Life Sciences Commons^™

The Application And Refinement Of Thin Layer Chromatographic Procedures In Analyzing The Ribonucleic Acids Present During The Morphological Development Of Two Varieties Of Avena Sativa L., Dorothy Anne Hackett

Masters Theses

No abstract provided.

Vegetation Of The Big South Fork Cumberland River, Kentucky And Tennessee, John Marcus Safley Jr.

Masters Theses

The water shed of the Big South Fork of the Cumberland River was studied in the summer of 1969 to determine the relationships existing between soil, site, and vegetational characteristics. Two­ hundred-and-seventy tenth acre plots were established where in trees of overstory size (greater than 5 inches dbh in 2 inch size classes) and under story size (4 1/2 feet tall; 1-5 inches dbh) were measured; herbs, shrubs, seedlings, and vines were sampled within one- hundredth acre subplots. Various soil and site characters were measured for each plot.

Soils were found to be stonier, deeper, and less sandy on lower …

Public Health Nutrition Experiences With The Louisiana State Department Of Health, Mamie Brown Davis

Masters Theses

This report describes and analyzes the observations and experiences of the student nutritionist during ten weeks of field training with the Nutrition Section in the Louisiana State Department of Health. The purpose of the training was to supplement academic training in public health nutrition at the University of Tennessee and the previous background of the student. The field experience was planned to increase her understanding of the function of the Institutional Nutrition Consultant as an integral part of the public health program in a state agency.

Information was obtained on the history, organization, and programs of the Louisiana State Department …

Moisture And Microwave Effects On Selected Characteristics Of Turkey Pectoral Muscles, Georgia Mae Williams

Masters Theses

The effect of added water and microwave heating on several characteristics of ground composites of pectoral muscles of eight USDA Grade A turkey toms was investigated. Samples (200 g) containing 0, 15, or 30 ml added water were prepared and heated in a Raytheon Mark IV Radarange (2450 MHz) for 0, 70, and 130 sec. Water added in the amounts of 15 or 30 ml represented 7 or 13% of the sample weight prior to heating.

Expressible moisture index and total moisture decreased with increased cooking times, whereas fat-free dry weight and initial and total cooking losses increased with cooking. …

Shear Values And Alkali Insoluble Collagen Of Beef Biceps Femoris As Affected By Time And Temperature Of Heating, Cynthia Anne Winstead

Masters Theses

The effect of heating beef cores at 55^o, 60^o, and 65^oC for 30, 60, and 120 minutes was studied. Cores were procured from three pairs of beef biceps femoris muscle from U. S. Choice steers. They were one inch in diameter and were heated in glass tubes in a thermostatically-controlled water bath. Tenderness was evaluated by Warner-Bratzler shear values. The residual alkali insoluble collagen was determined on composite samples of the sheared cores from each heat treatment. Heat treatments were replicated three times, once with each muscle pair.

Cores of muscle heated at 60 …

Training And Employment Needs Of Food Service Personnel In West Tennessee Hospitals, Carole Elizabeth Wilson

Masters Theses

The study of training and employment needs of food service personnel in 15 selected West Tennessee hospitals was accomplished by means of two questionnaires completed during personal interviews with hospital administrators and food service managers of hospitals in two groups by size. Specific weaknesses in the training of food service employees were noted. Hospital administrators reported inadequately trained employees as one of their major problems, and foodservice managers stated that lack of education and training was a major problem in the procurement of food service personnel. Other problems that administrators and feed service managers mentioned frequently regarding food service employees …

An Evaluation Of Student Attitudes In The Audio-Tutorial Biological Science Program At Western Michigan University And How They Are Reflected In Student Achievement Versus Time Spent In Laboratory, Dorothy Anne Hackett

Masters Theses

No abstract provided.

A Comparison Of Luteinizing Hormone And Prostaglandin F2 Α Stimulation Of Pseudo-Pregnant Rat Ovarian Steroidogenesis In Vitro, Ross R. Erickson

Masters Theses

No abstract provided.

Field Experiences And Observations With The Nutrition Section Of The Louisiana State Department Of Health, Julia Ellen Furlow

Masters Theses

This thesis is a description and an analysis of the student's field experience with the Nutrition Section of the Louisiana State Department of Health. The purpose of the field experience was to develop a philosophy and an understanding of public health nutrition and to learn to function as a nutritionist in planning, developing, and evaluating nutrition programs.

