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Published Manuscripts

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  • Substantial maturity influence on carbon and hydrogen isotopic composition of n-alkanes in sedimentary rocks (2021) Organic Geochemistry
           Vinnichenko, G., Jarrett, A. M.,      Van Maldegem, L. M., and Brocks, J. J.,

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  • Geological alteration of Precambrian steroids mimics early animal signatures (2020) Nature Ecology and Evolution   
    ​​​​​   Van Maldegem, L. M., Nettersheim, B.J., Leider, A., Brocks, J. J., Adam, P., Schaeffer, P., and Hallmann, C.

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  • Bisnorgammacerane traces predatory pressure and the persistent rise of algal ecosystems after Snowball Earth (2019) Nature Communications, 10-1
       Van Maldegem, L. M., Sansjofre, P., Weijers, J. W. H., Wolkenstein K., Strother, P. K., Wormer, L., Hefter, J.,
       Nettersheim, B. J., Hoshino, Y., Schouten, S., Sinnighe Damsté, J. S., Nath, N., Griesinger, C., Kuznetsov, N.B.,
       Elie, M., Elvert, M., Tegelaar, E., Gleixner, G., and Hallmann, C.

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  • Cryogenian evolution of stigmasteroid biosynthesis (2017) Science Advances 3, no. 9
       Hoshino, Y., Poshibaeva, A.,  Meredith, W., Snape, C., Versteegh G. J. M., Kuznetsov, N., Leider, A.,   
           Van Maldegem, L.M., Neumann, M., Naeher, S., Moczydłowska, M., Brocks, J.J., Jarrett, A.J.M., Tang, Q., Xiao,     
        S., McKirdy, D., Das, S. K., Alvaro, J. J., Sansjofre, P. and Hallmann, C

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Submitted Manuscripts

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  • Redox and community control on Precambrian carbon isotope systematics (Submitted) ​​
       Van Maldegem, L. M., et al.

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Theses

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  • Molecular and isotopic signatures of life surrounding the Neoproterozoic Snowball Earth Events
       PhD Thesis, University of Bremen ​​/ Max Planck Institute for Biogeochemistry   
        Van Maldegem, L.M.

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  • Adsorption of Ni(II) to ferrihydrite and ferrihydrite-bacteria composites:Controls of nickel
    behaviour in natural environments     
       MSc Thesis, University of Leeds
           Van Maldegem, L.M.

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  • Cloning and recombinant protein expression of the human Prmt5 gene
       BSc Thesis, Kyungpook National University / Avans University
       Van Maldegem, L.M.

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Conference Proceedings

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29th International Meeting In Organic Geochemistry, 2019, Gothenburg, Sweden

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  • Tracing the diagenetic origin of Neoproterozoic 26-alkylsteranes
      Van Maldegem, L.M., Nettersheim, B.J., Leider, A., Brocks, J.J., Hallmann, C.

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  • Lipid biomarkers reveal a bacterial dominated ecosystem after the Sturtian glaciation
      Van Maldegem, L.M., Kipp, M., Hope, J.M, Brocks, J.J.

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  • A critical reassessment of redox sensitive biomarkers
       Kinsley, J., Poulton, S., Kipp, M., Van Maldegem, L.M., Brocks, J.J.

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  • The occurrence of extended tricyclic terpanes in the Proterozoic and Paleozoic
       Liyanage, T.M., Van Maldegem, L.M., Boreham, C., Hope, J.M., Brocks, J.J

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  • Pyrolytic formation of alkylsteranes — Assigning geological orphans to their biological parents
       Nettersheim, B.J., Van Maldegem, L.M., Leider, A., Tarozo, R. and C. Hallmann, C.

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Goldschmidt 2019, Barcelona, Spain

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  • Life after the Sturtian
       Van Maldegem, L.M., Kipp, M., Krause, A., Poulton, S., Tosca, N., Clayton, K., Rooney, A.,
       Hope, J.M., Brocks, J.J.

