Abstract: Provided is an antibody, which is capable of specifically binding to a B-cell maturation antigen (BCMA). The provided BCMA antibody is capable of specifically binding to an extracellular fragment of the BCMA and has excellent affinity and specificity; and the antibody is a functional antibody and has the activity blocking binding of the BCMA with its ligand APRIL. Immune cells constructed based on the antibody has an excellent specific killing function for a BCMA-positive tumor cell.

Abstract: The present disclosure relates to semi-permanent tattoos, and more particularly to genipin-based ink compositions as well as layered adhesive articles and methods for application of the genipin-based, semi-permanent tattoos. In some embodiments, the genipin-based ink composition comprises: purified genipin present in an amount of about 5% to about 10% w/w of the composition; one or more volatile solvents present in an amount of about 70% to about 85% w/w of the composition; one or more semi-volatile semi-permanent colorant solubilizers present in an amount of about 10% to about 20% w/w of the composition; and one or more surface-active agents present in an amount of about 0.25% to about 5% w/w of the composition.