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Articles 1 - 27 of 27
Full-Text Articles in Medicine and Health Sciences
Detection And Extraction Of Pfoa And Pfos Via Mips, Joseph Redding
Detection And Extraction Of Pfoa And Pfos Via Mips, Joseph Redding
Senior Honors Theses
Perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) are utilized as surfactants in many different materials. With an immensely stable structure due to the presence of carbon-fluorine bonds, PFOA and PFOS are resistant to degradation. Known to persist in water resources, these compounds tend to bioaccumulate and impute toxic effects on human health, such as decreased fertility and immune function. To date, there exists no effective approach to the removal of these lingering compounds. Because of the health risks, there is increasing urgency to devise a means by which to detect and withdraw PFOA and PFOS from the environment. In …
The Purification And Thermal Stability Of The Peroxidase Enzyme In Cucurbita Moschata, Garen Hamner
The Purification And Thermal Stability Of The Peroxidase Enzyme In Cucurbita Moschata, Garen Hamner
Senior Honors Theses
Peroxidases are enzymes that catalyze the reduction of hydrogen peroxide to water while oxidizing organic substrates and are valuable in spheres like industrial and medical applications and histochemistry. Limitations still exist in the use of the well-studied horseradish peroxidase for certain activities due to limitations like poor thermal stability, thus the search for novel peroxidases that can overcome these limitations is an active area of research. Butternut squash peroxidase (Cucurbita moschata) (BSP) shows promise due to significant activity being found in the skin and apparent enhanced thermal stability, but an efficient purification scheme for it is lacking, as well as …
Design And Synthesis Of Peripherally Selective Endocannabinoid Enzyme Inhibitors For Ocular Indications, Kezia Reji Thomas
Design And Synthesis Of Peripherally Selective Endocannabinoid Enzyme Inhibitors For Ocular Indications, Kezia Reji Thomas
Senior Honors Theses
Peripherally selective compounds have been found to stimulate endocannabinoid receptor activity, which has been observed to have positive physiological effects such as ocular wound healing and inflammation control. The activation of the cannabinoid 1 receptor via binding of the endogenous ligands, anandamide and 2-arachidonoylglycerol, has been indicated to elicit these effects. Both ligands are controlled by two hydrolase enzymes, fatty acid amide hydrolase (FAAH) and monoacylglycerol lipase (MAGL), which can be targeted for therapeutic inhibition. Sulfonamide derivatives of JZL195 containing carbamate functionalities in the southern region of the inhibitor compounds were produced using novel carbamate exchange reactions. Polar functionalities were …
The Application Of Continuous Stationary Phase Gradients To High-Performance Liquid Chromatography And Its Potential To Improve Pharmacological Research, Hannah Klose
Senior Honors Theses
The separation of mixtures into different components is integral to experimentation and analysis in a multitude of fields. Chromatography is one of the most popular, well-developed, and well-studied methods used to examine the makeup of a mixture. Thus, the improvement of chromatographic procedures directly benefits research across many scientific disciplines. The application of a continuous stationary phase gradient to High-Performance Liquid Chromatography (HPLC) methods has been proposed to improve the separation of complex mixtures that are difficult to achieve with existing separation techniques. By incorporating a gradient stationary phase, analysts will create a more selective mode of separation to improve …
Synthesis And Characterization Of Some Disubstituted Cyclopentadienyl Rhenium Complexes As Potential Candidates In Semiconductive Materials, Chloe Vernon
Senior Honors Theses
Since 2000, when the Nobel Prize in Chemistry as awarded for conductive polymer research few studies have been performed concerning the conductive capabilities of discrete organometallic compounds. For this project, organometallic compounds were formed specifically with a transition metal included in the structure. Through oxidation and reduction reactions, the variation in the electrical conductivity could allow for an analysis of whether this unique structure would allow for tunability. The goal of this research was to begin with aromatic substituted fulvenes and perform various multistep synthesis processes, utilizing thallium salt intermediates, to produce several disubstituted cyclopentadienyl rhenium complexes. In this project, …
Mandates, Mistrust, And Misconceptions: An Overview Of Vaccine Hesitancy, Evelyn Ryan
Mandates, Mistrust, And Misconceptions: An Overview Of Vaccine Hesitancy, Evelyn Ryan
