People
Dr Jay Hyun-Suk OH
Research Fellow

Jay Hyun-Suk Oh

Research Fellow
Singapore Centre for Environmental Life Sciences Engineering (SCELSE)
Singapore Membrane Technology Centre (SMTC)

 

Research Interest

Membrane biofouling – the deposition of bacterial cells and the growth of biofilm on membrane surface – is a major challenge in membrane filtration processes for water treatment. Jay's doctoral research focused on the biofouling control of a membrane bioreactor (MBR) for wastewater treatment; the approach was to inhibit bacterial communication by quorum quenching. He is currently collaborating with Singapore Membrane Technology Centre (SMTC) in NTU to study the biofouling control of membranes in reverse osmosis (RO) system as well as in MBR. His current research focus can be summarised as follows:

1.     Biofouling control in RO system by bacterial quorum quenching

2.     Biofouling control in MBR and RO system by dispersing membrane biofilm with nitric oxide (NO) donors

3.     Microbial community shift in biofilm with consecutive dosing of NO donors

4.     Understanding the quorum sensing (QS) communicating mechanism of mixed community in a water environment

 

Key publications:

S.H. Lee, S. Lee, K. Lee, C. Nahm, H. Kwon, H.S. Oh, Y.J. Won, K.H. Choo, C.H. Lee, P.K. Park. More efficient media design for enhanced biofouling control in MBR: quorum quenching bacteria entrapping hollow cylinder. Environmental Science & Technology, 50(16):8596–8604, 2016

H.S. Oh, S.R. Kim, W.S. Cheong, C.H. Lee, J.K. Lee. Biofouling inhibition in MBR by Rhodococcus sp. BH4 isolated from real MBR plant. Applied Microbiology and Biotechnology,97(23):10223–10231, 2013

H.W. Kim, H.S. Oh, S.R. Kim, K.B. Lee, K.M. Yeon, C.H. Lee, S. Kim, J.K. Lee. Microbial population dynamics and proteomics in membrane bioreactors with enzymatic quorum quenching. Applied Microbiology and Biotechnology, 97(10):4665-4675, 2013

S.R. Kim, H.S. Oh, S.J. Jo, K.M. Yeon, C.H. Lee, D.J. Lim, C.H. Lee, J.K. Lee. Biofouling control with bead-entrapped quorum quenching bacteria in membrane bioreactors: physical and biological effects. Environmental Science & Technology, 47(2):836-842, 2013

H.S. Oh, K.M. Yeon, C.S. Yang, S.R. Kim, C.H. Lee, S.Y. Park, J.Y. Han, J.K. Lee. Control of membrane biofouling in MBR for wastewater treatment by quorum quenching bacteria encapsulated in microporous membrane. Environmental Science & Technology, 46(9):4877–4884, 2012

K.M. Yeon, W.S. Cheong, H.S. Oh, W.N. Lee, B.K. Hwang, C.H. Lee, H. Beyenal, Z. Lewandowski. Quorum sensing : a new biofouling control paradigm in membrane bioreactor for advanced wastewater treatment. Environmental Science & Technology, 43(2):380–385, 2009