Kikuchi,
J.; Asakura, T., Use of 13C conformation-dependent chemical shifts
to elucidate the local structure of a large protein with homologous domains in
solution and solid state. Journal of
Biochemical and Biophysical Methods 1999,
38, 203-208.
Kikuchi,
J.; Asakura, T.; Loach, P. A.; Parkes-Loach, P. S.; Shimada, K.; Hunter, C. N.;
Conroy, M. J.; Williamson, M. P., A light-harvesting antenna protein retains
its folded conformation in the absence of protein-lipid and protein-pigment
interactions. Biopolymers 1999, 49, 361-372.
Iwadate,
M.; Asakura, T.; Williamson, M. P., Ca and Cb 13C chemical shifts in
proteins from an empirical database. Journal
of Biomolecular NMR 1999, 13,
199-211.
Asakura,
T.; Iwadate, M.; Demura, M.; Williamson, M. P., Structural analysis of silk
with 13C NMR chemical shift contour plots. International Journal of Biological Macromolecules 1999, 24, 167-171.
Asakura,
T.; Ito, T.; Okudaira, M.; Kameda, T., Structure of Alanine and Glycine
Residues of Samia cynthia ricini Silk
Fibers Studied with Solid-State 15N and 13C NMR. Macromolecules 1999, 32, 4940-4946.
Ueki,
M.; Ikeo, T.; Iwadate, M.; Asakura, T.; Williamson, M. P.; Slaninova, J., Solid
phase synthesis and biological activities of [Arg8]-vasopressin
methylenedithioether. Bioorganic &
Medicinal Chemistry Letters 1999,
9, 1767-1772.
Hori,
Y.; Demura, M.; Niidome, T.; Aoyagi, H.; Asakura, T., Orientational behavior of
phospholipid membranes with mastoparan studied by 31P solid state NMR. FEBS Letters 1999, 455, 228-232.
Kameda,
T.; Ohkawa, Y.; Yoshizawa, K.; Naito, J.; Ulrich,
Nakazawa,
Y.; Nakai, T.; Kameda, T.; Asakura, T., A 13C NMR study on the
structural change of silk fibroin from Samia
cynthia ricini. Chemical Physics
Letters 1999, 311, 362-366.
Kameda,
T.; Ohkawa, Y.; Yoshizawa, K.; Nakano, E.; Hiraoki, T.; Ulrich,
Ito,
T.; Maruhashi, Y.; Demura, M.; Asakura, T., 13C solid state NMR
study on uniaxially oriented poly(L-lactic acid) films. Polymer 1999, 41,
859-866.
Higuchi,
A.; Uchiyama, S.; Demura, M.; Asakura, T.; Cho, C.-S.; Akaike, T.; Takarada,
H.; Hara, M., Enhanced CEA production associated with aspirin in a culture of
CW2 cells on some polymeric films. Cytotechnology
1999, 31, 233-242.
Nishikawa,
N.; Horiguchi, Y.; Asakura, T.; Ando,
Kikuchi,J.; Mitsui,Y.; Asakura,T.; Hasuda,K.;
Araki,H.; Owaku,K. Spectroscopic investigation of tertiary fold of
staphylococcal protein A to explore its engineering application with silk, Biomaterials,1999,
20, 647-654.
Asakura,
T.; Demura, M., Structure and Dynamics of Silk Fibroin Studied with 13C,
15N and 2H Solid State NMR, Macromol., Macromolecular
Symposia, 1999, 143, 1-10.
Nishikawa,
N.; Tanizawa, Y.; Tanaka, S.; Horiguchi, Y.; Matsuno, H.; Asakura, T., 13C
NMR studies of keratin intermediate filament of human hair. Polymer 1998, 39, 1001-1004.
Demura,
M.; Minami, M.; Asakura, T.; Cross, T. A., Structure of Bombyx mori Silk Fibroin Based on Solid-State NMR Orientational
Constraints and Fiber Diffraction Unit Cell Parameters. J. Am. Chem. Soc. 1998,
120, 1300-1308.
Nishikawa,
N.; Tanizawa, Y.; Tanaka, S.; Horiguchi, Y.; Matsuno, H.; Asakura, T., pH
Dependence of the coiled-coil structure of keratin intermediate filament in
human hair by 13C NMR spectroscopy and the mechanism of its
disruption. Polymer Journal 1998, 30, 125-132.
