Search Results 1-20 of 356

  • A study on the coloration of Aoike Pond, Aomori Prefecture: Elaboration of the model  [in Japanese]

    HANAISHI Ryuji , OSAKA Naoto , CHIKITA Kazuhisa

    青森県・十二湖の一つ青池の青色呈色について,この呈色を再現する既報のモデルを精緻化した。精緻化したモデルでは,水の密度変動散乱係数および体積散乱関数を文献から引用し,立体角の算出法を改良した。また,湖底乱反射および水の密度変動散乱による光強度式を,光束をもとに記述した。画像解析から,青池画像におけるRGB 値の理論値を観測値に結び付けるスケーリング・ファクタを決定し,これからデジタルカメラ感度係数 …

    Journal of the Japanese Society of Physical Hydrology 2(1), 25-45, 2020

    J-STAGE 

  • A study on the coloration of Aoike Pond, Aomori Prefecture: Image analyses and modeling  [in Japanese]

    HANAISHI Ryuji , OSAKA Naoto , CHIKITA Kazuhisa

    青森県・十二湖の一つ青池の青色呈色について,画像解析とモデル計算を行った。モデリングでは,池の青色呈色は,湖底乱反射前後の水による光吸収と波長依存性を持つ湖内光散乱前後の水による光吸収,という2 つの要因で生じると考えた。画像解析結果とモデル計算結果との比較から,湖底乱反射および水の密度変動散乱(分子散乱)が呈色に寄与していることがわかった。湖面の色調については,前者の呈色は緑色を帯びた青色で,後 …

    Journal of the Japanese Society of Physical Hydrology 1(1), 3-23, 2019

    J-STAGE 

  • Color Survey of Professional and Fashion-use Oxidative Hair Dye  [in Japanese]

    Nakagawa Tokiko

    <p> 多くの日本人がヘアカラーリングの経験があるものの,ヘアカラーの色名を聞いて具体的な色みを想像できる人は少ない.本調査では,ヘアカラーリングで汎用される色名と測色値との関係を明らかにすることを目的とし,10社141色の美容室用おしゃれ染め酸化染毛剤を9つの色のグループに分類し色彩調査を行った.染毛剤の色の調査では,アッシュ系は青紫~紫,マット系は黄赤~青紫,ゴールド系は黄,オレン …

    JOURNAL OF THE COLOR SCIENCE ASSOCIATION OF JAPAN 43(6), 299, 2019

    J-STAGE 

  • The Change in Coloration of Aluminum Silicate Hydrate with Silicon Dioxide to Bright Blue when Cinnamon Bark and Atractylodes Rhizome are Combined  [in Japanese]

    OHNO Taiichiro , NAGATA Yutaka , NAGASAKA Kazuhiko

    <p>煎じ薬を保管中に生じる生薬の色調変化は,服薬コンプライアンスを妨げる要因の一つとなる。滑石を含む煎じ薬に五苓散料を合方した後に,滑石が鮮やかな青色(鮮青色)を呈した例を経験し,気密容器を用いた原因生薬検討とTLC による成分分析を実施した。<br>その結果,桂皮と白朮共存下,滑石は数時間で鮮青色を呈し,この呈色には,桂皮・白朮・滑石の3生薬に由来するcinnamald …

    Kampo Medicine 70(1), 8-17, 2019

    J-STAGE  Ichushi Web 

  • Breeding of blue chrysanthemum on the basis of color development mechanisms of blue flowers  [in Japanese]

    Noda Naonobu

    … <p>Various studies on flavonoid pigments related to the color development of blue flowers and their biosynthetic genes have been conducted for over 100 years. … Today, molecular breeding of blue flowers has become possible via the genetic manipulation of the pigment biosynthetic pathway present in some flowers. … Recently, blue transgenic chrysanthemums have been successfully generated by synthesizing artificial anthocyanins that interact with endogenous flavonoids. …

    Regulation of Plant Growth & Development 54(1), 33-38, 2019

    J-STAGE 

  • Identifying the origin plant of starches by numerical description of the coloration of iodine-starch reaction solutions

    Miyazaki Tamaki , Aso Yukio , Goda Yukihiro

    … However,visual observation is subjective and vague because color perception is organoleptic and color is expressed by ambiguous namessuch as "orange-red" and "deep blue". …

