TESTING OF FILTRATION DEVICE
    1.
    发明公开

    公开(公告)号:US20240085382A1

    公开(公告)日:2024-03-14

    申请号:US17767795

    申请日:2020-10-15

    申请人: Cytiva Sweden AB

    发明人: Stephan Menzel

    IPC分类号: G01N30/02

    CPC分类号: G01N30/02 G01N2015/084

    摘要: Disclosed is a system and a method for testing at least one filtration device. The system comprises a chromatography system (3) comprising at least one pair of inlet and outlet chromatography column connections (7a), 7b for at least one chromatography column, and at least one filtration device housing (21) comprising a filtration device (23) to be tested, whereby each filtration device housing (21) is connected to one of the at least one pair of inlet and outlet chromatography column connections (7a, 7b) instead of a chromatography column in the chromatography system.

    Method for Optimization of a Bioprocesing System

    公开(公告)号:US20230384741A1

    公开(公告)日:2023-11-30

    申请号:US18327662

    申请日:2023-06-01

    申请人: Cytiva Sweden AB

    IPC分类号: G05B13/02

    CPC分类号: G05B13/0205

    摘要: The present invention relates to a computer implemented method (600) for optimization of a bioprocessing system (100) formed by interconnected or interconnectable bioprocessing units and configured to provide a desired system functionality, the method comprising obtaining (610) requirement data of a bioprocess, the requirement data being at least indicative of the desired system functionality, and indicative of a desired substance resulting from the operation of the bioprocess system, obtaining (620) unit data indicative of characteristics of a plurality of bioprocessing units, generating (630) at least one optimized or suitable bioprocessing system configuration capable to provide the desired system functionality, the bioprocessing system configuration comprising a selection of bioprocessing units from the plurality of bioprocessing units selected using the requirement data, the unit data and an objective function dependent on the requirement data and the unit data. The invention extends to a configuration system (500).

    METHOD FOR CALIBRATING AN APPARATUS FOR MEASURING THE ABSORBANCE OF LIGHT BY A SUBSTANCE

    公开(公告)号:US20230204495A1

    公开(公告)日:2023-06-29

    申请号:US17996581

    申请日:2021-04-27

    申请人: CYTIVA SWEDEN AB

    IPC分类号: G01N21/27 G01N21/31

    CPC分类号: G01N21/274 G01N21/31

    摘要: The present invention relates to computer implemented method performed by a computer (110) configured to calibrate an apparatus for measuring the absorbance of light of a substance (131) for a chromatography system (100), the apparatus (131) comprising a conduit (C) for enabling a fluid to be measured, a light emitter (LE) configured to emit light along an optical path (OP) to a light sensor (S) configured to measure the emitted light, the optical path intersecting the conduit (C), a rotating disc (D) having one or more optical filters, each of the one or more optical filters is arranged with its center passing through the optical path (OP) when rotating, an actuator configured to rotate the disc (D) dependent on a control signal, to the method comprising controlling rotation of (710) the disc (D) to a first position where a first filter, of the one or more optical filters, intersects the optical path (OP) at a first point (P1), measuring (720) a first light absorption value, controlling rotation of (730) the disc (D) to a second position, different to the first position, where the first filter still intersects the optical path (OP) at a second point (P2), measuring (740) a second light absorption value, generating (750) an aggregated light absorption value, calibrating (760) the apparatus (131) by comparing the aggregated light absorption value to a reference light absorption value.

    Method for predicting the conductivity of a liquid mixture

    公开(公告)号:US11670402B2

    公开(公告)日:2023-06-06

    申请号:US16130092

    申请日:2018-09-13

    发明人: Enrique Carredano

    摘要: In a method of preparing a liquid solution by mixing ingredients according to a predetermined recipe, wherein at least one pair of species of the liquid solution is derived from a weak electrolyte and corresponds to an acid-base pair, the conductivity of the liquid solution is predicted by:



    (i) for each pair of species derived from a weak electrolyte, solving a respective equilibrium equation to calculate the actual molar concentration of each such species at equilibrium in the liquid solution,
    (ii) calculating for each ionic species of said plurality of species the molar conductivity by the formula:

    Λ=Λ0−K×Sqrt(c)

    wherein Λ is the molar conductivity, Λ0 is the molar conductivity at infinite dilution, c is the concentration, and K is the Kohlrausch coefficient, and wherein K and Λ0 are predetermined values for K and Λ0 for each ionic species,
    (iii) calculating the conductivity κ for each ionic species by the formula:

    κ=c×Λ

    and
    (iv) adding up the conductivities determined in step (iii) for the different ionic species to obtain a predicted conductivity of the liquid solution. A computer program product comprises instructions for causing a computer to perform the method steps.

    METHODS FOR TARGETED INTEGRATION
    9.
    发明公开

    公开(公告)号:US20230159958A1

    公开(公告)日:2023-05-25

    申请号:US17995571

    申请日:2021-04-06

    申请人: CYTIVA SWEDEN AB

    IPC分类号: C12N15/90 C12N9/12 C12N15/85

    摘要: The present disclosure relates to a method for targeted integration of a donor vector into a specific pre-defined genomic location of an isolated eukaryotic host cell. The vector and host cell together comprise nucleic acid components allowing for the selection of cells having integrated the donor vector into the pre-defined genomic location of the host cell. In addition, it provides for the identification of any random integrations of the donor vector(s) into other parts of the host cell genome. Once identified, such cells present an excellent alternative for subsequent recombinant protein production.

    Valve manifolds for simulated moving bed chromatography

    公开(公告)号:US11648490B2

    公开(公告)日:2023-05-16

    申请号:US17113311

    申请日:2020-12-07

    申请人: Cytiva Sweden AB

    摘要: Disclosed is a device for chromatographic separations comprising: a manifold comprising a manifold body defining an elongate central duct, the central duct comprising a centrally-located closable duct valve providing selective fluid communication between a first portion of the central duct and an opposed second portion of the central duct, a first plurality of connectors, each connector of the first plurality of connectors for connecting to a distinct chromatographic separation column and/or feed or extraction tubing or to a connector of an adjacent manifold; a second plurality of connectors, each connector of the second plurality of connectors for connecting to a distinct chromatographic separation column and/or feed or extraction tubing or to a connector of an adjacent manifold; wherein said manifold body further defines: a first plurality of branch ducts, each branch duct of which extending from the first portion of the central duct to an individual one of the first plurality of connectors, each of the branch ducts of the first plurality of branch ducts comprising a closable branch valve providing selectable fluid communication between a respective connector and the first portion of the central duct, a second plurality of branch ducts, each branch duct of which extending from the second portion of the central duct to an individual one of the second plurality of connectors, each of the branch ducts of the second plurality of branch ducts comprising a closable branch valve providing selectable fluid communication between a respective connector and the second portion of the central duct; first and second ports in fluid communication with the centrally-located closable duct valve wherein said first port communicates with said first portion of the central duct and said second port communicates with said second portion of said central duct, wherein one of said first and second ports is further positioned to communicate with said central duct at a location between the centrally-located closable duct valve and the first and second plurality of branch ducts, respectively.