PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15300831-9 2004 PAMAM functionalization of PEI (M(w)=5000 and 21 000 g mol(-1)) leads to polymers with little or no cytotoxity in the cell lines investigated. Poly(amidoamine) 0-5 modifier of LPS-response 1 Mus musculus 55-61