Friedfeld, Robert

Stephen F. Austin State University

Affiliations

College of Sciences and Mathematics

Department of Physics, Engineering and Astronomy

NoneFriedfeld, Robert is currently serving as a College Of Sciences And Mathematics faculty at Stephen F. Austin State University.

Honors

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Education

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Friedfeld, Robert

Stephen F. Austin State University

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environmental engineering wastewater treatment environmental science civilizations anthropology archaeology geology water treatment biofilms environmental technology archaeological science ancient mesoamerica archaeological methods latin american antiquity applied microbiology wastewater management latin american archaeology traditional ceramic lake petén itzá central america water pollution petrology geochemistry waste management environmental microbiology plant physiology pedosphere total environment plant soil agronomy soil biology antimicrobial agents municipal wastewater industrial wastewater american archaeology biological waste treatment environmental biotechnology archaeological record phytoremediation soil pollution soil science plant nutrition plant-soil interactions antimicrobial compounds green nanotechnology wastewater treatment plants east texas municipal wastewater sludge maya pottery sherds biofilm-based biomonitoring maya pottery samples biosolid/soil composition greenhouse conditions treated wastewater abstract 2422 silver nanoclusters atomic force microscopy

Notable Scholarly Works

Notable Federal Grants

Collaborators

Abstract 2422 Exploring the Antimicrobial Properties of Silver Nanoclusters and Phytochemicals Against Microbial Biofilms in Treated Wastewater. Journal of Biological Chemistry (2025)

biological engineeringantimicrobial agentschemical engineeringbiofilmswater treatmentsilver nanoclusterswastewater treatmentantimicrobial compoundstreated wastewaterapplied microbiologyabstract 2422green nanotechnology

Biofilm-Based Biomonitoring of Treated Wastewater Using Bacillus Thuringiensis: Toward Sustainable Water Reuse. Sustainability (2025)

environmental technologyapplied microbiologybiofilm-based biomonitoringwastewater managementbiofilmswater treatmentmicrobiologywastewater treatmentenvironmental biotechnologyenvironmental engineeringenvironmental microbiologybiological waste treatment

The Effect of Biosolid/Soil Composition on Growth and Uptake of Zinc (Zn) by Broccoli ( Brassica Oleracea Var.) Under Greenhouse Conditions. Environmental Science Advances (2025)

agricultural economicstotal environmentenvironmental scienceenvironmental degradationgreenhouse conditionssustainable agricultureenvironmental remediationplant physiologysoilplant soilplant-soil interactionsplant nutritionpedospherebiosolid/soil compositionsoil scienceagronomybiogeochemistrybioremediationenvironmental engineeringsoil pollutionphytoremediationsoil biology

Evaluation and Analysis of Perlite and Municipal Wastewater Sludge (Biosolids) From Three Wastewater Treatment Plants in East Texas, USA. Environmental Monitoring and Assessment (2022)

environmental technologywaste managementeast texasindustrial wastewatermunicipal wastewaterwastewater managementenvironmental sciencewastewater treatmentwastewater treatment plantsenvironmental engineeringwater pollutionmunicipal wastewater sludge

Comprehensive Structural and Compositional Investigation of Maya Pottery Sherds From Lake PetéN Itzá, Guatemala, Central America. Journal of Archaeological Science Reports (2021)

archaeological scienceanthropologygeochemistrylatin american archaeologytraditional ceramicmaya pottery sherdspetrologycivilizationsarchaeologylatin american antiquitylake petén itzágeologyarchaeological methodscentral americaamerican archaeologyancient mesoamerica

Structural and Compositional Data of Maya Pottery Samples From Lake PetéN Itzá, Guatemala: Central America. Data in Brief (2021)

archaeological scienceanthropologylatin american archaeologytraditional ceramicmaterial culturearchaeologycivilizationslatin american antiquitylake petén itzágeologyarchaeological methodscentral americaarchaeological recordmaya pottery samplesancient mesoamerica

Atomic Force Microscopy in Zero-G. (2004)

R. FriedfeldS. ParkerG. RodgersR. MeadorR. WilliamsM. JohnsonR. Branly

atomic force microscopyphysicsmicroscopy