Chemistry Commons^™

In Situ Infrared Evidence For The Electrochemical Incorporation Of Hydrogen Into Si And Ge, K. C. Mandal, F. Ozanam, J.-N. Chazalviel

Faculty Publications

No abstract provided.

Polymer Science In Hungary, Part Iii. The Industrial Research Institutes And Their Factories, Otto Vogl, Gyula Hardy, Sandor Doubravsky, Margit Iring, Ferenc Tudos

Emeritus Faculty Author Gallery

No abstract provided.

73. Professor Cristofor I. Simionescu On His 70th Birthday, Otto Vogl, Ioan I. Negulescu

Emeritus Faculty Author Gallery

No abstract provided.

Organic And Polymeric Nonlinear Optical Materials, Otto Vogl, Donald R. Ulrich

Emeritus Faculty Author Gallery

No abstract provided.

Matrix-Infrared Spectra Of Structural Isomers Of The Phosphorus Oxysulfide P4s3o, Zofia Mielke, Lester Andrews, Kiet A. Nguyen, Mark S. Gordon

Mark S. Gordon

Photolysis of the P 4S3--03 molecular complex in solid argon with red light produced two sets of new infrared absorptions including terminal PO and symmetric P-S-P stretching modes, which are assigned to structural isomers of P4S30 with terminal oxygen at the apex and base phosphorus positions of P4S3. Further ultraviolet photolysis produced evidence for oxo-bridged P4S30 and a secondary product, P4S30 2.

73. Professor Cristofor I. Simionescu On His 70th Birthday, Otto Vogl, Ioan I. Negulescu

Otto Vogl

No abstract provided.

Organic And Polymeric Nonlinear Optical Materials, Otto Vogl, Donald R. Ulrich

Otto Vogl

No abstract provided.

Polymer Science In Hungary, Part Iii. The Industrial Research Institutes And Their Factories, Otto Vogl, Gyula Hardy, Sandor Doubravsky, Margit Iring, Ferenc Tudos

Otto Vogl

No abstract provided.

Intracellular Degradation Of Ribosomes In A Mesophilic And A Thermophilic Species Of Bacillus, Joe William Davis

Dissertations

The rates of intracellular degradation of ribosomal proteins were compared in a mesophilic and a thermophilic species of Bacillus. Cells were grown under various incubation conditions in the presence of a 14^C-protein hydrolysate m order to label the ribosomes. Rates of ribosome degradation were evaluated in terms of changes in the specific activity of in vivo ribosomes as a function of incubation time. The results indicated that, under most conditions, ribosomes were degraded (in vivo) at similar rates in both the mesophile and the thermophile. In some studies, ribosome degradation rates were slightly faster for the thermophile than for the …

Purification And Characterization Of A Dna Polymerase From The Cyanobacterium Anacystis Nidulans R2, Hsiu-Jin Lin, Gordon C. Cannon, Sabine Heinhorst

Faculty Publications

A DNA polymerase has been highly purified from Anacystis nidulans R2. Electrophoretic analysis in sodium dodecyl sulfate-polyacrylamide gels revealed that the final fraction contains three bands of M_r 107,000, 93,000, and 51,000, respectively. Analysis of purified DNA polymerase activity in situ indicates that of the three polypeptides the M_r 107,000 species has the catalytic activities. The native molecular weight of the enzyme was estimated by glycerol gradient sedimentation to be 100,000. The enzyme has an absolute requirement for a divalent cation. Mg²⁺ can be replaced with Mn²⁺, but the DNA polymerase is less active. Potassium …

Kinetic-Energy Density Functional For A Special Shape-Invariant Potential Of A One-Dimensional Two-Level System , Jiushu Shao, John J. Stezowski

John J. Stezowski Publications

By introducing the concept of supersymmetry to quantum mechanics, several authors have shown that exactly soluble potentials, including all those well known, are easily constructed. Is the kinetic-energy density functional corresponding to these potentials a simple form? We show that the answer is no, even to the simplest one, the harmonic potential, if one builds the kinetic-energy density functional from the reduced density matrix.

Coupled Kinetic Analysis Of Cleavage Of Dna By Esperamicin And Calicheamicin, Hiroko Kishlkawa, Ying-Ping Jiang, Jerry Goodisman

Chemistry - All Scholarship

A coupled kinetic analysis of esperamicin, calicheamicin, and DNase I cleavage of covalently closed circular PM2 DNA has been carried out. Analysis of the optical density data derived from agarose gel electrophoresis experiments shows that esperamicin A,, like the hydrolytic enzyme DNase I, produces mainly single-strand breaks in DNA. These agents cause covalently closed circular form I DNA to be initially converted to nicked circular form I1 DNA. However, the ratio of the rate constant for this process (k,') to that associated with conversion of form I1 to linear form I11 DNA ( k i ) is not consistent with …

Hplc Analysis Of Amino Acid-Derived Chloramines, Thomas Goyne, Tracy Inskeep, Heather Greenleaf

Thomas Goyne

No abstract provided.

