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Detailed Structural Analyses of Nanofibrillated Bacterial Cellulose and Its Application as Binder Material for a Display Device.
Biomacromolecules ( IF 5.5 ) Pub Date : 2019-12-05 , DOI: 10.1021/acs.biomac.9b01328 Kenji Tajima , Koutaro Tahara , Junya Ohba , Ryo Kusumoto , Ryota Kose 1 , Hiroyuki Kono 2 , Tokuo Matsushima 3 , Koji Fushimi , Takuya Isono , Takuya Yamamoto , Toshifumi Satoh
Biomacromolecules ( IF 5.5 ) Pub Date : 2019-12-05 , DOI: 10.1021/acs.biomac.9b01328 Kenji Tajima , Koutaro Tahara , Junya Ohba , Ryo Kusumoto , Ryota Kose 1 , Hiroyuki Kono 2 , Tokuo Matsushima 3 , Koji Fushimi , Takuya Isono , Takuya Yamamoto , Toshifumi Satoh
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Nanofibrillated bacterial cellulose (NFBC) is produced by culturing a cellulose-producing bacterium under agitated aerobic conditions in a carboxymethylcellulose (CMC)-supplemented medium. Detailed structural analyses revealed that NFBC fiber widths varied with the degree of substitution of the CMC used, and zeta potential values decreased with the increment of CMC concentration in the medium. Transmission electron microscopy observation after immunostaining demonstrated that CMC molecules were present on the NFBC microfibril surfaces. We tested NFBC for utility as a binder for a display device that uses electrochromic (EC) material. Introduction of a quaternary ammonium group into the EC molecules enhanced their interactions with the negatively charged NFBC microfibrils. A casting process homogeneously adsorbed the EC molecules onto the surface of a transparent electrode with NFBC. A homogeneous color change was successfully observed upon applying an electric field, suggesting that NFBC could be used as a binder material for uniform surface adsorption.
中文翻译：
纳米纤维化细菌纤维素的详细结构分析及其作为显示设备的粘合剂材料的应用。
纳米原纤化细菌纤维素（NFBC）是通过在需氧条件下，在补充了羧甲基纤维素（CMC）的培养基中培养产纤维素细菌来生产的。详细的结构分析表明，NFBC纤维的宽度随所用CMC的取代程度而变化，ζ电势值随介质中CMC浓度的增加而降低。免疫染色后的透射电子显微镜观察表明，CMC分子存在于NFBC微纤维表面。我们测试了NFBC作为使用电致变色（EC）材料的显示设备的粘合剂的效用。将季铵基团引入EC分子可增强它们与带负电荷的NFBC微纤维的相互作用。铸造过程使用NFBC将EC分子均匀吸附到透明电极的表面上。在施加电场后成功观察到均匀的颜色变化，这表明NFBC可以用作均匀表面吸附的粘合剂材料。
更新日期：2019-12-05
中文翻译：
纳米纤维化细菌纤维素的详细结构分析及其作为显示设备的粘合剂材料的应用。
纳米原纤化细菌纤维素（NFBC）是通过在需氧条件下，在补充了羧甲基纤维素（CMC）的培养基中培养产纤维素细菌来生产的。详细的结构分析表明，NFBC纤维的宽度随所用CMC的取代程度而变化，ζ电势值随介质中CMC浓度的增加而降低。免疫染色后的透射电子显微镜观察表明，CMC分子存在于NFBC微纤维表面。我们测试了NFBC作为使用电致变色（EC）材料的显示设备的粘合剂的效用。将季铵基团引入EC分子可增强它们与带负电荷的NFBC微纤维的相互作用。铸造过程使用NFBC将EC分子均匀吸附到透明电极的表面上。在施加电场后成功观察到均匀的颜色变化，这表明NFBC可以用作均匀表面吸附的粘合剂材料。
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