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Organic Chemistry

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Articles 2461 - 2490 of 2535

Full-Text Articles in Chemistry

Actomyosin-Like Protein Isolated From Mammalian Brain, Donald Dudley Clarke Phd, S. Berl, S. Puszkin, Elena Puszkin Jul 1968

Actomyosin-Like Protein Isolated From Mammalian Brain, Donald Dudley Clarke Phd, S. Berl, S. Puszkin, Elena Puszkin

Faculty Publications

A protein with characteristics similar to actomyosin has been isolated from whole brain of rat and cat. It is soluble in 0.6 molar potassium chloride and insoluble in 0.1 molar potassium chloride. It superprecipitates with magnesium ions and adenosine triphosphate. It has adenosine triphosphatase activity stimulated by either magnesium or calcium ions. Both superprecipitation and adenosine triphosphatase activity are inhibited by p-chloromercuribenzoate and Mersalyl but not by ouabain.


Cerebrosides Of Human Aorta: Isolation And Fatty Acid Distribution, Eric Coles Jun 1968

Cerebrosides Of Human Aorta: Isolation And Fatty Acid Distribution, Eric Coles

Masters Theses

No abstract provided.


A Study Of The Chelation Of Copper (Ii) With Various Indicators And Chelating Agents In A Non-Aqueous Solvent, Marian Rauch May 1968

A Study Of The Chelation Of Copper (Ii) With Various Indicators And Chelating Agents In A Non-Aqueous Solvent, Marian Rauch

Bachelors’ Theses

The chelation of Copper II in nonaqueous solvent systems has been under investigation, however, its application is generally limited to extraction methods. In recent years, considerable work has been done at Marquette to investigate spectrophotometric titrations of metals with various chelating agents in nonaque6us solvent systems to determine stability constants and as an important contribution to the field of direct analytical methods. The purpose of this work was to study the adsorption effects and the titration of various types of indicators when applied to the Copper II - Dibenzyldithiocarbamic Acid Zinc Salt Chelate and the Copper II-a -Benzoinoxime Chelate in …


The Phosphorus Fertilisers : How They Compare, Walter Jacob Cox Jan 1968

The Phosphorus Fertilisers : How They Compare, Walter Jacob Cox

Journal of the Department of Agriculture, Western Australia, Series 4

ALTHOUGH 'double' or 'concentrated' superphosphate was first commercially manufactured in 1872 it was not until the 1950's that it became a major commercial fertiliser. In 1965 it accounted for about 15 per cent, of the world production of phosphatic fertilisers.


Heterocyclic Aromatic Fluorides By A Modified Schiemann Method (1), Frank L. Setliff Jan 1968

Heterocyclic Aromatic Fluorides By A Modified Schiemann Method (1), Frank L. Setliff

Journal of the Arkansas Academy of Science

No abstract provided.


N-P Compound Fertilisers, M G. Mason, W. J. Cox, R. N. Glencross Jan 1968

N-P Compound Fertilisers, M G. Mason, W. J. Cox, R. N. Glencross

Journal of the Department of Agriculture, Western Australia, Series 4

FARMERS were able to buy the two compound fertilisers N-P Compound Fertiliser 28:14 and N-P Compound Fertilser 24:24 in the 1967 season.


The Synthesis Of 3-Hydroxy-4-Imidazolidiones, Victor L. Rizzo Aug 1967

The Synthesis Of 3-Hydroxy-4-Imidazolidiones, Victor L. Rizzo

Masters Theses

No abstract provided.


Preparation And Spectral Studies Of Heterocyclic Hydrazone Analogs, Michael Mcaneny Aug 1967

Preparation And Spectral Studies Of Heterocyclic Hydrazone Analogs, Michael Mcaneny

Masters Theses

No abstract provided.


A Spectral Study Of The 4-Arylamino-1,2-Naphthoquinone System, Lloyd Myles Phipps Jul 1967

A Spectral Study Of The 4-Arylamino-1,2-Naphthoquinone System, Lloyd Myles Phipps

Masters Theses

No abstract provided.


The Effects Of Shearing Time And Stocking Rate On Wool Production, R J. Lightfoot Jan 1967

The Effects Of Shearing Time And Stocking Rate On Wool Production, R J. Lightfoot

Journal of the Department of Agriculture, Western Australia, Series 4

THE results of the first experiment comparing "autumn" versus "spring" shearing over a two-year period were published in 1960.

In this experiment the autumn-shorn ewes cut heavier greasy fleeces (even though they also reared considerably more lambs) with less tender wool, resulting in a higher average return per head from this group.

The autumn-shorn wool carried more seed, was less attractive and contained relatively more pieces than did the spring-shorn wool.