Demura,
M.; Yamazaki, Y.; Asakura, T.; Ogawa, K., Structure of uniaxially aligned 13C
labeled silk fibroin fibers with solid state 13C-NMR. Journal of Molecular Structure 1998, 441, 155-163.
Nishiyama,
N.; Asakura, T.; Suzuki, K.; Sato, T.; Nemoto, K., Adhesion mechanisms of resin
to etched dentin primed with N-methacryloyl glycine studied by 13C-NMR.
Journal of Biomedical Materials Research 1998, 40, 458-463.
Asakura,
T.; Yamazaki, Y.; Seng, K. W.; Demura, M., Determination of the mutual
orientation of the 15N and 13C NMR chemical shift tensors
of 13C-15N double labeled model peptides for silk fibroin
from the dipolar-coupled powder patterns. Journal
of Molecular Structure 1998,
446, 179-190.
Nishikawa,
N.; Tanizawa, Y.; Tanaka, S.; Horiguchi, Y.; Asakura, T., Structural change of
keratin protein in human hair by permanent waving treatment. Polymer 1998, 39, 3835-3840.
Iwadate,
M.; Asakura, T.; Williamson, M. P., The structure of the melittin tetramer at
different temperatures. An NOE-based calculation with chemical shift
refinement. European Journal of
Biochemistry 1998, 257, 479-487.
Asakura,
T.; Demura, M.; Date, T.; Miyashita, N.; Ogawa, K.; Williamson, M. P., NMR
study of silk I structure of Bombyx mori
silk fibroin with 15N- and 13C-NMR chemical shift contour
plots. Biopolymers 1997, 41, 193-203.
Asakura,
T.; Minami, M.; Shimada, R.; Demura, M.; Osanai, M.; Fujito, T.; Imanari, M.;
Ulrich,
Suzuki,
K.; Nishiyama, N.; Nemoto, K.; Asakura, T.; Nakai, H., Effects of
N-methacryloyl-w-amino acid primer pretreatment on the bond strength of the
resin to acid-etched dentin. Journal of
Biomedical Materials Research 1997,
37, 261-266.
Asakura,T.;
Iwadate,M.; Date,T.;Demura,M.;Nokihara,K. Refinement of the Solution Structure
of Neurokinin A (4-10) on the Basis of 1H NMR Chemical Shift
Calculations, Peptide Chemistry, 1997. 345-348.
Asakura,
T.; Aoki, A.; Date, T.; Demura, M.; Asanuma, T., High-resolution solid-state 13C
NMR spectroscopy of polypropylene with very high syndiospecificity. Polymer Journal 1996, 28, 24-29.
Asakura,
T.; Konakazawa, T.; Demura, M.; Ito, T.; Maruhashi, Y., Structural analysis of
uniaxially oriented 13C-labeled poly(ethylene terephthalate) films
studied with solid-state 13C nuclear magnetic resonance
spectroscopy. Polymer 1996, 37, 1965-1973.
Nishiyama,
N.; Suzuki, K.; Asakura, T.; Nakai, H.; Yasuda, S.; Nemoto, K., The effects of
pH of N-methacryloyl glycine primer on bond strength to acid-etched dentin. Journal of Biomedical Materials Research 1996, 31, 379-384.
Uchiyama,
T.; Woltering, T. J.; Wong, W.; Lin, C.-C.; Kajimoto, T.; Takebaashi, M.;
Weitz-Schmidt, G.; Asakura, T.; Noda, M.; Wong, C.-H., Design and synthesis of
C-linked fucosides as inhibitors of E-selectin. Bioorganic & Medicinal Chemistry 1996, 4, 1149-1165.
Nishiyama,
N.; Asakura, T.; Suzuki, K.; Horie, K.; Nemoto, K., Effects of a structural
change in collagen upon binding to conditioned dentin studied by 13C
NMR. Journal of Biomedical Materials
Research 1995, 29, 107-111.
Williamson,
M. P.; Kikuchi, J.; Asakura, T., Application of 1H NMR chemical
shifts to measure the quality of protein structures. Journal of Molecular Biology 1995,
247, 541-546.
Umemoto,
K.; Kikuchi, J.; Narita, M.; Fujita, K.; Asakura, T., Conformations of
synthetic model peptides for Plasmodium falciparum circumsporozoite protein in
Me2SO by 1H NMR and distance geometry calculations. Polymer Journal 1995, 27, 347-360.
