University of Pennsylvania

New type of cell movement discovered

For decades, researchers have used petri dishes to study cell movement. These classic tissue culture tools, however, only permit two-dimensional movement, very different from the three-dimensional movements that cells make ...

dateAug 28, 2014 in Cell & Microbiology
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'Onion' vesicles for drug delivery developed

One of the defining features of cells is their membranes. Each cell's repository of DNA and protein-making machinery must be kept stable and secure from invaders and toxins. Scientists have attempted to replicate these properties, ...

dateJun 10, 2014 in Biochemistry
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Engineers' nanoantennas improve infrared sensing

( —A team of University of Pennsylvania engineers has used a pattern of nanoantennas to develop a new way of turning infrared light into mechanical action, opening the door to more sensitive infrared cameras and ...

dateMay 20, 2013 in Nanophysics
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