Abstract: The present invention provides an antibody that binds to an NTCP, capable of inhibiting infection of human hepatocytes with hepatitis B virus (HBV) particles. The present invention also provides an antibody that binds to an NTCP, capable of inhibiting infection of human hepatocytes with hepatitis B virus (HBV) particles, the antibody having a reduced effect on bile acid transport by NTCP.

Abstract: A timepiece part that is configured from sintered metal parts and can improve the appearance, a timepiece band, and a timepiece. A timepiece part made from a sintered metal body, wherein at least a surface of the timepiece part satisfies a specific condition related to a number of holes. By appropriately setting the specific condition, holes are rendered inconspicuous when observing the surface of the timepiece part. As a result, the appearance of the timepiece part can be improved.

Abstract: An ornamental member includes a first part composed of stainless steel containing Ni, and a second part electrically connected to the first part and composed of a material containing one or more elements selected from the group consisting of Mg, Al, Zn, and Fe. The second part is preferably provided in a region where the second part is not visually observed. Further, the second part is preferably formed using a material in the form of a film. The content of Ni in the first part is preferably 2.0 mass % or more and 29.0 mass % or less.