Patent ID: 8133985

Claim:
A peptide nucleic acid (PNA) conjugated with multi-amine linkers, which is represented by Chemical Formula (1): wherein in the Formula, Z represents a PNA oligomer having 8-30 nucleobases; wherein A is bonded to N-terminal of the PNA oligomer and is optional, and when present represents wherein D represents alkylene having 8-200 carbon atoms, and one or more carbon atoms of alkylene may be substituted by nitrogen, oxygen or carbonyl; L I , L 2 and L 3 independently represent a chemical bond, or an alkylene having 1-10 carbon atom(s), wherein the carbon atoms in the alkylene may be further substituted by one or more oxygen atom(s); X represents CH or N; m represents an integer from 2 to 10; and n is 0 or 1.