Zobrazeno 1 - 10
of 381
pro vyhledávání: '"Kunio Esumi"'
Publikováno v:
Journal of Oleo Science. 62:579-586
Amino acid-based anionic gemini surfactants (2C(n)diCys, where n represents an alkyl chain with a length of 10, 12, or 14 carbons and "di" and "Cys" indicate adipoyl and cysteine, respectively) were synthesized using the amino acid cysteine. Biodegra
Publikováno v:
Journal of Oleo Science. 62:571-577
Amphiphilic telomers with multiple sugar chains and a terminal undecyl or heptadecyl chain (i.e., C(n)Am-mGEMA, where n and m represent alkyl chain lengths of 11 or 17 with a degree of polymerization of 2.0 or 3.0 for glucosyloxyethyl methacrylate (G
Autor:
Kaji Megumi, Yuichiro Takamatsu, Koji Tsuchiya, Hideki Sakai, Kazuyuki Tsubone, Kenichi Sakai, Masahiko Abe, Kanjiro Torigoe, Tomokazu Yoshimura, Kunio Esumi
Publikováno v:
Colloids and Surfaces A: Physicochemical and Engineering Aspects. 333:26-31
The aqueous solution properties of oppositely charged gemini–gemini surfactant mixtures have been studied with a combination of static surface tension, dynamic light scattering (DLS) and cryogenic transmission electron microscope (cryo-TEM) measure
Autor:
Shin Umezawa, Tomokazu Yoshimura, Kunio Esumi, Yuichiro Takamatsu, Hideki Sakai, Masahiko Abe, Mamoru Tamura, Kenichi Sakai, Kanjiro Torigoe
Publikováno v:
Colloids and Surfaces A: Physicochemical and Engineering Aspects. 328:100-106
The adsorption behavior of sugar-based surfactants at the silica/aqueous solution interface has been characterized on the basis of the adsorption isotherm, ζ potential and in situ atomic force microscopy (AFM) data. The surfactants used in the curre
Autor:
Yuichiro Takamatsu, Kanjiro Torigoe, Kenichi Sakai, Tomokazu Yoshimura, Kunio Esumi, Hideki Sakai, Suraj Chandra Sharma, Akihoko Tasaki, Masahiko Abe
Publikováno v:
Colloids and Surfaces A: Physicochemical and Engineering Aspects. 326:184-190
Poly(amidoamine) (PAMAM) dendron surfactants bearing a focal quaternary alkyldimethylammonium group and terminal sugar groups (C m qb-G n Lac; m = 12, 18, 22; n = 0, 1) have been synthesized. Solution properties of these dendron surfactants were inve
Publikováno v:
Shikizai Kyokaishi. 81:2-9
Direct measurement of interaction forces between bovine serum albumin (BSA) adsorbed layers on amino-thiolated gold surfaces has been carried out using colloidal probe atomic force microscopy (AFM). The substrate was prepared via self-assembly of 2-a
Publikováno v:
Journal of Colloid and Interface Science. 302:82-86
Adsolubilization of 2-naphthol into an adsorbed layer of triblock poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) (PEO-PPO-PEO, Pluronics) copolymers on hydrophobically modified silica particles has been investigated. Four kinds of Pl
Publikováno v:
Journal of Colloid and Interface Science. 301:267-273
A novel gemini surfactant with two hydrocarbon chains and two different hydrophilic parts containing a quaternary ammonium salt and a sulfobetaine moiety, N,N-dimethyl-N-{2-[N'-methyl-N'-(3-sulfopropyl)-alkylammonium]ethyl}-1-alkylammonium bromides (
Publikováno v:
Colloids and Surfaces A: Physicochemical and Engineering Aspects. 281:163-170
The steady state fluorescence measurements have been performed for the binary mixtures of N -hexadecyl- N ′-lactobionylethylenediamine (C 16 peLac) with a variety of surfactants such as 3-( N , N -dimethylhexadecylammonio) propane sulphonate (HPS),