1 / 15

What s Wrong With Hexavalent Chromium

zan
Download Presentation

What s Wrong With Hexavalent Chromium

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

    1. What’s Wrong With Hexavalent Chromium?? Joshua Tarkoff Chem. 250 4-16-02

    2. Who Cares about Hexavalent Chromium??? Cr toxicity learned in class Something classmates might be interested in Erin Brockovich Movie - real problem, in many industrial processes

    3. Overall Search Strategy Start broad and narrow with each step Avoid articles/journals that are too “chemical”

    4. What Worked? Narrow Search Term Ex: “toxic effects of hexavalent chromium” Biological/Medical Resources Ex: PubMed

    5. What Didn’t?? Broad Searches Physical/Engineering resources Irony of true toxicity

    6. First Steps Class Textbook Mechanism and inspiration Periodic Table General Databases Expanded Academic ASAP Proquest General Science Abstracts

    7. Encyclopedias/Treatises Toxicology Encyclopedia of Chemical Technology Encyclopedia of Industrial Chemistry Encyclopedia of Inorganic Chemistry Chemical Nature/ Bonding Comprehensive Inorganic Chemistry Comprehensive Coordination Chemistry

    8. Scientific Research Databases Worked with SciFinder, PubMed, and BIOSYS Previews to begin to narrow search INSPEC and Compendex not used because they deal with physics and engineering respectively

    9. Scifinder Standard search - 346 hits Refined to English and since 1990 - 193 hits Refined again to only get the Medline entries

    10. Pubmed Good Medline articles sent me here Standard search yielded 37 hits Bioaccumulation studies Comparative species studies (ex: how do bacteria handle hexavalent chromium?) Link to ToxNet ~ jackpot

    11. Biosis Previews Standard Search + Restriction to English and humans- Zero hits Searched: “hexavalent chromium” - 123 hits Good studies done on actual industry workers

    12. Patents http://www.uspto.gov Not expecting much, but usual search yielded 14 hits 3 very effective methods of hexavalent chromium removal from industrial waste

    13. Citation Databases Web of Science Beilstein Gmelin

    14. Chemical Properties Handbook of Inorganic Compounds Chemfinder

    15. Finally…Search the ‘Net Google search of “toxic effects of hexavalent chromium” - 6280 hits Good early hits (CDC and EPA websites) Later became biased with pro-environmental or pro-industrial page authors or sponsors

    16. OVERALL Goal achieved Learned what information is “good” and “bad” Learned where to go to find “good” information on the subjects that you want

More Related