Results 91 to 100 of about 6,663,186 (371)

Using the Maximal Entropy Modeling Approach to Analyze the Evolution of Sedentary Agricultural Societies in Northeast China

open access: yesEntropy, 2020
The emergence of agriculture and the evolution of sedentary societies are among the most important processes in human history. However, although archeologists and social scientists have long been studying these processes, our understanding of them is ...
Ido Wachtel   +2 more
doaj   +1 more source

Interplay between circadian and other transcription factors—Implications for cycling transcriptome reprogramming

open access: yesFEBS Letters, EarlyView.
This perspective highlights emerging insights into how the circadian transcription factor CLOCK:BMAL1 regulates chromatin architecture, cooperates with other transcription factors, and coordinates enhancer dynamics. We propose an updated framework for how circadian transcription factors operate within dynamic and multifactorial chromatin landscapes ...
Xinyu Y. Nie, Jerome S. Menet
wiley   +1 more source

On the h-measure of an exceptional set in Fenton-type theorem for Taylor-Dirichlet series

open access: yesМатематичні Студії
We consider the class $S(\lambda,\beta,\tau)$ of convergent for all  $x\ge0$ Taylor-Dirichlet type series of the form $$F(x) =\sum_{n=0}^{+\infty}{b_ne^{x\lambda_n+\tau(x)\beta_n}},\  b_n\geq 0\ (n\geq 0),$$  where  $\tau\colon [0,+\infty)\to (0 ...
A.Yu. Bodnarchuk   +2 more
doaj   +1 more source

Quivers of monoids with basic algebras

open access: yes, 2011
We compute the quiver of any monoid that has a basic algebra over an algebraically closed field of characteristic zero. More generally, we reduce the computation of the quiver over a splitting field of a class of monoids that we term rectangular monoids (
Aguiar   +27 more
core   +1 more source

Real‐time assay of ribonucleotide reductase activity with a fluorescent RNA aptamer

open access: yesFEBS Letters, EarlyView.
Ribonucleotide reductases (RNR) synthesize DNA building blocks de novo, making them crucial in DNA replication and drug targeting. FLARE introduces the first single‐tube real‐time coupled RNR assay, which enables isothermal tracking of RNR activity at nanomolar enzyme levels and allows the reconstruction of allosteric regulatory patterns and rapid ...
Jacopo De Capitani   +4 more
wiley   +1 more source

About Borel type relation for some positive functional series

open access: yesМатематичні Студії
Let $f$ be an entire transcendental function, $(\lambda_n)$ be a non-decreasing to $+\infty$ sequence, $M_f(r)=\max\{|f(z)|\colon |z|=r\}$, and $\Gamma_f(r)/r=(\ln M_f(r))'_+$ be a right derivative, $r>0$.
A.Yu. Bodnarchuk   +2 more
doaj   +1 more source

Effects of long term supplementation of anabolic androgen steroids on human skeletal muscle. [PDF]

open access: yesPLoS ONE, 2014
The effects of long-term (over several years) anabolic androgen steroids (AAS) administration on human skeletal muscle are still unclear. In this study, seventeen strength training athletes were recruited and individually interviewed regarding self ...
Ji-Guo Yu   +5 more
doaj   +1 more source

Function‐driven design of a surrogate interleukin‐2 receptor ligand

open access: yesFEBS Letters, EarlyView.
Interleukin (IL)‐2 signaling can be achieved and precisely fine‐tuned through the affinity, distance, and orientation of the heterodimeric receptors with their ligands. We designed a biased IL‐2 surrogate ligand that selectively promotes effector T and natural killer cell activation and differentiation. Interleukin (IL) receptors play a pivotal role in
Ziwei Tang   +9 more
wiley   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

open access: yesFEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo   +2 more
wiley   +1 more source

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