List of publications

Peer reviewed

2024

Chauhan, A., Patzner, M., Bhattacharyya, A., Borch, T., Fischer, S., Obst, M., ThomasArrigo, L., Kretzschmar, R., Mansor, M., Bryce, C., Kappler, A., Joshi, P.: Interactions between iron and carbon in permafrost thaw ponds. Science of the Total Environment, 946, 174321 (2024).
doi:10.1016/j.scitotenv.2024.174321

Peiffer, S., Maisch, M., Kappler, A., Schmidt, C., Mansor, M., Obst, M., Frei, S.: Kinetic constraints for the formation of microniches for microaerophilic Fe(II) oxidation. Geochimica et Cosmochimica Acta, 364, 211-223 (2024).
doi:10.1016/j.gca.2023.11.006

Wieland, S., Ramsperger, A., Groß, W., Lehmann, M., Witzmann, T., Caspari, A., Obst, M., Gekle, S., Auernhammer, G., Fery, A., Laforsch, C., Kress, H.: Nominally identical microplastic models differ greatly in their particle-cell interactions. Nature Communications, 15, 922 (2024).
doi:10.1038/s41467-024-45281-4

2023

Rohrbach, S., Gkoutselis, G., Hink, L., Weig, A., Obst, M., Diekmann, A., Ho, A., Rambold, G., Horn, M.: Microplastic polymer properties as deterministic factors driving terrestrial plastisphere microbiome assembly and succession in the field. Environmental Microbiology, 25(12), 2681-2697 (2023).
doi:10.1111/1462-2920.16234

Stimmler, P., Obst, M., Stein, M., Göckede, M., Hockmann, K., Schaller, J.: Silicon and calcium controls on iron and aluminum mobility in Arctic soils. Chemosphere, 335, 139087 (2023).
doi:10.1016/j.chemosphere.2023.139087

2022

Elagami, H., Ahmadi, P., Fleckenstein, J., Frei, S., Obst, M., Agarwal, S., Gilfedder, B.: Measurement of microplastic settling velocities and implications for residence times in thermally stratified lakes. Limnology and Oceanography, 67(4), 934-945 (2022).
doi:10.1002/lno.12046

Pucetaite, M., Hitchcock, A., Obst, M., Persson, P., Hammer, E.: Nanoscale chemical mapping of exometabolites at fungal–mineral interfaces. Geobiology, 20(5), 650-666 (2022).
doi:10.1111/gbi.12504

Schaller, J., Wu, B., Amelung, W., Hu, Z., Stein, M., Lehndorff, E., Obst, M.: Silicon as a potential limiting factor for phosphorus availability in paddy soils. Scientific Reports, 12, 16329 (2022).
doi:10.1038/s41598-022-20805-4

Ingino, P., Tiew, K., Obst, M.: Suitability of lectin binding studies for the characterization of redox-active microbial environmental biofilms. AMB Express, 12, 140 (2022).
doi:10.1186/s13568-022-01479-7

2021

Peiffer, S., Kappler, A., Haderlein, S., Schmidt, C., Byrne, J., Kleindienst, S., Vogt, C., Richnow, H., Obst, M., Angenent, L., Bryce, C., McCammon, C., Planer-Friedrich, B.: A biogeochemical–hydrological framework for the role of redox-active compounds in aquatic systems. Nature Geoscience, 14, 264-272 (2021).
doi:10.1038/s41561-021-00742-z

Marouane, B., Chen, N., Obst, M., Peiffer, S.: Competing Sorption of Se(IV) and Se(VI) on Schwertmannite. Minerals, 11(7), 764 (2021).
doi:10.3390/min11070764

Gkoutselis, G., Rohrbach, S., Harjes, J., Obst, M., Brachmann, A., Horn, M., Rambold, G.: Microplastics accumulate fungal pathogens in terrestrial ecosystems. Scientific Reports, 11, 13214 (2021).
doi:10.1038/s41598-021-92405-7

2020

Yang, Z., Sun, T., Subdiaga, E., Obst, M., Haderlein, S., Maisch, M., Kretschmar, R., Angenent, L., Kappler, A.: Aggregation-dependent electron transfer via redox-active biochar particles stimulate microbial ferrihydrite reduction. Science of the Total Environment, 703, 135515 (2020).
doi:10.1016/j.scitotenv.2019.135515

