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Articles 1 - 3 of 3
Full-Text Articles in Chemicals and Drugs
Towards Stable Electrochemical Sensing For Wearable Wound Monitoring, Sohini Roychoudhury
Towards Stable Electrochemical Sensing For Wearable Wound Monitoring, Sohini Roychoudhury
FIU Electronic Theses and Dissertations
Wearable biosensing has the tremendous advantage of providing point-of-care diagnosis and convenient therapy. In this research, methods to stabilize the electrochemical sensing response from detection of target biomolecules, Uric Acid (UA) and Xanthine, closely linked to wound healing, have been investigated. Different kinds of materials have been explored to address such detection from a wearable, healing platform. Electrochemical sensing modalities have been implemented in the detection of purine metabolites, UA and Xanthine, in the physiologically relevant ranges of the respective biomarkers. A correlation can be drawn between the concentrations of these bio-analytes and wound severity, thus offering probable quantitative insights …
Nucleoside Analogues For Positron Emission Tomography Imaging And To Study Radiation Mediated Generation Of Radicals From Azides, Maria E. De Cabrera
Nucleoside Analogues For Positron Emission Tomography Imaging And To Study Radiation Mediated Generation Of Radicals From Azides, Maria E. De Cabrera
FIU Electronic Theses and Dissertations
Gemcitabine is a potent anticancer cytidine analogue used to treat solid tumors. Its efficacy is diminished by rapid deamination to a toxic uridine derivative by cytidine deaminase. To overcome this limitation and add radioactive nuclei (18F or 68Ga) for PET imaging, I synthesized two 4-N-alkylgemcitabine analogues i) bearing β-keto tosylate moiety for subsequent 18F-fluorination and ii) having SCN-Bn-NOTA chelator to complex 68Ga. The first was synthesized by replacement of tosylamide in 4-N-tosylgemcitabine with 1-amino-10-undecene, followed by elaboration of terminal alkene through dihydroxylation, regioselective tosylation and oxidation. Subsequent fluorination using KF in …
Topoisomerase And Tyrosyl-Dna-Phosphodiesterase Ratio As An Indicator For The Response Of Glioblastoma Cancer To Topoisomerase Targeting Anticancer Drugs, Wenjie Wang
FIU Electronic Theses and Dissertations
Glioblastoma (GBM) patients have an estimated survival of ~15 months, with the standard of care (surgery, radiation, and chemotherapy) that has only modestly enhanced patient survival. Identifying biomarkers representing vulnerabilities in GBM biology may allow for the selection of effective and safe chemotherapy options. Irinotecan (IRT), a genotoxic compound currently in clinical trials for GBM, targets topoisomerase I (TOP1) by forming an irreversible ternary DNA-TOP1 cleavage complex (TOP1cc) and leads to apoptosis. Tyrosyl-DNA phosphodiesterase 1 (TDP1) is a crucial repair enzyme that rescues TOP1cc and reduces the effectiveness of IRT. In the current study, we evaluate the value of the …