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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Suenaga, Shin Nikaido, Nozomi Totani, Kazuhide Kawasaki, Kazunori Ito, Yoshihito Yamashita, Kazuhiko Osada, Mitsumasa |
| Description | Country affiliation: Japan Author Affiliation: Suenaga S ( Department of Chemistry and Materials, Faculty of Textile Science and Technology, Shinshu University, 3-15-1, Tokida, Ueda, Nagano 386-8567, Japan.); Nikaido N ( Department of Chemical Engineering, National Institute of Technology, Ichinoseki College, Takanashi, Hagisho, Ichinoseki, Iwate 021-8511, Japan.); Totani K ( Department of Chemical Engineering, National Institute of Technology, Ichinoseki College, Takanashi, Hagisho, Ichinoseki, Iwate 021-8511, Japan.); Kawasaki K ( National Institute of Advanced Science and Technology (AIST), 1-8-31, Midorigaoka, Ikeda, Osaka 563-8577, Japan.); Ito Y ( Iwate Industrial Research Institute, 2-4-25, Kitaiioka, Morioka, Iwate 020-0857, Japan.); Yamashita K ( Yaegaki Bio-Industry, Inc., 681, Mukudani, Hayashida, Himeji, Hyogo 678-4298, Japan.); Osada M ( Department of Chemistry and Materials, Faculty of Textile Science and Technology, Shinshu University, 3-15-1, Tokida, Ueda, Nagano 386-8567, Japan. Electronic address: osadam@shinshu-u.ac.jp.) |
| Abstract | The relationship between purification methods of ß-chitin from squid pen and the physicochemical properties of ß-chitin nanofibers (NFs) were investigated. Two types of ß-chitin were prepared, with ß-chitin (aâb) subjected to acid treatment for decalcification and then base treatment for deproteinization, while ß-chitin (bâa) was treated in the opposite order. These ß-chitins were disintegrated into NFs using wet pulverization. The ß-chitin (bâa) NF dispersion has higher transmittance and viscosity than the ß-chitin (aâb) NF dispersion. For the first time, we succeeded in obtaining 3D images of the ß-chitin NF dispersion in water by using quick-freeze deep-etch replication with high-angle annular dark field scanning transmission electron microscopy. The ß-chitin (bâa) NF dispersion has a denser and more uniform 3D network structure than the ß-chitin (aâb) NF dispersion. Widths of the ß-chitin (aâb) and (bâa) NFs were approximately 8-25 and 3-10nm, respectively. |
| File Format | HTM / HTML |
| ISSN | 01418130 |
| Journal | International Journal of Biological Macromolecules |
| Volume Number | 91 |
| e-ISSN | 18790003 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-10-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Structural Biology Molecular Biology Biochemistry |
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