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  • The occurrence of extended tricyclic terpanes in the Proterozoic and Paleozoic
       Liyanage, T.M., Van Maldegem, L.M., Boreham, C., Hope, J.M., Brocks, J.J

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  • Testing the value and limitations of redox-sensitive biomarker proxies
       Kinsley, J., Poulton, S., Kipp, M., Van Maldegem, L.M., Brocks, J.J.

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  • Steranes constrain the ecological role of Ediacaran animals and protists
       Nettersheim, B.J., Brocks, J.J., Bobrovskiy, I., Van Maldegem, L.M., Hallmann, C.

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Goldschmidt 2018, Boston, USA

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  • Intense heterotrophy boosted the deposition of post-Snowball Earth cap dolostone
           Van Maldegem, L. M., Sansjofre, P., Weijers, J. W. H., Wolkenstein K., Wormer, L.,
       Strother, P.K., Hallmann, C.

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28th International Meeting In Organic Geochemistry, 2017, Florence, Italy

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  • Proterozoic carbon isotope systematics are influenced by redox and community composition
       Van Maldegem, L. M., Sansjofre, P., Strother, P.K., Kelly, A.E., Hallmann, C.

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  • Systematic calibration of diamondoid indices as maturity indicators in Proterozoic rocks
       Leider, A., Van Maldegem, L. M., Nettersheim, B., Neumann, M., Meixnerova , J., Hoshino, Y.,
       Naeher, S., poshibaeva, A., Luo, G., and C. Hallmann, C.
     

  • Structural elucidation of a novel triterpane from the Neoproterozoic era using Microcryoprobe NMR   
       Wolkenstein, K., Nath, N., Van Maldegem, L. M., Hallmann, C., Griesinger, C.

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  • Phototrophy and carbon isotope systematics in the Paleoproterozoic Barney Creek Formation
       Suleimenova, A., Nettersheim, B.J., Naeher, S., Van Maldegem, L. M., Brocks, J. J.,  
      Schefuss, E., Hallmann, C.

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Goldschmidt 2017, Paris, France

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  • Recent advances in the search for new hydrocarbon biomarkers
       Hallmann, C., Van Maldegem, L.M., Wolkenstein, K., Sansjofre, P., and Griesinger, C.

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American Geophysical Union Fall Meeting 2015, San Francisco, USA

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  • Paleoenvironmental reconstruction of ~40ka stromatolites from the ancient Lake Lahontan,
    Nevada, USA
       Van Maldegem, L. M., Chou, L., Buongiorno, J.,  Zinke, L. A., Petryshyn, V. A., Shapiro, R. S.,
       Piazza, O., Loyd,    S. J., Tripati, A., Spear, J. R., Corsetti, F. A.

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Geological Society of America Meeting 2015, Seattle, USA

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  • Coupled stratigraphy, petrography,  and Δ47 of ancient Walker Lake, Nevada reveals unique
    analog for studying Proterozoic stromatolite formation and climatic forcings
       Chou, L, Van Maldegem, L. M., Buongiorno, J., Zinke, L. A., Petryshyn, V. A., Shapiro, R. S.,
       Loyd, S., Piazza, O., Spear, J. R., Corsetti, F. A.

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  • Coupled geochemical and microbiological characterization of non-carbonate firmgrounds
    from a modern soda lake, Walker Lake Nevada
       Zinke, L. A., Buongiorno, J., Chou, L., Van Maldegem, L. M., Petryshyn, V. A., Shapiro, R. S.,
       Stamps, B. W., Stevenson B. S., Spear, J. R., Corsetti, F. A.

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27th International Meeting In Organic Geochemistry, 2015, Prague, Czech Republic

 

  • Role of microbial mats in the pre-Sturtian carbon cycle
       Van Maldegem, L. M., Sansjofre, P., Strother, P., Hallmann, C.

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Astrobiology Science Conference 2015, Chicago, USA

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  • Controls on the Pre-Sturtian Carbon Cycle
       Van Maldegem, L. M., Sansjofre, P., Strother, P., Hallmann, C.

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Goldschmidt 2014, Sacremento, USA 

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  • Coupled Cycling of Iron and Bioessential Trace-Metals
       Peacock C.L., Moon, E.M., Van Maldegem L.M.

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