The Occurrence And Distribution Of Methane In The Marine Environment, Larry Philip Atkinson Jan 1966

The Occurrence And Distribution Of Methane In The Marine Environment, Larry Philip Atkinson

OES Faculty Publications

The distribution of methane in several anoxic marine environments is described. Maximum concentrations observed were μ mole CH4-C/liter. The distribution of methane seems to follow that of sulfide. The data indicate that methane is derived from organic compounds not containing nitrogen or phosphorus and that its formation is much slower than that of sulfide.


Polarography Of Selected Metal Ions In Anhydrous Aliphatic Diamines, Frederick William Foss Jr. Jan 1965

Polarography Of Selected Metal Ions In Anhydrous Aliphatic Diamines, Frederick William Foss Jr.

University of the Pacific Theses and Dissertations

A search of the literature revealed that no study has sought to measure and compare the polarographic solvent properties of the anhydrous aliphatic diamines. In fact, there has been no reported instance of the use of anhydrous 1,3-propanediamine or 1,4-butanediamine in any electro- chemical system.


Potential Pharmaceutical Derivatives Of Β-Aminoethylpiperazine, Brian A. Dementi Jul 1964

Potential Pharmaceutical Derivatives Of Β-Aminoethylpiperazine, Brian A. Dementi

Master's Theses

This thesis is concerned with the design and preparation of certain organic compounds which are expected to have medicinal properties. A discussion will be given which has essentially a two-fold purpose. The first is to discuss somewhat briefly the currently accepted method of rug design, and the second to show to what extent this method has been followed in the design of the compounds prepared.


Put Garden Rubbish To Work In A Compost Heap, W Dawson Jan 1964

Put Garden Rubbish To Work In A Compost Heap, W Dawson

Journal of the Department of Agriculture, Western Australia, Series 4

THERE'S a surprising amount of mumbo jumbo written about the simple compost heap. By the time you've waded through all the instructions, you feel as if you ought to have prerequisites of a doctorate in soil chemistry or an unbroken ancestry of at least three generations of professional English gardeners.


Benzohydroxamic Acid As A Reagent For The Determination Of Aluminum And Copper, William E. West Jul 1963

Benzohydroxamic Acid As A Reagent For The Determination Of Aluminum And Copper, William E. West

Masters Theses

No abstract provided.


Control Of Copper, Zinc And Manganese Deficiencies In Fruit Trees, N J. Halse Jan 1963

Control Of Copper, Zinc And Manganese Deficiencies In Fruit Trees, N J. Halse

Journal of the Department of Agriculture, Western Australia, Series 4

THE three elements copper, zinc and manganese are plant nutrients of the type often referred to as minor or trace elements.

Although essential elements for plant growth, they are required in comparatively small quantities.


A Review Of The 1961-1962 Silage Competition, H G. Elliott Jan 1962

A Review Of The 1961-1962 Silage Competition, H G. Elliott

Journal of the Department of Agriculture, Western Australia, Series 4

FOR the past five years the Australian Dairy Produce Board Pasture Improvement Committee (W.A.) has sponsored a silage competition in the dairying areas.

Judging is done by the officers of the Dairy Division of the Department of Agriculture and prize money totalling £175 is awarded.


Minor Elements Can Be Overdone, L T. Jones Jan 1961

Minor Elements Can Be Overdone, L T. Jones

Journal of the Department of Agriculture, Western Australia, Series 4

T H E term "minor elements" which is now commonly used and well understood by farmers and gardeners, refers to the five essential plant foods—copper, zinc, manganese, molybdenum and boron.

These five essential plant foods are needed by all plants in minute quantities and it is relatively easy to use them in excess of actual requirements or even in toxic amounts.

In practice this is not usually a problem with cereals and pastures. The important exception is when zinc alone is added to a cereal crop low in copper and the extra zinc accentuates the copper deficiency, and poorer yields …


Preparation And Infrared Spectrum Of Dimethyl Pinate In An Attempt To Determine The Configuration Of Pinic Acid, Margaret Schormuller Jun 1960

Preparation And Infrared Spectrum Of Dimethyl Pinate In An Attempt To Determine The Configuration Of Pinic Acid, Margaret Schormuller

Bachelors’ Theses

The esters if pinic acid are in increasing demand for low temperature lubricants, and certain esters are also useful as plasticizers. In spite of the vast amount of work that has been done with pinic acid and its esters, its geometrical configuration has not yet been satisfactorily established. Stereoisomers may result from both geometrical and optical isomerism. If the cis configuration is assumed to be the dd-enantiomorph, a total of four enantiomorphs are possible.


The Apparent Effects Of Rh Hapten Ingestion On The Circulating Blood Phosphorus, Barbara Lyke Jan 1959

The Apparent Effects Of Rh Hapten Ingestion On The Circulating Blood Phosphorus, Barbara Lyke

Masters Theses

The purpose of this work carried on at Western Michigan University during the past year is an attempt to elucidate further the action of Rh hapten within the body, or more specifically, the effect of its ingestion on the circulating blood phosphorus.