The objectives of the field experience were accomplished through observation of and participation in nutrition-related activities and through interviews and conferences with personnel of the health department. Teaching classes, counseling patients, and writing an issue of the nutrition newsletter helped the student to …

The Effect Of High Dietary Phenylalanine On The Concentration Of Brain And Liver Serotonin And Nicotinamide Adenine Dinucleotide In Rats, Rose Mae Tindall

Masters Theses

Fifty-four weanling Long-Evans-Sprague-Dawley rats were fed a niacin-free, 12 percent casein basal diet for one week. At the end of the pre-experimental adjustment period each rat was assigned to one of seven groups so that the average weight per group did not differ by more than one or two grams. Three of the seven groups ("A," "B" and "C") were fed the experimental diets (basal supplemented with L-phenylalanine to 3, 5 and 7 percent levels). One group of rats ("BC") was fed the basal diet (0 .62 percent L-phenylalanine) ad libitum. Feed consumption of all rats fed the experimental diets …

Training And Employment Needs Of Personnel In Selected Hospital Food Services In Middle Tennessee, Anita Fuqua Alphin

Masters Theses

Employment and training needs of food service employees in selected Middle Tennessee hospitals were investigated. Labor turnover, personnel problems, and managerial qualifications also were studied. Questionnaires and structured interviews were used to obtain data. The sample consisted of 18 small capacity hospitals (25 to 100 beds) and eight large capacity hospitals (101 beds or larger).

Both present and anticipated future positions for all employee categories (managerial, supervisory, food preparation workers, food service workers, and food sanitation workers) were indicated by the administrator and food service managers. Qualifications for the manager of the food services as desired by the administrator generally …

The Relation Of Beef Temperatures During Coring And Shearing To Warner-Bratzler Shear Values, Elizabeth Smith Fields

Masters Theses

The effect of the temperature of meat when cores were removed and the temperature of the cores at the time of shearing on Warner-Bratzler shear values was studied. The precision of measurements obtained with the Warner-Bratzler shear device as affected by a combination of these temperatures was estimated. Beef roasts from the biceps femoris muscle were cooked at 300^o to an internal temperature of 170^oF. Four temperature combinations were tested: (1) samples cored and sheared at 150^oF; (2) samples cored at 150^oF, and sheared at room temperature; (3) samples cored and sheared at …

Dietary Findings And Bone Densities Of Preschoolchildren In Selected Day Care Centers In Knoxville, Tennessee, Sara Edmundson Cummings

Masters Theses

The purposes of this study were to determine the contribution the food eaten at day care centers made to the Recommended Dietary Allowances of preschool children; to evaluate their nutritional status using seven-day records of food intake and measurements of height, weight, and bone density; and to study the correlation between selected nutrients and bone density.

Children from four day care centers in Knoxville, Tennessee, were participants in this study. Permission for participation was obtained by the signed consent of the parents. Complete dietary information (school lunch records and seven-day home records) and physical measurements (height, weight, and bone density) …

A Field Experience With The Section Of Nutrition, Division Of Health, Florida Department Of Health And Rehabilitative Services, Ann Miller Rowland

Masters Theses

This thesis describes and analyzes the author's eight-weeks of field observations and experiences with the Section of Nutrition in the Florida Department of Health and Rehabilitative Services. The purpose of the field experience was to augment the academic program with practical experiences.

The field experience was planned to strengthen the author's philosophy and understanding of the principles of public health. The author observed and participated in nutrition programs within the health agency at various levels as well as with professional groups and community agencies. The author was provided the opportunity to develop her professional skills and competencies through practical application …

Nutrition Education In Nursing Schools In Tennessee, Virginia Hicks Williams

Masters Theses

In order to investigate the present state of nutrition education in nursing schools and programs in Tennessee and the nutrition education responsibilities of nurses in general hospitals in the state, surveys were taken by means of questionnaires. Three different questionnaires were developed--one pertaining to the nutrition courses taught in schools of professional nursing, one pertaining to the nutrition taught in programs of Licensed Practical Nursing, and one attempting to ascertain the nutrition education responsibilities of nurses according to directors of nursing in general hospitals in Tennessee.

The data accumulated in this study indicate little variation in nutrition education in programs …

Production Of Acute Duodenal Ulcers In Rats By Infusion Of Gastric Secretogogues, Thomas John Stout

Masters Theses

Antibiotic Potential In The Liverworts, Especially Ricciocarpus Natans (L.) And Marchantia Polymorpha (L.), Theodore Roy Shields

Masters Theses

No abstract provided.

Extraction And Partial Purification Of Neurosecretory Substances From The Suprapharyngeal Ganglion Of Lumbricus Terrestris, William D. Vandenbosch

Masters Theses

No abstract provided.

Work Sampling As A Method Of Evaluating A School Food Service Training Program, Vivian B. Beard

Masters Theses

Feasible use of work sampling as a method of evaluating school food service employees' performance before and after training sessions on work simplification was studied. Random observations of employees' activities throughout two nine day periods resulted in 1,163 observations the first period and 1,110 the second period. Comparisons of the two periods on the basis of percent of time spent in three work functions and in each of 18 activities showed greatest changes in processing activities, with 2.2 percent more time during the second period; transportation activities, with 2.0 percent less time; cleaning activities, with 1.3 percent more time; and …

Myoglobin Concentration Of Turkey Muscle As Affected By Heat, Janice Gail Sandefer

Masters Theses

The effect of heat on myoglobin concentration of pectoralis major and thigh muscles of nine turkey toms was studied. Heat treatments included end point temperatures of 35^o, 50^o, and 65^oC.

