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Animal

X-RAD225 Cx

GSRB2 320

X-ray tube

The GSRB X-RAD320 is located in the GSRB barrier facility. It has a 320kV x-ray tube that is collimated to allow a 20cm x20 cm field at 50cm FSD. There is a removable shelf which allows a more expansive field. A filter port located between the tube and collimator allows the addition of beam conditioning filters providing specific HVLs. The facility has F1, F2 and F4 filters available. This instrument is used primarily for small animal irradiations. In order to gain unescorted access to this instrument, a researcher should first undergo a GSRB2 barrier facility orientation.

X-RAD320 Sands

Filter being changed in X-Rad-320

The Precision X-ray X-RAD 320 is located in the Sands Building Animal Facility. It is a shared resource which is overseen by Dr. Greg Palmer and Duke Radiation Safety. This unit can operate at a maximum of 320 kVp and 10 mA. The 320kV x-ray tube is collimated to allow a 20cm x20 cm field at 49cm FSD. There is a removable shelf, which allows for an increase in field size. A filter port located between the tube and collimator allows the insertion of beam conditioning filters to provide a specific HVLs. The facility has F1, F2 and F4 filters available.

Cesium 137 Irradiator

The Duke Cesium irradiator is a Mark I 68A Cs 137 Irradiator, manufactured by JL Shepherd and Associates in San Fernando, CA. The irradiator cabinet is 37cm x 30cm x 45cm. The bottom of the cabinet houses a chain drive, which gives the user access to three turntable positions. These positions are 4.3cm, 14.3cm and 19.3cm away from the source. There are several different turntable options available: one turntable for 50 mL conicals, and another for 15 mL conicals. The final turntable is a 30 cm aluminum platter, which may be used for either animals or cells.

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