Martin Obst: Publikationen


Hagemann, N; Joseph, S; Schmidt, HP; Kammann, CI; Harter, J; Borch, T; Young, RB; Varga, K; Taherymoosavi, S; Elliott, KW; 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, 1089 1-11 (2017), online: 20.10.2017, doi:10.1038/s41467-017-01123-0 [Link] -- Details
Zeitvogel, F; Burkhardt, CJ; 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), online: 23.06.2016, doi:10.1080/01490451.2016.1189467 [Link] -- Details
Laufer, K; Nordhoff, M; Halama, M; Martinez, RE; Obst, M; Nowak, M; Stryhanyuk, H; Richnow, HH; 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), online: 03.02.2017, doi:10.1128/AEM.03118-16 [Link] -- Details
Zobi, F; Obst, M: Two- and Three-dimensional Mid-Infrared Chemical Imaging, CHIMIA International Journal for Chemistry, 71(1), 32-37 (2017), online: 01.04.2017, doi:10.2533/chimia.2017.32 [Link] -- Details
Yanez H., JE; Wang, Z; Lege, S; Obst, M; Roehler, S; Burkhardt, CJ; Zwiener, C: Application and characterization of electroactive membranes based on carbon nanotubes and zerovalent iron nanoparticles, Water Research, 108, 78-85 (2017), online: 22.10.2016, doi:10.1016/j.watres.2016.10.055 [Link] -- Details
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, 11253-11260 (2016), online: 26.10.2016, doi:10.1021/acs.analchem.6b04087 [Link] -- Details
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 (2016), online: 03.08.2016, doi:10.1038/srep28972 [Link] -- Details
Hao, L; Guo, Y; Byrne, JM; Zeitvogel, F; Schmid, G; Ingino, P; Li, J; Neu T., TR; Swanner, ED; 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), online: 18.02.2016, doi:10.1016/j.gca.2016.02.016 [Link] -- Details
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), 1-6 (2016), online: 03.02.2016, doi:10.5334/jors.89 [Link] -- Details
Schmid, G; Obst, M; Wu, J; Hitchcock, AP: 3D chemical imaging of nanoscale biological, environmental and synthetic materials by soft X-ray STXM spectro-tomography in Kumar CSSR.: Characterization Tools for Nanoscience & Nanotechnology, Springer Verlag Berlin, Heidelberg (2016)
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), online: 16.12.2014, doi:10.1111/jmi.12187 [Link] -- Details

Publikationen aus anderen Bereichen


-- 2016 --
Gauger, T; Byrne, JM; Konhauser, KO; 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 [Link] -- Details
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, 276-292 (2016), online: 23.02.2018, doi:10.1111/gbi.12171 [Link] -- Details
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, 243-255 (2016), doi:10.3354/ame01781 [Link] -- Details
Schmid, G; Zeitvogel, F; Hao, L; Adaktylou, IJ; 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), online: 20.11.2015, doi:10.1021/acs.est.5b02955 [Link] -- Details

-- 2015 --
Swanner, ED; Wu, W; Hao, L; Wüstner, M; Obst, M; Moran, DM; McIlvin, MR; Saito, MA; 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 [Link] -- Details
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), online: 07.02.2015, doi:10.1016/j.aca.2015.01.052 [Link] -- Details
Han, Z; Sani, B; Mrozik, W; Obst, M; Beckingham, B; Karapanagioti, HK; Werner, D: Magnetite impregnation effects on the sorbent properties of activated carbons and biochars, Water Research, 70, 394-403 (2015), online: 17.12.2014, doi:10.1016/j.watres.2014.12.016 [Link] -- Details
Picard, A; Kappler, A; Schmid, G; Quaroni, L; Obst, M: Morphological and organic biosignatures of microaerophilic Fe(II)-oxidizing bacteria are preserved during experimental diagenesis, Nature Communications, 6(6277), 1-8 (2015), doi:10.1038/ncomms7277 [Link] -- Details
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), online: 13.10.2014, doi:10.1016/j.aca.2014.10.005 [Link] -- Details
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), online: 13.11.2014, doi:10.1002/anie.201407728 [Link] -- Details

