What's New -- January 2002
Search Assistant
This new assistant leads the user through a series of easy-to-use screens that provide the full power of STN searching. Under Search Assistants in the navigation frame, just click on the Search Assistant link to get started:
On the search page you can enter your search terms or combine existing L-Numbers (queries). Search fields and Boolean operator(s) may be selected from pull down menus. If you have a question, click any hyperlinked item for more information. To start your search just click the search button:
On the results page you find details about your search. With just a click you can modify your query, run a new search, or switch to the Results Assistant:
Results Assistant
You can go straight from searching with the Search Assistant to the Results Assistant. The user-friendly Results Assistant provides not only print and display options, but also the ability to sort your results and detect duplicate results in multifile searches:
Depending on the selected action, additional options are displayed on subsequent easy-to-use screens. For example, the database-specific display formats can be selected from a pull-down menu:
Sequence Assistant with CAS Registry BLAST®
STN on the Web now supports similarity searching of peptides and nucleotides in the CAS Registry file using the BLAST (Basic Local Alignment Search Tool) algorithm. This new feature is invoked via the Sequence Search Assistant which continues to also provide access to the previously released Upload Sequences link for similarity searching in the DGENE file.
With the new feature you can:
