The carboxyl group
of DMPA is ionized to carboxylate form to further increase water compatibility.
The negative charge of the carboxyl group
is very easy to absorb into the positively charged zirconia, leading to the shift of IEP into a lower pH value.
The effect of increases in the carboxyl group
rotation angle, [phi], on the relative stability, [DELTA]E, of the [C.sup.1] and [C.sup.2]-centered glycine radicals respectively with fullerenes are shown in Fig.
maxima surface either amine or hydroxyl groups were mostly exposed, the carboxyl groups
were considered to act as the major binding sites of both microalga.
The organic acids vary in the number of hydroxyl and carboxyl groups
These results suggested that the reaction might have occurred with a carboxyl group
or groups in the enzyme.
Our approach is inspired by the early theoretical studies on dyes with -COOH anchors , which showed by means of density functional theory (DFT) calculations that the preferred binding configuration of the carboxyl group
is bidentate bridging.
In this fermentation, bacteria cleave a carboxyl group
off of malic acid, yielding lactic acid and C[O.sub.2]:
The hot melt composition comprising (a) 0.1% to 5% by weight of a pH indicator that is substantially colorless at pH 7 and develops a color in an acidic environment, (b) 20% to 90% by weight of a surfactant (c) 5% to 55% by weight of a polyalkyfene glycol, (d) 0% !o 70% by weight of a polymer having a carboxyl group
, and (e) 0.1% to 5% by weight of an acidic substance other than components (b) and (d): wherein the hot melt composition undergoes color change on being wetted with a body fluid and then returns to its original color before the color change on being dried.
Patent no. 8,080,704; absorbent article; Kensaku Uchida, Tokyo, Japan; Ikuo Kubota, Tokyo, Japan; Hideyuki Ishiguro, Tokyo, Japan; and Nobuyuki Kamishioiri, Tochigi, Japan. Assignor to Kao Corporation, Tokyo, Japan
Here, in o, m and p-Nitrobenzoic acid only nitro group, reduced by Bakers' Yeast into amino group without affecting carboxyl group
IA (methylene succinic acid) is a white, crystalline, unsaturated, dicarboxylated, vinyl monomer with one carboxyl group
conjugated to the methylene group.
Key statement: A rubber composition for a tire containing (i) 100 parts by weight of a diene-based rubber and (ii) 0.5 to 25 parts by weight of a heat-expandable microcapsule including a shell, and a substance capable of vaporizing or expanding under heating to thereby generate a gas and a nonpolar oil, both encapsulated in the shell, wherein the shell is made of a thermoplastic resin obtained by polymerization of a nitrile-based monomer (I), a monomer (II) having an unsaturated double bond and a carboxyl group
in the molecule thereof, an optional monomer (III) having two or more polymerizable double bonds, and an optional copolymerizable monomer (IV) for adjusting the expansion properties.