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LiLo is a chelating agent for attaching indium-111 to monoclonal antibodies.

LiLo is a new bifunctional chelator that has the activity of forming kinetically stable chelates with metal ions (such as indium). After using LiLo to bind indium-111 to monoclonal antibodies, the in vitro stability and in vivo biodistribution of the conjugates are superior to those using other chelators.

[1] New chelating agent for attaching indium-111 to monoclonal antibodies: in vitro and in vivo evaluation