Press Release

Trans-biobank analysis elucidates the association of polygenic risk scores with human lifespan. 2020:03:24:16:57:48
AbstractWhile polygenic risk scores (PRSs) are poised to be translated into clinical practice through prediction of inborn health risks, a strategy to utilize genetics to prioritize modifiable risk factors driving heath outcome is warranted. To this end, we investigated the assoc...
March 24, 2020
Cryogenic-specific reddish coloration could explain color diversity of outer solar system objects 2020:03:17:9:00:03
AbstructReddish coloration and color diversity among icy bodies in the outer solar system are significant clues for understanding the status and history of the solar system. However, the origin of color distribution remains debatable. Here, we demonstrate reddish coloration that ...
March 17, 2020
Damage-free Metal Electrode Transfer to Monolayer Organic Single Crystalline Thin Films 2020:03:16:9:00:26
AbstructSolution-processed organic thin film transistors (OTFTs) are an essential building block for next-generation printed electronic devices. Organic semiconductors (OSCs) that can spontaneously form a molecular assembly play a vital role in the fabrication of OTFTs. OTFT fabr...
March 16, 2020
Chemical identification of the foremost tip atom in atomic force microscopy 2020:03:13:9:00:35
AbstructChemical identification of individual surface atoms has been achieved by measuring the chemical bonds between tip and surface atoms using atomic force microscopy. On the other hand, the discrimination of chemical species at the tip apex is still a challenging task, even t...
March 13, 2020
Novel electronic nematicity in heavily hole-doped iron pnictides superconductors 2020:03:10:9:00:14
AbstructElectronic nematicity, a correlated state that spontaneously breaks rotational symmetry, is observed in several layered quantum materials. In contrast to their liquid-crystal counterparts, the nematic director cannot usually point in an arbitrary direction (XY nematics), ...
March 10, 2020
fMRI visualization of learning-related hyper neural activity in Alzheimer’s disease mice 2020:03:04:9:00:41
AbstractAlzheimer’s disease (AD), a neurodegenerative disease, causes behavioural abnormalities such as disinhibition, impulsivity, and hyperphagia. Preclinical studies using AD model mice have investigated these phenotypes by measuring brain activity in awake, behaving mice. In ...
March 4, 2020
Thermal structure of the Venusian atmosphere from the sub-cloud region to the mesosphere 2020:02:27:10:45:32
AbstractWe present distributions of the zonal-mean temperature and static stability in the Venusian atmosphere obtained from Venus Express and Akatsuki radio occultation profiles penetrating down to an altitude of 40 km. At latitudes equatorward of 75°, static stability derived f...
February 27, 2020
Charge mobility calculation of organic semiconductors without use of experimental singlecrystal data 2020:02:18:9:28:09
AbstractPrediction of material properties of newly designed molecules is a long-term goal in organic electronics. In general, it is a difficult problem, because the material properties are dominated by the unknown packing structure. We present a practical method to obtain charge ...
February 18, 2020
Essential role of the Crk family-dosage in DiGeorge-like anomaly and metabolic homeostasis 2020:02:12:12:52:07
AbstractCRK and CRKL (CRK-like) encode adapter proteins with similar biochemical properties. Here, we show that a 50% reduction of the family-combined dosage generates developmental defects, including aspects of DiGeorge/del22q11 syndrome in mice. Like the mouse homologs of two 2...
February 12, 2020
High‐Speed Organic Single‐Crystal Transistor Responding to Very High Frequency Band 2020:02:06:9:36:26
AbstractAlthough high carrier mobility organic field‐effect transistors (OFETs) are required for high‐speed device applications, improving the carrier mobility alone does not lead to high‐speed operation. Because the cut‐off frequency is determined predominantly by the total resi...
February 6, 2020
Phase separation organizes the site of autophagosome formation 2020:02:06:9:17:08
AbstractMany biomolecules undergo liquid–liquid phase separation to form liquid-like condensates that mediate diverse cellular functions. Autophagy is able to degrade such condensates using autophagosomes—double-membrane structures that are synthesized de novo at the pre-autophag...
February 6, 2020
GWAS of 165,084 Japanese individuals identified nine loci associated with dietary habits 2020:02:03:14:35:20
AbstractDietary habits are important factors in our lifestyle, and confer both susceptibility to and protection from a variety of human diseases. We performed genome-wide association studies for 13 dietary habits including consumption of alcohol (ever versus never drinkers and dr...
February 3, 2020
Liquidity is a critical determinant for selective autophagy of protein condensates 2020:01:29:12:58:12
SummaryClearance of biomolecular condensates by selective autophagy is thought to play a crucial role in cellular homeostasis. However, the mechanism underlying selective autophagy of condensates and whether liquidity determines a condensate’s susceptibility to degradation by aut...
