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51

Silica Gel with Immobilized Chelating Groups as an Analytical Sampling Tool

Leyden, Donald E., Luttrell, G. Howard, Patterson, T. A.

Journal:

Analytical Letters

Year:

1975

Language:

english

File:

PDF, 239 KB

english, 1975

52

Kinetics of proton exchange of trimethylammonium ion by NMR: A laboratory experiment

Leyden, Donald E., Morgan, W. R.

Journal:

Journal of Chemical Education

Year:

1969

Language:

english

File:

PDF, 2.57 MB

english, 1969

53

A surface study of cobalt-molybdena-alumina catalysts using x-ray photoelectron spectroscopy

Patterson, Thomas A., Carver, James C., Leyden, Donald E., Hercules, David M.

Journal:

Journal of Physical Chemistry

Year:

1976

Language:

english

File:

PDF, 1.70 MB

english, 1976

54

Corrigendum to ‘Reduced exposure evaluation of an Electrically Heated Cigarette Smoking System. Part 8: Nicotine Bridging – Estimating smoke constituent exposure by their relationships to both nicotine levels in mainstream cigarette smoke and in smokers’ [Regul. Toxicol. Pharmacol. 64 (2012) S85–S97]

Urban, H.-Jörg, Tricker, Anthony R., Leyden, Donald E., Forte, Natasa, Zenzen, Volker, Feuersenger, Astrid, Assink, Mareike, Kallischnigg, Gerd, Schorp, Matthias K.

Journal:

Regulatory Toxicology and Pharmacology

Year:

2015

Language:

english

File:

PDF, 210 KB

english, 2015

55

Preconcentration of Uranium for X-ray Fluorescence Determination on Chemically-Modified Filters

Cronin, John T., Leyden, Donald E.

Journal:

International Journal of Environmental & Analytical Chemistry

Year:

1979

Language:

english

File:

PDF, 349 KB

english, 1979

56

White matter microstructure complements morphometry for predicting verbal memory in epilepsy

McDonald, Carrie R., Leyden, Kelly M., Hagler, Donald J., Kucukboyaci, Nuri E., Kemmotsu, Nobuko, Tecoma, Evelyn S., Iragui, Vicente J.

Journal:

Year:

2014

Language:

english

File:

PDF, 1.35 MB

english, 2014

57

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. 1995. xv + 556. $241.25. ISBN 0-444-81928-2.

Leyden, Donald E.

Journal:

Journal of the American Chemical Society

Year:

1996

Language:

english

File:

PDF, 31 KB

english, 1996

58

Use of computers in analytical chemistry courses

Herman, Harvey B., Leyden, Donald E.

Journal:

Journal of Chemical Education

Year:

1968

Language:

english

File:

PDF, 5.86 MB

english, 1968

59

Determination of parts per billion phosphate in natural waters using x-ray fluorescence spectrometry

Leyden, Donald E., Nonidez, William K., Carr, Peter W.

Journal:

Analytical Chemistry

Year:

1975

Language:

english

File:

PDF, 462 KB

english, 1975

60

Nitrogen inversion of tertiary amines in aqueous acid

Morgan, William Raymond., Leyden, Donald E.

Journal:

Journal of the American Chemical Society

Year:

1970

Language:

english

File:

PDF, 584 KB

english, 1970

61

Preconcentration for Trace Element Determination in Aqueous Samples

Leyden, Donald E., Wegscheider, Wolfhard

Journal:

Analytical Chemistry

Year:

1981

Language:

english

File:

PDF, 3.12 MB

english, 1981

62

Evaluation of computer directed optimization for energy dispersive x-ray spectrometry

Jablonski, Bruce B., Wegscheider, Wolfhard., Leyden, Donald E.

Journal:

Analytical Chemistry

Year:

1979

Language:

english

File:

PDF, 722 KB

english, 1979

63

Preconcentration for trace element determination in aqueous samples

Leyden, Donald E., Wegscheider, Wolfhard

Journal:

Analytical Chemistry

Year:

1981

Language:

english

File:

PDF, 4.78 MB

english, 1981

64

X-ray fluorescence determination of uranium as the barium diuranate precipitate

Jablonski, Bruce B., Leyden, Donald E.

