| Biosynthetic effects on the stable carbon isotopic compositions of algal lipids: Implications for deciphering the carbon isotopic biomarker record S Schouten, WCMK Breteler, P Blokker, N Schogt, WIC Rijpstra, K Grice, ... Geochimica et Cosmochimica Acta 62 (8), 1397-1406, 1998 | 333 | 1998 |
| Massive expansion of marine archaea during a mid-Cretaceous oceanic anoxic event MMM Kuypers, P Blokker, J Erbacher, H Kinkel, RD Pancost, S Schouten, ... Science 293 (5527), 92-95, 2001 | 325 | 2001 |
| Chemical structure of algaenans from the fresh water algae Tetraedron minimum, Scenedesmus communis and Pediastrum boryanum P Blokker, S Schouten, H van den Ende, JW de Leeuw, PG Hatcher, ... Organic Geochemistry 29 (5-7), 1453-1468, 1998 | 202 | 1998 |
| UV-B absorbance and UV-B absorbing compounds (para-coumaric acid) in pollen and sporopollenin: the perspective to track historic UV-B levels J Rozema, RA Broekman, P Blokker, BB Meijkamp, N de Bakker, ... Journal of Photochemistry and Photobiology B: Biology 62 (1-2), 108-117, 2001 | 166 | 2001 |
| Resistant macromolecules of extant and fossil microalgae GJM Versteegh, P Blokker Phycological Research 52 (4), 325-339, 2004 | 151 | 2004 |
| Depletion of stratospheric ozone over the Antarctic and Arctic: responses of plants of polar terrestrial ecosystems to enhanced UV-B, an overview J Rozema, P Boelen, P Blokker Environmental Pollution 137 (3), 428-442, 2005 | 128 | 2005 |
| Archaeal remains dominate marine organic matter from the early Albian oceanic anoxic event 1b MMM Kuypers, P Blokker, EC Hopmans, H Kinkel, RD Pancost, ... Palaeogeography, Palaeoclimatology, Palaeoecology 185 (1-2), 211-234, 2002 | 119 | 2002 |
| The chemical structure of Gloeocapsomorpha prisca microfossils: implications for their origin P Blokker, P van Bergen, R Pancost, ME Collinson, JW de Leeuw, ... Geochimica et Cosmochimica Acta 65 (6), 885-900, 2001 | 95 | 2001 |
| An example of oxidative polymerization of unsaturated fatty acids as a preservation pathway for dinoflagellate organic matter GJM Versteegh, P Blokker, GD Wood, ME Collinson, JSS Damsté, ... Organic Geochemistry 35 (10), 1129-1139, 2004 | 78 | 2004 |
| Structural biomacromolecules in plants: what can be learnt from the fossil record? PF van Bergen, P Blokker, ME Collinson, JSS Damsté, JW de Leeuw The evolution of plant physiology, 133-154, 2004 | 77 | 2004 |
| Anaerobic biodegradation of lipids of the marine microalga Nannochloropsis salina V Grossi, P Blokker, JSS Damsté Organic Geochemistry 32 (6), 795-808, 2001 | 74 | 2001 |
| A comparative study of fossil and extant algaenans using ruthenium tetroxide degradation P Blokker, S Schouten, JW de Leeuw, JSS Damsté, H van den Ende Geochimica et Cosmochimica Acta 64 (12), 2055-2065, 2000 | 71 | 2000 |
| Molecular structure of the resistant biopolymer in zygospore cell walls of Chlamydomonas monoica P Blokker, S Schouten, JW de Leeuw, JS Sinninghe Damsté, ... Planta 207, 539-543, 1999 | 70 | 1999 |
| Annual growth of Cassiope tetragona as a proxy for Arctic climate: developing correlative and experimental transfer functions to reconstruct past summer … J Rozema, S Weijers, ROB Broekman, P Blokker, B Buizer, C Werleman, ... Global Change Biology 15 (7), 1703-1715, 2009 | 69 | 2009 |
| The occurrence of p-coumaric acid and ferulic acid in fossil plant materials and their use as UV-proxy P Blokker, P Boelen, R Broekman, J Rozema Plants and Climate Change, 197-208, 2006 | 66 | 2006 |
| UV-B absorbing compounds in present-day and fossil pollen, spores, cuticles, seed coats and wood: evaluation of a proxy for solar UV radiation J Rozema, P Blokker, MA Mayoral Fuertes, R Broekman Photochemical & Photobiological Sciences 8 (9), 1233-1243, 2009 | 63 | 2009 |
| Infra red spectroscopy, flash pyrolysis, thermally assisted hydrolysis and methylation (THM) in the presence of tetramethylammonium hydroxide (TMAH) of cultured and sediment … GJM Versteegh, P Blokker, KA Bogus, IC Harding, J Lewis, S Oltmanns, ... Organic Geochemistry 43, 92-102, 2012 | 59 | 2012 |
| Development of a proxy for past surface UV-B irradiation: a thermally assisted hydrolysis and methylation py-GC/MS method for the analysis of pollen and spores P Blokker, D Yeloff, P Boelen, RA Broekman, J Rozema Analytical Chemistry 77 (18), 6026-6031, 2005 | 54 | 2005 |
| Cell wall-specific ω-hydroxy fatty acids in some freshwater green microalgae P Blokker, S Schouten, H van den Ende, JW De Leeuw, JSS Damsté Phytochemistry 49 (3), 691-695, 1998 | 52 | 1998 |
| At-line gas chromatographic–mass spectrometric analysis of fatty acid profiles of green microalgae using a direct thermal desorption interface P Blokker, R Pel, L Akoto, A Udo, RJJ Vreuls Journal of Chromatography A 959 (1-2), 191-201, 2002 | 49 | 2002 |
