EXHIBIT 23.1




               CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS



We have issued our report dated August 18, 2000 accompanying the consolidated
financial statements of LecTec Corporation included in the Annual Report on Form
10-K for the year ended June 30, 2000, which is incorporated by reference in
this Registration Statement. We consent to the incorporation by reference in the
Registration Statement (Form S-8) of the aforementioned report.


/s/ Grant Thornton LLP


Minneapolis, Minnesota
September 4, 2001