Diagnostic kits consisting primarily of monoclonal antibodies, buffers, and reagents to monitor toxicity of drugs; Diagnostic preparations for scientific or research use; Diagnostic preparations for clinical or medical laboratory use; Diagnostic preparations for scientific or research use; Diagnostic preparations for scientific or research use other than for medical use; Diagnostic preparations for scientific use; Diagnostic preparations used in science; Diagnostic reagents for clinical or medical laboratory use; Diagnostic reagents for in vitro use in biochemistry, clinical chemistry and microbiology; Diagnostic reagents for scientific or research use; Immunohistochemistry detection kits consisting of mouse secondary reagents, DAB chromogens, DAB buffers, peroxidase blocking reagent, and hematoxylin, for anatomic pathology purposes in the medical diagnostics industry; Laboratory chemicals, namely, an antibody reagent used for the detection of antigens in cell and tissue analysis for in vitro diagnostic use