Search Results - "Engelmann, Mark D."

Variability of the Fenton reaction characteristics of the EDTA, DTPA, and citrate complexes of iron by Engelmann, Mark D, Bobier, Robert T, Hiatt, Terrance, Cheng, I Francis

“…The common metal chelation agents, DTPA and EDTA are often used as models for physiological low-molecular weight iron complexes in biochemical studies, or for…”
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The complete dechlorination of DDT by magnesium/palladium bimetallic particles by Engelmann, Mark D., Doyle, John G., Cheng, I.Francis

“…The complete dechlorination of 1,1-bis(4-chlorophenyl)-2,2,2-trichloroethane (DDT) by a magnesium/palladium bimetallic system has been accomplished. The…”
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Cyclic voltammetric and aqueous equilibria model study of the pH dependant iron(II/III)ethylenediamminetetraacetate complex reduction potential by Shimizu, Kenichi, Hutcheson, Ryan, Engelmann, Mark D., Francis Cheng, I.

“…A mathematical interpretation of the voltammetric half-wave potential vs. pH ( E 1/2–pH) behavior of the Fe II/III ethylenediamminetetraacetate (EDTA) redox…”
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Stability of Ferric Complexes with 3-Hydroxyflavone (Flavonol), 5,7-Dihydroxyflavone (Chrysin), and 3‘,4‘-Dihydroxyflavone by Engelmann, Mark D, Hutcheson, Ryan, Cheng, I. Francis

“…The acid dissociation and ferric stability constants for complexation by the flavonoids 3-hydroxyflavone (flavonol), 5,7-dihydroxyflavone (chrysin), and…”
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Destruction of Chlorinated Phenols by Dioxygen Activation under Aqueous Room Temperature and Pressure Conditions by Noradoun, Christina, Engelmann, Mark D, McLaughlin, Matthew, Hutcheson, Ryan, Breen, Kevin, Paszczynski, Andrzej, Cheng, I. Francis

“…The complete destruction of separate mixtures of 1.1 mM 4-chlorophenol (aqueous) and 0.61 mM pentachlorophenol (aqueous slurry) take place in the presence of…”
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Voltammetric studies of Zn and Fe complexes of EDTA: evidence for the push mechanism by Hutcheson, Ryan M, Engelmann, Mark D, Cheng, I Francis

“…The 'push' hypothesis for the antioxidant action of Zn2+ is based on its displacement of iron from a low molecular weight pro-oxidant complex. In this study,…”
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Simultaneous determination of total polychlorinated biphenyl and dichlorodiphenyltrichloroethane (DDT) by dechlorination with Fe/Pd and Mg/Pd bimetallic particles and flame ionization detection gas chromatography by Engelmann, Mark D., Hutcheson, Ryan, Henschied, Kristy, Neal, Ryan, Cheng, I.Francis

“…Simultaneous measurement of total dichlorodiphenyltrichloroethane (DDT, technical mixture) and polychlorinated biphenyl (PCB-Aroclors 1248 and 1260) is…”
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A hypothesis for the basis of the pro-oxidant nature of calcium ions by Hutcheson, Ryan, Engelmann, Mark D, Cheng, I Francis

“…A new hypothesis describing the role of the redox inactive Ca2+ ion in the expression of physiological oxidative damage is described. The hypothesis is based…”
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Optimizing Separation of Iodine from Halogen Interferences in Preparation for TIMS Analysis by Metz, Lori A., Payne, Rosara F., Engelmann, Mark D.

“…Low-level analysis of radioiodine performed by TIMS requires an initial chemical separation from interfering higher electron-affinity halogens. Experiments…”
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Measurement of Fukushima aerosol debris in Sequim and Richland, WA and Ketchikan, AK by Miley, H. S., Bowyer, T. W., Engelmann, M. D., Eslinger, P. W., Friese, J. A., Greenwood, L. R., Haas, D. A., Hayes, J. C., Keillor, M. E., Kiddy, R. A., Kirkham, R. R., Landen, J. W., Lepel, E. A., Lidey, L. S., Litke, K. E., Morris, S. J., Olsen, K. B., Thompson, R. C., Valenzuela, B. R., Woods, V. T., Biegalski, S. R.

“…Aerosol collections were initiated at several locations by Pacific Northwest National Laboratory (PNNL) shortly after the Great East Japan earthquake of May…”
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Analysis of radioiodine in ground litter samples downwind of the Savannah River Site by Engelmann, M. D., Ballou, N. E., Kiddy, R. A., Jenson, D. D.

“…Ground litter samples were collected and analyzed for radioiodine ( 129 I) content from distances of 1.4–128 km away from the Savannah River Site nuclear fuel…”
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Recovery of technetium adsorbed on charcoal by Engelmann, M. D., Metz, L. A., Ballou, N. E.

“…Two methods capable of near complete recovery of technetium adsorbed on charcoal are presented. The first involves liquid extraction of the technetium from the…”
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Recovery and determination of adsorbed technetium on Savannah River Site charcoal stack samples by Lahoda, K. G., Engelmann, M. D., Farmer, O. T., Ballou, N. E.

“…Experimental results are provided for the sample analyses for technetium in charcoal samples placed in-line with a Savannah River Site (SRS) processing stack…”
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Electrodeposition of technetium on platinum for thermal ionization mass spectrometry (TIMS) by Engelmann, M. D., Metz, L. A., Delmore, J. E., Engelhard, M., Ballou, N. E.

“…A novel device has been fabricated for the electrodeposition of technetium metal onto platinum filaments for thermal ionization mass spectrometric (TIMS)…”
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The complete dechlorination of DDT by magnesium/palladium bimetallic particles by ENGELMANN, Mark D, DOYLE, John G, CHENG, I. Francis

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