Senior Honors Theses
Vaccines are one of the most successful ways to prevent diseases and are considered one of the most influential achievements in the history of public health. While vaccines have many benefits, the number of parents that refuse vaccinations for their children is increasing. People are concerned about potential risks and health problems that are thought to result from vaccination. There are risks and contraindications involved with vaccines, but many reasons for vaccine hesitancy that are cited by the public are not founded on evidence-based data. When making vaccine decisions, it is essential that the public has accurate information and that …
Efficacy Of Kidney Reperfusion Treatments Relative To Function And Survival Rates After Transplantation, Mitchell Rohr
Efficacy Of Kidney Reperfusion Treatments Relative To Function And Survival Rates After Transplantation, Mitchell Rohr
Senior Honors Theses
Donor kidneys are damaged upon circulatory death before being preserved with machine perfusion until transplantation. During machine perfusion, blood is pumped back into the vasculature of the kidney, causing damage called ischemic reperfusion injury. The two forms of machine perfusion are hypothermic machine perfusion and normothermic machine perfusion. Different methods of treatment can be used during either hypothermic machine perfusion or normothermic machine perfusion to prevent ischemic reperfusion injury. Each of the treatment methods that were reviewed showed potential for preventing ischemic reperfusion injury, with hypothermic treatments having higher average levels of feasibility than normothermic treatments. The effect of the …
Frequency Of Marijuana Use By California University Students Based On Gender And Ethnicity: A Quantitative Analysis, Evelyn Lorraine Anderson
Frequency Of Marijuana Use By California University Students Based On Gender And Ethnicity: A Quantitative Analysis, Evelyn Lorraine Anderson
Doctoral Dissertations and Projects
The purpose of this quantitative causal-comparative study was to determine the frequency of marijuana use by California university students based on gender and ethnicity. This study was important because marijuana is the most used illicit substance in the United States, and there is limited research regarding the demographic characteristics of California university students who use marijuana. The quantitative research design was used to describe the patterns of marijuana use by California university students. The setting was online. The participants included a random sample of 167 college students from five California state universities. The Daily Sessions, Frequency, Age of Onset, and …
Determining The Genomic Localization And Binding Partners Of Zinc Finger Protein 410, Mariko Locke
Determining The Genomic Localization And Binding Partners Of Zinc Finger Protein 410, Mariko Locke
Senior Honors Theses
The results of a folate deficiency study affecting cognition in mice suggested the altered genes may be controlled by a transcription factor known as Zinc Finger Protein 410 (Zfp410). Due to a lack of literature on Zfp410’s interacting proteins and DNA-binding location, our study aims to further elucidate the role Zfp410 plays in affecting cognition. A custom antibody was used to determine the Zfp410 isoforms present in mouse and rat brains. Moreover, the antibody was used to determine the binding partners of Zfp410 in the brain and locate specific genomic regions/sequences with which it associates in vivo. These results may …
Jnk And Nf-Κb Cell Signaling Pathways In Cardiovascular Disease Present Potential Targets For Curcumin Therapy, Mary Richfield
Jnk And Nf-Κb Cell Signaling Pathways In Cardiovascular Disease Present Potential Targets For Curcumin Therapy, Mary Richfield
Senior Honors Theses
Curcumin (diferuloylmethane) is a compound derived from the rhizomes of Curcumin longa that has been long used for medicinal purposes. Curcumin alleviates the pathology of cardiovascular diseases, including atherosclerosis, aneurysm, and cardiomyopathy. The mechanism of curcumin therapy is under active research. The NF-κB and JNK pathways are two that curcumin interacts with to block inflammatory processes, apoptosis, and fibrotic tissue remodeling to prevent the pathologies of cardiovascular disease. While curcumin has demonstrated powerful mediation of cardiovascular disease, its bioavailability in body tissues is limited due to the instability and hydrophobicity of its structure. Further work is underway to stabilize …
Vaccines: The Controversies And Effects Surrounding The Mmr Vaccine, Abigail Schley
Vaccines: The Controversies And Effects Surrounding The Mmr Vaccine, Abigail Schley
Senior Honors Theses
