The state board of regents is authorized to accept, for the benefit of the university of Iowa hospitals and clinics’ center for disabilities and development, gifts, devises, or bequests of property, real or personal, including grants from the federal government. The state board of regents may exercise such powers with reference to the management, sale, disposition, investment, or control of property so given, devised, or bequeathed as may be deemed essential to its preservation and the purposes for which made. No contribution or grant shall be received or accepted if any condition is attached as to its use or administration other than it be used for aid to the center as provided in this subchapter.