Arsenic aids tumor imaging when joined to cancer-homing drug, UT Southwestern researchers find
Arsenic linked to a drug that binds to the blood vessels of cancerous tumors provides a powerful imaging agent that could one day allow physicians to detect hard-to-find tumors and more closely monitor cancer's response to therapy, researchers at UT Southwestern Medical Center have found.
The Republican presidential candidate began his final drive for the White House Thursday with a boost from running mate Sarah Palin and her nomination acceptance speech Wednesday night.
