Find Research Outputs — Yokohama National University

2016

Magnetically Alignable Bicelles with Unprecedented Stability Using Tunable Surfactants Derived from Cholic Acid

Matsui, R., Uchida, N., Ohtani, M., Yamada, K., Shigeta, A., Kawamura, I., Aida, T. & Ishida, Y. 2016 In : ChemPhysChem.

Research output: Contribution to journal › Article

Surface active agents

Lipids

Phospholipids

Biomimetics

Phase behavior

Polysilsesquioxanes with mixed self-assembled organic tethers: Alkyl chains and alkanoate-aminopropyl pairs

Yoshitake, H., Kodate, T., Takagi, T., Kawamura, I. & Naito, A. 2016 Feb 1 In : Reactive and Functional Polymers. 99, p. 9-16 8 p.

Research output: Contribution to journal › Article

adsorption

MAS

degradation

transition element

aqueous solution

Presence of N-L-lactyl-D-perosamine residue in the sheath-forming polysaccharide of Thiothrix fructosivorans

Kawasaki, Y., Kondo, K., Narizuka, R., Endo, T., Katahira, M., Kawamura, I., Sato, M. & Takeda, M. 2016 Jan 1 In : International Journal of Biological Macromolecules. 82, p. 772-779 8 p.

Research output: Contribution to journal › Article

Aminobenzoates

Polysaccharides

Esters

Benzocaine

Anhydrides

2015

Characterization of photo-intermediates in the photo-reaction pathways of a bacteriorhodopsin Y185F mutant using in situ photo-irradiation solid-state NMR spectroscopy

Oshima, K., Shigeta, A., Makino, Y., Kawamura, I., Okitsu, T., Wada, A., Tuzi, S., Iwasa, T. & Naito, A. 2015 Jun 26 In : Photochemical and Photobiological Sciences. 14, 9, p. 1694-1702 9 p.

Research output: Contribution to journal › Article

Bacteriorhodopsins

Magnetic Resonance Spectroscopy

Temperature

Mechanism for microwave heating of 1-(4'-cyanophenyl)-4-propylcyclohexane characterized by in situ microwave irradiation NMR spectroscopy

Tasei, Y., Yamakami, T., Kawamura, I., Fujito, T., Ushida, K., Sato, M. & Naito, A. 2015 In : Journal of Magnetic Resonance. 254, p. 27-34 8 p., 5602

Research output: Contribution to journal › Article

Microwave irradiation

Temperature

Microwave heating

Crystalline materials

Liquids

1 Citations

Recent Solid-State NMR Studies of Membrane-Bound Peptides and Proteins

Naito, A., Kawamura, I. & Javkhlantugs, N. 2015 In : Annual Reports on NMR Spectroscopy.

Research output: Contribution to journal › Article

Peptides

Proteins

Membranes

Magic angle spinning

Nuclear magnetic resonance

4 Citations

Structure and orientation of antibiotic peptide alamethicin in phospholipid bilayers as revealed by chemical shift oscillation analysis of solid state nuclear magnetic resonance and molecular dynamics simulation

Nagao, T., Mishima, D., Javkhlantugs, N., Wang, J., Ishioka, D., Yokota, K., Norisada, K., Kawamura, I., Ueda, K. & Naito, A. 2015 Nov 15 In : Biochimica et Biophysica Acta - Biomembranes. 1848, 11, p. 2789-2798 10 p.

Research output: Contribution to journal › Article

Alamethicin

Molecular Dynamics Simulation

Phospholipids

Magnetic Resonance Spectroscopy

Anti-Bacterial Agents

1 Citations

The microwave heating mechanism of N-(4-methoxybenzyliden)-4-butylaniline in liquid crystalline and isotropic phases as determined using in situ microwave irradiation NMR spectroscopy

Tasei, Y., Tanigawa, F., Kawamura, I., Fujito, T., Sato, M. & Naito, A. 2015 Apr 14 In : Physical Chemistry Chemical Physics. 17, 14, p. 9082-9 8 p.