The MMR vaccine serves to prevent the onset of severe illness and transmission of measles, mumps, and rubella. Vaccines benefit an individual by strengthening their immunity to a virus or bacteria through a small or weakened introduction of the disease in the body. However, in recent years, people have blamed the MMR vaccine for the development of several health risks in children, namely autism. Although multiple studies have indicated that there exists no link between the MMR vaccine and autism, some parents choose not to vaccinate their children due to misinformation or lack of education. This thesis seeks to explore …
Drug Analysis: Using Hplc To Identify Two Common Cutting Agents Often Found Illegal Within Drugs, Jed Black
Drug Analysis: Using Hplc To Identify Two Common Cutting Agents Often Found Illegal Within Drugs, Jed Black
Senior Honors Theses
Oftentimes, illegal drugs are cut with additional substances, known as cutting agents. These cutting agents fall into two categories: Diluents and adulterants. Diluents have no physiological effect on the user and simply allow the distributor to give the perception of “more product made.” Common examples of diluents are usually everyday household commodities (i.e., sugar or corn starch). On the other hand, adulterants are used to mimic or enhance the drug's physiological effects (i.e., caffeine in cocaine). As such, these do have drug-like properties (i.e., CNS stimulation or depression, etc.). This thesis seeks to use High-Performance Liquid Chromatography (HPLC) to efficiently …
Electronic Cigarettes’ Health Effects On Young Adults: An Honors Thesis, Miranda Yates
Electronic Cigarettes’ Health Effects On Young Adults: An Honors Thesis, Miranda Yates
Senior Honors Theses
Hon Lik introduced e-cigarette use in 2003 as a “safe alternative” to smoking cigarettes. Unfortunately, this message has been misinterpreted to mean that e-cigarette use is “harmless”. Recent studies have linked e-cigarette use to adverse health effects involving injury to the heart and lungs. Cigarette smokers using e-cigarettes to quit smoking and reduce second-hand smoke are being exposed to unregulated and potentially harmful chemicals. Teens who may never have considered cigarette smoking have been led to believe that e-cigarette use is safe and non-addictive. However, most e-cigarettes contain nicotine and unsuspecting teens are becoming addicted to this “fun” behavior. This …
Contraceptive Methods In The United States: The Question Of Abortive Mechanisms, Tara Ferenczy
Contraceptive Methods In The United States: The Question Of Abortive Mechanisms, Tara Ferenczy
Senior Honors Theses
This thesis reviews the many methods of contraception available in the United States. Although society’s understanding of women’s health has become a major topic, there is still a significant deficit of information regarding how the accessible methods affect women’s bodies, specifically reproductive tissue. The thesis analyzes numerous contraceptive options focusing specifically on the mechanisms of action to determine whether options have abortifacient properties so that readers may develop educated opinions regarding medical and ethical uses. Information involving strengths and limitations of each technique and the effects on both the female body and the reproductive material assist in understanding the process …
Vaccines In Current Culture: The Hpv Vaccine Controversy, Alyssa Johnston
Vaccines In Current Culture: The Hpv Vaccine Controversy, Alyssa Johnston
Senior Honors Theses
The use of vaccinations has drastically decreased mortality and morbidity rates related to infectious disease and has become an intrinsic part of modern health care. However, the fear of risks related to vaccines has been partially responsible for the decisions of many parents to delay or avoid vaccinating their children. The human papilloma virus (HPV) vaccine specifically is one of the most controversial vaccines in current culture due to reports of new onset or exacerbation of autoimmune diseases, infertility, and even death following its administration. This review synthesizes information regarding the relevance and safety of the HPV vaccine, as well …
A Closer Look At Muscle Breakdown: An Overview Of The Causes, Complications, And Diagnostics Of Rhabdomyolysis, Jamie Holchin
A Closer Look At Muscle Breakdown: An Overview Of The Causes, Complications, And Diagnostics Of Rhabdomyolysis, Jamie Holchin
Senior Honors Theses
Rhabdomyolysis is the rapid breakdown of myocytes in skeletal muscle. This condition can be triggered by a variety of things including crush injury, drugs, prolonged exercise, and venom. Although the causes can vary, the general pathophysiology of rhabdomyolysis is similar. Increased intracellular calcium ion levels instigate the breakdown of cellular and certain organelle membranes of muscle cells. Reactive oxygen species form, ATP is depleted, and the sarcoplasmic reticulum, which regulates muscle contraction, is also damaged. Necrosis ensues, leading to toxic intracellular components spreading throughout the body. Rhabdomyolysis can then lead to several complications including acute renal injury and heart arrhythmias, …
