Atelocollagen Ultrapure, Porcine Type I, Enzymatic Extraction, Dialyzed, Lyophilized. Characterized by rich and ultra dialysis-purified Type I collagen content in a regular fibril-like configuration that retains its superior functionality and structural properties. The proprietary pepsin enzyme-based extraction removes telopeptides at the nonhelical N and C termini, resulting in a triple helix configuration that exhibits reduced immunogenicity. APPLICATION: Biocompatible and biodegradable, suitable for many research applications, such as bioink for 3D bioprinting, in vitro cell culture, cell functional assays, etc. MANUFACTURER: Promed Bioscience Ltd. CAS NO.: 9007-34-5. PURITY: greater than 97%. SOURCE: Porcine tendon. AMINO ACID ANALYSIS: Typical profile. STERILITY TESTING: Pass (0 cfu/g). STERILIZATION METHOD: Produced under strict aseptic conditions. CELL ATTACHMENT ASSAY: Pass. CELL TOXICITY ASSAY: Pass. OTHER NAMES: Type 1 Collagen, Collagen-1.