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Hojung Cho

Ph.D. Candidate, Biomedical Engineering

Dr. Andre Levchenko Lab

The Whitaker Institute for Biomedical Engineering

Johns Hopkins School of Medicine



E-Mail :,


  • Bacterial collective behavior in the micro-environment
  • Systemic approach to bacterial quorum sensing and stress response

Education and Professional Training

  • 2002 B.S. in Chemical Engineering (summa cum laude), Seoul National University, Seoul, Korea

Honors and Awards

  • Samsung Scholarship (SLSF), fall 2002~ summer 2006
  • American Microbiology Society student travel grant, January 2006
  • New England Complex Systems Institute student scholarship, January 2005


H.Cho, H.Jonsson, K.Campbell, P.Melke, JW.Williams, et al.,"Self-Organization in High-Density Bacterial Colonies: Efficient Crowd Control", PLoS Biol. 2007 October 31; 5(11): e302.

• Highlighted in Nature 450, 322-323 (15 November 2007)

• Highlighted in Nature Reviews Microbiology 5, 904 (December 2007)

• Featured in MSNBC, Tues., Nov. 20, 2007.

A.Groisman, C.Lobo, H.Cho, JK Campbell, YS Dufour, AM Stevens, A Levchenko,” A microfluidic chemostat for experiments with bacterial and yeast cells”, Nature Methods. 2005 Sep; 2(9):685-9. • Reviewed in Nature Methods 2 (9): 648-649 (2005)

BK Cho, H Cho, H Yun, BG Kim, “Simultaneous synthesis of enantiomerically pure (S)-amino acids and (R)-amines using /-aminotransferase coupling reactions with two-liquid phase reaction system”, Journal of Molecular Catalysis B: Enzymatic, 2003 December 1; 26(3):273-85

BK Cho, H.Cho, SH Park, H Yun, BG Kim, “Simultaneous synthesis of enantiomerically pure (S)-amino acids and (R)-amines using coupled transaminase reactions”, Biotechnology and Bioengineering. 2003 Mar 30; 81(7):783-9