Abstract: The present invention provides a transcription factor NCgl0581 mutant and use thereof in L-serine detection, belonging to the technical field of biological detection. According to the present invention, key binding sites of the transcription factor NCgl0581 with L-serine are obtained through molecular docking, and further model analysis and virtual screening are carried out to obtain an L-serine biosensor mutant NCgl0581E136P. Experiments show that the biosensor constructed based on the mutant NCgl0581E136P can respond to 25 mM serine, which is half of the response concentration before the mutation. The present invention reduces the detection limit of the biosensor through mutation, lays a foundation for the detection of low-concentration L-serine, and has good application value and prospect.

Abstract: A system and method are provided for packaging and sterilizing analyte sensors. The packaging system provides a structure for securing the analyte sensors in a fixed position and fixed orientation within the package.

Abstract: In an air conditioning system, a condenser is provided in the first heat exchange air duct, the first air inlet end includes a first air inlet communicated with a circulating air inlet inside the vehicle and a second air inlet communicated with the outside of the vehicle, and the first air outlet end is respectively communicated with a first air outlet communicated with the inside of the vehicle and a second air outlet communicated with the outside of the vehicle. An evaporator is provided in the second heat exchange air duct, the second air inlet end includes a third air inlet communicated with the circulating air inlet inside the vehicle and a fourth air inlet communicated with the outside of the vehicle.

Abstract: A system and method are provided for packaging and sterilizing analyte sensors. The packaging system provides a structure for securing the analyte sensors in a fixed position and fixed orientation within the package.

Abstract: A system and method are provided for packaging and sterilizing analyte sensors. The packaging system provides a structure for securing the analyte sensors in a fixed position and fixed orientation within the package.

Abstract: A system and method are provided for packaging and sterilizing analyte sensors. The packaging system provides a structure for securing the analyte sensors in a fixed position and fixed orientation within the package.

Abstract: A system and method are provided for packaging and sterilizing analyte sensors. The packaging system provides a structure for securing the analyte sensors in a fixed position and fixed orientation within the package.

Abstract: A system and method are provided for packaging and sterilizing analyte sensors. The packaging system provides a structure for securing the analyte sensors in a fixed position and fixed orientation within the package.

Abstract: A system and method are provided for packaging and sterilizing analyte sensors. The packaging system provides a structure for securing the analyte sensors in a fixed position and fixed orientation within the package.

Abstract: A system and method are provided for packaging and sterilizing analyte sensors. The packaging system provides a structure for securing the analyte sensors in a fixed position and fixed orientation within the package.

Abstract: A system and method are provided for packaging and sterilizing analyte sensors. The packaging system provides a structure for securing the analyte sensors in a fixed position and fixed orientation within the package.

Abstract: A method of supplying ink to an inkjet printhead having multiple ink color channels. The method includes the steps of: supplying black ink to a black color channel of the printhead; and supplying yellow ink to a yellow color channel of the printhead. The black ink is supplied to the printhead at a lower pressure than the yellow ink.

Abstract: A fluid container for a printing system is provided having a body defining a fluid reservoir, a first fluid port for connecting the fluid reservoir to a first fluid path of a printhead of the printing system, a second fluid port for connecting the fluid reservoir to a second fluid path of the printhead, and a third fluid port for connecting the fluid reservoir to a third fluid path to a gas vent.

Abstract: A method of supplying ink to an inkjet printhead having multiple ink color channels. The method includes the steps of: supplying black ink to a black color channel of the printhead; and supplying yellow ink to a yellow color channel of the printhead. The black ink is supplied to the printhead at a lower pressure than the yellow ink.

Abstract: A system for reducing ink color mixing effects in a printer is provided having a printhead having multiple ink color channels mounted to a housing of the printer at a first level, and a plurality of ink supply cartridges mounted to the printer housing so as to be fluidically connected to the printhead and stacked in an array having a plurality of rows defining a plurality of levels which are lower than the first level. The plurality of ink supply cartridges include at least one black ink supply cartridge which supplies black colored ink to a black ink color channel of the printhead. The black ink supply cartridge is disposed at the lowest level defined by the array.

Abstract: A septum assembly for a fluid container is provided having a first septum having a membrane which is piercable by a septum needle sealingly located within a fluid port of the fluid container which communicates with a fluid reservoir of the fluid container, and a second septum having a slit through which the septum needle passes sealingly located within the fluid port of the fluid container adjacent the first septum so that the septum needle passes through the slit of the second septum before piercing the first septum.

Abstract: A system for distributing fluid and gas within a printer is provided having a fluid container having three fluid ports, a first fluid path connecting the first fluid port to a printhead of the printer, a second fluid path connecting the second fluid port to the printhead, and a third fluid path connecting the third fluid port to a gas vent. The first and second fluid ports are configured so that fluid from the fluid container flows between the first and second fluid paths via the printhead and the third fluid port is configured so that gas flows between the fluid container and gas vent.

Abstract: A system for reducing ink color mixing effects in a printer is provided having a printhead having multiple ink color channels mounted to a housing of the printer at a first level, and a plurality of ink supply cartridges mounted to the printer housing so as to be fluidically connected to the printhead and stacked in an array having a plurality of rows defining a plurality of levels which are lower than the first level. The plurality of ink supply cartridges include at least one black ink supply cartridge which supplies black colored ink to a black ink color channel of the printhead. The black ink supply cartridge is disposed at the lowest level defined by the array.

Abstract: A septum assembly for a fluid container is provided having a first septum having a membrane which is piercable by a septum needle sealingly located within a fluid port of the fluid container which communicates with a fluid reservoir of the fluid container, and a second septum having a slit through which the septum needle passes sealingly located within the fluid port of the fluid container adjacent the first septum so that the septum needle passes through the slit of the second septum before piercing the first septum.

Abstract: A fluid container for a printing system is provided having a body defining a fluid reservoir, a first fluid port for connecting the fluid reservoir to a first fluid path of a printhead of the printing system, a second fluid port for connecting the fluid reservoir to a second fluid path of the printhead, and a third fluid port for connecting the fluid reservoir to a third fluid path to a gas vent.