Abstract: Provided are a surface-treated glass cloth capable of enhancing insulation reliability when used to prepare a prepreg, a prepreg and a printed wiring board using the surface-treated glass cloth. The surface-treated glass cloth includes a surface treatment layer on a surface, a glass constituting the glass cloth has a composition containing 52.0 to 60.0 mass % of SiO2, 15.0 to 26.0 mass % of B2O3, 9.0 to 18.0 mass % of Al2O3, 1.0 to 8.0 mass % of MgO, 1.0 to 10.0 mass % of CaO, 0 to 6.0 mass % of SrO, 0 to 6.0 mass % of TiO2, and 0.1 to 3.0 mass % in total of F2 and Cl2, based on the total amount of the glass, the glass cloth has a surface coverage of 75.0 to 100.0% and a thickness of 8 to 95 ?m, and the surface treatment layer contains a silane coupling agent having a methacrylic group and contains no surfactant.

Abstract: The glass roving cloth includes glass rovings each composed of glass filaments, each having a filament diameter Dt of 9.5 to 30.0 ?m, bundled in a number bundled Ft of 400 to 8000 as a warp yarn and glass rovings each composed of glass filaments, each having a filament diameter Dy of 9.5 to 30.0 ?m, bundled in a number bundled Fy of 400 to 8000 as weft yarns, wherein the weaving density of the warp yarns and weft yarn is 2.0 to 14.0 yarns/25 mm, the average yarn width of the warp yarn and the weft yarn are each 500 to 8000 ?m, the widening rate of the warp yarn and the weft yarn are each 3.0 to 30.0%, the glass occupancy in the warp yarn direction is 90.0 to 106.0%, and the glass occupancy in the weft yarn direction is 75.0 to 99.0%.

Abstract: Even when used in applications such as electronic materials, display materials, and inks, in which required standards in terms of coloring prevention, long term stability, low impurity content, and the like, are extremely high, the present invention can meet such required standards. The present invention addresses the problem of providing an allylamine (co)polymer which overcomes the limitations of the prior art, undergoes little coloring, contains little impurities and exhibits excellent long term stability; and a method for producing the same. This problem can be solved by an allylamine (co)polymer which has constituent units derived from allylamine and contains sulfuric acid groups in the structure thereof, in which the proportion of the sulfuric acid groups with respect to the total mass of the allylamine (co)polymer is 20,000 ppm by mass or less.

Abstract: The present invention provides a novel method which makes it possible to obtain, from a piece of tissue, a sample enriched with cells or cell nuclei of interest. A piece of tissue is subjected to pretreatment comprising water flow disruption and/or ultrasonic disruption to obtain a population of particles including individually separated cells or cell nuclei. A population of particles significantly abundant in cells or cell nuclei of interest is sorted or fractionated on the basis of optical properties of the cell nuclei in the separated cells or of the separated cell nuclei or on the basis of physical properties of the cell nuclei in the separated cells or of the separated cell nuclei.

Abstract: A glass composition includes 59.00 to 65.00% by mass of SiO2, 16.00 to 26.00% by mass of B2O3, 7.00 to 14.00% by mass of Al2O3, 0 to 5.00% by mass of CaO, 0 to 4.00% by mass of MgO, 0 to 6.00% by mass of SrO, 0.10 to 5.00% by mass of TiO2, 0 to 2.00% by mass of F2 and Cl2 in total, less than 0.20% by mass of P2O5, and less than 1.00% by mass of Na2O, K2O and Li2O in total, wherein the ratio of TiO2 to the total content of CaO, MgO, and SrO (TiO2/(CaO+MgO+SrO)) is from 0.66 to 4.00, and the content SI of SiO2 and the content A of Al2O3 satisfy the following formula (1): 1.00?1000×A/SI2?4.65 (1).

Abstract: A surface-colored glass cloth including a glass cloth which includes a warp and a weft and a plurality of colored portions which are attached to a surface of the glass cloth is disclosed. One colored portion is disposed in each area including one colored point. An average distance D between the adjacent colored points is 0.50 to 10.00 mm. When the number of warp rows is St, a warp widening degree is Et, the number of weft rows is Sy, and a weft widening degree is Ey in the glass cloth, D, St, Et, Sy, and Ey satisfy a formula: 3.3?100×D1/2×(Et×Ey)/(St×Sy)?25.0.

