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論文

Laser-driven neutron generation realizing single-shot resonance spectroscopy

余語 覚文*; Lan, Z.*; 有川 安信*; 安部 勇輝*; Mirfayzi, S. R.*; Wei, T.*; 森 隆人*; Golovin, D.*; 早川 岳人*; 岩田 夏弥*; et al.

Physical Review X, 13(1), p.011011_1 - 011011_12, 2023/01

 被引用回数:3 パーセンタイル:88.42(Physics, Multidisciplinary)

Neutrons are powerful tools for investigating the structure and properties of materials used in science and technology. Recently, laser-driven neutron sources (LDNS) have attracted the attention of different communities, from science to industry, in a variety of applications, including radiography, spectroscopy, security, and medicine. However, the laser-driven ion acceleration mechanism for neutron generation and for establishing the scaling law on the neutron yield is essential to improve the feasibility of LDNS. In this paper, we report the mechanism that accelerates ions with spectra suitable for neutron generation. We show that the neutron yield increases with the fourth power of the laser intensity, resulting in the neutron generation of $$3times10^{11}$$ in $$4pi$$ at a maximum, with $$1.1times10^{19}$$ Wcm$$^{-2}$$, 900 J, 1.5 ps lasers. By installing a "hand-size" moderator, which is specially designed for the LDNS, it is demonstrated that the efficient generation of epithermal (0.1-100 eV) neutrons enables the single-shot analysis of composite materials by neutron resonance transmission analysis (NRTA). We achieve the energy resolution of 2.3% for 5.19-eV neutrons 1.8 m downstream of the LDNS. This leads to the analysis of elements and isotopes within sub-$$mu$$s times and allows for high-speed nondestructive inspection.

論文

Evaluation of high-energy delayed gamma-ray spectra dependence on interrogation timing patterns

Rodriguez, D.; Bogucarska, T.*; 小泉 光生; Lee, H.-J.; Pedersen, B.*; Rossi, F.; 高橋 時音; Varasano, G.*

Nuclear Instruments and Methods in Physics Research A, 997, p.165146_1 - 165146_13, 2021/05

 被引用回数:2 パーセンタイル:18.91(Instruments & Instrumentation)

Under the MEXT subsidy to strengthen nuclear security related research, the ISCN is developing delayed gamma-ray spectroscopy (DGS) for nuclear safeguards. Here we present results from experiments using the PUNITA instrument in collaboration with JRC-Ispra to evaluate the gamma-ray spectral dependence on interrogation time patterns and number of cycles. Specifically, we investigated the observable gamma rays useful to quantify the $$^{239}$$Pu and $$^{235}$$U contributions. Of the time patterns tested in this study, we determined that irradiating the sample for 60-$$s$$ followed by a gamma-ray measurement of 60-$$s$$ was the best for a comparable one-hour total interrogation time.

論文

Morphological reproductive characteristics of testes and fertilization capacity of cryopreserved sperm after the Fukushima accident in raccoon (${it Procyon lotor}$)

小松 一樹*; 岩崎 亜美*; 村田 康輔*; 山城 秀昭*; Goh, V. S. T.*; 中山 亮*; 藤嶋 洋平*; 小野 拓実*; 木野 康志*; 清水 良央*; et al.

Reproduction in Domestic Animals, 56(3), p.484 - 497, 2021/03

 被引用回数:9 パーセンタイル:87.04(Agriculture, Dairy & Animal Science)

福島第一原子力発電所事故後、野生アライグマは長期的な低線量率被ばくを受けた。捕獲したオスの野生アライグマの精巣の形態的特徴と、凍結保存精子の体外受精能力を調べたところ、長期的・低線量率被ばくはアライグマの生殖特性および機能に悪影響を及ぼしていないことがわかった。

論文

JAEA-JRC collaborative development of delayed gamma-ray spectroscopy for nuclear material evaluation, 3; Fissile mass estimation with uranium samples

Rossi, F.; 小泉 光生; Lee, H.-J.; Rodriguez, D.; 高橋 時音; Abbas, K.*; Bogucarska, T.*; Crochemore, J.-M.*; Pedersen, B.*; Varasano, G.*

61st Annual Meeting of the Institute of Nuclear Materials Management (INMM 2020), Vol.2, p.907 - 911, 2021/00

