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Cells

LSRC X-RAD 160

The LSRC X-RAD 160 is used exclusively as a cell irradiation system. It has a maximum energy production of 160kVp x 18mA. It uses a F1 filter for beam conditioning and has a movable stage, which allows a user to alter the field size. The instrument is controlled by a password protected touchscreen system; a user will be given a user name and individual password during training. A researcher wishing to use this system should contact Ken Young for hands on training. Confirmation of this training will then be sent to Radiation Safety, who will review the application and grant the access.

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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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