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Research Output 1983 2020

Aggregation states and swelling/shrinking properties of (inorganic nanofiber/poly(N-isopropylacrylamide)) hybrid hydrogel

Inoue, N., Otsuka, H., Wada, S. L., Masahiko, A. & Takahara, A., 2006, Polymer Preprints, Japan - 55th SPSJ Annual Meeting. 1 ed. Vol. 55. p. 1020 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nanofibers
Hydrogels
Swelling
Agglomeration
Aluminosilicates
2 Citations (Scopus)

A new broad band probe covering from 31 P- to 35 Cl-nuclear magnetic resonance

Seki, H., Ikeda, H., Tokunaga, T., Utsumi, H., Annaka, M. & Yamaguchi, K., Mar 2000, In : analytical sciences. 16, 3, p. 333-334 2 p.

Research output: Contribution to journalArticle

Open Access
Nuclear magnetic resonance

Anisotropic frequency response of critical density fluctuation of NIPA gel under oscillation shear

Sugiyama, M., Vigild, M. E., Fukunaga, T., Itoh, K., Mori, K., Sato, T. & Masahiko, A., Nov 27 2006, In : Physica B: Condensed Matter. 385-386 I, p. 804-806 3 p.

Research output: Contribution to journalArticle

frequency response
Frequency response
Gels
gels
shear

Anisotropic swelling behavior of the cornea

Masahiko, A., Matsuura, T., Ota, T., Nochioka, K. & Hara, Y., Nov 1 2010, In : Folia Japonica de Ophthalmologica Clinica. 3, 11, p. 1180-1186 7 p.

Research output: Contribution to journalArticle

Cornea
13 Citations (Scopus)

Anisotropic swelling behavior of the cornea

Matsuura, T., Ikeda, H., Idota, N., Motokawa, R., Hara, Y. & Masahiko, A., Dec 24 2009, In : Journal of Physical Chemistry B. 113, 51, p. 16314-16322 9 p.

Research output: Contribution to journalArticle

cornea
collagens
Collagen
swelling
Cornea
2 Citations (Scopus)
acrylic acid
Acrylics
Gels
Phase transitions
Fluorescence
1 Citation (Scopus)

Asymmetric swelling and self-assembly of poly(N-isopropyl-acrylamide)-block-poly(ethylene glycol) in water

Motokawa, R., Morishita, K., Koizumi, S., Yoshimoto, E. & Annaka, M., Nov 27 2006, In : Physica B: Condensed Matter. 385-386 I, p. 745-748 4 p.

Research output: Contribution to journalArticle

swelling
Self assembly
Polyethylene glycols
Swelling
self assembly
83 Citations (Scopus)

Biocompatibility of polyvinylalcohol gel as a vitreous substitute

Maruoka, S., Matsuura, T., Kawasaki, K., Okamoto, M., Yoshiaki, H., Kodama, M., Sugiyama, M. & Masahiko, A., Aug 1 2006, In : Current Eye Research. 31, 7-8, p. 599-606 8 p.

Research output: Contribution to journalArticle

Gels
Intraocular Pressure
Retina
Blood-Aqueous Barrier
Blood-Retinal Barrier
2 Citations (Scopus)

Changing the volume of a giant macrocycle: The swelling of the macrocycle with organic solvents

Harano, A., Tanaka, M., Nakagaki, T., Annaka, M., Ideta, K., Goto, K. & Shinmyozu, T., May 21 2011, In : Organic and Biomolecular Chemistry. 9, 10, p. 3611-3614 4 p.

Research output: Contribution to journalArticle

Complexation
swelling
Organic solvents
Swelling
Molecules
1 Citation (Scopus)

Classification of Alkali Halide aqueous solutions by Kubo number

Amo, Y., Annaka, M. & Tominaga, Y., Jul 2002, In : Journal of Molecular Liquids. 100, 2, p. 143-151 9 p.

Research output: Contribution to journalArticle

Telegraph
Alkali halides
alkali halides
aqueous solutions
harmonic oscillators
7 Citations (Scopus)

Comparative SANS and SAXS studies on a mesoscopically heterogeneous structure in the dehydrated NIPA/SA gel

Sugiyama, M., Masahiko, A., Motokawa, R., Kuwajima, S. & Hara, K., Jan 1 2002, In : Physica B: Condensed Matter. 311, 1-2, p. 90-94 5 p.