Delayed Gamma-ray Spectroscopy (DGS) is a nondestructive assay technique with the capability to quantify the fissile composition of small nuclear material samples from reprocessing plants. In recent years, the Japan Atomic Energy Agency in collaboration with the Joint Research Centre performed several experiments using uranium and plutonium standard samples. In this paper, we present some of our recent experiment results showing the feasibility of DGS for fissile mass estimation. In particular, we interrogate uranium samples of different enrichment and we are showing that we were able to qualify significant peaks even for a depleted uranium sample above 2.7 MeV. Applying correction factors for neutron self-shielding and gamma self-absorption, we obtained a mass linear correlation when considering total integrated counts above 3.3 MeV as well as specific individual peak counts. This work is supported by the Japanese Ministry of Education, Culture, Sports, Science, and Technology (MEXT) under the subsidy for the "promotion for strengthening nuclear security and the like". This work was done under the agreement between JAEA and EURATOM in the field of nuclear material safeguards research and development.

論文

Correlating the fissile mass of standard uranium samples with delayed gamma rays from fission products

Rossi, F.; Bogucarska, T.*; 小泉 光生; Lee, H.-J.; Pedersen, B.*; Rodriguez, D.; 高橋 時音; Varasano, G.*

Nuclear Instruments and Methods in Physics Research A, 977, p.164306_1 - 164306_7, 2020/10

 被引用回数:4 パーセンタイル:36.4(Instruments & Instrumentation)

The Japan Atomic Energy Agency and the European Commission Joint Research Centre are collaborating to develop delayed gamma-ray spectroscopy (DGS) for nuclear materials for safeguards verification in reprocessing plants. In this paper, we describe DGS interrogation using the Pulsed Neutron Interrogation Test Assembly with standard samples of different $$^{235}$$U enrichments. By analyzing gamma-ray spectra, we reveal a linear correlation between the sample mass and both the total counts above 3.3 MeV and the peak counts of specific high-energy gamma-ray. We were able to observe, qualify and quantify specific gamma rays peak down to the depleted uranium (0.5 g$$^{235}$$U) mass sample. Based on this, we demonstrate that our technique is able to estimate the total fissile mass with a statistical uncertainty $$<$$2% when taking into account self-shielding and gamma self-absorption corrections. Using integrated counts above 3.3 MeV we were able to reduce the mass-dependent bias for the higher enrichments ($$sim$$3 to 4%) to 4%. This work is supported by the Japanese Ministry of Education, Culture, Sports, Science, and Technology (MEXT) under the subsidiary for the "promotion for strengthening nuclear security and the like". This work was done under the agreement between JAEA and EURATOM in the field of nuclear materials safeguards research and development.

論文

Utilizing PUNITA experiments to evaluate fundamental delayed gamma-ray spectroscopy interrogation requirements for nuclear safeguards

Rodriguez, D.; 小泉 光生; Rossi, F.; 瀬谷 道夫; 高橋 時音; Bogucarska, T.*; Crochemore, J.-M.*; Pedersen, B.*; 高峰 潤

Journal of Nuclear Science and Technology, 57(8), p.975 - 988, 2020/08

 被引用回数:4 パーセンタイル:35.51(Nuclear Science & Technology)

Present safeguards verification methods of high-radioactivity nuclear material use destructive analysis techniques since passive nondestructive techniques are incapable of determining the nuclear material content. To improve this verification process, the JAEA and EC-JRC Ispra, Italy have been collaborating to develop delayed gamma-ray spectroscopy for composition analysis of the fissile nuclides as an aspect of the MEXT subsidy for improving nuclear security and the like. Multiple experiments were performed over three years using PUNITA to interrogate U and Pu samples to determine the signature from the short-lived fission products. We observed many gamma rays useful to determine the composition of a mixed nuclear material sample. Presented here are the results of these measurements with correlations to the interrogation, mass, volume, and sample homogeneity.

論文

$$omega N$$ scattering length from $$omega$$ photoproduction on the proton near the reaction threshold

石川 貴嗣*; 藤村 寿子*; 深澤 宏司*; 橋本 亮*; He, Q.*; 本多 佑記*; 保坂 淳; 岩田 高広*; 甲斐田 俊*; 笠木 治郎太*; et al.