Tomaszewski, E., Olson, L., Obst, M., Byrne, J., Kappler, A., Muehe, E.: Complexation by cysteine and iron mineral adsorption limit cadmium mobility during metabolic activity of Geobacter sulfurreducens. Environmental Science : Processes & Impacts, 22(9), 1877-1887 (2020).
doi:10.1039/D0EM00244E

Hömberg, A., Obst, M., Knorr, K., Kalbitz, K., Schaller, J.: Increased silicon concentration in fen peat leads to a release of iron and phosphate and changes in the composition of dissolved organic matter. Geoderma, 374, 114422 (2020).
doi:10.1016/j.geoderma.2020.114422

2019

Picard, A., Gartman, A., Cosmidis, J., Obst, M., Vidoudez, C., Clarke, D., Girguis, P.: Authigenic metastable iron sulfide minerals preserve microbial organic carbon in anoxic environments. Chemical Geology, 530, 119343 (2019).
doi:10.1016/j.chemgeo.2019.119343

Schaller, J., Faucherre, S., Joss, H., Obst, M., Göckede, M., Planer-Friedrich, B., Peiffer, S., Gilfedder, B., Elberling, B.: Silicon increases the phosphorus availability of Arctic soils. Scientific Reports, 9, 449 (2019).
doi:10.1038/s41598-018-37104-6

2018

Prabu, V., Obst, M., Hosseinkhannazer, H., Reynolds, M., Rosendahl, S., Wang, J., Hitchcock, A.: Instrumentation for in-situ flow electrochemical Scanning Transmission X-ray Microscopy (STXM). Review of Scientific Instruments, 89(6), No. 063702 (2018).
doi:10.1063/1.5023288

Obst, M., Ingino, P., Hitchcock, A., Prabu, V., Picard, A.: Redox-Chemistry of Environmental Biofilms Probed on the Submicron Scale by in-situ Electrochemistry Scanning Transmission (soft) X-ray Microscopy. Microscopy and Microanalysis, 24(Suppl. 2), 502-505 (2018).
doi:10.1017/S1431927618014745

2017

Yanez H., J., Wang, Z., Lege, S., Obst, M., Roehler, S., Burkhardt, C., Zwiener, C.: Application and characterization of electroactive membranes based on carbon nanotubes and zerovalent iron nanoparticles. Water Research, 108, 78-85 (2017).
doi:10.1016/j.watres.2016.10.055

Zeitvogel, F., Burkhardt, C., Schroeppel, B., Schmid, G., Ingino, P., Obst, M.: Comparison of Preparation Methods of Bacterial Cell-Mineral Aggregates for SEM Imaging and Analysis Using the Model System of Acidovorax sp. BoFeN1. Geomicrobiology Journal, 34(4), 317-327 (2017).
doi:10.1080/01490451.2016.1189467

Nordhoff, M., Tominski, C., Halama, M., Byrne, J., Obst, M., Kleindienst, S., Behrens, S., Kappler, A.: Insights into Nitrate-Reducing Fe(II) Oxidation Mechanisms through Analysis of Cell-Mineral Associations, Cell Encrustation, and Mineralogy in the Chemolithoautotrophic Enrichment Culture KS. Applied and Environmental Microbiology, 83(13), e00752-17 (2017).
doi:10.1128/AEM.00752-17

Swanner, E., Bayer, T., Wu, W., Hao, L., Obst, M., Sundman, A., Byrne, J., Michel, F., Kappler, A., Schönberg, R.: Iron isotope fractionation during Fe(II) oxidation mediated by the oxygen-producing marine cyanobacterium Synechococcus PCC 7002. Environmental Science & Technology, 51(9), 4897-4906 (2017).
doi:10.1021/acs.est.6b05833

Laufer, K., Nordhoff, M., Halama, M., Martinez, R., Obst, M., Nowak, M., Stryhanyuk, H., Richnow, H., Kappler, A.: Microaerophilic Fe(II)-Oxidizing Zetaproteobacteria Isolated from Low-Fe Marine Coastal Sediments : Physiology and Composition of Their Twisted Stalks. Applied and Environmental Microbiology, 83(8), e03118-16 (2017).
doi:10.1128/AEM.03118-16