Myoglobin concentration of the pectoralis major as expressed on a wet and a nonfat dry basis did not change with increasing temperature. However, myoglobin concentration in the thigh on both a wet and a nonfat dry weight basis decreased as temperature increased (P < 0.005). The concentration of the pigment did not decrease until the samples were cooked to 50^oC, and some myoglobin …

Observations And Experiences Within The Nutrition Department, Child Development Center, Memphis, Tennessee, Bonnie Riddell Bailey

Masters Theses

This report is based upon observations and experiences during eight weeks at the Child Development Center, a University-Affiliated Mental Retardation Training Center, Medical Units, University of Tennessee, Memphis, Tennessee. Additional experiences in a variety of community health agencies were planned to complement the experiences at the Child Development Center. The purpose of the field training was to supplement academic training in public health nutrition at The University of Tennessee. In addition to a planned orientation, information on the Child Development Center and additional community health agencies was obtained through selected references, conferences, consultations, and observations. Observation and participation in the …

Frass Production In Oak Forests In Southern Michigan, James L. Faulkner

Masters Theses

Production of frass (insect fecal material) was determined for five slightly different oak forest habitats in Allegan State Game Area, Allegan County, Michigan, for the 1968 growing season. Frass samples were collected on 30 or more 9X9 inch collecting surfaces in each of the study areas. It was found that 1.66 grams or 87.36 square inches of white oak leaf consumed was the equivalent of one gram of frass produced. This was determined from five muslin bags enclosing white oak branches and containing fifteen assorted insect larvae from four species believed to be responsible for most of the frass production …

Organization Of The Bird Community Of A Michigan Oak Forest, Jerome D. Wenger

Masters Theses

No abstract provided.

Vegetational Pattern On A Sand Area Dominated By Prairie Species In Southwestern Michigan, Daniel Lee Pokora

Masters Theses

No abstract provided.

The Fishes Of The Big South Fork Of The Cumberland River System, Charles Edward Comiskey

Masters Theses

This thesis reports the results of a survey of the fishes of the Big South Fork of the Cumberland River system in Tennessee and Kentucky. This system represents the southeasterly extension of the Cumberland River system.

The survey was conducted from June, 1968, to September, 1969, with the majority of the collecting being made in the summer months of both years. A variety of collecting techniques were employed. These included ten and twenty-foot small mesh seine nets, thirty and sixty-foot bag seines, gill nets and sodium cyanide.

A total of sixty-four collections are included, sixty-one made by the author, and …

Rate Of Heat Penetration Of Microwave-Cooked Beef Semitendinosus As Related To Histological Characteristics And Tenderness, Judy Lynn Simmons

Masters Theses

Three-inch pieces of beef semitendinosus muscles were cooked by microwaves for zero-, three-, four-, five-, six- and seven-minute intervals to internal temperatures of 1, 16-25, 26-35, 36-45, 46-55 and 56-65°C, respectively. An index to tenderness was obtained by the Warner-Bratzler shear and histological characteristics were studied.

Increase in internal temperatures of the muscle pieces was accompanied by a decrease in shear values, the greatest decrease occurring at the seven-minute time interval. Scores for muscle disintegration (none to excessive), changes in fat cells (full to empty) and degradation of collagenous connective tissue (fibrous to granular) increased as internal temperature increased. Muscle …

Mechanism Of Organic Translocation In Straight-Neck Squash, James F. Nicholson

Masters Theses

The mechanism of organic translocation in Cucurbita pepo L. variety melopepo torticollis was investigated. Two-centimeter petiole sections from nodes 2 and 3 of 22-day squash were analyzed colormetrically for the concentration of stachyose and sucrose. Stachyose is an important transport molecule and, in contrast to sucrose, may be localized in the phloem. This investigation attempted to determine the possibility of stachyose being further localized in a particulate cell fraction.

The volume of the phloem was determined to be 20 mm³ per petiole. The concentration of stachyose per petiole, assuming that all of the stachyose was in the phloem and …

Aquatic Vascular Plant Communities Of Illinois, Benjamin Lee Dolbeare

Masters Theses

No abstract provided.

Cytomorphology Of The Ascocarp Of Chaetomium Crispatum Fuckel, Sharon Lynne Brookman

Masters Theses

No abstract provided.

A Preliminary Survey Of The Filamentous Phycomycetes Found In The Embarras River, Coles County, Illinois, Lynne Overman

Masters Theses

No abstract provided.