Physical Review C, 101(5), p.052201_1 - 052201_6, 2020/05

 被引用回数:4 パーセンタイル:45.12(Physics, Nuclear)

Photoproduction of the omega meson on the proton has been experimentally studied near the threshold. The total cross sections are determined at incident energies ranging from 1.09 to 1.15 GeV. The 1/2 and 3/2 spin-averaged scattering length $$a$$$$_{omega p}$$ and effective range $$r$$$$_{omega p}$$ between the CO meson and proton are estimated from the shape of the total cross section as a function of the incident photon energy: $$a$$$$_{omega p}$$ = (-0.97 $$_{rm -0.16stat-0.00syst}^{rm +0.16stat+0.03syst}$$ + $$i$$(0.07 $$_{rm -0.14stat-0.09syst}^{rm +0.15stat+0.17syst}$$) fm and $$r$$$$_{omega p}$$ = (+2.78 $$_{rm -0.54stat-0.12syst}^{rm +0.67stat+0.11syst}$$) + $$i$$(-0.01 $$_{rm -0.50stat-0.00syst}^{rm +0.46stat+0.06syst}$$) fm, resulting in a repulsive force. The real and imaginary parts for $$a$$$$_{omega p}$$ and $$r$$$$_{omega p}$$ are determined separately for the first time. A small $$P$$-wave contribution does not affect the obtained values.

論文

Development of delayed gamma-ray spectroscopy for nuclear material analysis

Rodriguez, D.; Rossi, F.; 高橋 時音; 瀬谷 道夫; 小泉 光生; Crochemore, J. M.*; Varasano, G.*; Bogucarska, T.*; Abbas, K.*; Pedersen, B.*

Proceedings of INMM 59th Annual Meeting (Internet), 7 Pages, 2018/07

DGS has great potential for HRNM, since it determines fissile nuclide compositions by correlating the observed DG spectrum to the unique FY of the individual nuclides. Experiments were performed with LRNM using both PUNITA and a JAEA designed Cf-shuffler tested in PERLA. The data was analyzed using an inverse MC method that both determines DG peak intensity correlations and provides an evaluation of the uncertainty of the measurements. The results were used to verify DG signatures for varying fissile compositions, total fissile content, and DGS interrogation timing patterns. Future development will focus on measuring HRNM and designing a compact system by evaluating different neutron sources, moderating materials, and detection capabilities. This presentation summarizes the JAEA/JRC DGS program to date and the future direction of this collaborative work performed using the MEXT subsidy for the promotion of strengthening nuclear security.

論文

Reaction rate analyses of accelerator-driven system experiments with 100 MeV protons at Kyoto University Critical Assembly

Pyeon, C. H.*; Vu, T. M.*; 山中 正朗*; 菅原 隆徳; 岩元 大樹; 西原 健司; Kim, S. H.*; 高橋 佳之*; 中島 健*; 辻本 和文

Journal of Nuclear Science and Technology, 55(2), p.190 - 198, 2018/02

 被引用回数:16 パーセンタイル:85.18(Nuclear Science & Technology)

京都大学臨界集合体において、100MeV陽子と鉛ビスマスを組み合わせた核破砕中性子による加速器駆動システム(ADS)の反応率測定実験を行っている。反応率測定は、箔放射化法を用いた。解析にはMCNP6.1を用い、核データとして高エネルギー粒子輸送にはJENDL/HE-2007、中性子輸送にはJENDL-4.0、反応率にはJENDL/D-99を用いた。実験と解析の結果から、未臨界度に依存した反応率が明らかとなった。一方で、固定源計算における高エネルギー領域の反応率の精度については課題が残ることがわかった。

論文

Theory of spin Hall magnetoresistance (SMR) and related phenomena

Chen, Y.-T.*; 高橋 三郎*; 中山 裕康*; Althammer, M.*; Goennenwein, S. T. B.*; 齊藤 英治; Bauer, G. E. W.*

Journal of Physics; Condensed Matter, 28(10), p.103004_1 - 103004_15, 2016/03

 被引用回数:81 パーセンタイル:61.66(Physics, Condensed Matter)

スピンホール効果によってスピン流が発生する金属と磁性絶縁体との二重層におけるいわゆるスピンホール磁気抵抗(SMR)を概観する。関連する角運動量が強磁性層に伝達され、それにより電気抵抗が印加電流と磁化方向との間の角度によって変調される。SMRは、絶縁体の磁化方向とスピン伝達トルクを非侵入的に測定するための便利なツールを提供する。SMR、すなわちスピン拡散理論および量子力学的境界条件を計算するための最小の理論的手段を紹介する。これは、実験に適合させることができる少数のパラメータを導出する。理論の限界と、強磁性近接効果やRashbaスピン軌道トルクなどの代替メカニズムについて議論し、新しい展開を指摘する。

論文

Cosmic-ray test of a time-of-flight detector for double-strangeness experiments at J-PARC

Kim, S. H.*; Hwang, S.; Ahn, J. K.*; 江川 弘行; 早川 修平; Hong, B.*; 細見 健二; 今井 憲一; Kim, M. H.*; Lee, J. Y.*; et al.

