Results 21 to 30 of about 202,062 (98)

Predicting the asymmetric response of a genetic switch to noise [PDF]

open access: yes, 2008
We present a simple analytical tool which gives an approximate insight into the stationary behavior of nonlinear systems undergoing the influence of a weak and rapid noise from one dominating source, e.g. the kinetic equations describing a genetic switch with the concentration of one substrate fluctuating around a constant mean.
arxiv   +1 more source

Structure–Activity Relationship Study of Acyclic Terpenes in Blood Glucose Levels: Potential α-Glucosidase and Sodium Glucose Cotransporter (SGLT-1) Inhibitors

open access: yesMolecules, 2019
Twelve terpenoids were evaluated in the treatment of type 2 diabetes mellitus: seven monoterpenes (geranyl acetate (1), geranic acid (2), citral (3), geraniol (4), methyl geranate (5), nerol (6), and citronellic acid (7)), three sesquiterpenes (farnesal (
Miguel Valdes   +2 more
doaj   +1 more source

Extrinsic noise passing through a Michaelis-Menten reaction: A universal response of a genetic switch [PDF]

open access: yes, 2009
The study of biochemical pathways usually focuses on a small section of a protein interactions network. Two distinct sources contribute to the noise in such a system: intrinsic noise, inherent in the studied reactions, and extrinsic noise generated in other parts of the network or in the environment.
arxiv   +1 more source

Lactose Intolerance in Bulgaria: A Preliminary Study

open access: yesActa Medica Bulgarica
Lactose intolerance affects more than 65% of the world’s population. Main methods for confirming this condition include hydrogen breath test, oral lactose administration and blood glucose measurements, and also biopsy.
Chengolova Z.   +3 more
doaj   +1 more source

THz-TDS time-trace analysis for the extraction of material and metamaterial parameters [PDF]

open access: yesIEEE Transactions on Terahertz Science and Technology, Institute of Electrical and Electronics Engineers, 2018, https://ieeexplore.ieee.org/document/8585050, 2018
We report on a method and an associated open source software, Fit@TDS, working on an average personal computer. The method is based on the fitting of a time-trace data of a terahertz time-domain-spectroscopy system enabling the retrieval of the refractive index of a dielectric sample and the resonance parameters of a metasurface (quality factor ...
arxiv   +1 more source

Metabolic and performance responses to the replacement of lactose by fat in milk replacer formulations for dairy calves

open access: yesAnimal, 2021
The recent trend in the dairy industry towards elevated planes of milk feeding of young calves requires reconsideration of calf milk replacer (CMR) formulations.
T.T. Yohe   +5 more
doaj  

TREATMENT OF DIARRHEA-PREDOMINANT IRRITABLE BOWEL SYNDROME WITH MESALAZINE AND/OR SACCHAROMYCES BOULARDII

open access: yesArquivos de Gastroenterologia, 2013
Context Irritable bowel syndrome (IBS) is a functional bowel disease characterized by abdominal pain and altered intestinal habits. The pathophysiology of IBS remains unclear.
Mauro BAFUTTO   +5 more
doaj   +1 more source

Tolerant Testing of High-Dimensional Samplers with Subcube Conditioning [PDF]

open access: yesarXiv, 2023
We study the tolerant testing problem for high-dimensional samplers. Given as input two samplers $\mathcal{P}$ and $\mathcal{Q}$ over the $n$-dimensional space $\{0,1\}^n$, and two parameters $\varepsilon_2 > \varepsilon_1$, the goal of tolerant testing is to test whether the distributions generated by $\mathcal{P}$ and $\mathcal{Q}$ are $\varepsilon_1$
arxiv  

Evaluation of four commercial tests for detecting ceftiofur in waste milk bulk tank samples.

open access: yesPLoS ONE, 2019
The objective of this study was to identify factors affecting the accuracy of four commercial tests for ceftiofur drug residue in milk samples from bulk tank waste milk (WM).
Marlene Belmar   +3 more
doaj   +1 more source

Predictive Fault Tolerance for Autonomous Robot Swarms [PDF]

open access: yesarXiv, 2023
Active fault tolerance is essential for robot swarms to retain long-term autonomy. Previous work on swarm fault tolerance focuses on reacting to electro-mechanical faults that are spontaneously injected into robot sensors and actuators. Resolving faults once they have manifested as failures is an inefficient approach, and there are some safety-critical
arxiv  

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