Structural characterization of (3-aminopropyl)triethoxysilane-modified silicas by silicon-29 and carbon-13 nuclear magnetic resonance von Caravajal, G. Stephen, Leyden, Donald E, Quinting, Gregory R, Maciel, Gary E

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Reduced exposure evaluation of an Electrically Heated Cigarette Smoking System. Part 8: Nicotine bridging – Estimating smoke constituent exposure by their relationships to both nic... von Urban, H.-Jörg, Tricker, Anthony R., Leyden, Donald E., Forte, Natasa, Zenzen, Volker, Feuersenger, Astrid, Assink, Mareike, Kallischnigg, Gerd, Schorp, Matthias K.

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The nature of organosilane to silica-surface bonding von Waddell, Thomas G, Leyden, Donald E, DeBello, Mary T

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Distribution analysis of airborne nicotine concentrations in hospitality facilities von Schorp, Matthias K., Leyden, Donald E.

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The contribution of dietary nicotine and dietary cotinine to salivary cotinine levels as a nicotine biomarker von Siegmund, Barbara, Leyden, Donald E., Zikulnig, Edith, Leitner, Erich, Murkovic, Michael, Pfannhauser, Werner, Reif, Helmut

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Preconcentration for trace element determination in aqueous samples von Leyden, Donald E, Wegscheider, Wolfhard

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Preconcentration of trace metals using chelating groups immobilized via silylation von Leyden, Donald E, Luttrell, G. Howard

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Corrigendum to ‘Reduced exposure evaluation of an Electrically Heated Cigarette Smoking System. Part 8: Nicotine Bridging – Estimating smoke constituent exposure by their relations... von Urban, H.-Jörg, Tricker, Anthony R., Leyden, Donald E., Forte, Natasa, Zenzen, Volker, Feuersenger, Astrid, Assink, Mareike, Kallischnigg, Gerd, Schorp, Matthias K.

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Assessment of nicotine uptake from cigarette smoke: comparison of a colorimetric test strip (NicCheck I™) and gas chromatography/mass selective detector von Thomas Karnes, H., James, John R., March, Clark, Leyden, Donald E., Koller, Kent

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Thermodynamic and kinetic investigation of the protonation of silica-immobilized 3-aminopropylsilane von Kelly, Deborah J, Leyden, Donald E

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A surface study of cobalt-molybdena-alumina catalysts using x-ray photoelectron spectroscopy von Patterson, Thomas A, Carver, James C, Leyden, Donald E, Hercules, David M

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Characterization and properties of dibenzo-18-crown-6 covalently bonded to silica gel von Waddell, Thomas G, Leyden, Donald E

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Preconcentration for Trace Element Determination in Aqueous Samples von Leyden, Donald E, Wegscheider, Wolfhard

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Studies of silylation of Cab-O-Sil with methoxymethylsilanes by diffuse reflectance FTIR spectroscopy von Blitz, Jonathan P, Murthy, R.S.Shreedhara, Leyden, Donald E

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Preconcentration of certain anions using reagents immobilized via silylation von Leyden, Donald E, Luttrell, G. Howard, Nonidez, William K, Werho, Dennis B

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Determination of parts per billion phosphate in natural waters using x-ray fluorescence spectrometry von Leyden, Donald E, Nonidez, William K, Carr, Peter W

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Characterization and application of silylated substrates for the preconcentration of cations von E. Leyden, Donald, Howard Luttrell, G., Sloan, A.E., DeAngelis, N.J.

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Effect of reducing agents of pharmacological importance on the chemiluminescence of tris-(2,2'-bipyridine)ruthenium(II) von Nonidez, William K., Leyden, Donald E.

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Characterization and Chemical Modification of the Silica Surface By E. F. Vansant, P. Van Der Voort, and K. C. Vrancken (University of Antwerp, Belgium). Elsevier:  The Netherlands... von Leyden, Donald E

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Evaluation of computer directed optimization for energy dispersive x-ray spectrometry von Jablonski, Bruce B, Wegscheider, Wolfhard, Leyden, Donald E

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