Nuclear Instruments and Methods in Physics Research A, 795, p.39 - 44, 2015/09

 被引用回数:4 パーセンタイル:33.25(Instruments & Instrumentation)

We have developed a time-of-flight (ToF) array consisting of 24 plastic scintillators for triggering and timing measurements in a series of planned experiments to study double-strangeness hadronic and nuclear systems at the K1.8 beamline of J-PARC. Each ToF scintillator is 180 cm long with a cross-section of 8$$times$$3 cm$$^{2}$$ and is read out by H1949-50 photomultiplier tubes at both ends. The timing and attenuation properties of the scintillators are measured using cosmic-ray muons and $$beta$$ rays from $$^{90} {rm Sr}$$. The cosmic-ray muon events are triggered by three pairs of 120-cm-long plastic scintillators, sandwiching the ToF array. The intrinsic time resolutions of the scintillators are estimated to be in the range 60-100 ps, which is adequate for reliable separation between $$pi$$ and $$K$$ at 1.2 GeV/$$c$$. The attenuation length is measured to be approximately 210 cm, which is half that for a bulk scintillator.

論文

Draft genome sequence of ${it Bacillus alcalophilus}$ AV1934, a classic alkaliphile isolated from human feces in 1934

Attie, O.*; Jayaprakash, A.*; Shah, H.*; Paulsen, I. T.*; 守野 正人*; 高橋 優嘉*; 鳴海 一成*; Sachidanandam, R.*; 佐藤 勝也; 伊藤 政博*; et al.

Genome Announcements (Internet), 2(6), p.e01175-14_1 - e01175-14_2, 2014/11

The alkaliphilic bacterium ${it Bacillus alcalophilus}$ AV1934, isolated from human feces, recent has indicated novel potassium ion coupling to motility in this extremophile. We report draft sequences that will facilitate an examination of whether that coupling is part of a larger cycle of potassium ion-coupled transporters. This draft genome has 4,095 predicted genes and 4,063 predicted proteins. The whole-genome shotgun project has been deposited in Genbank under the accession no. ALPT02000000. In addition to the ${it mot}$ genes encoding the MotPS channel that uses either potassium or sodium coupling, two loci encoding multisubunit Mrp-type antiporters, were found. The ${it B. alcalophilus}$ AV1934 genome reveals no tripartite ATP-independent (TRAP-T family) uptake systems, a major sodium-coupled complement in the other two alkaliphiles. The ${it B. alcalophilus}$ AV1934 genomic data will enable us to test the hypothesis of a major role of potassium in ion coupling in this extremophile.

論文

Development of a GEM-TPC for H-dibaryon search experiment at J-PARC

佐甲 博之; Ahn, J. K.*; Baek, K. H.*; Bassalleck, B.*; Fujioka, H.*; Guo, L.*; 長谷川 勝一; Hicks, K.*; Honda, R.*; Hwang, S. H.*; et al.

Journal of Instrumentation (Internet), 9(4), p.C04009_1 - C04009_10, 2014/04

 被引用回数:3 パーセンタイル:16.04(Instruments & Instrumentation)

($$K^+$$,$$K^-$$)反応によるHダイバリオン探索実験(J-PARC E42)のためのTPCの開発を行っている。TPCにおいてHが2個の$$pi^{-}$$と2個の$$p$$に崩壊する事象を測定する。TPCのドリフト体積は50cm直径、55cmドリフト長を持つ8角柱構造をしておりAr-CH$$_4$$ガスを使用する。増幅部には3層のGEMを使用する。荷電粒子の運動量測定のためTPCにはドリフト電場と平行に鉛直方向の1Tの双極磁場を超伝導ヘルムホルツ型磁石によりかける。H崩壊のアクセプタンスを最大にするためダイアモンド標的がTPC内部の筒状の穴に設置される。さらに、超高レートの$$K^-$$ビームをTPCに直接照射するため陽イオンフィードバックを極力抑制必要がある。このためTPCにGEMとgating gridを採用した。

