Scopus is an abstract and citation database of research literature and quality web sources, including journals, conference proceedings, trade publications, abstracts, and patent records. It is a multidisciplinary resource covering materials from the humanities, sciences and social sciences. Also indexes EMBASE articles. Scopus allows you to locate the most highly cited items and the articles that cite them.
Date Coverage: 1970-present; selected access back to 1823
The National Library of Medicine free article search engine, containing article references from MEDLINE, PreMEDLINE, OLDMEDLINE, plus some publisher-supplied and out of scope citations from certain general science and chemistry journals.
This collection indexes thousands of scholarly journals, books, reports, conferences and more. Citation information and analysis with cited reference searching available. The collection includes Science Citation Index Expanded (1990-present), Social Sciences Citation Index Expanded (1990-present), Arts & Humanities Citation Index (1990-present), Conference Proceedings Citation Index (1990-present), Book Citation Index (2005-present), Current Chemical Reactions (1985-present) and Index Chemicus (1993-present).
Date Coverage: Varies by collection
Maximum Users: Unlimited
Searchable database of enzyme information including nomenclature, enzyme-ligand interactions, functional parameters, organism related information, enzyme structure, molecular properties and bibliographies. Available free of charge for academic, non-profit users.
CRC Handbook of Chemistry and Physics is a major source of chemical and physical property data. It includes information on elements, inorganic compounds, organic compounds, physical constants, units and conversion factors, symbols, and nomenclature.