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Organizations like the U.S. Environmental Protection Agency rely on field sensors that can detect traces of anionic water-soluble pollutants, like arsenate, chromate, perchlorate and pertechnetate. At PNNL, scientists are experimenting with modified polymer films that can recognize-and therefore be used-to detect pollutants. These polymers could potentially be incorporated into devices that would make detection rapid and economic. Shown here is a microscopic image of a polymer film generated through electro-polymerization of pyrrole from a water solution.

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Document Title: Polymer Branches
Category: Chemical Imaging, Environmental Remediation
Media Type: Photos
Date of Image/Photo: 2011
Background: Etching memories in polypyrrole generated on hybrid Au-ITO surface through electropolymerization in ionic liquid medium. The main objective is to generate polymers that can selectively recognize and absorb anions.
URL of this page: http://picturethis.pnl.gov/picturet.nsf/by+id/DRAE-8QFVX8

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