摘要 |
<p>A particle [1] comprising a nucleic acid molecule [2] and a poiyamicioamine (PAA) polymer [4], wherein both the nucleic acid molecule [2] and the PAA polymer [4] comprise a pendant disulphide, sulphydryl or activated sulphydryl moiety and are capable of cross-linking with each other. The particle further comprises stabilising cross-linkers [6] & [7].</p> |