A sensor for carbon dioxide can include an amidine functional group.

A sensor for carbon dioxide can include an amidine functional group.

Provided is an aqueous ink composition for writing instruments which is excellent in an antibacterial property and an antifungal property without damaging storage stability and writing performances. The aqueous ink composition for writing instruments according to the present invention is characterized in that at least particles comprising principally a polymer represented by the following Formula (I) are contained as an active ingredient and that a content thereof is 0.1 to 30 mass %:

##STR00001##

wherein R is an alkyl group having 2 to 8 carbon atoms.

Provided is an aqueous ink composition for writing instruments which is excellent in an antibacterial property and an antifungal property without damaging storage stability and writing performances. The aqueous ink composition for writing instruments according to the present invention is characterized in that at least particles comprising principally a polymer represented by the following Formula (I) are contained as an active ingredient and that a content thereof is 0.1 to 30 mass %:

##STR00001##

wherein R is an alkyl group having 2 to 8 carbon atoms.

A composition includes a polymer including extending chains, side chains, or branches. One (or more) of a plurality of a first strand of nucleic acid is attached to each of a plurality of the side chains. One (or more) of a plurality of a second strand of nucleic acid, which is complementary to the first strand of nucleic acid, is complexed to each of the plurality of the first strand of nucleic acid to form a double strand of nucleic acid on each of the plurality of the side chains. At least one fluorescent compound is associated with the double strand of nucleic acid on each of the plurality of the side chains.

A composition includes a polymer including extending chains, side chains, or branches. One (or more) of a plurality of a first strand of nucleic acid is attached to each of a plurality of the side chains. One (or more) of a plurality of a second strand of nucleic acid, which is complementary to the first strand of nucleic acid, is complexed to each of the plurality of the first strand of nucleic acid to form a double strand of nucleic acid on each of the plurality of the side chains. At least one fluorescent compound is associated with the double strand of nucleic acid on each of the plurality of the side chains.

A composition includes a near infrared absorbing pigment, a compound represented by Formula (1), a primary to tertiary amine compound having a molecular weight of 500 or less and a boiling point of 300 C. or lower, a resin, and a solvent, in which the compound represented by Formula (1) has a solubility in propylene glycol methyl ether acetate at 25 C. of 0.1 g/L or higher, and a content of the amine compound in a total solid content of the composition is 10 to 5000 mass ppm.

P.sup.1L.sup.1-(X.sup.1).sub.n).sub.m(1)

A composition includes a near infrared absorbing pigment, a compound represented by Formula (1), a primary to tertiary amine compound having a molecular weight of 500 or less and a boiling point of 300 C. or lower, a resin, and a solvent, in which the compound represented by Formula (1) has a solubility in propylene glycol methyl ether acetate at 25 C. of 0.1 g/L or higher, and a content of the amine compound in a total solid content of the composition is 10 to 5000 mass ppm.

P.sup.1L.sup.1-(X.sup.1).sub.n).sub.m(1)

The present invention provides an aqueous emulsion excellent in heat resistance, water resistance (particularly, hot water resistance and boiling resistance), and viscosity stability. The present invention also provides an adhesive containing the aqueous emulsion, forming an adhesive layer resistant to staining, and ensuring a high level of safety. The present invention relates to an aqueous emulsion containing an ethylenically unsaturated monomer unit-containing polymer (A) as a dispersoid and vinyl alcohol polymer (B) as a dispersant, wherein, the ethylenically unsaturated monomer unit-containing polymer (A) includes a structural unit derived from a radical-polymerizable ethylenically unsaturated monomer (a) having a functional group represented by the following general formula (W), and the degree of saponification of the vinyl alcohol polymer (B) is 80 mol % or more:

##STR00001##

wherein, X is an oxygen atom or sulfur atom, and * represents a bond.

The invention relates to a curable composition comprising: a) at least one polymer having at least one silicon-containing group of formula Si(R.sup.1).sub.k(Y).sub.3-k as defined herein; b) at least one titanium complex of formula TiL(OR.sup.3).sub.2 wherein each R.sup.3 is independently selected from a C.sub.1-20 alkyl or aryl which may optionally contain one or more heteroatoms, preferably selected from silicon, sulfur, nitrogen or oxygen atoms, wherein preferably R.sup.3 is selected from n-butyl or isopropyl, and L is a deprotonated, tridentate ligand, and c) optionally at least one compound which has a hydrolyzable silicon-containing group and a weight average molecular weight in the range of 100 to 1000 g/mol, preparations containing these compositions and use thereof.