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1. Full Text Hemoglobin-derived porphyrins preserved in a Middle Eocene blood-engorged mosquito
by Dale E. Greenwalt and Yulia S. Goreva and Sandra M. Siljeström and Tim Rose and Ralph E. Harbach and SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf)
Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, 11/2013, Volume 110, Issue 46, pp. 18496 - 18500
Although hematophagy is found in ∼14,000 species of extant insects, the fossil record of blood-feeding insects is extremely poor and largely confined to... 
Amber | Mass spectroscopy | Thorax | Hematophagous insects | Insect vectors | Mosquitos | Hemoglobins | Fossils | Abdomen | Porphyrins | DIPTERA | HEME | MULTIDISCIPLINARY SCIENCES | PHLEBOTOMIDAE | TRYPANOSOMATIDAE | DOMINICAN AMBER | SCORPIONFLIES | IDENTIFICATION | ASSOCIATION | MASS-SPECTROMETRY | VECTOR | Culicidae - chemistry | Montana | Animals | Mass Spectrometry | Porphyrins - analysis | Spectrometry, X-Ray Emission | Porphyrins - isolation & purification | Hemoglobins - analysis | Hemoglobin | Physiological aspects | Mosquitoes | Research | Biological Sciences | Naturvetenskap | Natural Sciences
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2. Full Text Comet 67P/Churyumov-Gerasimenko sheds dust coat accumulated over the past four years
by Schulz, Rita and Hilchenbach, Martin and Langevin, Yves and Kissel, Jochen and Silen, Johan and Briois, Christelle and Engrand, Cecile and Hornung, Klaus and Baklouti, Donia and Bardyn, Anaïs and Cottin, Hervé and Fischer, Henning and Fray, Nicolas and Godard, Marie and Lehto, Harry and Le Roy, Léna and Merouane, Sihane and Orthous-Daunay, François-Régis and Paquette, John and Rynö, Jouni and Siljeström, Sandra and Stenzel, Oliver and Thirkell, Laurent and Varmuza, Kurt and Zaprudin, Boris and SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf)
Nature, ISSN 0028-0836, 02/2015, Volume 518, Issue 7538, pp. 216 - 218
Comets are composed of dust and frozen gases. The ices are mixed with the refractory material either as an icy conglomerate(1), or as an aggregate of pre-solar... 
COSIMA | ONBOARD ROSETTA | PARTICLES | NUCLEUS | MULTIDISCIPLINARY SCIENCES | WATER ICE | SOLAR-SYSTEM | DEEP IMPACT | STARDUST | Comets | Observations | Atoms & subatomic particles | Gases | Dust | Sun | Astronomy | Sciences of the Universe | Naturvetenskap | Natural Sciences
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3. Full Text High-molecular-weight organic matter in the particles of comet 67P/Churyumov-Gerasimenko
by Fray, Nicolas and Bardyn, Anaïs and Cottin, Hervé and Altwegg, Kathrin and Baklouti, Donia and Briois, Christelle and Colangeli, Luigi and Engrand, Cécile and Fischer, Henning and Glasmachers, Albrecht and Grün, Eberhard and Haerendel, Gerhard and Henkel, Hartmut and Höfner, Herwig and Hornung, Klaus and Jessberger, Elmar K and Koch, Andreas and Krüger, Harald and Langevin, Yves and Lehto, Harry and Lehto, Kirsi and Le Roy, Léna and Merouane, Sihane and Modica, Paola and Orthous-Daunay, François-Régis and Paquette, John and Raulin, François and Rynö, Jouni and Schulz, Rita and Silén, Johan and Siljeström, Sandra and Steiger, Wolfgang and Stenzel, Oliver and Stephan, Thomas and Thirkell, Laurent and Thomas, Roger and Torkar, Klaus and Varmuza, Kurt and Wanczek, Karl-Peter and Zaprudin, Boris and Kissel, Jochen and Hilchenbach, Martin and Medicinteknik
Nature, ISSN 0028-0836, 09/2016, Volume 538, Issue 7623, pp. 72 - 74
The presence of solid carbonaceous matter in cometary dust was established by the detection of elements such as carbon, hydrogen, oxygen and nitrogen in... 
