Boc	tert-Butyloxycarbonyl
CD	Circular Dichroism
CDCl3	Deuterated Chloroform
D2O	Deuterium Oxide (heavy water)
DLS	Dynamic Light Scattering
DMF	N,N-Dimethylformamide
d-TFA	deuterium Trifluoroacetic acid
ELS	Electrophoretic Light Scattering
Et3N	Triethylamine
EtOAc	Ethyl acetate
Fmoc	9-Fluorenylmethoxycarbonyl
FT-IR	Fourier-Transform Infrared Spectroscopy
1H-NMR	Proton Nuclear Magnetic Resonance
HVT	High Vacuum Techniques
Milli-Q®	Water Purification Systems from Merck Millipore
MWCO	Molecular Weight-cutoff
n-BuLi	n-Butyllithium
NCA	N-Carboxy anhydride
Nim-Trt-HIS-NCA	Nim-Trityl protected N-carboxy anhydride of l-Histidine
Nε-Boc-l-Lys NCA	Nε-tert-butyloxycarbonyl-l-Lysine N-Carboxy Anhydride
Nε-Fmoc-l-Lys NCA	Nε-9-Fluorenylmethoxycarbonyl-l-Lysine N-Carboxy Anhydride
PBS	Phosphate Buffered Saline
PHIS	Poly(l-Histidine)
PLL	Poly(l-Lysine)
Rh	Hydrodynamic Radius
ROP	Ring Opening Polymerization
SEC	Size-Exclusion Chromatography
siRNA	short interfering Ribonucleic Acid
TFA	Trifluoroacetic Acid
THF	Tetrahydrofuran