Polymeric Quasicrystal: Mesoscopic Quasicrystalline Tiling in Star Polymers

K Hayashida, T Dotera, A Takano, Y Matsushita - Physical Review Letters, 2007 - APS
A mesoscopic tiling pattern with 12-fold symmetry has been observed in a three-component
polymer system composed of polyisoprene, polystyrene, and poly (2-vinylpyridine) which …

Relation between morningness–eveningness score and depressive symptoms among patients with delayed sleep phase syndrome

…, S Asaoka, M Kanno, K Shibui, K Hayashida… - Sleep medicine, 2011 - Elsevier
OBJECTIVES: Depressive symptoms are observed in a relatively large series of patients
with delayed sleep phase syndrome (DSPS). This study was undertaken to investigate the …

Quality of life in patients with narcolepsy with cataplexy, narcolepsy without cataplexy, and idiopathic hypersomnia without long sleep time: comparison between …

A Ozaki, Y Inoue, K Hayashida, T Nakajima, M Honda… - Sleep medicine, 2012 - Elsevier
OBJECTIVE: To assess the quality of life of patients with narcolepsy with cataplexy (NA–CA),
narcolepsy without cataplexy (NA w/o CA), and idiopathic hypersomnia without long sleep …

Structures of human pannexin-1 in nanodiscs reveal gating mediated by dynamic movement of the N terminus and phospholipids

M Kuzuya, H Hirano, K Hayashida, M Watanabe… - Science …, 2022 - science.org
Pannexin (PANX) family proteins form large-pore channels that mediate purinergic signaling.
We analyzed the cryo-EM structures of human PANX1 in lipid nanodiscs to elucidate the …

Electromagnetic interference shielding properties of polymer-grafted carbon nanotube composites with high electrical resistance

K Hayashida, Y Matsuoka - Carbon, 2015 - Elsevier
Poly(methyl methacrylate) (PMMA)-grafted multiwalled CNTs were prepared, and then
dispersed into additional PMMA matrix, yielding highly insulated PMMA–CNT composites. The …

Flame retardant mechanism of polydimethylsiloxane material containing platinum compound studied by analytical pyrolysis techniques and alkaline hydrolysis gas …

K Hayashida, S Tsuge, H Ohtani - Polymer, 2003 - Elsevier
The flame retardant mechanism for silicone rubber induced by adding ppm order of a platinum
compound, platinum (0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex was studied by …

Systematic transitions of tiling patterns formed by ABC star-shaped terpolymers

K Hayashida, A Takano, S Arai, Y Shinohara… - …, 2006 - ACS Publications
New tiling patterns with complex arrangements have been identified for ABC star-shaped
terpolymers and ABC/A/B copolymer/homopolymer blends characterized by transmission …

Health-related quality of life among drug-naive patients with narcolepsy with cataplexy, narcolepsy without cataplexy, and idiopathic hypersomnia without long sleep …

A Ozaki, Y Inoue, T Nakajima, K Hayashida… - Journal of Clinical …, 2008 - jcsm.aasm.org
Objective: To evaluate the health-related quality life (HRQOL) of drugnaïve patients with
narcolepsy with cataplexy (NA with CA), narcolepsy without cataplexy (NA without CA) and …

Short sleep duration and long spells of driving are associated with the occurrence of Japanese drivers' rear‐end collisions and single‐car accidents

…, Y Komada, Y Nishida, K Hayashida… - Journal of sleep …, 2010 - Wiley Online Library
Sleepiness and fatigue are important risk factors for traffic accidents. However, the relation
between the accident type and lack of sleep as well as spells of driving has not been …

HPLC characterization of cyclization reaction product obtained by end-to-end ring closure reaction of a telechelic polystyrene

…, Y Kushida, K Aoki, K Masuoka, K Hayashida… - …, 2007 - ACS Publications
Cyclization reaction product synthesized by the end-to-end ring closure reaction of a telechelic
polystyrene with molecular weight of 38K in extremely dilute conditions was carefully …