Abstract: A peristaltic pump and an analyzer for testing a biological sample, wherein the pump includes a pump head that is constructed as a screwless assembly, wherein the pump includes a bayonet and/or a beam coupling, and/or wherein rollers of the pump are configured to be pivoted about corresponding pivot axes that intersect with the roller axes.

Abstract: An analysis system and a method for testing a biological sample, wherein an operating instrument is provided which preferably can be separated from an analysis device with respect to a data connection and/or wirelessly connected to the analysis device.

Abstract: A peristaltic pump and an analyzer for testing a biological sample, wherein the pump includes a pump head that is constructed as a screwless assembly, wherein the pump includes a bayonet and/or a beam coupling, and/or wherein rollers of the pump are configured to be pivoted about corresponding pivot axes that intersect with the roller axes.

Abstract: An analysis system and a method for testing a biological sample, wherein an operating instrument is provided which preferably can be separated from an analysis device with respect to a data connection and/or wirelessly connected to the analysis device.

Abstract: A fluid sensor for detecting a content change, in particular a liquid front, in a sensor portion of a fluid system, wherein the fluid sensor includes at least one sensor electrode, the sensor electrode having an electrode potential and a capacitive behavior, the sensor electrode thus being capable to store electrical energy in an electrical field formed by the sensor electrode when being charged, causing the electrode potential to change accordingly, a capacitance value of the sensor electrode varies when the content changes, the fluid sensor includes evaluation electronics, the evaluation electronics including a unidirectional electrical device (UED), and an AC source, the AC source is coupled via the UED to the sensor electrode to charge the sensor electrode, and the evaluation electronics include a discharge path coupled to the sensor electrode for discharging the sensor electrode.

Abstract: An analysis device and analysis system for testing a biological sample using a receivable cartridge having at least one actuator for actuating a valve of the cartridge. A pressurized gas supply is provided for supplying a pressurized working medium, and a connection element pneumatically connects the pressurized gas supply to the cartridge for supplying the cartridge with the pressurized working medium, so that the at least one actuator is pneumatically operated by the pressurized gas supply.

Abstract: An analysis device and method for testing a biological sample using a receivable cartridge having at least one actuator for actuating a valve of the cartridge. The actuator has a pneumatically loaded membrane and an actuation element that is coupled to the membrane, the return movement into an unactuated position being performed preferably as a result of restoring forces of the membrane.

Abstract: An analysis system for testing, in particular, a biological sample, the sample and/or analytes of the sample being temperature-controlled in advance or denatured immediately before the test, and/or being heated, the heat being transferred through a chip of a sensor apparatus.

Abstract: An analysis system and a method for testing, in particular, a biological sample, the sample and/or analytes of the sample being temperature-controlled in advance or denatured immediately before the test, and/or being heated, the heat being transferred through a chip of a sensor apparatus.

Abstract: A method and a circuit arrangement for testing and/or calibration, the circuit arrangement having a sensor electrode and a first and second circuit unit coupled thereto, the second circuit unit having a capacitor, and the sensor electrode being kept at a specified electrical target potential by the capacitor and the sensor electrode being coupled such that matching of the electrical potential is made possible. The second circuit unit is configured such that, if the electrical potential of the capacitor is outside a reference range, second circuit unit detects this event and brings the capacitor to a reference potential. For the purpose of testing and/or calibration, a reference current source is provided for injecting an adjustable reference current into the sensor electrode, a reference current injected into another circuit unit is measured, and/or a reference current is injected into different portions of the sensor electrode.

Abstract: An analysis system and a method for testing a biological sample according to which, before the start of testing, the amount of energy remaining in an energy storage of the analysis device is compared with an energy requirement for the test, and the test is only started if the amount of energy meets the energy requirement, and/or a temperature-control apparatus designed for temperature-controlling the cartridge is controlled depending on an interior space temperature of the analysis device.

Abstract: An analysis device and a method for testing a biological sample uses a cartridge that is received in the analysis device and valves of the cartridge being opened automatically.

Abstract: A primary measurement, such as a protein assay or nucleic-acid assay, is conducted in a cartridge, wherein an additional measurement is conducted in an analysis device receiving the cartridge so that better testing of a sample is possible.

Abstract: A method for producing a plurality of measurement regions on a chip, and a chip having a plurality of measurement regions which is obtainable by the method.

Abstract: An analysis system and a method for testing a biological sample according to which, before the start of testing, the amount of energy remaining in an energy storage of the analysis device is compared with an energy requirement for the test, and the test is only started if the amount of energy meets the energy requirement, and/or a temperature-control apparatus designed for temperature-controlling the cartridge is controlled depending on an interior space temperature of the analysis device.

Abstract: An analysis system for testing a biological sample wherein a sensor cover can be or is pneumatically lowered onto a sensor apparatus in order to detect an analyte of the sample.

Abstract: An analysis system for testing a biological sample wherein a sensor cover can be or is pneumatically lowered onto a sensor apparatus in order to detect an analyte of the sample. A sensor array having a plurality of sensor fields are fluidically separated from one another by lowering the sensor cover. The sensor apparatus has a housing that is sealingly mounted on the sensor cover in an edge region, the housing surrounding a chip or support of the sensor apparatus at least partially. The sensor cover has a raised portion in a center on a side remote or opposite from the sensor apparatus or is centrally reinforced.

Abstract: A fluid sensor for detecting a content change, in particular a liquid front, in a sensor portion of a fluid system, wherein the fluid sensor includes at least one sensor electrode, the sensor electrode having an electrode potential and a capacitive behavior, the sensor electrode thus being capable to store electrical energy in an electrical field formed by the sensor electrode when being charged, causing the electrode potential to change accordingly, a capacitance value of the sensor electrode varies when the content changes, the fluid sensor includes evaluation electronics, the evaluation electronics including a unidirectional electrical device (UED), and an AC source, the AC source is coupled via the UED to the sensor electrode to charge the sensor electrode, and the evaluation electronics include a discharge path coupled to the sensor electrode for discharging the sensor electrode.

Abstract: An analyzer for testing a biological sample is proposed, wherein the analyzer comprises a pressurized gas supply having an intermediate gas storage that is fluidically arranged between an intermediate valve and an actuation valve. A method for testing a biological sample is proposed, wherein the power supply of an intermediate valve is cut off when the valve starts to change its position and/or wherein the pressure of an intermediate gas storage located downstream of an intermediate valve is controlled. Further, a method for inspecting an analyzer, in particular its pressurized gas supply, is proposed, wherein the pressure drop in a main gas storage is measured and compared to a reference pressure drop in order to inspect the analyzer.

Abstract: An analyzer for testing a biological sample, wherein the analyzer has a guide apparatus for guiding a clamping unit and/or a connection unit, wherein the guide apparatus is adapted to compensate misalignments. The analyzer has a rack for the clamping unit and/or connection unit, and wherein the rack is supported by a flexible cushion within a housing of the analyzer.