Search Results - "Podlesak, David"

Hydrogen and oxygen isotope ratios in human hair are related to geography by Ehleringer, James R, Bowen, Gabriel J, Chesson, Lesley A, West, Adam G, Podlesak, David W, Cerling, Thure E

“…We develop and test a model to predict the geographic region-of-origin of humans based on the stable isotope composition of their scalp hair. This model…”
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Dietary vitamin E reaches the mitochondria in the flight muscle of zebra finches but only if they exercise by Cooper-Mullin, Clara, Carter, Wales A, Amato, Ronald S, Podlesak, David, McWilliams, Scott R

“…Whether dietary antioxidants are effective for alleviating oxidative costs associated with energy-demanding life events first requires they are successfully…”
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Evolution of Carbon Clusters in the Detonation Products of the Triaminotrinitrobenzene (TATB)-Based Explosive PBX 9502 by Watkins, Erik B, Velizhanin, Kirill A, Dattelbaum, Dana M, Gustavsen, Richard L, Aslam, Tariq D, Podlesak, David W, Huber, Rachel C, Firestone, Millicent A, Ringstrand, Bryan S, Willey, Trevor M, Bagge-Hansen, Michael, Hodgin, Ralph, Lauderbach, Lisa, van Buuren, Tony, Sinclair, Nicholas, Rigg, Paulo A, Seifert, Soenke, Gog, Thomas

“…The detonation of carbon-rich high explosives yields solid carbon as a major constituent of the product mixture, and depending on the thermodynamic conditions…”
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Extreme condition nanocarbon formation under air and argon atmospheres during detonation of composition B-3 by Huber, Rachel C., Ringstrand, Bryan S., Dattelbaum, Dana M., Gustavsen, Richard L., Seifert, Sӧnke, Firestone, Millicent A., Podlesak, David W.

“…Novel nanocarbons synthesized by extreme conditions produce products with various chemical and physical properties. Herein through high explosive detonation of…”
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High temperature and pressure regime soot: Physical, optical and chemical signatures from high explosive detonations by Aiken, Allison C., Huber, Rachel C., Schmalzer, Andrew M., Boggs, Mark, Lee, James E., Gorkowski, Kyle J., Podlesak, David W., Dubey, Manvendra K.

“…Submicron particles are formed during the detonation and deflagration of carbon-rich energetic materials known as high explosives (HE) that can be lofted and…”
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Applying the principles of isotope analysis in plant and animal ecology to forensic science in the Americas by Chesson, Lesley A., Barnette, Janet E., Bowen, Gabriel J., Brooks, J. Renée, Casale, John F., Cerling, Thure E., Cook, Craig S., Douthitt, Charles B., Howa, John D., Hurley, Janet M., Kreuzer, Helen W., Lott, Michael J., Martinelli, Luiz A., O’Grady, Shannon P., Podlesak, David W., Tipple, Brett J., Valenzuela, Luciano O., West, Jason B.

“…The heart of forensic science is application of the scientific method and analytical approaches to answer questions central to solving a crime: Who, What,…”
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Dietary and physiological controls on the hydrogen and oxygen isotope ratios of hair from mid-20th century indigenous populations by Bowen, Gabriel J., Ehleringer, James R., Chesson, Lesley A., Thompson, Alexandra H., Podlesak, David W., Cerling, Thure E.

“…A semimechanistic model has recently been proposed to explain observed correlations between the H and O isotopic composition of hair from modern residents of…”
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Metabolic Routing of Dietary Nutrients in Birds: Effects of Diet Quality and Macronutrient Composition Revealed Using Stable Isotopes by Podlesak, David W., McWilliams, Scott R.

“…During fall migration many songbirds switch from consuming primarily insects to consuming mostly fruit. Fruits with more carbohydrates and less protein may be…”
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Detection of metabolic fluxes of O and H atoms into intracellular water in mammalian cells by Kreuzer, Helen W, Quaroni, Luca, Podlesak, David W, Zlateva, Theodora, Bollinger, Nikki, McAllister, Aaron, Lott, Michael J, Hegg, Eric L

“…Metabolic processes result in the release and exchange of H and O atoms from organic material as well as some inorganic salts and gases. These fluxes of H and…”
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Self-Assembly Directed Organization of Nanodiamond During Ionic Liquid Crystalline Polymer Formation by Ringstrand, Bryan S., Seifert, Sönke, Podlesak, David W., Firestone, Millicent A.

