Suchergebnisse - "ISOTOPES"

Effects of geographical origin, processing and their interaction on stable isotopes in Pu-erh tea for traceability.

Autoren: Li Y Zou HD Wang XL et al.

Quelle: Food chemistry [Food Chem] 2025 Dec 25; Vol. 496 (Pt 1), pp. 146619. Date of Electronic Publication: 2025 Oct 08.

Publikationsart: Journal Article; Evaluation Study

Info zur Zeitschrift: Publisher: Elsevier Applied Science Publishers Country of Publication: England NLM ID: 7702639 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-7072 (Electronic) Linking ISSN: 03088146 NLM ISO Abbreviation: Food Chem Subsets: MEDLINE

MeSH-Schlagworte: Tea*/chemistry , Camellia sinensis*/chemistry , Carbon Isotopes*/analysis, Caffeine/analysis ; Caffeine/chemistry ; Nitrogen Isotopes/analysis ; Oxygen Isotopes/analysis ; Food Handling ; Geography

Isotopologues of a Metabolic Precursor for Selective N-15 and C-13 Histidine Labeling.

Autoren: Brüschweiler S Hlavac M Kratzwald S et al.

Quelle: Journal of molecular biology [J Mol Biol] 2025 Dec 01; Vol. 437 (23), pp. 169347. Date of Electronic Publication: 2025 Jul 14.

Publikationsart: Journal Article

Info zur Zeitschrift: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 2985088R Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1089-8638 (Electronic) Linking ISSN: 00222836 NLM ISO Abbreviation: J Mol Biol Subsets: MEDLINE

MeSH-Schlagworte: Histidine*/chemistry , Histidine*/metabolism , Nitrogen Isotopes*/chemistry , Isotope Labeling*/methods, Carbon Isotopes/chemistry ; Humans ; Proto-Oncogene Proteins p21(ras)/chemistry ; Proto-Oncogene Proteins p21(ras)/metabolism ; Nuclear Magnetic Resonance, Biomolecular ; Magnetic Resonance Spectroscopy

Critical evaluation of internal and external calibration methods for accurate strontium isotope ratio determination.

Autoren: Tchaikovsky A Tobias B Berner M et al.

Quelle: Analytica chimica acta [Anal Chim Acta] 2026 Jan 01; Vol. 1381, pp. 344783. Date of Electronic Publication: 2025 Oct 17.

Publikationsart: Journal Article

Info zur Zeitschrift: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 0370534 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-4324 (Electronic) Linking ISSN: 00032670 NLM ISO Abbreviation: Anal Chim Acta Subsets: MEDLINE

MeSH-Schlagworte: Strontium Isotopes*/analysis, Calibration ; Humans ; Nitrogen Isotopes/analysis ; Dental Enamel/chemistry ; Mass Spectrometry

Stable Isotope Abundance Patterns as Potential Biosignatures.

Autoren: Des Marais DJ Caro T Dhingra R et al.

Quelle: Astrobiology [Astrobiology] 2025 Aug; Vol. 25 (8), pp. 537-549. Date of Electronic Publication: 2025 Aug 06.

Publikationsart: News

Info zur Zeitschrift: Publisher: Mary Ann Liebert, Inc Country of Publication: United States NLM ID: 101088083 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1557-8070 (Electronic) Linking ISSN: 15578070 NLM ISO Abbreviation: Astrobiology Subsets: MEDLINE

MeSH-Schlagworte: Exobiology*/methods , Isotopes*/analysis, Carbon Isotopes/analysis ; Minerals/chemistry ; Sulfur Isotopes/analysis

Stable isotope evidence for the participation of commoners in Inka khipu production.

Autoren: Hyland S Lee K Koon H et al.

Quelle: Science advances [Sci Adv] 2025 Aug 15; Vol. 11 (33), pp. eadv1950. Date of Electronic Publication: 2025 Aug 13.

Publikationsart: Journal Article; Historical Article

Info zur Zeitschrift: Publisher: American Association for the Advancement of Science Country of Publication: United States NLM ID: 101653440 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2375-2548 (Electronic) Linking ISSN: 23752548 NLM ISO Abbreviation: Sci Adv Subsets: MEDLINE

MeSH-Schlagworte: Hair*/chemistry , Isotopes*/analysis, Humans ; Male ; Nitrogen Isotopes/analysis ; Mass Spectrometry ; Carbon Isotopes/analysis

Oxygenation and Alkalinity Drive the Lacustrine Nitrogen Isotope Record Throughout the Past 3.2 Billion Years.

Autoren: Velazquez D Sheldon ND Hren MT et al.

