75 years since the invention of the transistor
Institute of Microelectronics of Barcelona (IMB-CNM)
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The IMB-CNM has organized three activities for the Science Week, which were attended by more than 100 people throughout the week. The events, in Cerdanyola del Vallès and Terrassa, have brought together audiences from various ages.
The exhibition about the transistor "The silent revolution" is inaugurated at the Library of Science and Technology of the UAB
The Institute of Microelectronics of Barcelona opens the exhibition The Silent Revolution at the UAB Science and Technology Library. It reviews the 75-year history of the transistor and the paradigm shift that it brought for society. It can be seen at the UAB for a month and a half.
The natural environment has always been a source of inspiration for the research community. Nature has evolved over thousands of years to create the most complex living systems, with the ability to leverage inner and outside energetic interactions in the most efficient way. This work presents a flow battery profoundly inspired by nature, which mimics the fluid transport in plants to generate electric power. The battery was ecodesigned to meet a life cycle for precision agriculture (PA) applications; from raw material selection to disposability considerations, the battery is conceived to minimize its environmental impact while meeting PA power requirements.
Current advances in materials science have demonstrated that extracellular mechanical cues can define cell function and cell fate. However, a fundamental understanding of the manner in which intracellular mechanical cues affect cell mechanics remains elusive. How intracellular mechanical hindrance, reinforcement, and supports interfere with the cell cycle and promote cell death is described here. Reproducible devices with highly controlled size, shape, and with a broad range of stiffness are internalized in HeLa cells. Once inside, they induce characteristic cell-cycle deviations and promote cell death. Device shape and stiffness are the dominant determinants of mechanical impairment. Device structural support to the cell membrane and centering during mitosis maximize their effects, preventing spindle centering, and correct chromosome alignment. Nanodevices reveal that the spindle generates forces larger than 114 nN which overcomes intracellular confinement by relocating the device to a less damaging position. By using intracellular mechanical drugs, this work provides a foundation to defining the role of intracellular constraints on cell function and fate, with relevance to fundamental cell mechanics and nanomedicine.
Adv. Mater. 2022, 34, 2109581. https://doi.org/10.1002/adma.202109581