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Hiroshi Yokoyama

Researcher at Kent State University

Publications -  468
Citations -  9540

Hiroshi Yokoyama is an academic researcher from Kent State University. The author has contributed to research in topics: Liquid crystal & Phase (matter). The author has an hindex of 46, co-authored 457 publications receiving 8999 citations. Previous affiliations of Hiroshi Yokoyama include Niigata University & Liquid Crystal Institute.

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Nonresonant detection of electric force gradients by dynamic force microscopy

TL;DR: In this paper, a mechanoelectric cross-modulation scheme was proposed to enable direct and non-resonant detection of electric force gradients by dynamic force microscopy.
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Molecular and Morphological Redescriptions of Enteric Myxozoans, Enteromyxum Ieei (formerly Myxidium sp. TP) and Enteromyxum fugu comb. n. (syn. Myxidium fugu) from Cultured Tiger Puffer

TL;DR: Phylogenetic analysis shows that M. fugu and M. TP are grouped with Enteromyxum species as a monophyletic clade, not with other Myxidium spp, and spores of M. Fugu satisfy the criteria for the genus EnteromyXum for spore morphology.
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Myxosporeans and Their Hyperparasitic Microsporeans in the Intestine of Emaciated Tiger Puffer

TL;DR: Three myxosporeans and 2 hyperparasitic microsporeans were found in the intestine of emaciated cultured tiger puffer Takifugu rubripes in Kyushu district of Japan and the differences in stainability by Diff-Quik and Uvitex 2B and in location of development made it possible to differentiate the species.
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Effects of Rubbing and Temperature Dependence of Polar Anchoring Strength of Homogeneously Aligned Nematic Liquid Crystal on Polyimide Langmuir-Blodgett Orientation Films.

TL;DR: The effect of rubbing on polyimide (PI) Langmuir-Blodgett surface alignment films has been successfully evaluated by observing the temperature dependence of the polar anchoring strength of nematic liquid crystal 4-cyano-4'-n-n-pentylbiphenyl (5CB).
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Dynamics of a nematic liquid crystal around a spherical particle

TL;DR: In this article, an adaptive mesh refinement scheme, together with the tensor description of the orientational order of a nematic liquid crystal around a spherical particle imposing strong homeotropic anchoring at the surface, was used to reproduce the transition from a hyperbolic hedgehog defect to a Saturn ring defect.