UA Fallon Reprints

Here are titles of published articles related to Fallon, Nevada, by Dr. Paul Sheppard and Dr. Mark Witten of the University of Arizona, along with coauthors. If you don't have access to these via internet sources, please request them directly from Paul Sheppard (sheppard @ ltrr.arizona.edu).

Environmental Research

  • Sheppard P.R., Witten, M.L. 2005. Laser trimming tree-ring cores for dendrochemistry of metals. Tree-Ring Research 61(2):87–92.
  • Sheppard, P.R., Ridenour, G., Speakman, R.J., Witten, M.L. 2006. Elevated tungsten and cobalt in airborne particulates in Fallon, Nevada: possible implications for the childhood leukemia cluster. Applied Geochemistry 21:152–165.
    • Sheppard, P.R., Speakman, R.J., Ridenour, G., Witten, M.L. 2006. Reply to comment on “Elevated tungsten and cobalt in airborne particulates in Fallon, Nevada: Possible implications for the childhood leukemia cluster”, by R. Seiler. Applied Geochemistry 21:715–723.
    • Sheppard, P.R., Speakman, R.J., Ridenour, G., Witten, M.L. 2006. Reply to comment on “Elevated tungsten and cobalt in airborne particulates in Fallon, Nevada: Possible implications for the childhood leukemia cluster”, by Blasland, Bouck and Lee, Inc. Applied Geochemistry 21:1083–1088.
  • Sheppard, P.R., Speakman, R.J., Farris, C., Witten, M.L. 2007. Multiple environmental monitoring techniques for assessing spatial patterns of airborne metals. Environmental Science & Technology 41(2):406–410.
  • Sheppard, P.R., Speakman, R.J., Ridenour, G., Witten, M.L. 2007. Using lichen chemistry to assess airborne tungsten and cobalt in Fallon, Nevada. Environmental Monitoring and Assessment 130:511–518.
  • Sheppard, P.R., Speakman, R.J., Ridenour, G., Glascock, M.D., Farris, C., Witten, M.L. 2007. Spatial patterns of tungsten and cobalt in surface dust of Fallon, Nevada. Environmental Geochemistry and Health 29:405–412.
  • Sheppard, P.R., Toepfer, P., Schumacher, E., Rhodes, K., Ridenour, G., Witten, M.L. 2007. Morphological and chemical characteristics of airborne tungsten particles of Fallon, Nevada. Microscopy and Microanalysis 13:296–303.
  • Sheppard, P.R., Speakman, R.J., Ridenour, G., Witten, M.L. 2007. Temporal variability of tungsten and cobalt in Fallon, Nevada. Environmental Health Perspectives 115:715–719.
    • Sheppard, P.R., Speakman, R.J., Ridenour, G., Witten, M.L. 2008. Tungsten and cobalt: Sheppard et al. respond to comment. Environmental Health Perspectives 116(5):A197.
  • Sheppard, P.R., Hallman, C.L., Ridenour, G., Witten, M.L. 2009. Spatial patterns of tungsten and cobalt on leaf surfaces of trees in Fallon, Nevada. Land Contamination and Reclamation 17(1):31–41.
  • Sheppard, P.R., Ridenour, G., Witten, M.L. 2009. Multiple techniques for researching airborne particulates: a comprehensive case study of Fallon, Nevada. Pp. 141–156 in Airborne Particulates, M. Cheng and W. Liu (Eds.). Nova Science Publishers, New York.
  • Sheppard, P.R., Ridenour, G., Witten, M.L. 2011. Multi-year assessment of airborne metals in Fallon, Nevada, based on leaf-surface chemistry. Pp. 329–344 in Air Quality Monitoring, Assessment and Management, N. Mazzeo (Ed.). InTech, Rijeka, Croatia.
  • Sheppard, P.R., Bierman, B.J., Rhodes, K., Ridenour, G., M.L. Witten. 2012. Comparison of size and geography of airborne tungsten particles in Fallon, Nevada, and Sweet Home, Oregon, with implications for public health. Journal of Environmental and Public Health, vol. 2012, Article ID 509458, 8 pages.
  • Sheppard, P.R., Helsel, D.L., Speakman, R.J., Ridenour, G., Witten, M.L. 2012. Additional analysis of dendrochemical data of Fallon, Nevada. Chemico-Biological Interactions 196:96–101.

Biomedical Research

  • Sun, N.N., Fastje, C.D., Wong, S.S., Sheppard, P.R., Ridenour, G., Hyde, J.D., Macdonald, S., Witten, M.L. 2003. Dose-dependent transcriptome changes by metal ores on a human acute lymphoblastic leukemia cell line. Toxicology and Industrial Health 19:157–163.
  • Fastje, C.D., Gollapudi, M.S.R., Le, K.H., Yemane, Y., Sheppard, P.R., Witten, M.L. 2007. Prenatal exposure to tungsten influences expression of DMBT1, a putative tumor suppressor gene. FASEB Journal 21(6):A756–A757.
  • Fastje, C.D., Le, K., Sun, N.N., Wong, S.S., Sheppard, P.R., Witten, M.L. 2009. Pre-natal exposure to tungstate is associated with decreased transcriptome-expression of the putative tumor suppressor gene, DMBT1: implications for childhood leukemia. Land Contamination and Reclamation 17(1):169–178.
  • Witten, M.L., Sheppard, P.R., Witten, B.L. 2012. Tungsten toxicity. Chemico-Biological Interactions 196:87–88.
  • Fastje, C.D., Harper, K., Terry, C., Sheppard, P.R., Witten, M.L. 2012. Exposure to sodium tungstate and respiratory syncytial virus results in hematological/immunological disease in C57BL/6J mice. Chemico-Biological Interactions 196:89–95.

Public Health Research Theory

  • Pleil, J.D., Sobus, J., Sheppard, P.R., Ridenour, G., Witten, M.L. 2012. Strategies for evaluating the environment-public health interaction of long-term latency disease: the quandary of the inconclusive case-control study. Chemico-Biological Interactions 196:68–78.

Biomedical Research Done by Others on Tungsten:

  • Kelly, A.D.R., Lemaire, M., Young, Y.K., Eustache, J.H., Guilbert, C., Molina, M.F., Mann, K.K. 2013. In vivo tungsten exposure alters B-Cell development and increases DNA damage in murine bone marrow. Toxicological Sciences 131(2):434–446.


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