HALLEY DUST PARTICLES | CHONDRITES | ORIGIN | COSIMA | MASS-SPECTROMETER | MULTIDISCIPLINARY SCIENCES | SOLAR-SYSTEM | Comets | Atoms & subatomic particles | Dust | Organic chemicals | Sciences of the Universe | Fysik | Physical Sciences | Astronomi, astrofysik och kosmologi | Naturvetenskap | Asteroids | Kuiper belt | Natural Sciences | comets | Astronomy, Astrophysics and Cosmology
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4. Full Text Significance of variables for discrimination: Applied to the search of organic ions in mass spectra measured on cometary particles
by Varmuza, Kurt and Filzmoser, Peter and Hoffmann, Irene and Walach, Jan and Cottin, Hervé and Fray, Nicolas and Briois, Christelle and Modica, Paola and Bardyn, Anaïs and Silén, Johan and Siljeström, Sandra and Stenzel, Oliver and Kissel, Jochen and Hilchenbach, Martin and RISE - Research Institutes of Sweden and Kemi och material and Biovetenskap och material
Journal of Chemometrics, ISSN 0886-9383, 04/2018, Volume 32, Issue 4, pp. Article number e3001 - n/a
The instrument Cometary Secondary Ion Mass Analyzer (COSIMA) on board of the European Space Agency mission Rosetta to the comet 67P/Churyumov‐Gerasimenko is a... 
variable importance | pairwise log ratios | D‐PLS | comet 67P/Churyumov‐Gerasimenko | random forest | classification | time‐of‐flight secondary ion mass spectrometry | Rosetta | time-of-flight secondary ion mass spectrometry | comet 67P/Churyumov-Gerasimenko | D-PLS | SPECTROMETER | CHEMISTRY, ANALYTICAL | Churyumov-Gerasimenko | COSIMA | STATISTICS & PROBABILITY | INSTRUMENT ONBOARD ROSETTA | COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE | INSTRUMENTS & INSTRUMENTATION | MATHEMATICS, INTERDISCIPLINARY APPLICATIONS | comet 67P | DUST PARTICLES | AUTOMATION & CONTROL SYSTEMS | Mass spectrometry | Analysis | Comets | Ions | Mass spectra | Test procedures | Sciences of the Universe | Time-of-flight secondary ion mass spectrometry | Comet 67P/Churyumov-Gerasimenko | Naturvetenskap | Pairwise log ratios | Variable importance | Classification | Random forest | Natural Sciences
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5. Full Text Intricate tunnels in garnets from soils and river sediments in Thailand – Possible endolithic microborings
by Ivarsson, Magnus and Skogby, Henrik and Phichaikamjornwut, Bongkot and Bengtson, Stefan and Siljeström, Sandra and Ounchanum, Prayote and Boonsoong, Apichet and Kruachanta, Mingkhwan and Marone, Federica and Belivanova, Veneta and Holmström, Sara and RISE - Research Institutes of Sweden and Biovetenskap och material and Yta, process och formulering
PLoS ONE, ISSN 1932-6203, 08/2018, Volume 13, Issue 8, p. e0200351
Garnets from disparate geographical environments and origins such as oxidized soils and river sediments in Thailand host intricate systems of microsized... 
