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  • Developing a new platform for DNA sequencing

    Research from the lab of Marija Drndić in the School of Arts & Sciences shows how solid state materials can be developed for large-scale automated sequencing by incorporating state-of-the-art fabrication and analytics.
    diagram showing double stranded DNA moving through different types of geometric pores on a slab of material
    Using silicon nitride membranes with nanometer-level control of pore geometry, diameter, and thickness, a team of Penn researchers found that individual DNA strands could be distinguished between two pores that were housed on a single membrane. (Image: Patrick Lane/ScEYEnce Studios)

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  • Exposure to air pollution worsens Alzheimer’s disease
    Emissions from a power plant.

    Image: Pencho Chukov via Getty Images

    Exposure to air pollution worsens Alzheimer’s disease

    New research from Penn Medicine finds living in areas with high concentration of air pollution is associated with increased buildup of amyloid and tau proteins in the brains of Alzheimer’s patients, accelerating cognitive decline.

    Sep 9, 2025

    What stiffening lung tissue reveals about the earliest stages of fibrosis
    Donia Ahmed prepares tissue for imaging.

    Image: Courtesy of Penn Engineering Today

    What stiffening lung tissue reveals about the earliest stages of fibrosis

    A Penn Engineering team has targeted the lung’s extracellular matrix to better understand early fibrosis by triggering the formation of special chemical bonds that increase tissue stiffness in specific locations, mimicking the first physical changes that may lead to lung fibrosis.

    Sep 12, 2025