A new source of the midlatitude ionospheric peak density structure revealed by a new Ionosphere‐Plasmasphere model

N Maruyama, YY Sun, PG Richards… - Geophysical …, 2016 - Wiley Online Library
The newly developed Ionosphere‐Plasmasphere (IP) model has revealed neutral winds as
a primary source of the “third‐peak” density structure in the daytime global ionosphere that …

Modeling storm-time electrodynamics of the low-latitude ionosphere–thermosphere system: Can long lasting disturbance electric fields be accounted for?

N Maruyama, S Sazykin, RW Spiro, D Anderson… - Journal of atmospheric …, 2007 - Elsevier
Storm-time ionospheric disturbance electric fields are studied for two large geomagnetic
storms, March 31, 2001 and April 17–18, 2002, by comparing low-latitude observations of …

Field‐aligned neutral wind bias correction scheme for global ionospheric modeling at midlatitudes by assimilating FORMOSAT‐3/COSMIC hmF2 data under …

YY Sun, T Matsuo, N Maruyama… - Journal of Geophysical …, 2015 - Wiley Online Library
This study demonstrates the usage of a data assimilation procedure, which ingests the
FORMOSAT‐3/COSMIC (F3/C) h m F 2 observations to correct the model wind biases to enhance …

Clinicopathologic Analysis of Breast Cancers with PIK3CA Mutations in Japanese Women

N Maruyama, Y Miyoshi, T Taguchi… - Clinical cancer …, 2007 - aacrjournals.org
Purpose: Somatic mutations of PIK3CA, which encodes the p110α catalytic subunit of
phosphatidylinositol 3-kinase, have recently been shown to play an important role in the …

PIK3CA mutations in serum DNA are predictive of recurrence in primary breast cancer patients

…, M Shimoda, A Shimomura, N Maruyama… - Breast cancer research …, 2015 - Springer
We attempted to develop a highly sensitive and specific method for the detection of circulating
tumor DNA (ctDNA) using a digital PCR (dPCR) assay for PIK3CA mutations (ie, H1047R, …

GSTP 1 expression predicts poor pathological complete response to neoadjuvant chemotherapy in ER‐negative breast cancer

…, K Shimazu, A Shimomura, N Maruyama… - Cancer …, 2012 - Wiley Online Library
The purpose of the present study was to investigate the association of glutathione S ‐transferase
P 1 ( GSTP 1) expression with resistance to neoadjuvant paclitaxel followed by 5‐…

Penetration electric fields: Efficiency and characteristic time scale

CS Huang, S Sazykin, JL Chau, N Maruyama… - Journal of Atmospheric …, 2007 - Elsevier
Penetration of the interplanetary electric field (IEF) to the middle- and low-latitude ionosphere
has been investigated for nearly four decades. Most previous studies focused on the …

A real‐time run of the Coupled Thermosphere Ionosphere Plasmasphere Electrodynamics (CTIPe) model

…, N Jakowsky, H Khalsa, T Matsuo, N Maruyama - Space …, 2012 - Wiley Online Library
The availability of unprecedented amounts of real‐time data from Global Navigation
Satellite Systems and ionosondes coupled with new and more stringent requirements for …

Intratumoral regulatory T cells as an independent predictive factor for pathological complete response to neoadjuvant paclitaxel followed by 5-FU/epirubicin …

…, M Shimoda, N Kagara, N Maruyama… - Breast cancer research …, 2012 - Springer
Anti-tumor immunity is thought to play a significant role in chemotherapeutic response of
breast tumors. In the present study, we investigated whether tumor infiltrating FOXP3+ …

Longitudinal and day‐to‐day variability in the ionosphere from lower atmosphere tidal forcing

…, T Fuller‐Rowell, F Wu, N Maruyama… - Geophysical …, 2013 - Wiley Online Library
Simulations with the global ionosphere plasmasphere model driven by whole atmosphere
model winds show significant longitudinal and day‐to‐day variations in the ionospheric …