Phase Equilibrium In The 1-Butene-Water System And Correlation Of Hydrocarbon-Water Solubility Data, T. W. Leland Jan 1955

Phase Equilibrium In The 1-Butene-Water System And Correlation Of Hydrocarbon-Water Solubility Data, T. W. Leland

Journal of the Arkansas Academy of Science

No abstract provided.


Some Optical Properties Of Vapor-Deposited Films Of Arsenic, Antimony, And Bismuth, Zaboj V. Harvalik Jan 1955

Some Optical Properties Of Vapor-Deposited Films Of Arsenic, Antimony, And Bismuth, Zaboj V. Harvalik

Journal of the Arkansas Academy of Science

No abstract provided.


Possibility Of Weak Alpha Branching In Radium D, B. R. Miccoli, R. R. Edwards, B. L. Robinson, R. W. Fink Jan 1955

Possibility Of Weak Alpha Branching In Radium D, B. R. Miccoli, R. R. Edwards, B. L. Robinson, R. W. Fink

Journal of the Arkansas Academy of Science

No abstract provided.


The Chemistry Of Digestion, Lester B. Burrus Jan 1954

The Chemistry Of Digestion, Lester B. Burrus

Masters Theses

No abstract provided.


Itaconic Acid Derivatives Of P-Amino Alkyl Sulfone, Wilbur B. Clarke Jun 1953

Itaconic Acid Derivatives Of P-Amino Alkyl Sulfone, Wilbur B. Clarke

Electronic Theses and Dissertations

This investigation is concerned with the preparation of 1(p-R1 Sulfonyl)-phenyl-5-oxo-3-pyrrolidine carboxylic acid by direct fusion of itaconic acid with the respective p-Amino phenyl alkyl or aryl sulfone, and its continuation of work previously reported


Ceramic Uses Of Arkansas Nepheline Syenite, Harry J. Reynolds Jan 1953

Ceramic Uses Of Arkansas Nepheline Syenite, Harry J. Reynolds

Journal of the Arkansas Academy of Science

No abstract provided.


Itaconic Acid Derivatives Of P-Amino Alkyl, Alkyl Sulfone, Wilbur B. Clarke Jan 1953

Itaconic Acid Derivatives Of P-Amino Alkyl, Alkyl Sulfone, Wilbur B. Clarke

Electronic Theses and Dissertations

This investigation is concerned with the preparation of 1(p-R2 Sulfonyl)-phenyl-5-oxo-3-pyrrolidine carboxylic acid by direct fusion of itaconic acid with the respective p-Amino phenyl alkyl or aryl sulfone, and is a continuation of work previously reported.


Itaconic Acid Derivatives Of Sulfanilamide And Sulfone, Malcolm J. Thompson Jan 1952

Itaconic Acid Derivatives Of Sulfanilamide And Sulfone, Malcolm J. Thompson

Electronic Theses and Dissertations

This thesis, submitted to Xavier University in partial fulfillment of requirements for a Maters degree in chemistry in 1952, reports the synthesis and characterization of itaconic acid derivatives of sulfanilamide and amino phenyl sulfone compounds. The research describes reaction procedures and the isolation and purification of a series of novel chemical compounds, with experimental data including melting points, percent yields, elemental analysis, and molecular weights reported for numerous derivatives. The thesis presents conclusions regarding the chemical properties and reactivity of the synthesized compounds.

Note: No original abstract was included; this abstract is provided by the XULA Digital Commons editors.


Benzoylation Studies With A Compound Reported To Be Benzoyl Acid Sulfate And Analytical Studies On The Sample, Robert J. Peanasky Jun 1951

Benzoylation Studies With A Compound Reported To Be Benzoyl Acid Sulfate And Analytical Studies On The Sample, Robert J. Peanasky

Bachelors’ Theses

A very valuable reagent in organic characterization work is benzoyl chloride. By interacting benzoyl chloride with any one of the general classes of compounds termed phenols, alcohols, and amines, solid and very satisfactory derivatives are usually produced. However, the action of this compound occurs rather slowly and the operator, unless especially careful, suffers from the lachrimatory effects of the reagent, benzoyl chloride. A sample was submitted to my major professor, Dr. C. R. Haymaker, by Gene LaFave who claimed that it was benzoyl acid sulfate. This compound was a solid not difficult to manipulate in contradistinction to the lachrimatory liquid …


Diffusion Through A Membrane, Marvin E. Wyman Apr 1951

Diffusion Through A Membrane, Marvin E. Wyman

Journal of the Minnesota Academy of Science

No abstract provided.