Quelle: Geobiology [Geobiology] 2025 Sep-Oct; Vol. 23 (5), pp. e70033.

Publikationsart: Journal Article

Info zur Zeitschrift: Publisher: Wiley Country of Publication: England NLM ID: 101185472 Publication Model: Print Cited Medium: Internet ISSN: 1472-4669 (Electronic) Linking ISSN: 14724669 NLM ISO Abbreviation: Geobiology Subsets: MEDLINE

MeSH-Schlagworte: Geologic Sediments*/chemistry , Nitrogen Isotopes*/analysis , Oxygen*/analysis , Lakes*/chemistry, Carbon Isotopes/analysis ; Hydrogen-Ion Concentration ; Nitrogen

Potential metabolic records in isotope signals of chondrichthyan hard tissues.

Autoren: Díaz-Delgado E Chung MT Magozzi S et al.

Quelle: Journal of fish biology [J Fish Biol] 2025 Sep; Vol. 107 (3), pp. 1001-1017. Date of Electronic Publication: 2025 Jun 11.

Publikationsart: Journal Article

Info zur Zeitschrift: Publisher: Blackwell Publishing Country of Publication: England NLM ID: 0214055 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1095-8649 (Electronic) Linking ISSN: 00221112 NLM ISO Abbreviation: J Fish Biol Subsets: MEDLINE

MeSH-Schlagworte: Carbon Isotopes*/analysis , Elasmobranchii*/metabolism , Cartilage*/metabolism , Cartilage*/chemistry, Animals ; Oxygen Isotopes/analysis ; Tooth/chemistry ; Jaw/chemistry ; Spine/chemistry ; Spine/metabolism ; Carbonates

Enamel carbon, oxygen, and strontium isotopes reveal limited mobility in an extinct rhinoceros at Ashfall Fossil Beds, Nebraska, USA.

Autoren: Ward CT Crowley BE Secord R

Quelle: Scientific reports [Sci Rep] 2025 Apr 04; Vol. 15 (1), pp. 11651. Date of Electronic Publication: 2025 Apr 04.

Publikationsart: Journal Article

Info zur Zeitschrift: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE

MeSH-Schlagworte: Fossils* , Dental Enamel*/chemistry , Perissodactyla*/physiology , Strontium Isotopes*/analysis , Oxygen*/analysis, Animals ; Nebraska ; Carbon Isotopes/analysis ; Oxygen Isotopes/analysis ; Extinction, Biological ; Ecosystem

Carbon stable isotope values in hair are associated with added sugar intake in adults but not young children: a cross-sectional study.

Autoren: Smethers AD Fisher JO Carney EM et al.

Quelle: The American journal of clinical nutrition [Am J Clin Nutr] 2025 Apr; Vol. 121 (4), pp. 900-909. Date of Electronic Publication: 2025 Feb 18.

Publikationsart: Journal Article; Observational Study

Info zur Zeitschrift: Publisher: Elsevier Country of Publication: United States NLM ID: 0376027 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1938-3207 (Electronic) Linking ISSN: 00029165 NLM ISO Abbreviation: Am J Clin Nutr Subsets: MEDLINE

MeSH-Schlagworte: Carbon Isotopes*/analysis , Diet* , Dietary Sugars*/administration & dosage , Hair*/chemistry, Adult ; Animals ; Child ; Child, Preschool ; Female ; Humans ; Male ; Cross-Sectional Studies ; Milk ; Nitrogen Isotopes/analysis ; Sugar-Sweetened Beverages

Tracing contamination in mining areas through sulfur and oxygen isotopes in groundwater sulfates: a case study from the Apuan Alps (Italy).

Autoren: Natali S Franceschi L Giannecchini R et al.

Quelle: Environmental geochemistry and health [Environ Geochem Health] 2025 Jun 05; Vol. 47 (7), pp. 249. Date of Electronic Publication: 2025 Jun 05.

Publikationsart: Journal Article

Info zur Zeitschrift: Publisher: Kluwer Academic Publishers Country of Publication: Netherlands NLM ID: 8903118 Publication Model: Electronic Cited Medium: Internet ISSN: 1573-2983 (Electronic) Linking ISSN: 02694042 NLM ISO Abbreviation: Environ Geochem Health Subsets: MEDLINE

MeSH-Schlagworte: Groundwater*/chemistry , Groundwater*/analysis , Sulfur Isotopes*/analysis , Mining* , Sulfates*/analysis , Water Pollutants, Chemical*/analysis , Environmental Monitoring*/methods, Oxygen Isotopes/analysis ; Italy

The North American Repository for Archaeological Isotopes.

Autoren: Billings TN Scott E Cocozza C et al.

