Deformability-Based Microfluidic Microdroplet Screening to Obtain Agarolytic Bacterial Cells.
Mikihisa Muta, Wataru Kawakubo, Dong Hyun Yoon, Daiki Tanaka, Tetsushi Sekiguchi, Shuichi Shoji, Mei Ito, Yuji Hatada, Takashi Funatsu, Ryo Iizuka.
Anal Chem. 95: 16107-16114 (2023). doi:
10.1021/acs.analchem.3c02174
Time-Dependent Cell-State Selection identifies transiently expressed genesregulating ILC2 activation.
Yumiko Tanaka, Mai Yamagishi, Yasutaka Motomura, Takashi Kamatani, Yusuke Oguchi, Nobutake Suzuki, Tsuyoshi Kiniwa, Hiroki Kabata, Tatsuhiko Tsunoda, Fuyuki Miya, Keisuke Goda, Osamu Ohara, Takashi Funatsu, Koichi Fukunaga, Kazuyo Moro, Sotaro Uemura, Yoshitaka Shirasaki.
Commun Biol. 6(1): 915. (2023). doi:
10.1038/s42003-023-05297-w.
Complete genomic sequence of an agarolytic Pseudoalteromonas species isolated from deep-sea water.
Mikihisa Muta, Takao Yoshida, Takashi Funatsu, Ryo Iizuka.
Microbiol. Resour. Announce. 12(7): e0027823 (2023). doi:
10.1128/mra.00278-23
Complete Genomic Sequences of Two Agarolytic Vibrio Species Isolates from the Red Algae Gracilaria.
Mei Ito, Mikihisa Muta, Takashi Funatsu, Yuji Hatada, Ryo Iizuka.
Microbiol Resour Announc. 11(12): e0093422 (2022). doi:
10.1128/mra.00934-22
Selection of green fluorescent proteins by in vitro compartmentalization using microbead-display libraries.
Ryo Iizuka, Kentaro Tahara, Anna Matsueda, Soichiro Tsuda, Dong Hyun Yoon, Tetsushi Sekiguchi, Shuichi Shoji, Takashi Funatsu.
Biochem. Eng. J. 187: 108627 (2022).doi:
10.1016/j.bej.2022.108627
Nanaomycin E inhibits NLRP3 inflammasome activation by preventing mitochondrial dysfunction.
Yudai Matsui, Naoki Takemura, Yoshitaka Shirasaki, Michihiro Takahama, Yoshihiko Noguchi, Kenta Ikoma, Yixi Pan, Manabu Taura, Akiyoshi Nakayama, Takashi Funatsu, Takuma Misawa, Yoshie Harad, Toshiaki Sunazuka, Tatsuya Saitoh
Int. Immunol. 34(10): 505-518 (2022). doi:
10.1093/intimm/dxac028
Determination of intracellular 2-hydroxyglutarate enantiomers using two-dimensional liquid chromatography.
Takuma Ohtawa, Ayuna Hattori, Muneki Isokawa, Masashi Harada, Takashi Funatsu, Takahiro Ito, Makoto Tsunoda.
Journal of Chromatography Open. 1: 100005 (2021). doi:
10.1016/j.jcoa.2021.100005
Inside or out? Clonal thiotrophic symbiont populations occupy deep-sea mussel bacteriocytes with pathways connecting to the external environment.
Tetsuro Ikuta, Yuka Amari, Akihiro Tame, Yoshihiro Takaki, Miwako Tsuda, Ryo Iizuka, Takashi Funatsu, Takao Yoshida.
ISME Commun. 1: 38 (2021). doi:
10.1038/s43705-021-00043-x
Quantification of intracellular thiols by HPLC-fluorescence detection.
Hiroki Yamamoto, Takuya Fujiwara, Takashi Funatsu, Makoto Tsunoda.
Molecules, 26: 2365 (2021). doi:
10.3390/molecules26082365
Fast analysis using pillar array columns: Quantification of branched-chain α-keto acids in human plasma samples.
Takuya Fujiwara, Takashi Funatsu, Makoto Tsunoda
J. Pharm. Biomed. Anal. 198: 114019 (2021).doi:
10.1016/j.jpba.2021.114019
Development of an automated sample injection system for pillar array columns. Chromatography.
Hiroshi Kuroki, Hirotaka Koyama, Yusuke Nakatani, Takashi Funatsu, Shigeyoshi Horiike, Makoto Tsunoda.
Chromatography 41(1): 59-62 (2020).doi:
10.15583/jpchrom.2019.022
Short-term temperature change detections and frequency signals in single cultured cells using a microfabricated thermistor.
Naoki Inomata, Ryohei Inaoka, Kohki Okabe, Takashi Funatsu, Takahito Ono.
Sensing and Bio-Sensing Research 27: 100309 (2020).doi:
10.1016/j.sbsr.2019.100309
Nascent SecM chain interacts with outer ribosomal surface to stabilize translation arrest.
Mikihisa Muta, Ryo Iizuka, Tatsuya Niwa, Yuanfang Guo, Hideki Taguchi, Takashi Funatsu.
Biochem. J. 477 (2): 557-566 (2020).doi:
10.1042/BCJ20190723
ER-resident sensor PERK is essential for mitochondrial thermogenesis in brown adipose tissue.
Hironori Kato, Kohki Okabe, Masato Miyake, Kazuki Hattori, Tomohiro Fukaya, Kousuke Tanimoto, Shi Beini, Mariko Mizuguchi, Satoru Torii, Satoko Arakawa, Masaya Ono, Yusuke Saito, Takashi Sugiyama, Takashi Funatsu, Katsuaki Sato, Shigeomi Shimizu, Seiichi Oyadomari, Hidenori Ichijo, Hisae Kadowaki, Hideki Nishitoh.
Life Sci. Alliance. 3 (3): e201900576 (2020).doi:
10.26508/lsa.201900576
Analysis of intracellular α-keto acids by HPLC with fluorescence detection.
Takuya Fujiwara, Takahiro Ito, Takashi Funatsua, Makoto Tsunoda.
Anal. Methods. 12: 2555-2559 (2020).doi:
10.1039/d0ay00556h
Extraction of urinary cell-free DNA by using triamine-modified silica particles for liquid biopsy.
Masaru Kato, Yumi Fujita, Takuya Iizuka, Kyohei Nozaki, Sho Takano, Takashi Funatsu, Yoshihiro Sano, Shuhei Murayama, Koji Karasawa.