Hagemann, N., Joseph, S., Schmidt, H., Kammann, C., Harter, J., Borch, T., Young, R., Varga, K., Taherymoosavi, S., Elliott, K., McKenna, A., Albu, M., Mayrhofer, C., Obst, M., Conte, P., Dieguez-Alonso, A., Orsetti, S., Subdiaga, E., Behrens, S., Kappler, A.: Organic coating on biochar explains its nutrient retention and stimulation of soil fertility. Nature Communications, 8(1), No. 1089 (2017).
doi:10.1038/s41467-017-01123-0

Zobi, F., Obst, M.: Two- and Three-dimensional Mid-Infrared Chemical Imaging. Chimia, 71(1), 32-37 (2017).
doi:10.2533/chimia.2017.32

2016

Hao, L., Guo, Y., Byrne, J., Zeitvogel, F., Schmid, G., Ingino, P., Li, J., Neu, T., Swanner, E., Kappler, A., Obst, M.: Binding of heavy metal ions in aggregates of microbial cells, EPS and biogenic iron minerals measured in-situ using metal- and glycoconjugates-specific fluorophores. Geochimica et Cosmochimica Acta, 180, 66-96 (2016).
doi:10.1016/j.gca.2016.02.016

Gauger, T., Byrne, J., Konhauser, K., Obst, M., Crowe, S., Kappler, A.: Influence of organics and silica on Fe(II) oxidation rates and cell–mineral aggregate formation by the green-sulfur Fe(II)-oxidizing bacterium Chlorobium ferrooxidans KoFox – Implications for Fe(II) oxidation in ancient oceans. Earth and Planetary Science Letters, 443, 81-89 (2016).
doi:10.1016/j.epsl.2016.03.022

She, M., Yang, Z., Hao, L., Wang, Z., Luo, T., Obst, M., Liu, P., Shen, Y., Zhang, S., Li, J.: A novel approach to study the structure-property relationships and applications in living systems of modular Cu2+ fluorescent probes. Scientific Reports, 6, 28972 (2016).
doi:10.1038/srep28972

Jin, X., Wu, S., She, M., Jia, Y., Hao, L., Yin, B., Wang, L., Obst, M., Shen, Y., Zhang, Y., Li, J.: Novel Fluorescein-Based Fluorescent Probe for Detecting H2S and Its Real Applications in Blood Plasma and Biological Imaging. Analytical Chemistry, 88(22), 11253-11260 (2016).
doi:10.1021/acs.analchem.6b04087

Grösbacher, M., Spicher, C., Bayer, A., Obst, M., Karwautz, C., Pilloni, G., Wachsmann, M., Scherb, H., Griebler, C.: Organic contamination versus mineral properties : competing selective forces shaping bacterial community assembly in aquifer sediments. Aquatic Microbial Ecology, 76(3), 243-255 (2016).
doi:10.3354/ame01781

Zeitvogel, F., Schmid, G., Hao, L., Ingino, P., Obst, M.: ScatterJ : An ImageJ plugin for the evaluation of analytical microscopy datasets. Journal of Microscopy, 261(2), 148-156 (2016).
doi:10.1111/jmi.12187

Zeitvogel, F., Obst, M.: ScatterJn : An ImageJ Plugin for Scatterplot-Matrix Analysis and Classification of Spatially Resolved Analytical Microscopy Data. Journal of Open Research Software, 4(1), e5 (2016).
doi:10.5334/jors.89

Schmid, G., Zeitvogel, F., Hao, L., Adaktylou, I., Eickhoff, M., Obst, M.: Submicron-Scale Heterogeneities in Nickel Sorption of Various Cell–Mineral Aggregates Formed by Fe(II)-Oxidizing Bacteria. Environmental Science & Technology, 50(1), 114-125 (2016).
doi:10.1021/acs.est.5b02955

2015

Picard, A., Kappler, A., Schmid, G., Quaroni, L., Obst, M.: Experimental diagenesis of organo-mineral structures formed by microaerophilic Fe(II)-oxidizing bacteria. Nature Communications, 6, No. 6277 (2015).
doi:10.1038/ncomms7277

