Graduate Students

I study environmental controls on the bioavailability of arsenic and toxic metals, investigating how environmental processes controlling the speciation and distribution of contaminants are linked to contaminant bioaccessibility in mine tailing sites.

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I use QSPR to predict per- and polyfluoroalkyl substances (PFAS) adsorption to carbonaceous materials.

My research focuses on microbial soil contamination and potential health risks due to historic sewage overflows in the bordertown of Naco, Arizona. I also work on qualitative research for Project Harvest, where I assess environmental self- and community efficacy among Spanish-speaking participants.

My research focuses in studying the interaction between the environment and the microbial communities and how it affects carbon and nutrient cycling. My work involves the use of "omics", specially metabolomics, and bioinformatic tools to better understand the biochemical processes that occur in natural ecosystems.

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My research focuses on contaminant transport and its effect on pore-scale fluid flow.

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My research in the contaminant transport lab involves the study of Uranium transport through fractured rock cores. I am designing a column experiment to track the movement of Uranium as groundwater flows through fresh fractures in rock cores from Livermore, CA. In addition to rock, I will also be conducting a similar experiment with sediments from Northern Arizona, and comparing the transport properties of these porous media.

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My research is at the intersection of environmental justice, pollution and public health. I am interested in researching how the impact of heavy metals exposure on the health of communities living in mining communities.

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Panamanian Ph.D. student, working on contaminant transport in mine tailings with Dr. Jon Chorover and Dr. Bo Guo.
Fulbright Alumni 2020 - 2022

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My research will focus on understanding the effects of disturbance and stress on ecosystems, especially on thawing permafrost and arid soils. I will use multi-omic approaches to study the changes in carbon fluxes and microbial composition.

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My research examines the biophysiochemical characteristics and soil health indices of various soil materials in southern Arizona to understand the effects of long term burial and stockpiling on soil health and quality. These materials include both natural and stockpile materials that may potentially be used as capping material on copper mine sites to control dust emissions and enhance vegetation establishment during site reclamation.

My research in Tfaily Lab will revolve around understanding the relationship between microbial community composition, their metabolic activity, and the effect of environmental change on organic matter. I will also address the biotic effect (microbial life, non-vascular and vascular plant life) on hydrology and geochemistry. My research will use a full “omics” approach to understand gene to ecosystem functioning.

I investigate the interactions between plants and soil microorganisms​ to better understand their input in the successful remediation and restoration of anthropogenically disturbed habitats. I am particularly interested in adaptation of plants to unfavorable and changing conditions at metalliferous sites, as well as in genetic and physiological mechanisms underlying metal-tolerance and metal-hyperaccumulation traits.

My primary research interest is in the intersection between endophytic fungi and the chemical environment of their hosts. My research centers on using metabolomics, genomics, and molecular biology to identify the genetic basis for microbial functional traits. I hopes to then use this knowledge to better understand patterns of microbial community assembly, biodiversity, nutrient cycling, and ecosystem function.

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My research will be looking at the impact of microplastics in soil systems and the influences that these contaminants confer. Further, I'll be looking at the abiotic morphological processes necessary for microplastics to undergo in soil systems to be available for biodegradation.

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My research is on phytoremediation.

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I am using metabolomics and metagenomics to uncover the microbial impacts of invasive plants on soil health and native plant fitness.

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My research focuses on contaminant chemistry.

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I am a bioinformatician and microecologist currently experimenting with the effectiveness of microbial inoculants in promoting plant growth and soil aggregation. I am interested in the plant-soil-microbial interface. 

The working title of my dissertation research is "Examination of Root Border Cells in Medicinal Plants Exposed to Heavy Metals and their Antibiotic Resistance of the Rhizosphere."

I am interested on the communities of microorganisms that inhabit the soil and their relationship with soil processes and ecosystem services. My goal is to study these communities, their structure, dynamics and ecology to learn about their role in arid ecosystems.

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Research

"Contaminant Behavior in the Indige-FEWSS nexus: Addressing the concentration- discharge relationship in the Little Bighorn River watershed, Crow Reservation, Montana"

I conduct interdisciplinary work in soil science/pedology, geosciences, and anthropology. I'm specifically interested in reconstructing Quaternary paleoenvironments, better understanding prehistoric human-ecosystem interactions, and deciphering the ways in which landscape dynamics alter the archaeological record."

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I investigate the change of microbial community in restoration of dryland habitats to understand the interaction between microbial community and desert plants.