Anal. Bioanal. Chem. 412(23): 5647-5652 (2020).doi:
10.1007/s00216-020-02784-5
Photo-reactive oligodeoxynucleotide-embedded nanovesicles (PROsomes) with switchable stability for efficient cellular uptake and gene knockdown.
Beob Soo Kim, Mitsuru Naito, Rimpei Kamegawa, Hyun Jin Kim, Ryo Iizuka, Takashi Funatsu, Shingo Ueno, Takanori Ichiki, Akihiro Kishimura, Kanjiro Miyata.
Chem. Commun (Camb). 56(66): 9477-9480 (2020).doi:
10.1039/d0cc01750g
Quantification of the effect of site-specific histone acetylation on chromatin transcription rate.
Masatoshi Wakamori, Kohki Okabe, Kiyoe Ura, Takashi Funatsu, Masahiro Takinoue, Takashi Umehara.
Nucleic Acids Res. 48(22): 12648-12659 (2020).doi:
10.1093/nar/gkaa1050
Collection of biochemical samples with brain-wide electrophysiological recordings from a freely moving dorent.
Daichi Konno, Ryota Nakayama, Makoto Tsunoda, Takashi Funatsu, Yuji Ikegaya, Takuya Sasaki.
J. Pharm. Sci. 139 (4): 346-351 (2019).doi:
10.1016/j.jphs.2019.02.006
Optimization of tris(2-carboxyethyl) phosphine reduction conditions for fast analysis of total biothiols in mouse serum samples.
Chunfang Chang, Muneki Isokawa, Takashi Funatsu, Makoto Tsunoda.
Heliyon 5 (5): e01598 (2019).doi:
10.1016/j.heliyon.2019.e01598
Retention of Fluorescent Amino Acid Derivatives in Ion-Pairing Reversed-Phase Liquid Chromatography.
Xiaomin Li, Hiroshi Kuroki, Takashi Funatsu, Makoto Tsunoda
Anal. Sci. 34(10): 1209-1212 (2018). doi:
10.2116/analsci.18N008
Construction of integrated gene logic-chip.
Takeya Masubuchi, Masayuki Endo, Ryo Iizuka, Ayaka Iguchi, Dong Hyun Yoon, Tetsushi Sekiguchi, Hao Qi, Ryosuke Iinuma, Yuya Miyazono, Shuichi Shoji, Takashi Funatsu, Hiroshi Sugiyama, Yoshie Harada, Takuya Ueda, Hisashi Tadakuma
Nat. Nanotechnol. 13(10): 933-940 (2018). doi:
10.1038/s41565-018-0202-3
Ischemic brain injury leads to brain edema via hyperthermia-induced TRPV4 activation.
Yutaka Hoshi, Kohki Okabe, Koji Shibasaki, Takashi Funatsu, Norio Matsuki, Yuji Ikegaya, Ryuta Koyama
J. Neurosci. 38(25): 5700-5709 (2018). doi:
10.1523/JNEUROSCI.2888-17.2018
Identification of methylated tubulin through analysis of methylated lysine.
Rika Suzuki, Takashi Funatsu, Makoto Tsunoda
Anal. Bioanal. Chem. 410: 4189-4194 (2018). doi:
10.1007/s00216-018-1068-9
Amino Acid Analysis Using a Cartridge-Type Monolithic Silica Column.
Yuko Sumida, Makoto Tsunoda, Takashi Funatsu
Chromatography 3: 135-138 (2017). doi:
10.15583/jpchrom.2017.016
Cancer progression by reprogrammed BCAA metabolism in myeloid leukaemia.
Ayuna Hattori, Makoto Tsunoda, Takaaki Konuma, Masayuki Kobayashi, Tamas Nagy, John Glushka, Fariba Tayyari, Daniel McSkimming, Natarajan Kannan, Arinobu Tojo, Arthur S. Edison, Takahiro Ito
Nature 545: 500–504 (2017). doi:
10.1038/nature22314
Extraction of cell-free DNA from urine, using polylysine-coated silica particles.
Sho Takano, Qingjiang Hu, Takaki Amamoto, Paulo Refinetti, Koshi Mimori, Takashi Funatsu, Masaru Kato
Anal. Bioanal. Chem. 409: 4021-4025 (2017). doi:
10.1007/s00216-017-0345-3
High performance liquid chromatography analysis of 100-nm liposomal nanoparticles using polymer-coated, silica monolithic columns with aqueous mobile phase.
Naoki Itoh, Arato Kimoto, Eiichi Yamamoto, Tatsuya Higashi, Tomofumi Santa, Takashi Funatsu, Masaru Kato
J. Chromatogr. A. 1484: 34-40 (2017). doi:
10.1016/j.chroma.2016.12.080
Surface modification of silica nanoparticles with 4-aryloxy boron dipyrromethene (BODIPY) enhances skin permeation.
Takaki Amamoto, Satoshi Hirakawa, Tomofumi Santa, Takashi Funatsu, Masaru Kato
J. Mater. Chem. B 4: 7676-7680 (2016). doi:
10.1039/C6TB02188C
Quantification of Biological Thiols in the Plasma of a Homocystinuria Model with Cystathionine β-Synthase Deficiency Utilizing Hydrophilic Interaction Liquid Chromatography and Fluorescence Detection.
Muneki Isokawa, Kentaro Kobayashi, Yurika Miyoshi, Masashi Mita, Takashi Funatsu, Kenji Hamase, Makoto Tsunoda
Chromatography 37: 147-151 (2016). doi:
10.15583/jpchrom.2016.015
Retention and bandwidth predictions by fast gradient elutionchromatography using a pillar array column.
Yanting Song, Katsuya Takatsuki, Tetsushi Sekiguchi, Takashi Funatsu, Shuichi Shoji, Makoto Tsunoda
Chromatography 37: 111-116 (2016). doi:
10.15583/jpchrom.2016.008
Liquid Chromatography Chip with Low-Dispersion and Low-Pressure-Drop Turn Structure Utilizing a Distribution-Controlled Pillar Array.
Muneki Isokawa, Katsuya Takatsuki, Yanting Song, Kailing Shih, Kanki Nakanishi, Zhimin Xie, Dong Hyun Yoon, Tetsushi Sekiguchi, Takashi Funatsu, Shuichi Shoji, Makoto Tsunoda
Anal. Chem. 88(12): 6485-6491(2016). doi:
10.1021/acs.analchem.6b01201
Rapid quantitative method for the detection of phenylalanine and tyrosine in human plasma using pillar array columns and gradient elution.
