Introduction: There are not effective drugs available for treatment of dengue fever despite intensive research on synthetic inhibitors. The search for active phytochemicals could serve for the discovery of new drugs. This study aims to evaluate the antiviral activity in vitro of ...
Autor(es): Elena Stashenko. Raquel Elvira Ocazionez Jiménez.
Six Lippia sp. were subjected to sequence analysis of the small ribosomal subunit (SRS) or 18S rDNA gene (ca. 1530 bp in length) for studying their genetic relationship. A total of nine nucleotide differences distinguished the species-specific SRS haplotypes of L. alba, L. americ...
Autor(es): Elena Stashenko. Fernando Rondón González. Liliana Santamaría Acevedo. César Augusto Prada Medina. Francisco José Martínez Pérez. Jorge Luis Fuentes Lorenzo.
Lichens are symbiotic associations of fungi with microalgae and/or cyanobacteria, which are considered among the slowest growing organisms, with strong tolerance to adverse environmental conditions. There are about 400 genera and 1600 species of lichens and those belonging to the...
Autor(es): Elena Stashenko. Édgar Nagles. Alberto Cornejo Mora. Alejandro Ardiles.
Los metabolitos secundarios volátiles de Satureja viminea L. se aislaron por diferentes técnicas, i.e., hidrodestilación asistida por microondas (MWHD), destilación-extracción simultánea con solvente (SDE), extracción con fluido supercrítico (SFE-CO2), y microextracción en fase s...
Autor(es): Elena Stashenko. Jairo Rene Martinez. Diana Lisseth Manrique. Dora Gutiérrez Avella.
Treatments targeting hormone receptors typically fail to provide a positive clinical outcome against triple-negative breast cancers (TNBC), which lack expression of estrogen receptor (ER), progesterone receptor (PR) and human epidermal growth factor receptor 2 (Her2/neu). Towards...
Autor(es): Elena Stashenko. Jorge Luis Fuentes Lorenzo.
The in vitro antifungal effect of five essential oils (EOs) (EO1, EO2, EO3, EO4 and EO5) extracted from Lippia origanoides, L. citriodora and L. alba on isolates of Monilia (Moniliophthora roreri] was evaluated. Lippia plants were collected at five locations in Colombia, and moni...
Autor(es): Janeth Aide Perea. Elena Stashenko.