Treatment of ichthyophthiriasis in channel catfish with a triiodinated resin and free iodine

Call number: LD2668 .T4 1979 L48Master of Scienc

A thematic analysis of opening statements and closing arguments in a well-publicized criminal trial

This study was undertaken to explore attorney rhetoric within a criminal court of law. Transcripts from an actual criminal trial, The State of California vs. Orenthal James Simpson, were used to examine the attorney\u27s speech using the method of hermeneutic analysis. Opening statements and closing arguments from this trial were used to compare actual trial language to theories within the legal, psychological and communications literatures. Findings indicate support for Pennington and Hastie\u27s story model, and Klonoff\u27s sponsorship theory. Peter\u27s participatory devices were found to be central aspects of conveying recurrent themes within the transcripts. Results of this trial were both supportive and discrepant from Parkinson\u27s findings. An important theme that emerged throughout the transcripts was a sense of interpersonal connection to, or distance from, central figures in the trial. A combination of theoretical models was suggested, with the implications of these findings for future studies included

Ladies, Who Wants to Be a General Officer? What factors affect female officers’ retention beyond 20-year retirement eligibility?

This thesis covers the topic of retention of women in a male-domintated, hierachical, military organization. explored 14 areas of policy that have changed since 2016 that may or may not have significant impacts on mid grade Marines’ retention choices. Nearly 18 percent of all DoD servicemembers are women, yet only eight percent of Marines are women. Since women were first allowed by law to attain to the rank of General Officer in the mid-1970s only about 12 women out of hundreds of Marine Corps General Officers (GOs) attained the ranks of Brigadier General, Major General, or Lieutenant General. While other services have promoted several women to the rank of General, the Marine Corps has yet to promote a woman to 4-star General. The Commandant of the Marine Corps has Talent Management as one of his top three priorities for the Corps, particularly the talents of women and other minorities. Given these facts, it seems that the playing field is wide open for more women to aspire to the highest ranks. I searched the literature to understand the metaphor of the labyrinth with barriers that still inhibit women from continuing and excelling in male dominated organizations. Historically, women Marines have seen their share of organizational structure and culture changes that have influenced how they shape their identities. This thesis gave six professional women field grade officers in the ranks of Major, Lieutenant Colonel, and Colonel serving over 20 years time in service in the active component Marine Corps an opportunity to have a voice and share their gender perspectives through individual qualitative interviews asking about these 14 areas of policy change and the affects on their retention decisions. Then, I held the results up against organizational theories and identity theories to gain a greater depth of understanding into the cultural and personal factors that affect retention. I found that these women have a passion for the Marine Corps and perseverance, yet the areas of physical fitness, health, working hours, inclusion, and occupational specialty limitations were the greatest challenges to their promotion to the GO ranks; while empathetic, engaged leaders and the opportunity to contribute and mentor were some of the most rewarding factors towards continuation to max retirement, regardless of rank

Viability of Solar Power on Jobsites

The use of solar energy has slowly been on the rise over the past few decades, the full potential of solar energy has not been realized in the realm of construction. Solar power in construction has been slow to catch on, as many of the upfront costs associated with solar power has created a feeling that investing in such systems will ultimately not be worth the investment. This paper attempts to address the issues of upfront costs, the willingness for contractors to invest in renewable energy both now and in the future, and will also identify possible uses for solar power on the jobsite. Through the research conducted in this paper, it has been proven that there are viable options for solar power on jobsites in the future. The research details current costs of solar, why solar has not been selected as a means of providing power at this point in time, and what future research is necessary to create an environment where solar power use is ubiquitous throughout the construction industry. Ultimately, this paper will provide a pathway for future contractors, investors in renewable energy, and developers to both reduce their environmental impact and save costs on jobsite power

A Mixed Integer Programming Framework for the Fuel Optimal Guidance of Complex Spacecraft Rendezvous and Proximity Operation Missions

Space is a contested, congested, and competitive environment where space situational awareness (SSA) is a key factor in the long term sustainability of space as a national interest. Space-based SSA conducted by inspector satellites is critical to the detecting, tracking, and attribution of actions in space. Thus, space-based fuel-optimal maneuvers are essential to increasing mission life and improving the capability of inspector satellites working to characterize resident space objects (RSOs) in geosynchronous orbit (GEO). Additionally, on-orbit inspection missions can be characterized by multiple waypoint visits where an inspector is accomplishing a set of proximity operation mission objectives through the visit of multiple waypoints signifying viewing angles, natural motion circumnavigation (NMC) injection states, and rendezvous locations. Traditionally, the combinatorial and trajectory optimization aspects of these space-based multiple waypoint visits have been solved in a segregated manner. This thesis presents a Mixed Integer Programming (MIP) framework, in which the combinatorial and trajectory optimization nature of these problems are coupled resulting in the fuel-optimal guidance for complex rendezvous and proximity operation missions. First, a Mixed Integer Linear Programming (MILP) formulation is used to solve for the fuel optimal guidance of an inspector visiting multiple viewing angles, defined by waypoints, around a single RSO. This mission is subject to keep-out-zones (KOZ) and mission time constraints. Additionally, the initial MILP problem is extended to a linear cooperative control formulation where two inspectors are working together to accomplish the mission objectives. Both MILP problems are solved to global optimality using a commercial MIP solver

