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George William Francis

Professor
  • E-mailGeorge.Francis@uib.no
  • Phone+47 55 58 34 65
  • Visitor Address
    Realfagbygget, Allégt. 41
    Room 
    3040
  • Postal Address
    Postboks 7803
    5020 BERGEN

Natural product chemistry. Analysis and identification of organic compounds from plants and microorganisms. Compound types studied: alkaloids, anthraquinones, carotenoids, terpenoids in general.

Mass spectrometry: DART in analysis.

Kjem 233 Mass Spectrometry

Kjem 238 Pharmacognosy

Academic article
  • Juvik, Ole-Johan; Holmelid, Bjarte; Francis, George William; Andersen, Heidi Lie; De Oliveira, Ana Paula; De Oliveira, Raimundo Gon alves; Da Silva Almeida, Jackson Roberto Guedes; Fossen, Torgils. 2017. Non-Polar Natural Products from Bromelia laciniosa, Neoglaziovia variegata and Encholirium spectabile (Bromeliaceae). Molecules.
  • Francis, George William; Bui, Yen Thuy Hoang. 2015. Changes in the composition of aromatherapeutic citrus oils during evaporation. Evidence-based Complementary and Alternative Medicine (eCAM). 6 pages.
  • Christy, Alfred Antony; Barth, Tanja; Francis, George William. 2014. Preliminary photochemical studies of fluorene in various aqueous media. American Journal of Scientific and Industrial Research. 97-103.
  • Francis, George William; Stusdal, Turid Kleiveland. 2014. Differential evaporation of aromatherapy mint oils. Air quality, atmosphere and health. 481-487.
  • Amer, Bashar; Juvik, Ole-Johan; Francis, George William; Fossen, Torgils. 2013. Novel GHB-derived natural products from European mistletoe (Viscum album). Pharmaceutical Biology. 981-986.
  • Nkansah, Marian Asantewah; Christy, Alfred Antony; Barth, Tanja; Francis, George William. 2012. The use of lightweight expanded clay aggregate (LECA) as sorbent for PAHs removal from water. Journal of Hazardous Materials. 360-365.
  • Francis, George William; Christy, Alfred Antony; Øygarden, Jostein. 2012. Pyrolytic formation of pyrolytic aromatic hydrocarbons from sesquiterpenes. Food Chemistry. 1316-1322.
  • Bashar, Amer; Juvik, Ole-Johan; Dupont, Fréderic; Francis, George William; Fossen, Torgils. 2012. Novel aminoalkaloids from European mistletoe (Viscum album L.). Phytochemistry Letters. 677-681.
  • Christy, Alfred Antony; Svendsen, Monica Lian; Francis, George William. 2011. Pyrolytic formation of polyaromatic hydrocarbons from steroid hormones. Food Chemistry. 1466-1472.
  • Larsen, Tine Lise; Nilsen, Valentina; Andersen, Dag Olav; Francis, George W; Rustad, Pål; Mansoor, Mohammad Azam. 2008. Comparison of high-pressure liquid chromatography (HPLC) and Griess reagent-spectroscopic methods for the measurement of nitrate in serum from healthy individuals in the Nordic countries. Clinical Biochemistry. 1474-1481.
  • Abdelrahman, Howaida F; Skaug, Nils; Whyatt, Ann Margot; Francis, George W. 2004. Volatile compounds in crude Salvadora persica extracts. Pharmaceutical Biology. 399-404.
  • Dimba, E.A.; Gjertsen, Bjørn Tore; Bredholt, Therese; Fossan, K.O.; Costea, Daniela-Elena; Francis, George W; Johannessen, Anne Chr.; Vintermyr, Olav Karsten. 2004. Khat (Catha edulis)-induced apoptosis is inhibited by antagonists of caspase-1 and -8 in human leukaemia cells. British Journal of Cancer. 1726-1726.