Journal:

Analytical Chemistry

Year:

1979

Language:

english

File:

PDF, 401 KB

english, 1979

65

Preconcentration and x-ray fluorescence determination of copper, nickel, and zinc in sea water

Leyden, Donald E., Patterson, Thomas A., Alberts, James J.

Journal:

Analytical Chemistry

Year:

1975

Language:

english

File:

PDF, 417 KB

english, 1975

66

Characterization and properties of dibenzo-18-crown-6 covalently bonded to silica gel

Waddell, Thomas G., Leyden, Donald E.

Journal:

Journal of Organic Chemistry

Year:

1981

Language:

english

File:

PDF, 309 KB

english, 1981

67

Preconcentration of certain anions using reagents immobilized via silylation

Leyden, Donald E., Luttrell, G. Howard., Nonidez, William K., Werho, Dennis B.

Journal:

Analytical Chemistry

Year:

1976

Language:

english

File:

PDF, 507 KB

english, 1976

68

Scientific assessment of the use of sugars as cigarette tobacco ingredients: A review of published and other publicly available studies

Roemer, Ewald, Schorp, Matthias K., Piadé, Jean-Jacques, Seeman, Jeffrey I., Leyden, Donald E., Haussmann, Hans-Juergen

Journal:

Critical Reviews in Toxicology

Year:

2012

Language:

english

File:

PDF, 1.69 MB

english, 2012

69

Inversion of tertiary amines in aqueous acid

Leyden, Donald E., Morgan, W. R.

Journal:

Journal of the Chemical Society D Chemical Communications

Year:

1969

Language:

english

File:

PDF, 152 KB

english, 1969

70

STABILIZATION OF SOLUTIONS OF CYSTEINE AND ITS DERIVATIVES

Leyden, Donald E., Morgan, W. R.

Journal:

Canadian Journal of Biochemistry

Year:

1967

Language:

english

File:

PDF, 246 KB

english, 1967

71

threo - and erythro - β-Hydroxy- DL -aspartic acids

Jones III, Clifton W., Leyden, Donald E., Stammer, Charles H.

Journal:

Canadian Journal of Chemistry

Year:

1969

Language:

english

File:

PDF, 225 KB

english, 1969

72

Biomonitoring of smoke constituents: exposure to 4-aminobiphenyl and 4-aminobiphenyl hemoglobin adduct levels in nonsmokers and smokers

Schorp, Matthias K., Leyden, Donald E.

Journal:

Inhalation Toxicology

Year:

2010

Language:

english

File:

PDF, 1.10 MB

english, 2010

73

Preparation of Chemically Modified Cellulose Exchangers and their use for the Preconcentration of Trace Elements

Wegscheider, Wolfhard, Knapp, Günter, Leyden, Donald E.

Journal:

C R C Critical Reviews in Analytical Chemistry

Year:

1981

Language:

english

File:

PDF, 1.40 MB

english, 1981

74

NMR Spectroscopy of Metal Chelonates and Related Compounds

Leyden, Donald E., Sawyer, Donald T.

Journal:

C R C Critical Reviews in Analytical Chemistry

Year:

1971

Language:

english

File:

PDF, 2.54 MB

english, 1971

75

Development of an Automated Procedure for the Optimization of Multielement Analysis with Energy Dispersive X-Ray Fluorescence Spectroscopy

Wegscheider, Wolfhard, Jablonski, Bruce B., Leyden, Donald E.

Journal:

Analytical Letters

Year:

1978

Language:

english

File:

PDF, 307 KB

english, 1978

76

New books

Gilkinson, Howard, Allen, Harold B., Baird, A. Craig, Bryant, Donald C., Ziebarth, E. William, Hance, Kenneth G., Adix, La Vern, Leyden, Ralph C., Lees, C. Lowell, Talley, C. Horton, Ehrsam, Theodore

Journal:

Quarterly Journal of Speech

Year:

1946

Language:

english

File:

PDF, 806 KB

english, 1946

77

Critical Comparison of Preconcentration Methods for Trace Ion Determination by Energy and Wavelength Dispersive X-Ray Spectrometry

Leydens, Donald E., Wegscheider, Wolfhard, Bodnar, William B.

