Product Description: PeptiInk® Alpha 4™ is a ready-to-use fully synthetic positively charged peptide bioink. PeptiInk® Alpha 4™ is biologically relevant, mimics the extracellular matrix and is suitable for the culture of a variety of cells, including primary cells, immortalized cell lines and stem cells.PeptiInk® Alpha 4™ is highly consistent in mechanical stiffness (G’) and pore size, resulting in excellent reproducible results. Hence, PeptiInk® Alpha 4™ can be used for both in vitro and in vivo applications with physiologically and clinically relevant results.