Quelle: Scientific data [Sci Data] 2025 Jan 11; Vol. 12 (1), pp. 50. Date of Electronic Publication: 2025 Jan 11.

Publikationsart: Journal Article; Dataset

Info zur Zeitschrift: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101640192 Publication Model: Electronic Cited Medium: Internet ISSN: 2052-4463 (Electronic) Linking ISSN: 20524463 NLM ISO Abbreviation: Sci Data Subsets: MEDLINE

MeSH-Schlagworte: Archaeology* , Isotopes*, Humans ; Nitrogen Isotopes/analysis ; Animals ; North America ; Carbon Isotopes/analysis ; Oxygen Isotopes/analysis ; Strontium Isotopes/analysis ; Plants/chemistry

Earliest evidence of sedentism in the Antilles: Multiple isotope data from Canímar Abajo, Cuba.

Autoren: Chinique de Armas Y Hernández Godoy ST Viera Sanfiel LM et al.

Quelle: Proceedings of the National Academy of Sciences of the United States of America [Proc Natl Acad Sci U S A] 2025 Jan 07; Vol. 122 (1), pp. e2413963121. Date of Electronic Publication: 2024 Dec 23.

Publikationsart: Journal Article; Historical Article

Info zur Zeitschrift: Publisher: National Academy of Sciences Country of Publication: United States NLM ID: 7505876 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1091-6490 (Electronic) Linking ISSN: 00278424 NLM ISO Abbreviation: Proc Natl Acad Sci U S A Subsets: MEDLINE

MeSH-Schlagworte: Strontium Isotopes*/analysis, Humans ; Cuba ; Dental Enamel/chemistry ; History, Ancient ; Oxygen Isotopes/analysis ; Archaeology ; Isotopes/analysis

Oxygen isotope fractionation during anaerobic ammonium oxidation by the marine representative Candidatus Scalindua sp.

Autoren: Kobayashi K Nishina K Fukushima K et al.

Quelle: The ISME journal [ISME J] 2025 Jan 02; Vol. 19 (1).

Publikationsart: Journal Article

Info zur Zeitschrift: Publisher: Oxford University Press Country of Publication: England NLM ID: 101301086 Publication Model: Print Cited Medium: Internet ISSN: 1751-7370 (Electronic) Linking ISSN: 17517362 NLM ISO Abbreviation: ISME J Subsets: MEDLINE

MeSH-Schlagworte: Oxygen Isotopes*/analysis , Oxygen Isotopes*/metabolism , Ammonium Compounds*/metabolism, Oxidation-Reduction ; Anaerobiosis ; Nitrogen Isotopes/analysis ; Nitrogen Isotopes/metabolism ; Seawater/microbiology ; Nitrogen/metabolism

Identifying the vintage of French wine using stable isotopes, elemental fingerprints, and a data-driven but explainable approach.

Autoren: Yu H Chu Y Bian X et al.

Quelle: Food chemistry [Food Chem] 2025 Feb 01; Vol. 464 (Pt 3), pp. 141907. Date of Electronic Publication: 2024 Nov 04.

Publikationsart: Journal Article

Info zur Zeitschrift: Publisher: Elsevier Applied Science Publishers Country of Publication: England NLM ID: 7702639 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-7072 (Electronic) Linking ISSN: 03088146 NLM ISO Abbreviation: Food Chem Subsets: MEDLINE

MeSH-Schlagworte: Wine*/analysis , Vitis*/chemistry , Vitis*/growth & development , Carbon Isotopes*/analysis, France ; Oxygen Isotopes/analysis ; Ethanol/analysis ; Ethanol/chemistry ; Fruit/chemistry ; Fruit/growth & development ; Glycine/analysis ; Glycine/chemistry

Quantifying euryhaline histories in red drum Sciaenops ocellatus: Scale isotope ratios.

Autoren: Taulbee EJ Walther BD

Quelle: Journal of fish biology [J Fish Biol] 2024 Nov; Vol. 105 (5), pp. 1377-1387. Date of Electronic Publication: 2023 Aug 07.

Publikationsart: Journal Article

Info zur Zeitschrift: Publisher: Blackwell Publishing Country of Publication: England NLM ID: 0214055 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1095-8649 (Electronic) Linking ISSN: 00221112 NLM ISO Abbreviation: J Fish Biol Subsets: MEDLINE

MeSH-Schlagworte: Carbon Isotopes*/analysis , Nitrogen Isotopes*/analysis , Animal Migration*, Animals ; Gulf of Mexico ; Muscles/chemistry ; Oxygen Isotopes/analysis ; Perciformes ; Estuaries

Stable isotopes demonstrate seasonally stable benthic-pelagic coupling as newly fixed nutrients are rapidly transferred through food chains in an estuarine fish community.

