Schouten, S., Eldrett, J., Greenwood, D.R., Harding, I., Baas, M., Sinninghe Damste, J.S.
The Eocene-Oligocene (E-O) boundary interval is considered to be one of the major transitions in Earth's climate, witnessing the first major expansion of the East Antarctic Ice Sheet. However, the...
'Arranged Love': Marriage in a transnational work environment (2007)
In India, 'love' and 'arranged' marriages appear to be at opposite ends of the spectrum, but Michiel Baas argues that this 'opposition' is being challenged by IT professionals in the South India city...
Herfort, L., Schouten, S., Boon, J.P., Woltering, M., Baas, M., Weijers, J., ...
We have applied a recently introduced proxy, the BIT (branched and isoprenoid tetraether) index, to determine terrestrial organic matter (TOM) transport from the rivers Rhine and Meuse and their...
Breugel, Y. Van, Baas, M., Schouten, S., Mattioli, E., Sinninghe Damsté, J.S.
The prominent negative stable carbon isotope excursion in both carbonate and organic carbon recorded in organic-rich sediments deposited during the Toarcian oceanic anoxic event (OAE) has commonly...
Cash cows. Milking Indian students in Australia (2006)
On 14 March 2006 Australian newspaper The Age reported on a group of international students at Central Queensland University's Melbourne campus planning a hunger strike to protest being treated like...
Sinninghe Damsté, J.S., Smittenberg, R.H., Baas, M., Green, M.J., Hopmans, E.C., Schouten, S.
The biogeochemical sedimentary record of the anoxic Drammensfjord, Norway, was investigated on a decadal to centennial time scale over the last millennium, in order to reconstruct the pre-industrial...
Structural identification of sedimentary C21 and C22 highly branched isoprenoid alkanes (2005)
Sinninghe Damsté, J.S., Baas, M., Geenevasen, J.A.J., Kenig, F.
C21 and C22 highly branched isoprenoid (HBI) alkanes occurring in high relative abundance in lagoonal sediments of Abu Dhabi have been unambiguously identified as...
Smittenberg, R.H., Baas, M., Green, M.J., Hopmans, E.C., Schouten, S., Sinninghe Damsté, J.S.
The biogeochemical sedimentary record of the anoxic Drammensfjord, Norway, was investigated on a decadal to centennial time scale over the last millennium, in order to reconstruct the pre-industrial...
Stadnitskaia, A., Muyzer, G., Abbas, B., Coolen, M.J.L., Hopmans, E.C., Baas, M., ...
Many mud volcanoes were recently discovered in the euxinic bottom waters of the Sorokin Trough (NE Black Sea). Three of them, i.e., NIOZ, Odessa, and Kazakov, were selected for a detailed...
Tsikos, H, Jenkyns, H C, Walsworth-Bell, B, Petrizzo, M R, Forster, A, Kolonic, S, ...
We present new, detailed carbon-isotope records for bulk carbonate, total organic carbon (TOC) and phytane from three key sections spanning the Cenomanian–Turonian boundary interval (Eastbourne,...
Sinninghe Damsté, J.S., Tsikos, H., Jenkyns, H.C., Walsworth-Bell, B., Petrizzo, M.R., Forster, A., ...
We present new, detailed carbon-isotope records for bulk carbonate, total organic carbon (TOC) and phytane from three key sections spanning the Cenomanian-Turonian boundary interval (Eastbourne,...
Sinninghe Damsté, J.S., Schouten, S., Strous, M., Kuypers, M.M.M., Rijpstra, W.I.C., Baas, M., ...
Isotopic analyses of Candidatus 'Brocadia anammoxidans,' a chemolithoautotrophic bacterium that anaerobically oxidizes ammonium (anammox), show that it strongly fractionates against 13C; i.e., lipids...
An experimental study of the low-temperature sulfurization of carbohydrates (2003)
Dongen, B.E. Van, Schouten, S., Baas, M., Geenevasen, J.A.J., Sinnighe Damste, J.S.
Pancost, R.D., Baas, M., Geel, B. Van, Sinninghe Damste, J.S.
We examined the variations in vegetation, organic carbon isotopic compositions and biomarker distributions spanning a well-constrained climatic shift in a Sub-Boreal Dutch raised bog. The...
An experimental study of the low-temperature sulfurization of carbohydrates (2003)
Sinninghe Damsté, J.S., Dongen, B.E. Van, Schouten, S., Baas, M., Geenevasen, J.A.J.
Sulfurization of carbohydrates has been suggested as an important mechanism for the preservation of organic matter. To study this process, different monosaccharides were sulfurized under laboratory...
Pancost, R.D., Baas, M., Geel, B. Van, Sinninghe Damste, J.S.
Lipid distributions in modern peat-forming plants were determined and compared to biomarkers recovered from a ca.2800 year old peat deposited in a Dutch ombrotrophic bog. The peat section spans a...
Sinninghe Damsté, J.S., Pancost, R.D., Baas, M., Geel, B. Van
Lipid distributions in modern peat-forming plants were determined and compared to biomarkers recovered from a ca. 2800 year old peat deposited in a Dutch ombrotrophic bog. The peat section spans a...
Sinninghe Damsté, J.S., Ferreira, A.M., Caetano, M., Baas, M., Vale, C.
A high resolution (13 cm sediment intervals) organic geochemical study was carried out on the upper 5060 cm of three box-cores (including the S1 sapropel) from eastern Mediterranean Sea...
