Silica Microspheres (IMAGE)
Caption
A scanning electron micrograph of porous silica microspheres filled with perfluoropentane vapor. This new material, invented at the University of California -- San Diego, is visible with Doppler ultrasound, sticks to breast tissue and can mark the location of tumors too small to be seen or felt during surgery.
Credit
Paul Martinez, UCSD
Usage Restrictions
Permission granted to use this image to illustrate stories about the new material reported here. For other uses, please send a request to scinews@ucsd.edu
License
Licensed content