報告書

超伝導転移端マイクロカロリメータによる燃料デブリの核種分析に係る研究; 高分解能測定実験及びシミュレーション計算(共同研究)

高崎 浩司; 安宗 貴志; 大西 貴士; 中村 圭佑; 石見 明洋; 伊藤 主税; 逢坂 正彦; 大野 雅史*; 畠山 修一*; 高橋 浩之*; et al.

JAEA-Research 2013-043, 33 Pages, 2014/01

JAEA-Research-2013-043.pdf:13.81MB

福島第一原子力発電所の事故において、炉内燃料は部分的又は全体的に溶融していると見られており、燃料集合体を1単位とする通常の計量管理手法の適用は困難と考えられている。このため、廃炉措置において炉内燃料の取出から貯蔵を行うまでの透明性を確保し、かつ合理的に計量管理を実施できる手法を構築する必要がある。本研究開発では、計量管理のための燃料定量の技術の1つとして、従来のゲルマニウム半導体検出器に比べ優れたエネルギー分解能を有する超伝導転移端(TES)マイクロカロリーメーターを適用した燃料デブリ中の核燃料物質及び核分裂生成等の分析手法の適用を検討する。高分解能分析での特性を活用し、燃料デブリ中の核燃料物質及び核分裂生成物のスペクトルに係る詳細な情報が期待できる。本報告書では、TES検出器の原理、日本原子力研究開発機構での測定試験の状況、シミュレーション計算コードEGS5による実験データの解析及び燃料デブリの収納キャニスタの高分解能測定のシミュレーション計算について報告する。

論文

Theory of spin Hall magnetoresistance

Chen, Y.-T.*; 高橋 三郎*; 中山 裕康*; Althammer, M.*; Goennenwein, S. T. B.*; 齊藤 英治; Bauer, G. E. W.*

Physical Review B, 87(14), p.144411_1 - 144411_9, 2013/04

 被引用回数:614 パーセンタイル:99.7(Materials Science, Multidisciplinary)

Ptを代表とするスピン軌道相互作用を持つ常磁性層と、イットリウム鉄ガーネットのような強磁性絶縁体からなる複合膜におけるスピンHall磁気抵抗効果についての理論を提案した。スピンHall磁気抵抗効果はスピンHall効果と逆スピンHall効果によって起きる非平衡な界面磁化に起因している。強磁性/常磁性2層膜および強磁性/常磁性/強磁性3層膜におけるスピンHall磁気抵抗効果を計算し、2層膜の計算がスピンHall磁気抵抗効果の実験結果を説明できること、3層膜では磁化が平行配置になることでスピンHall磁気抵抗効果の強度が増強されることが分かった。特に、3層膜におけるスピンHall磁気抵抗効果とスピン移行トルクが磁化配置によって制御可能であることが示された。

論文

Monte Carlo modelling for the ${it in vivo}$ lung monitoring of enriched uranium; Results of an international comparison

Broggio, D.*; Bento, J.*; Caldeira, M.*; Cardenas-Mendez, E.*; Farah, J.*; Fonseca, T.*; Konvalinka, C.*; Liu, L.*; Perez, B.*; Capello, K.*; et al.

Radiation Measurements, 47(7), p.492 - 500, 2012/07

 被引用回数:23 パーセンタイル:84.01(Nuclear Science & Technology)

In order to assess the reliability of Monte-Carlo (MC) based numerical calibration of ${it in vivo}$ counting systems, and in order to provide training for this issue, particularly the use of voxel phantoms, the EURADOS network supported a comparison of MC simulation results of well defined experiments. ${it In vivo}$ measurements of enriched uranium in a thoracic phantom have been carried out and the needed information to simulate these measurements was distributed to participants. About half of the participants managed to simulate the measured counting efficiency without support from the organizers. Following additional support all participants managed to simulate the counting efficiencies within a typical agreement with experiment of $$pm$$5%.

