NHS-PEG1-SS-PEG1-NHS is a reversible linker used for interacting biomolecules with active small molecules and is effective for linking protein liposomes or nanoparticles (NHS-PEG1-SS-PEG1-NHS).

Phosphoethanolamine (PE) is a phosphomonoester metabolite of the phospholipid metabolism. PE is a precursor of phospholipid synthesis and a product of phospholipid breakdown.

Lys-Arg-Thr-Leu-Arg-Arg (KRTLRR) is a hexapeptide. Lys-Arg-Thr-Leu-Arg-Arg is a substrate of protein kinase C from EGF receptor. Lys-Arg-Thr-Leu-Arg-Arg can be used to determine the activity of protein kinase C.