Modulator Therapy For Cystic Fibrosis: An Exploration Of Current Research, Jessalyn Rombocos
Modulator Therapy For Cystic Fibrosis: An Exploration Of Current Research, Jessalyn Rombocos
Senior Honors Theses
Developing a drug therapy that addresses the root cause of cystic fibrosis (CF) by increasing CFTR protein levels has long been a research challenge. After genetic therapy failed because a suitable delivery system could not be found, researchers began searching for small organic molecules that could act as chaperones for CFTR. These molecules, known as modulators, allowed CFTR to be assembled correctly and function similarly to wild type CFTR. Since 2012, four modulator drugs have been developed, tested, and approved by the FDA. In October 2019, Trikafta was approved as the first triple-combination modulator drug and has completely revolutionized CF …
Alzheimer's And Amyloid Beta: Amyloidogenicity And Tauopathy Via Dyshomeostatic Interactions Of Amyloid Beta, Jordan Tillinghast
Alzheimer's And Amyloid Beta: Amyloidogenicity And Tauopathy Via Dyshomeostatic Interactions Of Amyloid Beta, Jordan Tillinghast
Senior Honors Theses
This paper reviews functions of Amyloid-β (Aβ) in healthy individuals compared to the consequences of aberrant Aβ in Alzheimer’s disease (AD). As extraneuronal Aβ accumulation and plaque formation are characteristics of AD, it is reasonable to infer a pivotal role for Aβ in AD pathogenesis. Establishing progress of the disease as well as the mechanism of neurodegeneration from AD have proven difficult (Selkoe, 1994). This thesis provides evidence suggesting the pathogenesis of AD is due to dysfunctional neuronal processes involving Aβ’s synaptic malfunction, abnormal interaction with tau, and disruption of neuronal homeostasis. Significant evidence demonstrates that AD symptoms are partially …
Infections Not Fought: Antibiotic Resistance In Underserved Communities, Derek Lillestolen
Infections Not Fought: Antibiotic Resistance In Underserved Communities, Derek Lillestolen
Senior Honors Theses
In 1928, the profound effects of penicillin were discovered and antibiotic treatments became extremely popular. Broad-spectrum antibiotics, like tetracyclines, have been since branded as cure-all prescriptions and used profusely in the Western World and abroad. Due to ignorance of specific biochemical mechanisms and the misuse of antibiotics these drugs inadvertently allowed the rise in prevalence of antibiotic resistant strains of certain bacteria as the century progressed. Now, the specific genetic causes and mechanisms of antibiotic resistance are being understood, but the fight against antimicrobial resistance is far from over. In the United States, thousands of fatalities are caused annually by …
Towards The Development Of A Novel Dna Binding Fluorescent Cell Stain; An Analysis Of Common Dna Dyes And Their Applications, Lauren Kapteyn
Towards The Development Of A Novel Dna Binding Fluorescent Cell Stain; An Analysis Of Common Dna Dyes And Their Applications, Lauren Kapteyn
Senior Honors Theses
Fluorescent deoxyribonucleic acid (DNA) stains that permeate cells are used to observe cellular processes in vivo, making them valuable tools. For the proposal of a new stain, ethidium bromide, cyanine dyes, Hoechst stains, macarpine, DAPI and DRAQ5 are first examined. Features contributing to DNA binding mechanism, toxicity, and cell membrane transport are analyzed for these compounds. The mechanism of DNA binding contributes to the toxicity of the compound. For dyes with well-understood transport mechanisms, multi-drug protein transporters are vital players, though this remains an area for ongoing research as many mechanisms are not well studied. A novel anthraquinone-based compound …
A Review Of Ankylosing Spondylitis, Hannah L. Owen
A Review Of Ankylosing Spondylitis, Hannah L. Owen
Senior Honors Theses
Ankylosing spondylitis (AS) is a systemic autoimmune disorder that induces ankylosis of the spine (fusion of the vertebrae at their various joints) and inflammatory arthritis of peripheral joints among other symptoms. Overexpression of cytokines, the presence of genetic mutations not exclusive to the human leucocyte antigen (HLA)-B27 region, and environmental factors all have large roles in the progressive development of AS. Although a definitive pathology continues to be sought after, researchers believe the adaptive immune system in AS patients attacks fibrocartilaginous entheses (supportive connective tissue between bone and attached structures like tendon, ligament, and fascia).
