This disclosure is directed to exemplary embodiments of systems, methods, techniques, processes, products and product components that can facilitate users making improved absorbance or fluorescence measurements in the field of spectroscopy with reduced (minimal) sample waste, and increased throughput, particularly in the study of biological sciences. A method and device for photometric measurement of liquids. The method includes the steps of: The method includes the steps of; providing a pipette tip, the pipette tip being made of an optically clear body having an outer wall and an inner wall, the inner wall defining an inner space for receiving a liquid sample, the inner space providing a cross-sectional path length for light; positioning the pipette tip between a light source and a light collector; measuring light transmission through the liquid sample; adjusting the inner space of the pipette tip to change the cross-sectional length, and measuring light transmission through the liquid sample. This can be accomplished by moving the light source from a first position to at least a second position to provide a plurality of cross-sectional path lengths through the liquid sample or by moving the pipette tip from a first position to at least a second position to provide a plurality of cross-sectional path lengths through the liquid sample.

An inspection device is provided. The inspection device includes a platform, a cage, a holder and an image capturing module. The cage is disposed on the platform, wherein the cage includes a first transparent side and a second transparent side, and the first transparent side and the second transparent side are not coplanar. The holder is disposed in the cage. The image capturing module captures a first image from the first transparent side, and it captures a second image from the second transparent side.

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.

An optical measuring device for measuring light emitted from a sample includes a container cavity for receiving a container in which the sample is enclosed; a light detection unit for detecting light from the sample; a light guide path for guiding the light from the sample to the light detection unit; and a light absorbing unit for absorbing incident light. An end of the light guide path to receive the incident light faces the container cavity, a light exit end of the light guide path faces the light detection unit, and the light absorbing unit covers the perimeter of the light guide path other than the light-receiving-end and the light exit end thereof.

This disclosure is directed to exemplary embodiments of systems, methods, techniques, processes, products and product components that can facilitate users making improved absorbance or fluorescence measurements in the field of spectroscopy with reduced (minimal) sample waste, and increased throughput, particularly in the study of biological sciences. A method and device for photometric measurement of liquids. The method includes the steps of: The method includes the steps of: providing a pipette tip, the pipette tip being made of an optically clear body having an outer wall and an inner wall, the inner wall defining an inner space for receiving a liquid sample, the inner space providing a cross-sectional path length for light; positioning the pipette tip between a light source and a light collector; measuring light transmission through the liquid sample; adjusting the inner space of the pipette tip to change the cross-sectional length, and measuring light transmission through the liquid sample. This can be accomplished by moving the light source from a first position to at least a second position to provide a plurality of cross-sectional path lengths through the liquid sample or by moving the pipette tip from a first position to at least a second position to provide a plurality of cross-sectional path lengths through the liquid sample.

This disclosure describes a cuvette holder. The cuvette holder includes a base and a body extending from the base. The body includes a first wall, and the body defining an interior cavity. A first aperture extends through the first wall of the body. The first aperture can have a width measured parallel to the base of between 12 and 12.6 millimeters.

An optical spectrometer module for analysing samples. The optical spectrometer module comprises two or more sample holders. Each sample holder is adapted to receive and reproducibly position a sample in fixed locations within the optical spectrometer module. Each sample holder is also adapted to receive a light beam to thereby enable a sample contained in the sample holder to be exposed to the received light beam. Each sample holder is further adapted to enable light transmitted through the sample holder to exit the sample holder. The optical spectrometer module also comprises two or more electro-thermal components. Each electro-thermal component is thermally coupled to a respective sample holder to control the temperature of the sample holder.

An inspection device is provided. The inspection device includes a platform, a cage, a holder and an image capturing module. The cage is disposed on the platform, wherein the cage includes a first transparent side and a second transparent side, and the first transparent side and the second transparent side are not coplanar. The holder is disposed in the cage. The image capturing module captures a first image from the first transparent side, and it captures a second image from the second transparent side.

Systems and methods for performing measurements of one or more materials are provided. One system is configured to transfer one or more materials to an imaging volume of a measurement device from one or more storage vessels. Another system is configured to image one or more materials in an imaging volume of a measurement device. An additional system is configured to substantially immobilize one or more materials in an imaging volume of a measurement device. A further system is configured to transfer one or more materials to an imaging volume of a measurement device from one or more storage vessels, to image the one or more materials in the imaging volume, to substantially immobilize the one or more materials in the imaging volume, or some combination thereof.

A method of optical analysis comprises receiving light at an optical spectrometer module from a light source, distributing the received light into two or more light beams with a light distribution component of the optical spectrometer module, concurrently exposing each of a reference and one or more test samples to one of the two or more light beams, and concurrently measuring a property of the light associated with each of the reference sample and one or more test samples with a corresponding detector.