The invention relates to a porphyrin time domain indicator. The indicator may be used for detection of a particular analyte in vivo or in vitro. The indicator may be used for detection of glucose in vivo or in vitro.

The invention relates to a porphyrin time domain indicator. The indicator may be used for detection of a particular analyte in vivo or in vitro. The indicator may be used for detection of glucose in vivo or in vitro.

Provided is a photochromic lens in which a transmittance at 23 C. after irradiation using a xenon lamp at an illuminance of 50,000 lux for 15 minutes satisfies the following conditions. (1) A transmittance at 550 nm is 25% or less. (2) A transmittance a at 550 nm is larger than a minimum transmittance b between 575 nm and 600 nm, and a difference between the transmittance a and the transmittance b is 5% or more. (3) There are one or more points of inflection in a transmittance curve from 550 nm to 600 nm.

A colored fluid for use in a display device comprises at least one first pigment, at least one non-polar solvent, and at least one polymeric dispersant comprising the formula:
(Z-U).sub.x-P-(V-W).sub.y. P is a residue of a second pigment, which may be the same or different from the first pigment. Each Z is independently a non-polar polymer. Each U and V are various linking groups. Each W is independently selected from H, OH, SH, alkyl, aryl, alkylaryl, ammonium, alkylammonium, arylammonium, alkali metal, and alkaline earth metal. Each V-W bond is a covalent or ionic bond, x is an integer greater than or equal to 1, and y is an integer greater than or equal to 1, and wherein for the colored fluid, at least one polymeric dispersant comprises an ionic (V-W) moiety.

Provided are a curable coloring composition which is suitable for the production of a cured film in cyan color, having good moisture resistance, a color filter, an image sensor, and a method for producing a cured film. The curable coloring composition includes a coloring agent including a phthalocyanine pigment having Al as a central metal, a basic pigment derivative, and a curable compound, in which the coloring agent includes 80% by mass or more of the phthalocyanine pigments, and the content of the phthalocyanine pigment having Al as a central metal among the phthalocyanine pigments is 30% by mass or more.

This invention relates to particles comprising a pigment core particle encapsulated by a polymer, a process for their preparation, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids.

A near infrared absorbing colorant polymer has a maximal absorption in a wavelength range of 700 to 1200 nm. It is preferable that the near infrared absorbing colorant polymer includes at least one near infrared absorbing colorant structure selected from the group consisting of a pyrrolopyrrole colorant, a cyanine colorant, a squarylium colorant, a diimonium colorant, a phthalocyanine colorant, a naphthalocyanine colorant, a rylene colorant, a dithiol complex colorant, a croconium colorant, an oxonol colorant, a triarylmethane colorant, a pyrromethene colorant, an azomethine colorant, an anthraquinone colorant, and a dibenzofuranone colorant.

Described herein are polymeric fluorophores that include a dye, a polymer, and optionally a bioconjugate group. A polymeric fluorophore may have a structure represented by: A-B-C or C-A-B, wherein A is a dye; B is a polymer comprising one or more hydrophobic unit(s) and one or more hydrophilic unit(s); and optionally C, wherein C, when present, comprises a bioconjugate group. Also described herein are compositions comprising the polymeric fluorophores and methods of preparing and using the same.

There is provided a resin-treated pigment that is useful as a coloring agent for color filters or inkjet inks, that can expand a hue range and improve performances such as color density, color developability, and transparency, and that is excellent in properties such as dispersibility and dispersion stability of pigments, re-dissolvability, and alkali-solubility. An A-B block copolymer 90% by mass or more of which is constituted by a methacrylate-based monomer or methacrylate-based monomers, in which the block A has a carboxy group-containing methacrylate as a constituent, and the block B has an ionic bond moiety represented by formula (1) as a constitutional unit, the ionic bond moiety containing a methacrylate, and an organic coloring matter having one or more sulfonate ions each being bonded thereto and each being a counter ion of a nitrogen cation of a quaternary ammonium salt.

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Described herein is a UV/HEVL-filtering SiHy contact lens that not only has a relatively high UV/HEVL filtering capability but also has an aesthetic appealing color. The bulk silicone hydrogel of the UV/HEVL-filtering SiHy contact lens comprises repeating units of (1) at least one hydrophilic vinylic monomer, (2) at least one siloxane-containing vinylic monomer and/or at least one polysiloxane vinylic crosslinker, (3) at least one UV-absorbing vinylic monomer, and (4) a least one polymerizable HEVL-absorbing compound capable of absorbing HEVL between 380 nm and 450 nm and also comprises at least one blue-tinting agent and at least one optical brightener distributed therein.