AS markedly reduces proper systemic …
Antibiotic Overuse: The History, Consequences, And Possible Solutions, Brooke A. Bost
Antibiotic Overuse: The History, Consequences, And Possible Solutions, Brooke A. Bost
Senior Honors Theses
Antibiotic overuse has become alarmingly accepted in the developed world. This overuse is leading to drug resistance in microbes, resulting in bacterial infections that are impossible to treat. Steps must be taken to reverse the damage that has already been done and prevent further resistance from developing. This thesis will examine the context and societal situations that led to this acceptance of antibiotic overuse and misuse seen in both health care professionals and the public, the biochemical and genetic pathways that allow a microbe to develop drug resistance, the various methods that have been suggested by experts to prevent and …
The Utilization Of Exogenous Surfactant In The Neonate, Katherine Thorkildsen
The Utilization Of Exogenous Surfactant In The Neonate, Katherine Thorkildsen
Senior Honors Theses
Respiratory distress syndrome (RDS) is a common consequence of pulmonary immaturity in the lungs of neonates. RDS is the result of the deficient secretion of endogenous surfactant, causing increased surface tension in the alveolar sacs leading to respiratory compromise. RDS is more common in the preterm neonate but can be experienced by neonates at any gestational age. Treatment for RDS formerly consisted of mechanical ventilation and oxygen therapy to treat and relieve symptoms but not the cause. A new treatment method, developed largely in the 1980s and 90s is the use of exogenous surfactant to treat the deficiency exhibited in …
The Controversy Of Vaccinations, Nicholas G. Aboreden
The Controversy Of Vaccinations, Nicholas G. Aboreden
The Kabod
Recently vaccination has become a controversial topic. There is a growing number of people who believe that vaccines carry great health risks to patients and therefore refuse to be vaccinated or to vaccinate their children. This ill-informed view of immunizations is beginning to cause serious problems in the United States as growing numbers of disease cases are being seen. A closer look into the science of vaccines and the benefits they have brought, clearly show that not only do vaccines carry very little risk to patients, but they are responsible for the eradication and reduction of multiple debilitating diseases.
Childhood Obesity And Familial Hypercholesterolemia: Genetic Diseases That Contribute To Cardiovascular Disease, Alyssa Caudle
Childhood Obesity And Familial Hypercholesterolemia: Genetic Diseases That Contribute To Cardiovascular Disease, Alyssa Caudle
Senior Honors Theses
Childhood obesity occurs as the result of an imbalance between caloric intake and energy expenditure. Genetic risk factors for obesity have become an area of research due to its permanency. Mutated genes such as Fat Mass and Obesity Associated (FTO), Leptin (LEP), Leptin Receptor (LEPR), Melanocortin 4 Receptor (MC4R), Adiponectin C1Q and Collagen Domain Containing (ADIPOQ), Proprotein Convertase Subtilisin/Kexin Type 1 (PCSK1), and Peroxisome Proliferator-Activated Receptor Gamma (PPARG) all contribute to the development of childhood obesity. In the presence of high cholesterol caused by obesity, the genetic condition known as familial hypercholesterolemia is exacerbated. Familial hypercholesterolemia is caused by a …
Oral Contraceptives, Stephenie G. Fortier
Oral Contraceptives, Stephenie G. Fortier
Senior Honors Theses
Cyclic oral contraceptive and continuous oral contraceptives have many similarities yet a few distinct differences. One of the major differences between cyclic and continuous oral contraceptives is that cyclic oral contraceptive pills have twenty one active pills and seven inactive pills versus the new continuous oral contraceptive pills which have 28 active pills and no inactive pills. However, though cyclic and continuous oral contraceptives do have a few differences, both types of oral contraceptives affect a woman’s body in similar ways. When choosing between cyclic and continuous oral contraceptives, it is important for women to be informed about the advantages …
Oral Contraceptives: The Risks, Benefits, And Dilemmas, Courtney S. West
Oral Contraceptives: The Risks, Benefits, And Dilemmas, Courtney S. West
Senior Honors Theses
Millions of women have chosen to use oral contraceptives for various reasons. However, the question must be raised as to the awareness level of the risks and benefits associated with the use of oral contraceptives. Numerous studies have been performed to establish the effects of oral contraceptives. This thesis examines these studies to consolidate the most current findings.
In order to present these studies effectively, this thesis will begin by briefly summarizing the menstrual cycle and how the use of oral contraceptives affects menstruation. Following this, a review of the risks, benefits, and ethical dilemmas will be presented. Utilizing the …