Research output: Contribution to journalArticle

acrylates
Neutron scattering
X ray scattering
neutron scattering
Gels
14 Citations (Scopus)

Condition for multiple phases of polymer gels

Annaka, M., Mar 1 1994, In : Phase Transitions. 47, 3-4, p. 143-159 17 p.

Research output: Contribution to journalArticle

Polymers
Gels
gels
polymers
Phase behavior

Critical behaviour of high density NIPA gel

Sugiyama, M., Akai, Y., Itoh, K., Mori, K., Fukunaga, T. & Masahiko, A., Apr 2004, In : KURRI Progress Report. p. 11 1 p., 1.08.

Research output: Contribution to journalArticle

Gels
gels
2 Citations (Scopus)

Dehydration and vitrification of corneal gel

Masahiko, A., Matsuura, T., Maruoka, S. & Ogata, N., Aug 21 2012, In : Soft Matter. 8, 31, p. 8157-8163 7 p.

Research output: Contribution to journalArticle

vitrification
Vitrification
Dehydration
dehydration
Gels
19 Citations (Scopus)

Design of an injectable in situ gelation biomaterials for vitreous substitute

Annaka, M., Mortensen, K., Vigild, M. E., Matsuura, T., Tsuji, S., Ueda, T. & Tsujinaka, H., Nov 14 2011, In : Biomacromolecules. 12, 11, p. 4011-4021 11 p.

Research output: Contribution to journalArticle

Biocompatible Materials
Gelation
Biomaterials
Polymers
Mechanical stability
27 Citations (Scopus)

Dimension of poly(2-methacryloyloxyethyl phosphorylcholine) in aqueous solutions with various ionic strength

Matsuda, Y., Kobayashi, M., Masahiko, A., Ishihara, K. & Takahara, A., Nov 5 2006, In : Chemistry Letters. 35, 11, p. 1310-1311 2 p.

Research output: Contribution to journalArticle

Ionic strength
Dynamic light scattering
Polyelectrolytes
poly(2-methacryloyloxyethyl-phosphorylcholine)
62 Citations (Scopus)

Dimensions of a free linear polymer and polymer immobilized on silica nanoparticles of a zwitterionic polymer in aqueous solutions with various ionic strengths

Matsuda, Y., Kobayashi, M., Masahiko, A., Ishihara, K. & Takahara, A., Aug 19 2008, In : Langmuir. 24, 16, p. 8772-8778 7 p.

Research output: Contribution to journalArticle

Ionic strength
Silicon Dioxide
Polymers
light scattering
Silica
2 Citations (Scopus)

Dynamic light scattering study of pig vitreous body

Matsuura, T., Idota, N., Hara, Y. & Masahiko, A., Dec 1 2009, Gels: Structures, Properties, and Functions. Tokita, M. & Katsuyoshi (eds.). p. 195-204 10 p. (Progress in Colloid and Polymer Science; vol. 136).

Research output: Chapter in Book/Report/Conference proceedingChapter

swine
Dynamic light scattering
Collagen
light scattering
collagens
3 Citations (Scopus)

Dynamic light scattering study of salt effect on phase behavior of pig vitreous body and its microscopic implication

Masahiko, A., Okamoto, M., Matsuura, T., Yoshiakl Hará, N. & Sasaki, S., Jul 26 2007, In : Journal of Physical Chemistry B. 111, 29, p. 8411-8418 8 p.

Research output: Contribution to journalArticle

swine
Dynamic light scattering
Phase behavior
light scattering
collagens

Dynamic light scattering study of salt effect on phase behavior of pig vitreous body and its microscopic implication

Matsuura, T., Annaka, M., Okamoto, M., Tsujinaka, H. & Hara, Y., Nov 1 2010, In : Folia Japonica de Ophthalmologica Clinica. 3, 11, p. 1107-1112 6 p.

Research output: Contribution to journalArticle

Vitreous Body
Swine
Salts
Dynamic Light Scattering

Dynamic light scattering study on pig cornea

Annaka, M., Matsuura, T., Shimoyama, K., Nochioka, K. & Hara, Y., Nov 1 2010, In : Folia Japonica de Ophthalmologica Clinica. 3, 11, p. 1101-1106 6 p.

Research output: Contribution to journalArticle

Cornea
Swine
Dynamic Light Scattering
4 Citations (Scopus)

Dynamic light scattering study on the calf vitreous body

Matsuura, T., Hara, Y., Maruoka, S., Kawasaki, S., Sasaki, S. & Annaka, M., Oct 5 2004, In : Macromolecules. 37, 20, p. 7784-7790 7 p.

