Digital Commons Network^™

Effect Of Refrigerated Storage On Meat Quality, Jillian Reid Richardson

All Theses

Maintaining meat quality during cold temperature storage is an important goal for increasing consumer satisfaction and reducing food waste. Following a literature review on the importance of cold meat storage, a study was conducted as a part of Electrolux refrigerator research and development. Chicken breast and beef sirloin filets were stored at -2°C, -5°C, and -18°C and monitored for quality changes over a 7-day period. Temperature fluctuations and relative humidity data were monitored automatically by sensors. Meat quality was evaluated by measuring water activity, moisture content, pH, colorimetry, sensory, and drip loss. Microbial plate counts were used to monitor the …

Physical And Microbiological Characteristics Of Pickled Eggs From Japanese Quail (Coturnix Coturnix Japonica) Of The Pharaoh Variety, Adair Hoover

All Theses

The quality and microbiological characteristics of quail eggs were evaluated after eggs were pickled in different vinegar brine solutions. Pickling food in vinegar is one of the oldest preservation methods; however, little research has been conducted on pickled quail eggs. Commercial quail eggs obtained from a local producer were boiled, peeled, and placed into various pickling solutions and held for 24 or 48 hours at room temperature. After the holding period, eggs were removed from the solutions, weighed, and tested for pH, water activity, texture, and color. A second experiment was conducted to determine the effects of various pickling solutions …

Effects Of Continuous In Situ Low-Dose Ionizing Radiation On Microorganisms, Molly E. Wintenberg

All Dissertations

Precise detection and monitoring of nuclear fuel cycle, enrichment, and weapon development activities are critical for supporting warfighter preparation in chemical, biological, radiological, nuclear, and explosives (CBRNE) operations, clandestine activities, and nuclear compliance. A biological sensing system could serve as an alternative to traditional detection methods by using organic material naturally present in the environment to discreetly detect residual trace nuclear material. Microorganisms provide an optimal platform for an alternative sensing system; however, their response to low levels of ionizing radiation is poorly characterized. Combining the power of next-generation sequencing and transcriptomic analysis, this dissertation takes an approach to obtain …

Advanced Epidemiologic Methods To Estimate Disparities In Peripheral Artery Disease In South Carolina By Geographic Location, Payor Status, And Socio-Demographics, Brian A. Witrick

All Dissertations

Peripheral artery disease (PAD) is a progressive circulatory disorder of the lower extremities that occurs when atherosclerotic plaques obstruct arteries carrying blood from the heart to the legs. PAD is associated with reduced quality of life and increased risk of poor outcomes, particularly among disadvantaged groups. There is a need to better understand disparities experienced by disadvantaged groups. Thus, the purpose of this doctoral research was to explore the association of geographic, economic, and socio-demographic factors with PAD. South Carolina is an ideal location to investigate disparities of PAD due to the risk profile of South Carolina residents and the …

Nonviral Approaches For Delivery Of Crispr-Cas9 Into Hepatocytes For Treatment Of Inherited Metabolic Disease, Tanner R. Rathbone

All Dissertations

Inherited metabolic diseases (IMDs) of the liver have a collective occurrence of about 1 in 800 births. Current therapies for IMDs of the liver are limited, and the only curative option for patients is orthotopic liver transplantation. Due to shortages of organ donors, immunosuppression following the transplantation, and mortality risks associated with the procedure, alternative treatment options are necessary for curing IMDs of the liver. Therapeutic gene editing has been proposed as a potential strategy for treating IMDs of the liver. Adeno-associated viral vectors (AAVs) are the most widely used delivery method for liver-targeted gene therapies. Although widely used for …

Developing Implantable Hydrogel-Based Sensors To Measure Biomarkers In Synovial Joint Fluid Using Plain Radiography, Uthpala N. Wijayaratna

All Dissertations

The goal of my dissertation research is to develop implantable sensors that attach to prosthesis prior to implantation and measures biomarkers of infection in joint fluid in order to detect, monitor, and study infection using plain radiography. Joint replacement surgeries are common procedures improving the mobility and lives of millions of people worldwide. Although the surgeries are generally successful, about 1% of prosthetic hips become infected. If the infections are not detected and treated promptly with antibiotics and surgical debridement, device removal is almost always required to treat the infections. Therefore, it’s important to detect post-surgery infections early and monitor …

