• Algae Along Qatar Coasts Utilization And Future Prospects 

      Kornprobst, Jean-Michel ( Qatar University , 1999 , Article)
      Most of marine algae have no equivalent on earth and therefore could be considered as irreplaceable sources of primary and secondary metabolites. This is especially the case for hydrocolloids from red and brown algae that ...
    • Major sterol composition of some algae from Qatar 

      Al Easa, Hala S.; Kornprobst, Jean-Michel; Rizk, A.M. ( Elsevier Science Ltd. , 1995 , Article)
      Thirteen macroscopic algae belonging to the three main divisions Chlorophyceae, Rhodophyceae and Phaeophyceae from the coast of Qatar (Arabian Gulf) were investigated for their sterol composition by using GC-MS coupling ...
    • (−)-Paniculatol, a new ent-labdane bromoditerpene from Laurencia paniculata 

      Briand, Arnaud; Kornprobst, Jean-Michel; Al-Easa, Hala S.; Rizk, Abdel Fattah M.; Toupet, Loïc ( Elsevier Science Ltd. , 1997 , Article)
      (−)-Paniculatol, 1, an unusual tricyclic bromoditerpene belonging to the ent-labdane series has been identified in the red alga Laurencia paniculata collected on Qatari coasts, Arabian Gulf. The structure displays an unusual ...
    • Phospholipid Fatty Acids Compositions of Sponges from Qatar I- Haplosclerida 

      Njinkoue, Jean-Michel; Barnathan, Gilles; Kornprobst, Jean-Michel; Al-Easa, Hala Sultan Saif; Al-Muftah, Abdulrahman; ... more authors ( Qatar University , 2006 , Article)
      The phospholipid fatty acid contents of six Haplosclerida sponges collected along Qatari ;ts, Arabian Gulf, were identified by coupling GC-MS experiments. More than hundred of rated and unsaturated fatty acids have been ...
    • Sponges in Qatari waters A new source of marine natural products for biological applications 

      Kornprobst, Jean-Michel ( Qatar University , 1999 , Article)
      Sponges are the most primitive multicellular organisms belonging to Animalia kingdom. They lack symetry and do not have differentiated tissues or organs. However, as a consequence of this primitive organization it is very ...
    • Volatile Components of the Phaeophyceae Hormophysa cuneiformis Growing Along Qatar Coasts 

      El Hattab, M.; Al Easa, Hala S.; Tabaries, Annie; Kornprobst, Jean-Michel; Piovetti, Louis; الحطاب, محمد; العيسى, هالة سلطان; تبريس, آني; كورنبروبست, جين ميشيل; بيوفيتي, لويس... more authors ( Qatar University , 2007 , Article)
      The present work deals with the study on volatile compounds from the brown alga Hormophysa cuneiformis collected from the Northwest coast of Qatar on May 2002. Two extraction methods have been used: conventional hydrodistillation ...