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Inspired by the human heart, Penn Engineers design tear-resistant soft material（图）
抗撕裂软材料 人类心脏 机器人
2023/7/7
The human heart beats more than two billion times in an average lifespan. The aorta’s tissue is strong enough to withstand this stress, yet flexible enough to maintain a steady flow of blood. But how ...
Penn Engineers Develop Filters That Use Nanoparticles to Prevent Slime Build-up（图）
Penn Engineers Filters Nanoparticles Prevent Slime Build-up
2017/11/23
Filtration membranes are, at their core, sponge-like materials that have micro- or nanoscopically small pores. Unwanted chemicals, bacteria and even viruses are physically blocked by the maze of mesh,...
Penn Engineers Show Key Feature for Modeling How Cells Spread in Fibrous Environments
Penn Engineers Cells Spread Fibrous Environments
2017/7/20
One area of research within mechanobiology, the study of how physical forces influence biological processes, is on the interplay between cells and their environment and how it impacts their ability to...
Penn Engineers Overcome a Hurdle in Growing a Revolutionary Optical Metamaterial
Penn Engineers Revolutionary Optical Metamaterial
2017/3/14
When John Crocker, a professor of chemical and biomolecular engineering in the University of Pennsylvania’s School of Engineering and Applied Science was a graduate student, his advisor...
Penn Engineers Develop First Transistors Made Entirely of Nanocrystal ‘Inks’
Penn Engineers Transistors Nanocrystal Inks
2016/4/13
The transistor is the most fundamental building block of electronics, used to build circuits capable of amplifying electrical signals or switching them between the 0s and 1s at the heart of digital co...
Penn Engineers Use Network Science to Predict How Ligaments Fail
Penn Engineers Network Science Ligaments Fail
2016/2/23
When doctors diagnose a torn ligament, it’s usually because they can see ruptures in the ligament’s collagen fibers, visible on a variety of different scans. However, they also often treat patients wi...
Penn Engineers Show How “Perfect” Materials Begin to Fail
Penn Engineers Perfect Materials Begin to Fail
2015/6/18
Crystalline materials have atoms that are neatly lined up in a repeating pattern. When they break, that failure tends to start at a defect, or a place where the pattern is disrupted. But how do defect...