1 NK cell activation testing kits containing peptide substrates used in analyzing and detecting certain toxins for clinical, research or medical laboratory use; diagnostic kits for clinical laboratory use, namely, kits consisting primarily of monoclonal antibodies and/or recombinant proteins, RNA, DNA for use in disease diagnosis, screening, monitoring, prognosis, and immune status; diagnostic kits for medical laboratory use, namely, kits consisting primarily of monoclonal antibodies and/or recombinant proteins, RNA, DNA for use in disease diagnosis, screening, monitoring, prognosis, and immune status; diagnostic kits for medical research use, namely, kits consisting primarily of (monoclonal antibodies and/or recombinant proteins, RNA, DNA for use in disease diagnosis, screening, monitoring, prognosis, and immune status; diagnostic kits for clinical research use, namely, kits consisting primarily of monoclonal antibodies and/or recombinant proteins, RNA, DNA for use in disease diagnosis, screening, monitoring, prognosis, and immune status; diagnostic preparations for clinical laboratory use and medical laboratory use; diagnostic preparations for clinical research use other than for medical use; diagnostic reagents for clinical laboratory use, medical laboratory use, medical research use and clinical research use