Results 91 to 100 of about 2,378,927 (357)

Hollow fiber clinostat for simulating microgravity in cell culture [PDF]

open access: yes, 1992
A clinostat for simulating microgravity on cell systems carried in a fiber fixedly mounted in a rotatable culture vessel is disclosed. The clinostat is rotated horizontally along its longitudinal axis to simulate microgravity or vertically as a control ...
Miller, Teresa Y.   +2 more
core   +1 more source

Local dynamics for fibered holomorphic transformations [PDF]

open access: yes, 2007
Fibered holomorphic dynamics are skew-product transformations over an irrational rotation, whose fibers are holomorphic functions. In this paper we study such a dynamics on a neighborhood of an invariant curve. We obtain some results analogous to the results in the non fibered case.
arxiv   +1 more source

Study of the expression of cellulose synthase genes during plant growth of flax

open access: yesАграрная наука Евро-Северо-Востока
During the selection of crops aimed at creating high-fiber varieties, it is important to determine the patterns of fiber formation at the molecular level and the genotype specificity of cellulose synthesis processes, to study the efficiency of the genes ...
T. A. Bazanov   +4 more
doaj   +1 more source

A model for the break-up of a tuft of fibers [PDF]

open access: yes, 2006
A simple model for the forces acting on a single fiber as it is withdrawn from a tangled fiber assembly is proposed. Particular emphasis is placed on understanding the dynamics of the reptating fiber with respect to the entanglement of fibers within the ...
A. J. M. Spencer   +10 more
core   +1 more source

Failure strength of thin-walled cylindrical GFRP composite shell against static internal and external pressure for various volumetric fiber fraction [PDF]

open access: yes, 2012
A study on a Circular cylindrical thin-walled shell failure made of GRP composite subjected to static internal and external pressure was carried out. The results were acquired using analytical and FEM simulation approaches for various volumetric fiber ...
Gohari, S   +4 more
core   +1 more source

Holomorphic fiber bundles with hyperbolic fiber [PDF]

open access: yesProceedings of the American Mathematical Society, 1974
The purpose of the present note is to show that holomorphic fiber bundles with hyperbolic fiber are almost trivial: They are trivial if the base is simply connected, and have a simple structure otherwise.
openaire   +1 more source

Mitochondrial DNA disorders in neuromuscular diseases in diverse populations

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
Abstract Neuromuscular features are common in mitochondrial DNA (mtDNA) disorders. The genetic architecture of mtDNA disorders in diverse populations is poorly understood. We analysed mtDNA variants from whole‐exome sequencing data in neuromuscular patients from South Africa, Brazil, India, Turkey and Zambia. In 998 individuals, there were two definite
Fei Gao   +34 more
wiley   +1 more source

Protein crystals in adenovirus type 5-infected cells: requirements for intranuclear crystallogenesis, structural and functional analysis [PDF]

open access: yes, 2008
Intranuclear crystalline inclusions have been observed in the nucleus of epithelial cells infected with Adenovirus serotype 5 (Ad5) at late steps of the virus life cycle.
A Lifchitz   +84 more
core   +5 more sources

An MRI assessment of mechanisms underlying lesion growth and shrinkage in multiple sclerosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
By applying the tensor model, we analysed lesion orientation and the directionality of lesion expansion/contraction in multiple sclerosis. Each lesion is summarized as an ellipsoid, and the tensor model is applied to calculate lesion anisotropy. From the top to the bottom white matter atlas, surface‐in gradient segmentation and venous atlas used in the
Ermelinda De Meo   +9 more
wiley   +1 more source

Fiber optic microphone having a pressure sensing reflective membrane and a voltage source for calibration purpose [PDF]

open access: yes, 1993
A fiber optic microphone is provided for measuring fluctuating pressures. An optical fiber probe having at least one transmitting fiber for transmitting light to a pressure-sensing membrane and at least one receiving fiber for receiving light reflected ...
Cuomo, Frank W.   +2 more
core   +1 more source

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