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High-affinity VNARs targeting human hemoglobin: Screening, stability and binding analysis.
Int J Biol Macromol
January 2025
College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China. Electronic address:
Hemoglobin, composed of α- and β-chains, is essential for oxygen transport and is key in diagnosing and treating gastrointestinal and blood disorders. It also aids in detecting blood contamination and estimating transfusion volumes. Immunological methods, based on antigen-antibody interactions, are distinguished by their high sensitivity and accuracy.
View Article and Find Full Text PDFVariational Quantum Algorithm for Non-Markovian Quantum Dynamics Using an Ensemble of Ehrenfest Trajectories.
J Phys Chem Lett
January 2025
Department of Chemistry and Biochemistry, George Mason University, Fairfax, Virginia 22030, United States.
The simulation of non-Markovian quantum dynamics plays an important role in the understanding of charge and exciton dynamics in the condensed phase environment, yet such a simulation remains computationally expensive on classical computers. In this work, we develop a variational quantum algorithm that is capable of simulating non-Markovian quantum dynamics on quantum computers. The algorithm captures the non-Markovian effect by employing the Ehrenfest trajectories and Monte Carlo sampling of their thermal distribution.
View Article and Find Full Text PDFParticle exchange statistics beyond fermions and bosons.
Nature
January 2025
Department of Physics and Astronomy, Rice University, Houston, TX, USA.
Article Synopsis
- There are generally two known types of particle statistics in quantum mechanics: fermions and bosons, along with a rare exception called anyons in two dimensions.
- The concept of parastatistics, previously thought to be equivalent to fermions and bosons, is now shown to allow for unique particle types that follow distinct exclusion principles.
- This research introduces a new theory involving these "paraparticles," leading to the discovery of new quasiparticle behaviors in quantum spin models, potentially paving the way for new elementary particle categories in physics.
Imaging interlayer exciton superfluidity in a 2D semiconductor heterostructure.
Sci Adv
January 2025
Department of Physics, University of Arizona, Tucson, AZ 85721, USA.
Article Synopsis
- Excitons, which are pairs of electrons and holes held together by Coulomb forces, can form a superfluid at low temperatures due to their bosonic properties.
- The research involves directly imaging this exciton superfluid in a specific material setup (MoSe-WSe heterostructure), demonstrating a significant level of order across the sample.
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Breakdown of the Quantum Distinction of Regular and Chaotic Classical Dynamics in Dissipative Systems.
Phys Rev Lett
December 2024
Instituto de Investigaciones en Matemáticas Aplicadas y en Sistemas, Universidad Nacional Autónoma de México, C.P. 04510 Mexico City, Mexico.
Quantum chaos has recently received increasing attention due to its relationship with experimental and theoretical studies of nonequilibrium quantum dynamics, thermalization, and the scrambling of quantum information. In an isolated system, quantum chaos refers to properties of the spectrum that emerge when the classical counterpart of the system is chaotic. However, despite experimental progress leading to longer coherence times, interactions with an environment can never be neglected, which calls for a definition of quantum chaos in dissipative systems.
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