Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Biolife Solutions, Inc.

Bothell, Washington

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (Nos. 333-233912, 333-222433 and 333-208912) and Form S-8 (Nos. 333-222437, 333-205101, and 333-189551) of BioLife Solutions, Inc. of our report dated March 31, 2021, relating to the consolidated financial statements, which appears in this Form 10-K. 

/S/ BDO USA, LLP

Seattle, Washington

March 31, 2021