Publications by authors named "T Dvir"

Kitaev chains in quantum dot-superconductor arrays are a promising platform for the realization of topological superconductivity. As recently demonstrated, even a two-site chain can host Majorana zero modes known as "poor man's Majorana". Harnessing the potential of these states for quantum information processing, however, requires increasing their robustness to external perturbations.

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Overcoming the oxygen diffusion limit of approximately 200 µm remains one of the most significant and intractable challenges to be overcome in tissue engineering. The fabrication of hydrogel microtissues and their assembly into larger structures may provide a solution, though these constructs are not without their own drawbacks; namely, these hydrogels are rapidly degraded in vivo, and cells delivered via microtissues are quickly expelled from the area of action. Here, we report the development of an easily customized protocol for creating a protective, biocompatible hydrogel barrier around microtissues.

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Introduction: Few autistic adults are able to integrate successfully into the world of work given their difficulties adapting to the social and stressful aspects of work environments. Interpersonal synchrony, when two or more individuals share body movements or sensations, is a powerful force that consolidates human groups while promoting the ability to self-regulate and cooperate with others. The abilities to self-regulate and cooperate are crucial for maintaining a calm and productive work environment.

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Artificial Kitaev chains can be used to engineer Majorana bound states (MBSs) in superconductor-semiconductor hybrids. In this work, we realize a two-site Kitaev chain in a two-dimensional electron gas by coupling two quantum dots through a region proximitized by a superconductor. We demonstrate systematic control over inter-dot couplings through in-plane rotations of the magnetic field and via electrostatic gating of the proximitized region.

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Article Synopsis
  • The study focuses on the effectiveness of transcatheter edge-to-edge repair (TEER) for patients with mitral regurgitation (MR), specifically examining pulmonary venous (PV) flow as an indicator of heart valve function.
  • Researchers analyzed data from 80 consecutive MR patients who underwent TEER, measuring PV flow parameters before and after the procedure, and evaluated their relationship with heart failure hospitalizations (HFH) and mortality rates over one year.
  • Results showed significant improvements in PV flow following the TEER procedure, indicating that better hemodynamic parameters were linked to lower risks of heart failure and mortality, highlighting the potential of PV flow analysis as a useful tool for assessing TEER outcomes.
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