Collins, Patrick, McMahon, Gillian, O'Brien, Pamela and O'Connor, Brendan ORCID: 0000-0002-6857-1614 (2004) Purification, identification and characterisation of the active site of a Seprase-like activity from bovine serum. International Journal of Biochemistry & Cell Biology, 36 (11). pp. 2320-2333. ISSN 1878-5875

Buckley, Seamus J., Collins, Patrick and O'Connor, Brendan ORCID: 0000-0002-6857-1614 (2004) The purification and characterisation of novel dipeptidyl peptidase IV-like activity from bovine serum. International Journal of Biochemistry & Cell Biology, 36 (7). pp. 1281-1296. ISSN 1357-2725

McMahon, Gillian, Collins, Patrick and O'Connor, Brendan ORCID: 0000-0002-6857-1614 (2003) Characterisation of the active site of a newly-discovered and potentially significant post-proline cleaving endopeptidase called ZIP using LC-MS. The Analyst, 128 (6). pp. 670-675. ISSN 0003-2654

Collins, Patrick (2003) The study of a new and specific proline cleaving peptidase from bovine serum. PhD thesis, Dublin City University.