Asakura,
T.; Taoka, K.; Demura, M.; Williamson, M. P., The relationship between amide
proton chemical shifts and secondary structure in proteins. Journal of Biomolecular NMR 1995, 6, 227-236.
Asakura,
T.; Yeo, J. H.; Ando,
Ono,
A.; Miyauchi, S.; Demura, M.; Asakura, T.; Kamo, N., Activation Energy for
Permeation of Phosphonium Cations through Phospholipid Bilayer Membrane. Biochemistry 1994, 33, 4312-4318.
Yeo,
J.-H.; Asakura, T.; Shimazaki, H., Structural analyses of poly(m-xylene-a,a'-diyladipamide)
and nylon 66 by 15N solid-state NMR. Macromolecular Chemistry and Physics 1994, 195, 1423-1431.
Kanezaki,
T.; Kijima, M.; Kune, K.; Sato, K.; Asakura, T., 13C NMR sequence
analysis of ethylene-a methylstyrene
copolymers. Polymer 1994, 35, 2523-2527.
Yeo,
J.-H.; Demura, M.; Asakura, T.; Fujito, T.; Imanari, M.; Nicholson, L. K.;
Cross, T. A., Structural analysis of highly oriented
poly(p-phenylene-terephthalamide) by 15N solid-state nuclear
magnetic resonance.
Asakura,
T.; Demura, M.; Hiraishi, Y.; Ogawa, K.; Uyama, A., Determination of the
structure of [1-13C]glycine-[15N]alanine double labeled Bombyx mori silk fibroin fibers using
solid state 15N NMR. Chemistry
Letters 1994, 2249-2252.
Asakura,
T.; Aoki, A.; Demura, M.; Joers, J. M.; Rosanske, R. C.; Gullion, T., Structure
of Bombyx mori silk fibroin studied
by REDOR NMR spectroscopy. Polymer
Journal 1994, 26, 1405-1408.
Demura,
M.; Asakura,T., Structural
Characterization of Samia cynthis ricini Silk Fibroin as Biomaterial, Int.
J. Wild Silkmoth & Silk, 1994 1, 139-141.
Kanezaki,
T.; Kume, K.; Sato, K.; Asakura, T., 13C n.m.r. determination of the
isotacticity of propylene homopolymer part in ethylene-propylene block
copolymers. Polymer 1994, 34, 3129-3131.
Minami,M.;Takatsu,R.;Demura,M.;Asakura,T.
A Study on the Hydration of Bombyx mori Silk Fibroin by Nuclear Magnetic
Resonance Spectroscopy, Sen-i Gakkaishi,1994 50,498-504.
青木明良、中山信彦、林哲男、朝倉哲郎、エチレンープロピレンー１ーブテン共重合体の 13CNMRスペクトルの帰属と構造解析、高分子論文集,1994, 51, 676ー684.
菊地淳、藤田憲一、M. P. Williamson, 朝倉哲郎、1H NMR 化学シフト計算法を導入したタンパク質 溶液構造解析システムの開発、高分子論文集,1994, 51,409-413.
呂奏洪、朝倉哲郎、固体15N NMRによる配向高分子の構造解析の理論、高分子論文集, 1994, 51, 43-46 .
呂奏洪、出村誠、小中沢岳仁、朝倉哲郎、伊藤卓郎、藤戸輝昭、今成司、固体15N NMRによるポリアミド系繊維の構造解析、高分子論文集, 1994, 51, 47-51.
Asakura,
T.; Sakaguchi, R.; Demura, M.; Manabe, T.; Yuama, A.; Ogawa, K.; Osanai, M., In
vitro production of Bombyx mori silk
fibroin by organ culture of the posterior silk glands; isotope labeling and
fluorination of the silk fibroin. Biotechnology
and Bioengineering 1993, 41,
245-252.
Nicholson,
L. K.; Asakura, T.; Demura, M.; Cross, T. A., A method for studying the
structure of uniaxially aligned biopolymers using solid-state nitrogen-15 NMR:
application to Bombyx mori silk
fibroin fibers. Biopolymers 1993, 33, 847-861.
Williamson,
M. P.; Asakura, T., Empirical comparisons of models for chemical-shift
calculation in proteins. Journal of
Magnetic Resonance, Series B 1993,
101, 63-71.
Asakura,
T.; Yeo, J. H.; Demura, M.; Itoh, T.; Fujito, T.; Imanari, M.; Nicholson, L.
K.; Cross, T. A., Structural analysis of uniaxially aligned polymers using
solid-state nitrogen-15 NMR. Macromolecules
1993, 26, 6660-6663.