Yanting Song, Katsuya Takatsuki, Tetsushi Sekiguchi, Takashi Funatsu, Shuichi Shoji, Makoto Tsunoda
Amino Acids. 48: 1731-1735 (2016). doi:
10.1007/s00726-016-2248-6
Chaperonin GroEL uses asymmetric and symmetric reaction cycles in response to the concentration of non-native substrate proteins.
Ryo Iizuka, Takashi Funatsu.
Biophys. Physicobiol. 13: 63-69 (2016). (Review) doi:
10.2142/biophysico.13.0_63
Determination of catecholamines and related compounds in mouse urine using column-switching HPLC.
Takahiro Kanamori, Takashi Funatsu, Makoto Tsunoda.
Analyst. 141: 2568-2573 (2016). doi:
10.1039/c5an02617b
Live-cell single-molecule imaging of the cytokine receptor MPL for analysis of dynamic dimerization.
Akihiko Sakamoto, Takashi Tsukamoto, Yuji Furutani, Yuki Sudo, Kazuyuki Shimada, Akihiro Tomita, Hitoshi Kiyoi, Takashi Kato, and Takashi Funatsu.
J. Mol. Cell Biol. 8(6): 553-555 (2016). doi:
10.1093/jmcb/mjw027
ASK1 signaling regulates brown and beige adipocyte function.
Kazuki Hattori, Isao Naguro, Kohki Okabe, Takashi Funatsu, Shotaro Furutani, Kohsuke Takeda, Hidenori Ichijo.
Nat. Commun. 7: 11158 (2016). doi:
10.1038/ncomms11158
Effect of nanoparticle surface on the HPLC elution profile of liposomal nanoparticles.
Naoki Ito, Eiichi Yamamoto, Tomofumi Santa, Takashi Funatsu, Masaru Kato.
Pharm. Res. In press. doi:
10.1007/s11095-016-1886-4
Culture-independent method for identification of microbial enzyme-encoding genes by activity-based single-cell sequencing using a water-in-oil microdroplet platform.
Kazuki Nakamura, Ryo Iizuka, Shinro Nishi, Takao Yoshida, Yuji Hatada, Yoshihiro Takaki, Ayaka Iguchi, Dong Hyun Yoon, Tetsushi Sekiguchi, Shuichi Shoji, Takashi Funatsu.
Sci. Rep. 6: 22259 (2016). doi:
10.1038/srep22259
Determination and characterization of total thiols in mouse serum samples using hydrophilic interaction liquid chromatography with fluorescence detection and mass spectrometry.
Muneki Isokawa, Tatsuo Shimosawa, Takashi Funatsu, Makoto Tsunoda.
J. Chromatogr. B. 1019: 59-65 (2016). doi:
10.1016/j.jchromb.2015.11.038
Detection and quantification of microRNAs by ligase-assisted sandwich hybridization on a microarray.
Ryo Iizuka, Taro Ueno, Takashi Funatsu.
Methods Mol. Biol. 1368: 53-65 (2016). doi:
10.1007/978-1-4939-3136-1_5
Evaluation of the Effects of Sample Solutions and Injector Wash Solutions on Separation Efficiency in Hydrophilic Interaction Liquid Chromatography
Takahiro Kanamori, Takashi Funatsu, Makoto Tsunoda
Chromatography 36: 123-126 (2015). doi:
10.15583/jpchrom.2015.028
In situ synthesis and immobilization of enzyme molecules on microreactor array chips
Shingo Ueno, Tatsunori Hirai, Shusuke Sato, Manish Biyani, Hiromi Kuramochi, Ryo Iizuka, Takanori Akagi, Takashi Funatsu, Takanori Ichiki
J. Photopolym. Sci. Technol. 28 (5): 719-725 (2015) doi:
10.2494/photopolymer.28.719
Development of analytical method for catechol compounds in mouse urine using hydrophilic interaction liquid chromatography with fluorescence detection
Takahiro Kanamori, Muneki Isokawa, Takashi Funatsu, Makoto Tsunoda.
J. Chromatogr. B. 985: 142-148 (2015). doi:
10.1016/j.jchromb.2015.01.038
Nascent SecM chain outside the ribosome reinforces translation arrest
Zhuohao Yang, Ryo Iizuka, Takashi Funatsu
PLoS ONE. 10:e0122017 (2015). doi:
10.1371/journal.pone.0122017
Recent advances in hydrophilic interaction chromatography for quantitative analysis of endogenous and pharmaceutical compounds in plasma sample.
