EXHIBIT 23.3
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We have issued our report dated June 30, 2003 accompanying the financial statements included in the Annual Report of Synthetic Blood International, Inc. on Form 10-K for the year ended April 30, 2003, which is incorporated by reference in this Registration Statement and Prospectus. We consent to the incorporation by reference in the Registration Statement and Prospectus of the aforementioned report and to the use of our name as it appears under the caption “Experts.”
/s/ GRANT THORNTON LLP
Irvine, California
August 15, 2005
