There is provided a method for contactless determination of the position of a driven moving portion (4) of an electric motor (2) by means of a plurality of magnetic field sensors (8), wherein the moving portion is movably arranged with respect to a stator (6) and has a plurality of permanent magnets (40) which generate a moving-portion magnetic field having a plurality of periodically spaced apart maxima, and wherein the plurality of magnetic field sensors are arranged along a movement path (43) of the moving portion. The method comprises the following steps: by means of the plurality of magnetic field sensors, determining a plurality of measured values (70) for a momentary magnetic field that is generated by the plurality of permanent magnets and dependent on the position of the moving portion, determining a specific spectral signal component (74) from the plurality of measured values (70), the specific spectral signal component having the spatial frequency corresponding to the distance between adjacent like maxima of the moving-portion magnetic field, and determining the position of the driven moving portion by means of the specific spectral signal component.

A cover for a fluid container having an essentially plane cover plate for closing at least one opening of at least one fluid container and at least two ports, and each port has a through channel extending through the entire thickness of the cover plate and a fluid impermeable first membrane is arranged over the entire cross section of the through channel of the first port and an at least gas permeable second membrane is arranged over the entire cross section of the through channel of the second port is disclosed.

A pipette tip family includes a plurality of pipette tips each including a tip cylinder, each of the plurality of pipette tips further includes a hollow body including a bottom end and a top end such that the bottom end defines a tip opening and the top end defines a mounting opening, a seating region is configured to clamp to the spigot and a cylindrical plunger travel path is defined between the tip opening and the seating region, a tip plunger includes a plunger guided along the plunger travel path and a plunger rod comprising a top end, the plurality of pipette tips of each subfamily are configured to be used for pipetting with pipettes of a pipette type matched thereto and are not configured to be used with pipettes of a pipette type not matched thereto.

The present invention relates to an immunoassay apparatus and a method thereof. The immunoassay apparatus including a cartridge 13 in which a tube for T tip 9, a reaction tube 11, a tube for washing 3, and a tube for signal measurement 5 are integrally coupled or individually configured; a T tip 7 and a magnetic rod 31 used for performing reaction and washing processes while moving large magnetic particles m, capture materials, signal materials, and analyte materials with magnetic force by entering successively a plurality of tubes 3 and 5; a cartridge holder 15 in which the cartridge 13 is seated; and a heating member 17 that generates heat by being disposed at a region in which the reaction tube 11 is seated in the cartridge holder 15; is configured in a state where each of the different shapes of magnetic particles is bound with materials.

A liquid transfer device for a liquid transfer with a sample carrier of a reaction platform is provided and includes a substrate, a driving device, and a control device. The control device is used to control the driving device to drive the substrate to move towards the reaction platform. Such that the moving substrate passes through the sample carrier and transfers a liquid with the sample carrier. The liquid transfer refers to a transfer of a liquid carried by the substrate to the sample carrier and/or another transfer of the liquid on the sample carrier to the substrate. A liquid transfer method, a biochemical substance reaction device, a biochemical substance analysis device, and a biochemical substance analysis method are disclosed. A throughput of a biochemical reaction and analysis is improved, and a cost is lowered.

A method and apparatus for controlling and visually, audibly, and tactilely communicating the administration of discrete unit doses of material dispensed from a dropper through use of a modified plunger having a geometric profile corresponding to a unit dose. This profile engages with the dropper interior in a manner that creates audio, visual, and tactile cues as each unit dose is administered. The profile may take the form of peaks and valleys or teeth. Alternatively, the plunger profile may be threaded and may include a channel along the plunger's longitudinal axis.

Systems and methods are provided for sample processing. A device may be provided, capable of receiving the sample, and performing one or more of a sample preparation, sample assay, and detection step. The device may be capable of performing multiple assays. The device may comprise one or more modules that may be capable of performing one or more of a sample preparation, sample assay, and detection step. The device may be capable of performing the steps using a small volume of sample.

Devices for detecting microorganism strains or target cellular analytes are provided. The device includes a filter holder, the filter holder comprising a tip portion; a nonwoven article disposed on the tip portion of the filter holder; and an adaptor attacked to the filter holder, the adaptor defining an aperture. Methods of detecting microorganisms and/or cellular analytes in a fluid sample using the devices are also provided. The method includes obtaining the device; placing a lumened or cannulated device in fluid communication with the device; and passing a fluid sample suspected of containing at least one microorganism strain or target cellular analyte from the lumened or cannulated device through the device and contacting the nonwoven article. The method further includes contacting the nonwoven article with at least one detection reagent and detecting the presence of the at least one microorganism strain or target cellular analyte concentrated by the nonwoven article. Kits and systems including the devices are also provided.

A method for the contact metering of liquids having the following steps: a first liquid is introduced into at least one elongate hollow body, some of the first liquid contained in the elongate hollow body is pressed out of the lower end of the elongate hollow body as a contacting volume such that the contacting volume forms a drop suspended from the lower end of the elongate hollow body, at least some of the drop is immersed in a second liquid in a target vessel and the defined metering volume consisting of the contacting volume and a residual volume contained in the elongate hollow body is dispensed into the second liquid.

Aspects of the present disclosure relate to methods and devices for automatically transferring samples and/or reagents from sample vessels and/or reagent vessels into at least one receiving vessel In one example embodiment, a pipetting device is disclosed including a pipettor that is movable along a first direction and has at least one first pipetting needle that is movable along an arm of the pipettor along a second direction, substantially normal to the first direction. The pipetting needle is lowerable along a third direction into the individual vessels. In some specific embodiments, the arm of the movable pipettor has at least one second pipetting needle which, regardless of the current position of the first pipetting needle, is movable past the first pipetting needle and is lowerable into the individual vessels.