Journal:

International Journal of Environmental & Analytical Chemistry

Year:

1979

Language:

english

File:

PDF, 983 KB

english, 1979

78

Nuclear Magnetic Resonance Line Widths and Linear Extrapolation Chelometric Titrations

Leyden, Donald E., Whidby, Jerry F.

Journal:

Analytical Letters

Year:

1968

Language:

english

File:

PDF, 198 KB

english, 1968

79

Prostate Cancer Incidence and Prostate-Specific Antigen Testing Among HIV-Positive and HIV-Negative Men

Marcus, Julia L., Chao, Chun R., Leyden, Wendy A., Xu, Lanfang, Klein, Daniel B., Horberg, Michael A., Towner, William J., Quesenberry, Charles P., Abrams, Donald I., Van Den Eeden, Stephen K., Silver

Journal:

JAIDS Journal of Acquired Immune Deficiency Syndromes

Year:

2014

Language:

english

File:

PDF, 203 KB

english, 2014

80

Comparison of Environmental Tobacco Smoke (ETS) Concentrations Generated by an Electrically Heated Cigarette Smoking System and a Conventional Cigarette

Tricker, Anthony R., Schorp, Matthias K., Urban, Hans-Jörg, Leyden, Donald, Hagedorn, Heinz-Werner, Engl, Johannes, Urban, Michael, Riedel, Kirsten, Gilch, Gerhard, Janket, Dinamis, Scherer, Gerhard

Journal:

Inhalation Toxicology

Year:

2009

Language:

english

File:

PDF, 262 KB

english, 2009

81

Equilibrium Studies with the Chelating Ion-Exchange Resin Dowex A-1 1-3

Leyden, Donald E., Underwood, A. L.

Journal:

Journal of Physical Chemistry

Year:

1964

Language:

english

File:

PDF, 537 KB

english, 1964

82

Assessment of nicotine uptake from cigarette smoke: comparison of a colorimetric test strip (NicCheck I™) and gas chromatography/mass selective detector

Thomas Karnes, H., James, John R., March, Clark, Leyden, Donald E., Koller, Kent

Journal:

Year:

2001

Language:

english

File:

PDF, 435 KB

english, 2001

83

Special Book Issue || Fundamentals of Energy Dispersive X-ray Analysis. Monographs in Materialsby John C. Russ

Review by: Donald E. Leyden

Journal:

American Scientist

Year:

1986

Language:

english

File:

PDF, 353 KB

english, 1986

84

Proton exchange mechanisms of some tertiary benzylamines

Leyden, Donald E., Morgan, W. R.

Journal:

Journal of Physical Chemistry

Year:

1969

Language:

english

File:

PDF, 624 KB

english, 1969

85

Survival of non-Hodgkin lymphoma patients with and without HIV infection in the era of combined antiretroviral therapy

Chao, Chun, Xu, Lanfang, Abrams, Donald, Leyden, Wendy, Horberg, Michael, Towner, William, Klein, Daniel, Tang, Beth, Silverberg, Michael

Journal:

Year:

2010

Language:

english

File:

PDF, 137 KB

english, 2010

86

X-Ray Fluorescence Applications to Clinical Studies

Leyden, Donald E., Nonidez, William K.

Journal:

Critical Reviews in Clinical Laboratory Sciences

Year:

1977

Language:

english

File:

PDF, 2.74 MB

english, 1977

87

HIV infection and the risk of cancers with and without a known infectious cause

Silverberg, Michael J, Chao, Chun, Leyden, Wendy A, Xu, Lanfang, Tang, Beth, Horberg, Michael A, Klein, Daniel, Quesenberry, Charles P, Towner, William J, Abrams, Donald I

Journal:

Year:

2009

Language:

english

File:

PDF, 402 KB

english, 2009

88

HMG-CoA reductase inhibitors (statins) use and risk of non-Hodgkin lymphoma in HIV-positive persons

Chao, Chun, Xu, Lanfang, Abrams, Donald I., Towner, William J., Horberg, Michael A., Leyden, Wendy A., Silverberg, Michael J.

