Tetsuo Asakura

Micro-computerized tomographic observation of the spinning apparatus in Bombyx mori silkworms (2008)

Moriya, Motoaki, Ohgo, Kosuke, Masubuchi, Yuichi, Knight, David P., Asakura, Tetsuo

Flow analysis of aqueous solution of silk fibroin in the spinneret of Bombyx mori silkworm by combination of viscosity measurement and finite element method calculation (2008)

Moriya, Motoaki, Ohgo, Kosuke, Masubuchi, Yuichi, Asakura, Tetsuo

Characterization of molecular orientation of stretched natural rubber by solid-state C-13 NMR (2007)

Dohi, Hidehiko, Kimura, Hideaki, Kotani, Marina, Matsunaga, Takanobu, Yamauchi, Kazuo, Kaji, Hironori, ...

Evidence from 13C solid-state NMR spectroscopy for a lamella structure in an alanine-glycine copolypeptide: A model for the crystalline domain of Bombyx mori silk fiber (2005)

Asakura, Tetsuo, Nakazawa, Yasumoto, Ohnishi, Erika, Moro, Fumika

13C high-resolution solid-state NMR coupled with selective 13C isotope-labeling of different Ala one methyl carbons was used to clarify the structure of (AG)15 peptide in the silk II structure as a...

Design, Expression and Solid-State NMR Characterization of Silk-Like Materials Constructed from Sequences of Spider Silk, Samia cynthia ricini and Bombyx mori Silk Fibroins (2005)

Yang, Mingying, Asakura, Tetsuo

Silk has a long history of use in medicine as sutures. To address the requirements of a mechanically robust and biocompatible material, basic research to clarify the role of repeated sequences in...

Design, Expression and Characterization of Collagen-Like Proteins Based on the Cell Adhesive and Crosslinking Sequences Derived from Native Collagens (2004)

Yao, Juming, Yanagisawa, Satoshi, Asakura, Tetsuo

Two recombinant collagen-like proteins consisting of cell adhesion domains derived from native type I collagen were designed and synthesized by a genetic engineering method. The cross-linking...

Tightly winding structure of sequential model peptide for repeated helical region in Samia cynthia ricini silk fibroin studied with solid-state NMR (2003)

Nakazawa, Yasumoto, Bamba, Mie, Nishio, Satoko, Asakura, Tetsuo

There are many kinds of silks from silkworms and spiders with different structures and properties, and thus, silks are suitable to study the structure-property relationship of fibrous proteins. Silk...

Synthesis and Structural Characterization of Silk-Like Materials Incorporated with an Elastic Motif (2003)

Yao, Juming, Asakura, Tetsuo

Genetic engineering strategies were applied to synthesize silk-like materials, [(GVPGV)2GG(GAGAGS)3AS]n. The primary structure of these materials represents the repetitive crystalline...

The role of irregular unit, GAAS, on the secondary structure of Bombyx mori silk fibroin studied with 13C CP/MAS NMR and wide-angle X-ray scattering (2002)

Asakura, Tetsuo, Sugino, Rena, Okumura, Tatsushi, Nakazawa, Yasumoto

Bombyx mori silk fibroin is a fibrous protein whose fiber is extremely strong and tough, although it is produced by the silkworm at room temperature and from an aqueous solution. The primary...

13C CP/MAS NMR study on structural heterogeneity in Bombyx mori silk fiber and their generation by stretching (2002)

Asakura, Tetsuo, Yao, Juming

It is important to resolve the structure of Bombyx mori silk fibroin before spinning (silk I) and after spinning (silk II), and the mechanism of the structural transition during fiber formation in...

Binding of amyloid β-peptide to ganglioside micelles is dependent on histidine-13

Williamson, Mike P., Suzuki, Yu, Bourne, Nathan T., Asakura, Tetsuo

Amyloid β-peptide (Aβ) is a major component of plaques in Alzheimer's disease, and formation of senile plaques has been suggested to originate from regions of neuronal membrane rich in...

Evidence from 13C solid-state NMR spectroscopy for a lamella structure in an alanine–glycine copolypeptide: A model for the crystalline domain of Bombyx mori silk fiber

Asakura, Tetsuo, Nakazawa, Yasumoto, Ohnishi, Erika, Moro, Fumika

13C high-resolution solid-state NMR coupled with selective 13C isotope-labeling of different Ala one methyl carbons was used to clarify the structure of (AG)15 peptide in the silk II structure as a...

Tightly winding structure of sequential model peptide for repeated helical region in Samia cynthia ricini silk fibroin studied with solid-state NMR

Nakazawa, Yasumoto, Bamba, Mie, Nishio, Satoko, Asakura, Tetsuo

There are many kinds of silks from silkworms and spiders with different structures and properties, and thus, silks are suitable to study the structure-property relationship of fibrous proteins. Silk...

The role of irregular unit, GAAS, on the secondary structure of Bombyx mori silk fibroin studied with 13C CP/MAS NMR and wide-angle X-ray scattering

Asakura, Tetsuo, Sugino, Rena, Okumura, Tatsushi, Nakazawa, Yasumoto

Bombyx mori silk fibroin is a fibrous protein whose fiber is extremely strong and tough, although it is produced by the silkworm at room temperature and from an aqueous solution. The primary...

13C CP/MAS NMR study on structural heterogeneity in Bombyx mori silk fiber and their generation by stretching

Asakura, Tetsuo, Yao, Juming

It is important to resolve the structure of Bombyx mori silk fibroin before spinning (silk I) and after spinning (silk II), and the mechanism of the structural transition during fiber formation in...