Search Results - "Sadakane, Koichiro"

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  1. 1

    Direct visualization of local activities of long DNA strands via image–time correlation by Kang, Kyongok, Ma, Yue, Sadakane, Koichiro

    Published in European biophysics journal (01-12-2021)
    “…Bacteriophages with long DNA genomes are of interest due to their diverse mutations dependent on environmental factors. By lowering the ionic strength of a…”
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  2. 2

    Chlorogenic Acid Protects DNA against Double-strand Breaks: Evidence from Single Molecule Observation by Ogawa, Haruto, Nishio, Takashi, Yoshikawa, Yuko, Sadakane, Koichiro, Yoshikawa, Kenichi

    Published in Chemistry letters (05-06-2023)
    “…A natural polyphenol chlorogenic acid (CGA) is regarded as an antioxidant by preventing oxidative damage. Among the oxidative damages, DNA double-strand breaks…”
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  3. 3

    Characteristic effect of hydroxyurea on the higher-order structure of DNA and gene expression by Ogawa, Haruto, Nishio, Takashi, Yoshikawa, Yuko, Sadakane, Koichiro, Kenmotsu, Takahiro, Koga, Tomoyuki, Yoshikawa, Kenichi

    Published in Scientific reports (15-06-2024)
    “…Hydroxyurea (HU; hydroxycarbamide) is a chemotherapy medication used to treat various types of cancer and other diseases such as sickle cell anemia. HU…”
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  4. 4

    Aggregation of the Dipeptide Leu-Gly in Alcohol-Water Binary Solvents Elucidated from the Solvation Structure for Each Moiety by To, Takahiro, Sakamoto, Yusuke, Sadakane, Koichiro, Matsugami, Masaru, Takamuku, Toshiyuki

    Published in The journal of physical chemistry. B (14-01-2021)
    “…The aggregation of a dipeptide, l-leucine-glycine (Leu-Gly), at 100 mmol dm has been observed in 1,1,1,3,3,3-hexafluoroisopropanol (HFIP)-water and 2-propanol…”
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  5. 5

    K+ promotes the favorable effect of polyamine on gene expression better than Na by Nishio, Takashi, Sugino, Kaito, Yoshikawa, Yuko, Matsumoto, Michiaki, Oe, Yohei, Sadakane, Koichiro, Yoshikawa, Kenichi

    Published in PloS one (03-09-2020)
    “…Polyamines are involved in a wide variety of biological processes including a marked effect on the structure and function of DNA. During our study on the…”
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  6. 6

    Spontaneous Oscillations and Synchronization of Active Droplets on a Water Surface via Marangoni Convection by Chen, Yong-Jun, Sadakane, Koichiro, Sakuta, Hiroki, Yao, Chenggui, Yoshikawa, Kenichi

    Published in Langmuir (31-10-2017)
    “…Shape-oscillations and synchronization are intriguing phenomena in many biological and physical systems. Here, we report the rhythmic mechanical oscillations…”
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  7. 7

    Emergence of Pendular and Rotary Motions of a Centimeter-Sized Metallic Sheet under Stationary Photoirradiation by Harada, Yugo, Koyoshi, Keisuke, Sakuta, Hiroki, Sadakane, Koichiro, Kenmotsu, Takahiro, Yoshikawa, Kenichi

    Published in Journal of physical chemistry. C (08-02-2018)
    “…We report that both rhythmic pendular motion and rotary motion are generated under stationary irradiation by a green laser for a centimeter-sized metallic…”
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  8. 8

    Phase Transition and Dynamics in Imidazolium-Based Ionic Liquid Crystals through a Metastable Highly Ordered Smectic Phase by Nozaki, Yoko, Yamaguchi, Keito, Tomida, Kenji, Taniguchi, Natsumi, Hara, Hironori, Takikawa, Yoshinori, Sadakane, Koichiro, Nakamura, Kenji, Konishi, Takashi, Fukao, Koji

    Published in The journal of physical chemistry. B (16-06-2016)
    “…The phase transition behavior and dynamics of ionic liquid crystals, 1-methyl-3-alkylimidazolium tetrafluoroborate with various alkyl chain lengths, were…”
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  9. 9

    Salting-out and salting-in effects of amphiphilic salt on cloud point of aqueous methylcellulose by Nishida, Koji, Morita, Hideyuki, Katayama, Yutaka, Inoue, Rintaro, Kanaya, Toshiji, Sadakane, Koichiro, Seto, Hideki

    Published in Process biochemistry (1991) (01-08-2017)
    “…[Display omitted] •Methylcellulose (MC) is an amphiphilic water-soluble polymer.•Sodium tetraphenylborate (NaBPh4) is an amphiphilic organic…”
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  10. 10

    Membrane Formation in Liquids by Adding an Antagonistic Salt by Sadakane, Koichiro, Seto, Hideki

    Published in Frontiers in physics (27-03-2018)
    “…Antagonistic salts are composed of hydrophilic and hydrophobic ions. In a binary mixture, such as water and organic solvent, these ion pairs preferentially…”
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  11. 11

