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The impact of simultaneous infections on phage-host ecology.
Theor Popul Biol
December 2024
Department of Mathematics, University of British Columbia, 1984 Mathematics Road, Vancouver B.C., Canada, V6T 1Z2; Department of Zoology, University of British Columbia, 6270 University Boulevard, Vancouver B.C., Canada, V6T 1Z4.
Phages use bacterial host resources to replicate, intrinsically linking phage and host survival. To understand phage dynamics, it is essential to understand phage-host ecology. A key step in this ecology is infection of bacterial hosts.
View Article and Find Full Text PDFEnergy dependence of synchronization mode transitions in the delay-coupled FitzHugh-Nagumo system driven by chaotic activity.
Cogn Neurodyn
April 2024
Department of Physics, Central China Normal University, Wuhan, 430079 China.
Energy absorption and consumption are essential for the activity of single neurons and neuronal networks. The synchronization mode transition and energy dependence in a delay-coupled FitzHugh-Nagumo (FHN) neuronal system driven by chaotic activity are investigated in this paper. With the change of chaotic current intensity, it was found that the synchronization mode of coupled neurons undergoes synchronous state, transition state, anti-phase state, alternating asynchronous and anti-phase state, and chaotic current-induced chaotic state.
View Article and Find Full Text PDFPhase Separation to Resolve Growth-Related Circuit Failures.
bioRxiv
November 2024
School of Biological and Health Systems Engineering, Arizona State University, Tempe, Arizona 85281, United States.
Fluctuations in host cell growth poses a significant challenge to synthetic gene circuits, often disrupting circuit function. Existing solutions typically rely on circuit redesign with alternative topologies or additional control elements, yet a broadly applicable approach remains elusive. Here, we introduce a new strategy based on liquid-liquid phase separation (LLPS) to stabilize circuit performance.
View Article and Find Full Text PDFOptical imaging of the stochastic nucleation kinetics and intrinsic activation energy of single spin-crossover nanoparticles.
Proc Natl Acad Sci U S A
November 2024
State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
Cooperative spin crossover (SCO) compounds are one of the most promising molecular bistable solids due to their intriguing thermal hysteresis phenomena around room temperature. It is well known that hysteresis is an essential kinetic effect, however, accurate assessment of the spin transition kinetics of SCO nanomaterials remains scarce. Herein, we developed a thermal-optical methodology to image the thermally induced spin transition kinetics of single SCO nanoparticles in a quantitative, repeatable, and high-throughput manner.
View Article and Find Full Text PDFBi-Stable Metamaterials with Intrinsic Memory for Selective Wave Filtering Based on Frequency and Amplitude.
Adv Sci (Weinh)
January 2025
School of Mechanical, Aerospace, and Manufacturing Engineering, University of Connecticut, Storrs, CT, 06269, USA.
Analytical, numerical, and experimental methods are used to investigate the utility of metamaterials in controlling harmonic waves based on both their amplitude and frequency. By programming the metamaterials to support bi-stable configurations (i.e.
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