pattern formation
Pattern formation today
... of pattern formation, how the genetic code is translated into biological form, and how complex phenotypes are selected over evolutionary ...of pattern formation have shaped each ...of ...
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Pattern formation mechanisms in reaction diffusion systems
... Biology as a science probably began with efforts to system- atize and classify the many varieties of plants and animals. The main criteria for such early taxonomic endeavors involved shapes or patterns. Clearly, biology ...
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Mechanistic stochastic model of histone modification pattern formation
... modification pattern formation at a minute scale; around 1 min for the combined mechanism (Figure 3C) and within 5 min in the case of high efficiency recruit- ment (Figure ...complex formation and ...
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The role of hydrological transience in peatland pattern formation
... One current hypothesis on peatland pattern formation, the ponding mechanism, has been explored using cellular land- scape models in a number of previous studies. The ponding mechanism consists of a pair of ...
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Regeneration and pattern formation an interview with Susan Bryant
... way pattern formation works, he still was my main ...understand pattern formation (see interview with Lewis Wolpert by ...of pattern in adult vertebrates, and his focus has been on the ...
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Turing pattern formation with fractional diffusion and fractional reactions
... induced pattern formation in a two-species variant of this model system with source/sink terms taken to be fractional order temporal derivatives of standard activator-inhibitor ...Turing pattern ...
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Spontaneous optomechanical pattern formation in cold atoms
... optical pattern formation in the transverse plane, dominated by density modulation effects due to dipole forces exerted by light on a cold atomic ...the formation of self-organized hexagonal ...
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Optical pattern formation with a two-level nonlinearity
... a pattern- forming optical instability in a cloud of cold atoms, based only on the two-level electronic ...and pattern formation, motivated by the fact that several nonlinear mech- anisms coexist and ...
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Optical pattern formation with a 2-level nonlinearity
... We present an experimental and theoretical investigation of spontaneous pattern formation in the transverse section of a single retro-reflected laser beam passing through a cloud of cold Rubidium atoms. In ...
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Pattern formation and intercellular communication in the alga stigeoclonium
... 1 .4 MODELS OF PATTERN FORMATION IN DEVELOPMENTAL FIELDS There are two major classes of models to explain biological pattern formation: the prepattern theory and the positional informati[r] ...
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Spontaneous spatial fractal pattern formation in absorptive systems
... resultant pattern in the one-dimensional transverse plane will be an extremely complicated area-filling pattern with fractal dimension ...the pattern formation process). For simple ...
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An Alternative Method for Difference Pattern Formation in Monopulse Antenna
... radiation pattern of the two external edge elements can be specifically designed to align the location of its main lobe with that of the original sum ...allows formation of difference pattern. The ...
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Bioconvective pattern formation of Tetrahymena under altered gravity
... bioconvective pattern formation in the suspension of Tetrahymena is highly sensitive to ...the pattern spacing decreases with increasing gravity should aid the advancement of theoretical ...
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Regulation of cell differentiation and pattern formation in Dictyostelium development
... Int I De Rinl 38 31 t 319 (1994) 311 Rroiew Regulation of cell differentiation and pattern formation in Dictyostelium development IKUO TAKEUCHI", MASAO TASAKA' KOJI OKAMOTO' and YASUO MAEDA3 'Nationa/[.] ...
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Metamorphosis and pattern formation in Hydractinia echinata, a colonial hydroid
... Inl I Dc,' llio! ~n 313 322 (1996) 313 Metamorphosis and pattern formation in Hydractinia echinata, a colonial hydroid MICHAEL WALTHER RITA ULRICH, MICHAEL KROIHER and STEFAN BERKING* Zoologisches Ins[.] ...
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Pattern formation in miniature: the female gametophyte of flowering plants
... gamete formation was recognized over a century ...of pattern formation in the female gametophyte and indicate that morphogenetic gradients of the hormone auxin act in combination with precisely ...
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Stochastic pattern formation in growth models with spatial competition
... Non-equilibrium growth and spreading phenomena are ubiquitous processes in na- ture. Many examples are observed across different systems with a wide range of kinetic growth rules [177]. Key questions in the area attempt ...
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Pattern formation in skin development
... Int I Ul'L MinI J t 1 1 50 ()I}YO) Pattern formation in skin development PHILIPPE SENGEL Laboratoire de Biologie Cellufaire Animale, Universite Joseph Fourier, Grenoble, France CONTENTS Introduction T[.] ...
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Pattern formation in large domains
... In order to apply rigorous mathematical theories to explain experimental results and other occurrences of pattern formation in the natural world, there are naturally a series of idealizations and ...
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Pattern formation in the Drosophila eye disc
... The progressive development of identical units within a mono- layer epithelium makes the Drosophila eye disc an excellent system in which to address the regulatory mechanisms of pattern formation. Positive ...
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