There is provided a bioabsorbable peptide tissue occluding agent that can be applied to large mammals including humans, the peptide tissue occluding agent being obtained by artificial synthesis to avoid concerns of infection by viruses and the like. The tissue occluding agent contains a peptide, wherein the peptide...

A transfection agent is provided that has lower toxicity and can be applied in the clinical setting. The transfection agent comprises a peptide surfactant.

Methods and devices for sterilizing viscous peptide compositions which have shear thinning rheological properties at high concentrations.

Compositions methods and delivery devices (e.g. pre filled syringes) for controlling bleeding during surgical procedures are provided wherein the compositions are characterized as having an aqueous formulation that is capable of adopting a gelled state upon contact with bodily fluids and/or blood of a patient (i.e. ...

The present disclosure provides peptide compositions (e.g. of self assembling peptides) with particular attributes (e.g. peptide identity peptide concentration pH ionic strength [including salt identity and/or concentration) etc that show particularly useful material properties. The present disclosure also provides ...