Biochemical reagents commonly known as probes, for detecting and analyzing molecules in protein or nucleotide arrays; Chemical solutions and preparations consisting of pre-mixed reactants and reagents for scientific and research use in connection with amplification, analysis or labeling of nucleic acid; Chemical test kits for medical testing for laboratory or research use; Diagnostic reagents for clinical or medical laboratory 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; Nucleic acid isolation and purification kit consisting primarily of reagents and magnetic beads for scientific research purposes; Reagent paper other than for medical purposes; Reagent paper, other than for medical or veterinary purposes; Testing kits containing peptide substrates used in analyzing and detecting certain toxins for clinical or medical laboratory use