Zhiqiang Hu

Publications192
h-index34
Citations6,063
Highly Influential Citations314
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Size dependent and reactive oxygen species related nanosilver toxicity to nitrifying bacteria.
The intrinsic slow growth of nitrifying bacteria and their high sensitivity to environmental perturbations often result in cell growth inhibition by toxicants. Nanoparticles are of great concern to… Expand
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The inhibitory effects of silver nanoparticles, silver ions, and silver chloride colloids on microbial growth.
Emerging nanomaterials are of great concern to wastewater treatment utilities and the environment. The inhibitory effects of silver nanoparticles (Ag NPs) and other important Ag species on microbial… Expand
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Bacterial response to a shock load of nanosilver in an activated sludge treatment system.
The growing release of nanosilver into sewage systems has increased the concerns on the potential adverse impacts of silver nanoparticles (AgNPs) in wastewater treatment plants. The inhibitory… Expand
  • 152
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Interactions of nanosilver with Escherichia coli cells in planktonic and biofilm cultures.
Biofilms are often more resistant to toxic chemicals such as heavy metals and antimicrobial agents than planktonic cells. Nanosilver has a broad range of applications with strong antimicrobial… Expand
  • 196
  • 14
Role of sulfide and ligand strength in controlling nanosilver toxicity.
Nanosilver has been used broadly in nanotechnology enhanced consumer products because of its strong antimicrobial properties. Silver nanoparticles (AgNPs) released from these products will likely… Expand
  • 285
  • 11
Ammonia-oxidizing archaea involved in nitrogen removal.
Ammonia oxidation is critical to global nitrogen cycling and is often thought to be driven only by ammonia-oxidizing bacteria. The recent finding of new ammonia-oxidizing organisms belonging to the… Expand
  • 149
  • 11
Impact of metal sorption and internalization on nitrification inhibition.
The goal of this study was to explore the relationship between metal extracellular sorption, intracellular accumulation, and nitrification inhibition. Metal sorption on nitrifying biomass was rapid… Expand
  • 142
  • 10
Potential nanosilver impact on anaerobic digestion at moderate silver concentrations.
Silver nanoparticles (AgNPs, nanosilver) entering the sewers and wastewater treatment plants (WWTPs) are mostly accumulated in the sludge. In this study, we determined the impact of AgNPs on… Expand
  • 102
  • 10
Nitrogen removal from wastewater using membrane aerated microbial fuel cell techniques.
Nitrogen removal mainly relies on sequential nitrification and denitrification in wastewater treatment. Microbial fuel cells (MFCs) are innovative wastewater treatment techniques for pollution… Expand
  • 67
  • 9
Effect of nickel and cadmium speciation on nitrification inhibition.
Heavy metals have been postulated to cause significant nitrification inhibition. Using biomass from a well-controlled continuously operated lab-scale nitrifying bioreactor, the effect of nickel and… Expand
  • 124
  • 8