Journal:

Year:

2011

Language:

english

File:

PDF, 159 KB

english, 2011

89

Exposure to antiretroviral therapy and risk of cancer in HIV-infected persons

Chao, Chun, Leyden, Wendy A., Xu, Lanfang, Horberg, Michael A., Klein, Daniel, Towner, William J., Quesenberry, Charles P., Abrams, Donald I., Silverberg, Michael J.

Journal:

Year:

2012

Language:

english

File:

PDF, 207 KB

english, 2012

90

Protolysis and nitrogen inversion of anilines in sulfuric acid

Leyden, Donald E., Channell, Ronald E.

Journal:

Journal of Physical Chemistry

Year:

1973

Language:

english

File:

PDF, 504 KB

english, 1973

91

Rates of mercapto proton exchange of mercaptoacetic acid in acetic acid

Whidby, Jerry F., Leyden, Donald E.

Journal:

Journal of Physical Chemistry

Year:

1970

Language:

english

File:

PDF, 458 KB

english, 1970

92

Proton exchange and nitrogen inversion of .alpha.-phenylethylbenzylmethylamine using nuclear magnetic resonance spectroscopy

Leyden, Donald E., Morgan, W. R.

Journal:

Journal of Physical Chemistry

Year:

1971

Language:

english

File:

PDF, 470 KB

english, 1971

93

Protolysis kinetics of diamines in sulfuric acid

Leyden, Donald E., McCall, J. M.

Journal:

Journal of Physical Chemistry

Year:

1971

Language:

english

File:

PDF, 355 KB

english, 1971

94

Nuclear magnetic resonance study of the protolysis kinetics of iminodiacetic acids in sulfuric acid

Leyden, Donald E., Whidby, Jerry F.

Journal:

Journal of Physical Chemistry

Year:

1969

Language:

english

File:

PDF, 589 KB

english, 1969

95

Out in front: Corporate-friendly Delaware becomes even more inviting

MARTIN I. LUBAROFF, DONALD A. BUSSARD, ERIC A. MAZIE, C. STEPHEN BIGLER and JAMES G. LEYDEN JR.

Journal:

Business Law Today

Year:

1993

Language:

english

File:

PDF, 6.76 MB

english, 1993

96

Restriction spectrum imaging reveals decreased neurite density in patients with temporal lobe epilepsy

Loi, Richard Q., Leyden, Kelly M., Balachandra, Akshara, Uttarwar, Vedang, Hagler, Donald J., Paul, Brianna M., Dale, Anders M., White, Nathan S., McDonald, Carrie R.

Journal:

Year:

2016

Language:

english

File:

PDF, 738 KB

english, 2016

97

ChemInform Abstract: THREO- UND ERYTHRO-BETA-HYDROXY-DL-ASPARAGINSAEURE

JONES, CLIFTON W. III., LEYDEN, DONALD E., STAMMER, CHARLES H.

Journal:

Chemischer Informationsdienst. Organische Chemie

Year:

1970

File:

PDF, 108 KB

1970

98

ChemInform Abstract: STICKSTOFFINVERSION VON TERTIAEREN AMINEN IN WAESSRIGEN SAEUREN (NMR-UNTERSUCHUNG DER KINETIK)

MORGAN, W. R., LEYDEN, DONALD E.

Journal:

Chemischer Informationsdienst. Organische Chemie

Year:

1970

File:

PDF, 93 KB

1970

99

A Theoretical and Empirical Analysis of the Decision to Locate on a University Research Park

Leyden, Dennis Patrick, Link, Albert N., Siegel, Donald S.

Journal:

SSRN Electronic Journal

Year:

2006

Language:

english

File:

PDF, 95 KB

english, 2006

100

Argon Laser Photocoagulation For Macular Edema In Branch Vein Occlusion

Clarkson, John G., Gass, J. Donald M., Curtin, Victor T., Norton, Edward W.D., Blankenship, George W., Flynn, Harry W., Mulé, Marilyn, Leyden, Kathy, Guice, Ivy, Liang, James, Diddie, Kenneth R., Rvan

Journal:

American Journal of Ophthalmology

Year:

2018

Language:

english

File:

PDF, 697 KB

english, 2018