論文

Electrically tunable spin injector free from the impedance mismatch problem

安藤 和也*; 高橋 三郎; 家田 淳一; 紅林 秀和*; Trypiniotis, T.*; Barnes, C. H. W.*; 前川 禎通; 齊藤 英治

Nature Materials, 10(9), p.655 - 659, 2011/09

 被引用回数:249 パーセンタイル:98.67(Chemistry, Physical)

Injection of spin currents into solids is crucial for exploring spin physics and spintronics. There has been significant progress in recent years in spin injection into high-resistivity materials, for example, semiconductors and organic materials, which uses tunnel barriers to circumvent the impedance mismatch; the impedance mismatch between ferromagnetic metals and high-resistivity materials drastically limits the spin-injection efficiency. However, because of this problem, there is no route for spin injection into these materials through low-resistivity interfaces, that is, Ohmic contacts, even though this promises an easy and versatile pathway for spin injection without the need for growing high-quality tunnel barriers. Here we show experimental evidence that spin pumping enables spin injection free from this condition; room-temperature spin injection into GaAs from Ni$$_{81}$$Fe$$_{19}$$ through an Ohmic contact is demonstrated through dynamical spin exchange. Furthermore, we demonstrate that this exchange can be controlled electrically by applying a bias voltage across a Ni$$_{81}$$Fe$$_{19}$$/GaAs interface, enabling electric tuning of the spin-pumping efficiency.

論文

Progress on the heating and current drive systems for ITER

Jacquinot, J.*; Albajar, F.*; Beaumont, B.*; Becoulet, A.*; Bonicelli, T.*; Bora, D.*; Campbell, D.*; Chakraborty, A.*; Darbos, C.*; Decamps, H.*; et al.

Fusion Engineering and Design, 84(2-6), p.125 - 130, 2009/06

 被引用回数:24 パーセンタイル:82.29(Nuclear Science & Technology)

ITER用電子サイクロトロン波(EC),イオンサイクロトロン波(IC),中性ビーム(NB)、そして低域混成波(LH)について、その物理と工学の両面の進展を2007/2008年にレビューした。全体仕様の変更はないものの、以下のような設計変更があった。第一に、DTフェーズの前に全パワーである73MW入射をルーティンに入射可能となるように調整すべきこと。第二に、NBを水素フェーズにもフルパワー入射が可能となるように対向壁を用意する、IC用によりロバスト名アンテナ2式を用意する、またECには2MW容量の伝送系を用意して、増力を容易にする。さらにRF源と計測及び加熱用ポートプラグの試験施設となる付属建屋を用意する。第三に、LHのようにITERの長パルス運転時に適した電流駆動システムを開発するための計画の必要性が認識された。

論文

Polymer electrolyte membranes having sulfoalkyl grafts into ETFE film prepared by radiation-induced copolymerization of methyl acrylate and methyl methacrylate

Hanh, T. T.*; 高橋 周一; Chen, J.; 澤田 真一; 前川 康成

Journal of Applied Polymer Science, 114(1), p.231 - 237, 2009/06

 被引用回数:6 パーセンタイル:21.63(Polymer Science)

燃料電池用電解質膜の高温作動時の耐久性向上を目的に、アクリル酸メチルとメタクリル酸メチルの放射線共重合によるアルキルスルホン酸グラフト鎖からなる電解質膜の合成を試みた。アクリル酸メチルを33-79%含むグラフト膜をクロロスルホン酸とジオキサンの当量錯体で処理することでイオン交換容量が0.36-0.81mmol/gで導電率が0.04-0.065S/cmを示す電解質膜が合成できた。これらの値はアクリル酸メチルの含量により制御できた。得られた電解質膜は、分解の引き金となるカルボニルの$$alpha$$水素を含まないメタクリル酸メチルの効果により、高い熱水耐性と耐酸化性を示すことが確認できた。

論文

The H-Invitational Database (H-InvDB); A Comprehensive annotation resource for human genes and transcripts

山崎 千里*; 村上 勝彦*; 藤井 康之*; 佐藤 慶治*; 原田 えりみ*; 武田 淳一*; 谷家 貴之*; 坂手 龍一*; 喜久川 真吾*; 嶋田 誠*; et al.

Nucleic Acids Research, 36(Database), p.D793 - D799, 2008/01

 被引用回数:51 パーセンタイル:71.25(Biochemistry & Molecular Biology)

ヒトゲノム解析のために、転写産物データベースを構築した。34057個のタンパク質コード領域と、642個のタンパク質をコードしていないRNAを見いだすことができた。

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