![Carbon isotope ratios of endogenous steroids found in human serum—method development, validation, and reference population-derived thresholds | SpringerLink Carbon isotope ratios of endogenous steroids found in human serum—method development, validation, and reference population-derived thresholds | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs00216-021-03439-9/MediaObjects/216_2021_3439_Fig5_HTML.png)
Carbon isotope ratios of endogenous steroids found in human serum—method development, validation, and reference population-derived thresholds | SpringerLink
Direct Carbon Isotope Exchange of Pharmaceuticals via Reversible Decyanation | Journal of the American Chemical Society
![Atmospheric CO2 effect on stable carbon isotope composition of terrestrial fossil archives | Nature Communications Atmospheric CO2 effect on stable carbon isotope composition of terrestrial fossil archives | Nature Communications](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41467-017-02691-x/MediaObjects/41467_2017_2691_Fig1_HTML.jpg)
Atmospheric CO2 effect on stable carbon isotope composition of terrestrial fossil archives | Nature Communications
![Perturbation of the deep-Earth carbon cycle in response to the Cambrian Explosion | Science Advances Perturbation of the deep-Earth carbon cycle in response to the Cambrian Explosion | Science Advances](https://www.science.org/cms/10.1126/sciadv.abj1325/asset/388d95e6-b726-4847-8667-3a84735b6fb8/assets/images/large/sciadv.abj1325-f1.jpg)
Perturbation of the deep-Earth carbon cycle in response to the Cambrian Explosion | Science Advances
![CP - Stalagmite carbon isotopes suggest deglacial increase in soil respiration in western Europe driven by temperature change CP - Stalagmite carbon isotopes suggest deglacial increase in soil respiration in western Europe driven by temperature change](https://cp.copernicus.org/articles/17/1903/2021/cp-17-1903-2021-f06-web.png)
CP - Stalagmite carbon isotopes suggest deglacial increase in soil respiration in western Europe driven by temperature change
![Basic development parameters and stable carbon isotope test results of... | Download Scientific Diagram Basic development parameters and stable carbon isotope test results of... | Download Scientific Diagram](https://www.researchgate.net/publication/346346603/figure/tbl1/AS:962139405692947@1606403318394/Basic-development-parameters-and-stable-carbon-isotope-test-results-of-CBM-wells-in-the.png)
Basic development parameters and stable carbon isotope test results of... | Download Scientific Diagram
![CP - Investigating stable oxygen and carbon isotopic variability in speleothem records over the last millennium using multiple isotope-enabled climate models CP - Investigating stable oxygen and carbon isotopic variability in speleothem records over the last millennium using multiple isotope-enabled climate models](https://cp.copernicus.org/articles/18/1625/2022/cp-18-1625-2022-f03-web.png)
CP - Investigating stable oxygen and carbon isotopic variability in speleothem records over the last millennium using multiple isotope-enabled climate models
![Perhaps the most important isotope': how carbon-14 revolutionised science | History of science | The Guardian Perhaps the most important isotope': how carbon-14 revolutionised science | History of science | The Guardian](https://i.guim.co.uk/img/media/efba110962cf4d5668531bbf336cd08482e4200d/138_0_2118_1271/master/2118.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=08f706e62c1fece7791a24afbb409e63)
Perhaps the most important isotope': how carbon-14 revolutionised science | History of science | The Guardian
![Carbon isotope ratios of endogenous steroids found in human serum—method development, validation, and reference population-derived thresholds | SpringerLink Carbon isotope ratios of endogenous steroids found in human serum—method development, validation, and reference population-derived thresholds | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs00216-021-03439-9/MediaObjects/216_2021_3439_Fig3_HTML.png)
Carbon isotope ratios of endogenous steroids found in human serum—method development, validation, and reference population-derived thresholds | SpringerLink
![Effects of acid treatment on carbon and nitrogen stable isotope ratios in ecological samples: a review and synthesis - Schlacher - 2014 - Methods in Ecology and Evolution - Wiley Online Library Effects of acid treatment on carbon and nitrogen stable isotope ratios in ecological samples: a review and synthesis - Schlacher - 2014 - Methods in Ecology and Evolution - Wiley Online Library](https://besjournals.onlinelibrary.wiley.com/cms/asset/072cb558-8e20-4a32-8ef0-ed1b7e56ce11/mee312183-fig-0002-m.jpg)
Effects of acid treatment on carbon and nitrogen stable isotope ratios in ecological samples: a review and synthesis - Schlacher - 2014 - Methods in Ecology and Evolution - Wiley Online Library
![Agronomy | Free Full-Text | Carbon Isotope Measurements to Determine the Turnover of Soil Organic Matter Fractions in a Temperate Forest Soil Agronomy | Free Full-Text | Carbon Isotope Measurements to Determine the Turnover of Soil Organic Matter Fractions in a Temperate Forest Soil](https://www.mdpi.com/agronomy/agronomy-10-01944/article_deploy/html/images/agronomy-10-01944-g001.png)
Agronomy | Free Full-Text | Carbon Isotope Measurements to Determine the Turnover of Soil Organic Matter Fractions in a Temperate Forest Soil
![Carbon Isotopes Stock Illustrations – 30 Carbon Isotopes Stock Illustrations, Vectors & Clipart - Dreamstime Carbon Isotopes Stock Illustrations – 30 Carbon Isotopes Stock Illustrations, Vectors & Clipart - Dreamstime](https://thumbs.dreamstime.com/b/carbon-isotopes-atomic-structure-elementary-particles-physics-theory-carbon-isotopes-atomic-structure-elementary-particles-214250093.jpg)
Carbon Isotopes Stock Illustrations – 30 Carbon Isotopes Stock Illustrations, Vectors & Clipart - Dreamstime
![PDF] Performance characteristics of a carbon isotope ratio method for detecting doping with testosterone based on urine diols: controls and athletes with elevated testosterone/epitestosterone ratios. | Semantic Scholar PDF] Performance characteristics of a carbon isotope ratio method for detecting doping with testosterone based on urine diols: controls and athletes with elevated testosterone/epitestosterone ratios. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/049b1b4f937c210facbffdf5bdc02881005df08f/3-Figure1-1.png)
PDF] Performance characteristics of a carbon isotope ratio method for detecting doping with testosterone based on urine diols: controls and athletes with elevated testosterone/epitestosterone ratios. | Semantic Scholar
![The curious consistency of carbon biosignatures over billions of years of Earth-life coevolution | The ISME Journal The curious consistency of carbon biosignatures over billions of years of Earth-life coevolution | The ISME Journal](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41396-021-00971-5/MediaObjects/41396_2021_971_Fig1_HTML.png)
The curious consistency of carbon biosignatures over billions of years of Earth-life coevolution | The ISME Journal
![Can we use carbon isotopes to tell us about past levels of CO<sub>2</sub> in the atmosphere?...by Barry Lomax and Melanie Leng Can we use carbon isotopes to tell us about past levels of CO<sub>2</sub> in the atmosphere?...by Barry Lomax and Melanie Leng](https://3.bp.blogspot.com/-5AxYI2-wEtg/XFhM99csjYI/AAAAAAAACtc/m_u5qyM07lUVLZCZLH5aQAzQqHb7RyXSQCLcBGAs/s1600/Carbon%2BCycle.png)