Abstract: Provided is a liquid ejection apparatus, liquid ejection method, dispensing apparatus, and compound introduction apparatus capable of inhibiting contamination of a liquid after being ejected. The liquid ejection apparatus has an ejection unit having an ejection part and an ejection energy generation element that ejects a liquid from the ejection part by using a principle of inkjet ejection into an internal space in a storage part capable of storing the ejected liquid. When ejecting the liquid, the ejection unit covers an opening portion of the storage part to thereby screen the internal space in the storage part from an external space.

Abstract: Provided are a liquid injection method, a liquid injection device, and a liquid cartridge capable of suppressing a wasteful consumption of a liquid. To this end, the liquid injection method is to eject a liquid from a liquid injector to a liquid cartridge including a liquid ejection head that ejects the liquid, a channel that is connected to the liquid ejection head and is capable of supplying the liquid to the liquid ejection head, and an opening portion that is connected to the channel and is provided to be wider than the channel. The methods includes directly injecting the liquid into the channel.

Abstract: Provided is an ink jet printing method including: a first step of ejecting an ink containing a water-soluble polymerizable component A and water from a printing head of an ink jet system to apply the ink to a medium M, to thereby form a first image; and a second step of applying an active energy ray to the first image to form a second image. The polymerizable component A is dissolved in the first image, and a moisture concentration “x” (mass %) in the first image and a moisture concentration “y” (mass %) in the second image placed under an environment at a humidity of 95% satisfy a relationship of 0<(y/x)?0.80.

Abstract: Provided is a cell processing method including: preparing a cell suspension containing a cell to be processed and a target substance; and introducing the target substance into the cell to be processed by allowing a shear force to act on the cell to be processed, wherein the cell to be processed is a cell, which is selected from a cell group including cells in a proliferation process, and which has a cell diameter larger than a mode in a cell diameter distribution of the cell group.

Abstract: To provide a liquid storage container equipped with a plug member that can prevent leakage of a liquid from the liquid storage container and can be opened without causing scatter of the liquid, and a liquid ejection apparatus equipped with the liquid storage container. For the purpose, at least one of a connection part of the convex part with the cover part and an apical part of the convex part most apart from the connection part is provided offset from the centroid of the cover part, seen from a direction orthogonal to an opening surface of a supply port in a state that the plug member is mounted on a supply port of the liquid storage container.

Abstract: The active energy ray-curable liquid composition according to the present disclosure is an active energy ray-curable liquid composition that contains water and a curable substance and is curable with an active energy ray, in which the curable substance contains a monofunctional polymerizable monomer having a structure represented by the Formula (1); in Formula (1), R1 represents a hydrogen atom or a saturated hydrocarbon group, R2 represents a saturated hydrocarbon group that has at least one of a hydroxyl group or an amide bond and may contain a heteroatom, R3 represents a hydrogen atom or a methyl group, R1 and R2 may be bonded together to form an aliphatic heterocycle together with a nitrogen atom substituted with R1 and R2 in a case where R1 represents a saturated hydrocarbon group, and a total number of carbon atoms of the saturated hydrocarbon groups represented by R1 and R2 is 5 or more.

Abstract: Provided is a compound introduction apparatus including: a processing chamber; a first heater that introduces an introduction-target compound into a cell inside the processing chamber; a supply flow channel for supplying a cell suspension containing the cell and the introduction-target compound to the processing chamber; a discharge flow channel for discharging the cell suspension from the processing chamber; a second heater that prevents backflow of the cell suspension from the processing chamber into the supply flow channel; and a third heater that pressurizes the discharge flow channel.

Abstract: Provided is a liquid ejection apparatus, liquid ejection method, dispensing apparatus, and compound introduction apparatus capable of inhibiting contamination of a liquid after being ejected. The liquid ejection apparatus has an ejection unit having an ejection part and an ejection energy generation element that ejects a liquid from the ejection part by using a principle of inkjet ejection into an internal space in a storage part capable of storing the ejected liquid. When ejecting the liquid, the ejection unit covers an opening portion of the storage part to thereby screen the internal space in the storage part from an external space.

Abstract: One embodiment of the present invention provides a compound introduction apparatus for introducing a compound into a cell, including: a supply flow channel for supplying a cell suspension containing the cell and the compound; an introduction unit configured to introduce the compound into the cell; and an ejection port for ejecting the cell suspension containing the cell in which the compound has been introduced. A height of the channel relative to a flow direction of the cell suspension through the channel is more than 1.0 times a diameter of the cell and less than 2.0 times the diameter, and a width of the channel relative to the flow direction is more than 1.0 times the diameter of the cell and less than 2.0 times the diameter, and a diameter of the ejection port is more than 1.0 times the diameter of the cell and less than 2.0 times the diameter.