    Japanese Journal of Food Chemistry and Safety 25(3), 145-151, 2018

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  • Effects of Methyl Jasmonate Treatment and Light Condition on Petal Coloration and Postharvest Qualities of Cut Flower Stems Harvested at Green-hued Bud Stage in Double-flowered <i>Eustoma</i> Cultivars  [in Japanese]

    Mizuno Takayuki , Fukuta Naoko , Shimizu-Yumoto Hiroko

    <p>蕾で収穫した大輪八重咲きトルコギキョウ切り花を品質が低下することなく開花させる技術の開発を目指し,MeJAを含む開花溶液の処理期間と光条件について検討した.その結果,MeJAを含む開花溶液の連続処理および前処理ともに,花弁の緑色部が残る着色ムラ個体の発生率が低下した.MeJAを含む開花溶液の処理を短期間とすることにより,連続処理に比べて花弁の矮小化を回避し葉の障害発生個体率を軽減 …

    Horticultural Research (Japan) 17(4), 465-474, 2018

    J-STAGE  JASI 

  • Electrochemical Control of Emission and Coloration with High Response and Durability by Introduction of Counter Reaction Material

    Kanazawa Kenji , Nakamura Kazuki , Uemura Sei , Kobayashi Norihisa

    … An electroswitching device that enables modulation of both photoluminescence and coloration was obtained. … Coloration and emission control were achieved by only electrochemical reactions of HV<sup>2+</sup>. … The coloration of the device was controlled by HV<sup>2+</sup> …

    Journal of Photopolymer Science and Technology 31(3), 353-362, 2018

    J-STAGE 

  • Fabrication Process of Large-area <i>Morpho</i>-color Flexible Film via Flexible Nano-imprint Mold

    Saito Akira , Ishibashi Kosei , Ohga Junpei , Hirai Yoshihiko , Kuwahara Yuji

    … butterfly's blue is the structural color given by optical interference, that contradicts its single coloration in too wide angular range. … After proven the principle of the coloration by mimicking the specific nanostructures of their scales, we found the reproduced <i>Morpho</i>-color to serve wide applications, because it can produce a brilliant single color in wide angular range with high reflectivity for longtime without chemical pigment. …

    Journal of Photopolymer Science and Technology 31(1), 113-119, 2018

    J-STAGE 

  • Sol-Gel Preparation of Thick TiO<sub>2</sub> Films for Structural Coloration

    Yasuda Takashi , Kojima Kei , Mori Ryoji

    … triple-layer structure and second-order reflection conditions to produce structural coloration. … This design yielded a sharp spectral peak and bright coloration; … films were successfully prepared and exhibited various bright colors in the visible light wavelength range, including two primary colors of light, namely blue and green. … Green coloration from flake-shaped particles was also demonstrated.</p> …

    Transactions of the Materials Research Society of Japan 43(3), 157-160, 2018

    J-STAGE 

  • The difference in plumage coloration of the feral pigeon between Tokyo and Osaka  [in Japanese]

    Muromoto Koki , Mikami Osamu

    <p>ドバト <i>Columba livia</i> var. <i>domestica</i> は羽色に表現型多型が見られ,世界的に多くの研究が行なわれている.しかし日本では,ここ約40年ほど調査が行なわれていない.そこで本研究では,東京と大阪でドバトの羽色の割合を調査した.その結果,東京のドバトは灰二引と言われるタイプが少なかった. …

    Bird Research 14(0), S7-S11, 2018

    J-STAGE 

  • Cover

    … <p><b>On the cover</b></p><p>Flower arrangements with blue chrysanthemums designed by H. … Blue chrysanthemums were created by introducing and co-expressing butterfly pea <i>A3′5′GT</i> … The blue coloration is due to intermolecular co-pigmentation between the newly synthesized anthocyanins and endogenous flavones (This issue, p. …

    Breeding Science 68(1), cover-cover, 2018

    J-STAGE 

  • Recent advances in the research and development of blue flowers

    Noda Naonobu

    … Many ornamental plants with a high production volume, such as rose and chrysanthemum, lack the key genes for producing the blue delphinidin pigment or do not have an intracellular environment suitable for developing blue color. … Recently, it has become possible to incorporate a blue flower color trait through progress in molecular biological analysis of pigment biosynthesis genes and genetic engineering. …