Research output: Contribution to journal › Article

Microwave irradiation

Temperature

Microwave heating

Crystalline materials

Liquids

2014

1 Citations

Color-discriminating retinal configurations of sensory rhodopsin i by photo-irradiation solid-state NMR spectroscopy

Yomoda, H., Makino, Y., Tomonaga, Y., Hidaka, T., Kawamura, I., Okitsu, T., Wada, A., Sudo, Y. & Naito, A. 2014 Jul 1 In : Angewandte Chemie - International Edition. 53, 27, p. 6960-6964 5 p.

Research output: Contribution to journal › Article

Lighting

Irradiation

Color

Nuclear magnetic resonance spectroscopy

Photochemical reactions

4 Citations

Interaction of extracellular loop II of κ-opioid receptor (196-228) with opioid peptide dynorphin in membrane environments as revealed by solid state nuclear magnetic resonance, quartz crystal microbalance and molecular dynamics simulation

Kira, A., Javkhlantugs, N., Miyamori, T., Sasaki, Y., Eguchi, M., Kawamura, I., Ueda, K. & Naito, A. 2014 Aug 14 In : Journal of Physical Chemistry B. 118, 32, p. 9604-9612 9 p.

Research output: Contribution to journal › Article

Membranes

Quartz crystal microbalances

Lipids

Molecular dynamics

Amino acids

2013

4 Citations

Characterization of the spherical intermediates and fibril formation of hCT in HEPES solution using solid-state ¹³C-NMR and transmission electron microscopy

Itoh-Watanabe, H., Kamihira-Ishijima, M., Kawamura, I., Kondoh, M., Nakakoshi, M., Sato, M. & Naito, A. 2013 Oct 21 In : Physical Chemistry Chemical Physics. 15, 39, p. 16956-16964 9 p.

Research output: Contribution to journal › Article

Acids

Acetic acid

Elongation

Phosphates

Transmission electron microscopy

7 Citations

Drastic sensitivity enhancement in ²⁹Si MAS NMR of zeolites and mesoporous silica materials by paramagnetic doping of Cu²⁺

Inagaki, S., Kawamura, I., Sasaki, Y., Yoshida, K., Kubota, Y. & Naito, A. 2013 Aug 28 In : Physical Chemistry Chemical Physics. 15, 32, p. 13523-13531 9 p.

Research output: Contribution to journal › Article

Silica

Zeolites

Relaxation time

Silicates

Nuclear magnetic resonance

14 Citations

Enantioselective photochromism of diarylethenes in human serum albumin

Fukagawa, M., Kawamura, I., Ubukata, T. & Yokoyama, Y. 2013 Jul 15 In : Chemistry - A European Journal. 19, 29, p. 9434-9437 4 p.

Research output: Contribution to journal › Article

Serum Albumin

4 Citations

Grafting of paired 3-aminopropyltrialkoxy silanes onto mesoporous silica and adsorptions of isomers of benzenedialdehydes

Yoshitake, H., Koizumi, T., Kawamura, I. & Naito, A. 2013 Mar 21 In : Physical Chemistry Chemical Physics. 15, 11, p. 3946-3954 9 p.

Research output: Contribution to journal › Article

Adsorption

Isomers

Adsorbents

Silica

Adsorbates

77 Citations

Solid-state NMR spectroscopy structure determination of a lipid-embedded heptahelical membrane protein

Wang, S., Munro, R. A., Shi, L., Kawamura, I., Okitsu, T., Wada, A., Kim, S. Y., Jung, K. H., Brown, L. S. & Ladizhansky, V. 2013 Oct 1 In : Nature Methods. 10, 10, p. 1007-1012 6 p.

Research output: Contribution to journal › Article

Membrane Proteins

Magnetic Resonance Spectroscopy

Lipids

Sensory Rhodopsins

Anabaena

2012

2 Citations

Change in local dynamics of bacteriorhodopsin with retinal isomerization under pressure as studied by fast magic angle spinning NMR

Kawamura, I., Yamaguchi, S., Nishikawa, H., Tajima, K., Horigome, M., Tuzi, S., Saitǒ, H. & Naito, A. 2012 Aug 1 In : Polymer Journal. 44, 8, p. 863-867 5 p.