Muneki Isokawa, Takahiro Kanamori, Takashi Funatsu, Makoto Tsunoda
Bioanalysis. 6 (18): 2421-2439 (2014) (Review) doi:
10.4155/bio.14.173
A spontaneously blinking fluorophore based on intramolecular spirocyclization for live-cell super-resolution imaging
Shin-nosuke Uno, Mako Kamiya, Toshitada Yoshihara, Ko Sugawara, Kohki Okabe, Mehmet C. Tarhan, Hiroyuki Fujita, Takashi Funatsu, Yashushi Okada, Seiji Tobita, and Yasuteru Urano
Nat. Chem. 6: 681-689 (2014) doi:
10.1038/nchem.2002
Analytical methods involving separation techniques for determination of low-molecular-weight biothiols in human plasma and blood
Muneki Isokawa, Takahiro Kanamori, Takashi Funatsu, and Makoto Tsunoda
J. Chromatogr. B. Anayt. Technol. Biomed. Life Sci. 964: 103-115 (2014)
doi:
10.1016/j.jchromb.2013.12.041
Amino acids analysis using in loop derivatization with 4-fluoro-7-nitro-2,1,3-benzoxadiazole
Makoto Tsunoda, Yanting Song, and Takashi Funatsu
Current Analytical Chemistry 10: 349-354 (2014) doi:
10.2174/1573411010999131219102447
Label-free quantification of microRNAs using ligase-assisted sandwich hybridization on a DNA microarray
Taro Ueno, and Takashi Funatsu
PLoS ONE. 9: e90920 (2014) doi:
10.1371/journal.pone.0090920
Optical Observation of Deep Bulk Damage in Amorphous Perfluorocarbon Films Produced by UV Photons Emitted from Low-Pressure Argon Plasma
Takao Ono, Ryo Iizuka, Takanori Akagi, Takashi Funatsu, and Takanori Ichiki
J.Photopoly. Sci. Technol. 27: 393-398 (2014). doi:
10.2494/photopolymer.27.393
Evaluation of the effects of sample dilution and volume in hydrophobic interaction liquid
chromatography
Muneki Isokawa, Takashi Funatsu, Makoto Tsunoda
Chromatographia 77: 1553-1556 (2014). doi:
10.1007/s10337-014-2748-z
Improving zero-mode waveguide structure for enhancing signal-to-noise ratio
of real-time single-molecule fluorescence imaging: a computational study
Takashi Tanii, Rena Akahori, Shun Higano, Kotaro Okubo, Hideaki Yamamoto, Taro Ueno, and Takashi Funatsu
Phys. Rev. E 88: 012727 (2013)
Fast and simultaneous analysis of biothiols by high-performance liquid chromatography with fluorescence detection under hydrophilic interaction chromatography conditions
M. Isokawa, T. Funatsu, and M. Tsunoda
Analyst 138(13): 3802-3808 (2013)
Fast and quantitative analysis of branched-chain amino acids in biological samples using a pillar array column
Y. Song, K. Takatsuki, M. Isokawa, T. Sekiguchi, J. Mizuno, T. Funatsu, S. Shoji, and M. Tsunoda
Analytical and Bioanalytical Chemistry 405: 7993–7999 (2013). doi:
10.1007/s00216-013-7034-7
Integrated channel selector for directing fluid flow using thermoreversible gelation controlled by a digital mirror device
Y. Shirasaki, M. Tatsuoka, M. Yamagishi, J. Mizuno, S. Shoji, and T. Funatsu
J. Sens. 2013: Article ID 436492, 6 pages (2013)
Amino acid analysis using core-shell particle column
Y. Song, T. Funatsu, and M. Tsunoda
J. Chromatogr. B. 927: 214-217 (2013)
Single-molecule observation of protein folding in symmetric GroEL−(GroES)2 complexes
Y. Takei, R. Iizuka, T. Ueno, and T. Funatsu
J. Biol. Chem. 287 (49): 41118-41125 (2012)
NanoPARCEL: a method for controlling cellular behavior with external light
S. Murayama, B. Su, K. Okabe, A. Kishimura, K. Osada, M. Miura, T. Funatsu, K. Kataoka, M. Kato
Chem. Comm. 48(67): 8380-8382 (2012)
Integration of pillar array columns into a gradient elution system for pressure-driven liquid chromatography
Y. Song, M. Noguchi, K. Takatsuki, T. Sekiguchi, J. Mizuno, T. Funatsu, S. Shoji, M. Tsunoda
Anal. Chem. 84(11): 4739-4745 (2012)
Rapid determination of amino acids in biological samples using a monolithic silica column
Y. Song, T. Funatsu, and M. Tsunoda
Amino Acids, 42(5): 1897-1902 (2012)
Initiation factor 2 and 50S cooperate to lock mRNAs on the ribosome during initiation
T. Masuda, A. N. Petrov, R. Iizuka, T. Funatsu, J. D. Puglisi, and S. Uemura
Proc. Natl. Acad. Sci. USA, 109(13): 4881-4885 (2012)
Intracellular temperature mapping with a fluorescent polymeric thermometer and fluorescence lifetime imaging microscopy
Okabe, K., N. Inada, C. Gota, Y. Harada, T. Funatsu, and S. Uchiyama
Nat. Commun. 3: 705 doi: 10.1038/ncomms1714 (2012)
Catecholamine analysis with strong cation exchange column liquid chromatography-peroxyoxalate chemiluminescence reaction detection
M. Tsunoda, and T. Funatsu
Anal. Bioanal. Chem. 402: 1393-1397 (2012)
Dynamic association-dissociation and harboring of endogenous mRNAs in stress granules
J. Zhang, K. Okabe, T. Tani, and T. Funatsu
J. Cell Sci. 124: 4087-4095 (2011)
Damage-free Fabrication of Perfluoropolymer Microaperture Array Device for Single-molecule Imaging
T. Ono, R. Iizuka, T. Akagi, T. Funatsu, and T. Ichiki
Trans. Mater. Res. Soc. Jpn. 36: 553-556 (2011)
Real-time single-molecule observation of green fluorescent protein synthesis by immobilized ribosomes
R. Iizuka, T. Funatsu, and S. Uemura
Methods Mol Biol. 778, 215-228 (2011)
Single-Molecule Fluorescence Polarization Study of Conformational Change in Archaeal Group II Chaperonin
R. Iizuka, T. Ueno, N. Morone, and T. Funatsu
PLoS ONE 6, e22253 (2011)
Microfluidic active sorting of DNA molecules labeled with single quantum dots using flow switching by a hydrogel sol-gel transition
M. Haneoka, Y. Shirasaki, H. Sugino, T. Aoki, T. Arakawa, K. Ozaki, D. H. Yoon, N. Ishii, R. Iizuka, S. Shoji, and T. Funatsu
Sensor Actuat. B-Chem. 159, 314-320 (2011)
p38 MAP kinase regulates the expression of genes in the dopamine sysnthesis pathway through phosphorylation of NR4A nuclear receptors.
