The present invention relates to a liquid immersion micro-channel measurement device and measurement method which are based on trapezoidal incident structure prism incident-type silicon, and according to one embodiment of the present invention, the liquid immersion micro-channel measurement device based on trapezoidal incident structure prism incident-type silicon comprises: a micro-channel structure including a support and at least one micro-channel, which is formed on the support and has a sample detection layer to which a first bioadhesive material for detecting a first sample is fixed; a quadrangular pyramid-shaped prism formed on the upper part of the micro-channel structure; a sample injection unit for injecting, into the micro-channel, a buffer solution containing the first sample; a polarized light generation unit for emitting incident light polarized through the prism on the micro-channel at an incident angle that satisfies a p-wave non-reflection condition; and a polarized light detection unit for detecting, from the polarized incident light, a polarization change in a first refection light reflected from the sample detection layer, wherein the prism completely reflects, from the polarized incident light incident on the prism, on an upper boundary surface of the prism, second reflection light reflected from a lower boundary surface of the prism and a boundary surface of the buffer solution injected into the micro-channel.

An inspection chip according to the present invention is an inspection chip for stirring liquid by a circular movement of a bottom surface end, including a well main body for accommodating the liquid and a side wall member arranged on a side surface of the well main body. The bottom surface end has a bottom surface structure in contact with a rotating member for allowing the bottom surface end to perform the circular movement in a position leaning from a center line of the well main body toward the side wall member.

[Problems] Objects include providing a cover film for testing that can be well fixed to a substrate having a groove and does not adversely affect the groove, providing a testing member comprising the cover film for testing, and providing a method of manufacturing the testing member. [Solution] The cover film for testing (1) comprises a base material (10) and a thermoplastic resin layer (20) laminated on one surface side of the base material (10). The thermoplastic resin layer (20) constitutes an outermost layer at one side of the cover film for testing (1).

A cuvette in which a fluorescent enzymatic reaction can be carried out that is for analyzing a sample includes at least one vertical wall and a bottom. The cuvette is made of a transparent or translucent material and a portion of the cuvette is partially covered on the outside with a sleeve including an inner coating made of retro-reflective material that is in contact with the cuvette.

The invention relates to a sample-holding element (20) for a liquid sample for the simultaneous analysis of three or more chemico-physical parameters of the liquid by means of an analysis device. The sample-holding element (20) has a sample-holding chamber (31), which can be filled with the liquid, wherein the sample-holding element (20) has at least three measurement points (24, 25, 26, 26N, 27) arranged adjacent to each other, which are distributed over the sample-holding chamber (31), wherein two of the measurement points (24, 25) are a photonic measurement point (24) and a refractive-index measurement point (25) and wherein the at least one further measurement point is selected from the group comprising at least a pH measurement point (26), a conductivity measurement point (27) and a germ measurement point. The sample-holding element (20) is a planar element (20) that is double-walled at least in some sections and that has plates (30, 30), which are arranged on each other in a plane-parallel manner and are connected to each other at the edges thereof at least in some sections, wherein the sample-holding chamber (31) is formed as a planar gap between the plates (30, 30) and the distance between the plates (30, 30) is just so large that the liquid sample can be subjected to the capillary effect between the double walls (30, 30). The measurement point (25) for measuring the refractive index has a refraction structure (25, 25) on one of the plates (30, 30) in a region predefined therefor. The invention further relates to an analysis device set having the sample-holding element (20) and having an analysis apparatus (1) and to a method for the simultaneous analysis of three or more chemico-physical parameters of the liquid.

The present invention relates to an optical analysis device using a multi-light source structure, which allows acquisition of an optimized measurement result by adjusting the number of light sources depending on a concentration of an object to be measured, such as ocean spilled oil, etc., and a method therefor. The optical analysis device using a multi-light source structure may comprise: a multi-light source unit including multiple light source units each having a light source which is selectively illuminated, in order to adjust an amount of light depending on a concentration of an object to be measured; a cuvette unit including a cuvette in which an object to be measured is disposed, wherein the cuvette has a prism shape and has as many faces as the number of the light source units plus one, the light source units faces the faces, respectively, and reactive light generated from the object to be measured is emitted through the remaining one face; a light sensor unit for detecting the reactive light emitted through the cuvette; and a control unit for controlling illumination of the light source units configuring the multi-light source unit.

The invention provides a combination of a sample container and energy dispersion device, and method of manufacture. Among possible applications is construction of compact spectrometers optimized for a single use. The sample container includes diffraction gratings such that, when the container is illuminated with collimated light and observed with optics focused at infinity, one obtains an optical spectrum useful for identifying and measuring the concentration of specimens placed in the container, applicable for chemical analysis and for screening fluids for chemical or biological analysis. The invention further provides methods to fabricate a combination of a sample container and energy dispersion device, wherein one such method utilizes an inflatable bladder and temperature-controlled templates to emboss gratings on both outside and inside faces of a given cuvette.

The present invention relates to an apparatus for conducting assays on samples and/or processing of samples. The apparatus comprises a rotatably arranged cylindrical sample holder for holding a sample at a lateral surface of the cylindrical sample holder. The cylindrical sample holder is configured to be at least partly covered by a liquid layer. The apparatus further comprises a liquid dispensing means configured to add liquid to the liquid layer, a reagent dispensing means configured to add a reagent to the liquid layer and a liquid contacting means configured to distribute liquid within said liquid layer. The liquid contacting means comprises a plate-like element flexibly assembled in relation to the cylindrical sample holder. The present invention also relates to a method for conducting assays on samples and/or processing of samples.

A measuring cell for performing optical measurements of a medium disposed in the measuring cell includes: recesses extending through a first outer wall and a second outer wall of the measuring cell; and two window mounts, each with a transparent window therein and each including outward protruding projections configured to be inserted a corresponding recess at a selected installation depth, wherein a wall of the measuring cell that surrounds the recess includes on an inside, for each selectable installation depth, one set of contact surfaces arranged around the recess in a radial direction such that the projections of the window mount seat on the contact surfaces of the corresponding set, which are arranged in an axial direction such that the window mount is arranged in the recess at the selected installation depth.

An optical device for a biological or chemical sensor includes: an absorption cavity configured to receive a biological or chemical medium; an injection waveguide to inject an analysis light beam into the absorption cavity; and an extraction waveguide to extract a measurement light beam, corresponding to the analysis light beam after transit through the absorption cavity. The absorption cavity has a shape of a right cylinder with an elliptical base. One end of the injection waveguide is placed at a first focus of the ellipse and one and of the extraction waveguide is placed at a second focus of the ellipse. A core of the injection waveguide and a core of the extraction waveguide each have a tip-shaped end, with a constant height in a plane parallel to the generatrix of the right cylinder and a tip-shaped cross section in planes parallel to the base of the right cylinder.