst
27、sSciFinder ScholarSciFinder ScholarTopic search: Topic search: gold gold nanoparticlesnanoparticles for catalyst for catalystRefine by Document type, and LanguageRefine by Document type, and LanguageGot 13 review articlesGot 13 review articlesCheck the citing articles for Shipway, Andrew N.; et Chec
28、k the citing articles for Shipway, Andrew N.; et al. al. NanoparticlesNanoparticles as structural and functional units in as structural and functional units in surface-confined architectures. - 13Spring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue Unive
29、rsity Librarieschemlibpurdue.educhemlibpurdue.edu Example OneFind the review articles written in English on gold nanoparticles for catalystsWeb of ScienceWeb of ScienceGeneral search in Topic: (gold and General search in Topic: (gold and nanoparticlnanoparticl*) and *) and catalycataly* *Limited by
30、Language and Document typeLimited by Language and Document typeGot 13 review articlesGot 13 review articlesSpring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Example OneFind the review articles wri
31、tten in English on gold nanoparticles for catalystsCompendexCompendexSearch (Gold or Au), Search (Gold or Au), nanoparticnanopartic$, and $, and catalyscatalys$ $ seperatelyseperatelyCombine them togetherCombine them togetherLimited to Journal articles/English (40)Limited to Journal articles/English
32、 (40)Limited to Research ReviewLimited to Research ReviewGot 0 review articlesGot 0 review articlesSpring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Further InvestigationIf SciFinder Scholar index
33、es more journals and If SciFinder Scholar indexes more journals and cover more years than Web of Science, why my cover more years than Web of Science, why my search retrieve the same number of articles? search retrieve the same number of articles? Crooks, RM, Zhao MQ, et al. Accounts of Chemical Cro
34、oks, RM, Zhao MQ, et al. Accounts of Chemical Research 34(3): 181-190.Research 34(3): 181-190.The most cited review in Web of Science, is also in The most cited review in Web of Science, is also in SciFinder Scholar!SciFinder Scholar!Spring 2003Mellon Library of ChemistryMellon Library of ChemistryP
35、urdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu SciFinderScholarRecord:Dendrimer-EncapsulatedMetalNanoparticles:Synthesis,Characterization,andApplicationstoCatalysis.Crooks,RichardM.;Zhao,Mingqi;Sun,Li;Chechik,Victor;Yeung,LeeK.DepartmentofChemistry,TexasAMUni
36、versity,CollegeStation,TX,USA.AccountsofChemicalResearch(2001),34(3),181-190.CODEN:ACHRE4ISSN:0001-4842.Journal;GeneralReviewwritteninEnglish.CAN134:168789AN2000:887031CAPLUSAbstractAreviewwith55refs.thatreportsthesynthesisandcharacterizationofdendrimer-encapsulatedmetalnanoparticlesandtheirapplicat
37、ionstocatalysis.Thesematerialsareprepd.bysequesteringmetalionswithindendrimersfollowedbychem.redn.toyieldthecorrespondingzerovalentmetalnanoparticle.Thesizeofsuchparticlesdependsontheno.ofmetalionsinitiallyloadedintothedendrimer.Intradendrimerhydrogenationandcarbon-carboncouplingreactionsinwater,org
38、.solvents,biphasicfluorous/org.solvents,andsupercrit.CO2arealsodescribed.WebofScienceRecord:Dendrimer-encapsulatedmetalnanoparticles:Synthesis,characterization,andapplicationstocatalysisCrooksRM,ZhaoMQ,SunL,ChechikV,YeungLKACCOUNTSOFCHEMICALRESEARCH34(3):181-190MAR2001Documenttype:ReviewLanguage:Eng
39、lishCitedReferences:53TimesCited:61Abstract:ThisAccountreportsthesynthesisandcharacterizationofdendrimer-encapsulatedmetalnanoparticlesandtheirapplicationstocatalysis.Thesematerialsarepreparedbysequesteringmetalionswithindendrimersfollowedbychemicalreductiontoyieldthecorrespondingzerovalentmetalnano
40、particle.Thesizeofsuchparticlesdependsonthenumberofmetalionsinitiallyloadedintothedendrimer.Intradendrimerhydrogenationandcarbon-carboncouplingreactionsinwater,organicsolvents,biphasicfluorous/organicsolvents,andsupercriticalCO2arealsodescribed.KeyWordsPlus:SUPERCRITICALCARBON-DIOXIDE,SURFACE-CONFIN
41、EDMONOLAYERS,PHASEPROBEMOLECULES,POLY(AMIDOAMINE)DENDRIMERS,STARBURSTDENDRIMERS,GOLD,WATER,NANOCLUSTERS,TEMPLATE,ELECTROCHEMISTRYAddresses:CrooksRM,TexasA&MUniv,DeptChem,POB30012,CollegeStn,TX77842USATexasA&MUniv,DeptChem,CollegeStn,TX77842USASpring 2003Mellon Library of ChemistryMellon Library of C
42、hemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Save Search/ResultsCOMPENDEX (OVID)COMPENDEX (OVID) Run Saved Search/Save Search Run Saved Search/Save Search History/Delete SearchHistory/Delete SearchSciFinder Scholar (CAS)SciFinder Scholar (CAS) Save
