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Shannon Weigum, Ph.D.

Department of Biology

Shannon Weigum, Ph.D.

Assistant Professor

Phone: 512 - 245 - 1774
Fax: 512 - 245 - 8713
Office: SUPP 142

Mailing Address:
Texas State University
Department of Biology
601 University Drive
San Marcos, TX 78666

Optical Biosensor and Nanomaterials Lab 





Degree Major Year University Thesis/Dissertation
Ph.D. Biochemistry 2008 University of Texas at Austin Development of a Cell-Based Lab-on-a-Chip Sensor for Detection of Oral Cancer Biomarkers
M.S. Biology 2002 Texas State University Developmental Appearance of Phosphorylated Intermediate Filaments in Nuclei of Glioma and Neuroblastoms Cells
B.A. Biology; Science Education 1997 Texas A&M University N/A

University Experience



Position University Dates
Assistant Professor Texas State University, Biology and MSEC 20011 - Present
Postdoctoral Research Associate Rice University, Bioengineering 2009-2011
Graduate Research/Teaching Assistant University of Texas at Austin, Biochemistry 2002-2008
Graduate Research/Teaching Assistant Texas State University, Biology 2000-2002


Courses Taught



  • Functional Biology (BIO 1330)
  • Cell Biology of Cancer (BIO 4350A)
  • Undergraduate Research (BIO 4299)
  • Graduate Research Experience (BIO5314)


Theses Directed



  • Supervised Thesis/Dissertations - Current
    • Shalini Madadi (M.S. – Biology, expected graduation 2013)
  • Committee Member for Thesis/Dissertations - Current
    • Sarah Kane (M.S. – Biology, J Koke advisor; expected graduation 2012)
    • Richard Nuckles (Ph.D. – Aquatic Resources, D Garcia advisor; expected graduation 2014)
  • Committee Member for Thesis/Dissertations - Completed
    • Luis Neve (M.S. – Biology, D. Garcia advisor; graduated 2011)
  • Supervised Undergraduate Research Projects
    • Joseph Whitt (Fall 2011-Spring 2012; H-LSAMP Scholar)
    • Christina Henson (Spring 2012)
    • Michael Bitzer (Spring 2012)




  • Journal Articles (Published)
  • McDevitt, J.T., Floriano, P.N., Christodoulides, N., Weigum, S.E., Redding, S.W., Yeh, C., McGuff, H.S., Vigneswaran, N., Thornhill, M.H., and Williams, M.D. A new bionanochip sensor aids oral cancer detection. SPIE News. 2011, March 28.
  • Weigum, S.E., Floriano, P.N., Redding, S.W., Yeh, C., Westbrook, S.D., McGuff, H.S., Lin, A., Miller, F.R., Villarreal, F., Rowan, S.D., Vigneswaran, N., Williams, M.D., and McDevitt, J.T. Nano-bio-chip sensor platform for examination of oral exfoliative cytology. Can. Prev. Res. 2010, 3(4):518-28.
  • Yeh, C., Christodoulides, N.C., Floriano, P.N., Miller, C.S., Ebersole, J.L., Weigum, S.E., McDevitt, J.T., and Redding, S.W. Current developments in saliva/oral-fluid diagnostics. Tex Dent J. 2010, 127(7):651-61.
  • Javier, D.J., Castellanos-Gonzalez, A., Weigum, S.E., White, A.C. Jr., and Richards- Kortum, R. Oligonucleotide-gold nanoparticle networks for detection of Cryptosporidium parvum heat shock protein 70 mRNA. J Clin Microbiol. 2009, 47(12):4060-6.
  • Weigum, S.E., Floriano, P.N., Christodoulides, N., and McDevitt, J.T. Cell-based Sensor for Analysis of EGFR Biomarker Expression in Oral Cancer. Lab-on-a-Chip. 2007, 7(8):995-1003.
  • Christodoulides, N., Floriano, P.N., Acosta, S.A., Ballard, K.L., Weigum, S.E., Mohanty, S., Dharshan, P., Romanovicz, D., and McDevitt, J.T. Toward the Development of a Labon- a-Chip Dual-Function Leukocyte and C-Reactive Protein Analysis Method for the Assessment of Inflammation and Cardiac Risk. Clin. Chem. 2005, 51(12):2391-2395.
  • Weigum, S.E., Garcia, D.M., Raabe, T.D., Christodoulides, N.J., and Koke, J.R. Discrete Nuclear Structures in Actively Growing Neuroblastoma Cells are Revealed by Antibodies Raised Against Phosphorylated Neurofilament Proteins. BMC Neuroscience 2003, 4:6.
  • García D.M., Weigum S.E. and Koke J.R. GFAP and Nuclear Lamins Share an Epitope Recognized by Monoclonal Antibody J1-31. Brain Research 2003, 976(1):9-21. Featured on journal cover.
  • Adachi, A., A.K. Natesan, M. G. Whitfield-Rucker, S.E. Weigum and V.M. Cassone. Functional melatonin receptors and metabolic coupling in cultured chick astrocytes. Glia 2002, 39:268-278.