FUNGI | MICROBIAL LIFE | MINERALS | METALS | AMBIENT PYRITE | ROCKS | MULTIDISCIPLINARY SCIENCES | ALMANDINE GARNET | BIOREMEDIATION | MECHANISMS | TRACE FOSSILS | Geologic Sediments - microbiology | Microscopy, Electron, Scanning | Rivers - chemistry | Spectrometry, X-Ray Emission | Soil - chemistry | Geologic Sediments - chemistry | Minerals - chemistry | Ferrous Compounds - chemistry | Silicates - chemistry | Thailand | Fossils | Soils | Precious stones | Gems | River sediments | Silicates | Rivers | Silicate minerals | Tunnels | Abrasion | Biology | Iron | Minerals | Fungi | Microorganisms | Chemical attack | Cyanobacteria | Bacteria | Stratigraphy | Natural history | Tunnels (transportation) | Geology | Astrobiology | Algae | Museums | Bioavailability | Sediments | Biological activity | Organic chemistry | Geobiology | Garnets | Abrasion resistance | Microscopy | X radiation | Fluvial sediments | Naturvetenskap | Natural Sciences
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6. Full Text Spectral characterization of ten cyclic lipids using time‐of‐flight secondary ion mass spectrometry
by Leefmann, Tim and Heim, Christine and Siljeström, Sandra and Blumenberg, Martin and Sjövall, Peter and Thiel, Volker and SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf)
Rapid Communications in Mass Spectrometry, ISSN 0951-4198, 03/2013, Volume 27, Issue 5, pp. 565 - 581
RATIONALE Over the last decade, the high lateral resolution and imaging capabilities of time‐of‐flight secondary ion mass spectrometry (ToF‐SIMS) have... 
CHLOROPHYLL-A | LOCALIZATION | CHEMISTRY, ANALYTICAL | VITAMIN-E | SEDIMENTARY BACTERIOHOPANEPOLYOLS | NATURAL-PRODUCTS | BIOCHEMICAL RESEARCH METHODS | FRAGMENTATION | ELECTRON-IMPACT | BIOMARKERS | SPECTROSCOPY | HOPANOIDS | TOF-SIMS | Bacteria - chemistry | Molecular Weight | Ergosterol - chemistry | Ascomycota - chemistry | Biomarkers - analysis | Fungi - chemistry | Microbial Consortia | Ergosterol - analogs & derivatives | Chlorophyll - chemistry | Terpenes - chemistry | Lipids - chemistry | Spectrometry, Mass, Secondary Ion - methods | Carotenoids - chemistry | Lipids - analysis | Biomarkers - chemistry | Cyclic hydrocarbons | Chlorophyll | Usage | Invisibility | Phytosterols | Tocopherols | Chemical properties | Plant lipids | Mass spectrometry | Beta carotene | Naturvetenskap | Natural Sciences
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7. Full Text Anaerobic consortia of fungi and sulfate reducing bacteria in deep granite fractures
by Drake, Henrik and Ivarsson, Magnus and Bengtson, Stefan and Heim, Christine and Siljeström, Sandra and Whitehouse, Martin J and Broman, Curt and Belivanova, Veneta and Åström, Mats E and Naturhistoriska riksmuseet and Enheten för paleobiologi and Enheten för geovetenskap
Nature Communications, ISSN 2041-1723, 12/2017, Volume 8, Issue 1, p. 55
The deep biosphere is one of the least understood ecosystems on Earth. Although most microbiological studies in this system have focused on prokaryotes and... 
FENNOSCANDIAN SHIELD | COMMUNITY STRUCTURE | AQUIFERS | YUCCA MOUNTAIN | MULTIDISCIPLINARY SCIENCES | SULFUR ISOTOPES | BIOSPHERE | SUBSEAFLOOR | CRYSTALLINE BEDROCK | DIVERSITY | GROUNDWATER | Geologic Sediments - microbiology | Bacteria, Anaerobic - isolation & purification | Microscopy, Electron, Scanning | Sweden | Bacteria, Anaerobic - ultrastructure | Silicon Dioxide | Fossils - microbiology | Fungi - ultrastructure | Fungi - isolation & purification | Fossils - ultrastructure | Fungi | Ecosystems and species history | Biogeochemistry | Naturvetenskap | Geochemistry | Natural Sciences | Annan geovetenskap och miljövetenskap | Earth and Related Environmental Sciences | Other Earth and Related Environmental Sciences | Geovetenskap och miljövetenskap | Ekosystem och arthistoria
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8. Full Text Fungal colonization of an Ordovician impact-induced hydrothermal system
by Ivarsson, Magnus and Broman, Curt and Sturkell, Erik and Ormö, Jens and Siljeström, Sandra and Van Zuilen, Mark and Bengtson, Stefan and Stockholms universitet and Naturvetenskapliga fakulteten and Institutionen för geologiska vetenskaper
Scientific Reports, ISSN 2045-2322, 12/2013, Volume 3, Issue 1, p. 3487
Impacts are common geologic features on the terrestrial planets throughout the solar system, and on at least Earth and Mars impacts have induced hydrothermal... 
