Amino acids for laboratory or research use; Biomedical compounds, namely, peptide substrates used in analyzing and detecting certain toxins for clinical or medical laboratory use; Biomedical compounds, namely, peptide substrates used in analyzing and detecting certain toxins for laboratory or research use; Cells for scientific, laboratory or medical research; Chemical test kits for analysis of amino acids and biomedical compounds for laboratory or research use; Chemically treated non-medical test strips for calibration of laboratory test equipment; Diagnostic preparations for clinical or medical laboratory use; Diagnostic reagents for clinical or medical laboratory use; Laboratory chemicals, namely, an antibody reagent used for the detection of antigens in cell and tissue analysis for in vitro diagnostic use; Nucleic acid for laboratory use; Testing kits containing peptide substrates used in analyzing and detecting certain toxins for clinical or medical laboratory use; Testing kits containing peptide substrates used in analyzing and detecting certain toxins for laboratory or research use