Y. Sekine, S. Takagahara, R. Hatanaka, T. Watanabe, H. Oguchi, T. Noguchi, I. Naguro, K. Kobayashi, M. Tsunoda, T. Funatsu, H. Nomura, T. Toyoda, N. Matsuki, E. Kuranaga, M. Miura, K. Takeda, and H. Ichijo
J. Cell Sci. 124, 3006-3016 (2011)
Biocompatible, surface functionalized mesoporous titania nanoparticles for intracellular imaging and anticancer drug delivery
K. Wu, K. C., Y. Yamauchi, C. Hong, Y. Yang, Y. Liang, T. Funatsu, and M. Tsunoda
Chem. Commun. 47: 5232-5234 (2011)
Fabrication of zero-mode waveguide by ultraviolet nanoimprint lithography lift-off process
J. Wada, S. Ryu, Y. Asano, T. Ueno, T. Funatsu, T. Yukawa, J. Mizuno, and T. Tanii
Jpn. J. Appl. Phys. 50: 06GK07 (2011)
Kinetic study of de novo chromophore maturation of fluorescent proteins
R. Iizuka, M. Yamagishi-Shirasaki, and T. Funatsu
Anal. Biochem. 414:173-178 (2011)
Extraction of catecholamines from urine using a monolithic silica disk-packed spin column and high-performance liquid chromatography-electrochemical detection
M. Tsunoda, C. Aoyama, S. Ota, T. Tamura, and T. Funatsu
Analytical Methods. 3: 582-585 (2011)
Real time monitoring of endogenous cytoplasmic mRNA using linear antisense 2’O-methyl RNA probes in living cells
K. Okabe, Y. Harada, J. Zhang, H. Tadakuma, T. Tani, and T. Funatsu
Nucleic Acids Res. 39: e20 (2011)
Amino acids analysis using a monolithic silica column after derivatization with 4-fluoro-7-nitro-2,1,3-benzoxadiazole (NBD-F)
Y. Song, T. Funatsu, M. Tsunoda
J. Chromatogr. B, 879: 335-340 (2011)
Microfluidic cell sorter with flow switching triggered by a sol-gel transition of a thermo-reversible gelation polymer
K. Ozaki, H. Sugino, Y. Shirasaki, T. Aoki, T. Arakawa, T. Funatsu and S. Shoji
Sensor Actuat. B-Chem.150: 449-455 (2010)
Integration in a multilayer microfluidic chip of 8 parallel cell sorters with flow control by sol-gel transition of thermoreversible gelation polymer
H. Sugino, T. Arakawa, Y. Nara, Y. Shirasaki, K. Ozaki, S. Shoji and T. Funatsu
Lab Chip, 10: 2559-2565 (2010)
Single-molecule study on the decay process of the football-shaped GroEL-GroES complex using zero-mode waveguides
T. Sameshima, R. Iizuka, T. Ueno,J. Wada, M. Aoki, N. Shimamoto, I. Ohdomari, T. Tanii, and T. Funatsu
J. Biol. Chem. 285: 23159-23164 (2010)
Denatured proteins facilitate the formation of the football-shaped GroEL-GroES complex
T. Sameshima, R. Iizuka, T. Ueno, T. Funatsu
Biochem. J. 427: 247-254 (2010)
Hyperactivity in novel environment with increased dopamine and impaired novelty preference in apoptosis signal-regulating kinase 1 (ASK1)-deficient mice
Kumakura, K., H. Nomura, T. Toyoda, K. Hashikawa, T. Noguchi, K. Takeda, H. Ichijo, M. Tsunoda, T. Funatsu, D. Ikegami, M. Narita, T. Suzuki and N. Matsuki
Neuroscience Research, 66: 313-320 (2010)
Use of Folded Micromachined Pillar Array Column with Low-Dispersion Turns for Pressure-Driven Liquid Chromatography
C. Aoyama, A. Saeki, M. Noguchi, Y. Shirasaki, S. Shoji, T. Funatsu, J. Mizuno, and M. Tsunoda
Anal. Chem. 82: 1420-1426 (2010)
Simultaneous determination of dopamine and 3,4-dihydroxyphenylacetic acid in mouse striatum using mixed-mode reversed-phase and cation-exchange high-performance liquid chromatography
Tsunoda M., C. Aoyama, H. Nomura, T. Toyoda, N. Matsuki, and T. Funatsu
J. Pharm. Biomed. Anal. 51: 712-715 (2010)
Size-dependent accumulation of mRNA at the leading edge of chicken embryo fibroblasts
Yamagishi M., Y. Shirasaki, and T. Funatsu
Biochem. Biophys. Res. Commun. 390: 750-754 (2009)
cDNA display: A novel screening method for functional disulfide-rich peptides by solid-phase synthesis and stabilization of mRNA-protein fusions
Yamaguchi J., M. Naimuddin, M. Biyani, T. Sasaki, M. Machida, T. Kubo, T. Funatsu, Y. Husimi, and N. Nemoto
Nucleic Acids Res.37: e108 (2009)
Single-molecule imaging of beta-actin mRNAs in the cytoplasm of a living cell
Yamagishi M., Y. Ishihama, Y. Shirasaki, H. Kurama, and T. Funatsu
Exp. Cell Res. 315: 1142-1147 (2009)
Single molecule tracking of quantum dot-labeled mRNAs in a cell nucleus
Ishihama Y., and T. Funatsu
Biochem. Biophys. Res. Commun. 381: 33-38 (2009)
On-chip mirofluidic sorting with fluorescence spectrum detection and multiway separation
Sugino H., K. Ozaki, Y. Shirasaki, T. Arakawa, S. Shoji, and T. Funatsu
Lab Chip 9: 1254-1260 (2009)
Hydrophilic fluorescent nanogel thermometer for intracellular thermometry
Gota C., K. Okabe, T. Funatsu, Y. Harada, and S. Uchiyama
J. Am. Chem. Soc. 131: 2766-2767 (2009)
Infrared laser-mediated gene induction in targeted single cells in vivo
Kamei, Y., M. Suzuki, K. Watanabe, K. Fujimori, T. Kawasaki, T. Deguchi, Y. Yoneda, T. Todo, S. Takagi, T. Funatsu, and S. Yuba
Nat. Methods 6: 79-81 (2009)
Determination of selenomethionine by high-performance liquid chromatography-fluorescence detectioncoupled with on-line oxidation
Aoyama C., M. Tsunoda, T. Funatsu
Anal. Sci. 25: 63-65 (2009)
Kinetic analysis of conformational changes of GroEL based on the fluorescence of tyrosine 506
Hosono, K., T. Ueno, H. Taguchi, F. Motojima, T. Zako, M. Yoshida, and T. Funatsu
Protein J. 27: 461-468 (2008)
Effect of the C-terminal truncation on the functional cycle of chaperonin GroEL: Implication that the C-terminal region facilitates the transition from the folding-arrested to the folding-competent state