Abstract: An aqueous inkjet ink of the present disclosure is an active energy ray curable aqueous inkjet ink including a water-soluble monomer having a polymerizable group and a hydrazide compound. The water-soluble monomer is a curable substance having a ketone structure.

Abstract: To provide a liquid storage container equipped with a plug member that can prevent leakage of a liquid from the liquid storage container and can be opened without causing scatter of the liquid, and a liquid ejection apparatus equipped with the liquid storage container. For the purpose, at least one of a connection part of the convex part with the cover part and an apical part of the convex part most apart from the connection part is provided offset from the centroid of the cover part, seen from a direction orthogonal to an opening surface of a supply port in a state that the plug member is mounted on a supply port of the liquid storage container.

Abstract: To provide a liquid storage container equipped with a plug member that can prevent leakage of a liquid from the liquid storage container and can be opened without causing scatter of the liquid, and a liquid ejection apparatus equipped with the liquid storage container. For the purpose, at least one of a connection part of the convex part with the cover part and an apical part of the convex part most apart from the connection part is provided offset from the centroid of the cover part, seen from a direction orthogonal to an opening surface of a supply port in a state that the plug member is mounted on a supply port of the liquid storage container.

Abstract: Provided are an ink jet image forming method and an ink jet image forming apparatus in which a complex elastic modulus (Pa) before an intermediate image comes into contact with a liquid absorbing member is 4.0 or more in the common logarithm, and a complex elastic modulus (Pa) before the intermediate image comes into contact with the recording medium is 7.0 or less in the common logarithm.

Abstract: A liquid container unit includes: a liquid container including: a plurality of liquid storage portions; and a plurality of injection ports which are provided to the respective plurality of liquid storage portions, and are configured to enable injection of liquid into the plurality of liquid storage portions; and an injection port cover which is provided to the liquid container so as to be rotatable and is configured to cover the plurality of injection ports so as to be openable and closable, the injection port cover including a plurality of stopper members configured to close the plurality of injection ports when the injection port cover is closed.

Abstract: To provide a liquid storage container equipped with a plug member that can prevent leakage of a liquid from the liquid storage container and can be opened without causing scatter of the liquid, and a liquid ejection apparatus equipped with the liquid storage container. For the purpose, at least one of a connection part of the convex part with the cover part and an apical part of the convex part most apart from the connection part is provided offset from the centroid of the cover part, seen from a direction orthogonal to an opening surface of a supply port in a state that the plug member is mounted on a supply port of the liquid storage container.

Abstract: Provided are: a liquid absorbing member configured to remove at least part of a liquid component contained in an ink image applied to a printing medium or a transfer body by being brought into contact with the ink image, the liquid absorbing member containing a hydrophilic and oil-repellent material in at least part of a surface thereof that is to be brought into contact with an ink; and an image forming apparatus including the liquid absorbing member. Also provided are a liquid removal method and an image forming method each using the liquid absorbing member.

Abstract: Provided are an ink jet image forming method and an ink jet image forming apparatus in which a complex elastic modulus (Pa) before an intermediate image comes into contact with a liquid absorbing member is 4.0 or more in the common logarithm, and a complex elastic modulus (Pa) before the intermediate image comes into contact with the recording medium is 7.0 or less in the common logarithm.

Abstract: To provide a liquid storage container equipped with a plug member that can prevent leakage of a liquid from the liquid storage container and can be opened without causing scatter of the liquid, and a liquid ejection apparatus equipped with the liquid storage container. For the purpose, at least one of a connection part of the convex part with the cover part and an apical part of the convex part most apart from the connection part is provided offset from the centroid of the cover part, seen from a direction orthogonal to an opening surface of a supply port in a state that the plug member is mounted on a supply port of the liquid storage container.

Abstract: There are provided a liquid container including a plug member which prevents leakage of a liquid from the liquid container and can be opened without scattering the liquid and a liquid ejection apparatus including the liquid container. For that purpose, a projecting portion in the plug member is provided below a center part of the plug member in a gravity direction in an attitude at the time of use of the liquid ejection apparatus.

Abstract: A liquid supplying mechanism includes: a tank including a liquid storage section configured to store a liquid, and a liquid injection port configured to inject the liquid into the liquid storage section; and a bottle configured to replenish the liquid into the tank. The bottle includes: a bottle section configured to store the liquid; and a protruding section, which protrudes from the bottle section, and is insertable into the liquid injection port so as to inject, into the liquid storage section, the liquid stored in the bottle section. The liquid injection port includes: a protruding section insertion portion into which the protruding section of the bottle is insertable; and a protruding section fixing portion, which is engageable with the protruding section of the bottle, to thereby be capable of fixing the bottle to the tank.