Aoki,
A.; Hayashi, T.; Asakura, T., 13C NMR chemical shift assignments of
comonomer sequences in a 1-butene-propylene copolymer. Macromolecules 1992, 25,
155-160.
Asakura,
T.; Nakayama, N., 2D-INADEQUATE 13C nuclear magnetic resonance
assignment of regioirregular poly(1-butene). Polymer 1992, 33,
650-654.
Williamson,
M. P.; Asakura, T.; Nakamura, E.; Demura, M., A method for the calculation of
protein a-CH chemical shifts. Journal of Biomolecular NMR 1992,
2, 83-98.
Asakura,
T.; Demura, M.; Watanabe, Y.; Sato, K., Pulsed proton NMR study of Bombyx mori silk fibroin: dynamics of
fibroin and of absorbed water. Journal of
Polymer Science, Part B: Polymer Physics 1992, 30, 693-699.
Williamson,
M. P.; Asakura, T., The application of proton NMR chemical shift calculations
to diastereotopic groups in proteins. FEBS
Letters 1992, 302, 185-188.
Demura,
M.; Takekawa, T.; Asakura, T.; Nishikawa, A., Characterization of
low-temperature-plasma treated silk fibroin fabrics by ESCA and the use of the
fabrics as an enzyme-immobilization support. Biomaterials 1992, 13,
276-280.
Asakura,
T.; Nakayama, N.; Demura, M.; Asano, A., 13C NMR spectral
assignments of regioirregular polypropylene determined from two-dimensional
INADEQUATE spectra and chemical shift calculations. Macromolecules 1992, 25,
4876-4881.
Asakura,
T.; Niizawa, Y.; Williamson, M. P., Determination of the magnetic anisotropy of
the oxygen atom and proton chemical-shift calculation of proteins. Journal of Magnetic Resonance 1992,
98, 646-653.
Asakura,
T.; Kitaguchi, M.; Demura, M.;
Kaneko,M.;
Iwahata, S.; Asakura, T. Quenching of Photoexcited 4,4'- Dicarboxy-2,2'-
Bipyridinebis (2,2'-Bipyridine)Ruthenium(II) by Oxygen in Aqueous Solution and
in Silk Fibroin Membrane, J.Photochem.Photobiol.A.Chem.,
1992, 55, 505-509.
Kaneko,M.;
Takekawa,T.; Asakura,T. Photoluminescent Copolymer-Pendant Ru(byp)32+ Grafted
onto non-woven Silk Fabric and Its Application to Oxygen Sensor, Makromol.
Chem., Makromol. Symp., 1992,59, 183-197.
朝倉哲郎、出村誠、中村英二、安藤勲、Basic Pancreatic Trypsin Inhibitorのα-CHおよびNH 1H NMR 化学シフトの理論計算、高分子論文集,
1992, 49, 281-287.
出村誠、竹之下仁子、朝倉哲郎、酒井治利、栗岡聡、小松計一、金子正夫、 絹セリシン／絹フィブ ロインブレンドコーティングによる酵素固定化不織布、日本蚕糸学雑誌, 1992, 61, 66-72.
Asakura,
T.; Demura, M.; Ogawa, H.; Matsushita, K.; Imanari, M., NMR imaging of
diffusion of small organic molecules in silk fibroin gel. Macromolecules 1991, 24,
620-622.
Asakura,
T.; Demura, M.; Nishiyama, Y., 13C NMR spectral assignment of five
polyolefins determined from the chemical shift calculation and the
polymerization mechanism. Macromolecules 1991, 24, 2334-2340.
Asakura,
T.; Hirano, K.; Demura, M.; Kato, K., 2D-INADEQUATE 13C NMR spectra
of atactic polyolefins. Makromolekulare
Chemie, Rapid Communications 1991,
12, 215-220.
Asakura,
T.; Nakayama, N., 13C nuclear magnetic resonance analysis of
poly(3-methyl-1-butene). Polymer
Communications 1991, 32,
213-216.
Asakura,
T.; Nakamura, E.; Asakawa, H.; Demura, M., Ring-current effects and magnetic
anisotropy effects of carbonyl groups on the a-CH proton chemical shifts of
the basic pancreatic trypsin inhibitor and tendamistat. Journal of Magnetic Resonance1991,
93, 355-360.
