摘要:
A spectral sensor comprises that a plurality of arrays of light receiving elements sensitive to different wavelength ranges which are arranged in a non-overlapping relationship with each other within the imaginary circle of a diameter smaller than the sum of lengths of the resective arrays of light receiving elements, and a filtering element of different transmission wavelength for each of the light receiving elements of all of the arrays, which filtering element is arranged in register with the respective light receiving element.
摘要:
A spectrophotometer utilizes a band-pass filter array for splitting incident light into a plurality of light components of different wavelengths, a plurality of silicon photodiodes for receiving the respective light components, and a memory for storing spectral sensitivity information. The spectral sensitivity information is obtained by integrating the spectral sensitivities of spectrodetectors relative to each sectionalized wavelength regions sectionally generated from a measurement wavelength region. Each of the spectrodetectors include a band-pass filter array and a silicon photodiode in combination. A central processing unit calculates simultaneous equations representing the relation between the output from each of the silicon photodiodes, the spectral sensitivity information stored in memory and the light intensity of the sectionalized wavelength region, to obtain the light intensity.
摘要:
A spectrophotometer utilizes a band-phase filter array for splitting incident light into a plurality of light components of different wavelengths, a plurality of silicon photodiodes for receiving the respective light components, and a memory for storing spectral sensitivity information. The spectral sensitivity information is obtained by integrating the spectral sensitivities of spectrodetectors relative to each sectionalized wavelength regions sectionally generated from a measurement wavelength region. Each of the spectrodetectors include a band-pass filter array and a silicon photodiode in combination. A central processing unit calculates simultaneous equations representing the relation between the output from each of the silicon photodiodes, the spectral sensitivity information stored in memory and the light intensity of the sectionalized wavelength region, to obtain the light intensity.
摘要:
A colorimeter comprises a light source, a mixing box formed of non-coated light diffusing surface manufactured by molding sintering white ceramics or white resin for diffusing and reflecting light from the light source to guide the same to a sample, first light receiving means for receiving light reflected from the sample when light is emitted from the light source, and second light receiving means for receiving light other than the light reflected from the sample emitted from the light source.
摘要:
The present invention relates to a fluorescent label characterized by containing a hydrophilic polymer having an anionic group, a polyether derivative, and a phosphor, in which the phosphor is bound to the hydrophilic polymer via the polyether derivative, and also relates to a fluorescently labeled recognition substance labeled with the fluorescent label, and an immunoassay method using the recognition substance.
摘要:
The present invention relates to a fluorescent label characterized by containing a hydrophilic polymer having an anionic group, a polyether derivative, and a phosphor, in which the phosphor is bound to the hydrophilic polymer via the polyether derivative, and also relates to a fluorescently labeled recognition substance labeled with the fluorescent label, and an immunoassay method using the recognition substance.
摘要:
Disclosed are a color developing method utilizing the reaction of an indolyl derivative with an enzyme in the presence of a specific free radical compound and/or a specific chelate compound, and an enzyme immunoassay using the color developing method.
摘要:
A two-dimensional colorimeter focuses light through a beam splitter onto a rotary filter so that a first light receiving element can receive light from multiple points on a sample. A rotating filter can provide multiple measurements based upon different wavelengths of light. A portion of the light from the beam splitter also contacts a spectral sensor which separates the light from a particular point into primary wavelength elements which are converted into electrical signals. Based upon these primary wavelength elements, the first signals from the light receiving element are corrected. As a result, the measurement of chromaticity of multiple points on a sample can be performed accurately using a device of simple construction.
摘要:
A method for determining the activity of cholinesterase comprising the steps of:mixing a solution containing p-methoxybenzoate demethylmonooxygenase, nicotinamide adenine dinucleotide reduced form (NADH) and p-methoxybenzoyl choline cation having the following formula: ##STR1## with a liquid containing cholinesterase, measuring the decrease in absorbance of light by NADH, which is based on a consumption of NADH, and calculating the activity of cholinesterase therefrom.
摘要:
A hand-carriable, compact color meter for indicating proper amount of adjustment of color compensation filters interposed in the light path of a color printer for the compensation of color balance of the light illuminating a film or the slide set on the printer. The color meter includes an indicating lamp, a photocell to be exposed to the light passing through the film or slide, a plurality of optical color filters selectively disposed in front of the photocell to provide the photocell with spectral sensitivities corresponding to the spectral sensitivity of the printing paper, a plurality of fixed or variable resistors selectable in correspondence to the selection of the color filter, and an electric circuit for actuating the indicating lamp in accordance with the relationship between the output of the light measuring circuit and a reference voltage commensurate with the selected one of the resistors. In a preferred embodiment, the color meter further includes a combination of a variable resistor and a filter for determination of exposure time.