Table 1 Summary of investigated PNA linkers. The linkers are composed of either double-stranded (ds) or single strand (ss) PNA architectures. Successful particle formation is indicated by ‘YES’ (observed) or ‘NO’ (not observed).

From: Peptide nucleic acid-zirconium coordination nanoparticles

PNA sequences

Description

Architecture

Particle formation

GC-ACI

Palindromic

ds

NO

GC-TPA

Palindromic

ds

NO

CATG-ACI

Palindromic

ds

NO

CATG-TPA

Palindromic

ds

NO

GCATGC-ACI

Palindromic

ds

NO

GCATGC-TPA

Palindromic

ds

YES

CAGTACTG-ACI

Palindromic

ds

NO

CAGTACTG-TPA

Palindromic

ds

YES

CGTGAC-TPA + GTCACG-TPA

Non-palindromic

ds

YES

CGTGAC-TPA + GTCACG

Non-palindromic

ds

minor formation

PAMBA-CGTGAC-TPA + GTCACG

Non-palindromic

ds

YES

PAMBA-CGTGAC-TPA

Non-palindromic

ss

YES

PAMBA-GCAGCT-TPA

Non-palindromic

ss

YES

PAMBA-CCTCTTACCTCAGTTACA-TPA

Non-palindromic (705 SSO)

ss

YES