A multiple-antenna positioning system with a single drive element, providing reduced weight and complexity over systems that have a drive element for each antenna. In certain examples, each antenna can be coupled with a rotating spindle, with each antenna spindle being coupled with a pair of link arms. By driving a single drive spindle, each of the antenna spindles in the system can be rotated by the associated pair of link arms. The link arms can have an adjustable length, such as through a turnbuckle mechanism, to reduce backlash in the system, and in some examples can apply a preload to the system. By reducing backlash, the multiple antenna positioning system can have improved responsiveness to a rotation of the single drive element, as well as improved stability of the positioning of each antenna when the drive element is held in a fixed position.

The invention relates to a handheld fluid transfer apparatus, more particularly a pipette or repeater pipette, and a laboratory system comprising the handheld fluid transfer apparatus, which comprises: a control apparatus, which comprises a data processor capable to execute a control program for controlling at least one electronically controllable function of the handheld fluid transfer apparatus using input data, a user interface device for receiving a user input, the user interface device comprising a motion sensor device for measuring motion data of the handheld fluid transfer apparatus and for providing at least one motion data sequence, which contains subsequently measured motion data, a motion data memory for storing the at least one motion data sequence, an evaluation device being configured to determine the input data in dependence on the evaluation of the at least one motion data sequence. The invention furthermore relates to a method for operating the fluid transfer apparatus or the laboratory system.

A collection pipette that collects a microscopic object includes a first tube part, a second tube part connected to an end of the first tube part, and a third tube part connected to the other end of the first tube part. The longitudinal direction of the third tube part intersects with the longitudinal direction of the first tube part, and is parallel to the longitudinal direction of the second tube part. For example, the length in the longitudinal direction of the third tube part is shorter than the length in the longitudinal direction of the first tube part.

The invention relates to a pipetting device with a touch screen and a system comprising said pipetting device. The operating concept of this pipetting device provides that values of pipetting parameters can be set by a user on at least one input screen page, that actuation of the actuating element leads to the display of an output screen page and to the start of a pipetting operation defined according to the pipetting parameters, and that touching a separate input field of the output screen page leads back to an input screen page.

A nozzle structure includes: a nozzle that includes a pressed portion; and a holder that includes an adjustment portion and that supports the nozzle, in which the pressed portion is formed in an annular shape having an axis that is identical to an axis of the nozzle, the adjustment portion faces the pressed portion with a space therebetween obliquely above the pressed portion, in a state in which the nozzle is supported by the holder, and the adjustment portion returns the nozzle to a central axis side by a reaction force when the pressed portion abuts the adjustment portion.

In order to increase the compatibility of a pipetting system tip with the various types of cones, the invention provides that this tip comprises: a first group of first cone retention elements defining a larger external diameter; a second group of second cone retention elements defining a larger external diameter; a third group of third cone retention elements defining a larger external diameter. The diameter and the diameter being different so as to together define a first tip portion having a first conicity, and the diameter and the diameter being different so as to together define a second tip portion having a second conicity smaller than the first.

In order to be able to adapt a manual dosing device (1), in particular a pipette (2), to differently sized hand dimensions, the manual dosing device (1) at whose main body (3) at least one grip (5) or exchangeable grip is releasable, fastenable or fastened is proposed. Adaptation of the manual dosing device (1) to users having different hand sizes can be performed by removing the grip (5) or by changing the grip (5) and replacing the grip (5) with a grip (5) having different dimensions (FIG. 1).

The manual dosing device (1) comprises the main body (3) that can be screwed to the fluid discharge unit (4), the detent connection (10) being provided alongside the screw connection (6) for removably connecting the main body (3) to the fluid discharge unit (4), which detent connection is locked by connecting the main body (3) and the fluid discharge unit (4) together (cf. FIG. 5).

Provided is a handheld fluid transfer apparatus, more particularly a pipette or repeater pipette, and a laboratory system comprising the handheld fluid transfer apparatus, which comprises: a control apparatus, which comprises a data processor capable to execute a control program for controlling at least one electronically controllable function of the handheld fluid transfer apparatus using input data, a user interface device for receiving a user input, the user interface device comprising a motion sensor device for measuring motion data of the handheld fluid transfer apparatus and for providing at least one motion data sequence, which contains subsequently measured motion data, a motion data memory for storing the at least one motion data sequence, an evaluation device being configured to determine the input data in dependence on the evaluation of the at least one motion data sequence. A method is provided for operating the fluid transfer apparatus or the laboratory system.

An electroporation system including one or more of a pipette, a pipette tip, a pipette docking assembly, and a pulse generator. The pipette docking assembly includes a pipette station, a pipette station guard, and a reservoir (e.g., a buffer tube). A method for transfecting a cell with a payload including providing an electroporation system, providing the cell, providing the payload, introducing the cell and the payload into a pipette tip, and electroporating the cell within the pipette tip by operating the electroporation system.