• Crystals That Can Switch Configurations

    Crystals That Can Switch Configurations

    For associate professor of Chemical and Biomolecular Engineering John Crocker, DNA is not just the stuff of genetics, but the makings of the perfect building block.

  • Nanotech Center Continues to Grow

    Nanotech Center Continues to Grow

    Construction on the $91.5 million Krishna P. Singh Center for Nanotechnology on the 3200 block of Walnut Street is proceeding on time and on budget.

  • Penn Researchers Show New Way of Assembling Particles Into Complex Structures

    Penn Researchers Show New Way of Assembling Particles Into Complex Structures

    Many recent advances in microtechnology and nanotechnology depend on microscopic spherical particles self-assembling into large-scale aggregates to form a relatively limited range of crystalline structures.

  • Printing 3D Blood Vessel Networks out of Sugar

    Printing 3D Blood Vessel Networks out of Sugar

    Bioengineers have been steadily advancing toward the goal of building lab-grown organs out of a patient’s own cells, but a few major challenges remain.

  • T Cells Hunt Like Sharks in Human Body

    T Cells Hunt Like Sharks in Human Body

    A cross-disciplinary research team at Penn has arrived at a surprising finding: T cells, which comprise a key part of the immune system, track down parasites using a movement strategy similar to those used by predators such as sharks, monkeys, and blue-fin tuna to hunt prey.