Picard, A., Obst, M., Schmid, G., Zeitvogel, F., Kappler, A.: Limited influence of Si on the preservation of Fe mineral-encrusted microbial cells during experimental diagenesis. Geobiology, 14(3), 276-292 (2015).
doi:10.1111/gbi.12171

Han, Z., Sani, B., Mrozik, W., Obst, M., Beckingham, B., Karapanagioti, H., Werner, D.: Magnetite impregnation effects on the sorbent properties of activated carbons and biochars. Water Research, 70, 394-403 (2015).
doi:10.1016/j.watres.2014.12.016

Swanner, E., Wu, W., Hao, L., Wüstner, M., Obst, M., Moran, D., McIlvin, M., Saito, M., Kappler, A.: Physiology, Fe(II) oxidation, and Fe mineral formation by a marine planktonic cyanobacterium grown under ferruginous conditions. Frontiers in Earth Science, 3, 1-21 (2015).
doi:10.3389/feart.2015.00060

Quaroni, L., Obst, M., Nowak, M., Zobi, F.: Three-dimensional mid-infrared tomographic imaging of endogenous and exogenous molecules in a single intact cell with subcellular resolution. Angewandte Chemie International Edition, 54(1), 318-322 (2015).
doi:10.1002/anie.201407728

Jin, X., Hao, L., She, M., Obst, M., Kappler, A., Yin, B., Liu, P., Li, J., Wang, L., Shi, Z.: Visualizing tributyltin (TBT) in bacterial aggregates by specific rhodamine-based fluorescent probes. Analytica Chimica Acta, 853, 514-520 (2015).
doi:10.1016/j.aca.2014.10.005

Yang, Z., She, M., Yin, B., Hao, L., Obst, M., Liu, P., Li, J.: Solvent-dependent turn-on probe for dual monitoring of Ag⁺ and Zn²⁺ in living biological samples. Analytica Chimica Acta, 868, 53-59 (2015).
doi:10.1016/j.aca.2015.01.052

2014

Schmid, G., Zeitvogel, F., Hao, L., Ingino, P., Floetenmeyer, M., Stierhof, Y., Schroeppel, B., Burkhardt, C., Kappler, A., Obst, M.: 3-D analysis of bacterial cell-(iron)mineral aggregates formed during Fe(II) oxidation by the nitrate-reducing Acidovorax sp. strain BoFeN1 using complementary microscopy tomography approaches. Geobiology, 12(4), 340-361 (2014).
doi:10.1111/gbi.12088

Wu, W., Swanner, E., Hao, L., Zeitvogel, F., Obst, M., Pan, Y., Kappler, A.: Characterization of the physiology and cell–mineral interactions of the marine anoxygenic phototrophic Fe(II) oxidizer Rhodovulum iodosum – implications for Precambrian Fe(II) oxidation. FEMS Microbiology Ecology, 88(3), 503-515 (2014).
doi:10.1111/1574-6941.12315

Eickhoff, M., Obst, M., Schröder, C., Hitchcock, A., Tyliszczak, T., Martinez, R., Robbins, L., Konhauser, K., Kappler, A.: Nickel partitioning in biogenic and abiogenic ferrihydrite : The influence of silica and implications for ancient environments. Geochimica et Cosmochimica Acta, 140, 65-79 (2014).
doi:10.1016/j.gca.2014.05.021

Klueglein, N., Zeitvogel, F., Stierhof, Y., Floetenmeyer, M., Konhauser, K., Kappler, A., Obst, M.: Potential Role of Nitrite for Abiotic Fe(II) Oxidation and Cell Encrustation during Nitrate Reduction by Denitrifying Bacteria. Applied and Environmental Microbiology, 80(3), 1051-1061 (2014).
doi:10.1128/AEM.03277-13

Schmid, G., Zeitvogel, F., Hao, L., Ingino, P., Kuerner, W., Dynes, J., Karunakaran, C., Wang, J., Lu, Y., Ayers, T., Schietinger, C., Hitchcock, A., Obst, M.: Synchrotron-Based Chemical Nano-Tomography of Microbial Cell-Mineral Aggregates in their Natural, Hydrated State. Microscopy and Microanalysis, 20(2), 531-536 (2014).
doi:10.1017/S1431927613014104

