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Your search keyword '"Crosbie, Nicholas D."' showing total 18 results
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18 results on '"Crosbie, Nicholas D."'

5. A National Wastewater Monitoring Program for a better understanding of public health: A case study using the Australian Census

Author

O'Brien, Jake W., Grant, Sharon, Banks, Andrew P.W., Bruno, Raimondo, Carter, Stephen, Choi, Phil M., Covaci, Adrian, Crosbie, Nicholas D., Gartner, Coral, Hall, Wayne, Jiang, Guangming, Kaserzon, Sarit, Kirkbride, K. Paul, Lai, Foon Yin, Mackie, Rachel, Marshall, Judi, Ort, Christoph, Paxman, Christopher, Prichard, Jeremy, Thai, Phong, Thomas, Kevin V., Tscharke, Ben, and Mueller, Jochen F.

Published
2019
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7. The role of microbial ecology in improving the performance of anaerobic digestion of sewage sludge

Author

Krohn, Christian, primary, Khudur, Leadin, additional, Dias, Daniel Anthony, additional, van den Akker, Ben, additional, Rees, Catherine A., additional, Crosbie, Nicholas D., additional, Surapaneni, Aravind, additional, O'Carroll, Denis M., additional, Stuetz, Richard M., additional, Batstone, Damien J., additional, and Ball, Andrew S., additional

Published
2022
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10. The Variation in Groundwater Microbial Communities in an Unconfined Aquifer Contaminated by Multiple Nitrogen Contamination Sources

Author

Morrissy, Justin G., primary, Currell, Matthew J., additional, Reichman, Suzie M., additional, Surapaneni, Aravind, additional, Megharaj, Mallavarapu, additional, Crosbie, Nicholas D., additional, Hirth, Daniel, additional, Aquilina, Simon, additional, Rajendram, William, additional, and Ball, Andrew S., additional

Published
2022
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11. Improvement of Log Reduction Values Design Equations for Helminth Egg Management in Recycled Water

Author

Stevens, Daryl P., primary, Daniel, Vivek, additional, Shahsavari, Esmaeil, additional, Aburto-Medina, Arturo, additional, Soni, Sarvesh K., additional, Khudur, Leadin S., additional, Khallaf, Basma, additional, Surapaneni, Aravind, additional, Schmidt, Jonathan, additional, Keegan, Alexandra, additional, Crosbie, Nicholas D., additional, Blackbeard, Judy, additional, Hampton, James, additional, Deere, Dan, additional, O’Connor, Nick, additional, and Ball, Andrew S., additional

Published
2021
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17. Dispersal and phylogenetic diversity of nonmarine picocyanobacteria, inferred from 16S rRNA gene and cpcBA-intergenic spacer sequence analyses

Author

Crosbie, Nicholas D., Pockl, Matthias, and Weisse, Thomas

Subjects
Operons -- Genetic aspects, Operons -- Physiological aspects, Ribosomal RNA -- Genetic aspects, Cyanobacteria -- Physiological aspects, Cyanobacteria -- Genetic aspects, Cyanobacteria -- Environmental aspects, Phylogeny -- Analysis, Microbial populations -- Environmental aspects, Microbial populations -- Genetic aspects, Microbial populations -- Physiological aspects, Microbiology -- Research, Microbiology -- Environmental aspects, Biological sciences
Abstract

Research has been conducted on nonmarine picocyanobacteria. The authors have sequenced Synechococcus and Cyanobium isolates for their 16S rRNA gene and phycocyanin operon, and they report the existence of the clusters of nonmarine picocyanobacteria within the picoplankton clade.

Published
2003

18. The role of microbial ecology in improving the performance of anaerobic digestion of sewage sludge

Author

Christian Krohn, Leadin Khudur, Daniel Anthony Dias, Ben van den Akker, Catherine A. Rees, Nicholas D. Crosbie, Aravind Surapaneni, Denis M. O'Carroll, Richard M. Stuetz, Damien J. Batstone, Andrew S. Ball, Krohn, Christian, Khudur, Leadin, Dias, Daniel Anthony, van den Akker, Ben, Rees, Catherine A, Crosbie, Nicholas D, Surapaneni, Aravind, O'Carroll, Denis M, Stuetz, Richard M, Batstone, Damien J, and Ball, Andrew S

Subjects
Microbiology (medical), meta-omics, foaming, biosolids, circular economy, biomarker, Microbiology
Abstract

Refereed/Peer-reviewed The use of next-generation diagnostic tools to optimise the anaerobic digestion of municipal sewage sludge has the potential to increase renewable natural gas recovery, improve the reuse of biosolid fertilisers and help operators expand circular economies globally. This review aims to provide perspectives on the role of microbial ecology in improving digester performance in wastewater treatment plants, highlighting that a systems biology approach is fundamental for monitoring mesophilic anaerobic sewage sludge in continuously stirred reactor tanks. We further highlight the potential applications arising from investigations into sludge ecology. The principal limitation for improvements in methane recoveries or in process stability of anaerobic digestion, especially after pre-treatment or during co-digestion, are ecological knowledge gaps related to the front-end metabolism (hydrolysis and fermentation). Operational problems such as stable biological foaming are a key problem, for which ecological markers are a suitable approach. However, no biomarkers exist yet to assist in monitoring and management of clade-specific foaming potentials along with other risks, such as pollutants and pathogens. Fundamental ecological principles apply to anaerobic digestion, which presents opportunities to predict and manipulate reactor functions. The path ahead for mapping ecological markers on process endpoints and risk factors of anaerobic digestion will involve numerical ecology, an expanding field that employs metrics derived from alpha, beta, phylogenetic, taxonomic, and functional diversity, as well as from phenotypes or life strategies derived from genetic potentials. In contrast to addressing operational issues (as noted above), which are effectively addressed by whole population or individual biomarkers, broad improvement and optimisation of function will require enhancement of hydrolysis and acidogenic processes. This will require a discovery-based approach, which will involve integrative research involving the proteome and metabolome. This will utilise, but overcome current limitations of DNA-centric approaches, and likely have broad application outside the specific field of anaerobic digestion.

Published
2022
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