MULTIDISCIPLINARY SCIENCES | CRATER | CENTRAL SWEDEN | TOF-SIMS | JAMTLAND | EVENT | LIFE | Fungi | Sweden | Solar System | Ecosystem | Geological Phenomena | Fossils | Mars | Microorganisms | Life span | Minerals | Colonization | Convection | Naturvetenskap | Natural Sciences | Earth and Related Environmental Sciences | Geovetenskap och miljövetenskap
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9. Full Text Mechanical and electrostatic experiments with dust particles collected in the inner coma of comet 67P by COSIMA onboard Rosetta
by Hilchenbach, Martin and Fischer, Henning and Langevin, Yves and Merouane, Sihane and Paquette, John and Rynö, Jouni and Stenzel, Oliver and Briois, Christelle and Kissel, Jochen and Koch, Andreas and Schulz, Rita and Silen, Johan and Altobelli, Nicolas and Baklouti, Donia and Bardyn, Anais and Cottin, Herve and Engrand, Cecile and Fray, Nicolas and Haerendel, Gerhard and Henkel, Hartmut and Höfner, Herwig and Hornung, Klaus and Lehto, Harry and Mellado, Eva Maria and Modica, Paola and Le Roy, Lena and Siljeström, Sandra and Steiger, Wolfgang and Thirkell, Laurent and Thomas, Roger and Torkar, Klaus and Varmuza, Kurt and Zaprudin, Boris and COSIMA Team and COSIMA team and the COSIMA team and RISE - Research Institutes of Sweden and Kemi och material and Biovetenskap och material
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, ISSN 1364-503X, 07/2017, Volume 375, Issue 2097, p. 20160255
The in situ cometary dust particle instrument COSIMA (COmetary Secondary Ion Mass Analyser) onboard ESA's Rosetta mission has collected about 31 000 dust... 
Coma | Fragmentation Author for correspondence | Dust | Comet | CONTACT | MASS-SPECTROMETER | MISSION | SPHERES | MULTIDISCIPLINARY SCIENCES | coma | fragmentation | NUCLEUS | comet | BODIES | SOLAR-SYSTEM | FORCES | dust | SURFACES | Rosetta mission | Particle morphologies | Ions | Secondary ion mass spectrometry | Secondary emission | Ion beams | Time of flight secondary ion mass spectrometry | Spectrometry | Electrical insulators | Naturvetenskap | Piles | Natural Sciences | Electrostatics | Mass spectrometry | 67p/churyumov-gerasimenko
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10. Full Text UV irradiation of biomarkers adsorbed on minerals under Martian-like conditions: Hints for life detection on Mars
by Fornaro, Teresa and Boosman, Arjen and Brucato, John R and ten Kate, Inge Loes and Siljeström, Sandra and Poggiali, Giovanni and Steele, Andrew and Hazen, Robert M and RISE - Research Institutes of Sweden and Kemi och material and Biovetenskap och material
Icarus, ISSN 0019-1035, 10/2018, Volume 313, pp. 38 - 60
Laboratory simulations of Martian conditions are essential to develop quantitative models for the survival of organic biomarkers for future Mars exploration... 
