Recalibrating the Wide-field Infrared Survey Explorer (WISE) W4 Filter

We present a revised effective wavelength and photometric calibration for the Wide-field Infrared Survey Explorer (WISE) W4 band, including tests of empirically motivated modifications to its pre-launch laboratory-measured relative system response curve. We derived these by comparing measured W4 photometry with photometry synthesised from spectra of galaxies and planetary nebulae. The difference between measured and synthesised photometry using the pre-launch laboratory-measured W4 relative system response can be as large as 0.3 mag for galaxies and 1 mag for planetary nebulae. We find the W4 effective wavelength should be revised upward by 3.3%, from 22.1 micron to 22.8 micron, and the W4 AB magnitude of Vega should be revised from m = 6.59 to m = 6.66. In an attempt to reproduce the observed W4 photometry, we tested three modifications to the pre-launch laboratory-measured W4 relative system response curve, all of which have an effective wavelength of 22.8 micron. Of the three relative system response curve models tested, a model that matches the laboratory-measured relative system response curve, but has the wavelengths increased by 3.3% (or 0.73 micron) achieves reasonable agreement between the measured and synthesised photometry.Comment: Accepted for publication in Publications of the Astronomical Society of Australia, 6 pages, 4 figures, 1 tabl

The Influence of Religiosity, Gender, and Language Preference Acculturation on Sexual Activity Among Latino/a Adolescents

The purpose of this study was to determine the main and interactive effects of religiosity, gender, and language preference acculturation on sexual activity among 570 Latino/a adolescents from the 2002 National Survey of Family Growth. Results indicated that adolescents who viewed religion as very important, had frequent church attendance, and had more traditional attitudes on sexuality were less likely ever to have sex compared with adolescents who were less religious. Those with frequent church attendance and high traditional attitudes had fewer lifetime and recent sex partners. Unassimilated religious youth were less likely ever to have sex, had fewer lifetime and recent sexual partners, and a later age of sexual debut. Females were less likely to have had sex, had fewer recent and lifetime partners, and had a later age of coital debut than males. Religiosity had a healthy dampening of sexual activity among Latino/a adolescents and, in particular, among those who were less assimilated

Bending and Breathing Modes of the Galactic Disk

We explore the hypothesis that a passing satellite or dark matter subhalo has excited coherent oscillations of the Milky Way's stellar disk in the direction perpendicular to the Galactic midplane. This work is motivated by recent observations of spatially dependent bulk vertical motions within ~ kpc of the Sun. A satellite can transfer a fraction of its orbital energy to the disk stars as it plunges through the Galactic midplane thereby heating and thickening the disk. Bulk motions arise during the early stages of such an event when the disk is still in an unrelaxed state. We present simple toy-model calculations and simulations of disk-satellite interactions, which show that the response of the disk depends on the relative velocity of the satellite. When the component of the satellite's velocity perpendicular to the disk is small compared with that of the stars, the perturbation is predominantly a bending mode. Conversely, breathing and higher order modes are excited when the vertical velocity of the satellite is larger than that of the stars. We argue that the compression and rarefaction motions seen in three different surveys are in fact breathing mode perturbations of the Galactic disk.Comment: 12 pages, 12 figure

Evolution of a Word: Democracy and the Democratic-Republican Societies, 1793-1796

Even though most historians agree on democracy’s basic definition and that it emerged with the American Revolution in the United States, historians disagree on how it developed after the Revolution. Some argue that democracy thrived while others claim that it was tamed during the 1790s. Instead of siding with one side or the other, this thesis argues that democracy meant different things to different people and developed in multiple ways. People created their own definition and over time they helped evolve it and one group was the Democratic-Republican Societies that formed in 1793 and ended in 1796. Their definition started out by describing an egalitarian society, but over time it evolved in reaction to three different events: French Revolution, the Whiskey Rebellion, and the Jay Treaty. Each event allowed their definition to become clearer because through their responses the Societies defined democracy

Synthesis and In-Vitro Cell Viability/Cytotoxicity Studies of Novel Pyrrolobenzodiazepine Derivatives

Pyrrolobenzodiazepines (PBDs) are a group of naturally occurring compounds that were discovered in the cultures of Streptomyces in the 1960s. Some natural PBDs discovered in these cultures, such as anthramycin and sibiromycin, were shown to possess a broad spectrum of anti-tumor activity. Since cancer is still a leading cause of death globally, the development of novel anti-proliferative derivatives of PBDs is essential for human welfare worldwide. Further synthesis and structure-activity relationship (SAR) studies of the parent natural products and their tetracyclic analogs will lead to the discovery of drug candidates. In this work, thirteen PBD analogues were synthesized using no more than three to four synthetic steps, beginning with commercially obtainable L-proline and isatoic anhydride. The MTT assay, which is a colorimetric assay that uses 3-(4,5-Dimethylthiazol-2-Yl)-2,5-diphenyltetrazolium bromide (MTT) to assess cell metabolic activity, was initially implimented to test the in vitro cytotoxicity of the compounds using multiple cell lines, namely: SKBR-3, MCF-7, SKMEL-2, CaCo 2, HCT 116, and Mia Paca. Nearly all of the compounds decreased the cell viability of MCF-7 by roughly 20%. Additionally, the anti-proliferative activity of the PBD products were further evaluated by the NCI-60 Human Tumor Cell Lines Screen, which is a part of the National Cancer Institute’s Development Therapeutics Program - Drug Synthesis and Chemistry Branch

“Drinking” about the Past: Bar Culture in Antebellum New Orleans

Women in antebellum New Orleans have often been memorialized as Voudou queens, slave-torturers who continue to haunt houses, prostitutes, and light-skinned concubines to wealthy, white men. This study focuses on women’s contribution to New Orleans’s economy through the hospitality industry as female bar owners from 1830-1861. In addition, it provides an overview of the role that alcohol and beverage consumption patterns played among men and women of all races, classes, and cultural backgrounds in antebellum New Orleans. Antebellum tourists, in addition to cotton and sugar, were an important source of income for many New Orleanians before the Civil War. As bar owners, these women profited from male-dominated spaces while providing for themselves, and in some cases, their families. A study of the hospitality industry in antebellum New Orleans is essential to those studying both economic and social histories of the city during the antebellum era

“Drinking” about the Past: Bar Culture in Antebellum New Orleans

Women in antebellum New Orleans have often been memorialized as Voudou queens, slave-torturers who continue to haunt houses, prostitutes, and light-skinned concubines to wealthy, white men. This study focuses on women’s contribution to New Orleans’s economy through the hospitality industry as female bar owners from 1830-1861. In addition, it provides an overview of the role that alcohol and beverage consumption patterns played among men and women of all races, classes, and cultural backgrounds in antebellum New Orleans. Antebellum tourists, in addition to cotton and sugar, were an important source of income for many New Orleanians before the Civil War. As bar owners, these women profited from male-dominated spaces while providing for themselves, and in some cases, their families. A study of the hospitality industry in antebellum New Orleans is essential to those studying both economic and social histories of the city during the antebellum era

Surviving Enhanced Judicial Scrutiny of Directors\u27 Decisions--Reaching the Protection of the Business Judgment Rule

In the merger and acquisition craze of the 1980\u27s, it became increasingly apparent that shareholders needed protection from directors who were not always acting in the best interests of the corporation. This note traces the history of the enhanced judicial scrutiny doctrine and explores the difficulty boards of directors face in characterizing and analyzing the myriad of transactions and events which may occur in a merger or sale scenario. Then, possible courses of action such boards may take to protect themselves are discussed