摘要:
An image processing apparatus includes a histogram producing section for producing a histogram of density signal levels of pixels constituting the image data, a reference density signal level detecting section for detecting from the histogram a density signal level processed by the maximum number of the pixels in a range excluding the maximum value and the minimum value of the density signal levels, a density signal level conversion range determining section for successively comparing the number of the pixels of each density signal level with a threshold value from the density signal level processed by the maximum number of the pixels to lower density signal levels, thereby determining a density signal level lower limit value of density signal levels to be converted and successively comparing the number of the pixels of each density signal level with a threshold value from the maximum value of the density signal level to lower density signal levels, thereby determining a density signal level upper limit value of density signal levels to be converted, a density signal level conversion value calculating section for calculating a conversion value so that density signal levels between the density signal level lower limit value and the density signal level upper limit value can be converted to density signal levels ranging from white to black and a density signal level converting section for converting the density signal levels of the pixels in accordance with the conversion value. According to the thus constituted image processing apparatus, it is possible to reproduce an electron microscope image having a desired gradation.
摘要:
A sensor unit of a surface plasmon resonance (SPR) assay system includes a transparent dielectric medium. A thin film has a first surface and a sensing surface. The first surface is connected with the dielectric medium to constitute an interface. The sensing surface is back to the first surface, for detecting (bio) chemical reaction. A flow cell block has a flow channel for flowing of the sample to the sensing surface. Attenuated total reflection of illuminating light is checked at the interface, to analyze interaction between ligand and analyte as samples. The flow channel includes a first inner surface, disposed opposite to the sensing surface to extend along, for passing the sample to flow between. The first inner surface has a height, defined with reference to the sensing surface, and in a range of 200-500 microns.
摘要:
A sensor unit of a surface plasmon resonance (SPR) assay system includes a transparent dielectric medium. A thin film has a first surface and a sensing surface. The first surface is connected with the dielectric medium to constitute an interface. The sensing surface is back to the first surface, for detecting (bio) chemical reaction. A flow cell block has a flow channel for flowing of the sample to the sensing surface. Attenuated total reflection of illuminating light is checked at the interface, to analyze interaction between ligand and analyte as samples. The flow channel includes a first inner surface, disposed opposite to the sensing surface to extend along, for passing the sample to flow between. The first inner surface has a height, defined with reference to the sensing surface, and in a range of 200-500 microns.
摘要:
A measuring apparatus and a measuring method are configured to measure a concentration of an organic solvent in a sample solution, measure a concentration of the organic solvent in a concentration control solution, calculate a mixture amount by which the concentration control solution is mixed into the sample solution of a preset amount so that the concentration of the organic solvent in the sample solution is equal to a preset concentration based on the two concentrations, mix the concentration control solution of the calculated mixture amount with the sample solution of the preset amount, supply a mixture solution obtained by the mixing unit to a measurement region in which a bioactive substance is immobilized in advance, and measure an interaction between the bioactive substance and the sample substance in the mixture solution based on a result of measuring a refraction index of a light incident on the measurement region.
摘要:
A method for conducting a receptor-ligand association reaction includes the steps of dipping a biochemical analysis unit including a substrate formed with a plurality of absorptive regions which contain receptors or ligands and are formed to be spaced apart from each other in a reaction solution containing a ligand or receptor labeled with a labeling substance, simultaneously inserting a plurality of electrodes into all of the plurality of absorptive regions containing the receptors or ligands and sequentially applying a positive voltage to one of the electrodes at a time while other electrodes are grounded, thereby conducting a receptor-ligand association reaction. According to the this method, it is possible to efficiently react a ligand or receptor with receptors or ligands fixed in the plurality of absorptive regions of the biochemical analysis unit and produce biochemical analysis data having an excellent quantitative characteristic with good repeatability.
摘要:
It is an object of the present invention to provide a method for simultaneously carrying out the detection or measurement of a substance interacting with a physiologically active substance immobilized on a biosensor and the analysis of the effects of the above substance on the biological activity of the physiologically active substance. The present invention provides a measurement method using a biosensor formed by immobilizing a physiologically active substance on a substrate, wherein the detection and measurement of a substance interacting with said physiologically active substance and the measurement of the biological activity of said physiologically active substance are carried out on said single biosensor.
摘要:
At a stage between a step for subjecting a receptor or a ligand to specific binding with ligands or receptors, each of which has been bound to one of porous adsorptive regions of a biochemical analysis unit, and a step for detecting the receptor or the ligand, which has been specifically bound to at least one of the ligands or at least one of the receptors, by the utilization of the labeling substance, at least one electrode is located such that the electrode is capable of causing an electric current to flow across each of the porous adsorptive regions of the biochemical analysis unit. A voltage is applied to the electrode in order to cause the electric current to flow across each of the porous adsorptive regions of the biochemical analysis unit.
摘要:
A biochemical analysis data producing method includes the steps of exposing stimulable phosphor layer regions formed in a stimulable phosphor sheet and spaced from each other using standard light, irradiating the stimulable phosphor layer regions with a stimulating ray, detecting stimulated emission to produce correction data for the individual stimulable phosphor layer regions, superposing the stimulable phosphor sheet on a biochemical analysis unit including spot-like regions formed in the same pattern as that of the stimulable phosphor layer regions and selectively containing a radioactive labeling substance, exposing the stimulable phosphor layer regions to the radioactive labeling substance, scanning the stimulable phosphor layer regions with a stimulating ray, detecting stimulated emission to produce biochemical analysis data, and correcting the biochemical analysis data using the correction data. According to this biochemical analysis data producing method, it is possible to produce biochemical analysis data having excellent quantitative characteristics.
摘要:
A radiation image read-out apparatus comprises a sheet holding device for holding a stimulable phosphor sheet on a cylindrical surface, and a spinner having a deflection mirror for reflecting stimulating rays coming from a semi-transparent mirror to the stimulable phosphor sheet, and a condensing lens which converges the reflected stimulating rays on the stimulable phosphor sheet and which has equal focal lengths with respect to stimulating rays and light emitted by the stimulable phosphor sheet. The deflection mirror and the condensing lens rotate together to scan the stimulating rays on the stimulable phosphor sheet in a main scanning direction, which sheet is moved in a sub-scanning direction. A detection lens converges the emitted light, which has passed through the condensing lens and comes from the semi-transparent mirror. An aperture plate allows only the emitted light after being thus converged to pass therethrough, and a photodetector is positioned at the rear of the aperture plate to detect the emitted light.
摘要:
The present invention provides a method of confirming the gene expression, useful in the decision of a five year survival rate of a patient with lung cancer and the use of a DNA probe kit in the method. A method useful in the decision of a survival rate of a patient with non-small cell lung cancer comprising confirming the expression strength of at least one gene in lung cancer tissues isolated from the patient.