Scientists at Germany's Max Planck Institute (MPI) for Medical Research, Max Planck Institute for Intelligent Systems, Heidelberg University, and Fraunhofer Institute for Biomedical Engineering have created a technique for assembling three-dimensional (3D) objects using ultrasound.
The concept applies multiple acoustic holograms to generate pressure fields for printing solid particles, gel beads, and even biological cells.
The method involves capturing particles and cells floating in water and configuring them into 3D objects.
MPI’s Heiner Kremer, who produced the algorithm for optimizing the hologram, explained, "The digitization of an entire 3D object into ultrasound hologram fields is computationally very demanding and required us to come up with a new computation routine."
From Max Planck Institute for Medical Research (Germany)
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