    Breeding Science 68(1), 79-87, 2018

    J-STAGE 

  • Recent advances in flower color variation and patterning of Japanese morning glory and petunia

    Morita Yasumasa , Hoshino Atsushi

    … Regarding flower hue, we will describe a novel enhancer of flavonoid production that controls the intensity of flower pigmentation, new aspects related to a flavonoid glucosyltransferase that has been known for a long time, and the regulatory mechanisms of vacuolar pH being a key determinant of red and blue coloration. …

    Breeding Science 68(1), 128-138, 2018

    J-STAGE 

  • Coloration of Fine Calcium Carbonate Using Indicator  [in Japanese]

    小嶋 芳行 , 渡邉 春菜 , 河本 唯 , 森川 徹也 , 高野 達夫 , 山下 一夫

    Journal of the Society of Inorganic Materials, Japan : セッコウ・石灰・セメント・地球環境の科学 24(387), 69-73, 2017-03

  • Characterization of the Mechanism by Which Papain Suppresses Tooth Discoloration

    YOSHIKAWA Yoshihiro , DOMAE Eisuke , HIRAI Yuya , TSUDA Susumu , IKEO Takashi , TERAMOTO Akari , NISHIDA Ayano , OKAMOTO Ema , KINOSADA Hiroko , SUGIMOTO Wakana , HIROSE Takeshi , SHIMAOKA Tsuyoshi , KAMADA Aiko

    … <p>Interest in esthetics has increased in recent years, and demand for tooth coloration treatments is increasing. … Various concentrations of papain (0.005, 0.05, and 0.5 mg/mL) were added to saliva, salivary proteins were subjected to electrophoresis, and changes in protein properties were examined by Coomassie Brilliant Blue staining. …

    Nano Biomedicine 9(2), 83-88, 2017

    J-STAGE  Ichushi Web 

  • A case of composite hemangioendothelioma of the tongue  [in Japanese]

    HORIBE Hiroshi , KINOSHITA Yasuo , MORI Satoru , TANIGUCHI Shinichi

    … On presentation, a painless, blue-violet, wellcircumscribed tumor mass measuring approximately 10 mm in diameter was found in the right edge of the tongue. … Coloration of the mass faded on pressure. …

    Japanese Journal of Oral and Maxillofacial Surgery 63(12), 671-675, 2017

    J-STAGE  Ichushi Web 

  • Nonuniform Coloration of Harvested Flower Buds of Double-flowered <i>Eustoma</i> is Reduced by Methyl Jasmonate Treatment

    Mizuno Takayuki , Fukuta Naoko , Shimizu-Yumoto Hiroko

    … <p>Double-flowered <i>Eustoma</i>, a popular cut flower, sometimes shows nonuniform coloration of its petals when harvested at the flower bud stage. … In this study, to identify appropriate postharvest treatments leading to normal coloration of these cut flower buds, we investigated the influence of harvest stage, temperature, sugar, and methyl jasmonate (MeJA) on petal coloration using the <i>Eustoma</i> … 'Voyage (Type II) Blue'. …

    The Horticulture Journal 86(2), 244-251, 2017

    J-STAGE 

  • The Effect of Blue Motifs on White Plates, Including the Number of Motifs and the Presence of a Blue Rim, on Appetite by Placing Japanese Food on Small Serving Plates  [in Japanese]

    KAWASHIMA Hino , KAZUNO Chieko , SAWAYAMA Shigeru

    … <p>  A questionnaire survey was conducted about the effect of blue motifs on white plates, including the number of motifs and the presence of a blue rim, on appetite by placing Japanese food on small serving plates. … Results showed that blue rim motifs stimulated the appetite better, and two motifs were often evaluated better than a single motif. …

    Journal of Home Economics of Japan 68(3), 113-121, 2017

    J-STAGE 

  • Effects of Mordant Treatment on Wool Fibers Colored by Maillard Reaction  [in Japanese]

    Ohe Takeru , Moriyoshi Kunihiko , Ohmoto Takashi , Yoshimura Yurika

    … <p>It was reported in our previous papers that reactions of wool fibers with various reducing sugars,such as xylose, glucose, and maltose, gave their fibers yellowish or brownish coloration. … These coloration reactions are well known as Maillard reaction in the food chemistry. …

    Journal of Fiber Science and Technology 73(2), 34-41, 2017

    J-STAGE 

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