  • AbDelRahman, Faisal, Howaida; Skaug, Nils; Whyatt, ann Margot; Francis, George W. 2003. Volatile compounds in crude Salvadora Persica extracts. Pharmaceutical Biology. 399-404.
  • Abdelrahman, H.F.; Skaug, Nils; Francis, George W. 2002. In vitro microbial effects of crude miswak extracts on oral pathogens. Saudi Dental Journal. 26-32.
  • AbDelRahman, Faisal, Howaida; Skaug, Nils; Francis, George W. 2002. In vitro Antimicrobial Effects of Crude Miswak Extracts on Oral Pathogens. Saudi Dental Journal. 26-32.
  • Lajunen, Marja K.; Francis, George W. 2001. Vihrean kemian opetus tahtaimessa(Green Chemistry Teaching in View). Kemia-Kemi. 748-750.
  • Vassis, Stratos; Kariagiannis, George; Balayiannis, George; Militsopoulou, Maria; Mamos, Petros; Francis, George W; Papaioannou, Dionissios. 2001. Simple syntheses of N-alkylated spermidine fragments and analogues of the spermine alkaloid kukoamine A. Tetrahedron Letters. 1579-1582.
  • Karagiannis, G.; Athanassopoulos, C.; Mamos, P.; Karamanos, N.; Papaioannou, Dionissios; Francis, George W. 1998. Preparation and Properties of Enantiomerically Pure N-tritylamino acid fluorides. Acta Chemica Scandinavica. 1144-1150.
  • Mamos, P.; Dalatsis, E.; Athanassopoulos, C.; Balayiannis, G.; Papaioannou, Dionissios; Francis, George W. 1998. Aminolysis of N-Tritylamino Acis Benzyltriaz Esters with Concentrated Aqueous amines and applications in synthesis. Acta Chemica Scandinavica. 227-231.
  • Francis, George W; Aksnes, Dagfinn; Holt, Øystein. 1998. 1H and 13C NMR Studies of Anthraquinone glycosides from Rhamnus frangula. Magnetic Resonance in Chemistry. 769-772.
  • Nastapoulos, V.; Athanassopoulos, C.; Papaioannou, Dionissios; Francis, George W; Kavounis, C. 1998. (S),(E)-5-Methoxycarbonyl-3-triphenylmethylaminohex-4-en-olide. Acta Crystallographica Section C: Crystal Structure Communications. 267-269.
  • Nastopoulos, Vassilios; Athanassopoulos, Constantinos; Papaioannou, Dionissios; Francis, George W; Kavounis, Constantin. 1998. (S),(E)-5-Methoxycarbonyl-3-triphenylmethylaminohex- 4-en-4-olide. Acta Crystallographica Section C: Crystal Structure Communications. 267-269.
  • Aksnes, Dagfinn; Athanassopoulos, V. M.; Aaberg, Atle; Francis, George W; Papaioannou, Dionissios. 1996. NMR studies of TRH and Analogues Incorporating D-Hisidine and 4-Hydroxyl-L-Proline. Acta Chemica Scandinavica. 411-416.
  • Danielsen, Knut; Francis, George W; Aksnes, Dagfinn. 1996. %1H and %13C NMR studies of some athraquinones and anthracenetetrones. Magnetic Resonance in Chemistry. 1043-1047.
  • Siwas, E.; Voukelatou, G.; Kouvelas, E. D.; Francis, George W; Aksnes, Dagfinn; Papaioannou, Dionissios. 1994. Synthesis of a new kainic acid based selective ligand as a potential photoaffinity label of non-NMDA excitatory amino acid receptors in chicken brain. Acta Chemica Scandinavica. 76-79.
  • Magafa, V.; Karamanos, N.; Stavropoulos, G.; Napoli, A.; Sindona, G.; Aksnes, Dagfinn; Francis, George W. 1994. Redox N-Alkylation of tosyl protected amino acid and peptide esters. Dionissios papaioannou, constantinos athanassopoulos. Acta Chemica Scandinavica. 324-333.