A comparative study of lipids in Sphagnum species (2000)
Baas, M., Pancost, R., Geel, B. Van, Sinninghe Damste, J.S.
The free lipid compositions of twelve species of Sphagnum were determined by capillary gas chromatography/mass spectrometry as part of a study to identify characteristic lipids for Sphagnum in peat...
A comparative study of lipids in Sphagnum species (2000)
Sinninghe Damsté, J.S., Baas, M., Pancost, R.D., Geel, B. Van
The free lipid compositions of twelve species of Sphagnum were determined by capillary gas chromatography/mass spectrometry as part of a study to identify characteristic lipids for Sphagnum in peat...
An Approach To Low-Power, High-Performance, Fast Fourier Transform Processor Design (1999)
The Fast Fourier Transform (FFT) is one of the most widely used digital signal processing algorithms. While advances in semiconductor processing technology have enabled the performance and...
An Approach To Low-Power, High-Performance, Fast Fourier Transform Processor Design (1999)
M. Baas, Oyekunle A. Olukotun, Teresa H. Meng
The Fast Fourier Transform (FFT) is one of the most widely used digital signal processing algorithms. While advances in semiconductor processing technology have enabled the performance and...
A sedimentary tetrahydrophenanthrene derivative of tetrahymanol (1999)
Damste, J.S.S., Koster, J., Baas, M., Ossebaar, J., Dekker, M., Pool, W., ...
A sedimentary tetrahydrophenanthrene derivative of tetrahymano (1999)
Sinninghe Damsté, J.S., Koster, J., Baas, M., Ossebaar, J., Dekker, M., Pool, W., ...
A novel tetrahydrophenanthrene derivative 1 (1,1,7,8-tetramethyl-1,2,3,4-tetrahydrophenanthrene), formed from the triterpenoid tetrahymanol 2a by dehydration, ring A and B degradation and...
Sinninghe Damsté, J.S., Schouten, S., Blokker, P., Schogt, N., Rijpstra, W.I.C., ...
Thirteen species of algae covering an extensive range of classes were cultured and stable carbon isotopic compositions of their lipids were analysed in order to assess carbon isotopic fractionation...
Long-chain 3-isopropyl alkanes : a new class of sedimentary acyclic hydrocarbons (1998)
Sinninghe Damsté, J.S., Schouten, S., Baas, M.
Novel C27 and C29 3-isopropyl alkanes have been unambiguously identified in sediments from the Kimmeridge Clay Formation through synthesis of a C29 standard. The covarying concentrations and similar...
Steroid carbon skeletons with unusually branched C-3 alkyl side chains (1998)
Sinninghe Damsté, J.S., Schouten, S., Sephton, S., Baas, M.
A novel series of thiophenes with C-3 alkylated steroid carbon skeletons has been identified in sediments of the Miocene Monterey Formation (California, USA) and in the Turonian Tarfaya basin...
Sinninghe Damsté, J.S., Schouten, S., Moerkerken, P., Gelin, F., Baas, M., Leeuw, J.W. De
Aliphatic, non-hydrolyzable biopolymers were subjected to RuO4-oxidation in order to examine the potential of this method in revealing details on their structures. The method was tested on model...
Cyclisation, aromatisation and expulsion reactions of b-carotene during sediment diagenesis (1997)
Sinninghe Damsté, J.S., Baas, M., Koopmans, M.P., Geenevasen, J.A.J.
A novel diaryl isoprenoid 1 with an additional aromatic ring (C30H38), formed from the carotenoid -carotene by cyclisation, aromatisation and expulsion reactions during sediment diagenesis, has been...
Cyclisation and aromatisation of carotenoids during sediment diagenesis (1995)
Sinninghe Damsté, J.S., Koster, J., Baas, M., Koopmans, M., Geenevasen, J.A.J., ...
Sinninghe Damsté, J.S., Schouten, S., Baas, M., Kohnen, M.E.L., Leeuw, J.W. De
Polar fractions of three immature sulphur-rich sediments and four sulphur-rich oils, all of Miocene age, were studied using two selective chemolytic methods, namely methyl lithium/methyl iodide,...
Sinninghe Damsté, J.S., Hartgers, W.A., Baas, M., Leeuw, J.W. De
High-molecular-weight organic matter of six marl samples of the Mulhouse Basin has been characterized. The kerogen, asphaltene and polar fractions were analysed by flash pyrolysis-GC-(MS). In...
Sinninghe Damsté, J.S., Kohnen, M.E.L., Baas, M.
Sulphur-bound steroid and phytane moieties in macromolecules present in the polar fractions of six immature samples (both crude oils and sediment extracts) have been analyzed using S-selective...
Sinninghe Damsté, J.S., Keely, B.J., Betts, S., Baas, M., Maxwell, J.R., Leeuw, J.W. De
The abundances and distribution patterns of mono-, di- and trimethylated 2-methyl-2-(4,8,12-trimethyltridecyl) chromans (MTTCs) and long-chain alkylbenzenes in extracts of marl (66 samples),...
Haven, H.L. Ten, Baas, M., Leeuw, J.W. De, Schenck, P.A., Brinkhuis, H.
Six S1 sapropel samples from the eastern Mediterranean were investigated organic geochemically to study the lateral variation within this organic-rich layer. Five of these samples were also analyzed...