2013

Shimizu, M., Zhou, J., Schröder, C., Obst, M., Kappler, A., Borch, T.: Dissimilatory Reduction and Transformation of Ferrihydrite-Humic Acid Coprecipitates. Environmental Science & Technology, 47(23), 13375-13384 (2013).
doi:10.1021/es402812j

Muehe, E., Obst, M., Hitchcock, A., Tyliszczak, T., Behrens, S., Schröder, C., Byrne, J., Michel, F., Krämer, U., Kappler, A.: Fate of Cd during Microbial Fe(III) Mineral Reduction by a Novel and Cd-Tolerant Geobacter Species. Environmental Science & Technology, 47(24), 14099-14109 (2013).
doi:10.1021/es403365w

Joens, M., Huynh, C., Kasuboski, J., Ferranti, D., Sigal, Y., Zeitvogel, F., Obst, M., Burkhardt, C., Curran, K., Chalasani, S., Stern, L., Goetze, B., Fitzpatrick, J.: Helium Ion Microscopy (HIM) for the imaging of biological samples at sub-nanometer resolution. Scientific Reports, 3, 3514 (2013).
doi:10.1038/srep03514

Klueglein, N., Lösekann-Behrens, T., Obst, M., Behrens, S., Appel, E., Kappler, A.: Magnetite Formation by the Novel Fe(III)-reducing Geothrix fermentans Strain HradG1 Isolated from a Hydrocarbon-Contaminated Sediment with Increased Magnetic Susceptibility. Geomicrobiology Journal, 30(10), 863-873 (2013).
doi:10.1080/01490451.2013.790922

Hao, L., Li, J., Kappler, A., Obst, M.: Mapping of Heavy Metal Ion Sorption to Cell-Extracellular Polymeric Substance-Mineral Aggregates by Using Metal-Selective Fluorescent Probes and Confocal Laser Scanning Microscopy. Applied and Environmental Microbiology, 79(21), 6524-6534 (2013).
doi:10.1128/AEM.02454-13

Muehe, E., Adaktylou, I., Obst, M., Zeitvogel, F., Behrens, S., Planer-Friedrich, B., Krämer, U., Kappler, A.: Organic carbon and reducing conditions lead to cadmium immobilization by secondary Fe mineral formation in a pH-neutral soil. Environmental Science & Technology, 47(23), 13430-13439 (2013).
doi:10.1021/es403438n

Yang, Z., Hao, L., Yin, B., She, M., Obst, M., Kappler, A., Li, J.: Six-Membered Spirocycle Triggered Probe for Visualizing Hg2+ in Living Cells and Bacteria–EPS–Mineral Aggregates. Organic Letters, 15(17), 4334-4337 (2013).
doi:10.1021/ol401795m

Jin, X., Hao, L., Hu, Y., She, M., Shi, Y., Obst, M., Li, J., Shi, Z.: Two novel fluorescein-based fluorescent probes for hypochlorite and its real applications in tap water and biological imaging. Sensors and Actuators B: Chemical, 186, 56-60 (2013).
doi:10.1016/j.snb.2013.05.079

2012

Hitchcock, A., Obst, M., Wang, J., Lu, Y., Tyliszczak, T.: Advances in the detection of as in environmental samples using low energy X-ray fluorescence in a scanning transmission X-ray microscope : arsenic immobilization by an Fe(II)-oxidizing freshwater bacteria. Environmental Science & Technology, 46(5), 2821-2829 (2012).
doi:10.1021/es202238k

Pantke, C., Obst, M., Benzerara, K., Morin, G., Ona-Nguema, G., Dippon, U., Kappler, A.: Green Rust Formation during Fe(II) Oxidation by the Nitrate-Reducing Acidovorax sp. Strain BoFeN1. Environmental Science & Technology, 46(3), 1439-1446 (2012).
doi:10.1021/es2016457

Behrens, S., Kappler, A., Obst, M.: Linking environmental processes to the in situ functioning of microorganisms by high-resolution secondary ion mass spectrometry (NanoSIMS) and scanning transmission X-ray microscopy (STXM). Environmental Microbiology, 14(11), 2851-2869 (2012).
doi:10.1111/j.1462-2920.2012.02724.x

