Nathan W. Bower

Department of Chemistry and Biochemistry

Colorado College, Colorado Springs, CO 80903

(Last updated, July 1, 2010)

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(Professional Meeting and/or Invited Presentations: Student co-authors designated with a *)

A. R. Wagner,* N. W. Bower and M. A. Snyder, “Variation of 4-Allylanisole and Monoterpene Profiles in Response to Dwarf Mistletoe Attack on Ponderosa Pine,” Paper 299, (CHED), 239th ACS National Meeting & Exposition, March 21-25, 2010, San Francisco, CA

B. R. Ohlsen,* N. W. Bower and M. A. Snyder, “Abert’s Squirrel Feeding Patterns on Mature Cones of Ponderosa Pine: Unexpected Independence from Cones’ Monoterpene Profiles,” Paper 298, (CHED), 239th ACS National Meeting & Exposition, March 21-25, 2010, San Francisco, CA

D. N. Kraft,* N. W. Bower and M. A. Snyder, “Potential role of 4-Allylanisole in Bark Beetle Attack of Lodgepole Pine,” Paper 300, (CHED), 239th ACS National Meeting & Exposition, March 21-25, 2010, San Francisco, CA

N. W. Bower, “Non-destructive Chemical Attribution of Coins with Surface Corrosion,” Pikes Peak Sigma Xi and Colorado Springs Coin Club, February 23, 2010 (Invited Speaker)

N. W. Bower, “Archaeological Chemistry: Recent Findings Based on Biblical Coins from First Century Judaea,” St. Stephens, CS, CO, January 17, 2010 (Invited Speaker)

N. W. Bower, “X-ray Fluorescence and Lead Isotope Ratios in Numismatics and Archaeochemistry: A Case Study using Biblical Coins from First Century Judaea,” Adams State College, CO, September 25, 2009 (Invited Speaker)

N. W. Bower, “Art and Artifact Dating,” CWCS Workshop (co-taught with A. Lagalante, P. Hill, A. Norbutus), Villanova University, June 2009

N. W. Bower, “Atomic Spectroscopy in Art and Archaeology,” CWCS Workshop (co-taught with A. Lagalante, P. Hill, A. Norbutus), Villanova University, June 2009

C. J. K. Blanchet* and N. W. Bower, “Detection of Fakes and Dating of Antique Furniture and Art using Novel Reflectance Spectroscopic and Pyrolysis GC-MS Techniques,” CSURF, Colorado Springs, April 11, 2009; and Paper 83 (CHED), 239th ACS National Meeting & Exposition, March 21-25, 2010, San Francisco, CA

P. S. Hill, N. W. Bower and M. J. Henchman, “Chemistry of Art in the Laboratory (Workshop),” BCCE-08, Bloomington, IN, July 27-31, 2008

N. W. Bower and M. J. Brasuel, “Comparison of Art-Chemistry and Forensic Science for Fostering Critical Thinking Skills in the Chemistry Curriculum,” 20th Biennial Conference on Chemical Education (BCCE-08), Indiana University, Bloomington, IN, July 27-31, 2008

A. I. Snyder,* N. W. Bower, and M. A. Snyder, “Chemical Mediation of Beetle-Induced Mortality in Caribbean Pine: Implications for Reforestation,” Assoc. for Tropical Biol. and Conservation Annual Meeting, Paramaribo, Suriname, June 9-13, 2008. (Poster)

J. I. Eckelberger,* P. A. Neiffer,* N. W. Bower and M. A. Snyder, “Inverse Correlation of Sabinene and Blue Stain Fungi Associated with Mountain Pine Beetle,” Poster #40, CSURF-08, USAFA, April 12, 2008.

A. B. Wolk,* N. W. Bower and J. W. Kantner, “Development of Nondestructive Archaeochemical Methods for Sourcing Lithic Materials from Chaco Canyon, New Mexico,” Paper 1940-3P, Pittcon-08, New Orleans, March 2-7, 2008 (Also presented as Poster #45, CSURF-08, USAFA, April 12, 2008)

J. B. Whitaker,* B. R. Williams,* J. J. Emerick,* A. B. Wolk,* and N. W. Bower, “Chemometric study of ion changes in ponderosa pine trees infected with dwarf mistletoe,” Paper #39, ACS Rocky Mountain Regional Meeting, August 29-31, 2007. (Poster)

J. J. Emerick,* A. I. Snyder,* M. A. Snyder, N. W. Bower, “Correlation of Bark Beetle Attack to Levels of Estragole in Ponderosa Pine,” Paper #37, ACS Rocky Mountain Regional Meeting, August 29-31, 2007.  (Poster – won first place)

A. I. Snyder*, N. W. Bower, and M. A. Snyder, “Susceptibility of coastal populations of Caribbean pine to attack by southern pine beetle in Belize,” Paper #PS72-76, Ecological Society of America, San Jose, CA, August 5-10, 2007.