-- 2014 --
Eickhoff, M; Obst, M; Schröder, C; Hitchcock, AP; Tyliszczak, T; Martinez, RE; Robbins, LJ; Konhauser, KO; 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), online: 24.05.2014, doi:10.1016/j.gca.2014.05.021 [Link] -- Details
Schmid, G; Zeitvogel, F; Hao, L; Ingino, P; Floetenmeyer, M; Stierhof, Y-D; Schroeppel, B; Burkhardt, CJ; 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, 340-361 (2014), online: 14.05.2014, doi:10.1111/gbi.12088 [Link] -- Details
Wu, W; Swanner, ED; 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, 503-515 (2014), online: 25.03.2014, doi:10.1111/1574-6941.12315 [Link] -- Details
Schmid, G; Zeitvogel, F; Hao, L; Ingino, P; Kuerner, W; Dynes, JJ; Karunakaran, C; Wang, J; Lu, Y; Ayers, T; Schietinger, C; Hitchcock, AP; 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), online: 19.02.2014, doi:10.1017/S1431927613014104 [Link] -- Details
Klueglein, N; Zeitvogel, F; Stierhof, Y-D; Floetenmeyer, M; Konhauser, KO; 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), online: 22.11.2013, doi:10.1128/AEM.03277-13 [Link]
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 Kuo, J.: Methods in Molecular Biology, Electron Microscopy, Methods and Protocols, Humana Press (2014), doi:10.1007/978-1-62703-776-1

-- 2013 --
Joens, MS; Huynh, C; Kasuboski, JM; Ferranti, D; Sigal, YJ; Zeitvogel, F; Obst, M; Burkhardt, CJ; Curran, KP; Chalasani, SH; Stern, LA; Goetze, B; Fitzpatrick, JAJ: Helium Ion Microscopy (HIM) for the imaging of biological samples at sub-nanometer resolution, Scientific Reports, 3(3514), 1-7 (2013), online: 17.12.2013, doi:10.1038/srep03514 [Link] -- Details
Muehe, EM; Obst, M; Hitchcock, AP; Tyliszczak, T; Behrens, S; Schröder, C; Byrne, JM; Michel, FM; 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(20), 14099-14109 (2013), online: 25.11.2013, doi:10.1021/es403365w [Link] -- Details
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(13), 13375-13384 (2013), online: 12.11.2013, doi:10.1021/es402812j [Link] -- Details
Muehe, EM; Adaktylou, IJ; Obst, M; Zeitvogel, F; Behrens, S; Planer-Friedrich, B; Kraemer, 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), online: 06.11.2013, doi:10.1021/es403438n [Link] -- Details
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), online: 23.08.2013, doi:10.1128/AEM.02454-13 [Link] -- Details
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), online: 30.05.2013, doi:10.1016/j.snb.2013.05.079 [Link] -- Details
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), online: 12.08.2013, doi:10.1021/ol401795m [Link] -- Details
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), online: 05.04.2013, doi:10.1080/01490451.2013.790922 [Link] -- Details

-- 2012 --
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), online: 12.03.2012, doi:10.1111/j.1462-2920.2012.02724.x [Link] -- Details
Hilhorst, J; van Schooneveld, MM; Wang, J; de Smit, E; Tyliszczak, T; Raabe, J; Hitchcock, AP; Obst, M; de Groot, FMF; Pethukov, AV: Three-Dimensional Structure and Defects in Colloidal Photonic Crystals Revealed by Tomographic Scanning Transmission X-ray Microscopy, Langmuir, 28(7), 3614-3620 (2012), online: 19.01.2012, doi:10.1021/la204580y [Link] -- Details
Hitchcock, AP; 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 and Technology, 46(5), 2821-2829 (2012), online: 27.01.2012, doi:10.1021/es202238k [Link] -- Details
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 and Technology, 46(3), 1439-1446 (2012), online: 22.12.2011, doi:10.1021/es2016457 [Link] -- Details

-- 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 and Technology, 45(17), 7314-7322 (2011), online: 15.07.2011, doi:10.1021/es2009117 [Link] -- Details
Benzerara, K; Menguy, N; Obst, M; Stolarski, J; Mazur, M; Tyliszczak, T; Brown Jr., GE; 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), online: 05.05.2011, doi:10.1016/j.ultramic.2011.03.023 [Link] -- Details

-- 2010 --
Lam, KP; Hitchcock, AP; Obst, M; Lawrence, JR; Swerhone, GDW; Leppard, GG; Tyliszczak, T; Karunakaran, C; Wang, J; Kaznatcheev, KV; Bazylinski, DA; 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), online: 22.11.2009, doi:10.1016/j.chemgeo.2009.11.009 [Link] -- Details