Hilhorst, J., van Schooneveld, M., Wang, J., de Smit, E., Tyliszczak, T., Raabe, J., Hitchcock, A., Obst, M., de Groot, F., Pethukov, A.: Three-Dimensional Structure and Defects in Colloidal Photonic Crystals Revealed by Tomographic Scanning Transmission X-ray Microscopy. Langmuir, 28(7), 3614-3620 (2012).
doi:10.1021/la204580y

2011

Obst, M., Grathwohl, P., Kappler, A., Eibl, O., Peranio, N., Gocht, T.: Quantitative High-Resolution Mapping of Phenanthrene Sorption to Black Carbon Particles. Environmental Science & Technology, 45(17), 7314-7322 (2011).
doi:10.1021/es2009117

Benzerara, K., Menguy, N., Obst, M., Stolarski, J., Mazur, M., Tyliszczak, T., Brown Jr., G., Meibom, A.: Study of the crystallographic architecture of corals at the nanoscale by scanning transmission X-ray microscopy and transmission electron microscopy. Ultramicroscopy, 111(8), 1268-1275 (2011).
doi:10.1016/j.ultramic.2011.03.023

2010

Lam, K., Hitchcock, A., Obst, M., Lawrence, J., Swerhone, G., Leppard, G., Tyliszczak, T., Karunakaran, C., Wang, J., Kaznatcheev, K., Bazylinski, D., Lins, U.: Characterizing magnetism of individual magnetosomes by X-ray magnetic circular dichroism in a scanning transmission X-ray microscope. Chemical Geology, 270(1-4), 110-116 (2010).
doi:10.1016/j.chemgeo.2009.11.009

2009

Obst, M., Wehrli, B., Dittrich, M.: CaCO3 nucleation by cyanobacteria : laboratory evidence for a passive, surface-induced mechanism. Geobiology, 7(3), 324-347 (2009).
doi:10.1111/j.1472-4669.2009.00200.x

Miot, J., Benzerara, K., Obst, M., Kappler, A., Hegler, F., Schädler, S., Bouchez, C., Guyot, F., Morin, G.: Extracellular Iron Biomineralization by Photoautotrophic Iron-Oxidizing Bacteria. Applied and Environmental Microbiology, 75(17), 5586-5591 (2009).
doi:10.1128/AEM.00490-09

Miot, J., Benzerara, K., Morin, G., Kappler, A., Bernard, S., Obst, M., Férard, C., Skouri-Panet, F., Guigner, J., Posth, N., Galvez, M., Brown Jr., G., Guyot, F.: Iron biomineralization by anaerobic neutrophilic iron-oxidizing bacteria. Geochimica et Cosmochimica Acta, 73(3), 696-711 (2009).
doi:10.1016/j.gca.2008.10.033

Norlund, K., Southam, G., Tyliszczak, T., Hu, Y., Karunakaran, C., Obst, M., Hitchcock, A., Warren, L.: Microbial architecture of environmental sulfur processes: a novel syntrophic sulfur-metabolizing consortia. Environmental Science & Technology, 43(23), 8781-8786 (2009).
doi:10.1021/es803616k

Hanhan, S., Smith, A., Obst, M., Hitchcock, A.: Optimization of analysis of soft X-ray spectromicroscopy at the Ca 2p edge. Journal of Electron Spectroscopy and Related Phenomena, 173(1), 44-49 (2009).
doi:10.1016/j.elspec.2009.04.010

Obst, M., Dynes, J., Lawrence, J., Swerhone, G., Benzerara, K., Karunakaran, C., Kaznatcheev, K., Tyliszczak, T., Hitchcock, A.: Precipitation of amorphous CaCO3 (aragonite-like) by cyanobacteria: A STXM study of the influence of EPS on the nucleation process. Geochimica et Cosmochimica Acta, 73(14), 4180-4198 (2009).
doi:10.1016/j.gca.2009.04.013