43、 only to computer drives with a “$” Save only to computer drives with a “$” sign!sign!Web Of Science (ISI)Web Of Science (ISI) Mark and Submit MarksMark and Submit Marks Marked ListMarked List Save Search/Run saved searchSave Search/Run saved searchSpring 2003Mellon Library of ChemistryMellon Librar
44、y of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Full Text?COMPENDEX (OVID)COMPENDEX (OVID) No full text available from the databaseNo full text available from the database Link to Purdue catalog, can link to full text Link to Purdue catalog, can
45、 link to full text thenthenSciFinder Scholar (CAS)SciFinder Scholar (CAS) Click the computer iconClick the computer icon Choose the purple colored optionsChoose the purple colored optionsWeb Of Science (ISI)Web Of Science (ISI) Selected full text availableSelected full text availableDouble check in
46、Purdue Catalog!Double check in Purdue Catalog!Spring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Full Text?All full text articlesFull text journal articles available through Purdues subscriptionFul
47、l text articles that covers in the databaseThe full text articles you can get if you only check the full text links in the databaseSpring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Comparing Resul
48、ts of Example OneTotal review articles found 25.Total review articles found 25. 13 (52%)in SciFinder Scholar13 (52%)in SciFinder Scholar 13 (52%) in Web of Science13 (52%) in Web of Science 1 (4%) overlap in both1 (4%) overlap in both 0 in 0 in CompendexCompendexCiting papers for Citing papers for C
49、rooks, RM, Zhao MQ, et al. Crooks, RM, Zhao MQ, et al. Accounts of Chemical Research 34(3): 181-190Accounts of Chemical Research 34(3): 181-190 Total found 68Total found 68 63 (93%) in Web of Science63 (93%) in Web of Science 57 (84%) in SciFinder Scholar57 (84%) in SciFinder Scholar 52 (83%) overla
50、p in both52 (83%) overlap in bothSpring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu More on Cited Reference SearchWeb of Science also has a separate Cited Reference Search screen. Sometimes you wil
51、l 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 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Example TwoFind Prof.
52、Lees publication in recent yearsSciFinder ScholarSciFinder ScholarAuthor search: Lee Gil, choose all possible entriesAuthor search: Lee Gil, choose all possible entriesRefine by Databases (Refine by Databases (CAplusCAplus only) only)Analyze by Company/OrganizationAnalyze by Company/OrganizationFoun
53、d 5 publications from PurdueFound 5 publications from PurdueSpring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Example TwoFind Prof. Lees publication in recent yearsWeb of ScienceWeb of ScienceSear
54、ch Author: Lee GU and Address: PurdueSearch Author: Lee GU and Address: PurdueGot 8 resultsGot 8 resultsSpring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Example TwoFind Prof. Lees publication in
55、recent yearsCompendexCompendexAuthor search of Lee G or Lee G U or Lee Gil or Lee Author search of Lee G or Lee G U or Lee Gil or Lee Gil UGil UCombine with Institution search: Combine with Institution search: purduepurdue - 0 (!) - 0 (!)Spring 2003Mellon Library of ChemistryMellon Library of Chemis
56、tryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu ConclusionFor a same search The search strategies are different among three databasesThe retrieved results are quite dissimilarEven when searching in one database, various approaches will retrieve diverse res
57、ultsSpring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu ConclusionThat means to do a comprehensive literature That means to do a comprehensive literature search search Consult as many resources as p
58、ossible Consult as many resources as possible (including “the Web”, your advisor, librarians) (including “the Web”, your advisor, librarians) Search critically. Use various combinations of Search critically. Use various combinations of search terms and search strategies as search terms and search st
59、rategies as necessarynecessaryLearn while you are searching. Adjust your Learn while you are searching. Adjust your searches accordinglysearches accordinglySearch independently and consistentlySearch independently and consistentlyManage your search results by using the tool Manage your search result
60、s by using the tool from the databasesfrom the databasesSpring 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu A Few More WordsYou can not find everything on the webAlways think what you might miss by
61、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 2003Mellon Library of ChemistryMellon Library of ChemistryPurdue University LibrariesPurdue University Librarieschemlibpurdue.educhemlibpurdue.edu Question TimeSpring 2003
