Abstract:
The invention concerns a bag comprising a first conduit (13C) which extends longitudinally between a flow pump connector (1 1 C) emerging on a first side (68) and a tangential filter connector (1 1 M) emerging on a second side (69); a second conduit (13B) which extends longitudinally from a first side of said conduit (13C) between a supply container connector (1 1 B) emerging on said first side (68), and another tangential flow connector (1 1 N) emerging on said second side (69); a third conduit (13H) which extends from a second side of said conduit (13C), starting at a collecting container connector (1 1 J), until it enters said first conduit (13C); and a fourth conduit (13A) which extends from the first side of said conduit (13C), starting at a transfer pump connector (1 1A), until it enters said second conduit (13B).
Abstract:
The present invention provides, in various embodiments, hybrid single-pass tangential flow filtration assemblies, disposable single-pass tangential flow filtration assemblies, scalable single-pass tangential flow filtration assemblies and adaptable modular single-pass tangential flow filtration assemblies. In other embodiments, the invention relates to processes for recovering proteins from the surface of a filtration membrane in a single-pass tangential flow filtration assembly and for cleaning a tangential flow filtration assembly. In additional embodiments, the invention provides methods of increasing the processing capacity of a single-pass tangential flow filtration assembly.
Abstract:
The present invention provides, in various embodiments, hybrid single-pass tangential flow filtration assemblies, disposable single-pass tangential flow filtration assemblies, scalable single-pass tangential flow filtration assemblies and adaptable modular single-pass tangential flow filtration assemblies. In other embodiments, the invention relates to processes for recovering proteins from the surface of a filtration membrane in a single-pass tangential flow filtration assembly and for cleaning a tangential flow filtration assembly. In additional embodiments, the invention provides methods of increasing the processing capacity of a single-pass tangential flow filtration assembly.
Abstract:
Redundant filtration system that includes at least one barrier filter as a process filter, the barrier filter having both hydrophilic and hydrophobic paths, allowing both fluid and gas permeability. The need for vents is eliminated, as is an intermediate drain filter. The device also can be dried in series. The filtration system includes a network of conduits and receptacles, the network receiving liquid raw and/or starting material at one end, conducting it through the process stream defined thereby, and producing the desired liquid product at another end. The network is provided with one or more inputs for introducing liquid raw material into the fluid process stream, and one or more output ports for discharging fluid out of the fluid process stream. The network is preferably an essentially closed network, and also, preferably sterile and/or aseptic.
Abstract:
A bag construction is provided comprising a bag, a first conduit sealed to the feed bag, an impeller device secured within the bag and extending from the first conduit in the bag to a second end and a one piece cap that is removably mounted on the first conduit. Optionally, the bag has a second conduit sealed to the interior of the bag for supplying wash reagent such as gas or a liquid to the bag. The impeller device is driven to cause all material in the bag to flow out the first conduit.
Abstract:
PROBLEM TO BE SOLVED: To provide an alignment device for a bag containing one or more ports.SOLUTION: An alignment device is attached to a port such as by wire ties, clamps or cable ties or to a bag adjacent the port via adhesives or welding or molding such as overmolding. A plate has either an indicator or a unique outer edge shape that is designed to fit into a corresponding unique opening in a bag holder such as a carboy or tote bag to ensure proper alignment of the bag and its port in the holder. In one embodiment the plate formed of plastic, metal, wood or composite material has a series of holes equal to and in alignment with the one or more ports of the bag and the ports are extended through the holes of the plate and the plate is attached to the bag by retainers on the ports below the plate.
Abstract:
PROBLEM TO BE SOLVED: To provide an assembly for a pump, a pump and a pumping system which includes a disposable flexible bladder and disposable conduits with the pump through which the fluid to be pumped is passed in a manner such that the pump components are never exposed to the fluid.SOLUTION: The pump is provided having the disposable bladder and the disposable conduits together with check valves that control a fluid flow through the bladder and conduits when the bladder is alternately compressed and expanded. The use of disposable conduits and bladder eliminates the need for hygienically regenerating the pump between uses. The pump can be utilized in a fluid delivery system such as tangential flow filtration.
Abstract:
PROBLEM TO BE SOLVED: To provide a connector for connecting a flexible conduit with a second conduit having a barbed outer surface.SOLUTION: The connector accommodates the end of the flexible conduit and the end of the second conduit in a manner which prevents removal of the flexible conduit and the second conduit from the connector. Optionally, the connector has a ring that may be used to apply additional pressure and security to the outer surface of the flexible conduit. Additionally, the connector may have a wireless enabled communication and optionally, memory device such as a RFID tag attached or affixed to it.
Abstract:
PROBLEM TO BE SOLVED: To provide a novel means for reducing NSB to a lower level before the liquid ever reaches the purification step.SOLUTION: The present invention relates to a prefilter used for purification systems such as affinity chromatography columns and ultrafiltration systems. The prefilter, positioned upstream of the system inlet, reduces the amount of non-specific binding (NSB) chemical species that enter the system, thereby extending the yield, capacity and lifetime of the system. Suitable agents include but are not limited to: hydrophobic entities; lipophilic entities; activated carbon; charged cation or anion entities; ligands; particles such as fumed silica, glass, controlled pore glass or derivitized version of each; silica or silicates; and combinations thereof. The material(s) can be incorporated into a variety of media such as fibers, beads, membranes and the like and then incorporated into a variety of device designs including lenticular pads, depth filters, bead containing columns, spiral wound devices, TFF devices and the like.