Suzuki, M., T. Ueno, R. Iizuka, T. Miura, T. Zako, R. Akahori, T. Miyake, N. Shimamoto, M. Aoki, T. Tanii, I. Ohdomari, and T. Funatsu
J. Biol. Chem. 283: 23931-23939 (2008)
Football- and bullet-shaped GroEL-GroES complexes coexist during the reaction cycle
Sameshima, T., T. Ueno, R. Iizuka, N. Ishii, N. Terada, K. Okabe, and T. Funatsu
J. Biol. Chem. 283: 23765-23773 (2008)
Visualization of the molecular dynamics of LPS on the plasma membrane of murine macrophages by TIRFM
Shawkat, S., R. Karima, T. Tojo, H. Tadakuma, S. Saitoh, S. Akashi-Takamura, K. Miyake, T. Funatsu, and K.Matsushima
J. Biol. Chem. 283: 22962-22971 (2008)
Real-Time Imaging of Single-Molecule Fluorescence with a Zero-Mode Waveguide for the Analysis of Protein-Protein Interaction
Miyake, T., T. Tanii, H. Sonobe, R. Akahori, N. Shimamoto, T. Ueno, T. Funatsu, and I. Ohdomari
Anal. Chem. 80: 6018-6022 (2008)
Single molecule imaging of full protein synthesis by immobilized ribosomes
Uemura, S., R. Iizuka, T. Ueno, Y. Shimizu, H. Taguchi, T. Ueda, J.D. Puglisi, and T. Funatsu
Nucleic Acids Res. 36: e70 (2008)
Oxidative stress increase 6-nitronorepinephrine and 6-nitroepinephrine concentrations in rat brain
Tsunoda, M., E. Uchino, K. Imai, and T. Funatsu
Biomed. Chromatogr. 22: 572-574 (2008)
Fluorescence labeling of a cytokine with desthiobiotin-tagged fluorescent puromycin
Sakamoto, A., M. Yamagishi, T. Watanabe, Y. Aizawa, T. Kato, and T. Funatsu
J. Biosci. Bioeng. 105: 238-242 (2008)
The dynamics of pre-mRNAs and poly(A)+ RNA at speckles in living cells revealed by iFRAP studies
Ishihama, Y., H. Tadakuma, T. Tani, and T. Funatsu
Exp. Cell Res. 314: 748-762 (2008)
Rapid multi-reagents exchange TIRFM microfluidic system for a single biomolecular imaging
Arakawa T., T. Samesima, Y. Sato, T. Ueno, Y. Shirasaki, T. Funatsu, and S. Shoji
Sensors and Actuators B: Chemical, 128:218-225 (2007)
Measurement of Catechol-O-methyltransferase Activity in the Brain of Dahl Salt-Sensitive Rats.
Hirano Y., M. Tsunoda, T. Shimosawa, T. Fujita, T. Funatsu
Biol Pharm Bull. 30 (11): 2178-2180 (2007)
Determination of nitrocatecholamines in rat brain using high-performance liquid chromatography-peroxyoxalate chemiluminescence reaction detection
Tsunoda, M. E. Uchino, K. Imai, K. Hayakawa, and T. Funatsu
J. Chromatogr. A. 1164: 162-166 (2007)
Fluorescence millisecond oscillation in polar solvents regulates fluorescence intensity of colloidal quantum dots' solution
Hoshino, A., K. Omata, S. Takami, T. Adschiri, N. Terada, T. Funatsu, M. Yasuhara, and K. Yamamoto
J. Nanophoton. 1: 013516 (2007)
Selectivity improvement in protein nanopatterning with a hydroxy-terminated self-assembled monolayer template
Miyake T., T. Tanii, K. Kato, T. Zako, T. Funatsu, and I. Ohdomari
Nanotechnology. 18: 305304 (6pp) (2007)
On-chip Cell Sorting System Using Thermoreversible Gelation Polymer
Shirasaki, Y., H. Sugino, M. Tatsuoka, J. Mizuno, S. Shoji, and T. Funatsu
IEEE J. Sel. Top. Quant. Electron., 13: 223-227 (2007)
Suppression of COMT activity through blunting a2-adrenoceptor can explain hypertension in Dahl Salt-Sensitive rats.
Hirano, Y., M. Tsunoda, T. Shimosawa, H. Matsui, T. Fujita, T. Funatsu
Hypertens. Res., 30: 269-78 (2007)
Determination of potent antisense oligonucleotides in vitro by semi-empirical rules
Yanagihara, N. H. Tadakuma, Y. Ishihama, K. Okabe, T. Funatsu
J. Biosci. Bioeng. 103: 270-277 (2007)
Size distribution of linear and helical polymers in actin solution analyzed by photon counting histogram
Terada, N. T. Shimozawa, S. Ishiwata, and T. Funatsu
Biophys. J. 92: 2162-2171 (2007)
Three-dimensional sheath flow sorting microsystem using thermosensitive hydrogel.
Arakawa, T. Y. Shirasaki, T. Aoki, T. Funatsu, and S. Shoji
Sensors and Actuators A: Physical, 135: 99-105 (2007)
Label-free DNA sensors using ultrasensitive diamond field-effect transistors in solution.
Song K.S., G.J. Zhang, Y. Nakamura, K. Furukawa, T. Hiraki, J.H. Yang, T. Funatsu, I. Ohdomari and H. Kawarada
Phys Rev E Stat Nonlin Soft Matter Phys. 74: 041919.
High-speed particles and biomolecules sorting microsystem using thermosensitive hydrogel
Arakawa, T. Y. Shirasaki, T. Izumi, T. Aoki, H. Sugino, T. Funatsu, and S. Shoji
Meas. Sci. Techn. 17: 3141-3146 (2006)
Localization of Prefoldin Interaction Sites in the Hyperthermophilic Group II Chaperonin and Correlations between Binding Rate and Protein Transfer Rate.
Zako, T., Y. Murase, R. Iizuka, T. Yoshida, T. Kanzaki, N. Ide, M. Maeda, T. Funatsu, and M. Yohda
J. Mol. Biol. 364: 110-120 (2006).
Cellular responses of the ciliate, Tetrahymena thermophila, to far infrared irradiation.
Shiurba, R. T. Hirabayashi, M. Masuda, A. Kawamura, Y. Komoike, W. Klitz, K. Kinowaki, T. Funatsu, S. Kondo, S. Kiyokawa, T. Sugai, K. Kawamura, H. Namiki, and T. Higashinakagawa
Photochem. Photobiol. Sci. 5: 799-807 (2006).
Determination of NG,NG-dimethyl-l-arginine in rat plasma and dimethylarginine dimethylaminohydrolase activity in rat kidney using a monolithic silica column.
Nonaka S, M. Tsunoda C, Aoyama and T. Funatsu
J Chromatogr B, 843: 170-174 (2006)
Suppression of thiol exchange reaction in the determination of reduced-form thiols by high-performance liquid chromatography with fluorescence detection after derivatization with fluorogenic benzofurazan reagent, 7-fluoro-2,1,3-benzoxadiazole-4-sulfonate and 4-aminosulfonyl-7-fluoro-2,1,3-benzoxadiazole.