N. W. Bower, “Chemical Numismatics: Case Studies in Art, Archaeology, and Metallurgical Analysis,” Center for Workshops in the Chemical Sciences (CWCS), Chemistry and Art, Colorado College, July 24, 2007. (Invited Lecture)

N. W. Bower, “An Introduction to Pigment Identification using Polarizing Light Microscopy,” CWCS, Chemistry and Art, Colorado College, July 23, 2007 (Invited Lecture)

A. I. Snyder,* N. W. Bower, and M. A. Snyder, “Chemical Mediation of Southern Pine Beetle Attack in Caribbean Pine in Belize,” CSURF, UCCS, April 14, 2007.  (Poster)

N. Bower, “Authentication of Coins by Instrumental Analysis: The Unique 1942-S WW-II Alloy Jefferson Nickel,” Workshop-Lecture-Lab for the American Numismatic Association’s course on authentication, Colorado Springs, July 13, 2006. 

K. S. Shrewsbury* and N. W. Bower, “Development of Inexpensive Methods for Numismatic Authentication,” CSURF, CC, May 7, 2006.  (Poster)

J. B. Whitaker* and N. W. Bower “A Discriminate Function Analysis of Electrolyte Imbalance due to Dwarf Mistletoe Infecting Ponderosa Pine,” Colorado Springs Undergraduate Research Forum (CSURF), CC, May 7, 2006.  (Poster)

N. Bower, “Forensic Archaeochemistry: Life Trajectories and Sources of Insanity in a Late 19th Century Mental Asylum,” College of Wooster, April 3, 2006, in honor of Professor Richard H. Bromund’s retirement.  

N. Bower, “Teaching with the Technology of Tutt: Environmental Air Quality,” Faculty Instructional Technology Showcase, Colorado College, March, 2006.  (Poster)

J. Forrester*, M. Brasuel, and N. Bower, “Optimization of the Synthesis of CdTe Quantum Dots in Non-Coordinating Solvent,” PEW Midstates Science and Mathematics Consortium Undergraduate Research Symposia, University of Chicago, Chicago IL, November 4-6, 2005

N. Bower, “Non-destructive Methods of Analysis Useful for Authenticating Coins,” Workshop-Lecture-Lab for the American Numismatic Association’s course on authentication, Colorado Springs, June 25 – July 8, 2005

N. Bower, “A Chemical-Numismatic Analysis of Coins from the Holocaust (Sho’ah),” Sigma Xi, Pikes Peak Chapter, invited speaker, Colorado College, May 2, 2005.

C. S. Epstein*, M. Daschbach,* M. S. Epstein, N. W. Bower, and D. Hendin, “Using Spectrochemical Analysis to Solve an Ancient Numismatic Mystery, Paper #490-12P, Pittcon 2005, Orlando, Fl, Feb 27 – Mar 4, 2005.

N. W. Bower, M. S. Epstein, John Sieber, “Fakes, Forgeries, and Fourees: Some Numismatic Oddities Useful for Teaching Analytical Chemistry from a Forensic Perspective,” Paper #10-58P, Pittcon 2005, Orlando, Fl, Feb 27 – Mar 4, 2005.

F. L. Bauer,* Y. Yasutomo,* and N. W. Bower, and J. M. Hoffman, “Cadaver Caveats: Factors Affecting Forensic Identification Using Stable Isotopes,” Paper #10-13P, Pittcon 2005, Orlando, Fl, Feb 27 – Mar 4, 2005.

N. W. Bower, S. A. McCants,* J. M. Hoffman, and M. E. Ketterer, “Applications of MC-ICP-MS: Determining Individuals’ Life Histories using Pb Isotope Analysis in Forensic Anthropology,” Paper #1880-18P, Pittcon 2005, Orlando, Fl, Feb 27 – Mar 4, 2005.

S. McCants,* N. Bower, S. Getty, and M. Hoffman, “Case Studies in Forensic Anthropology: Elemental and Isotopic Analyses of Diagenetic Alteration,” Pew Midwest Undergraduate Research Symposium, Washington University, St. Louis, October 2004.

N. Bower, M. Hoffman, S. Getty, and C. Smith,* “Bone Fractionation & Isotope Analysis: Forensic Chemical Clues from a Century-Old Mental Asylum in Pueblo, Colorado” Colorado Section of the ACS, CSU-Pueblo, CO, March 4, 2004.

N. Bower, “How Can We Quantitate Quantitative Reasoning Gains? Pre and Post Testing Problems and Potentials.” Quantitative Reasoning Initiatives Pew Conference, Macalister College, St. Paul, MN, January 30–February 1, 2004.