Research output: Contribution to journal › Article

Nuclear magnetic resonance

Magic angle spinning

Isomerization

Proteins

Polymers

6 Citations

Characterization of amorphized zeolite a by combining high-energy X-ray diffraction and high-resolution transmission electron microscopy

Sato, K., Wakihara, T., Kohara, S., Ohara, K., Tatami, J., Endo, A., Inagaki, S., Kawamura, I., Naito, A. & Kubota, Y. 2012 Dec 6 In : Journal of Physical Chemistry C. 116, 48, p. 25293-25299 7 p.

Research output: Contribution to journal › Article

Amorphization

High resolution transmission electron microscopy

Compressive stress

X ray diffraction

Zeolites

11 Citations

Structure and orientation of bovine lactoferrampin in the mimetic bacterial membrane as revealed by solid-state NMR and molecular dynamics simulation

Tsutsumi, A., Javkhlantugs, N., Kira, A., Umeyama, M., Kawamura, I., Nishimura, K., Ueda, K. & Naito, A. 2012 Oct 17 In : Biophysical Journal. 103, 8, p. 1735-1743 9 p.

Research output: Contribution to journal › Article

Molecular Dynamics Simulation

Membranes

Quartz Crystal Microbalance Techniques

Ion-Selective Electrodes

Phospholipids

2011

7 Citations

An active photoreceptor intermediate revealed by in situ photoirradiated solid-state NMR spectroscopy

Tomonaga, Y., Hidaka, T., Kawamura, I., Nishio, T., Ohsawa, K., Okitsu, T., Wada, A., Sudo, Y., Kamo, N., Ramamoorthy, A. & Naito, A. 2011 Nov 16 In : Biophysical Journal. 101, 10

Research output: Contribution to journal › Article

Sensory Rhodopsins

Transducers

Magnetic Resonance Spectroscopy

Membranes

64 Citations

Conformation of a seven-helical transmembrane photosensor in the lipid environment

Shi, L., Kawamura, I., Jung, K. H., Brown, L. S. & Ladizhansky, V. 2011 Feb 7 In : Angewandte Chemie - International Edition. 50, 6, p. 1302-1305 4 p.

Research output: Contribution to journal › Article

Lipids

Conformations

Nuclear magnetic resonance spectroscopy

Proteins

Experiments

15 Citations

Site-specific solid-state NMR detection of hydrogen-deuterium exchange reveals conformational changes in a 7-helical transmembrane protein

Wang, S., Shi, L., Kawamura, I., Brown, L. S. & Ladizhansky, V. 2011 Aug 3 In : Biophysical Journal. 101, 3

Research output: Contribution to journal › Article

Deuterium

Hydrogen

Proteins

Sensory Rhodopsins

Anabaena

2009

5 Citations

Participation of the BC loop in the correct folding of bacteriorhodopsin as revealed by solid-state NMR

Kawamura, I., Tanabe, J., Ohmine, M., Yamaguchi, S., Tuzi, S. & Naito, A. 2009 Mar 1 In : Photochemistry and Photobiology. 85, 2, p. 624-630 7 p.

Research output: Contribution to journal › Article

Bacteriorhodopsins

Opsins

Proteins

2008

7 Citations

Dynamics change of phoborhodopsin and transducer by activation: Study Using D75N Mutant of the Receptor by Site-directed Solid-state ¹³C NMR

Kawamura, I., Yoshida, H., Ikeda, Y., Yamaguchi, S., Tuzi, S., Saitô, H., Kamo, N. & Naito, A. 2008 Jul 1 In : Photochemistry and Photobiology. 84, 4, p. 921-930 10 p.

Research output: Contribution to journal › Article

Transducers

Sensory Rhodopsins

Rhodopsin

Cytoplasm

Salts