Abstract: A glass cloth including warp yarns and weft yarns that are glass yarns each formed by bundling 30 to 44 glass filaments each having a circle-equivalent diameter of 3.0 to 4.4 ?m, wherein the weaving density of the warp yarns and the weft yarns is 85 to 125 yarns/25 mm, at least either of the warp yarn and the weft yarn is a flat glass yarn formed of flat glass filaments, the weaving density thereof is less than 100 yarns/25 mm, the major axis DL of the flat glass filament is 3.3 to 6.0 ?m, the minor axis DS is 2.0 to 3.9 ?m, the number of twists T of each of the flat glass yarns is 0.70 twists/25 mm or less, and the number of the flat glass filaments F constituting each of the flat glass yarns, T, DL, and DS satisfy the following expression: 89.0 ? F × ( DL × ( 1 - T 1 / 2 ) + DS × T 1 / 2 ) / ( DL / DS ) ? 129.0 .

Abstract: An energy absorption member (21) includes a hollow cylindrical fiber-reinforced composite material including reinforcement fibers (22), in which tensile strength S (GPa), tensile modulus of elasticity M (GPa), and elongation rate E (%) satisfy the following expression (1), and a curable resin composition with which the reinforcement fibers (22) are impregnated. The volume content of the reinforcement fibers (22) in the fiber-reinforced composite material is 30 to 80%. 11.0?S2×M1/8/E1/2?22.

Abstract: The glass roving cloth includes glass rovings each composed of glass filaments, each having a filament diameter Dt of 9.5 to 30.0 ?m, bundled in a number bundled Ft of 400 to 8000 as a warp yarn and glass rovings each composed of glass filaments, each having a filament diameter Dy of 9.5 to 30.0 ?m, bundled in a number bundled Fy of 400 to 8000 as weft yarns, wherein the weaving density of the warp yarns and weft yarn is 2.0 to 14.0 yarns/25 mm, the average yarn width of the warp yarn and the weft yarn are each 500 to 8000 ?m, the widening rate of the warp yarn and the weft yarn are each 3.0 to 30.0%, the glass occupancy in the warp yarn direction is 90.0 to 106.0%, and the glass occupancy in the weft yarn direction is 75.0 to 99.0%.

Abstract: Provided is a glass direct roving that can achieve good productivity for long glass fiber-reinforced thermoplastic resin pellets, and achieve excellent spinning productivity and good strength of glass fiber-reinforced resin molded articles produced by using long glass fiber-reinforced thermoplastic resin pellets in combination. The glass direct roving includes a plurality of glass filaments bundled together, wherein the filament diameter of the glass filaments, D, is in the range of 17.5 to 21.5 ?m, the number of the glass filaments bundled, F, is in the range of 3000 to 7000, the mass of the glass direct roving is in the range of 2450 to 4000 tex, the ignition loss of the glass direct roving, L, is in the range of 0.03 to 0.90%, and the D, F, and L satisfy the following formula (1): 1 ? 0 ? 5 ? 0 ? ( D 4 × F 1 / 4 ) / ( 1000 × L 1 / 6 ) ? 1 640.

Abstract: A surface-colored glass cloth including a glass cloth which includes a warp and a weft and a plurality of colored portions which are attached to a surface of the glass cloth is disclosed. One colored portion is disposed in each area including one colored point. An average distance D between the adjacent colored points is 0.50 to 10.00 mm. When the number of warp rows is St, a warp widening degree is Et, the number of weft rows is Sy, and a weft widening degree is Ey in the glass cloth, D, St, Et, Sy, and Ey satisfy a formula: 3.3?100×D1/2×(Et×Ey)/(St×Sy)?25.0.

Abstract: The glass fiber-reinforced resin molded article includes a glass fiber fabric and a transparent resin. The average resin unimpregnation ratio in proximity to filament of the glass fiber fabric is more than 2.0% and 50.0% or less, the warp yarn width Bt and the weft yarn width By of the glass fiber fabric each are from 0.50 to 8.50 mm, the warp yarn weaving density Wt and the weft yarn weaving density Wy of the glass fiber fabric each are from 3.0 to 50 yarns/25 mm, and the degree of widening of warp yarn Et and the degree of widening of weft yarn Ey of the glass fiber fabric each are from 0.70 to 1.10.

Abstract: The surface-treated glass cloth includes a surface treatment layer on a surface, and the surface treatment layer includes: a first silane coupling agent containing at least one amine selected from the group consisting of a primary amine, a secondary amine and a tertiary amine and containing no quaternary ammonium cation; a second silane coupling agent containing at least one quaternary ammonium cation; an organic acid; and a surfactant. A total content of the first silane coupling agent and the second silane coupling agent is 0.05 to 1.20 mass% based on the total amount of the surface-treated glass cloth, a ratio of a molar content of the first silane coupling agent to a molar content of the second silane coupling agent is 1.1 to 10.0, and a content of the organic acid is 50 to 300 ppm based on the total amount of the surface-treated glass cloth.

