Principal Faculty Members

Jie
Jie Xu Ph.D.
Associate Professor
jie.xu.gail@asu.edu
532 LSC (temporary)/S63 LSE

Jie is an interdisciplinary scientist aiming to understand the smallest components of Earth and their biogeochemical roles; she is also a passionate educator trying to make science education attractive and thought-provoking. Jie got her doctoral degree from University of Wisconsin-Madison. 

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Postdoctoral Scientists

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Postdoctoral Fellow
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Graduate Students

Hugo
Hugo Alarcon
PhD Student
hvalarcon@miners.utep.edu

Hugo was born in Mexico. He completed a B.S. in Microbiology and an M.S. in Chemistry at UTEP.  Hugo is mostivated to use his multidisciplinary background to help solve some of the complex environmental problems that we face today. Hugo's work focuses on anoxygenic photosynthetic bacteria, especially their interactions with metal sulfide nanostructures.

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Rachel
Rachel Phillips
PhD Student
rfphillips@miners.utep.edu

Rachel is a recipient of the Excellence Fellowship. Rachel's work focuses on the reactivity and fate of moybdate and thiomolybdate in various types of euxinic conditions. 

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Undergraduate Students

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Undergraduate Student
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Alumni

Humayra
Humayra Afrin
PhD Student

Humayra received her M.D. degree from Bangladesh. Her research interest lies in microbiology, especially those thriving in extreme environments.


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Grace
Grace Chong Ph.D.
Postdoctoral Fellow

Grace joined us for a relatively short time in the summer of 2022 from University of Southern California. Grace has helped significantly in the purple sulfur bacteria-metal sulfide work. Her focus was on the strain of Halorhodospira halophila. 

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Matt
Matthew Costa
Masters Student

Co-advised by Lin and Jie. Matt studied the trace metal behavior in the nanoscale components of coal fly ashes using combined geochemical and microbiological approaches.

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Christian Diaz
Undergraduate Student

Christian's work focused on biological Fe-V-sulfide system during his appointment. 

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Erica
Erica Herrera
Undergraduate Student

Erica's work focused on the abiotic sequestration pathways of molybdate under euxinic conditions. 


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Brandon
Brandon Lajoie
Masters Student

Brandon has double majors in Geology and Chemistry and joined us from upper state of Michigna. Brandon's work focused on the relationships of S-cycling bacteria and their mineralogical environment in White Sands and Badwater Basin. 


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Tony Malanche
Undergraduate Student

Tony's work focused on the extraction of nucleic acids from environmental samples and also the amplification of these extracted nucleic acid. 


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Muammar
Muammar Mansor Ph.D.
Postdoctoral Fellow

Muammar was a postdoc in the lab from July 2017 - Nov 2019. Muammar's work focused on the precipitation and transformation of multiple metal-sulfide systems in anoxic low-temperature aqueous condition. Muammar obtained his Ph.D. (specialized in Isotopic Geochemistry and Geomicrobiology) from Penn State.  

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Ezequiel
Ezequiel Moreno
Masters Student

Born and raised in Mexico, Ezequiel moved to the United States just in time for high school, where his passion for the earth sciences flourished. Ezequiel's work focused on capturing the transformation of biogenic versus abiogenic iron-sulfide nanoparticles in anoxic low-temperature aqueous environments.

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Jason Pizzi
Undergraduate Student

Jason worked on analyzing the mineralogical compositions of samples obtained from the White Sands using XRD and SEM. 

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Copyright © Jie Xu 2022. Last updated: 2022-09-09 10 47