Abstract: There is provided a ferritic lightweight steel which contains 2.0 to 3.0 wt % manganese (Mn), 5.0 to 6.0 wt % aluminum (Al) and 0.1 to 0.3 wt % carbon (C) and has a tensile strength of 900 MPa to 1,108 MPa. The lightweight steel includes ferrite-austenite dual grains as a result of performing low-temperature tempering-induced partitioning (LTP) at 300° C. for 10 minutes after isothermal annealing.

Abstract: A camera module includes a housing, a movable body configured to move in a direction of an optical axis of the housing; a reinforcing member formed integrally on one surface of the movable body, and configured to increase a rigidity of the movable body; and a first buffer member formed in the reinforcing member, and configured to reduce an impactive force between the housing and the movable body.

Abstract: A camera module includes a carrier supported on a housing and movable in an optical axis direction, at least one frame supported on the carrier and movable, relative to the carrier, in at least one direction perpendicular to the optical axis direction, and a lens module supported on the frame. The frame is supported on the carrier such that attractive force acts in the at least one direction perpendicular to the optical axis direction.

Abstract: The present disclosure relates to a novel strain for inhibiting a Chinese cabbage soft rot disease from microorganisms isolated from samples of a bacillus source of soil polluted with a soft-rot disease, a culture medium and crude extract using the culture medium, an environmentally friendly plant disease control agent using same, and a method for utilizing same as an environment-friendly preparation biopesticide by using same as a raw material. The present disclosure also relates to a control method for treating soils or plants using an environmentally friendly Chinese cabbage soft-rot disease control agent through various formulation methods by using the strain, a culture medium thereof, and a crude extract thereof.

Abstract: The invention relates to placenta-derived matrix, methods of preparing, and methods of use thereof. The invention also relates to methods of culturing cells, delivering cells, promoting differentiation of stem cells or tissue-specific progenitor cells, and repairing, replacing, regenerating, filling, reducing or inhibiting scarring of defects using the same. The invention further relates to methods of coating placenta-derived matrix on a surface or injecting the placenta-derived matrix into a site of interest.

Abstract: The invention relates to placenta-derived matrix, methods of preparing, and methods of use thereof. The invention also relates to methods of culturing cells, delivering cells, promoting differentiation of stem cells or tissue-specific progenitor cells, and repairing, replacing, regenerating, filling, reducing or inhibiting scarring of defects using the same. The invention further relates to methods of coating placenta-derived matrix on a surface or injecting the placenta-derived matrix into a site of interest.

Abstract: The present invention provides a product comprising plated human hepatocytes on a surface and at least some of the plated hepatocytes are in one or more hepatocyte clusters on feeder cells, which are attached to the surface. A method of preparing plated human hepatocytes is also provided. The preparation method comprises applying human hepatocytes to a surface in the presence of feeder cells, co-culturing the applied hepatocytes with the feeder cells, and forming one or more hepatocyte clusters by the co-cultured hepatocytes on the feeder cells, which are attached to the surface. The plated hepatocytes may be used for various purposes, including the preparation of a hepatitis B virus (HBV) infected hepatocyte culture model and drug testing.

Abstract: The present invention relates to a medium composition for cell proliferation, skin regeneration, and wrinkle improvement that contains a conditioned medium of pluripotent stem cells (PSCs), neural stem cells (NSCs), and embryonic fibroblasts (FBs) as cells isolated from avian eggs as an active ingredient. Specifically, the conditioned medium of egg cells can fundamentally block contamination due to the use of animal serums, exhibits a proliferation effect of various cells containing human stem cells and skin cells without the possibility of transmission by infectious agents between heterogeneous species due to the use of support cells, and exhibits significant skin regeneration or wrinkle improvement effects, and thus the conditioned medium of egg cells can be usefully used for a medium composition for cell proliferation and a cosmetic composition for skin regeneration or wrinkle improvement.

Abstract: The present invention provides a product comprising plated human hepatocytes on a surface and at least some of the plated hepatocytes are in one or more hepatocyte clusters on feeder cells, which are attached to the surface. A method of preparing plated human hepatocytes is also provided. The preparation method comprises applying human hepatocytes to a surface in the presence of feeder cells, co-culturing the applied hepatocytes with the feeder cells, and forming one or more hepatocyte clusters by the co-cultured hepatocytes on the feeder cells, which are attached to the surface. The plated hepatocytes may be used for various purposes, including the preparation of a hepatitis B virus (HBV) infected hepatocyte culture model and drug testing.

Abstract: The present invention relates to an artificial blood vessel comprising a shape-memory polymer, and a vascular anastomotic member formed of a shape-memory polymer. An artificial blood vessel according to an embodiment of the present invention comprises a shape-memory polymer including photo-crosslinkable functional groups, the artificial blood vessel thus provided having a fusion point suitable for in vivo transplantation. Also, provided is a vascular anastomotic member which comprises a shape-memory polymer including photo-crosslinkable functional groups, and thus has a fusion point suitable for in vivo transplantation.

