User profiles for "author:H Imai"

Hiroshi IMAI

Kyoto University
Verified email at kais.kyoto-u.ac.jp
Cited by 6938

[HTML][HTML] Comparative efficacy and acceptability of 21 antidepressant drugs for the acute treatment of adults with major depressive disorder: a systematic review and …

…, M Egger, N Takeshima, Y Hayasaka, H Imai… - The Lancet, 2018 - thelancet.com
Background Major depressive disorder is one of the most common, burdensome, and costly
psychiatric disorders worldwide in adults. Pharmacological and non-pharmacological …

Biological significance of phospholipid hydroperoxide glutathione peroxidase (PHGPx, GPx4) in mammalian cells

H Imai, Y Nakagawa - Free Radical Biology and Medicine, 2003 - Elsevier
Reactive oxygen species (ROS) are known mediators of intracellular signal cascades.
Excessive production of ROS may lead to oxidative stress, loss of cell function, and cell …

Lipid peroxidation-dependent cell death regulated by GPx4 and ferroptosis

H Imai, M Matsuoka, T Kumagai, T Sakamoto… - Apoptotic and Non …, 2017 - Springer
Glutathione peroxidase 4 (Phospholipid hydroperoxide glutathione peroxidase, PHGPx) can
directly reduce phospholipid hydroperoxide. Depletion of GPx4 induces lipid peroxidation …

[HTML][HTML] In vitro and in vivo characterization of new swine-origin H1N1 influenza viruses

…, C Li, S Yamada, K Fujii, S Murakami, H Imai… - Nature, 2009 - nature.com
Influenza A viruses cause recurrent outbreaks at local or global scale with potentially severe
consequences for human health and the global economy. Recently, a new strain of …

Speciation through sensory drive in cichlid fish

…, MV Schneider, ME Maan, H Tachida, H Imai… - Nature, 2008 - nature.com
Theoretically, divergent selection on sensory systems can cause speciation through sensory
drive. However, empirical evidence is rare and incomplete. Here we demonstrate sensory …

Reduced complexity iterative decoding of low-density parity check codes based on belief propagation

…, M Mihaljevic, H Imai - IEEE Transactions on …, 1999 - ieeexplore.ieee.org
Two simplified versions of the belief propagation algorithm for fast iterative decoding of low-
density parity check codes on the additive white Gaussian noise channel are proposed. Both …

A new multilevel coding method using error-correcting codes

H Imai, S Hirakawa - IEEE Transactions on Information Theory, 1977 - ieeexplore.ieee.org
A new multilevel coding method that uses several error-correcting codes is proposed. The
transmission symbols are constructed by combining symbols of codewords of these codes …

On the distribution of the peak-to-average power ratio in OFDM signals

H Ochiai, H Imai - IEEE transactions on communications, 2001 - ieeexplore.ieee.org
The distribution of the peak-to-average power ratio (PAPR) in strictly band-limited
orthogonal frequency-division multiplexing (OFDM) signals is studied. Assuming that the …

Performance analysis of deliberately clipped OFDM signals

H Ochiai, H Imai - IEEE Transactions on communications, 2002 - ieeexplore.ieee.org
We analyze the performance of the clipped orthogonal frequency division multiplexing
(OFDM) system in terms of peak power reduction capability and degradation of channel …

Characteristics of high efficiency dye-sensitized solar cells

…, I Mora-Seró, J Bisquert, T Bessho, H Imai - The Journal of …, 2006 - ACS Publications
Impedance spectroscopy was applied to investigate the characteristics of dye-sensitized
nanostructured TiO2 solar cells (DSC) with high efficiencies of light to electricity conversion …