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Chemistry and biology researchers at Virginia Tech have enhanced the abilities of the molecules they are creating to deliver killing blows to cancer cells. The man-made molecular complexes enter cancer cells and, when signaled, deliver killing medicine or cause the cell to change. The new supermolecules have more units that will absorb light â€“ providing more control over the range of light frequencies that can be included and excluded as signals and the responses.
- A bereavement by loss of parents or children; the state of being orbate; orbation.