Biomarkers | Infrared spectroscopy | Laboratory simulations | ToF-SIMS | Raman spectroscopy | Mars soil analogues | Astronomy and Astrophysics | Space and Planetary Science | ORGANIC-MOLECULES | CROSS-SECTIONS | INFRARED-SPECTROSCOPY | ADSORPTION | MASS-SPECTROMETRY | GALE CRATER | CRYSTALLINE HEMATITE | AMINO-ACIDS | ASTRONOMY & ASTROPHYSICS | SURFACE | ULTRAVIOLET-RADIATION | Phosphate minerals | Hematite | Phosphate rock | Mars (Planet) | Adenylic acid | Biological markers | Mass spectrometry | Planets | Atmosphere | Naturvetenskap | Natural Sciences
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11. Full Text Timing and origin of natural gas accumulation in the Siljan impact structure, Sweden
by Drake, H and Roberts, NMW and Heim, C and Whitehouse, MJ and Siljestrom, S and Kooijman, E and Broman, C and Ivarsson, M and Astrom, ME and Linnéuniversitetet and Institutionen för biologi och miljö (BOM) and Fakulteten för Hälso- och livsvetenskap (FHL)
NATURE COMMUNICATIONS, ISSN 2041-1723, 10/2019, Volume 10, Issue 1, pp. 1 - 14
Fractured rocks of impact craters may be suitable hosts for deep microbial communities on Earth and potentially other terrestrial planets, yet direct evidence... 
METHANE | CARBON | OIL | ANAEROBIC OXIDATION | 1 DRILL CORE | SUBSURFACE | RING | MULTIDISCIPLINARY SCIENCES | HYDROCARBON GASES | ISOTOPIC EVIDENCE | CALCITE | Terrestrial planets | Methane | Microbial activity | Anaerobic microorganisms | Astrobiology | Terrestrial environments | Shale | Minerals | Bedrock | Accumulation | Biological activity | Microorganisms | Devonian | Craters | Methanogenesis | Rocks | Oxidation | Natural gas | Biological Sciences | Mikrobiologi | Naturvetenskap | Natural Sciences | Microbiology | Biologiska vetenskaper
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12. Full Text Extreme 13 C depletion of carbonates formed during oxidation of biogenic methane in fractured granite
by Drake, Henrik and Aström, Mats E and Heim, Christine and Broman, Curt and Aström, Jan and Whitehouse, Martin and Ivarsson, Magnus and Siljeström, Sandra and Sjövall, Peter and SP – Sveriges Tekniska Forskningsinstitut and SP Kemi Material och Ytor
Nature Communications, ISSN 2041-1723, 05/2015, Volume 6
Precipitation of exceptionally 13C-depleted authigenic carbonate is a result of, and thus a tracer for, sulphate-dependent anaerobic methane oxidation,... 
Naturvetenskap | Natural Sciences
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13. Full Text A comparative ToF-SIMS and GC–MS analysis of phototrophic communities collected from an alkaline silica-depositing hotspring
by Siljeström, Sandra and Parenteau, Mary and Jahnke, Linda and Cady, Sherry and RISE - Research Institutes of Sweden and Biovetenskap och material and Kemi och material
Organic Geochemistry, ISSN 0146-6380, 2017, Volume 109, p. 14
One of few techniques that is able to spatially resolve chemical data, including organic molecules, to morphologicalfeatures in modern and ancient geological... 
Naturvetenskap | Lipids; ToF-SIMS; Imaging mass spectrometry; Microbial streamers; Hot springs | Geokemi | Geochemistry | Natural Sciences | Earth and Related Environmental Sciences | Geovetenskap och miljövetenskap
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14. Full Text Biomarker imaging of single diatom cells in a microbial mat using time-of-flight secondary ion mass spectrometry (ToF-SIMS)
by Leefmann, Tim and Heim, Christine and Kryvenda, Anastasiia and Siljeström, Sandra and Sjövall, Peter and Thiel, Volker and SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf)
Organic Geochemistry, ISSN 0146-6380, 04/2013, Volume 57, Issue Apr, pp. 23 - 33
► ToF-SIMS used for analysis of biomarkers in a phototrophic microbial mat. ► Biomarkers in extracts and cryosections compared using ToF-SIMS and GC–MS. ►... 
GEOCHEMISTRY & GEOPHYSICS | LOCALIZATION | CHOLESTEROL | ALLOMERIZATION REACTION | BIOFILMS | LIPID-COMPOSITION | CHLOROPHYLL | SPECTRAL CHARACTERIZATION | IDENTIFICATION | MORPHOLOGY | ADIPOSE-TISSUE | Fatty acids | Mass spectrometry | Usage | Naturvetenskap | Natural Sciences
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