Chemicals and biochemicals used for industrial and scientific purposes; chemicals and biochemicals, namely, single assay components, namely, assays for research purposes, assay kits comprised primarily of assays for research, fluorescent dyes and their conjugates for research use; reagents for research purposes in the field of biophysics and biochemistry, drug development, screening drug delivery, and cell based assays, namely, membrane transport, permeability and drug delivery assays other t...