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Watanabe, Taku*; Maejima, Yui*; Ueda, Yuki; Motokawa, Ryuhei; Takabatake, Ai*; Takeda, Shinichi*; Fudoji, Hiroshi*; Kishikawa, Keiki*; Koori, Michinari*
Langmuir, 41(34), p.22762 - 22773, 2025/09
Times Cited Count：3 Percentile：47.58(Chemistry, Multidisciplinary)The assembled structures of melanin particles, i.e., colloidal particles coated with a melanin-like polydopamine (PDA) layer, create vivid structural colors. While the thickness of the PDA layer influences the particle arrangement and optical properties, the underlying mechanism has remained controversial. We demonstrate that the water swelling characteristics of PDA are crucial factors governing the dispersion and aggregation of these particles in solution. Detailed comparisons between dry and wet conditions revealed that the PDA layer readily absorbs water molecules, which leads to significant swelling in the thicker layers. The swelling of the PDA layers determined whether the particles remained dispersed or partially aggregated in the water, ultimately controlling the particle arrangement in the dry state once the water evaporated. These findings provide insights into the self-assembly of colloidal particles and offer a strategy for tuning the periodic particle order. This feature is pivotal for various applications in optical and sensing technologies.
Faenov, A.*; Matsubayashi, Masahito; Pikuz, T.*; Fukuda, Yuji; Kando, Masaki; Yasuda, Ryo; Iikura, Hiroshi; Nojima, Takehiro; Sakai, Takuro; Shiozawa, Masahiro*; et al.
High Power Laser Science and Engineering, 3, p.e27_1 - e27_9, 2015/10
Times Cited Count：10 Percentile：45.14(Optics)
-irradiated diamondXu, Y.; Naramoto, Hiroshi; Narumi, Kazumasa; Miyashita, Kiyoshi*; Kamiya, Tomihiro; Sakai, Takuro
Applied Physics Letters, 83(10), p.1968 - 1970, 2003/09
Times Cited Count：6 Percentile：27.40(Physics, Applied)no abstracts in English
Nagano, Tetsushi; Isobe, Hiroshi*; Nakashima, Satoru*; Ashizaki, Midori*
Applied Spectroscopy, 56(5), p.651 - 657, 2002/05
Times Cited Count：11 Percentile：51.84(Instruments & Instrumentation)no abstracts in English
; ; Nagao, Seiya
Chishitsugaku Zasshi, 104(1), p.64 - 67, 1998/01
no abstracts in English
A.N.M.Bagyo*; Arai, Hidehiko; Miyata, Teijiro
Applied Radiation and Isotopes, 48(2), p.175 - 181, 1997/00
Times Cited Count：17 Percentile：76.40(Chemistry, Inorganic & Nuclear)no abstracts in English
Nagano, Tetsushi; ; ;
Clays and Clay Minerals, 42(2), p.226 - 234, 1994/00
Times Cited Count：35 Percentile：74.84(Chemistry, Physical)no abstracts in English
Nakamura, Takehiko; Saito, Shinzo; Emori, Yasubumi*; Namba, Hisao*;
JAERI-M 93-068, 37 Pages, 1993/03
no abstracts in English
Hosono, Masakazu; Arai, Hidehiko; Aizawa, Masaki*; Yamamoto, Ichiro*; Shimizu, Ken*; Sugiyama, Masahi*
Applied Radiation and Isotopes, 44(9), p.1199 - 1203, 1993/00
Times Cited Count：23 Percentile：86.94(Chemistry, Inorganic & Nuclear)no abstracts in English
CNagano, Tetsushi; ; ; ;
Clays and Clay Minerals, 40(5), p.600 - 607, 1992/00
Times Cited Count：33 Percentile：74.77(Chemistry, Physical)no abstracts in English
Nagao, Seiya;
Marine Geology, 109, p.83 - 94, 1992/00
Times Cited Count：51 Percentile：80.13(Geosciences, Multidisciplinary)no abstracts in English
Nagao, Seiya;
Geochemical Journal, 25, p.187 - 197, 1991/00
Times Cited Count：12 Percentile：36.25(Geochemistry & Geophysics)no abstracts in English
Yokokawa, Mitsuo
Nihon Kikai Gakkai Rombunshu, B, 56(524), p.1062 - 1065, 1990/04
no abstracts in English
Nagano, Tetsushi;
Geochemical Journal, 23, p.75 - 83, 1989/00
Times Cited Count：42 Percentile：70.40(Geochemistry & Geophysics)no abstracts in English
; ; Akino, Norio
Nihon Kikai Gakkai Rombunshu, B, 53(485), p.241 - 249, 1987/00
no abstracts in English
Cl and 
C ions; ; ;
Journal of the Physical Society of Japan, 54(5), p.1750 - 1756, 1985/00
Times Cited Count：7 Percentile：58.40(Physics, Multidisciplinary)no abstracts in English
; ; ; Takehisa, Masaaki
Agricultural and Biological Chemistry, 47(5), p.1065 - 1069, 1983/00
no abstracts in English
Nakanishi, Hiroshi*; Arakawa, Kazuo; Hayakawa, Naohiro; Machi, Sueo; Yagi, Tetsuya*
Nihon Genshiryoku Gakkai-Shi, 25(3), p.217 - 224, 1983/00
Times Cited Count：2 Percentile：34.63(Nuclear Science & Technology)no abstracts in English
; ; ; Takehisa, Masaaki
Shokuhin Shosha, 18, p.5 - 9, 1983/00
no abstracts in English
