Friday, May 15, 2015

Revealing breast cancer using nanoscale polymers

A biocompatible polymer selectively targets and lights up cancer tumors for a noninvasive imaging system, investigators report. Generating photoacoustic signals requires an ultrafast laser pulse to irradiate a small area of tissue. By 'listening' to the pressure differences created by the acoustic waves, researchers can reconstruct and visualize the inner structures of complex objects such as the brain and cardiovascular systems. Diagnosing cancer with photoacoustic imaging requires contrast agents that deeply penetrate tissue and selectively bind to malignant cells.

from Geochemistry News -- ScienceDaily http://ift.tt/1IFZwpe
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