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Molecular Biology

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HIM 1990-2015

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A Tripartile Biosensor For Real-Time Snss Detection In Dna Hairpin Motif, Camha Nguyen May 2011

A Tripartile Biosensor For Real-Time Snss Detection In Dna Hairpin Motif, Camha Nguyen

HIM 1990-2015

The hybridization between two complementary strands of nucleic acid is the basis for a number of applications in DNA and RNA analysis, including in vivo RNA monitoring, microarrays, SNPs detection, and so on. The short oligonucleotide probes form Watson/Crick base pairs (A-T and G-C) with the analyzed nucleic acid. Molecular beacon (MB) probe is one of the most advantageous tools for nucleic acid analysis in real-time. A traditional MB probe consists of a DNA strand folded in hairpin motif with a fluorophore attached to the 5'end and a quencher attached to the 3' end. The loop segment is complementary to …


Plant-Made Oral Vaccines Evaluation Of Capsules, James Stewart New May 2011

Plant-Made Oral Vaccines Evaluation Of Capsules, James Stewart New

HIM 1990-2015

Antigen expression through the Chloroplast Transformation Technology (CTT) produces bioencapsulated subunit-vaccines, capable of eliciting immune responses when delivered orally. Considerable challenges to effective plant-based vaccines are the normalization of dosage and preservation of accumulated antigen, which is complicated by variable high water content and protease activity. This study critically examines the efficacy of lyophilization in dehydrating plant-tissues and preserving plant-derived antigens with vaccine potential. Lyophilization was optimized through gravimetric analysis using lettuce expressing Protective Antigen (PA) of Bacillus anthracis (LS-HPAG) and the human autoantigen Proinsulin (Pins) fused to Cholera toxin subunit B (LS-CTB-Pins). Lyophilization for 48-hours was sufficient treatment to …


Cerium Oxide Nanoparticles For The Detection Of Antimicrobial Resistance, Alexander J. Noll May 2011

Cerium Oxide Nanoparticles For The Detection Of Antimicrobial Resistance, Alexander J. Noll

HIM 1990-2015

The rise of antimicrobial resistance demands the development of more rapid screening methods for the detection of antimicrobial resistance in clinical samples to both give the patient the proper treatment and expedite the treatment of patients. Cerium oxide nanoparticles may serve a useful role in diagnostics due to their ability to exist in a mixed valence state and act as either oxidizing agents or reducing agents. Considering that cerium oxide nanoparticles have been shown to shift in absorbance upon oxidation, a useful method of antimicrobial resistance detection could be based on the oxidation of cerium oxide nanoparticles. Herein, an assay …


Cross-Talk Of Retinoic Acid And Adrenergic Hormone Signaling May Influence Development Of Cardiac Conduction And Rhythmicity In Utero, Sabikha Alam May 2011

Cross-Talk Of Retinoic Acid And Adrenergic Hormone Signaling May Influence Development Of Cardiac Conduction And Rhythmicity In Utero, Sabikha Alam

HIM 1990-2015

Stress hormones, adrenaline and noradrenaline, have been shown to be critical for heart development. Mice lacking dopamine greek lower case letter beta]-hydroxylase (Dbh), an enzyme responsible for synthesis of these adrenergic hormones, die during mid-gestation due to cardiac failure. Prior research showed that adrenergic cells are found within the electrical conduction system of the heart, and adrenergic deficiency leads to slowed cardiac conduction during embryogenesis. Microarray analysis of wild-type (Dbh+/+) and knockout (Dbh-/-) mouse hearts revealed significant differences in expression of retinoic acid (RA) signaling genes. RA signaling has also been shown to be critical for heart development. These data …