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Showing 1 to 12 of 379 entries
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Erratum: Simultaneous silence organizes structured higher-order interactions in neural populations.

Scientific reports

Shimazaki H, Sadeghi K, Ishikawa T, Ikegaya Y, Toyoizumi T.
PMID: 26449163
Sci Rep. 2015 Oct 09;5:14893. doi: 10.1038/srep14893.

No abstract available.

Comparison of Near-Infrared Spectroscopy and Bioelectrical Impedance Analysis for the Assessment of Body Composition in the Frail Elderly.

The Journal of frailty & aging

Kamo T, Ishii H, Takahashi D, Iwagaya K, Ishida T, Nishida Y.
PMID: 27048859
J Frailty Aging. 2014;3(4):211-5. doi: 10.14283/jfa.2014.26.

BACKGROUND: Body composition is an important component of health related fitness. Near-infrared spectroscopy (NIRS) is a non-invasive, simple and rapid method of assessing body fat percentage. However, it is unknown whether NIRS can accurately estimate FFM in community-dwelling frail...

A neural network model of reliably optimized spike transmission.

Cognitive neurodynamics

Samura T, Ikegaya Y, Sato YD.
PMID: 25972976
Cogn Neurodyn. 2015 Jun;9(3):265-77. doi: 10.1007/s11571-015-9329-1. Epub 2015 Jan 23.

We studied the detailed structure of a neuronal network model in which the spontaneous spike activity is correctly optimized to match the experimental data and discuss the reliability of the optimized spike transmission. Two stochastic properties of the spontaneous...

Pharmacological property of tributyltin in vivo and in vitro.

Environmental toxicology and pharmacology

Mizuhashi S, Ikegaya Y, Matsuki N.
PMID: 10925074
Environ Toxicol Pharmacol. 2000 Mar 01;8(3):205-212. doi: 10.1016/s1382-6689(00)00042-9.

Tributyltin (TBT), an assumed endocrine-disrupting chemical, is widely known to show harmful effects in invertebrates including the dioecious snails. As for mammals, there are several reports concerning TBT toxicology, but few indications about general pharmacology of TBT. In the...

Saturation and postsaturation phenomena of Rayleigh-Taylor instability with adjacent modes.

Physical review. E, Statistical, nonlinear, and soft matter physics

Ikegawa T, Nishihara K.
PMID: 12636819
Phys Rev E Stat Nonlin Soft Matter Phys. 2003 Feb;67(2):026404. doi: 10.1103/PhysRevE.67.026404. Epub 2003 Feb 06.

A weakly nonlinear theory has been developed for the classical Rayleigh-Taylor instability with a finite bandwidth taken into account self-consistently. The theory includes up to third order nonlinearity, which results in the saturation of linear growth and determines subsequent...

Spectroscopic study of J aggregates of amphiphilic merocyanine dyes formed in their pure Langmuir films.

The Journal of chemical physics

Ikegami K.
PMID: 15260788
J Chem Phys. 2004 Aug 01;121(5):2337-47. doi: 10.1063/1.1767152.

It is known that an amphiphilic merocyanine dye, 3-carboxymethyl-5-[2-(3-octadecyl-2(3H)- benzothiazolylidene)ethylidene]-2-thioxo-4-thiazolidinone (DS) and its derivatives DSe and 6MeDS form J aggregates under the presence of metallic cations, although the dyes' static dipole moments must be favorable for H aggregates. A...

Suppression of the Rayleigh-Taylor instability due to self-radiation in a multiablation target.

Physical review letters

Fujioka S, Sunahara A, Nishihara K, Ohnishi N, Johzaki T, Shiraga H, Shigemori K, Nakai M, Ikegawa T, Murakami M, Nagai K, Norimatsu T, Azechi H, Yamanaka T.
PMID: 15169410
Phys Rev Lett. 2004 May 14;92(19):195001. doi: 10.1103/PhysRevLett.92.195001. Epub 2004 May 13.

A scheme to suppress the Rayleigh-Taylor instability has been investigated for a direct-drive inertial fusion target. In a high-Z doped-plastic target, two ablation surfaces are formed separately-one driven by thermal radiation and the other driven by electron conduction. The...

Interesting experimental results in Japan Proton Accelerator Research Complex H- ion-source development (invited).

The Review of scientific instruments

Ueno A, Oguri H, Ikegami K, Namekawa Y, Ohkoshi K.
PMID: 20192389
Rev Sci Instrum. 2010 Feb;81(2):02A720. doi: 10.1063/1.3271243.

The following interesting experimental results observed in Japan Proton Accelerator Research Complex (J-PARC) H(-) ion-source developments are reviewed. It was proven that almost all of H(-) ions were produced with surface reactions in cesium (Cs)-free J-PARC H(-) ion-sources. The...

Detecting service chains and feature interactions in sensor-driven home network services.

Sensors (Basel, Switzerland)

Inada T, Igaki H, Ikegami K, Matsumoto S, Nakamura M, Kusumoto S.
PMID: 23012499
Sensors (Basel). 2012;12(7):8447-64. doi: 10.3390/s120708447. Epub 2012 Jun 25.

Sensor-driven services often cause chain reactions, since one service may generate an environmental impact that automatically triggers another service. We first propose a framework that can formalize and detect such service chains based on ECA (event, condition, action) rules....

Coexistence of mutualists and non-mutualists in a dual-lattice model.

Journal of theoretical biology

Ezoe H, Ikegawa Y.
PMID: 23614874
J Theor Biol. 2013 Sep 07;332:1-8. doi: 10.1016/j.jtbi.2013.04.016. Epub 2013 Apr 21.

Evolution and maintenance of mutualism have been one of the major questions in evolutionary ecology, because it is often susceptible of invasion of non-mutualistic strategy. Some previous studies using dual-lattice model suggest that spatial structures of habitat can prevent...

Anomalous temperature dependence of Hall coefficients for (L2/3Ce1/3)4(La1/3Ba1/3Sr1/3)4Cu6Oy (L=Eu, Dy, Y, and Ho).

Physical review. B, Condensed matter

Ichinose A, Ikegawa S, Kaneko T, Kosuge M, Sakurai T, Tanaka S, Wada T, Yaegashi Y, Yamashita T, Yamauchi H.
PMID: 9993609
Phys Rev B Condens Matter. 1990 Jun 01;41(16):11673-11676. doi: 10.1103/physrevb.41.11673.

No abstract available.

A Case of Recurrent Breast Cancer Identified by Pulmonary Tumor Thrombotic Microangiopathy.

Case reports in oncology

Abe T, Fukada I, Shiga T, Morizono H, Ikebata K, Shibayama T, Kobayashi K, Iwase T, Ohno S, Ito Y.
PMID: 28868021
Case Rep Oncol. 2017 Jul 11;10(2):620-626. doi: 10.1159/000477842. eCollection 2017.

Pulmonary tumor thrombotic microangiopathy (PTTM) is a rare, cancer-related, pulmonary complication that causes hypoxia and pulmonary hypertension. We report on a 42-year-old woman who was diagnosed with recurrent breast cancer that was detected due to the presence of PTTM....

Showing 1 to 12 of 379 entries