BASE - Bielefeld Academic Search Engine [Datenbank]  

BASE (Bielefeld Academic Search Engine) is one of the world's most voluminous search sengines especially for academic web resources, e.g. journal articles, preprints, digital collections, images / videos or research data. Other than search engines like Google or Bing BASE searches the deep web as well. The sources which are included are intellectually selected and reviewed. BASE is operated by Bielefeld University Library.

Biological Abstracts 1926 - 1968 [Datenbank]  

Biological Abstracts Archive 1926-1968 delivers the complete bibliographic records from 49 Biological Abstracts print volumes dating from 1926 to 1968. The original scientist abstractors and editors focused on selecting the most relevant international items in life sciences, and often wrote extensive abstracts and enhanced titles with added indexing terms as search aids. These volumes, including material from journals, patents, conference reports and books, are now available as 1.8 million fully indexed and searchable electronic records. In addition to bibliographic details Biological Abstracts includes: Disease Data, Gene Name Data, Geologic Time Data

LIVIVO : das Suchportal für Medizin, Gesundheitswesen, Ernährungs-, Umwelt- und Agrarwissenschaften [Datenbank]  

LIVIVO, the interdisciplinary search engine for life sciences, is provided by ZB MED Leibniz Information Centre for Life Sciences. Scientifically relevant informations from the ZB MED subjects fields medicine, health, nutrition, environmental and agricultural sciences is bundled and provided on a standard interface for free research. LIVIVO includes a complete PubMed-search and other important databases in life sciences such as AGRICOLA or AGRIS. LIVIVO is operated by ZB MED Leibniz Information Centre for Life Sciences.

NCBI - Entrez, The Life Sciences Search Engine [Datenbank]  

Entrez is the integrated, text-based search and retrieval system used at NCBI for the major databases, including PubMed, Nucleotide and Protein Sequences, Protein Structures, Complete Genomes, Taxonomy, and others.

SciELO Citation Index [Datenbank]  

SciELO Citation Index is created in partnership with SciELO, the Scientific Electronic Library Online, and consists of Open Access journal content from Latin America, the Caribbean, Spain, Portugal, and South Africa. It covers over 1,100 journals. SciELO subject categories: agricultural sciences, applied social sciences, biological sciences, engineering, earth sciences, health sciences, human sciences, mathematics, physics and social sciences.

SciFinder n [Datenbank]  

SciFinder n produced by Chemical Abstracts Services is one of the largest scientific databases covering a broad field of literature and patents. In addition to the chemical literature it covers physics, material science, biochemistry and genetics, as far as the documents are related to substances. A separate compound file provides access to substances, their names, structures, and registry numbers.

Scopus [Datenbank]  

Scopus is an abstract and citation database for research literature published since 1996, with discovery and analytics tools. The multidisciplinary content covers the fields of Natural Sciences, Engineering, Biomedical Research as well as Arts and Humanities and the Social Sciences. Scopus generates citation search results and automatically updated researcher and institution profiles. Thus, connections between people, published ideas, and organizations can be identified.

Web of Science [Datenbank]  

Web of Science is a curated collection of over 20,000 peer-reviewed, high-quality scholarly journals published worldwide (including Open Access journals) in over 250 science, social sciences, and humanities disciplines. Conference proceedings and book data are also available. Web of Science offers cited reference searching which means that you can search for records that cite a particular document.