Igrid R. Gregory

Center for Environmental Health — United States

Environmental Science · Physical Sciences

7h-index1.3kcitations10works0.02yr avg
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Research Topics

Wastewater Treatment and Nitrogen Removal(9), Water Treatment and Disinfection(3), Microbial Community Ecology and Physiology(3), Environmental DNA in Biodiversity Studies(3), Microbial Fuel Cells and Bioremediation(2)

Publications10 total

Molecular assessment of ammonia- and nitrite-oxidizing bacteria in full-scale activated sludge wastewater treatment plants
Water Science & Technology·2003· 29 citedOpen Access
Power Analysis for Real-Time PCR Quantification of Genes in Activated Sludge and Analysis of the Variability Introduced by DNA Extraction
Applied and Environmental Microbiology·2003· 107 citedOpen Access
Real-Time PCR Quantification of Nitrifying Bacteria in a Municipal Wastewater Treatment Plant
Environmental Science & Technology·2002· 514 cited
Quantification of <i>Nitrosomonas oligotropha</i> and <i>Nitrospira</i> spp. Using Competitive Polymerase Chain Reaction in Bench‐Scale Wastewater Treatment Reactors Operating at Different Solids Retention Times
Water Environment Research·2002· 33 citedOpen Access
Quantification of <i>Nitrosomonas oligotropha</i> -Like Ammonia-Oxidizing Bacteria and <i>Nitrospira</i> spp. from Full-Scale Wastewater Treatment Plants by Competitive PCR
Applied and Environmental Microbiology·2002· 426 citedOpen Access
Quantification of Ammonia- and Nitrite-oxidizing bacteria using competitive PCR in Bench Scale Wastewater Treatment Reactors at Different Biological Solids Retention Times
Proceedings of the Water Environment Federation·2001
Quantification of <i>Hyphomicrobium</i> Populations in Activated Sludge from an Industrial Wastewater Treatment System as Determined by 16S rRNA Analysis
Applied and Environmental Microbiology·2000· 3 citedOpen Access
Quantification of <i>Hyphomicrobium</i> Populations in Activated Sludge from an Industrial Wastewater Treatment System as Determined by 16S rRNA Analysis
Applied and Environmental Microbiology·2000· 130 citedOpen Access
Nucleic acid analytical approaches in bioremediation: site assessment and characterization
Journal of Microbiological Methods·1998· 67 cited
Molecular Analysis and Control of Activated Sludge
1997· 7 cited

Frequent Co-authors

Gary S. Sayler(10), Hebe M. Dionisi(6), Kevin Robinson(6), Astrid Layton(6), Gerda Harms(4), Raymond D. Stapleton(4), Alice C. Layton(3), Curtis A. Lajoie(3), A. J. Meyers(3), Shawn A. Hawkins(2), P. N. Karanth(2), D. E. Taylor(2), Jack Parker(2), Victoria Garrett(1), Steven Ripp(1), Luis Jiménez(1), Sung Cheol-Koh(1), James T. Fleming(1), Janalyn Rae Brown(1), Joshua Parker(1)