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Although previous observational studies have shown associations between serum 25-hydroxyvitamin D (25(OH)D) concentration and metabolic syndrome, this association has not yet been investigated among Aboriginal and Torres Strait Islander…

The genome-wide recombination rate ($RR$) of a species is often described by one parameter, the ratio between total genetic map length ($G$) and physical map length ($P$), measured in centiMorgans per Megabase (cM/Mb). The value of this…

基因组学 · 定量生物学 2011-03-16 Wentian Li , Jan Freudenberg

Collective behaviour in biological systems is often accompanied by strong correlations. The question has therefore arisen of whether correlation is amplified by the vicinity to some critical point in the parameters space. Biological…

In vivo measurements of the passive movements of biomolecules or vesicles in cells consistently report ''anomalous diffusion'', where mean-squared displacements scale as a power law of time with exponent $\alpha< 1$ (subdiffusion). While…

定量方法 · 定量生物学 2014-01-27 Hugues Berry , Hugues Chaté

Yeast cells grown in culture can spontaneously synchronize their respiration, metabolism, gene expression and cell division. Such metabolic oscillations in synchronized cultures reflect single-cell oscillations, but the relationship between…

基因组学 · 定量生物学 2014-06-16 Nikolai Slavov , David Botstein , Amy Caudy

We show that the rate of activated escape $W$ from a periodically modulated potential displays scaling behavior versus modulation amplitude $A$. For adiabatic modulation of an optically trapped Brownian particle, measurements yield $\ln…

介观与纳米尺度物理 · 物理学 2009-11-07 M. I. Dykman , B. Golding , J. R. Kruse , L. I. McCann , D. Ryvkine

We report a theoretical study of an overdamped Brownian particle dynamics in the presence of both a spatially modulated one-dimensional periodic potential and a periodic alternating force (AF). As the periodic potential has a low symmetry…

统计力学 · 物理学 2013-05-29 M. V. Fistul

We present a measurement of the DLA mean bias from the cross-correlation of DLA and the Ly$\alpha$ forest, updating earlier results of Font-Ribera et al. 2012 with the final BOSS Data Release and an improved method to address continuum…

Quantum processes have been confirmed for various biological phenomena. Here we model a quantum process in cells based on coherent waves of established ultrafast energy transfers in water. We compute wave speed, ~156 km/s, and wavelength,…

综合物理 · 物理学 2012-10-05 Robert W. Finkel

Half-lives of radionuclides span more than 50 orders of magnitude. We characterize the probability distribution of this broad-range data set at the same time that explore a method for fitting power-laws and testing goodness-of-fit. It is…

数据分析、统计与概率 · 物理学 2015-05-28 Alvaro Corral , Francesc Font , Juan Camacho

Allometric scaling can reflect underlying mechanisms, dynamics and structures in complex systems; examples include typical scaling laws in biology, ecology and urban development. In this work, we study allometric scaling in scientific…

物理与社会 · 物理学 2017-03-10 Hongguang Dong , Menghui Li , Ru Liu , Chensheng Wu , Jinshan Wu

We study the statistical underpinnings of life. We question some common assumptions about the thermodynamics of life and illustrate how, contrary to widespread belief, even in a closed system entropy growth can accompany an increase in…

生物物理 · 物理学 2019-08-23 Kate Jeffery , Robert Pollack , Carlo Rovelli

Measurement in biological systems became a subject of concern as a consequence of numerous reports on limited reproducibility of experimental results. To reveal origins of this inconsistency, we have examined general features of biological…

其他定量生物学 · 定量生物学 2017-04-03 Dalibor Štys , Jan Urban , Renata Rychtáriková , Anna Zhyrova , Petr Císař

We investigate universal behavior in the recombination rate of three bosons close to threshold. Using the He-He system as a reference, we solve the three-body Schr\"odinger equation above the dimer threshold for different potentials having…

原子物理 · 物理学 2013-09-17 E. Garrido , M. Gattobigio , A. Kievsky

Antimicrobial resistance to drugs (AMR), a global threat to human and animal health, is often regarded as resulting from cooperative behaviour. Moreover, microbes generally evolve in volatile environments that, together with demographic…

种群与进化 · 定量生物学 2024-06-18 Lluís Hernández-Navarro , Matthew Asker , Mauro Mobilia

One of the fundamental problems in biology concerns the method by which a cluster of organisms can regulate the proportion of individuals that perform various roles or modes as if each individual knows a whole situation without a leader. A…

适应与自组织系统 · 物理学 2015-12-21 Mayuko Iwamoto , Daishin Ueyama

Unicellular microscopic organisms living in aqueous environments outnumber all other creatures on Earth. A large proportion of them are able to self-propel in fluids with a vast diversity of swimming gaits and motility patterns. In this…

生物物理 · 物理学 2021-07-14 Marcos F. Velho Rodrigues , Maciej Lisicki , Eric Lauga

We considered a {multi-block} molecular model of biological evolution, in which fitness is a function of the mean types of alleles located at different parts (blocks) of the genome. We formulated an infinite population model with selection…

种群与进化 · 定量生物学 2015-06-12 David B. Saakian , Zara Kirakosyan , Chin-Kun Hu

We consider a large family of branching-selection particle systems. The branching rate of each particle depends on its rank and is given by a function $b$ defined on the unit interval. There is also a killing measure $D$ supported on the…

概率论 · 数学 2021-12-28 P. Groisman , N. Soprano-Loto

In a recent Letter, Baer et al. present a stochastic method for Kohn-Sham density functional theory calculations. Their convergence criterion is the self-averaging total energy per electron, which requires a number of statistical samples…

材料科学 · 物理学 2014-04-15 Jonathan E. Moussa , Andrew D. Baczewski
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