EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference into Registration Statement Nos. 333-189551 and 333-205101 on Form S-8, Registration Statement No. 333-194697 on Post-Effective Amendment No. 1 to Form S-1 on Form S-3 and Registration Statement No. 333-208912 on Form S-3 of our report dated February 25, 2016, relating to our audits of the consolidated financial statements of BioLife Solutions, Inc. and Subsidiary appearing in the Annual Report on Form 10-K of BioLife Solutions, Inc. for the year ended December 31, 2015.

/S/ PETERSON SULLIVAN LLP

Seattle, Washington

February 25, 2016