Abstract: A glass composition for glass fiber includes SiO2 in the range of 52.0% by mass or more and 56.0% by mass or less; B2O3 in the range of 21.0% by mass or more and 24.5% by mass or less; Al2O3 in the range of 9.5% by mass or more and 13.0% by mass or less; MgO in the range of 0% by mass or more and less than 1.0% by mass; CaO in the range of 0.5% by mass or more and 5.5% by mass or less; SrO in the range of 0.5% by mass or more and 6.0% by mass or less; and TiO2 in the range of 0.1% by mass or more and 3.0% by mass or less; and includes F2 and Cl2 in the range of 0.1% by mass or more and 2.0% by mass or less in total, with respect to the total amount.

Abstract: Provided is a glass composition for glass fiber having a low dielectric constant and a low dielectric loss tangent, suppressing occurrence of phase separation, and reducing viscosity at high temperatures. The glass composition for glass fiber includes: SiO2 in the range of 52.0 to 59.5% by mass; B2O3 in the range of 17.5 to 25.5% by mass; Al2O3 in the range of 9.0 to 14.0% by mass; SrO in the range of 0.5 to 6.0% by mass; MgO in the range of 1.0 to 5.0% by mass; and CaO in the range of 1.0 to 5.0% by mass, and includes F2 and Cl2 in the range of 0.1 to 2.5% by mass in total, with respect to the total amount.

Abstract: Provided are: a monoclonal antibody against human IgG4, for which the epitope is present in the CH3 of human IgG4 given by SEQ ID NO: 4; a hybridoma that produces the monoclonal antibody; a method for detecting IgG4 using the monoclonal antibody; and a kit used in this method.

Abstract: A glass cloth includes warp yarns and weft yarns formed by bundling in the range of 14 to 55 glass filaments having a diameter in the range of 3.0 to 4.2 ?m, and has a weaving density of the warp yarns and the weft yarns of 86 to 140 yarns/25 mm, a thickness of 7.5 to 12.0 ?m, a mass of 6.0 to 10.0 g per m2, and an average number of stages of 2.00 or more and less than 3.00, an average degree of opening, which is indicated as the geometric mean of the degree of opening of the warp yarns and the degree of opening of the weft yarns, in the range of 1.000 to 1.300, and a yarn width ratio, as the ratio of the yarn width of the warp yarns to that of the weft yarns, in the range of 0.720 to 0.960.

Abstract: Provided is a glass fiber-reinforced resin molded article having well-balanced and excellent static and dynamic strength and fluidity. In the glass fiber-reinforced resin molded article, glass fiber included in the glass fiber-reinforced resin molded article includes a flat cross-sectional shape having a minor axis D1 in the range of 3.0 to 10.5 ?m and a major axis D2 in the range of 11.0 to 29.0 ?m, the number average fiber length L (?m) of the glass fiber included in the glass fiber-reinforced resin molded article is in the range of 150 to 475 ?m, the glass fiber content C (wt %) in the glass fiber-reinforced resin molded article is in the range of 40.0 to 75.0 wt %, and the above DI, D2, L, and C satisfy the following formula (1): 260.0<C2×L/(D1×D22)<400.0??(1).

Abstract: Provided is a glass fiber-reinforced resin molded article having high tensile strength and high impact strength in combination with a low dielectric constant and a low dissipation factor. The glass fiber-reinforced resin molded article contains: 10 to 90 mass % of a glass fiber; and 90 to 10 mass % of a resin based on the total amount of the glass fiber-reinforced resin molded article, wherein the glass fiber has composition containing: 52.0 to 57.0 mass % of SiO2; 13.0 to 17.0 mass % of Al2O3; 15.0 to 21.5 mass % of B2O3; 2.0 to 6.0 mass % of MgO; 2.0 to 6.0 mass % of CaO; 1.0 to 4.0 mass % of TiO2; and less than 1.5 mass % of F2, and the total amount of Li2O, Na2O, and K2O is less than 0.6 mass %, based on the total amount of the glass fiber, and the glass fiber has a number-average fiber length of 30 to 5000 ?m.

Abstract: Provided is a method for producing glass fiber, capable of stably performing the spinning of glass fibers without mixing of red crystals in glass fibers. When glass fibers are formed by discharging, from a nozzle tip, a molten glass obtained by melting glass raw materials mixed so as to give a glass composition including, when melted, in relation to the total amount thereof, SiO2 in a range from 57.0 to 62.0% by mass, Al2O3 in a range from 15.0 to 20.0% by mass, MgO in a range from 7.5 to 12.0% by mass, and CaO in a range from 9.0 to 16.5% by mass, and having a total content of SiO2, Al2O3, MgO and CaO of 98.0% by mass or more, the glass composition includes B2O3, Li2O, or B2O3 and Li2O as an additive or additives capable of suppressing the generation of red crystals.