January 29, 2020
Sub-molecular structural relaxation at a physisorbed interface with monolayer organic semiconductors 2020:01:24:8:58:48
AbstractArranging molecules into highly symmetric, topological crystal structures has been recognized as the best approach to functionalize electronic properties in molecular crystals, where the constituent molecules have been assumed to be rigid in shape. Here, in striking contr...
January 24, 2020
Controlled transformation of skyrmions and antiskyrmions in a non-centrosymmetric magnet 2020:01:21:15:16:08
AbstractControl of topological spin textures in magnetic systems may enable future spintronic applications. Magnetic field pulses can switch the vortex polarity or the winding number of magnetic bubbles. Thermal energy can reverse the helicity of skyrmions and induce the transfor...
January 21, 2020
Reformation of the Electron Internal Transport Barrier with the Appearance of a Magnetic Island 2020:01:09:10:15:34
AbstractWhen realising future fusion reactors, their stationary burning must be maintained and the heat flux to the divertor must be reduced. This essentially requires a stationary internal transport barrier (ITB) plasma with a fast control system. However, the time scale for det...
January 9, 2020
High performance, semiconducting membrane composed of ultrathin, single-crystal organic semiconducto 2019:12:17:15:44:52
AbstractThin film transistors (TFTs) are indispensable building blocks in any electronic device and play vital roles in switching, processing, and transmitting electronic information. TFT fabrication processes inherently require the sequential deposition of metal, semiconductor, ...
December 17, 2019
Integrated exome and RNA sequencing of dedifferentiated liposarcoma 2019:12:13:11:00:50
AbstractThe genomic characteristics of dedifferentiated liposarcoma (DDLPS) that are associated with clinical features remain to be identified. Here, we conduct integrated whole exome and RNA sequencing analysis in 115 DDLPS tumors and perform comparative genomic analysis of well...
December 13, 2019
Detection of Spin Transfer from Metal to Molecule by Magnetoresistance Measurement 2019:12:13:11:00:21
AbstractLocalized electronic spin state in molecules has a relatively long spin lifetime and has thus attracted much attention. In this study, we characterize the magnetoresistance of a system comprising Pt and Fe(II)-phthalocyanine (FePc) molecules. The magnetoresistance measure...
December 13, 2019
Double-parabolic-reflectors acoustic waveguides for high-power medical ultrasound 2019:12:09:10:29:16
AbstractHigh intensity focused ultrasound therapeutics are widely used to noninvasively treat various types of primary tumors and metastasis. However, ultrasound penetration depth is shallowed with increasing frequency which limits the therapeutic accuracy for deep tissues. Altho...
December 9, 2019
Targeting Excessive EZH1 and EZH2 Activities for the Epigenetic Abnormality of Malignant Lymphomas 2019:11:20:9:41:05
Highlights・Lymphoma transcriptome is under control of global H3K27me3 accumulation・EZH1 and EZH2 are druggable targets in EZH2WT/WT and EZH2WT/Mu malignancies・Inactivation of chromatin-associated genes triggers EZH1/2 perturbation・Targeting epigenome for pre-cancerous states is a...
November 20, 2019
Topological charge transport by mobile dielectric-ferroelectric domain walls 2019:11:18:9:30:11
AbstractThe concept of topology has been widely applied in condensed matter physics, leading to the identification of peculiar electronic states on three-dimensional (3D) surfaces or 2D lines separating topologically distinctive regions. In the systems explored so far, the topolo...
November 18, 2019
Scalable Fabrication of Organic Single-Crystalline Wafers for Reproducible TFT Arrays 2019:11:05:9:00:39
AbstractBuilding on significant developments in materials science and printing technologies, organic semiconductors (OSCs) promise an ideal platform for the production of printed electronic circuits. However, whether their unique solution-processing capability can facilitate the ...
November 5, 2019
Neonicotinoids disrupt aquatic food webs and decrease fishery yields 2019:11:01:9:13:50
AbstractInvertebrate declines are widespread in terrestrial ecosystems, and pesticide use is often cited as a causal factor. Here, we report that aquatic systems are threatened by the high toxicity and persistence of neonicotinoid insecticides. These effects cascade to higher tro...
November 1, 2019
Biexciton in one-dimensional Mott insulators 2019:11:01:9:00:42
AbstractMott insulators sometimes show dramatic changes in their electronic states after photoirradiation, as indicated by photoinduced Mott-insulator-to-metal transition. In the photoexcited states of Mott insulators, electron wave functions are more delocalized than in the grou...
