Index Catalog // ScholarsArchive@OSU

Studies of aflatoxin B1 in rainbow trout (Salmo gairdneri) ;|b1. Carcinogenicity and chemical structure : 2. Tissue and subcellular distribution of 14C from aflatoxin B₁-14C

Creator:: Ayres, James Lee
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF JAMES LEE AYRES foj- the

Isolation and determination of aflatoxin in cottonseed meal and other feedstuffs

Creator:: Ayres, James Lee
Abstract:: The aflatoxins, carcinogenic and toxic mold metabolites of Aspergillus flavus, were isolated and determined in cottonseed meal and other feedstuffs. This new quantitative method uses an acetone soxhlet extraction to remove the toxins from the defatted meal. The residual triglycerides, phospholipids and pigments were removed from the acetone by filtration...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF James Lee Ayr;es for the M. S

Evaluation and use of a soil mineralizable nitrogen test to determine the fertilizer nitrogen needs of winter wheat grown in western Oregon

Creator:: Baloch, Dost M.
Abstract:: The assessment of optimum nitrogen (N) fertilizer need for winter wheat (Triticum aestivum L.) is important for economic and environmental sustainability. A comprehensive understanding of fertilizer N requirement depends on estimation of the quantity of N needed by the crop versus that supplied by soil. The objectives of this study...
Resource Type:: Dissertation
Full Text:: Fertilizer Nitrogen Needs of Winter Wheat Grown in Western Oregon Abstract approved: Russell S. Karow The

Seed quality and plant establishment studies of seashore paspalum (Paspalum vaginatum Sw.)

Creator:: Baker, Stanley D.
Abstract:: Seashore paspalum (Paspalum vaginatum Sw.) is an important warm-season perennial turfgrass, known for its tolerance to salinity. Turfgrass is used for homes, municipalities, sod farms, resorts, and sports fields. Seashore paspalum has historically been planted in sub-tropical and tropical climates because of its heat tolerance. Seashore paspalum could become an...
Resource Type:: Dissertation
Full Text:: Approved: ____________________________________________________ Russell S. Karow Seashore paspalum

Distortions to travel cost derived demand curves : water quality and durable goods

Creator:: Garifo, Susan E.
Abstract:: The travel cost method of deriving demand and value of recreation does not include fixed costs of recreational durable goods purchases or allow for supply restrictions on the number of suitable sites available. The omission of these two real-world situations results in derivation of demand curves which are more inelastic...
Resource Type:: Dissertation
Full Text:: : Russell L. Gum The travel cost method of deriving demand and value of recrea- tion does not include

A structure theory of modules with a special reference to those defined by the Cauchy convergence criterion

Creator:: Brown, James Russell
Resource Type:: Masters Thesis
Full Text:: REFERENCE TO THOSE DEFINED BY THE CMtHY CONVERGENCE CRITERION by James Russell Brown A THESIS

Small scale photo probability sampling and vegetation classification in southeast Arizona as an ecological base for resource inventory

Creator:: Johnson, James Russell
Abstract:: Increasing demands on earth resources require the need to know how much resource is present. A new technology, which is developing partially with the support of the National Aeronautics and Space Administration, will help to inventory and monitor surface resources in a more comprehensive manner than previously possible. Research in...
Resource Type:: Dissertation
Full Text:: JAMES RUSSELL JOHNSON for the DOCTOR OF PHILOSOPHY (Name of student) (Degree) in Rangeland Resources

Biological preparation of ¹⁴C labeled aflatoxin

Creator:: Schoenhard, Grant Louis
Abstract:: Selected parameters that affect crude toxin production in both primary culture (growing cell culture) and resting culture were examined during efforts to produce sufficient crude toxin for purification. The parameters included carbohydrate and label source and concentration, cell concentration, incubation time and temperature and shaker speed. A higher yield of...
Resource Type:: Masters Thesis
Full Text:: ^ ^ Abstract approved: // Russell O. Sinnhuber Selected parameters that affect crude toxin production in

In vitro inhibition of lipase activity by malonaldehyde, formaldehyde and propionaldehyde

Creator:: Landsberg, Johanna Dobrot
Abstract:: The reactions of aldehydes with proteins are of nutritional and physiological significance. The nutritive value of food materials can be impaired by a reaction necessitating additional dietary protein, and enzymes have been shown in vitro to be inhibited by reactions with aldehydes. Aldehydes present may arise from the autoxidation of...
Resource Type:: Masters Thesis
Full Text:: effectively as MA-Na. Low concentrations (0. 01 M) of formaldehyde had no apparent effect on the

The quantification of malonaldehyde in marine lipids with para-aminobenzoic acid

Creator:: Follett, Mark Samuel
Abstract:: Malonaldehyde, a very reactive member of the homologous series of dialdehydes, is associated with the autoxidative deterioration of lipids. Its measurement, in autoxidized lipid systems is an expression of the extent of oxidation, in lipids. Malonaldehyde lends itself well to such determinations because of the sensitivity and specificity of its...
Resource Type:: Masters Thesis
Full Text:: m|j. and with a molar absorptivity of 73, 500. The absorbance value may be converted directly

ScholarsArchive@OSU

Studies of aflatoxin B1 in rainbow trout (Salmo gairdneri) ;|b1. Carcinogenicity and chemical structure : 2. Tissue and subcellular distribution of 14C from aflatoxin B₁-14C

Isolation and determination of aflatoxin in cottonseed meal and other feedstuffs

Evaluation and use of a soil mineralizable nitrogen test to determine the fertilizer nitrogen needs of winter wheat grown in western Oregon

Seed quality and plant establishment studies of seashore paspalum (Paspalum vaginatum Sw.)

Distortions to travel cost derived demand curves : water quality and durable goods

A structure theory of modules with a special reference to those defined by the Cauchy convergence criterion

Small scale photo probability sampling and vegetation classification in southeast Arizona as an ecological base for resource inventory

Biological preparation of ¹⁴C labeled aflatoxin

In vitro inhibition of lipase activity by malonaldehyde, formaldehyde and propionaldehyde

The quantification of malonaldehyde in marine lipids with para-aminobenzoic acid

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