Press Release

Title
Date
Imaging switchable magnetoelectric quadrupole domains via nonreciprocal linear dichroism 2020:07:09:18:00:45
AbstractParity-odd magnetoelectric multipoles such as magnetic quadrupoles and toroidal dipoles contribute to various symmetry-dependent magnetic phenomena and formation of exotic ordered phases. However, the observation of domain structures emerging due to symmetry breaking caus...
 
July 9, 2020
Chromosomal alterations among age-related haematopoietic clones in Japan 2020:06:25:9:42:20
AbstractThe extent to which the biology of oncogenesis and ageing are shaped by factors that distinguish human populations is unknown. Haematopoietic clones with acquired mutations become common with advancing age and can lead to blood cancers1,2,3,4,5,6,7,8,9,10. Here we describ...
 
June 25, 2020
Motion tracking of 80-nm-size skyrmions upon directional current injections 2020:06:18:16:38:19
AbstractNanometer-scale skyrmions are prospective candidates for information bits in low–power consumption devices owing to their topological nature and controllability with low current density. Studies on skyrmion dynamics in different classes of materials have exploited the top...
 
June 18, 2020
Large-scale genome-wide association study across different diseases in a Japanese population 2020:06:09:9:52:06
AbstractThe overwhelming majority of participants in current genetic studies are of European ancestry. To elucidate disease biology in the East Asian population, we conducted a genome-wide association study (GWAS) with 212,453 Japanese individuals across 42 diseases. We detected ...
 
June 9, 2020
SADA for high-throughput sorting of large-volume biological compartments 2020:05:30:12:40:32
AbstractDroplet microfluidics has become a powerful tool in precision medicine, green biotechnology, and cell therapy for single-cell analysis and selection by virtue of its ability to effectively confine cells. However, there remains a fundamental trade-off between droplet volum...
 
May 30, 2020
Magnetochiral Dichroism in a Collinear Antiferromagnet with No Magnetization 2020:05:28:13:23:29
AbstractWe show the directional dichroism in a collinear antiferromagnet MnTiO3. The dichroism between two distinctive antiferromagnetic states with opposite signs of staggered magnetic moments can be regarded as magnetochiral dichroism in the absence of external fields. Electric...
 
May 28, 2020
Nanometric square skyrmion lattice in a centrosymmetric tetragonal magnet 2020:05:19:13:55:37
AbstractMagnetic skyrmions are topologically stable spin swirls with a particle-like character and are potentially suitable for the design of high-density information bits. Although most known skyrmion systems arise in non-centrosymmetric systems with a Dzyaloshinskii–Moriya inte...
 
May 19, 2020
Robust, High-Performance n-Type Organic Semiconductors 2020:05:02:9:00:30
AbstractOrganic semiconductors (OSCs) are important active materials for the fabrication of next-generation organic-based electronics. However, the development of n-type OSCs lags behind that of p-type OSCs in terms of charge-carrier mobility and environmental stability. This is ...
 
May 2, 2020
Prevalence of pathogenic germline variants with early-onset colorectal, breast, and prostate cancer 2020:04:09:14:00:38
AbstractPUPOSEWe investigated the prevalence and spectrum of pathogenic germline variants in patients with early-onset colorectal cancer (CRC), breast cancer (BC), and prostate cancer (PCA) in the Japanese population. We also identified pathogenic variants in other cancer risk ge...
 
April 9, 2020
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 2019:10:29:13:26:01
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

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