Barrett

Barrett, The Honors College at Arizona State University proudly showcases the work of undergraduate honors students by sharing this collection exclusively with the ASU community.

Barrett accepts high performing, academically engaged undergraduate students and works with them in collaboration with all of the other academic units at Arizona State University. All Barrett students complete a thesis or creative project which is an opportunity to explore an intellectual interest and produce an original piece of scholarly research. The thesis or creative project is supervised and defended in front of a faculty committee. Students are able to engage with professors who are nationally recognized in their fields and committed to working with honors students. Completing a Barrett thesis or creative project is an opportunity for undergraduate honors students to contribute to the ASU academic community in a meaningful way.

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Investigation of Cell Media and Aminoglycoside Hydrogel Properties for Cancer Cell Dormancy

Description
In a dormant state, cancer cells survive chemotherapy leaving the opportunity for cancer cell relapse and metastasis ultimately leading to patient death. A novel aminoglycoside-based hydrogel ‘Amikagel’ developed in Dr. Rege’s lab serves as a platform for a 3D tumor microenvironment (3DTM) mimicking cancer cell dormancy and relapse. Six Amikagels…

In a dormant state, cancer cells survive chemotherapy leaving the opportunity for cancer cell relapse and metastasis ultimately leading to patient death. A novel aminoglycoside-based hydrogel ‘Amikagel’ developed in Dr. Rege’s lab serves as a platform for a 3D tumor microenvironment (3DTM) mimicking cancer cell dormancy and relapse. Six Amikagels of varying mechanical stiffness and adhesivities were synthesized and evaluated as platforms for 3DTM formation through cell viability and cell cycle arrest analyses. The impact of fetal bovine serum concentration and bovine serum albumin concentration in the media were studied for their impact on 3DTM formation. These experiments allow us to identify the best possible Amikagel formulation for 3DTM.
ContributorsGjertsen, Haley Nicole (Author) / Rege, Kaushal (Thesis director) / Grandhi, Taraka Sai Pavan (Committee member) / Chemical Engineering Program (Contributor) / Barrett, The Honors College (Contributor)
Created2016-05
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Anti-Neoplastic Drug Conjugated Aminoglycoside Microbeads for Plasmid DNA Binding

Description
Plasmid DNA (pDNA) purification has been extensively investigated for various biological and biochemical applications such as transfection, polymerase chain reaction and DNA therapeutics. In the previous paper, we have described the synthesis, characterization and evaluation of microbeads (“Amikabeads”) derived from aminoglycoside amikacin for pDNA binding via anion-exchange chromatography. Here, we…

Plasmid DNA (pDNA) purification has been extensively investigated for various biological and biochemical applications such as transfection, polymerase chain reaction and DNA therapeutics. In the previous paper, we have described the synthesis, characterization and evaluation of microbeads (“Amikabeads”) derived from aminoglycoside amikacin for pDNA binding via anion-exchange chromatography. Here, we investigated the pDNA binding performance of conjugating Amikabeads with two highly specific DNA binding ligands via minor groove hydrophobic interaction. The pDNA maximum binding capacity of doxorubicin drug-conjugated Amikabeads (“doxo-beads”) was found out to be 429 μg pDNA/ mg of doxo-beads with a Langmuir constant of 8.21*10-4 L/mg, whereas the binding performance of berenil drug-conjugated "mikabeads (“berenil-beads”) was 142 μg pDNA/mg of berenil-beads with a adsorption constant of 4.71*10-5 L/mg. In addition, the desorption percentage of doxo-beads and berenil-beads was obtained as 52% and 41%, respectively. Our results indicate that by conjugating with highly specific DNA binding ligands, Amikabeads-drug complex enhances the pDNA binding performance and contains a promising potential for future applications in biotechnology field.
ContributorsLin, Nan (Author) / Rege, Kaushal (Thesis director) / Grandhi, Taraka Sai Pavan (Committee member) / Chemical Engineering Program (Contributor) / Barrett, The Honors College (Contributor)
Created2016-05