N. Bower, M. Hoffman, and S. Getty, “Unraveling the Mysteries of a Late 19th Century Mental Asylum Graveyard: Diet, Diagenesis, or Migration?” Paper #145, Western Regional American Chemical Society Meeting, Long Beach, CA, October 15-18, 2003.

N. Bower, M. Hoffman, and S. Getty, and Z. Simpson,* “Mysterious Medicines and Living with Lead: Revelations from a 19th Century Cemetery” Natural Science Colloquium Series, Colorado College, Colorado Springs, March 6, 2003.

N. Bower, M. Hoffman, S. Getty, J. Custodio,* P. Eaton,* Z. Simpson,* and C. Smith,* "The Curse of the Purple Stain: Historical and Chemical Clues to Medicine in the Late 19th Century" Anthropology Department Seminar Series, Colorado College, Colorado Springs, Nov. 4, 2002.

N. Bower, M. Hoffman, S. Getty, R. Cohen,* J. Custodio,* C. Smith,* and Z. Simpson,* "Secrets from a Late 19th Century Graveyard: Dr. Thombs on Trial Again?” Society for Applied Spectroscopy, Colorado Section, and Sigma Xi, Pikes Peak Chapter, Colorado College, Colorado Springs, Oct. 3, 2002.

N. W. Bower, “Colorado College’s Interdisciplinary Environmental Science Research: Depth and Breadth”, invited presentation, Council on Undergraduate Research Symposium on Environmental Science, Wooster, Ohio, June 21-25, 2000.

P. P. Jung, II*, N. W. Bower, M. A. Snyder, D. W. Lehmpuhl, “A Novel Application of Air-Sampling Canisters: Herbivore Selectivity as Predicted by Monoterpene Emission from Ponderosa Pine,” Paper #1538, Pittcon 2000, New Orleans, March 12-17, 2000.

A. A. Wolf* and N. W. Bower, “A New Approach to Trace Element Speciation of Soils: 2-D Thermal Shock Chemical Fractionation using ICP-OES with Pattern Recognition,” Paper #1507P, Pittcon 2000, New Orleans, March 12-17, 2000.

N. Bower “Teaching Undergraduates Chemometrics with Chocolate Chip Cookies”, invited speaker at Tsing Hua National University, Taiwan, January 28, 1999.

N. Bower “Teaching Environmental Science and Chemometrics at Colorado College”, invited speaker at Fudan University, Shanghai, People’s Republic of China, January 24, 1999.

C. P. Smith*, and N. W. Bower, “Optimization of Extraction Procedures for Factors Affecting Metal Speciation in Sediments Using Principle Component Analysis,” Paper #1835P, Pittcon’98, New Orleans, March 1-5, 1998.

J. M. Custodio*, N. W. Bower, and J. M. Hoffman, “Elemental Analysis of Diagenesis in Human Skeletons from a Late 19th Century Graveyard,” Paper #1672P, Pittcon’98, New Orleans, March 1-5, 1998.

N. Bower, ”Chemometrics and Statistics Across the Chemistry Curriculum,” PKAL Workshop, “Making Connections: Is Chemistry the Central Science?” Colorado College, Colorado Springs, CO, Oct. 24-26, 1997.

S. Kelso, N. Bower, D. Greve*, P. Beardsley*, and G. Maentz, “Use of the ICP-OES and Sequential Soil Extractions for Assessment of Edaphic Endemism in Plants,” Society for Conservation Biology, Victoria, B.C., June 6-9, 1997.

D. Greve*, and N. W. Bower, “Speciation and Pattern Recognition of Metals in Mine Tailings at Alpine Sites in Colorado and Alaska,” Paper #306, 213th ACS National Meeting, San Francisco, April 13-17, 1997.

N. Bower, "From Cookies to Cooking Pots: Integrating Chemometrics into the Undergraduate Curriculum," Paper #87, 213th ACS National Meeting, San Francisco, April 13-17, 1997.

C. Smith*, N. Bower, and M. Hoffman, "Trace Element Variability in Human Skeletons from a Late 19th Century Cemetery,” Paper #318, 213th ACS National Meeting, San Francisco, April 13-17, 1997.

N. Bower, J. Ladwig*, D. Greve*, S. Hata*, and J. Kantner, "An XRF-Pattern Recognition Analysis of Anasazi Pottery: Political Competition among the Chaco Anasazi," Paper #640P, 48th Pittsburg Conference, Atlanta, GA, March 16-21, 1997.

N. Bower, D. Greve*, P. Beardsley,* S. Kelso, "Sequential Soil Extraction Elemental Speciation: A New Approach for the Cluster Analysis of Soils and Plants," Paper #548P, 48th Pittsburg Conference, Atlanta, GA, March 16-21, 1997.

