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Biochemistry, Biophysics, and Structural Biology Commons™
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Articles 1 - 6 of 6
Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Antibiotic Drug Discovery Targeting Bacterial Metabolism, Miranda J. Wallace
Antibiotic Drug Discovery Targeting Bacterial Metabolism, Miranda J. Wallace
Theses and Dissertations (ETD)
Over the last century, the use of antibiotics has enabled many advances in modern medicine, making life as we know it possible. In recent years, however, emerging bacterial resistance to virtually all major antibiotic classes has resulted in a worldwide increase in morbidity, mortality, and financial burden associated with drug resistant infections. The antimicrobial resistance crisis presents an urgent need for new antimicrobials with distinct mechanisms of action from existing drugs. The current pharmaceutical pipeline of new antibiotics is limited due to three obstacles: a lack of understanding of resistance mechanisms, a dearth of novel mechanisms of action among new …
Regulation Of Cyp3a5 In Pancreatic Ductal Adenocarcinoma, Jessica D. Hoyer
Regulation Of Cyp3a5 In Pancreatic Ductal Adenocarcinoma, Jessica D. Hoyer
Theses and Dissertations (ETD)
CYP3A5 is a drug metabolism enzyme that is polymorphically expressed in normal tissues and expressed in high amounts in some cancers, including pancreatic ductal adenocarcinoma (PDAC). There have been several published studies regarding CYP3A5 regulators, but there is still much to be discovered concerning CYP3A5 regulation in cancer. To further understand the regulation of CYP3A5, a high-throughput screen was performed in the AsPC-1 PDAC cell line. This screen employed small interfering RNA (siRNA) targeting transcription factors and chromatin-associated proteins. We identified siRNA that decreased CYP3A5 mRNA and protein levels in AsPC-1 cells and probed into the potential mechanisms. Taken together, …
Experimental Evidence Supportive Of The Quantum Dna Model, F. Matthew Mihelic
Experimental Evidence Supportive Of The Quantum Dna Model, F. Matthew Mihelic
Faculty Publications
The DNA molecule can be modeled as a quantum logic processor in which electron spin qubits are held coherently in each nucleotide in a logically and thermodynamically reversible enantiomeric symmetry, and can be coherently conducted along the pi-stacking interactions of aromatic nucleotide bases, while simultaneously being spin-filtered via the helicity of the DNA molecule. Entangled electron pairs can be separated by that spin-filtering, held coherently at biological temperatures in the topologically insulated nucleotide quantum gates, and incorporated into separate DNA strands during DNA replication. Two separate DNA strands that share quantum entangled electrons can be mitotically divided into individual cells, …
An Investigation Into Clinically Relevant Determinants Of Azole Resistance In Candida Albicans, Andrew T. Nishimoto
An Investigation Into Clinically Relevant Determinants Of Azole Resistance In Candida Albicans, Andrew T. Nishimoto
Theses and Dissertations (ETD)
"Candida albicans is a commensal organism commonly colonizing the human gut and skin. As an opportunistic pathogen, it can cause persistent and serious infections in individuals with compromised immune systems, including the very young and elderly. Moreover, C. albicans can cause a wide spectrum of diseases ranging from superficial mucosal infections to life-threatening invasions of the organs and bloodstream. Candida species are the most common cause of invasive fungal disease, which is associated with high mortality and imposes a heavy toll on the healthcare system. Over the last 30 years, the azole antifungals have been a mainstay of antifungal therapy, …
Implications Of The Landauer Limit For Quantum Logic, F. Matthew Mihelic
Implications Of The Landauer Limit For Quantum Logic, F. Matthew Mihelic
Faculty Publications
The design of any system of quantum logic must take into account the implications of the Landauer limit for logical bits. Useful computation implies a deterministic outcome, and so any system of quantum computation must produce a final deterministic outcome, which in a quantum computer requires a quantum decision that produces a deterministic qubit. All information is physical, and any bit of information can be considered to exist in a physicality represented as a decision between the two wells of a double well potential in which the energy barrier between the two wells must be greater than kT·ln2. Any proposed …
Szilard Engine Reversibility As Quantum Gate Function, F. Matthew Mihelic
Szilard Engine Reversibility As Quantum Gate Function, F. Matthew Mihelic
Faculty Publications
A quantum gate is a logically and thermodynamically reversible situation that effects a unitary transformation of qubits of superimposed information, and essentially constitutes a situation for a reversible quantum decision. A quantum decision is a symmetry break, and the effect of the function of a Szilard engine is a symmetry break. A quantum gate is a situation in which a reversible quantum decision can be made, and so if a logically and thermodynamically reversible Szilard engine can be theoretically constructed then it would function as a quantum gate. While the traditionally theorized Szilard engine is not thermodynamically reversible, if one …