Santa T, C. Aoyama, T. Fukushima, K. Imai, and T. Funatsu
Biomed Chromatogr. 20(6-7):656-61 (2006).
Imaging of single mRNA molecules moving within a living cell nucleus
Tadakuma, H., Y. Ishihama, T. Shibuya, T. Tani, and T. Funatsu
Biochem Biophys Res Commun. 344: 772-779 (2006)
A further study on the combined use of internal standard and isotope-labeled derivatization reagent for expansion of linear dynamic ranges in liquid chromatography-electrospray mass spectrometry.
Tsukamoto, Y., T. Santa, H. Yoshida, H. Miyano, T. Fukushima, K. Hirayama, K. Imai, and T. Funatsu
Biomed. Chromatogr.20: 1049-1055 (2006)
DNA micropatterning on polycrystalline diamond via one-step direct amination
Zhang, G.J., K.S. Song, Y. Nakamura, T. Ueno, T. Funatsu, I. Ohdomari, H. Kawarada
Langmuir 22: 3728-3734 (2006)
Catecholamine analysis with microcolumn LC-peroxyoxalate chemiluminescence reaction detection
Tsunoda, M., M. Nagayama, T. Funatsu, S. Hosoda, and K. Imai.
Clin. Chim. Acta. 366: 168-173 (2006)
Nucleocytoplasmic transport of fluorescent mRNA in living mammalian cells: Nuclear mRNA export is coupled to ongoing gene transcription
Tokunaga, K., T. Shibuya, Y. Ishihama, H. Tadakuma, M. Ide, M. Yoshida, T. Funatsu, Y. Ohshima, and T. Tani.
Genes to Cells. 11: 305-317 (2006)
On-chip cell sorting system using laser-induced heating of a thermo-reversible gelation polymer to control flow.
Shirasaki, Y., J. Tanaka, H. Makazu, K. Tashiro, S. Shoji, S. Tsukita, and T. Funatsu.
Anal. Chem. 78: 695-701 (2006)
Synthesis of the isotope-labeled derivatization reagent for carboxylic acids, 7-(N,N-dimethylaminosulfonyl)-4 -(aminoethyl)piperazino-2,1,3-benzoxadiazole (d6) (DBD-PZ-NH2 (D)), and its application to the quantification and the determination of relative amount of fatty acids in rat plasma samples by high-performance liquid chromatography/mass spectrometry.
Tsukamoto Y, T. Santa, H. Yoshida, H. Miyano, T. Fukushima, K. Hirayama, K. Imai and T. Funatsu
Biomedical Chromatography 20: 358-364 (2006).
Analysis of Nuclear Microenvironments by Translational Diffusion of GFP Using Fluorescence Correlation Spectroscopy
Terada, N., H. Tadakuma, Y. Ishihama, M. Yamagishi, T. Zako, and T. Funatsu
Bioimages. 13: 1-10 (2005)
An improved assay for catechol-O-methyltransferase activity utilizing norepinephrine as an enzymatic substrate and reversed-phase high-performance liquid chromatography with fluorescence detection.
Aoyama, N., M. Tsunoda, and K. Imai.
J. Chromatogr. A, 1074: 47-51 (2005)..
Determination of methylated arginines by column-switching high-performance liquid chromatography-fluorescence detection.
Tsunoda, M., S. Nonaka, T. Funatsu.
Analyst, 130: 1410-1413 (2005)
Facilitated release of substrate protein from prefoldin by chaperonin.
Zako T., R. Iizuka, M. Okochi, T. Nomura, T. Ueno, H. Tadakuma1, M. Yohda and T. Funatsu.
FEBS Lett. 579: 3718-3724 (2005).
Nanoscale patterning of protein using electron beam lithography of organosilane self-assembled monolayers.
Zhang, G.-J., T. Tanii, T. Zako, T. Hosaka, T. Miyake, Y. Kanari, T. Funatsu, and I. Ohdomari.
Small, 1: 833-837. (2005)
Hybridization of deoxyribonucleic acid immobilization of green fluorescent protein on nanostructured porganosilane templates.
Tanii, T., T. Hosaka, T. Miyake, Y. Kanari, G.-J. Zhang, T. Funatsu, and I. Ohdomari.
Jpn. J. App. Phys. 44: 5851-5855 (2005).
Synthesis of benzofurazan derivatization regents for carboxylic and acids and its application to analysis of fatty acids in rat plasma by high-performance liquid chromatography/electrospray ionization mass spectrometry.
Tsukamoto Y., T. Santa, H. Saimaru, K. Imai, and T. Funatsu.
Biomed. Chromatogy. 19(10):802-8 (2005)
Rapid assay for catechol-O-methyltransferase activity by high-performance liquid chromatography-fluorescence detection.
Hirano, Y., M. Tsunoda, T. Funatsu, and K. Imai
J. Chromatogr. B, 819: 41-44 (2005)
High-performance liquid chromatographic assay of NG-monomethyl-L-arginine, NG,NG-dimethyl-L-arginine, and NG,NG'-dimethyl-L-arginine using 4-fluoro-7-nitro-2,1,3-benzoxadiazole as a fluorescent reagent.
Nonaka, S., M. Tsunoda, K. Imai, and T. Funatsu
J. Chromatogr. A, 1066: 41-45 (2005)
Micropatterning oligonucletides on single crystal diamond surface by photolithography.
Zhang, G. H. Umezawa, H. Hata, T. Zako, T. Funatsu, I. Ohdomari, and H. Kawarada
Jpn. J. Appl. Phys. 44: L295-298 (2005)
Kinetic analysis of interactions between archaeal prefoldin and chaperonin.
Zako T., T.Funatsu, and M. Youhda
Recent Res. Develop. Biophys. 3: 475-483 (2004)
Preferential immobilization of biomolecules on silicon microstructure array by means of electron beam lithography on organosilane self-assembled monolayer resist.
Tanii, T., T. Hosaka, T. Miyake, G. Zhang, T. Zako, T. Funatsu, and I. Ohdomari.
Appl.Surf.Sci. 234: 102-106 (2004)
Kinetics and binding sites for interaction of prefoldin with group II chaperonin: contiguous non-native substrate and chaperonin binding sites in archaeal prefoldin.
