نتایج جستجو برای: ribbon

تعداد نتایج: 4116  

Journal: :The Journal of Cell Biology 1995
H Mehlin B Daneholt U Skoglund

The transport of Balbiani ring (BR) premessenger RNP particles in the larval salivary gland cells of the dipteran Chironomus tentans can be followed using electron microscopy. A BR RNP particle consists of an RNP ribbon bent into a ringlike structure. Upon translocation through the nuclear pore complex (NPC), the ribbon is straightened and enters the central channel of the NPC with the 5' end o...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1982
H M Sobkowicz J E Rose G E Scott S M Slapnick

Over 100 synaptic ribbons were studied in the intact animal from birth to the 23rd day and over 500 were studied in the isolated organ up to 24 days in culture. Our findings suggest that synaptogenesis in the cochlea of the mouse occurs mainly postnatally and lasts at least 14 days. Afferent synapses of young cochleas are characterized by round ribbons which are attached to the presynaptic memb...

Journal: :Electr. J. Comb. 2009
Farzin Barekat Stephanie van Willigenburg

We introduce a new operation on skew diagrams called composition of transpositions, and use it and a Jacobi-Trudi style formula to derive equalities on skew Schur Q-functions whose indexing shifted skew diagram is an ordinary skew diagram. When this skew diagram is a ribbon, we conjecture necessary and sufficient conditions for equality of ribbon Schur Q-functions. Moreover, we determine all re...

2009
Sakie SUZUKI Sakie Suzuki

A bottom tangle is a tangle in a cube consisting of arc components whose boundary points are on a line in the bottom square of the cube. A ribbon bottom tangle is a bottom tangle whose closure is a ribbon link. For every n-component ribbon bottom tangle T , we prove that the universal invariant JT of T associated to the quantized enveloping algebra Uh(sl2) of the Lie algebra sl2 is contained in...

2016
Danming Tang Xiaoyan Zhang Shijiao Huang Hebao Yuan Jie Li Yanzhuang Wang Benjamin S. Glick

In mammalian cells, the Golgi reassembly stacking protein 65 (GRASP65) has been implicated in both Golgi stacking and ribbon linking by forming trans-oligomers through the N-terminal GRASP domain. Because the GRASP domain is globular and relatively small, but the gaps between stacks are large and heterogeneous, it remains puzzling how GRASP65 physically links Golgi stacks into a ribbon. To expl...

2009
Sakie Suzuki

A bottom tangle is a tangle in a cube consisting of arc components whose boundary points are on a line in the bottom square of the cube. A ribbon bottom tangle is a bottom tangle whose closure is a ribbon link. For every n-component ribbon bottom tangle T , we prove that the universal invariant JT of T associated to the quantized enveloping algebra Uh(sl2) of the Lie algebra sl2 is contained in...

2014
P. A. Orellana L. Rosales L. Chico M. Pacheco

We show that a bilayer graphene ribbon deposited above a ferromagnetic insulator can behave as a spin-filtering device. The ferromagnetic material induces exchange splitting in the graphene ribbon, and due to the Fano antiresonances occurring in the transmission of the graphene ribbon as a function of ribbon length and energy, it is possible to obtain a net spin current. This happens when an an...

2017
Anton Nosenko Taras Mika Olexandr Semyrga Viktor Nosenko

The influence of winding-induced mechanical stresses on the magnetic anisotropy and core loss in toroidal cores made of Fe73Cu1Nb3Si16B7 ribbon is studied. The ribbon for the cores was rapidly pre-heated under tensile stress up to 120 MPa. It was found that magnetic characteristics of the material (magnetic anisotropy energy and the core loss) can be controlled by varying the tensile stress dur...

2008
KAZUAKI MAEDA

This paper describes Ribbon (Ruby Instructions Becoming Basic Object Notation), a new representation written in a text-based data format using Ruby syntax. The design principle of Ribbon is good readability and simplicity of structured data representation. An important feature of Ribbon is an executable representation. Once Ribbon-related definitions are loaded into a Ruby interpreter, the repr...

Journal: :Physical review letters 2013
Julien Chopin Arshad Kudrolli

We investigate the instabilities of a flat elastic ribbon subject to twist under tension and develop an integrated phase diagram of the observed shapes and transitions. We find that the primary buckling mode switches from being localized longitudinally along the length of the ribbon to transverse above a triple point characterized by a crossover tension that scales with ribbon elasticity and as...

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