Yoshimizu,
H.; Asakura, T.; Kaneko, M., Luminescent characteristics of
tris(2,2'-bipyridine)ruthenium(II) adsorbed in a silk fibroin membrane. Makromolekulare Chemie 1991, 192, 1649-1654.
Demura,
M.; Asakura, T., Porous membrane of Bombyx
mori silk fibroin: structure characterization, physical properties and
application to glucose oxidase immobilization. Journal of Membrane Science 1991,
59, 39-52.
Williamson,
M. P.; Asakura, T., Calculation of a-CH chemical shifts in proteins. Journal of Magnetic Resonance 1991, 94, 557-562.
Kaneko,
M.; Iwahata, S.; Asakura, T., Luminescence from excited tris(2,2'-bipyridine)-
ruthenium(II) incorporated into a silk fibroin membrane. Journal of Photochemistry and Photobiology, A: Chemistry 1991, 61, 373-380.
Demura,
M.; Komura, T.; Asakura, T., Membrane potential of Bombyx mori silk fibroin membrane induced by an immobilized enzyme
reaction. Bioelectrochemistry and
Bioenergetics 1991, 26, 167-175.
Asakura,
T.; Demura, M.; Nagashima, M.; Sakaguchi, R.; Osanai, M.; Ogawa, K., Metabolic
flux and incorporation of [2-13C]glycine into silk fibroin studied
by 13C NMR in vivo and in vitro. Insect Biochemistry 1991,
21, 743-748.
朝倉哲郎、北口源啓、出村誠、酒井治利、金子正夫、栗岡聡、小松計一、不織布表面にコｰ ティングされたスピンラベルグルコースオキシダーゼならびにスピンラベル絹フィブロインのＥＳＲ解析、日本蚕糸学雑誌、1991,60, 466-474.
Ishida,
M.; Asakura, T.; Yokoi, M.; Saito, H., Solvent- and
mechanical-treatment-induced conformational transition of silk fibroins studies
by high-resolution solid-state 13C NMR spectroscopy. Macromolecules 1990, 23, 88-94.
Saito,
H.; Ishida, M.; Yokoi, M.; Asakura, T., Dynamic features of side chains in
tyrosine and serine residues of some polypeptides and fibroins in the solid as
studied by high-resolution solid-state 13C NMR spectroscopy. Macromolecules 1990, 23, 83-88.
Asakura,
T.; Yoshimizu, H.; Kakizaki, M., An ESR study of spin-labeled silk fibroin
membranes and spin-labeled glucose oxidase immobilized in silk fibroin
membranes. Biotechnology and
Bioengineering 1990, 35,
511-517.
Yamamoto,
R.; Araki, K.; Imamura, Y.; Asakura, T.; Iizuka, E.; Iida, S., 13C
NMR studies of thermotropic liquid-crystalline poly(g-alkylaryl L-glutamates). Makromolekulare Chemie 1990, 191, 345-54.
Asakura,
T.; Yamada, H.; Demura, M.; Osanai, M., 13C and phosphorus-31 NMR
analyses of the cultured posterior silk gland of the silkworm, Bombyx mori: silk fibroin production and
the effect of sorbitol-6-phosphate. Insect
Biochemistry 1990, 20, 261-266.
Yoshimizu,
H.; Asakura, T., The structure of Bombyx
mori silk fibroin membrane swollen by water studied with ESR, 13C
NMR, and FT-IR spectroscopies. Journal of
Applied Polymer Science 1990,
40, 1745-1756.
Lenka,
S.; Demura, M.; Asakura, T., 13C NMR studies of the polymerization
mechanism and the dynamics of poly(alkyl methacrylate) grafted onto silk
fibers. Makromolekulare Chemie 1990, 191, 1321-1327.
Yoshimizu,
H.; Asakura, T., Preparation and characterization of silk fibroin powder and
its application to enzyme immobilization. Journal
of Applied Polymer Science 1990,
40, 127-134.
Yamamoto,
R.; Araki, K.; Imamura, Y.; Iimura, K.; Asakura, T.; Iizuka, E., Molecular
side-chain motion and its free volume in thermotropic liquid-crystalline
poly(g-alkoxybenzyl L-glutamates) using spin probe electron paramagnetic
resonance. Makromolekulare Chemie, Rapid
Communications 1990, 11,
293-298.
出村誠、香村恭史、平出啓、朝倉哲郎、リパーゼ固定化絹フィブロイン膜の酵素性能とその膜電位応答性、繊維学会誌1990,46,391-396.