Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statements (No. 333-53445, No. 333-74170 and No. 333-119466) on Form S-8, and Registration Statements (No. 333-90326, No. 333-112130, No. 333-116224, No. 333-140461 and No. 333-143153) on Form S-3, of Nanophase Technologies Corporation of our report dated March 24, 2009 relating to our audit of the financial statements, which appear in the Annual Report to Shareholders, which is incorporated in this Annual Report on Form 10-K of Nanophase Technologies Corporation for the year ended December 31, 2008.
/s/ McGladrey & Pullen LLP
Schaumburg, Illinois
March 24, 2009