Chemicals for use in industry and science, excluding nanomaterial-based chemicals; biochemicals, namely, polypeptides and antibodies for scientific, laboratory or research purposes; biochemicals, namely, polypeptides and antibodies for use in the manufacture of pharmaceuticals and drugs; biochemicals, namely, ion channel blocking antibodies for scientific, laboratory or research purposes; biochemicals, namely, ion channel blocking antibodies for use in the manufacture of pharmaceuticals and d...