POWER OF ATTORNEY





 The undersigned hereby constitutes and appoints Brenda S. Furlow,

James Hippel, Melodie R. Rose and Elizabeth M. Dunshee, or either of

them acting alone, the undersigned's true and lawful attorneys-in-fact

and agent with full power of substitution and resubstitution, for the

undersigned and in the undersigned's name, place and stead, in any and

all capacities, to sign any or all Forms 3, Forms 4 and Forms 5

relating to beneficial ownership of securities of Techne Corporation

(the "Issuer"), to file the same, with all exhibits thereto and other

documents in connection therewith, with the Securities and Exchange

Commission and to deliver a copy of the same to the Issuer, granting

unto said attorney-in-fact and agent full power and authority to do and

perform each and every act and thing requisite and necessary to be done

in and about the premises, as fully to all intents and purposes as the

undersigned might or could do in person, hereby ratifying and

confirming all said attorneys-in-fact and agent, or his substitute or

substitutes, may lawfully do or cause to be done by virtue thereof.

The undersigned acknowledges that the foregoing attorney-in-fact, in

serving in such capacity at the request of the undersigned, is not

assuming any of the undersigned's responsibilities to comply with

Section 16 of the Securities Exchange Act of 1934.



 This Power of Attorney shall remain in effect until such time as

the undersigned is no longer subject to the provisions of Section 16 of

the Securities Exchange Act of 1934 with respect to securities of the

Issuer.



 IN WITNESS WHEREOF, the undersigned has caused this Power of

Attorney to be executed as of this 30th day of October, 2014.





     /s/ Roeland Nusse, Ph.D.