Urease Reference: LS003889 Fractionated from crude jack bean meal extract. Tested for ammonia. A soluble, lyophilized preparation.
Hyaluronic Acid Reference: LS003907 A partially purified powder. Suitable as a substrate for hyaluronidase assays.
Hyaluronic Acid Reference: LS003909 A partially purified powder. Suitable as a substrate for hyaluronidase assays.
Hyaluronic Acid Reference: LS003910 A partially purified powder. Suitable as a substrate for hyaluronidase assays.
Hyaluronic Acid Reference: LS003911 A partially purified powder. Suitable as a substrate for hyaluronidase assays.
Phosphodiesterase I Reference: LS003926 Purified by the method of Williams, Sung and Laskowski, J. Biol. Chem., 236, 1130 (1961). Further treated to inactivate contaminating 5'-nucleotidase activity according to Sulkowski and Laskowski: Biochim. Biophys. Acta, 240, 443 (1961). Lyophilized in vials.