Gold(III)-CO and gold(III)-CO2 complexes and their role in the water-gas shift reaction

The water-gas shift (WGS) reaction is an important process for the generation of hydrogen. Heterogeneous gold catalysts exhibit good WGS activity, but the nature of the active site, the oxidation state, and competing reaction mechanisms are very much matters of debate. Homogeneous gold WGS systems that could shed light on the mechanism are conspicuous by their absence: gold(I)–CO is inactive and gold(III)–CO complexes were unknown. We report the synthesis of the first example of an isolable CO complex of Au(III). Its reactivity demonstrates fundamental differences between the CO adducts of the neighboring d8 ions Pt(II) and Au(III): whereas Pt(II)-CO is stable to moisture, Au(III)–CO compounds are extremely susceptible to nucleophilic attack and show WGS reactivity at low temperature. The key to understanding these dramatic differences is the donation/back-donation ratio of the M–CO bond: gold-CO shows substantially less back-bonding than Pt-CO, irrespective of closely similar n(CO) frequencies. Key WGS intermediates include the gold-CO2 complex [(C^N^C)Au]2(m-CO2), which reductively eliminates CO2. The species identified here are in accord with Au(III) as active species and a carboxylate WGS mechanism

Discovery of a Bacterial Peptide as a Modulator of GLP-1 and Metabolic Disease

Early work in rodents highlighted the gut microbiota\u27s importance in metabolic disease, including Type II Diabetes Mellitus (T2DM) and obesity. Glucagon-like peptide-1 (GLP-1), an incretin secreted by L-cells lining the gastrointestinal epithelium, has important functions: promoting insulin secretion, insulin sensitivity, and β-cell mass, while inhibiting gastric emptying and appetite. We set out to identify microbial strains with GLP-1 stimulatory activity as potential metabolic disease therapeutics. Over 1500 human-derived strains were isolated from healthy individuals and screened for GLP-1 modulation by incubating bacterial cell-free supernatants with NCI H716 L-cells. Approximately 45 strains capable of increasing GLP-1 were discovered. All GLP-1 positive strains were identified as Staphylococcus epidermidis by 16S rRNA sequencing. Mass spectrometry analysis identified a 3 kDa peptide, Hld (delta-toxin), present in GLP-1 positive supernatants but absent in GLP-1 neutral supernatants. Studies in NCI-H716 cells and human jejunal enteroids engineered to make more enteroendocrine cells demonstrated that Hld alone is sufficient to enhance GLP-1 secretion. When administered in high-fat-fed mice, Hld-producing S. epidermidis significantly reduced markers associated with obesity and T2DM. Further characterization of Hld suggests GLP-1 stimulatory action of Hld occurs via calcium signaling. The presented results identify a novel host-microbe interaction which may ultimately lead to the development of a microbial peptide-based therapeutic for metabolic disease

Reversible Mechanical Contraception and Endometriosis Treatment Using Stimuli-Responsive Hydrogels

Female sterilization via fallopian tube ligation is a common procedure; However, after the operation, over 10% of women seek re-fertilization, which is frequently unsuccessful. In addition, there is evidence that fallopian tubes contribute to the spread of endometriotic tissue as they serve as channels for proinflammatory media entering the abdominal cavity via retrograde menstruation. Here, stimuli-degradable hydrogel implants are presented for the functional, biocompatible, and reversible occlusion of fallopian tubes. The hydrogel implants, designed with customized swelling properties, mechanically occlude fallopian tubes in a high-performance manner with burst pressures reaching 255-558 mmHg, exceeding normal abdominal pressures (95 mmHg). Their damage-free removal can be achieved within 30 min using near-visible UV light or a glutathione solution, employing a method akin to standard fallopian tube perfusion diagnostics. Ultrasound-guided implant placement is demonstrated using a clinical hysteroscope in a human-scale uterus model and biocompatibility in a porcine in vivo model. Importantly, the prevention of live sperm as well as endometrial cell passage through blocked fallopian tubes is demonstrated. Overall, a multifunctional system is presented that constitutes a possible means of on-demand, reversible contraception along with the first-ever mechanical approach to abdominal endometriosis prevention and treatment