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Life Sciences

Ouachita Baptist University

Honors Theses

Theses/Dissertations

Cancer therapy

Publication Year

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Honokoil Treatment On Glioblastoma Cells, Julianne Weaver Apr 2021

Honokoil Treatment On Glioblastoma Cells, Julianne Weaver

Honors Theses

Glioblastoma is a malignant brain tumor without effective treatment options available because of its resistance to chemotherapy and radiation. This specific type of cancer is difficult to treat because the cancer stem cells that are not actively growing. These cells are dormant, which means they will not react to treatment because they are not dividing, and it is these cells that result in the high prevalence of relapse. Honokiol is a Chinese magnolia species that is known for its anti-inflammatory, anti-proliferative, and proapoptotic effects which make it an optimal candidate for glioma cell treatment. Honokiol was used in this experiment …


Developing A New Water-Soluble Porphyrin As A Potential Photodynamic Cancer Therapy Agent, Catherine Shirley Apr 2020

Developing A New Water-Soluble Porphyrin As A Potential Photodynamic Cancer Therapy Agent, Catherine Shirley

Honors Theses

Photodynamic cancer therapy (PDT) is a type of treatment involving the use of light in conjunction with a photosensitive agent- a chemical or series of chemicals designed for activation when exposed to light. This research project investigated the synthesis and identification of the novel photosensitive agent, H2TPP-Pro-OH. To create the water-soluble porphyrin, (S)-(+)-prolinol was reacted with the tetra-carboxyl porphyrin, H2TPPC, to form the final H2TPP-Pro-OH product. This compound was then purified using syringe filtration and column chromatography, and subsequently characterized using infrared (IR), nuclear magnetic resonance (NMR), and Ultraviolet-visible (UV-vis) spectroscopies, as well as High Performance Liquid Chromatography (HPLC). Finally, …


Preparation And Cytotoxicity Of Novel Carbon Nano-Onion Materials, Cammie York Apr 2020

Preparation And Cytotoxicity Of Novel Carbon Nano-Onion Materials, Cammie York

Honors Theses

The applications of carbon nanomaterials (CNM), including graphene and its derivatives such as carbon nanotubes (CNTs) in nanomedicine is well established. These nanomaterials have been widely used as theranostic delivery systems with the potential to deliver bioactive agents and simultaneously detect selectively diseased tissues. A rather underexplored CNM for biomedical imaging and theranostics delivery are carbon nano-onions (CNOs). CNOs are carbon-based nanomaterials that can potentially be used in cancer therapy when they are functionalized. Recent studies on cellular fate of different CNMs, including CNOs, have demonstrated that the surface composition is critical for the in vivo application of these CNM. …


Effectiveness And Mechanism Of Action Of Modified Porphyrins For Photodynamic Therapy Of Triple Negative Breast Cancer Cells, Hannah Brandon Jan 2019

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 …