Trypsin, TPCK-Treated, Irradiated Reference: LS003752 Chromatographically purified trypsin treated with L-(tosylamido-2-phenyl) ethyl chloromethyl ketone (TPCK) to inhibit contaminating chymotryptic activity according to Kostka and Carpenter, JBC, 239, 1799 (1964), Code: TRTPCK, lyophilized, irradiated and tested for the absence of mycoplasma and extraneous virus according to 9 CFR 113.53c. Each vial is filled to contain ≥100 mg.
Urease Reference: LS003885 Fractionated from crude jack bean meal extract. Tested for ammonia. A soluble, lyophilized preparation.
Urease Reference: LS003886 Fractionated from crude jack bean meal extract. Tested for ammonia. A soluble, lyophilized preparation.
Urease Reference: LS003887 Fractionated from crude jack bean meal extract. Tested for ammonia. A soluble, lyophilized preparation.
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.