Autoren: Cobain MRD McGill RAR Trueman CN

Quelle: Journal of fish biology [J Fish Biol] 2024 Nov; Vol. 105 (5), pp. 1406-1420. Date of Electronic Publication: 2022 Feb 25.

Publikationsart: Journal Article

Info zur Zeitschrift: Publisher: Blackwell Publishing Country of Publication: England NLM ID: 0214055 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1095-8649 (Electronic) Linking ISSN: 00221112 NLM ISO Abbreviation: J Fish Biol Subsets: MEDLINE

MeSH-Schlagworte: Food Chain* , Nitrogen Isotopes*/analysis , Seasons* , Carbon Isotopes*/analysis , Estuaries* , Fishes*/metabolism , Phytoplankton*, Animals ; Sulfur Isotopes/analysis

Mercury Stable Isotopes Reveal the Vertical Distribution and Trophic Ecology of Deep-Pelagic Organisms over the North-East Atlantic Ocean Continental Slope.

Autoren: Médieu A Spitz J Point D et al.

Quelle: Environmental science & technology [Environ Sci Technol] 2024 Oct 22; Vol. 58 (42), pp. 18733-18743. Date of Electronic Publication: 2024 Oct 11.

Publikationsart: Journal Article

Info zur Zeitschrift: Publisher: American Chemical Society Country of Publication: United States NLM ID: 0213155 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1520-5851 (Electronic) Linking ISSN: 0013936X NLM ISO Abbreviation: Environ Sci Technol Subsets: MEDLINE

MeSH-Schlagworte: Mercury*/analysis , Mercury Isotopes*, Atlantic Ocean ; Animals ; Ecosystem ; Fishes ; Food Chain ; Carbon Isotopes ; Ecology ; Nitrogen Isotopes/analysis

Enhancing the reconstruction of the Gabasa Neandertal's diet using Ca and Sr stable isotopes.

Autoren: Dodat PJ Guiserix D Jaouen K et al.

Quelle: Journal of human evolution [J Hum Evol] 2025 Oct; Vol. 207, pp. 103747. Date of Electronic Publication: 2025 Sep 12.

Publikationsart: Journal Article

Info zur Zeitschrift: Publisher: Academic Press Country of Publication: England NLM ID: 0337330 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1095-8606 (Electronic) Linking ISSN: 00472484 NLM ISO Abbreviation: J Hum Evol Subsets: MEDLINE

MeSH-Schlagworte: Neanderthals*/physiology , Diet* , Calcium Isotopes*/analysis , Strontium Isotopes*/analysis, Animals ; Spain ; Fossils ; Bone and Bones/chemistry

Oak tree-ring carbon stable isotopes from eastern Europe reveal significant drought signals along elevational gradients.

Autoren: Sochová I Kolář T Koňasová E et al.

Quelle: The Science of the total environment [Sci Total Environ] 2024 Dec 10; Vol. 955, pp. 177114. Date of Electronic Publication: 2024 Nov 02.

Publikationsart: Journal Article

Info zur Zeitschrift: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 0330500 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-1026 (Electronic) Linking ISSN: 00489697 NLM ISO Abbreviation: Sci Total Environ Subsets: MEDLINE

MeSH-Schlagworte: Quercus* , Carbon Isotopes*/analysis , Droughts* , Altitude*, Slovakia ; Oxygen Isotopes/analysis ; Climate Change ; Trees ; Climate ; Environmental Monitoring

A synergistic solution for fighting fraudulent practices in squid using light stable isotope ratios and lanthanide tracers.

Autoren: Varrà MO Husáková L Iacumin P et al.

Quelle: Food chemistry [Food Chem] 2024 Nov 30; Vol. 459, pp. 140303. Date of Electronic Publication: 2024 Jul 10.

Publikationsart: Journal Article; Evaluation Study

Info zur Zeitschrift: Publisher: Elsevier Applied Science Publishers Country of Publication: England NLM ID: 7702639 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-7072 (Electronic) Linking ISSN: 03088146 NLM ISO Abbreviation: Food Chem Subsets: MEDLINE

MeSH-Schlagworte: Decapodiformes*/chemistry , Mass Spectrometry* , Seafood*/analysis , Carbon Isotopes*/analysis , Lanthanoid Series Elements*/chemistry , Lanthanoid Series Elements*/analysis, Animals ; Mediterranean Sea ; Atlantic Ocean ; Nitrogen Isotopes/analysis ; Food Contamination/analysis ; Food Contamination/prevention & control