Polymer Science In Hungary, Part Ii. The Universities In Hungary, Otto Vogl, Jozef Varga, Margit Iring, Ferenc Tudos

Emeritus Faculty Author Gallery

No abstract provided.

74. Professor Cristofor I. Simionescu On His 70th Birthday, Otto Vogl, Ioan I. Negulescu

Emeritus Faculty Author Gallery

No abstract provided.

9th International Symposium On Cationic Polymerization And Related Ionic Processes, Otto Vogl

Emeritus Faculty Author Gallery

No abstract provided.

9th International Symposium On Cationic Polymerization And Related Ionic Processes, Otto Vogl

Otto Vogl

No abstract provided.

Polymer Science In Hungary, Part Ii. The Universities In Hungary, Otto Vogl, Jozef Varga, Margit Iring, Ferenc Tudos

Otto Vogl

No abstract provided.

74. Professor Cristofor I. Simionescu On His 70th Birthday, Otto Vogl, Ioan I. Negulescu

Otto Vogl

No abstract provided.

Part I: Oxidation Of Heavy Metal Sulfides In Relation To The Environment; Part Ii: Fundamental Theory & Experiments Concerning Gas Chromatography & Mass Spectrometry, Judith Morgan

Masters Theses & Specialist Projects

Oxidation of heavy metal sulfides is a thermodynamically spontaneous process. Because of this, metal sulfides in the presence of oxygen are not stable. Currently there are over 100 streams and rivers, within the U.S., contaminated with heavy metal mine drainage; therefore an approved method of restoration is necessary. Precipitation of heavy metals as sulfides using H₂S as a reductant has been favorably reviewed as a restorative technique to clean up mining areas. However, using this technique on the laboratory scale does not prove to be a viable answer and shows strong pH dependence.

In the past three years …

Nitrogenase Substrates As Intercluster Bridging Units Between The Molybdenum Atoms In Doubly Bridged, Double Cubanes. The Synthesis And Characterization Of The [Mofe3s4cl2(Cl4cat)]2(.Mu.2-S)(.Mu.2-L)]N- Anions (L = N2h4, N = 4; L = Cn-, N = 5), Paul Challen, Sang Koo, C. Kim, W. Dunham, D. Coucouvanis

Paul R. Challen

No abstract provided.

Spreadsheets And Their Relation To Reality (Presentation), Donald H. Stedman, Gary A. Bishop, James E. Peterson, Paul L. Guenther

Fuel Efficiency Automobile Test Publications

No abstract provided.

Polymer Science In Hungary. Part I. The Institutes Of The Hungarian Academy Of Sciences, Otto Vogl, Ferenc Tudos, Margit Iring

Emeritus Faculty Author Gallery

No abstract provided.

First Pacific Polymer Conference, Jane C. Vogl, Gerald Kirshenbaum

Emeritus Faculty Author Gallery

No abstract provided.

Structure And Stability Of Hexacoordinated Sila Dianions, Mark S. Gordon, Marshall T. Carroll, Larry P. Davis, Larry W. Burggraf

Mark S. Gordon

The structures and stabilities of hexacoordinated silicon-containing dianions SiX6 2- have been investigated by using both ab initio (X= H, F) and semiempirical AMI (X= H, F, OH, Me, Cl) calculations. Both methods predict the hexacoordinated structures to be minima on the potential energy surfaces, although the semiempirical barriers for the reactions SiX6 2- -+ Six5- + x- appear to be rather overestimated based on the ab initio results for X = H, F. The positive charge on the central silicon atom actually increases as the number of ligands increases, and the role of d orbitals on that atom appears …

Polymer Science In Hungary. Part I. The Institutes Of The Hungarian Academy Of Sciences, Otto Vogl, Ferenc Tudos, Margit Iring

Otto Vogl

No abstract provided.

First Pacific Polymer Conference, Jane C. Vogl, Gerald Kirshenbaum

Otto Vogl

No abstract provided.

Self-Calibrating Position-Sensitive Silicon Detectors, J. T. Walton, H. A. Sommer, Gordon J. Wozniak, Graham F. Peaslee, D. R. Bowman, W. L. Kehoe, A. Moroni

Faculty Publications

Position-sensitive silicon detectors with discrete position output signal levels, which have been developed for heavy ion reaction studies at the Lawrence Berkeley Laboratory are discussed. The detectors, both 300- and 5000-μm thick, for use in ΔE-E telescopes, use a series of high and low conductivity strips on the detector p+ contact to produce a position signal with 15 discrete levels. Since the position of the signals from the strips is known, the detectors are self-calibrating against position nonlinearities. Some aspects of the fabrication of both the 300- and 5000-μm detectors are discussed, along with their operating characteristics. Illustrative experimental results …

Ua66/7/2 Hilltopper News, Wku Chemistry

WKU Archives Records

Newsletter created by and about the WKU Chemistry department.

Structural And Energetic Evidence For Oxygen-Lithium-Nitrogen Chelation In A Model For Asymmetric Induction., Edward Arnett, Michael Nichols, Andrew Mcphail

Michael A Nichols

No abstract provided.