| Ozone reactivity and free radical scavenging behavior of phenolic secondary metabolites in lichens exposed to chronic oxidant air pollution from Mexico City N Valencia-Islas, A Zambrano, JL Rojas Journal of Chemical Ecology 33, 1619-1634, 2007 | 77 | 2007 |
| Phytotoxicity and ultrastructural effects of gymnopusin from the orchid Maxillaria densa on duckweed (Lemna pausicostata) frond and root tissues NA Valencia-Islas, RN Paul, WT Shier, R Mata, HK Abbas Phytochemistry 61 (2), 141-148, 2002 | 30 | 2002 |
| Metabolites with antioxidant and photo-protective properties from Usnea roccellina Motyka, a lichen from Colombian Andes JL Rojas, M Díaz-Santos, NA Valencia-Islas Pharmaceutical and Biosciences Journal 3 (4), 18-26, 2015 | 27 | 2015 |
| Phytotoxic Compounds from Prionosciadium watsoni N Valencia-Islas, H Abbas, R Bye, R Toscano, R Mata Journal of natural products 65 (6), 828-834, 2002 | 26 | 2002 |
| Molecular interactions of new pregnenedione derivatives E Bratoeff, E Ramírez, E Flores, N Valencia, M Sánchez, I Heuze, ... Chemical and pharmaceutical bulletin 51 (10), 1132-1136, 2003 | 24 | 2003 |
| Antioxidantes de los líquenes Stereocaulon strictum (Stereocaulaceae) y Lobariella pallida (Lobariaceae) y determinación de su potencial citotoxicidad LS Perico-Franco Universidad Nacional de Colombia, 2011 | 23* | 2011 |
| Molecular interactions of progesterone derivatives with 5α-reductase types 1 and 2 and androgen receptors E Bratoeff, P García, Y Heuze, J Soriano, A Mejía, AM Labastida, ... Steroids 75 (7), 499-505, 2010 | 23 | 2010 |
| Novel C-6 substituted and unsubstituted pregnane derivatives as 5α-reductase inhibitors and their effect on hamster flank organs diameter size M Cabeza, A Zambrano, I Heuze, E Carrizales, A Palacios, T Segura, ... Steroids 74 (10-11), 793-802, 2009 | 18 | 2009 |
| Antioxidant activity and protective effect on cell and DNA oxidative damage of substances isolated from lichens of Colombian Páramo LS Perico-Franco, JL Rojas, MA Cerbón, I González-Sánchez, ... Pharmaceutical and Biosciences Journal 3 (4), 09-17, 2015 | 13 | 2015 |
| Antimicrobial diterpenes from Salvia reptans M Martínez-Vázquez, P Miranda, NA Valencia, ML Torres, R Miranda, ... Pharmaceutical biology 36 (2), 77-80, 1998 | 11 | 1998 |
| New β-orcinol depsides from Hypotrachyna caraccensis, a lichen from the páramo ecosystem and their free radical scavenging activity A Leal, JL Rojas, NA Valencia-Islas, L Castellanos Natural product research 32 (12), 1375-1382, 2018 | 10 | 2018 |
| Secondary metabolites and cytotoxic potential of Lobariella pallida and Stereocaulon strictum var. compressum, two lichens from Colombian páramo region LS Perico-Franco, M Soriano-García, MA Cerbón, I González-Sánchez, ... Pharmaceutical and Biosciences Journal 3 (4), 31-38, 2015 | 9 | 2015 |
| Biological evaluation of androstene derivatives M Garrido, E Bratoeff, M García‐Lorenzana, Y Heuze, J Soriano, ... Archiv der Pharmazie 346 (1), 62-70, 2013 | 9 | 2013 |
| Fitotoxicidad de extractos metanólicos de los líquenes Everniastrum sorocheilum, Usnea roccellina y Cladonia confusa JA Nieves, LJ Acevedo, NA Valencia-Islas, JL Rojas, R Dávila Glalia 4, 96, 2011 | 8 | 2011 |
| Antioxidant and photoprotective metabolites of Bunodophoron melanocarpum, a lichen from the Andean páramo NA Valencia-Islas, JJ Arguello, JL Rojas Pharmaceutical Sciences 27 (2), 281-290, 2021 | 7 | 2021 |
| Orcinol derivative compound with antioxidant properties protects Langerhans islets against streptozotocin damage NMV Sánchez-Lira, A Morales-Miranda, G García de la Mora, ... Journal of Pharmacy and Pharmacology 69 (3), 305-313, 2017 | 7 | 2017 |
| Xanthones, flavones and coumarins from Amarantus paniculatus Schinz (Amarantaceae) E Bratoeff, MC Perez-Amador, E Ramirez, G Flores, N Valencia Phyton, 1997 | 7 | 1997 |
| 17α-acetoxy-17β-methyl-16β-phenyl-D-homo-4, 6-pregnadiene-3, 17a-dione: synthesis and crystal structure determination of a new rearranged pregnane derivative M Soriano-Garcia, S Hernandez-Ortega, E Bratoeff, N Valencia, ... Journal of chemical crystallography 28, 487-491, 1998 | 3 | 1998 |
| Determinación del potencial del hongo liquenizado Bunodophoron melanocarpum como fuente de compuestos duales con actividad foto-protectora y antioxidante JJ Arguello-Galindo Universidad Nacional de Colombia, 2019 | 2 | 2019 |
| Identificación de ácidos orgánicos causantes de la solubilización de fósforo inorgánico sintetizados por actinomicetos aislados de suelos en los Andes Orientales Colombianos LD Prada Salcedo Universidad Nacional de Colombia, 2013 | 2 | 2013 |
Litta Samari Perico FrancoProfesora Asociada Universidad Nacional de Colombia, Departamento de FarmaciaDirección de correo verificada de unal.edu.co