Abstract: The present invention relates to a nasolacrimal duct insertion member comprising a shape memory polymer for treatment of nasolacrimal duct obstruction/stenosis, wherein the shape memory polymer comprises a crosslinkable functional group, such that the nasolacrimal duct insertion member has a melting point suitable for implantation into a living body.

Abstract: The present invention relates to a medium composition for cell proliferation, skin regeneration, and wrinkle improvement that contains a conditioned medium of pluripotent stem cells (PSCs), neural stem cells (NSCs), and embryonic fibroblasts (FBs) as cells isolated from avian eggs as an active ingredient. Specifically, the conditioned medium of egg cells can fundamentally block contamination due to the use of animal serums, exhibits a proliferation effect of various cells containing human stem cells and skin cells without the possibility of transmission by infectious agents between heterogeneous species due to the use of support cells, and exhibits significant skin regeneration or wrinkle improvement effects, and thus the conditioned medium of egg cells can be usefully used for a medium composition for cell proliferation and a cosmetic composition for skin regeneration or wrinkle improvement.

Abstract: The present invention provides a product comprising plated human hepatocytes on a surface and at least some of the plated hepatocytes are in one or more hepatocyte clusters on feeder cells, which are attached to the surface. A method of preparing plated human hepatocytes is also provided. The preparation method comprises applying human hepatocytes to a surface in the presence of feeder cells, co-culturing the applied hepatocytes with the feeder cells, and forming one or more hepatocyte clusters by the co-cultured hepatocytes on the feeder cells, which are attached to the surface. The plated hepatocytes may be used for various purposes, including the preparation of a hepatitis B virus (HBV) infected hepatocyte culture model and drug testing.

Abstract: The present disclosure relates to a novel strain for inhibiting a Chinese cabbage soft rot disease from microorganisms isolated from samples of a bacillus source of soil polluted with a soft-rot disease, a culture medium and crude extract using the culture medium, an environmentally friendly plant disease control agent using same, and a method for utilizing same as an environment-friendly preparation biopesticide by using same as a raw material. The present disclosure also relates to a control method for treating soils or plants using an environmentally friendly Chinese cabbage soft-rot disease control agent through various formulation methods by using the strain, a culture medium thereof, and a crude extract thereof.

Abstract: The invention relates to placenta-derived matrix, methods of preparing, and methods of use thereof. The invention also relates to methods of culturing cells, delivering cells, promoting differentiation of stem cells or tissue-specific progenitor cells, and repairing, replacing, regenerating, filling, reducing or inhibiting scarring of defects using the same. The invention further relates to methods of coating placenta-derived matrix on a surface or injecting the placenta-derived matrix into a site of interest.

Abstract: The present invention provides a three-dimensional nanofibrous scaffold for tissue regeneration, which is increased in porosity and thickness to enlarge the surface area thereof, thereby enabling cell adhesion at a high density, and a method for fabricating the same. The method for fabricating a three-dimensional nanofibrous scaffold for tissue regeneration includes the steps of: (a) preparing a polymer solution; (b) preparing a nanofiber matrix, in which a plurality of nanofibers is entangled with each other, from the polymer solution prepared in step (a) using electrospinning; and (c) immersing the prepared nanofiber matrix in a solution and subjecting the solution to ultrasonication, thereby increasing the thickness and porosity of the nanofiber matrix.

Abstract: The present invention provides a three-dimensional nanofibrous scaffold for tissue regeneration, which is increased in porosity and thickness to enlarge the surface area thereof, thereby enabling cell adhesion at a high density, and a method for fabricating the same. The method for fabricating a three-dimensional nanofibrous scaffold for tissue regeneration includes the steps of: (a) preparing a polymer solution; (b) preparing a nanofiber matrix, in which a plurality of nanofibers is entangled with each other, from the polymer solution prepared in step (a) using electrospinning; and (c) immersing the prepared nanofiber matrix in a solution and subjecting the solution to ultrasonication, thereby increasing the thickness and porosity of the nanofiber matrix.

Abstract: A communication method between an IP terminal and a client is provided to simplify a task for installing an IP terminal in an IP network by improving a communication method between the client and the IP terminal, a communication method between an IP terminal and a client over an IP network without the port mapping or port forwarding of an IP sharer, and a communication method between an IP terminal and a client, which enables even an ordinary person without specialized knowledge to install the IP terminal because the port mapping or port forwarding of an IP sharer is not performed.

Abstract: Provided is a door lock system, which can control a door lock using a user's own terminal without regard to kinds of the user's terminal and mobile service providers that the user's terminal has been registered. The door lock system includes: an entrance door provided at one side of a building; a door lock provided at one side of the entrance door for controlling opening and closing of the entrance door; and a terminal for providing a communication signal to the door lock through communication with the door lock.

Abstract: A process for preparing pyrimidinone compound and salts thereof The method of the present invention enables the convenience to produce the pyrimidinone derivatives in high yields, which pyrimidinone compounds are useful for treating cardiovascular diseases caused by binding angiotensin II to its receptors, through antagonistic activity against angiotensin II receptors.