1. An in vitro comparison of the cytotoxic potential of selected dehydropyrrolizidine alkaloids and some N-oxides. (April 2015) Authors: Field, Reuel A.; Stegelmeier, Bryan L.; Colegate, Steven M.; Brown, Ammon W.; Green, Benedict T. Journal: Toxicon Issue: Volume 97(2015) Page Start: 36 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Dehydropyrrolizidine Alkaloids in Two Cryptantha Species: Including Two New Open Chain Diesters One of Which is Amphoteric. Issue 3 (15th October 2012) Authors: Colegate, Steven M.; Gardner, Dale R.; Davis, T. Zane; Betz, Joseph M.; Panter, Kip E. Journal: Phytochemical analysis Issue: Volume 24:Issue 3(2013:May) Page Start: 201 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Heterozygous p53 knockout mouse model for dehydropyrrolizidine alkaloid‐induced carcinogenesis. Issue 12 (17th February 2015) Authors: Brown, Ammon W.; Stegelmeier, Bryan L.; Colegate, Steven M.; Panter, Kip E.; Knoppel, Edward L.; Hall, Jeffery O. Journal: Journal of applied toxicology Issue: Volume 35:Issue 12(2015) Page Start: 1557 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Potentially toxic pyrrolizidine alkaloids in Eupatorium perfoliatum and three related species. Implications for herbal use as boneset. Issue 6 (2nd July 2018) Authors: Colegate, Steven M.; Upton, Roy; Gardner, Dale R.; Panter, Kip E.; Betz, Joseph M. Journal: Phytochemical analysis Issue: Volume 29:Issue 6(2018) Page Start: 613 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Pro-toxic dehydropyrrolizidine alkaloids in the traditional Andean herbal medicine "asmachilca". (22nd August 2015) Authors: Colegate, Steven M.; Boppré, Michael; Monzón, Julio; Betz, Joseph M. Journal: Journal of ethnopharmacology Issue: Volume 172(2015) Page Start: 179 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Pro‐toxic 1, 2‐Dehydropyrrolizidine Alkaloid Esters, Including Unprecedented 10‐Membered Macrocyclic Diesters, in the Medicinally‐used Alafia cf. caudata and Amphineurion marginatum (Apocynaceae: Apocynoideae: Nerieae and Apocyneae). Issue 5 (19th July 2016) Authors: Colegate, Steven M.; Gardner, Dale R.; Betz, Joseph M.; Fischer, Ottmar W.; Liede‐Schumann, Sigrid; Boppré, Michael Journal: Phytochemical analysis Issue: Volume 27:Issue 5(2016:Sep.) Page Start: 257 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Recognition of Pyrrolizidine Alkaloid Esters in the Invasive Aquatic Plant Gymnocoronis spilanthoides (Asteraceae). Issue 3 (27th January 2015) Authors: Boppré, Michael; Colegate, Steven M. Journal: Phytochemical analysis Issue: Volume 26:Issue 3(2015:May) Page Start: 215 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. Semi‐automated Separation of the Epimeric Dehydropyrrolizidine Alkaloids Lycopsamine and Intermedine: Preparation of their N‐oxides and NMR Comparison with Diastereoisomeric Rinderine and Echinatine. Issue 5 (9th May 2014) Authors: Colegate, Steven M.; Gardner, Dale R.; Betz, Joseph M.; Panter, Kip E. Journal: Phytochemical analysis Issue: Volume 25:Issue 5(2014:Sep.) Page Start: 429 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. The comparative toxicity of a reduced, crude comfrey (Symphytum officinale) alkaloid extract and the pure, comfrey‐derived pyrrolizidine alkaloids, lycopsamine and intermedine in chicks (Gallus gallus domesticus). Issue 5 (14th July 2015) Authors: Brown, Ammon W.; Stegelmeier, Bryan L.; Colegate, Steven M.; Gardner, Dale R.; Panter, Kip E.; Knoppel, Edward L.; Hall, Jeffery O. Journal: Journal of applied toxicology Issue: Volume 36:Issue 5(2016) Page Start: 716 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