Journal of the Japan Society of Colour Material
Online ISSN : 1883-2199
Print ISSN : 0010-180X
ISSN-L : 0010-180X
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Volume 94, Issue 10
Displaying 1-3 of 3 articles from this issue
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Digest
  • Recent Progress of Chemical Studies on Flavonoid Pigments
    Kumi YOSHIDA
    2021 Volume 94 Issue 10 Pages 263-269
    Published: October 20, 2021
    Released on J-STAGE: October 23, 2021
    DOIhttps://doi.org/10.4011/shikizai.94.263
    JOURNAL RESTRICTED ACCESS
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    Chemical study on plant pigments is not limited to the elucidation of the chemical structure of the pigments, but also extends to mechanisms of color development in plant cells and biosynthetic pathways of each reaction step, as well as their biological functions. For the past 30 years, we have been studying the chemistry of various flavonoid pigments. In this article, we describe our recent topics on blue flower coloration due to metalloanthocyanin, the mechanism of blue hydrangea color, red azuki and red cabbage pigments as food colorants, and chemical synthesis and biosynthesis of anthocyanins, which are closely related to each other.

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Review
  • Fabrication of Functional Organic-Inorganic Hybrid Materials by Design and Control of Interfacial Structure
    Kazuki MURAI
    2021 Volume 94 Issue 10 Pages 270-275
    Published: October 20, 2021
    Released on J-STAGE: October 23, 2021
    DOIhttps://doi.org/10.4011/shikizai.94.270
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    Design and control of interfacial structure has an important role in chemical reactions and function control in various research fields. In previous studies, mechanisms of nucleation and selective crystal growth of inorganic matter during the mineralization process have been discussed based on several investigations utilizing many kinds of bio-macromolecular template (polypeptide, protein, and DNA). Moreover, fabrication of organic/inorganic hybrid materials inspired by living systems has demonstrated potentiality as functional materials for engineering, medical, and biochemical applications.

    In this review, we discuss the analysis of mechanisms of nucleation and selective crystal growth of inorganic matter at mineralization process and the fabrication of organic/inorganic hybrid materials inspired by control of interfacial structure of living systems.

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Serial Lecture
  • Fundamentals of Printing Paper and the Recent Technological Trend
    Kenichi MITSUI
    2021 Volume 94 Issue 10 Pages 276-282
    Published: October 20, 2021
    Released on J-STAGE: October 23, 2021
    DOIhttps://doi.org/10.4011/shikizai.94.276
    JOURNAL RESTRICTED ACCESS
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    Printing paper still exists as a major information media presently. A demand forecasting, classification, manufacturing and physical property of the printing paper are summarized in this article. The good understanding of fundamentals of printing paper can be useful for the suitable choice of the paper to obtain desired print results.

    The technological trends of the paper are also reviewed with overlooking the launched major products in the past three decades. Future prospects of the printing paper are predicted, while considering the current requirements in the point of paper manufacturing technology.

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