44results about How to "High OD value" patented technology

It is a detecting ischemia modified albumin (IMA) reagent kit and detection method, and the reagent kit contains different division to remove the background interference material device, which can be centrifugal ultrafiltration IMA detection reagent kit, immunomagnetic beads IMA detection reagent kit, immunochromatography IMA detection reagent kit, immune chromatography membrane IMA detection board reagent kit or immune membrane filtration plate IMA detection reagent kit. After division removal of the background interference material, it can enhance the specific of detection IMA reagent kit and detection method, and using this reagent kit and hospital existing equipments, in about half an hour, it can measure the IMA value to diagnosis myocardial ischemia symptoms. Particularly suitable for bedside rapid detection kit development, ease to use, low cost, it is a very development promising product.

A black coating composition which gives a highly adhesive resin black matrix that exhibits a high OD value which was able to be attained only by metal thin film black matrices is disclosed. The black coating composition comprises as indispensable components a titanium nitride oxide and a resin. The X-ray intensity ratios R₁ and R₂ of the titanium nitride oxide represented by the Equations (1) and (2) below, respectively, satisfy the relationships represented by Formulae (3) and (4)below:

R₁=I₃/{I₃+1.8(I₁+1.8I₂)}  (1)

R₂=I₂/I₁  (2)

R₁>0.70  (3)

0.85<R₂<1.80  (4)

wherein I₁ represents the maximum diffraction intensity of the titanium nitride oxide when the angle of diffraction 2θ, determined by using CuKα line as the X-ray source, is 25° to 26°, I₂ represents the maximum diffraction intensity of the titanium nitride oxide when the angle of diffraction 2θ is 27° to 28°, and I₃ represents the maximum diffraction intensity of the titanium nitride oxide when the angle of diffraction 2θ is 36° to 38°.

The invention discloses a kit for rapidly detecting a novel coronavirus antibody based on a mixed antigen. The kit comprises COVID-19 nucleocapsid protein antigen colloidal gold and COVID-19 fibrin antigen colloidal gold. The kit is used for diagnosing the novel coronal pneumonia, is simple in operation, and the COVID-19 nucleocapsid protein antigen colloidal gold and the COVID-19 fibrin antigen colloidal gold can be directly mixed to be used as a whole for detection, or during detection, the COVID-19 nucleocapsid protein antigen colloidal gold and the COVID-19 fibrin antigen colloidal gold are directly mixed for detection, so that the detection sensitivity is high, and effective control of epidemic situations is facilitated.

Method for fabricating color filter includes following steps: preparing first base layer; preparing a black resin matrix layer on surface of the first base layer; forming a chromatic layer on surface of the first base layer, the chromatic layer and the black resin matrix layer are distributed on the first base layer alternately, and part of the chromatic layer is extended to whole surface of the black resin matrix layer.

The present invention relates to color optical filter and LCD device therewith. The color optical filter includes one first substrate, and one black matrix and coloring layer. The black matrix layer includes one anti-reflecting layer and one mask layer set on the first substrate layer successively; the coloring layer and the black matrix layer are set on the first substrate alternately; and the coloring layer covers the surface of the mask layer.

The invention discloses a kit of Mycobacterium tuberculosis and a detection method thereof. The kit contains an enzyme-linked immunosorbent assay (ELISA) plate, a biotin-labeled single-stranded DNA adaptor, horseradish peroxidase-labeled streptavidin and a chromogenic substrate. In the detection method provided by the invention, the biotin-labeled single-stranded DNA adaptor of Mycobacterium tuberculosis H37Rv is used as a probe and a method which is similar to the indirect enzyme-linked immunosorbent assay (ELISA) method is adopted to detect Mycobacterium tuberculosis; and Mycobacterium tuberculosis or sputum to be detected or a body fluid sample, and a control sample are added in the ELISA plate for incubation, Mycobacterium tuberculosis combined with the plate is trapped by the biotin-labeled single-stranded DNA adaptor and then washed, the horseradish peroxidase-labeled streptavidin is added, the substrate is added for developing, and the optical density (OD) value is detected by a microplate reader after developing when the absorption wavelengh is 450nm. When the kit provided by the invention detects Mycobacterium tuberculosis or the Mycobacterium tuberculosis or somatic antigen in sputum, blood and body fluid, the detection speed is high, the detection is convenient and safe, the detection time can be saved, the efficiency is high, the cost is low, the detection sensitivity and accuracy are high, and the application prospect is wide.

The method for making semi-sterile culture of heterotrophic chlorella adopts two steps: first step is sterile culture and second step is open layer-volume culture. Said ivnention can simplify cultureoperation, and can greatly reduce culture cost, and can obtain high-purity heterotrophic chlorella.

It is an object of the present invention to provide an ink jet recording ink composition with good reliability and print quality, a high OD value, and good fixability that affords excellent smear resistance. This object is achieved with the present invention by providing ink jet recording ink composition comprising at least a self-dispersing pigment and two types of resin particles with mutually different properties. The above-mentioned two types of resin particles are two types of resin particles whose glass transition points, average sizes, minimum film-formation temperatures, zeta potentials, and other such properties are mutually different. The present invention also provides a recording method, wherein the above-mentioned ink composition is used to form an image on a recording medium, and provides recorded matter comprising an image formed on a recording medium using the above-mentioned ink composition.

