Arsenic in the Evolution of Earth and Extraterrestrial Ecosystems
Abstract
If you were asked to speculate about the form extra-terrestrial life on Mars might take, which geomicrobial phenomenon might you select as a model system, assuming that life on Mars would be ‘primitive’? Give your reasons. At the end of my senior year at Rensselaer Polytechnic Institute in 1968, I took Professor Ehrlich's final for his Geomicrobiology course. The above question beckoned to me like the Sirens to Odysseus, for if I answered, it would take so much time and thought that I would never get around to the exam's other essay questions and consequently, would be “shipwrecked” by flunking the course. So, I passed it up. With this 41-year perspective in mind, this manuscript is now submitted to Professor Ehrlich for (belated) “extra-credit.” R.S. Oremland
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The synthesized MnO2 spheres can be efficiently recovered for reuse by a microfiltration process with limited membrane pore blocking owing to the microstructure of the material.
“In addition, the synthesized MnO2 spheres can be efficiently recovered for their reuse by a microfiltration process with limited membrane pore blocking owing to the microstructure of the material.”
From Arsenic Contamination of Groundwater: A Review of Sources, Prevalence, Health Risks, and Strategies for Mitigation (2014) · cites this paper as [195]
Zhang and Sun invented multifunctional micro/nanostructured MnO2 spheres and applied them in removal of arsenic species from groundwater; batch experiments revealed that AsIII species can be effectively oxidized by the synthesized MnO2 followed by adsorption of AsV species.
“Zhang and Sun, 2013 [195], invented multifunctional micro/nanostructured MnO2 spheres successfully and applied them in the removal process of As species from groundwater. Batch experiments revealed that AsIII species can be effectively oxidized by the synthesized MnO2 followed by the adsorption of AsV species.”
From Arsenic Contamination of Groundwater: A Review of Sources, Prevalence, Health Risks, and Strategies for Mitigation (2014) · cites this paper as [195]
Cites
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Near-surface wetland sediments as a source of arsenic release to ground water in Asia
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Shankar, S., Shanker, U., & Shikha (2014) · The Scientific World Journal · doi:10.1155/2014/304524 · Cited by 616 · see citing works
Earth Abides Arsenic Biotransformations
Zhu, Y.-G., Yoshinaga, M., Zhao, F.-J., & Rosen, B. P. (2014) · Annual Review of Earth and Planetary Sciences · doi:10.1146/annurev-earth-060313-054942 · Cited by 550 · see citing works
- Authors
- Oremland, R. S., Saltikov, C. W., Wolfe-Simon, F., & Stolz, J. F.
- Affiliations
- United States Geological Survey (US)
- University of California, Santa Cruz (US)
- Duquesne University (US)
- Venue
- Geomicrobiology Journal
- Publisher
- Informa UK Limited
- Published
- 2009-09-24
- Volume
- 26
- Issue
- 7
- Pages
- 522-536
- ISSN
- 0149-0451 (ISSN-L)
- 1521-0529
- OpenAlex
- W2145734299
- Cited by
- 134
- References
- 6
- Citations by year
- 2026: 1 · 2025: 6 · 2024: 3 · 2023: 7 · 2022: 12 · 2021: 11 · 2020: 12 · 2019: 8 · 2018: 7 · 2017: 8 · 2016: 7 · 2015: 9 · 2014: 18 · 2013: 10 · 2012: 5
- FWCI
- 2.52
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Geomicrobiology Journal (publishedVersion)
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Planetary Science and Exploration
- Physical Sciences › Environmental Science › Environmental Chemistry › Arsenic contamination and mitigation
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Space Science and Extraterrestrial Life
- Keywords
- arsenic, geomicrobiology, extraterrestrial life, Mars, primitive life, arsenate reduction, microbial evolution, biosphere, astrobiology
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