Evaluation Of Grazing Techniques As A Nutrition Source For Horses In A Pasture Environment, Brittany Perron

All Dissertations

Horses require daily access to forage in order to support their gastrointestinal tract function as well as natural grazing behaviors. Well-managed pasture provides horses with a consistent forage source and diminishes health risks such as colic, ulcers and stereotypies. However, equine grazing behaviors are more intense than other livestock and may be detrimental to plant and soil health. A grazing management technique specifically for horses is necessary to prevent both health and environmental issues. The following dissertation explores both the movement of required maintenance elements, such as feed, shelter, and water, as well as the manipulation of feeding frequency and …

Essays On Economics Of The Family, Yinlin Dai

All Dissertations

In the first chapter, I explore the role of gender discrimination in children’s investments by parents. I specifically examine whether parents in urban China devote more household resources, specifically education, health, and total expenditures, to girls than to boys. The empirical literature has extensively examined trends in the sex ratio at birth and the effect of gender on the extensive margin of fertility. Much less of the existing literature has explored the impact of gender on the intensive margin of parental inputs mainly because of lack of individual child-level data, especially in urban China. This is an important area for …

Clemson Trustees Minutes, 2022 February 2, Clemson University Board Of Trustees

Minutes

No abstract provided.

Supplemental Schedules For The Year Ended June 30, 2022, Clemson University Controller's Office

Supplemental Schedules

No abstract provided.

Clemson Commencement Program, December 2021, Clemson University

Clemson Commencement Programs

No abstract provided.

Of Single Nucleotides And Single Cells: Charting The Genotype-Phenotype Map At High Resolution Using Drosophila Melanogaster, Sneha Shreekant Mokashi

All Dissertations

Understanding the mechanisms by which genetic variation brings about phenotypic variation is essential for understanding variation in complex traits. Drosophila melanogaster is a powerful model organism for such studies. Flies are easy to raise in the laboratory under controlled genetic and environmental conditions and many genetic tools are widely available. To chart the genotype-phenotype map, we need to study how individual genetic variants contribute to phenotypic variation, as well as how environmental perturbations influence gene expression.

Regarding the former, I generated single nucleotide substitutions in Obp56h in a common genetic background. Obp56h, a member of the Odorant binding protein …

The Relationship Between Food Environments And Obesity Rates In The United States; Measured By The Modified Retail Food Environment Index, Mary Katherine Miller

All Theses

The modified Retail Food Environment Index (mRFEI) is a measurement created by the Centers for Disease Control and Prevention (CDC) designed to capture the number of healthy and less healthy food retailers in an area. Out of the total number of food retailers in that area considered either healthy or less healthy, the mRFEI represents the healthy percentage. The mRFEI index is commonly used to measure obesity amongst different levels of food access. Rather than simply relying on broad categorizations of food environments, using the raw index gives a more complete picture of the relationship between food availability and obesity. …

Effect Of Metal Ions On Stability Of Ascorbic Acid And Niacin Determined By Hplc, Jhongyan Huang

All Theses

Water-soluble vitamins, such as vitamin C and vitamin B, exist in various food stuffs, including vegetables, fruits, fortified grains, milk, and meat, etc. Those vitamers play essential roles in many biochemical functions in human body, thus are significant components for maintaining human health. However, the stability of vitamers is susceptible to many factors, such as light, temperature, metal ions, levels of oxygen concentration, and moisture contents, etc. As vitamers are prone to further degradation, their bioactivities can be remarkably affected and even lost in food processing and food products.In this study, effect of different metal ions (i.e., Na+, K+, Ca2+, …

Effects Of Cashew Nut Shell Extract On Nutrient Digestibility And Ruminal Fermentation Under In Vitro Batch Culture And Continuous Culture Conditions, Chandler Compton

All Theses

The overall objective of this research was to determine the effects of cashew nut shell extract (CNSE; 59% anacardic acid and 18% cardol) on nutrient digestibility and rumen fermentation profile under in vitro batch culture (Chapter 2) and continuous culture conditions (Chapter 3). The second objective was to determine an optimal supplementation dosage for dairy cows. The batch culture study was organized as a randomized complete block design with 15 replicates per treatment incubated for 24 h during four incubation runs. Each incubation was inoculated with rumen contents collected from ruminally fistulated cows fed either a close-up ( …