Okochi, M., T. Nomura, T. Zako, R. Iizuka, H. Ueda, T. Funatsu, M. Leroux, and M. Yohda:
J. Biol. Chem. 279: 31788-31795 (2004)
GroEL mediates protein folding with a two successive timer mechanism.
Ueno, T., T., H. Taguchi, H. Tadakuma, M. Yoshida, and T. Funatsu:
Mol. Cell 14: 423-434 (2004).
Patterning of DNA nanostructures on silicon surface by electron beam lithography of self-assembled monolayer.
Zhang, GJ., T. Tanii, T. Funatsu, and I. Ohdomari:
Chem Comm. 786-787 (2004)
The immobilization of DNA on microstructured patterns fabricated by maskless lithography.
Zhang, G., T. Tanii, T. Zako, T. Funatsu, and I. Ohdomari;
Sensors and Actuators B: 97: 243-248 (2004)
Rapid and Sensitive Detection Method of A Bacterium Using GFP Reporter Phage
Funatsu, T., T. Taniyama,T. Tajima, H. Tadakuma, and H. Namiki
Microbiol. Immuno. 46: 365-369.(2002)
Microscopicanalysis of polymerization dynamics with individual actin filaments
Fujiwara,, I., S.Takahashi, H.Tadakuma, T. Funatsu, and S.Ishiwata
Nature Cell Biol. 4: 666-673. (2002)
Rapid functional analysis of protein-protein interactions by fluorescent C-terminal labeling and single-molecule imaging
Yamaguchi, J.., N.Nemoto, T.Sasaki, A.Tokumasu, Y.Mimori-Kiyosue, T.Yagi, and T.Funatsu
FEBS Lett. 502: 79-83. (2001)
Single-molecule observation of protein-protein interactions in the chaperonin system
Taguchi, H., T. Ueno, H. Tadakuma, M. Yoshida, and T. Funatsu
Nature Biotechnol. 19: 861-865 (2001).
Imaging of Single Fluorescent Molecules Using Video-rate Confocal Microscopy
Tadakuma, H., J.Yamaguchi, Y. Ishihama, and T. Funatsu
Biochem Biophys Res Commun. 287: 323-327 (2001).
Spectral Fluctuation of a Single Fluorophore Conjugated to a Protein Molecule
Wazawa, T., Y. Ishii, T. Funatsu, and T. Yanagida
Biophys. J. 78: 1561-1569 (2000)
Single molecule imaging of RNA polymerase-DNA interactions in real time
Harada, Y., T. Funatsu, K. Murakami, Y. Nonoyama, A. Ishihama, and T. Yanagida
Biophys. J. 76: 709-715 (1999).
Fluorescence resonance energy transfer between single fluorophores attached to a coiled-coil protein in aqueous solution
Ishii, Y., T. Yoshida, T. Funatsu, T. Wazawa, and T. Yanagida
Chemical Physics. 247:163-173 (1999)
Simultaneous observation of individual ATPase and mechanical events by a single myosin molecule during interaction with actin
Ishijima, A., H. Kojima, T. Funatsu, M. Tokunaga, H. Higuchi, H. Tanaka, and T. Yanagida
Cell. 92: 161-171 (1998)..
Single molecular assay of the individual ATP turnovers by a myosin-GFP fusion protein expressed in vitro
Iwane, A.H., T. Funatsu, Y. Harada, M. Tokunaga, O. Ohara, S. Morimoto, and T. Yanagida
FEBS Letters. 407: 235-238.(1997)
Imaging and nano-manipulation of single bio-molecules
Funatsu, T., Y. Harada, H. Higuchi, M. Tokunaga, K. Saito, Y. Ishii, R. Vale, T. Yanagida
Biophys. Chem. 68: 63-72 (1997).
Inter-head distances in myosin attached to F-actin estimated by fluorescence energy transfer spectroscopy.
Ishiwata, S., M. Miki, I. Shin, T. Funatsu, K. Yasuda, and C.G. dosRemedios
Biophys. J. 73: 895-904 (1997)
Multiple- and single-molecule analysis of the actomyosin motor by nanometer-piconewton manipulation with a microneedle: Unitary steps and forces
Ishijima,A., H. Kojima, H. Higuchi, H. Harada, T. Funatsu, and T. Yanagida
Biophys. J. 70: 383-400. (1996)
Direct observation of single kinesin molecules moving along microtubules
Vale, R.D., T. Funatsu, D. W. Pierce, L. Romberg, Y. Harada, and T. Yanagida
Nature. 380: 451-453 (1996).
Structural and functional reconstitution of thin filaments in the contractile apparatus of cardiac muscle
Fujita, H., K. Yasuda, S. Niitsu, T. Funatsu, and S. Ishiwata
Biophys. J. 71: 2307-2318. (1996)
Imaging of single fluorescent molecules and individual ATP turnovers by single myosin molecules in aqueous solution
Funatsu,T., Y. Harada, M. Tokunaga, K. Saito, and T. Yanagida
Nature. 374: 555-559. (1995)
Single-molecule analysis of the actomyosin motor using nano-manipulation
Ishijima, A., Y. Harada, H. Kojima, T. Funatsu, H. Higuchi, and T. Yanagida
Biochem Biophys Res Commun 199: 1057-1063 (1994)
Structural and functional reconstitution of thin filaments in skeletal muscle
Funatsu, T., T. Anazawa, and S. Ishiwata
J. Muscle Res. Cell Motil. 15: 158-171. (1994)
Elastic filaments in situ in cardiac muscle: deep-etch replica analysis in combination with selective removal of actin and myosin filaments
Funatsu, T., E. Kono, H. Higuchi, S. Kimura, S. Ishiwata, T. Yoshioka, K. Maruyama, and S. Tsukita
J. Cell Biol. 120: 711-724 (1993).
Changes in mobility of chromaffin granules in actin network with its assembly and Ca2+-dependent disassembly by gelsolin
Miyamoto, S., T. Funatsu, S. Ishiwata, and S. Fujime
Biophys. J. 64: 1139-1149 (1993).
Time-resolved electron microscopic analysis of the behavior of myosin heads on actin filaments after photolysis of caged ATP
Funatsu, T., E. Kono, and S. Tsukita
J. Cell Biol. 121: 1053-1064 (1993)
Elastic filaments in skeletal muscle revealed by selective removal of thin filaments with plasma gelsolin
Funatsu, T., H. Higuchi, and S. Ishiwata
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