November 1, 2019
DEVELOPMENT OF 3rd GENERATION WIRELESS IN-WHEEL MOTOR-First in the World, all components from receiving power to driving are set in the wheel-  A press conference about the development of a 3rd generation wireless in-wheel motor was held in the media hall of the University of Tok...
October 29, 2019
GWAS of mosaic loss of chromosome Y highlights genetic effects on blood cell differentiation 2019:10:18:9:00:14
AbstractMosaic loss of chromosome Y (mLOY) is frequently observed in the leukocytes of ageing men. However, the genetic architecture and biological mechanisms underlying mLOY are not fully understood. In a cohort of 95,380 Japanese men, we identify 50 independent genetic markers ...
October 18, 2019
Characterizing rare and low-frequency height-associated variants in the Japanese population 2019:10:02:14:16:25
AbstractHuman height is a representative phenotype to elucidate genetic architecture. However, the majority of large studies have been performed in European population. To investigate the rare and low-frequency variants associated with height, we construct a reference panel (N = ...
October 2, 2019
New susceptibility loci for prostate cancer identified by genome-wide association study 2019:09:30:17:42:00
Genome-wide association studies (GWAS) have identified ~170 genetic loci associated with prostate cancer (PCa) risk, but most of them were identified in European populations. We here performed a GWAS and replication study using a large Japanese cohort (9,906 cases and 83,943 male...
September 30, 2019
September 30, 2019
Room-Temperature Low-Field Colossal Magnetoresistance in Double-Perovskite Manganite 2019:09:18:16:40:43
S. Yamada, N. Abe, H. Sagayama, K. Ogawa, T. Yamagami, and T. ArimaWe have discovered room-temperature low-field colossal magnetoresistance (CMR) in an A-site ordered NdBaMn2O6 crystal. The resistance changes more than 2 orders of magnitude at a magnetic field lower than 2 T near...
September 18, 2019
September 13, 2019
September 9, 2019
Expansion of JST-Mirai program by three organizations jointly 2019:09:05:15:00:26
Japan Science and Technology Agency announces expanded research and development project to support wireless charging systems for electric vehiclesProgram led by Japan Science and Technology Agency will help contribute to the realization of a low-carbon society through a reduct...
September 5, 2019
Ion exchange discovered in solid-state semiconducting polymers 2019:08:29:10:00:55
Ion exchange discovered in solid-state semiconducting polymers: Dr. Yu Yamashita, Prof. Jun Takeya, Project Associate Professor Shun Watanabe, and other researchers -Department of Advanced Materials Science The research team demonstrated a new strategy for chemical doping of poly...
August 29, 2019
Numerical operations in living cells by programmable RNA devices 2019:08:22:10:00:36
細胞内の複数のマイクロRNAを同時に検知して 細胞を生きたまま精密に分けることに成功 ポイントメッセンジャーRNA(mRNA)注1)を細胞内に導入することで、一度に複数の細胞内マイクロRNA(miRNA)注2)を検知し、生きた細胞で多変量解析注3)を実行することができた。細胞によって発現量が異なる複数のmiRNAを同時に検出することで、細胞の種類や分化段階に応じて細胞を分画することに成功した。 要旨遠藤慧助教(東京大学大学院新領域創成科学研究科)、齊藤博英教授(京都大学CiRA未来生命科学開拓部門)らの研究グループは、人工RNAを細胞に...
August 22, 2019
August 9, 2019
Discovery of New Refractive Phenomena of Light: Difference between Back and Forth 2019:08:02:15:08:10
光の屈折の新現象を発見~往路と帰路で光の経路にずれ~発表者有馬 孝尚(東京大学大学院新領域創成科学研究科物質系専攻 教授)豊田 新悟(研究当時:東京大学大学院新領域創成科学研究科物質系専攻 大学院生現:理化学研究所創発物性科学研究センター 基礎科学特別研究員) 発表のポイント◆メタホウ酸銅(注1)という物質において光の屈折を調べた結果、ある方向から光を入射した場合と逆方向から光を入射した場合で、屈折方向に差が生じることが分かった。◆この光の通る経路が行きと帰りで変化する現象は、今回初めて実験で観測された。◆今回発見された非対称な屈折現象は非常に小さな...
