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Contact: Susan Brown
University of California - San Diego

Silica Microspheres

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

Related news release: Better marker for breast cancer may reduce need for second surgeries

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