Investigation On Effects Of Lactate Adaptation Using Metabolic Indicators And Amino Acids To Explore Cell Metabolism, Lisa Uy

All Theses

Biopharmaceutical products are drugs that are made from living cells. One protein type of high importance to biopharmaceuticals is monoclonal antibodies. Monoclonal antibodies allow for highly specific, targeted treatment of diseases and detection of molecules related to diseases. With major roles in detecting and/or treating diseases like human immunodeficiency virus (HIV), coronavirus disease 2019 (COVID-19), and some cancers, monoclonal antibodies are in demand. This demand has led to a need for efficient cell culture systems to produce high yields of protein with minimal waste. The most commonly used cell culture system for these high-value proteins is Chinese hamster ovary (CHO) …

Recapture And Reuse Of Nitrogen And Phosphorus From Rendered Animal Materials To Enhance Nutrient Use Efficiency And Produce Quality In Agricultural Crop, Bhupinder Jatana

All Dissertations

The current fertilizer regime heavily relies on inorganic fertilizers to meet the crop nitrogen (N) and phosphorus (P) demand. However, the United States has a limited N production capacity, with 50% N demand met through imports. On the other hand, the nonrenewable natural reserves of P are being depleted at an unprecedented rate and are expected to be exhausted with in next 100 years. Additionally, high solubility/liability of the field applied inorganic fertilizers often results in lower nutrient use efficiency (NUE;

The MBM led to rapid N mineralization, with 35% of the applied N mineralized within the first five days …

Does Naturalness Influence Positive Learning Outcomes During Environmental Education Field Trips?, Lydia Kiewra

All Theses

Environmental education (EE) field trip programs in the United States often take place in outdoor, natural settings. Such natural environments provide ample opportunity for hands-on and immersive learning to occur, which may allow for positive cognitive and moral development in children. However, recent research on the impact of more natural settings on youths’ academic success has produced mixed outcomes, suggesting that the relationship between levels of naturalness and student success is more complex than previously assumed. Utilizing student surveys collected during 283 EE field trip programs and remotely sensed land cover data, this study examines the relationship between levels of …

Fine Mapping Of Chilling Requirement And Bloom Date To Enable Marker-Assisted Breeding Of Climate Resilient Peach, Gizem Demirel

All Theses

Peach (Prunus persica (L.) Batsch) fruit is a delicious summer treat appreciated for its sweet, juicy, and aromatic taste all over the globe. With only 44 calories and zero fat per fruit, peach has a great popularity among consumers and producers for its nutritional and economic value. Peach production is threatened by unpredictable climate changes, rising temperatures that reduce winter chill, especially in the warmer growing areas, resulting in fruit and yield loss. Therefore, it is necessary to develop cultivars that are resilient to environmental changes. Peach breeding takes a long time, and this process can benefit from the …

Longleaf Pine Restoration In The South Carolina Sandhills Wiregrass Gap, Jacob W. Murray

All Theses

Longleaf pine restoration has been a topic of great concern and intrigue in the southeast and has taken on new fervor in recent decades as restoration methods continue to develop. Many landowners and forest managers are now pursuing ecological forestry and restoration ecology in great numbers as a new form of land management. However, niche regions can often be overlooked, as is the case with the Carolina Sandhills Wiregrass Gap, an area devoid of wiregrass and one that is on the outskirt regions of the historical longleaf pine range. Field studies were conducted pre- and post-harvest during two growing seasons …

Effects Of Food-Grade Nonionic Surfactants On The Iron-Catalyzed Oxidative Stability Of Lycopene In Oil-In-Water Emulsions, Jeffrey Allen Bowles

All Dissertations

In this research a novel method for the rapid, direct measurement of oxidative lycopene degradation in oil-in-water emulsions via colorimetric means was developed. This analytical method was used to conduct experiments monitoring the degradation of lycopene-containing oil-in-water emulsions of decane spontaneously formed in the presence of nonionic surfactants (Span and Tween) of different tail lengths and molar ratios. The structure and ratio of these nonionic surfactants was manipulated to probe the mechanism of lycopene stabilization when iron-catalyzed oxidation was the main pathway of degradation, as controlled by pH and oil phase selection. The effect of addition of chloride salts with …

The Causal Effects Of Growing Up In A Two-Parent Household: Evidence From The Psid On Schooling, Earnings, And Labor Force Participation, Bob Shihao Wen

