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People
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Ariel Anbar:
Research and teaching in the Anbar group reflect my diverse but intertwining interests in biogeochemistry, environmental chemistry, Earth history and astrobiology.
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Research Scientists
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Gwyneth Gordon:
I'm interested in developing new applications of non-traditional stable isotopes (Mo, Fe, Sr, Cu...) to questions in Earth history, archaeology, modern environmental tracers, biomedical studies, forensics or almost anything that could provide relevant and meaningful insights into how our world works. I'm also the person who manages our trace-metal clean lab and the ICP side of our lab.
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Laura Wasylenki:
'Biogeochemistry of metals' is the theme among my diverse research interests, which range from peridotite melting to ocean paleoredox, and from evolution of metal use by bacteria to medicine.
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Postdoctoral Fellows
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Brian Kendall:
Agouron Institute Fellow in Geobiology. Constraining the redox evolution of Earth's atmosphere and oceans using novel heavy stable isotope and trace metal based redox proxies. Development and application of the Re-Os radioisotope system as a deposition-age geochronometer for Precambrian black shales. Current research projects: 635 - 551 Ma Doushantuo Formation (South China), and ~ 2.7-2.5 Ga Agouron cores from the Transvaal Supergroup (South Africa).
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Brian Majestic:
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Graduate Students
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Greg Brennecka:
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Yun Duan:
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Jen(Ni-Fe)r Glass:
Metal requirements for nitrogen assimilation in algae and connection to metal (Mo, Fe, V and Ni) biogeochemical cycles throughout Earth history. [Like the metalloenzyme hydrogenase (and the
Earth), my name has a Ni-Fe center.]
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Jennifer Morgan:
I am a third year graduate student in Chemistry & Biochemistry. I am interested in the relationship between metals and biology.
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Sarah Staton:
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Nahks Tr'Ehnl:
My background includes astronomy/astrophysics and art. Here at ASU I am a first-year masters student interested in a number of topics falling under the broad field of astrobiology.
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Undergraduate Students
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Gabriela Montanez:
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Bryan Rolfe:
I am a sophomore undergraduate student assisting in research with molybdenum fractionation during its adsorption to MnOx. We are currently investigating the effects of temperature, ionic strength, and MnOx mineral types on the fractionation during adsorption.
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Administrative Staffers
Faculty Collaborators
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Jim Elser:
My research involves the study of the balance of energy and multiple chemical elements (esp. C, N, and P) in living systems. Applications include trophic interactions, biogeochemistry, life history evolution, physiological and behavioral ecology, deep paleoecology (Cambrian explosion), and tumor biology.
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Hilairy Hartnett:
I have a long-term interest in all things water related! I started out as an oceanographer, and my group currently investigates dissolved organic compounds in natural aquatic systems. We utilize novel mass spectrometry techniques, field and laboratory experiments to probe the biological/geological/physical processes that transform dissolved organic matter.
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Pierre Herckes:
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Achim Herrmann:
Achim Herrmann earned a Ph.D. in Geosciences from the Pennsylvania State University. He is currently teaching science-focused 'Human Event' seminars in the Barrett Honors College. His current research interests are in the fields of earth systems science and environmental geochemistry.
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Kelly Knudson:
Kelly Knudson is a faculty member in the Center for Bioarchaeological Research in the School of Human Evolution and Social Change. She uses geochemistry to investigate the movement of peoples in the past. She mostly works in Peru, Bolivia and Chile in cemeteries that date from AD 500-1500.
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Everett Shock:
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Visiting Scientists
Alums
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Gail Arnold:
The main focus of my research is the development and application of heavy stable isotopes (Mo & Fe) in conjunction with other elements and elemental ratios towards an understanding of past ocean conditions.
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Ashley Diamond:
I am a junior Molecular Biosciences & Biotechnology major at Arizona State University. As a NASA Space Grant Intern, I am interested in the intersection of Life Sciences and Geosciences. Specifically, I am interested in the genetic regulation of trace metal metabolism.
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Alexandra Flournoy:
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Anthony Michaud:
I manage light stable isotope analysis (C, H, N, O, S) in the Keck Lab. This includes method development, user training, instrument maintenance and interesting pursuits. I am also the contact person for laboratory infrastructure issues.
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Christopher Siebert:
Development and application of non-traditional stable isotope systems in combination with element and element ratio proxies for (paleo-) oceanography and a variety of applications.
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Teidra Williams:
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Felisa Wolfe-Simon:
I apply a background in molecular biology, biochemistry, and phytoplankton physiology to uncover the sequence of events that shaped the evolution of the modern oceans and phytoplankton.
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Research Specialists
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Stan Klonowski:
Along with Natasha Zolotova, I keep the IRMS side of the lab humming. Email me with questions!
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