“…The UV‐initiated free radical polymerization of a lyotropic mesophase prepared by co‐assembly of an aqueous mixture of an ionic liquid (IL) monomer,…”
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Determining biological tissue turnover using stable isotopes: the reaction progress variable by Cerling, Thure E, Ayliffe, Linda K, Dearing, M. Denise, Ehleringer, James R, Passey, Benjamin H, Podlesak, David W, Torregrossa, Ann-Marie, West, Adam G

“…The reaction progress variable is applied to stable isotope turnover of biological tissues. This approach has the advantage of readily determining whether more…”
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Stable isotopes in breath, blood, feces and feathers can indicate intra-individual changes in the diet of migratory songbirds by Podlesak, D.W, McWilliams, S.R, Hatch, K.A

“…We used stable isotopes of C in breath, blood, feces and feathers to identify intra-individual changes in diet and the timescale of diet changes in free-living…”
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Evaluating uncertainty in the calculation of non-exchangeable hydrogen fractions within organic materials by Chesson, Lesley A., Podlesak, David W., Cerling, Thure E., Ehleringer, James R.

“…We calculated the fraction of exchangeable hydrogen atoms in proteinaceous materials commonly analyzed for stable isotopic composition related to the…”
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Variation of Hydrogen, Carbon, Nitrogen, and Oxygen Stable Isotope Ratios in an American Diet: Fast Food Meals by Chesson, Lesley A, Podlesak, David W, Thompson, Alexandra H, Cerling, Thure E, Ehleringer, James R

“…The stable isotopes of hydrogen, carbon, nitrogen, and oxygen provide insights into a heterotrophic organism’s diet and geographic origin. Although the…”
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Hydrogen and oxygen isotope values in hydrogen peroxide by Barnette, Janet E., Lott, Michael J., Howa, John D., Podlesak, David W., Ehleringer, James R.

“…Hydrogen peroxide (H2O2) is a widely used oxidizer with many commercial applications; unfortunately, it also has terrorist‐related uses. We analyzed 97…”
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Isotopic consequences of consumer food choice: Hydrogen and oxygen stable isotope ratios in foods from fast food restaurants versus supermarkets by Chesson, Lesley A., Podlesak, David W., Erkkila, Brad R., Cerling, Thure E., Ehleringer, James R.

“…We investigated geographic trends in the isotopic composition of the modern American diet, purchasing paired food items from fast food restaurants and…”
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FRUIT QUALITY AND CONSUMPTION BY SONGBIRDS DURING AUTUMN MIGRATION by SMITH, SUSAN B., McPHERSON, KATHLEEN H., BACKER, JEFFREY M., PIERCE, BARBARA J., PODLESAK, DAVID W., McWILLIAMS, SCOTT R.

“…Seasonal fruits are an important food resource for small songbirds during autumn migration in southern New England. Therefore, conservation and management of…”
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δ2H and δ18O of human body water: a GIS model to distinguish residents from non-residents in the contiguous USA by Podlesak, David W., Bowen, Gabriel J., O'Grady, Shannon, Cerling, Thure E., Ehleringer, James R.

“…An understanding of the factors influencing the isotopic composition of body water is important to determine the isotopic composition of tissues that are used…”
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METABOLIC ROUTING OF DIETARY NUTRIENTS IN BIRDS: EFFECTS OF DIETARY LIPID CONCENTRATION ON δ13C OF DEPOT FAT AND ITS ECOLOGICAL IMPLICATIONS by Podlesak, David W, McWilliams, Scott R

“…During migration, many songbirds eat primarily fruit while depositing fat. Given that some fruits contain mostly carbohydrate and others contain mostly lipid,…”
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Determination of age of nestling Prothonotary Warblers by Podlesak, David W, Blem, Charles R

“…The ability to accurately determine age of nestlings is useful in studies of reproductive performance of small birds. Because of a resurgence of interest in…”
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