The Irradiation and Animal Core (IAC) maintains and operates sources of ionizing radiation for use by researchers at UAMS. Services performed by the resource staff include training in the operation of the sources, advice to users on the design of experiments using radiation, scheduling use of the sources, operating the sources when necessary, dosimetry for new experimental setups, and maintenance and repair of the resources. The core is equipped with Cesium source irradiator (Mark 1, model 68A, Shepherd Inc.), Seifert Isovolt 320 X-ray generator, Small Animal Conformal Radiation Therapy Device (SACRTD), Shepherd Mark 1 Model 25 cesium source irradiator, L. Shepherd Model i45 cesium source irradiator and Faxitron cabinet X-raysystem.