-- 2009 --
Obst, M; Wang, J; Hitchcock, AP: Soft X-ray spectro-tomography study of cyanobacterial biomineral nucleation, Geobiology, 7(5), 577-591 (2009), online: 26.10.2009, doi:10.1111/j.1472-4669.2009.00221.x [Link] -- Details
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 (2009), online: 10.07.2009, doi:5591 [Link] -- Details
Hitchcock, AP; Dynes, JJ; Lawrence, JR; Obst, M; Swerhone, GDW; Korber, DR; Leppard, GG: Soft X-ray spectromicroscopy of nickel sorption in a natural river biofilm, Geobiology, 7(4), 432-453 (2009), online: 28.07.2009, doi:10.1111/j.1472-4669.2009.00211.x [Link] -- Details
Norlund, KLI; Southam, G; Tyliszczak, T; Hu, Y; Karunakaran, C; Obst, M; Hitchcock, AP; Warren, LA: Microbial Architecture of Environmental Sulfur Processes: A Novel Syntrophic Sulfur-Metabolizing Consortia, Environmental Science and Technology, 43(23), 8781-8786 (2009), online: 01.12.2009, doi:10.1021/es803616k [Link] -- Details
Obst, M; Dynes, JJ; Lawrence, JR; Swerhone, GDW; Benzerara, K; Karunakaran, C; Kaznatcheev, KV; Tyliszczak, T; Hitchcock, AP: 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), online: 24.04.2008, doi:10.1016/j.gca.2009.04.013 [Link] -- Details
Hanhan, S; Smith, AM; Obst, M; Hitchcock, AP: 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), online: 04.05.2009, doi:10.1016/j.elspec.2009.04.010 [Link] -- Details
Obst, M; Wehrli, B; Dittrich, M: CaCO3 nucleation by cyanobacteria: laboratory evidence for a passive, surface-induced mechanism, Geobiology, 7(3), 324-347 (2009), online: 22.06.2009, doi:10.1111/j.1472-4669.2009.00200.x [Link] -- Details
Miot, J; Benzerara, K; Morin, G; Kappler, A; Bernard, S; Obst, M; Férard, C; Skouri-Panet, F; Guigner, J-M; Posth, N; Galvez, M; Brown Jr., GE; Guyot, F: Iron biomineralization by anaerobic neutrophilic iron-oxidizing bacteria, Geochimica et Cosmochimica Acta, 73(3), 696-711 (2009), online: 11.11.2008, doi:10.1016/j.gca.2008.10.033 [Link] -- Details

-- 2008 --
Hunter, RC; Hitchcock, AP; Dynes, JJ; Obst, M; Beveridge, TJ: Mapping the Speciation of Iron in Pseudomonas aeruginosa Biofilms Using Scanning Transmission X-ray Microscopy, Environmental Science and Technology, 42(23), 8766-8772 (2008), online: 28.10.2008, doi:10.1021/es801642z [Link] -- Details
Najafi, E; Cruz, DH; Obst, M; Hitchcock, AP; Douhard, B; Pireux, J-J; Felten, AM: Polarization Dependence of the C 1s X-ray Absorption Spectra of Individual Multi-Walled Carbon Nanotubes, Small, 4(12), 2279-2285 (2008), online: 06.11.2008, doi:10.1002/smll.200800439 [Link] -- Details

-- 2007 --
Kaznacheyev, KV; Karunakaran, C; He, F; Siegrist, M; Summers, T; Obst, M; Hitchcock, AP: 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), online: 12.08.2009, doi:10.1016/j.nima.2007.08.082 [Link] -- Details
Kaznatcheev, KV; Karunakaran, C; Lanke, UD; Urquhart, SG; Obst, M; Hitchcock, AP: 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), online: 12.08.2007, doi:10.1016/j.nima.2007.08.083 [Link] -- Details

-- 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), online: 14.06.2006, doi:10.1029/2005GC001172 [Link] -- Details

-- 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 [Link] -- Details
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 [Link] -- Details

-- 2004 --
Dittrich, M; Obst, M: Are Picoplankton Responsible for Calcite Precipitation in Lakes?, Ambio: A Journal of the Human Environment, 33(8), 559-564 (2004), doi:10.1579/0044-7447-33.8.559 [Link] -- Details