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Articles 1 - 5 of 5
Full-Text Articles in Medicine and Health Sciences
The Effects Of Light Intensity And Cell Structure On The Cultivation Of Arthrospira Platensis, Taylor Barnhart
The Effects Of Light Intensity And Cell Structure On The Cultivation Of Arthrospira Platensis, Taylor Barnhart
Honors Theses
As scientists explore further into space, more cost-effective resources are needed for long-term space travel. An interesting solution is Arthrospira platensis, a filamentous cyanobacteria high in proteins and nutrients, and known for its helical structure. In unfavorable conditions, coiled spirulina cells become straight. Spirulina converts carbon dioxide gas into pure oxygen and the different cell structures stimulate different responses in oxygen production and cultivation. In these experiments, 2.3 L containers of pure coiled spirulina and mixed (coiled and straight) spirulina were placed into 3 incubators with different light intensities: 51μmol/m2/s, 25μmol/m2/s, 12μmol/m2/s. Each experiment length was 72 hours and the …
Effectiveness And Mechanism Of Action Of Modified Porphyrins For Photodynamic Therapy Of Triple Negative Breast Cancer Cells, Hannah Brandon
Effectiveness And Mechanism Of Action Of Modified Porphyrins For Photodynamic Therapy Of Triple Negative Breast Cancer Cells, Hannah Brandon
Honors Theses
Triple negative breast cancer (TNBC) is a particularly aggressive form of breast cancer that lacks the three molecules typically targeted for treatment. Standard treatment methods leave much to be desired--the rates of metastasis and recurrence are high and the prognosis for most patients with TNBC is poor. One potential treatment for TNBC is photodynamic therapy (PDT), which uses compounds called photosensitizers that are taken up by all tissues in the body. The tumor is exposed to light, activating the photosensitizer and creating reactive oxygen species that cause cell death. This method is relatively pain-free, effective, and does not harm cells …
Understanding The Hurting: A Look Into The Lives Of Families Battling Ewing's Sarcoma, Abigail Dekle
Understanding The Hurting: A Look Into The Lives Of Families Battling Ewing's Sarcoma, Abigail Dekle
Honors Theses
A look into the lives of families struggling with the effects of Ewing's Sarcoma.
Eating Disorders: Behind The Scenes, Katie Potts
Eating Disorders: Behind The Scenes, Katie Potts
Honors Theses
Eating disorders have become so widespread in our society that it is estimated that seven to ten million women and one million men have an eating disorder. Eating disorders do not discriminate; they can affect people of any race, age, gender, ethnicity, religion, and economic status. Research shows that about 76 percent of eating disorders begin between 11 and 20 years of age. Of all the diagnosed eating disorders, 77 percent will have a duration of one to fifteen years of the individual's life. Six percent of serious eating disorder cases end in death. An eating disorder is defined as …
Cystic Fibrosis: Biological And Ethical Considerations, Sarah Elizabeth Milam
Cystic Fibrosis: Biological And Ethical Considerations, Sarah Elizabeth Milam
Honors Theses
Cystic fibrosis (CF) is a progressive, multisystem disease whose etiology is a genetic mutation in the CF gene product, cystic fibrosis transmembrane conductance regulator (CFTR). The disorder affects all exocrine glands, with common symptoms involving the lungs and pancreas. Although the CF gene and its protein product have been identified, two aspects of the disease make CF particularly difficult to diagnose and manage: (a) variability in both degree and pattern of the mutation in different individuals and (b) lack of information regarding the precise molecular and cellular mechanisms responsible. Let us begin by examining the pathogenesis and pathophysiology of the …