August 2, 2019
July 25, 2019
Detecting novel mobile particles with neutral charge in an insulator 2019:07:02:10:00:02
絶縁体中を動き回る謎の中性粒子を検出―「絶縁体」における「金属」的な熱の伝搬―概要 京都大学大学院理学研究科の佐藤雄貴 博士課程学生、笠原成 同助教、笠原裕一 同准教授、松田祐司 同教授、東京大学大学院新領域創成科学研究科の芝内孝禎 教授、茨城大学理学部の伊賀文俊 教授の研究グループは、米国ミシガン大学、米国ロスアラモス国立研究所と共同で、ある種の絶縁体の内部を動き回る未知の中性粒子を発見しました。物質は電気が流れるか流れないかで金属と絶縁体の二種類に分類され、金属は熱を伝えやすく絶縁体は熱を伝えにくいという性質をもちます。これは金属中で電気...
July 2, 2019
How does a single neural circuit generate multiple behaviors? 2019:06:17:11:19:59
前に行ったり、後ろに行ったり〜 1つの神経回路が異なる動きを効率よく生み出すしくみ 〜 発表者 高坂 洋史(東京大学大学院新領域創成科学研究科 複雑理工学専攻 講師) 能瀬 聡直(東京大学大学院新領域創成科学研究科 複雑理工学専攻 教授) 発表のポイント◆ショウジョウバエ幼虫の脳神経系において、前進運動と後進運動という逆向きの動きを制御する神経回路を発見しました。◆前進運動専用の神経細胞と、後進運動専用の神経細胞が、共通の下流神経細胞を制御することで、回路構造をシンプルに保ったまま異なる運動を生み出す回路のしくみを初めて示しました。◆動物の多様な動...
June 17, 2019
Development of the World’s First ISS-Deployed CubeSat Equipped with a Water Micro-Propulsion System 2019:06:14:11:25:59
水を推進剤とした超小型衛星用エンジン及び実証衛星の開発に成功~ 世界初「国際宇宙ステーションからの水推進エンジンを搭載した超小型衛星の宇宙への放出」の実現へ ~ 発表者小泉 宏之(東京大学 大学院新領域創成科学研究科 先端エネルギー工学専攻/工学系研究科航空宇宙工学専攻(兼担) 准教授)浅川  純(東京大学 大学院新領域創成科学研究科 先端エネルギー工学専攻 特任助教) 発表のポイント◆水を推進剤とした超小型衛星用エンジン及び実証衛星の開発に成功し、打上げへのめどが立った。◆本研究成果により、世界初の「国際宇宙ステーションからの水推進エンジンを搭載した超...
June 14, 2019
Experimental realization of a semiconducting quasicrystalline approximant in Al-Si-Ru by band engine 2019:06:11:16:07:06
アルミ系近似結晶で半導体を創製 ―固体物理学の基本的問題の解決と高性能熱電材料開発への突破口―
June 11, 2019
Discovery of doublon-holon pairing mechanism originating from antiferromagnetic interaction 2019:06:10:10:00:53
         反強磁性交換相互作用に起因するダブロン―ホロン間引力の発見~テラヘルツパルスを用いたモット絶縁体の電場効果の精密測定と理論解析~ 発表者寺重  翼(研究当時:産業技術総合研究所 産総研・東大先端オペランド計測技術オープンイノベーションラボラトリ有機デバイス分光チーム 産総研特      別研究員/東京大学大学院新領域創成科学研究科物質系専攻 客員研究員(現:株式会社キーエンス))宮本 辰也(東京大学大学院新領域創成科学研究科物質系専攻 助教)貴田 徳明(東京大学大学院新領域創成科学研究科物質系専攻 准教授)伊藤 利充(産業技術総合研究所...
June 10, 2019
New mechanism allows lower energy requirement for OLED displays 2019:06:06:14:26:26
有機ELの新たな発光機構を発見-三重項励起子を低電圧で選択的に形成- 理化学研究所(理研)開拓研究本部Kim表面界面科学研究室の木村謙介実習生(東京大学大学院新領域創成科学研究科物質系専攻博士課程3年、日本学術振興会特別研究員)、三輪邦之客員研究員、今田裕研究員、金有洙主任研究員らの国際共同研究グループ※は、有機エレクトロルミネッセンス(有機EL)デバイスにおいて重要な役割を担う三重項励起子[1]を低電圧で選択的に形成する新たな機構を発見しました。 本研究成果は、有機ELデバイスのエネルギー効率の向上や、発光材料の選択肢を広げること...
June 6, 2019
C.elegans was alive even below freezing -New low temperature storage- 2019:05:16:9:46:28
C. elegans was alive even below freezing !!-New low temperature storage and expectation for normal temperature storage- publisher:Nature ”Scientific Reports” DOI: 10.1038/s41598-019-42650-8author:Masahiro Kuramochi1,2, Sakae Tsuda2, and Yuji C. Sasaki1,2(Corresponding author: M. ...
May 16, 2019
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