All Dissertations

The children who grew up in a two-parent household earn more than the other children reared in non-intact parental families. The causal effects of growing up in a two-parent household can be identified using two specification strategies. First, I include the parental household income and educational attainment in the model, along with the child’s demographic characteristics (age, gender, race, and state of residence), to disentangle the childhood family structure effect from the other parental influence. Second, I use the average state divorce rate over the child’s first 16 years of childhood and the childhood years of exposure to the no-fault …

Exploring The Role Of Ampk In Nutrient Sensing And Signaling In The Human Parasite Trypanosoma Brucei, Jessica Jones

All Dissertations

African trypanosomes are protozoan parasites that cause the diseases African sleeping sickness and nagana, in humans and cattle respectively. These parasites have complex life cycles with infection of a mammalian host, ~5mM glucose, following transmission by an insect vector, essentially zero glucose. With these pathogens being exposed to rapidly changing glucose abundance in a host-dependent manner, the ability to sense and rapidly respond to changes in the availability of the hexose are critical. First, I provide a review of glucose metabolism in Trypanosoma brucei. Then, we explore the role of the catalytic α subunit of AMPK, a eukaryotic master …

Fy2022 All Salaries $30-$50,000, Clemson University

Salary Reports

No abstract provided.

Fy2022 Faculty Salaries Over $50,000, Clemson University

Salary Reports

No abstract provided.

Fy2022 All Salaries Over $50,000, Clemson University

Salary Reports

No abstract provided.

Motivation (Constructs) Made Simpler: Adapting Self-Determination Theory For Community-Based Youth Development Programs, Denise Jones, Paul Feigenbaum

Journal of Youth Development

Motivation is a key factor for enhancing psychological engagement among underserved youth. However, the abundance of motivational constructs complicates the translation of theory into practice by community-based youth development programs. This paper simplifies the translation process, presenting an actionable motivation model derived from Ryan and Deci’s (2000) self-determination theory (SDT) and its sub-construct, organismic integration theory (OIT). This model was developed by Youth Enrichment Services (YES), a Pittsburgh-based nonprofit that cultivates long-term relationships, academic and professional success, and community engagement among low-income, adolescent students of color. Although intrinsic motivation to learn is more positively associated with psychological engagement than extrinsic …

The Evaluation Skill-A-Thon: Evaluation Model For Meaningful Youth Engagement, Elizabeth Sparks, Michelle Molina, Natalie Shepp, Fiona Davey

Journal of Youth Development

Active engagement of youth participants in the evaluation process is an increasingly sought out method, but the field can still benefit from new methods that ease youth participatory evaluation implementation. Meaningful youth engagement in the evaluation process is particularly advantageous under the 4-H thriving model because of its potential to contribute to positive youth development, foster relationship building, enhance evaluation capacity, and improve program quality through improved evaluations. This program sought to facilitate actively engaging youth in the evaluation process by breaking it up into clear and manageable steps including evaluation design, data collection, data interpretation and analysis, reporting results, …

Agency And Empowerment For Adolescent Girls: An Intentional Approach To Policy And Programming, Prerna Banati, Lauren Rumble, Nicola Jones, Sarah Hendriks

Journal of Youth Development

As national governments roll out COVID response plans, an opportunity arises to re-cast adolescent girls’ programs to centrally anchor them on girls’ voices, leadership, ambitions, and assets in development policies and programs. Drawing together the evidence on what we know works for adolescent girls, as well as the growing literature on positive strengths-based programming which are gradually and increasingly being applied, this commentary calls for a girl-intentional approach to policy and programming. A girl-intentional approach is described through 3 case studies, which illustrate the additionality of new or improved adolescent knowledge, skills, and competencies; improved opportunities for adolescent engagement, voice, …

Using The 4-H Essential Elements To Evaluate Teen Programming, Joy Lile, Elizabeth Weybright, Pam Watson

Journal of Youth Development

National and state trends indicate participation in 4-H programming declines throughout adolescence. Past research suggests factors that may influence recruitment and retention of teens into youth development programming. Washington State University undertook an evaluation to understand the needs and desires of teens in the 4-H program and make recommendations for improvements to recruitment and retention of teens in 4-H. The study sample was made up of 93 young people aged 12 to 19 years who participated in the online survey. Results included youth demographics, participation styles, communication preferences, youth outcomes, and feedback about program benefits and opportunities for growth. The …