Research output: Contribution to journalArticle

Dynamic light scattering
Collagen
Filled polymers
Autocorrelation
Gels
25 Citations (Scopus)

Effective separation of peptides using highly dense thermo-responsive polymer brush-grafted porous polystyrene beads

Mizutani, A., Nagase, K., Kikuchi, A., Kanazawa, H., Akiyama, Y., Kobayashi, J., Masahiko, A. & Okano, T., Aug 1 2010, In : Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences. 878, 24, p. 2191-2198 8 p.

Research output: Contribution to journalArticle

Polystyrenes
Brushes
Polymers
Peptides
Atom transfer radical polymerization

Effect of charge transfer on bandshape analysis for low-wavenumber Raman spectra of alkali metal halide aqueous solutions

Amo, Y., Masahiko, A. & Tominaga, Y., Oct 1 2002, In : Journal of Raman Spectroscopy. 33, 10, p. 829-832 4 p.

Research output: Contribution to journalArticle

Alkali Metals
Metal halides
Alkali metals
Charge transfer
Raman scattering
9 Citations (Scopus)

Effect of salt and heating on a mesoscopic structure composed of ovalbumin globules in aqueous solution

Sugiyama, M., Nakamura, A., Hiramatsu, N., Annaka, M., Kuwajima, S. & Hara, K., Dec 1 2001, In : Biomacromolecules. 2, 4, p. 1071-1073 3 p.

Research output: Contribution to journalArticle

Ovalbumin
Heating
Salts
Neutron scattering
Electrostatics
33 Citations (Scopus)

Effects of micelle-to-vesicle transitions on the degree of counterion binding

Ono, Y., Kawasaki, H., Annaka, M. & Maeda, H., Jul 15 2005, In : Journal of Colloid And Interface Science. 287, 2, p. 685-693 9 p.

Research output: Contribution to journalArticle

Micelles
didodecyldimethylammonium
Surface charge
Charge density
Bromides
15 Citations (Scopus)

Effects of side-chain structure and solvent on intramolecular hydrogen bonding in isotactic poly(methacrylamide)s

Nakahira, T., Fan, L., Boon, C. T., Fukada, T., Karato, T., Annaka, M. & Yoshikuni, M., Jan 1 1998, In : Polymer Journal. 30, 11, p. 910-914 5 p.

Research output: Contribution to journalArticle

Hydrogen bonds
Hydrogen
Trifluoroacetic acid
Trifluoroacetic Acid
Chromophores
45 Citations (Scopus)

Electrostatic self-assembly of neutral and polyelectrolyte block copolymers and oppositely charged surfactant

Masahiko, A., Morishita, K. & Okabe, S., Oct 11 2007, In : Journal of Physical Chemistry B. 111, 40, p. 11700-11707 8 p.

Research output: Contribution to journalArticle

Polyelectrolytes
block copolymers
Static Electricity
Surface-Active Agents
Self assembly
33 Citations (Scopus)

Enantiodivergent total syntheses of (—)-nanaomycin D and its enantiomer, (+)-kalafungin

Tatsuta, K., Akimoto, K., Masahiko, A., Ohno, Y. & Kinoshita, M., Jan 1 1985, In : Journal of Antibiotics. 38, 5, p. 680-682 3 p.

Research output: Contribution to journalLetter

92 Citations (Scopus)

Enantiodivergent total syntheses of nanaomycins and their enantiomers, kalafungins

Tatsuta, K., Akimoto, K., Annaka, M., Ohno, Y. & Kinoshita, M., Jan 1 1985, In : Bulletin of the Chemical Society of Japan. 58, 6, p. 1699-1706 8 p.

Research output: Contribution to journalArticle

Enantiomers
Pyrans
Rhamnose
Condensation
Anti-Bacterial Agents

Erratum: Thermoresponsive polymer brush surfaces with hydrophobic groups for all-aqueous chromatography (ACS Applied Materials & Interfaces (2010) 2 (1247)

Nagase, K., Kumazaki, M., Kanazawa, H., Kobayashi, J., Kikuchi, A., Akiyama, Y., Annaka, M. & Okano, T., Dec 22 2010, In : ACS Applied Materials and Interfaces. 2, 12, 1 p.

