摘要:
A sensor device has an optical sensor (1), a container (2) and a compartmentalizer (3) that temporarily divides the container into a main space (4) and an adjacent space (5), in which the optical sensor (1) is located. The gas volume in the direct vicinity of the optical sensor (1) is reduced, as are also, consequently, the reactive products generated by radiation sterilization. The adjacent space (5) can be united with the main space (4) after the sterilization as a result of the temporary compartmentalization. The optical sensor is suitable for implementation in containers and laboratory products, such as, for example, disposable bioreactors, that are sterilized by gamma radiation.
摘要:
A sensor device has an optical sensor (1), a container (2) and a compartmentalizer (3) that temporarily divides the container into a main space (4) and an adjacent space (5), in which the optical sensor (1) is located. The gas volume in the direct vicinity of the optical sensor (1) is reduced, as are also, consequently, the reactive products generated by radiation sterilization. The adjacent space (5) can be united with the main space (4) after the sterilization as a result of the temporary compartmentalization. The optical sensor is suitable for implementation in containers and laboratory products, such as, for example, disposable bioreactors, that are sterilized by gamma radiation.
摘要:
Aeration device for bioreactors with a first aeration element with gas outlet openings of a first size and with at least one second aeration element with gas outlet openings of a second size, the aeration elements being formed by a common housing with separate aeration channels.
摘要:
Aeration device for bioreactors with a first aeration element with gas outlet openings of a first size and with at least one second aeration element with gas outlet openings of a second size, the aeration elements being formed by a common housing with separate aeration channels.
摘要:
The invention relates to a waste gas system for bioreactors having a hydrophobic sterile filter, arranged at the end, and a heat exchanger which protects the sterile filter against blocking by liquid media. The gas outflow duct for discharging waste gas from a bioreactor vessel is divided in a cooling zone of the heat exchanger into a multiplicity of subducts and is extended in a heating zone of the heat exchanger to a calming zone. Due to the multiplicity of subducts, a considerably larger surface area for the removal of heat from the waste gas is available, with the result that in the case of laminar flow of the waste gas through the subducts a high effectiveness of the separation of liquids from the waste gas can be achieved. In the heating zone, the waste gas can heat up again due to the reduced flow rate until it reaches the hydrophobic sterile filter by way of taking up heat from the surroundings to a such a degree that the relative vapor contents are below 100% and separation of liquids from residual vapors at or in the hydrophobic sterile filter is precluded.
摘要:
The invention relates to a waste gas system for bioreactors having a hydrophobic sterile filter, arranged at the end, and a heat exchanger which protects the sterile filter against blocking by liquid media. The gas outflow duct for discharging waste gas from a bioreactor vessel is divided in a cooling zone of the heat exchanger into a multiplicity of subducts and is extended in a heating zone of the heat exchanger to a calming zone. Due to the multiplicity of subducts, a considerably larger surface area for the removal of heat from the waste gas is available, with the result that in the case of laminar flow of the waste gas through the subducts a high effectiveness of the separation of liquids from the waste gas can be achieved. In the heating zone, the waste gas can heat up again due to the reduced flow rate until it reaches the hydrophobic sterile filter by way of taking up heat from the surroundings to a such a degree that the relative vapor contents are below 100% and separation of liquids from residual vapors at or in the hydrophobic sterile filter is precluded.
摘要:
The invention relates to a plate heat exchanger comprising a plurality of plates having flow channels, wherein a first plate has a front side having at least one flow channel for a first fluid and a second plate has a front side having at least one flow channel for a second fluid, and wherein the plates have through openings via which the flow channels for the same fluid are respectively connected to one another, wherein a front plate, which is placed in front of the front side of the first plate, has ports for the first fluid and for the second fluid, wherein an end plate forms the end of the aligned plates, wherein the plates and ports are formed from plastic, and wherein the plates are bonded or welded tightly together.
摘要:
A sensor protector is intended to reduce the sensitivity of the optical sensor (4) to radiation products which, for example, are formed during sterilization with gamma radiation and to ensure simple and cost-effective manufacture. The sensor protector includes an upper part (1), a lower part (3) and an optical sensor (4). The optical sensor (4) situated on the lower part is positionable in an offset manner with respect to an opening (2) situated in the upper part and movable by means of displacement toward the opening (2) of the upper part (1). The sensor protector is suitable for use in containers and laboratory products that are sterilized by gamma radiation, for example disposable bioreactors.
摘要:
Aeration device for bioreactors with an aeration element with gas outlet openings arranged in a housing, the aeration element taking the form of a microsparger, the gas outlet openings of which are in each case spaced apart from one another and have a size of between 100 μm and 200 μm. At least one second aeration element with gas outlet openings of a second size is preferably provided, the aeration elements being formed by a common housing with separate aeration channels.
摘要:
A sensor protector is intended to reduce the sensitivity of the optical sensor (4) to radiation products which, for example, are formed during sterilization with gamma radiation and to ensure simple and cost-effective manufacture. The sensor protector includes an upper part (1), a lower part (3) and an optical sensor (4). The optical sensor (4) situated on the lower part is positionable in an offset manner with respect to an opening (2) situated in the upper part and movable by means of displacement toward the opening (2) of the upper part (1). The sensor protector is suitable for use in containers and laboratory products that are sterilized by gamma radiation, for example disposable bioreactors.