  • Papaioannou, Dionissios; Athanassopoulos, C.; Magafa, V.; Karamanos, N.; Stavropoulos, G.; Napoli, A.; Sindona, G.; Aksnes, Dagfinn; Francis, George W. 1994. Redox N-Alkylation of Tosyl Protected Amino Acid and Peptide Esters. Acta Chemica Scandinavica. 324-333.
  • Slimestad, R.; Andersen, Ø. M.; Francis, George W. 1994. Ampelopsin 7-glucoside and other dihydroflavonol 7-glucosides form needles of picea abies. Phytochemistry. 550-552.
  • Slimestad, R.; Andersen, Ø. M.; Francis, George W. 1994. Ampelopsin 7-0-_b-glucoside and other dihydroflavonol 7-glucosides from needles of Norway spruce, picea abies. Phytochemistry. 550.
  • Slimestad, Rune; Nerdal, Willy; Francis, George W; Andersen, Øyvind Moksheim. 1993. Myricetin 3,4'-Diglucoside and Kampherol Derivatives from Needles of Norway Spruce, Picea Abies. Phytochemistry. 179-181.
  • Aksnes, Dagfinn; Francis, George W. 1993. Assignments of the %1H and %13C NMR Spectra of trans-4-hydroxy-N-9-fluorenylmethoxycarbonyl-L-proline Using One- and Two-Dimensional NMR Spectroscopy. Magnetic Resonance in Chemistry. 876-877.
  • Francis, George W; Husebye, B.; Andersen, Ø. M. 1993. An Improved HPLC System for the Analysis of Photosynthetic Pigments. Chromatographia. 189.
  • Danielsen, Knut; Aksnes, Dagfinn; Francis, George W. 1992. NMR-study of some anthraquinones in rhubarb. Magnetic Resonance in Chemistry. 359-360.
  • Slimestad, Rune; Nerdal, Willy; Francis, George W; Andersen, Øyvind Moksheim. 1992. Myricetin 3,4'-diglucoside and Kaempferol Derivatives from Needles of Norwegian Spruce, Picea Abies. Phytochemistry.
  • Francis, George W; Andersen, Øyvind Moksheim; Husebye, Berit. 1992. An improved HPLC System for the Analysis of Photosynthetic Pigments. Chromatographia.
  • Stavropoulos, George; Karagiannis, Kostas; Vynios, Dimitrios; Papaioannou, Dionissios; Aksnes, Dagfinn; Frøystein, Nils Åge; Francis, George W. 1991. Solid-Phase Synthesis and Spectroscopic Studies of TRH Analogues Incorporating Cis- and trans-4-Hydroxy-L-Proline. Acta Chemica Scandinavica. 1047-1054.
Popular scientific lecture
  • Francis, George W. 2000. Tematisk nettverk i kjemi.
  • Francis, George W. 2000. Nomenklatur i organisk kjemi.
  • Francis, George W. 2000. Internasjonalisering - I vesten eller i verden.
  • Francis, George W; Brinchmann, Inger Marie. 2000. Faglige arbeid over landegrensen.
  • Francis, George W. 1997. @<Tittel ikke oppgitt@>.
  • Francis, George W. 1997. @<Tittel ikke oppgitt@>.
Academic lecture
  • Bredholt, Therese; Dimba, Elisabeth Anne Okumu; Fossan, K.O.; Francis, George W; Johannessen, Anne Chr.; Vintermyr, Olav Karsten; Gjertsen, Bjørn Tore. 2005. Molecular mechanisms of apoptosis induced by khat extract and its alkaloids cathinone and cathine in acute myeloid leukemia.
  • Dimba, Elisabeth Anne Okumu; Bredholt, Therese; Costea, Daniela-Elena; Francis, George W; Johannessen, Anne Chr.; Vintermyr, Olav Karsten; Gjertsen, Bjørn Tore. 2005. Mechanisms of apoptosis induction by khat alkaloids in leukaemia cells.
  • Lajunen, Marja K.; Francis, George W. 2001. Preliminary Report of ECTN Working Group on Green and Sustainable Chemistry in European Universities.