Research output: Contribution to journalComment/debate

Brushes
Chromatography
Polymers
11 Citations (Scopus)

Fluorescence study on multiple phase behavior of dimethylacrylamide- methacrylic acid copolymer gel

Annaka, M., Noda, H., Motokawa, R. & Nakahira, T., Sep 17 2001, In : polymer. 42, 25, p. 9887-9894 8 p.

Research output: Contribution to journalArticle

Phase behavior
Swelling
Gels
Copolymers
Fluorescence
49 Citations (Scopus)

Fluorescence study on the swelling behavior of comb-type grafted poly(N-isopropylacrylamide) hydrogels

Annaka, M., Tanaka, C., Nakahira, T., Sugiyama, M., Aoyagi, T. & Okano, T., Oct 8 2002, In : Macromolecules. 35, 21, p. 8173-8179 7 p.

Research output: Contribution to journalArticle

Hydrogels
Swelling
Gels
Fluorescence
Agglomeration
14 Citations (Scopus)

Fractal structures of a poly(N-isopropylacrylamide) gel studied by small-angle neutron scattering over a Q-range from 10-5 to 0.1 angstrom-1

Koizumi, S., Annaka, M., Borbely, S. & Schwahn, D., Jan 1 2000, In : Physica B: Condensed Matter. 276, 278, p. 367-368 2 p.

Research output: Contribution to journalArticle

Diffractometers
pinholes
Neutron scattering
diffractometers
Fractals
13 Citations (Scopus)

Friction Coefficient of Well-Defined Hydrogel Networks

Fujiki, M., Ito, M., Mortensen, K., Yashima, S., Tokita, M. & Masahiko, A., Jan 26 2016, In : Macromolecules. 49, 2, p. 634-642 9 p.

Research output: Contribution to journalArticle

Hydrogel
Hydrogels
Gels
Friction
Polymers
9 Citations (Scopus)

Frozen concentration fluctuations in a poly(N-isopropyl acrylamide) gel studied by neutron spin echo and small-angle neutron scattering

Koizumi, S., Monkenbusch, M., Richter, D., Schwahn, D., Farago, B. & Annaka, M., Dec 1 2002, In : Applied Physics A: Materials Science and Processing. 74, SUPPL.I, p. S399-S401

Research output: Contribution to journalArticle

Neutron scattering
echoes
Neutrons
neutron scattering
Gels
54 Citations (Scopus)

Frustrations in polymer conformation in gels and their minimization through molecular imprinting

Enoki, T., Tanaka, K., Watanabe, T., Oya, T., Sakiyama, T., Takeoka, Y., Ito, K., Wang, G., Annaka, M., Hara, K., Du, R., Chuang, J., Wasserman, K., Grosberg, A. Y., Masamune, S. & Tanaka, T., Dec 4 2000, In : Physical Review Letters. 85, 23, p. 5000-5003 4 p.

Research output: Contribution to journalArticle

frustration
monomers
gels
optimization
polymers

Gelation of fish gelatin studied by multi-particle tracking method

Maki, Y. & Annaka, M., Apr 2020, In : Food Hydrocolloids. 101, 105525.

Research output: Contribution to journalArticle

Gelation
Gelatin
gelation
gelatin
Fish
1 Citation (Scopus)

Heat-Induced Evolution of the Mesoscopic Structure of Dehydrated Poly(vinyl alcohol) Gel

Sugiyama, M., Masahiko, A. & Hara, K., Apr 2002, In : Journal of the Physical Society of Japan. 71, 4, p. 1035-1038 4 p.

Research output: Contribution to journalArticle

alcohols
gels
linkages
heat
polymers
5 Citations (Scopus)

Highly controlled side-chain chromophore orientation in poly [N5-1-(1-pyrenyl)ethyl-L-glutamines]

Shoji, O., Nakajima, D., Annaka, M., Yoshikuni, M. & Nakahira, T., Jan 7 2002, In : polymer. 43, 5, p. 1711-1714 4 p.

Research output: Contribution to journalArticle

Dichroism
Chromophores
Glutamine
Pyrene
Polymer solutions
51 Citations (Scopus)

Influence of graft interface polarity on hydration/dehydration of grafted thermoresponsive polymer brushes and steroid separation using all-aqueous chromatography

Nagase, K., Kobayashi, J., Kikuchi, A., Akiyama, Y., Annaka, M., Kanazawa, H. & Okano, T., Oct 7 2008, In : Langmuir. 24, 19, p. 10981-10987 7 p.

