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Imai, Yosuke*; Tokiwa, Yuhei*; Ueno, Shusaku*; Tanida, Hajime; Watanabe, Iwao*; Matsubara, Hiroki*; Takiue, Takanori*; Aratono, Makoto*
Bulletin of the Chemical Society of Japan, 91(10), p.1487 - 1494, 2018/10
Times Cited Count：2 Percentile：8.1(Chemistry, Multidisciplinary)Competitive binding of binary mixed counterions to the headgroups of adsorbed surfactant films has been investigated at solution surfaces by total reflection X-ray absorption fine structure (XAFS) spectroscopy. The obtained extended XAFS 
spectra for bromide counterions are linear combinations of the spectra of fully hydrated bromide ions (free Br) and partially dehydrated bromide ions bound to the headgroups of the surfactant ions (bound Br). From the fraction of bound Br in counterion mixed systems, two series of the relative strengths of counterion binding are proposed for the trimethylammonium (TA
) and 3-methylimidazolium (MIM) headgroups: (a) TA-SO
TA-Cl TA-Br TA-BF and (b) MIM-Br TA-Br TA-BF MIM-BF. For the TA headgroup, matching the hydration of the headgroups and counterions gives series (a) according to Collins' law, which states that the tendency of contact ion pair formation becomes larger when the absolute values of the hydration enthalpies of the ions match. For the MIM headgroup, the number of binding sites of hydrogen bonds between the MIM headgroup and counterion is essential, which leads to series (b) because of competition between the counterion and water for interaction with the MIM headgroup.
D.Cha*; Ito, Hisayoshi; Morishita, Norio; Kawasuso, Atsuo; Oshima, Takeshi; ; J.Ko*; K.Lee*; Nashiyama, Isamu
Mater. Sci. Forum, 264-268, p.615 - 618, 1998/00
no abstracts in English
Ito, Hitoshi; *; ; Sunaga, Hiromi; Ishigaki, Isao
Radiation Physics and Chemistry, 42(4-6), p.597 - 600, 1993/00
Times Cited Count：2 Percentile：29.78(Chemistry, Physical)no abstracts in English
Ito, Hitoshi; *; ; Sunaga, Hiromi; Ishigaki, Isao
Bokin Bobai-Shi, 19(4), p.161 - 166, 1991/00
no abstracts in English
Mitomo, Hiroshi*; *; ; Ito, Hitoshi; Ishigaki, Isao
Reports on Progress in Polymer Physics in Japan, 34, p.415 - 416, 1991/00
no abstracts in English
*; Ito, Hitoshi; ; Sunaga, Hiromi; Ishigaki, Isao
Shokuhin Shosha, 25(1-2), p.71 - 74, 1990/00
no abstracts in English
-ray sensitivities of B.pumilus E601 spores; *; Ito, Hitoshi; Ishigaki, Isao
Shokuhin Shosha, 25(1-2), p.66 - 70, 1990/00
no abstracts in English
; Ito, Hitoshi; Ishigaki, Isao
Bokin Bobai-Shi, 17(7), p.311 - 317, 1989/00
no abstracts in English
; Ito, Hitoshi; Ishigaki, Isao
Shokuhin Shosha, 24(1-2), p.16 - 20, 1989/00
no abstracts in English
-rayKume, Tamikazu; ; *; Ishigaki, Isao
Shokuhin Shosha, 23(2), p.84 - 87, 1988/00
no abstracts in English
; Ito, Hitoshi; Ishigaki, Isao
Shokuhin Shosha, 23(2), p.88 - 92, 1988/00
no abstracts in English
Watanabe, Yuhei; Ito, Hitoshi; Ishigaki, Isao
Shokuhin Shosha, 22(2), p.12 - 15, 1987/11
In order to estimate the sterility dose of medical supplies for EB, the dry spores of 
601 were used as a microbial indicator.
; Hayakawa, Naohiro; *
Reports on Progress in Polymer Physics in Japan, 30, p.171 - 174, 1987/00
no abstracts in English
Arakawa, Kazuo; Seguchi, Tadao; ; Hayakawa, Naohiro
Journal of Polymer Science; Polymer Chemistry Edition, 20, p.2681 - 2692, 1982/00
no abstracts in English
Seguchi, Tadao; Arakawa, Kazuo; Hayakawa, Naohiro; ; Kuriyama, Isamu
Radiation Physics and Chemistry, 19(4), p.321 - 327, 1982/00
no abstracts in English
Arakawa, Kazuo; Seguchi, Tadao; ; Hayakawa, Naohiro; Kuriyama, Isamu; Machi, Sueo
Journal of Polymer Science; Polymer Chemistry Edition, 19, p.2123 - 2125, 1981/00
no abstracts in English
; ; Kaetsu, Isao
Eur.Polym.J., 15(4), p.323 - 324, 1979/00
Times Cited Count：3no abstracts in English
Morita, Yosuke; ; ; ;
J.Appl.Polym.Sci., 23(11), p.3395 - 3409, 1979/00
Times Cited Count：2no abstracts in English
Morita, Yosuke; ; ; *;
J.Appl.Polym.Sci., 23(11), p.3421 - 3426, 1979/00
Times Cited Count：0no abstracts in English
; ; ; *
J.Macromol.Sci.,Part A, 12(6), p.837 - 851, 1978/00
no abstracts in English