  • Francis, George W. 2000. The Principles of ECTS.
  • Francis, George W. 2000. Erfaringer med ECTS.
  • Francis, George W; Bradley, Tony. 2000. An Introduction to ECTS.
  • Francis, George W. 1999. Videreføring av ECTS.
  • Francis, George W. 1999. Introduksjon til ECTS.
  • Francis, George W. 1999. ECTS. Hva er det?
  • Francis, George W. 1999. ECTS systemet, erfaring og praksis.
  • Francis, George W. 1999. Chromatographic Fractionation of Petroleum.
  • Francis, George W. 1998. Introduction til det europeiske kredit-overførings systemet (ECTS).
  • Francis, George W. 1998. ECTS of erfaringer med systemet i Norge.
  • Francis, George W. 1997. European Credit Transfer Systems (ECTS).
  • Francis, George W. 1997. Core chemistry (organic and physical chemistry) in Norway.
Reader opinion piece
  • Larsen, Tine Lise; Nilsen, Valentina; Andersen, Dag Olav; Mansoor, Mohammad Azam; Francis, George W; Rustad, P. 2009. Reply to: On the importance of the use of proper approaches for comparison of analytical methods for serum nitrate and evaluation of reference concentrations. By Dr. Dimitrios Tsikas and Dr. Jens M Hohlfeld. Clinical Biochemistry. 1197-1199.
Thesis at a second degree level
  • Øygarden, Jostein. 2005. Analyse av prdukter fra fire seskviterpener ved hjelp av GC-MC.
Masters thesis
  • Sentoorvasan, Singaravel. 2011. Analyse av psykofarmaka-Metodeutvikling for kromatografisk analyse av utvalgte antidepressiva og antipsykotika i serum.
Academic chapter/article/Conference paper
  • Francis, George W. 2006. The Use of PLC for Separation of Natural Pigments. 22 pages.
  • Andersen, Øyvind M; Francis, George W. 2004. Techniques of pigment identification. 49 pages.
Encyclopedia article
  • Francis, George W; Andersen, Øyvind M. 2003. Natural pigments. 697-732. In:
    • Sherma, Joseph; Fried, Bernard. 2003. Handbook of Thin-Layer Chromatography. 89.
  • Francis, George W; Wilson, I.D.; Adlard, T.R.; Poole, C.F.; Cook, M. 2000. Pigments: Thin-Layer(Okabar) Chromatography Encyclopedia of Separation Science. 3839-3850. In:
    • [Mangler etternavn], [Mangler fornavn]. 2000. Encyclopedia of Separation Science.
Abstract
  • Bredholt, Therese; Dimba, Elisabeth Anne Okumu; Johannessen, Anne Chr.; Costea, Daniela-Elena; Francis, George W; Vintermyr, Olav Karsten; Gjertsen, Bjørn Tore. 2005. The role of Bcl-2 in apoptosis induced by khat (Catha edulis) in acute myeloid leukemia cell lines. Blood. 195b-195b.
Poster
  • Juvik, Ole-Johan; Holmelid, Bjarte; Francis, George William; Andersen, Heidi Lie; De Oliveira, Ana Paula; de Oliveira Junior, Raimundo G.; Almeida, Jackson R. G. S.; Fossen, Torgils. 2017. Non-polar natural products from the drought resistant Brazilian medicinal plants Bromelia laciniosa, Neoglaziovia variegata and Encholirium spectabile (Bromeliaceae).
  • Lian, Monica; Francis, George W; Christy, Alfred A. 2001. Analysis of Pyrolysis Products of Sex Hormones by GC-MS.

More information in national current research information system (CRIStin)

BSc (Glasgow), MSc (Glasgow), Dr.ing. (Trondheim), Fil.dr. (Stockholm.

Investigation of mistletoe

Aromatherapy