نتایج جستجو برای: سیستم شیمیایی نوسانی bz

تعداد نتایج: 104881  

Journal: :Genetics 1988
P S Schnable P A Peterson

The bz-rcy allele arose in a single gamete of the TEL (transposable-element laden) population, when the rcy receptor element inserted into the Bronze1 locus. This newly arisen receptor allele conditions a stable bronze kernel phenotype in the absence of the independently segregating regulatory element, Cy. In the presence of Cy, bz-rcy conditions fully colored spots on a bronze background. The ...

2015
Adam L. Wang

The collective behaviors of coupled oscillators are ubiquitous in biological systems, with examples including quorum sensing, cardiac muscle contractions, and networks of neurons. In an effort to better understand the generic properties of such oscillators, we investigated emulsions of diffusively coupled microdroplets containing the oscillatory Belousov—Zhabotinsky (BZ) reaction with a photo-i...

2013
Francisco Contijoch Walter R Witschey Jeremy R McGarvey Melissa M Levack Victor A Ferrari Norihiro Kondo Satoshi Takebayashi Toru Shimaoka Chikashi Aoki Gerald A Zsido Joseph H Gorman Robert C Gorman James J Pilla

Background Heart failure results in 280,000 deaths each year in the US and post-myocardial infarction (MI) remodeling is among the leading causes. An unresolved question is the integrity of the molecular contractile apparatus in the peri-infarct or borderzone (BZ) myocardium and the resulting effect on infarct stretching and thinning and BZ expansion. A difficulty is the lack of available metho...

2003
Brian J. Ruscito Neil L. Harrison

Liver failure is often accompanied by cognitive impairment and coma, a syndrome known as hepatic encephalopathy (HE). The administration of flumazenil, a benzodiazepine (BZ) antagonist, is effective in reversing the symptoms of HE in many patients. These clinical observations gave rise to notions of an endogenous BZ-like mechanism in HE, but to date no viable candidate compounds have been chara...

Journal: :Forests 2023

Anthropogenic activities are altering the structure and functioning of forests their services to society. However, we know little about degree which such changing health through edge effects in fragmented different regions world. The present study was carried out Minkong Community Reserve Forest Nagaland (North-east India) with aim determine anthropogenic on floristic composition diversity, pop...

Journal: :Mathematics 2023

In this article, we present a modified strategy that combines the residual power series method with Laplace transformation and novel iterative technique for generating solution to fractional nonlinear Belousov–Zhabotinsky (BZ) system. The proposed techniques use Laurent in their development. new procedures’ advantages include accuracy speed obtaining exact/approximate solutions. suggested appro...

Journal: :IJUC 2005
Tetsuya Asai Yusuke Kanazawa Tetsuya Hirose Yoshihito Amemiya

We introduce analog integrated circuits that imitate a typical model of a reaction diffusion system, called the Belousov-Zhabotinsky (BZ) reaction. The BZ reaction gives us many insights into developing new architectures based on a new computing paradigm such as in active wave computing. The analog unit circuit exhibits both excitatory and oscillatory behaviors with very stiff responses, as obs...

Journal: :Applied optics 2012
Rebecca M Smith Adam J Black Saalini S Velamakanni Taner Akkin Elena G Tolkacheva

Myocardial infarction, caused by a major blockage of a coronary artery, creates a border zone (BZ) between perfused and nonperfused tissue, which is believed to be the origin of fatal cardiac arrhythmias. We used a combination of optical clearing and polarization-sensitive optical coherence tomography to visualize a three-dimensional organization of the BZ in isolated rabbit hearts (n=5) at the...

2006
Nikom Suvonvorn Bertrand Zavidovique

This paper deals with designing an algorithm for feature pairing in vision, based on the ”stable marriages” paradigm. Our SZ is an extension of the recently published BZ algorithm. BZ scans the socalled ”marriage table” to optimize global satisfaction and equity over all couples. It still gets about 5% unstable results in average. After a case study that sorts blocking situations into 4 types, ...

Journal: :Physical review letters 2004
C R Nugent W M Quarles T H Solomon

Experiments are presented on pattern formation in the Belousov-Zhabotinsky (BZ) reaction in a blinking vortex flow. Mixing in this flow is chaotic, with nearby tracers separating exponentially with time. The patterns that form in this flow with the BZ reaction mimic chaotic mixing structures seen in passive transport. The behavior is analyzed in terms of a mixing time taum and a characteristic ...

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