    Markedly Different Effects of Monovalent Cations on the Efficiency of Gene Expression by Nishio, Takashi, Masaoka, Tomoya, Yoshikawa, Yuko, Sadakane, Koichiro, Kenmotsu, Takahiro, Schiessel, Helmut, Yoshikawa, Kenichi

    Published in Advanced biology (01-03-2023)
    “…The effect of monovalent cations on a cell‐free transcription–translation (TX–TL) system is examined using a luciferase assay. It is found that the potency for…”
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  12. 12

    Solvation state of sodium tetraphenylborate in 3-methylpyridine and its aqueous solutions by Sadakane, Koichiro, Fujii, Kenta, Tsuzuki, Seiji, Watanabe, Hikari, Umebayashi, Yasuhiro

    Published in Journal of molecular liquids (01-12-2017)
    “…The solvation states of the sodium ion (Na+) and the tetraphenylborate ion (BPh4−) in 3-methylpyridine (3MP) and its mixture with deuterium oxide (D2O) were…”
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  13. 13

    Self-Synchronous Swinging Motion of a Pair of Autonomous Droplets by Sato, Shiho, Sakuta, Hiroki, Sadakane, Koichiro, Yoshikawa, Kenichi

    Published in ACS omega (31-07-2019)
    “…Synchronized motion between two self-running oil droplets floating on an aqueous phase is reported. We describe the results of our observation on the…”
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  14. 14

    Optical Fluid Pump: Generation of Directional Flow via Microphase Segregation/Homogenization by Sakuta, Hiroki, Seo, Shunsuke, Kimura, Shuto, Hörning, Marcel, Sadakane, Koichiro, Kenmotsu, Takahiro, Tanaka, Motomu, Yoshikawa, Kenichi

    Published in The journal of physical chemistry letters (04-10-2018)
    “…We report the successful generation of directional liquid-flow under stationary laser irradiation at a fixed position in a chamber. We adopt a homogeneous…”
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  15. 15

    Repulsive/attractive interaction among compact DNA molecules as judged through laser trapping: difference between linear- and branched-chain polyamines by Kashiwagi, Yusuke, Nishio, Takashi, Ichikawa, Masatoshi, Shew, Chwen-Yang, Umezawa, Naoki, Higuchi, Tsunehiko, Sadakane, Koichiro, Yoshikawa, Yuko, Yoshikawa, Kenichi

    Published in Colloid and polymer science (01-03-2019)
    “…It is well known that polyamines induce a folding transition from an elongated coil to a compact globule state for giant DNA larger than several tens of kbp…”
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  16. 16

    Manipulating Living Cells to Construct Stable 3D Cellular Assembly Without Artificial Scaffold by Yamazaki, Takehiro, Taniguchi, Hiroaki, Tsuji, Shoto, Sato, Shiho, Kenmotsu, Takahiro, Yoshikawa, Kenichi, Sadakane, Koichiro

    Published in Journal of visualized experiments (26-10-2018)
    “…Regenerative medicine and tissue engineering offer several advantages for the treatment of intractable diseases, and several studies have demonstrated the…”
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  17. 17

    Manipulating Living Cells to Construct a 3D Single-Cell Assembly without an Artificial Scaffold by Yoshida, Aoi, Tsuji, Shoto, Taniguchi, Hiroaki, Kenmotsu, Takahiro, Sadakane, Koichiro, Yoshikawa, Kenichi

    Published in Polymers (30-07-2017)
    “…Artificial scaffolds such as synthetic gels or chemically-modified glass surfaces that have often been used to achieve cell adhesion are xenobiotic and may…”
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  18. 18

    Emergence of Many Mini-Circles from a Coffee Suspension with Mechanical Rotation by Ueno, Hiroshi, Shono, Mayu, Ogawa, Momoko, Sadakane, Koichiro, Yoshikawa, Kenichi

    Published in Physics (Online) (01-03-2021)
    “…Drying of an aqueous suspension containing fine granules leads to the formation of a circular pattern, i.e., the coffee-ring effect. Here, we report the effect…”
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  19. 19

    Highly Concentrated Ethanol Solutions: Good Solvents for DNA as Revealed by Single-Molecule Observation by Oda, Yuki, Sadakane, Koichiro, Yoshikawa, Yuko, Imanaka, Tadayuki, Takiguchi, Kingo, Hayashi, Masahito, Kenmotsu, Takahiro, Yoshikawa, Kenichi

    Published in Chemphyschem (16-02-2016)
    “…We observed single DNA molecules at different ethanol concentrations by using fluorescence microscopy. Large single DNA molecules undergo reentrant…”
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  20. 20

    The Effect of Tetraphenylphosphonium Chloride on Phase Behavior and Nanoscale Structures in a Mixture of D2O and 3-Methylpyridine by Sadakane, Koichiro, Horikawa, Yuka, Nagao, Michihiro, Seto, Hideki

    Published in Chemistry letters (2012)
    “…The effects of adding an “inversely antagonistic” salt, tetraphenylphosphonium chloride (PPh4Cl), to a binary mixture of deuterated water and 3-methylpyridine…”
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