M. Trebella*, D. Greve*, and N. Bower, "A New Sequential Closed-Vessel Microwave Extraction Procedure for the Trace Metal Speciation of Soils, Sediments, and Sludges, Paper #1290, 48th Pittsburg Conference on Analytical Chemistry and Applied Spectroscopy, Atlanta, GA, March 16-21, 1997.

M. W. Trebella* and N. W. Bower, "Optimization of Trace Metal Speciation in Natural Waters," Pew Midstates Undergraduate Research Symposium in the Physical Sciences and Mathematics, University of Chicago, November 10-12, 1995.

B. Giles*, N. Bower, and R. Storey, "Phytochemical and Bioassay Analysis of the Australian Melaleuca Alternifolia (Tea Tree)," 20th West Coast Undergraduate Research Conf. in Biological Sciences, San Francisco, CA, May 6, 1995.

J. O. Speare* and N. W. Bower, "A Conservation Chemical Analysis of Roman Aqueduct Mortars," Paper #196, 207th American Chemical Society National Meeting, San Diego, CA, March 13-17, 1994.

P. Beardsley* and N. Bower, "Supercritical Extraction of Paw-paw Tree Medicinals," CUR Symposium, Salt Lake City, Utah, Spring 1993.

W. J. Thomas* and N. W. Bower, "An X-ray Fluorescence-Pattern Recognition Analysis of Culinary Ware Pottery from an Early Historic Hispanic Settlement," 203rd American Chem. Soc. Natn'l Mtg, San Francisco, April 5-10, 1992.

N. Bower, D. Stulik, and E. Doehne, "An Evaluation and Optimization of the Environmental Scanning Electron Microscope with an Energy Dispersive Detector for the Analysis of Art Conservation Paint Fragments", 43rd Pittsburg Conference, paper #244P, New Orleans, March 9-13, 1992.

N. Bower, "Determination of Provenance for Historic Pueblo Pottery at an Early Spanish Settlement near Santa Fe, N.M.", Pikes Peak Chapter Archaeological Society of America, 1991.
N. W. Bower, “Use of an environmental scanning electron microscope in art conservation,” Whitman College, Pew invited speaker, (1991).

N. W. Bower, Whitman College, “An x-ray spectral and pattern recognition analysis of Pueblo pottery,” Pew invited speaker, (1991).

J. Noblett, M. Staub*, N. Bower, and R. Louden, "Composite Mid-Proterozoic Anorogenic Mafic Dikes, Pillowed in and Partially Miscible with Granite, Wet Mountains, Colorado", Geological Society of America National Meeting, 1989.

K. Hertel*, R. Storey, and N. Bower, "Nutritional Analysis of Marama Beans", ACS National Meeting, Denver, 1987.

C. Lundstrom*, E. Gladney, and N. Bower, "The Analysis of Geologicals with ICP-MS", ACS National Meeting, Denver, 1987.

S. Van Bramer*, N. Bower, and T. G. Lindeman, "Construction of a Microwave Induced Plasma with Tungsten Filament Sample Introduction", ACS National Meeting, Denver, 1987.

D. Rademacher*, and N. Bower, "SEM-EDS Analysis of Pueblo Pottery of the Rio Grande", ACS National Meeting, Denver 1987.

J. Noblett and N. Bower, "Metamorphism, Deformation, and Geothermometry of Proterozoic Rocks along South Hardscrabble Creek, Wet Mountains, Colorado, Geological Society of America National Meeting, 1987.

N. W. Bower, "X Ray Analysis of Prehistoric/Historic Pueblo Pottery," Society for Applied Spectroscopy, Rocky Mountain Section, Denver, Colorado, 1986.

R. Raymond, T. Davies, N. Bower, and S. Freeman, "Relationship Between Reflectivity and Organic Sulfur Content of Macerals with Respect to Total Organic Sulfur Content and Rank of Coals," Energy Minerals Div. Natnl Meeting, AAPG SEPM, 1984.

N. W. Bower and R. Storey, "Trace Elements of Nutritional Importance in Jojoba Seeds," 8th Annual FACSS, Philadelphia, Pennsylvania, 1981.

N. W. Bower, "Optimizing Precison in Flame and Furnace Atomic Absorption," Expochem 80, Houston, Texas, 1980.

N. W. Bower* and J. D. Ingle, Jr., "Optimization and Signal to Noise Ratio Studies of Flame Atomic Absorption, Emission, and Fluorescence Measurements," 29th Pittsburg Conference, Cleveland, Ohio, 1978.

N. W. Bower* and J. D. Ingle, "Precision of Flame Atomic Absorption Measurements," Jr., Northwest ACS Division Meeting, Portland, Oregon, 1976.