Contactos Conócenos

Sandra Liliana Ibáñez-Calero

ASSOCIATE PROFESSOR

Phone: +591 (2) 2165700 – Int. 135
E-mail: sandraibanez@lp.upb.edu
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Research Gate


Schooling
  • PhD in Chemistry of Biomolecules (University Paul Sabatier, Tolousse, France)
  • MSc in Chemistry (University of Illinois, Illinois, USA)
  • BS in Chemical Sciences (University of San Andrés, La Paz, Bolivia)

Expertice
  • Natural Products Chemistry: Chemical studies in plants, insects and marine species.
  • Separation, purification and identification of metabolites with potential industrial application.
  • Application in pharmaceutical industry: obtainment of plants’ antifungal compounds.
  • Purification and structural elucidation of active metabolites.  Biological assays in vitro and in vivo. Obtainment of antifungal ointments.  Application in food, textile, cosmetology and pharmaceutical industries: obtainment of natural dyes from plants and insects. 
  • Purification and structural elucidation of active metabolites.  Implementation of extraction techniques at the industrial level.  Application in the food and pharmaceutical industry:  Obtainment of antioxidants from plants for use as food supplements and/or nutraceuticals.  Phytochemical works in separation, identification and quantification of antioxidant metabolites.  Preliminary biological Essays.
  • Chemistry of Bio-molecules: separation, purification and biological essays of active compounds from Bolivian plants.  Evaluation of metabolites against parasitic diseases.  Studies on structure-activity relationships.  Implementation of chemical reactions to study natural redox processes. Search of vegetal species with antimicrobial, anti-tumoral and antiviral activities. Isolation, purification, structural elucidation, and biological assays of natural antiviral compounds.
  • Chromatographic methods and techniques:  thin layer (analytical, preparatory, bi dimensional, bio-TLC), open column, flash, medium pressure (MPLC) high pressure (HPLC), ionic exchange, molecular exclusion, countercurrent centrifugal chromatography (CCC), chromatroton.
  • Analytical Methods and Techniques:  Spectroscopy: of infrared with Fourier’s Transformed (FTIR), of Ultraviolet (UV).  Spectrometry of masses:  of electronic ionization, of rapid atomic bombardment, of chemical ionization, of high resolution (EM-EI,EM-FAB, EM-CI, EM-HRMSMS).  Nuclear Magnetic Resonance of 1 and 2 dimensions (NMR-mono and bi dimensional).
  • Biological methods:  Assays: Antibacterial, Antifungal, Saline Artemia, antitumoral.
  • Chemical-Biological Methods: Chemical reaction of the inhibition of crystallization of ferriprotoporfirina.

Professional Activity
  • Professor- Researcher, Institute of Chemical Research, Chemical Sciences Career, Faculty of Pure and Natural Sciences, Major University of San Andrés, La Paz, Bolivia.
  • Researcher: Institute of Pharmacy-Biochemical Research, Faculty of Pharmacy and Biochemistry, Major University of San Andrés, La Paz, Bolivia.
  • University Coordinator:  Master in Natural Products Chemistry, Chemical Sciences Career, Faculty of Pure and Natural Sciences, Major University of San Andres, La Paz, Bolivia.
  • University Professor: Faculty of Engineering, University Our Lady of La Paz, La Paz, Bolivia.
  • Research Internship: Department de Chemistry, University of Reims, Reims, France. Chemistry Department, Carnegie Mellon Institute, Pittsburgh, PA, USA.
  • Teaching and Research Assistant: Chemistry Department, University of Illinois, Illinois, USA.