Abstract: The invention is directed to a method for producing a roll (1) or sheet of membrane units (2) for a membrane product (3) such as a lateral flow test from a roll (6) or sheet of membrane material (7), by means of a primary production arrangement (9), wherein the roll (6) or sheet of membrane material (7) is processed into a roll (1) or sheet of membrane units (2) in a primary processing routine, wherein in the primary processing routine, for generating the membrane units (2), a fluidic structure (11), in particular a hydrophobic structure, for defining fluid flow through the membrane material (7) is introduced into the membrane material (7) by means of a processing tool (12), wherein an evaluation routine is performed by means of an evaluation arrangement (15) comprising a sensor arrangement (16) and an evaluation control (17).

Abstract: A method for validating a filter unit. The method includes guiding a fluid flow of a fluid after the fluid flow passed through the filter unit to a measurement area that is connected to the filter unit. The measurement area the fluid is exposed to is at least one alternating electric field between at least two electrodes. The method includes obtaining at least one electric signal between the at least two electrodes. The at least one electric signal is at least affected by whether one or more cells of a plurality of cells in the fluid pass through the measurement area. The method includes determining, at least partially based on the obtained at least one electric signal, at least one validity information indicating a validity of the filter unit.

Abstract: A device assembly for controlling an integrated continuous pharmaceutical or biopharmaceutical manufacturing process including a first process equipment for performing a first process step; a second process equipment for performing a second process step subsequent to the first process step; a single measuring unit for measurement of a set of signals of a liquid process medium at a single location, the measured signals depending on first and second parameters; and an evaluation and control unit for evaluating the measured signals to determine values of the first and second parameters. The evaluation and control unit determines first and second corrective feedback based on the values of the first and second parameters, respectively. The evaluation and control unit controls the first process step by providing the first corrective feedback to the first process equipment and controls the second process step by providing the second corrective feedback to the second process equipment.