A5061721654- Bacteriophages and microbial interactions
- Wastewater Treatment and Nitrogen Removal
- Microbial Community Ecology and Physiology
- Microbial Fuel Cells and Bioremediation
- Membrane Separation Technologies
- Microbial infections and disease research
- Microbial bioremediation and biosurfactants
- Supercapacitor Materials and Fabrication
- Electrochemical sensors and biosensors
- Membrane-based Ion Separation Techniques
- Enhanced Oil Recovery Techniques
- Aquaculture disease management and microbiota
- Electrochemical Analysis and Applications
- Bacterial biofilms and quorum sensing
- Nanopore and Nanochannel Transport Studies
- Anaerobic Digestion and Biogas Production
- Water Quality Monitoring Technologies
- Groundwater flow and contamination studies
- Petroleum Processing and Analysis
- Water Treatment and Disinfection
- Water Systems and Optimization
- Vibrio bacteria research studies
- Advanced Machining and Optimization Techniques
- Gut microbiota and health
- Hydraulic Fracturing and Reservoir Analysis
Korea National University of Transportation
2015-2024
Government of the Republic of Korea
2018
Yeungnam University
2014-2018
Chonnam National University
2015-2018
University of Alberta
2013-2014
University of Utah
2010
Samsung (South Korea)
2004
To demonstrate elimination of bacterial biofilm on membranes to represent wastewater treatment as well formed by antibiotic-resistant (ARB) signify medical application, an bacterium and its lytic bacteriophage were isolated from a full-scale plant. Based gram staining complete 16 S rDNA sequencing, the showed more than 99% homology with Delftia tsuruhatensis, gram-negative belonging β-proteobacteria. The phage's draft genome revealed phage be N4-like 59.7% G + C content. No transfer RNAs...
Biological contamination of membranes is an unavoidable problem in membrane bioreactor (MBR) systems.
In a previous paper, the first ever application of lytic bacteriophage (virus)-mediated biocontrol biomass bulking in activated sludge process using Haliscomenobacter hydrossis as model filamentous bacterium was demonstrated. this work we extended to another predominant bacterium, Sphaerotilus natans, notoriously known cause wastewater treatment systems. Very similar study, one isolated from that could infect S. natans and lysis. Significant reduction volume index turbidity supernatant...
The community of whole microbes and antibiotic resistance bacteria (ARB) in hospital wastewater treatment plants (WWTP) receiving domestic (DWW) (HWW) was investigated. Samples from an influent a secondary clarifier, at each train, were characterized for the microbial ARB on database, based high-throughput pyrosequencing. pyrosequencing analysis revealed that abundance Bacteroidetes DWW sample higher (~1.6 times) than HWW sample, whereas Proteobacteria greater sample. At top twenty genus...
The presence of antibiotic-resistant bacteria (ARB) in receiving water can severely threaten the aquatic environment and human health. treated effluent containing ARB some livestock wastewater treatment plants (WWTPs) is returned to municipal WWTP reduce residual ammonia phosphorus concentrations. ARBs are widespread through processes discharged into river lake. This study highlights that isolated lytic phage could from WWTPs apply phage-based biocontrol mixed cultures. phages were used a...
This study examined the influence of biohydrogen fermentation under high bicarbonate alkalinity (BA) and pH to optimize these critical parameters. When sucrose was used as a substrate, hydrogen produced over wide range values (5–9) no BA supplementation; however, affected yield significantly different initial pHs (5–10). The actual effect using raw piggery waste (pH 8.7 8.9 g CaCO3/L) showed biogas production or propionate/acetate accumulation. maximum rate (0.32 L H2/g volatile suspended...
Staphylococcus aureus and Pseudomonas aeruginosa are opportunistic pathogens commonly associated with burn wound infections. These bacteria can form biofilm contribute a high-level drug resistance to available antibiotics. This study focused on the bacteriolytic activity of phages vB_SAnS_SADP1 vB_PAnP_PADP4 24 h old single or dual-species biofilms in alone combination. Scanning confocal laser scanning microscopic studies confirmed structural organization combinations in-vitro conditions....
We demonstrate highly manufacturable sub-50 nm MBCFET with the I/sub on/ of 4.26 mA/ /spl mu/m at V/sub DD/ = 1.2V, which is best performance ever reported. This excellent resulted from vertically stacked channels and enhanced mobility. It has been fabricated on bulk Si substrate by using multiple epitaxial growth SiGe/Si/SiGe/Si layers damascene gate process. structural electrical merits in scaling process integration.
The review includes literatures published in the year of 2014 regarding uses biofilm and bioreactor to treat wastewater. Topics considered are: formation factors that impact formation; extracellular polymeric substance from biofilms; consortia quorum sensing; reactors bioelectrochemical systems.
Partial nitritation is an essential first step in anaerobic ammonium oxidation. This study compared the performance of air-lift partial reactors with attached growth (AG) and suspended (SG) without biomass retention using ammonium-rich recirculated liquor produced from dewatering anaerobically digested sludge. The steady-state results showed that AG can effectively retain ammonium-oxidizing bacteria (AOB) high activity allow minimizing discharge (∼10 mg volatile solids/L) effluent. nitrogen...
Airplane reservoirs made of Al7075 are coated with an anodizing layer to maintain precision, air tightness and corrosion resistance. It is commonly required that the inner surface roughness reservoir be less than average <TEX>$0.2{\mu}m$</TEX> stable oil pressure. Even though precision polishing necessary achieve this quality it not easy. Inner uniform product irregular because most work done by hand. The purpose study design exclusive machine determine standard cutting condition for good...