Research output: Contribution to journalArticle

Silanes
steroids
brushes
Brushes
chromatography
14 Citations (Scopus)

Intramolecular hydrogen bonding in isotactic poly(methacrylamide)s and its implications for control of side-chain orientation

Nakahira, T., Lin, F., Boon, C. T., Karato, T., Annaka, M., Yoshikuni, M. & Iwabuchi, S., Jan 1 1997, In : Polymer Journal. 29, 8, p. 701-704 4 p.

Research output: Contribution to journalArticle

Chlorine Compounds
Molecular orientation
Energy transfer
Nuclear magnetic resonance spectroscopy
Infrared spectroscopy
42 Citations (Scopus)

Liquid crystalline inorganic nanosheets for facile synthesis of polymer hydrogels with anisotropies in structure, optical property, swelling/deswelling, and ion transport/fixation

Miyamoto, N., Shintate, M., Ikeda, S., Hoshida, Y., Yamauchi, Y., Motokawa, R. & Annaka, M., Feb 4 2013, In : Chemical Communications. 49, 11, p. 1082-1084 3 p.

Research output: Contribution to journalArticle

Hydrogels
Nanosheets
Swelling
Polymers
Anisotropy
10 Citations (Scopus)

Micelle-vesicle transition of oleyldimethylamine oxide in water

Miyahara, M., Kawasaki, H., Garamus, V. M., Nemoto, N., Kakehashi, R., Tanaka, S., Masahiko, A. & Maeda, H., Nov 15 2004, In : Colloids and Surfaces B: Biointerfaces. 38, 3-4 SPEC. ISS., p. 131-138 8 p.

Research output: Contribution to journalArticle

Micelles
Oxides
micelles
light scattering
oxides
22 Citations (Scopus)

Microscopic implication of rapid shrinking of comb-type grafted poly(N-isopropylacrylamide) hydrogels

Matsuura, T., Sugiyama, M., Annaka, M., Hara, Y. & Okano, T., Jul 10 2003, In : polymer. 44, 16, p. 4405-4409 5 p.

Research output: Contribution to journalArticle

Hydrogels
Agglomeration
Gels
X ray scattering
Dehydration

Multinuclear NMR study on the sol-gel transition of aqueous κ-and λ-carrageenan solutions: Selective site binding of group I cations

Annaka, M., Suzuki, K., Takahashi, R., Nakahira, T., Tokita, M., Utsumi, H. & Seki, H., Dec 1 2000, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 39, 7 A, p. 4094-4099 6 p.

Research output: Contribution to journalArticle

Alkali metals
Binding sites
alkali metals
Sol-gels
Positive ions
16 Citations (Scopus)

Multinuclear NMR study on the sol-gel transition of gellan gum

Annaka, M., Honda, J. I., Nakahira, T., Seki, H. & Tokita, M., Dec 1 1999, In : Progress in Colloid and Polymer Science. 114, p. 25-30 6 p.

Research output: Contribution to journalArticle

Sol-gels
Nuclear magnetic resonance
gels
nuclear magnetic resonance
Cations
2 Citations (Scopus)

Multiple-phase behavior and its microscopic implication for 4-acrylamidosalicylic acid gel

Annaka, M., Shibayama, M., Ikkai, F., Sugiyama, M., Hara, K., Nakahira, T. & Tanaka, T., Apr 15 2001, In : Journal of Chemical Physics. 114, 15, p. 6906-6912 7 p.

Research output: Contribution to journalArticle

Phase behavior
Gels
gels
acids
Acids
1 Citation (Scopus)

Multiple-phase behavior and memory effect of polymer gel

Masahiko, A., Motokawa, R., Nakahira, T., Sugiyama, M., Hara, K. & Matsuura, T., Dec 1 2002, In : Applied Physics A: Materials Science and Processing. 74, SUPPL.I

Research output: Contribution to journalArticle

Phase behavior
Polymers
Gels
gels
Data storage equipment
11 Citations (Scopus)

Multiple Phases of Copoly(acrylic acid/styrene) Gels

Masahiko, A., Berling, D., Robert, J. & Tanaka, T., Jan 1 1993, In : Macromolecules. 26, 12, p. 3234-3235 2 p.

Research output: Contribution to journalEditorial

Styrene
Acrylics
Gels
Acids
Phase behavior