It is an object of the present invention to provide an ink jet recording ink composition with good reliability and print quality, a high OD value, and good fixability that affords excellent smear resistance. This object is achieved with the present invention by providing ink jet recording ink composition comprising at least a self-dispersing pigment and two types of resin particles with mutually different properties. The above-mentioned two types of resin particles are two types of resin particles whose glass transition points, average sizes, minimum film-formation temperatures, zeta potentials, and other such properties are mutually different. The present invention also provides a recording method, wherein the above-mentioned ink composition is used to form an image on a recording medium, and provides recorded matter comprising an image formed on a recording medium using the above-mentioned ink composition.

The invention discloses a pigment solution for a black matrix, a black matrix as well as a preparation method of pigment solution and a display panel. The pigment solution for the black matrix is prepared from a first dispersion agent, a solvent, resin and flaky pigment for reflecting light. The pigment solution for the black matrix according to embodiments of the invention is prepared from the first dispersion agent, the solvent, the resin and the flaky pigment for reflecting light, the pigment solution for the black matrix is used for producing the black matrix, the flaky pigment is high incapability for insulating the entry of the light, the light can be completely reflected, an OD value is higher, the cost is low by adopting the resin material, and the resistivity is higher.

The invention discloses a saccharomyces cerevisiae strain rich in GABA and an identification method thereof, and belongs to the technical field of microbes. The strain is named as SS-A-1 (saccharomyces cerevisiae SS-A-1), has been preserved in China Center for Type Culture Collection (CCTCC), and has a preservation number of CCTCC No.M201825. The 18SrDNA sequence of the strain is represented by the SEQ ID No.1. The intracellular SOD enzyme activity of the saccharomyces cerevisiae SS-A-1 is high and can reach 40.57 u/mL; the extracellular GABA content is high and can reach 1345.42 mg/mL; moreover, the saccharomyces cerevisiae SS-A-1 has a good acid resistant property and a good effect on inhibiting pathogenic bacteria, in particular, micrococcus luteus, and the safety coefficient of obtained fermentation product is high.

It is an object of the present invention to provide an ink jet recording ink composition with good reliability and print quality, a high OD value, and good fixability that affords excellent smear resistance. This object is achieved with the present invention by providing ink jet recording ink composition comprising at least a self-dispersing pigment and two types of resin particles with mutually different properties. The above-mentioned two types of resin particles are two types of resin particles whose glass transition points, average sizes, minimum film-formation temperatures, zeta potentials, and other such properties are mutually different. The present invention also provides a recording method, wherein the above-mentioned ink composition is used to form an image on a recording medium, and provides recorded matter comprising an image formed on a recording medium using the above-mentioned ink composition.

The invention provides a CAR-T cell for overcoming TGF-beta immunosuppression for a solid tumor. The CAR-T cell is a CAR-T cell for blocking a TGF-beta signal and targeting the solid tumor. The double-target CAR is adopted to increase the number of effective antigens on the surface of the solid tumor, wider immune response is carried out, the activation of the T cell is enhanced through the synergistic effect, the binding efficiency of the CAR-T and the tumor cell is improved, and the problems of relapse and metastasis caused by tumor immune escape are solved to a greater extent. The CAR capable of keeping activity in TME and resisting immunosuppressive cytokines is designed, the expression of corresponding immunosuppressive cytokines (TGF beta RII) on the surface of the T cell is reducedthrough a gene editing technology (CRISPR/CAS9), the tumor microenvironment is overcome, the activity of the CAR-T cell is improved, and the CAR-T cell is more effective in solid tumor treatment.

A black ink for ink-jet includes a pigment wherein an average particle diameter Da of the pigment is in the range of about 90 nm to about 130 nm. In addition, (D95−D5)/Da is about 1.4 or less, where D5 is the 5% cumulative particle diameter of the pigment and D95 is the 95% cumulative particle diameter of the pigment. A color ink for ink-jet recording also includes a pigment with the value Da of about 100 nm or less and (D95−D5)/Da of about 1.3 or less.

The invention discloses an escherichia coli fermentation liquor concentration process, comprising the following steps: performing filter washing on escherichia coli fermentation liquor, and then performing concentrating and separating on the filtrate by a ceramic film under the condition of operation pressure of 0-6Bar. The invention also discloses an escherichia coli fermentation liquor concentration system, comprising a stock solution tank, a delivery pump, a self-cleaning filter and a ceramic film component which are connected in series, wherein the ceramic film component is internally connected with a concentrated liquor tank and a permeating liquor tank; and the operation pressure of the ceramic film component is 0-6Bar.

The present invention addresses the problem in providing an optical filter that can improve the detection accuracy of an ambient light sensor even if a system for authenticating biometric features andthe ambient light sensor are arranged at close positions. The optical filter of the present invention has a substrate (i) and a light scattering layer formed on at least one surface of the substrate(i), and is characterized in that an OD value when measured at a wavelength of 940 nm from the direction perpendicular to the optical filter is 3 or more.

The invention provides a fermentation medium for preparing hydroxyl-containing carboxylic acid and salt thereof by utilizing bacillus coagulans and a fermentation method. The fermentation medium contains an organic nitrogen source and an inorganic nitrogen source, and the mass ratio of the organic nitrogen source to the inorganic nitrogen source is 1:(1-6), preferably 1:(1.3-2.5). According to thefermentation medium provided by the invention, the OD value of the bacterial liquid is effectively controlled, meanwhile, the high conversion rate is realized by controlling the concentration of thecarbon source, the balance between the high OD value and the high conversion rate is achieved, and the yield of a fermentation product is not inhibited, so that the hydroxyl-containing carboxylic acidand the salt thereof prepared by utilizing the fermentation medium provided by the invention are high in production speed and high in conversion rate; besides, the finally obtained fermentation liquor is high in product concentration and high in optical purity.