Obst, M., Wang, J., Hitchcock, A.: Soft X-ray spectro-tomography study of cyanobacterial biomineral nucleation. Geobiology, 7(5), 577-591 (2009).
doi:10.1111/j.1472-4669.2009.00221.x

Hitchcock, A., Dynes, J., Lawrence, J., Obst, M., Swerhone, G., Korber, D., Leppard, G.: Soft X-ray spectromicroscopy of nickel sorption in a natural river biofilm. Geobiology, 7(4), 432-453 (2009).
doi:10.1111/j.1472-4669.2009.00211.x

2008

Hunter, R., Hitchcock, A., Dynes, J., Obst, M., Beveridge, T.: Mapping the speciation of iron in Pseudomonas aeruginosa biofilms using scanning transmission X-ray microscopy. Environmental Science & Technology, 42(23), 8766-8772 (2008).
doi:10.1021/es801642z

Najafi, E., Cruz, D., Obst, M., Hitchcock, A., Douhard, B., Pireux, J., Felten, A.: Polarization Dependence of the C 1s X-ray Absorption Spectra of Individual Multi-Walled Carbon Nanotubes. Small, 4(12), 2279-2285 (2008).
doi:10.1002/smll.200800439

2007

Kaznacheyev, K., Karunakaran, C., He, F., Sigrist, M., Summers, T., Obst, M., Hitchcock, A.: CLS ID-10 chicane configuration : From “Simple Sharing” to extended performance with high-speed polarization switching. Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment, 582(1), 103-106 (2007).
doi:10.1016/j.nima.2007.08.082

Kaznatcheev, K., Karunakaran, C., Lanke, U., Urquhart, S., Obst, M., Hitchcock, A.: Soft X-ray spectromicroscopy beamline at the CLS : Commissioning results. Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment, 582(1), 96-99 (2007).
doi:10.1016/j.nima.2007.08.083

2006

Obst, M., Dittrich, M., Kuehn, H.: Calcium adsorption and changes of the surface microtopography of cyanobacteria studied by AFM, CFM, and TEM with respect to biogenic calcite nucleation. Geochemistry, Geophysics, Geosystems, 7(6) (2006).
doi:10.1029/2005GC001172

2005

Obst, M., Dittrich, M.: Living under an atomic force microscope : An optimized approach for in vivo investigations on surface alterations towards biomineral nucleation on cyanobacterial cells. Geobiology, 3(3), 179-193 (2005).
doi:10.1111/j.1472-4669.2005.00054.x

Obst, M., Gasser, P., Mavrocordatos, D., Dittrich, M.: TEM-specimen preparation of cell/mineral interfaces by Focused Ion Beam milling. American Mineralogist, 90(8-9), 1270-1277 (2005).
doi:10.2138/am.2005.1743

2004

Dittrich, M., Obst, M.: Are Picoplankton Responsible for Calcite Precipitation in Lakes?. Ambio, 33(8), 559-564 (2004).
doi:10.1579/0044-7447-33.8.559

Books and Book sections

2023

Zhang, C., Eraky, H., Ingino, P., Obst, M., Wang, J., Higgins, D., Hitchcock, A.: In-situ STXM characterization of Cu/Cu₂O electrocatalysts for CO₂ reduction. In: Tzu-Hung Chuang, Bi-Hsuan Lin, Hung-Wei Shiu, Der-Hsin Wei (eds.): Proceedings of the 15th International Conference on X-ray Microscopy – XRM2022. - Melville, NY : AIP Publishing, 2023.
doi:10.1063/5.0168124

2016

Schmid, G., Obst, M., Wu, J., Hitchcock, A.: 3D chemical imaging of nanoscale biological, environmental and synthetic materials by soft X-ray STXM spectro-tomography. In: Challa S. S. R. Kumar (eds.): X-ray and neutron techniques for nanomaterials characterization. - Berlin : Springer, 2016. - 43-94.

2014

Schmid, G., Obst, M.: 3D chemical mapping : Application of scanning transmission (soft) X-ray microscopy (STXM) in combination with angle-scan tomography in bio-, geo- and environmental science. In: John Kuo (eds.): Electron Microscopy : Methods and Protocols. 3rd ed.. - Totowa, NJ : Humana Press, 2014. - 757-781.
doi:10.1007/978-1-62703-776-1