Use of styryl 11 and STaR 11 for the luminescence enhancement of cyanoacrylate-developed fingermarks in the visible and near-infrared regions

In current casework, most post-cyanoacrylate stains rely on luminescence emission in the visible region (400-700 nm). While traditional stains such as rhodamine 6G work well under most circumstances, some surfaces may generate background luminescence under the same conditions. Detection in the near-infrared region (NIR > 700 nm) has shown to be effective in minimizing the interferences from such surfaces. The laser dye styryl 11 generated strongly luminescent fingermarks when applied after cyanoacrylate fuming on all surfaces tested. When compared to rhodamine 6G, the dye was superior only when viewed in the NIR. Styryl 11 was subsequently combined with rhodamine 6G, and the mixed stain formulation (named StaR 11 by the authors) induced stronger luminescence compared with styryl 11 alone with an ability to visualize in both the visible and NIR regions. Reliable and consistent results were obtained when using either styryl 11 alone or the STaR 11 mixture. The enhancement achieved did not otherwise vary depending on the source of the fingermark secretions. With visualization possible in both the visible and NIR regions, the styryl 11/rhodamine 6G mixture showed significant potential as a post-cyanoacrylate stain.     

Factors associated with escalation and problematic approaches toward public figures

Detailed comparison of factors associated with abnormal approach to the prominent and with escalation from communication to approach has not hitherto been undertaken. This partially reflects the failure of individual studies to adopt compatible terminologies. This study involves a careful dissection of six public figure studies, three involving U.S. politicians, two Hollywood celebrities, and one the British Royal Family. Common findings were unearthed across six headings. Approachers were significantly more likely to exhibit serious mental illness, engage in multiple means of communication, involve multiple contacts/targets, and to incorporate into their communication requests for help. They were significantly less likely to use threatening or antagonistic language in their communications, except in those cases involving security breaches. These results emphasize the importance of integrating mental health findings and preventive measures into risk management. Approach should not be regarded as a single behavioral category and has multiple motivations. Future studies should adopt standard terminology, preferably taken from the general stalking research.     

REFLECTIONS ON THE FUTURE OF NUCLEAR ARMS CONTROL IN 2011REFLECTIONS ON THE FUTURE OF NUCLEAR ARMS CONTROL IN 2011

The first vision for removing the threat of nuclear weapons, within a year of their first use, was the far-reaching agenda of the Acheson Lilienthal Report on the International Control of Atomic Energy in 1946[1] proposing that all fissile material should be transferred to a new international agency (the Atomic Development Authority) which would release small amounts to individual nations for peaceful uses.This proposal, like many others, fell victim to the ideologically aggravated suspicions of the Cold War.But, over time, and even during periods of intense east-west suspicion, a substantial body of negotiated agreements has been achieved.Almost all necessarily involved the nuclear superpowers, who led the way in the expansion of nuclear weapons, and whose arsenals therefore needed to be limited as a precondition for achieving wider global nuclear stability.     

Visualisation of fingermarks and grab impressions on fabrics. Part 1: gold/zinc vacuum metal deposition

Vacuum metal deposition (VMD) is a highly sensitive technique originally introduced for detecting latent fingermarks on smooth non-porous surfaces such as carrier bags, plastics and glass. The current study explores whether VMD can be used in the examination of clothing from physical and sexual assault cases in order to visualise identifiable fingermark ridge detail and/or palmar flexion crease detail, thus allowing potential areas to be indicated for DNA swabbing and/or to determine the sequence of events. Four different fabrics were utilised during this study - nylon, polyester, polycotton and cotton, along with 15 donors who ranged in their age and propensity to leave fingermarks, from good to medium to poor as determined by results obtained from test runs using paper and plastic carrier bags processed with VMD. Once samples were collected they were kept for a determined time (1, 2, 3, 4, 5, 6, 7, 14, 21 or 28 days) and then treated using the gold/zinc metal VMD process. From the results, it appears that greater ridge detail is visible on the smoother non-porous fabrics, such as nylon whereas on rougher porous fabrics, such as cotton, only empty prints and impressions, rather than any ridge details, were visible. All fabrics did however allow the development of touch marks that could be targeted for DNA taping thus potentially leading to a DNA profile and possible identification of a suspect.     

The power of aspirations and expectations: the connection between educational goals and risk behaviors among African American adolescents

Numerous studies and interventions have been designed to either reduce the prevalence of risky behaviors (substance use, sexual activity, etc.) or increase the level of educational activity for adolescents. Research suggests that these two constructs may be related yet little is known about this relationship among African American youth. Archival data from the Risk Reduction Project was used to explore the connection between the protective factors of educational aspirations/expectations and recent participation in risky behavior. Results suggest that recent use of marijuana, alcohol to the point of intoxication, and sexual activity predicted lower aspirations and expectations among African American youth. From a positive youth development perspective, this study suggests the development of holistic interventions that build educational assets in youth, in addition to working to minimize risk behaviors. Limitations and suggestions for future research are also discussed.     

President Roosevelt,Admiral Stark,and the Unsent Warning to Pearl Harbor: A Research Note

Admiral Harold R. Stark (1880–1972) was appointed Chief of Naval Operations in August 1939 and served in that role until removed in March 1942. It was on his watch that the Japanese raided Pearl Harbor on 7 December 1941. Nowadays the prevailing view of Stark seems to be largely shaped by the official verdict of the Secretary of the Navy, James V. Forrestal, namely that “Admiral Harold R. Stark, USN (Retired), shall not hold any position in the United States Navy which requires the exercise of superior judgment”. Our very different view is that Stark was a patriot who willingly sacrificed his reputation to preserve that of President Franklin D. Roosevelt and to enable him, as the one person capable of leading the Allies to victory in war against Nazi Germany, to assume his proper mantle.     

Unsafe sex: do feelings matter?

The purpose of this study was to investigate the relationships among self-efficacy for condom use during distress (SE-Condom Distress), self-efficacy related to general HIV prevention skills (SE-HIV), and HIV risk behaviors, attitudes, and knowledge. Two hundred and twenty two adolescents with psychiatric disorders between 13 and 18 years-old participated. Participants completed measures related to HIV Self-Efficacy, HIV Attitudes, and Sexual Behaviors. Self-efficacy for condom use during distress (SE-Condom Distress) was significantly associated with more HIV protective behaviors. Controlling for observed covariates, SE-Condom Distress was the only variable significantly associated with consistent condom use in a multiple logistic regression (OR=2.43). Self-efficacy regarding condom use during affective arousal is closely associated with HIV-related attitudes and behaviors. Clinicians need to be alert to subtle signs of distress as adolescents contemplate safer sexual behavior.     

Does Mode Matter For Modeling Political Choice? Evidence From the 2005 British Election Study

Harold D. Clarke and Marianne C. Stewart School of Economic, Political and Policy Sciences, University of Texas at Dallas, Richardson, TX 75083 e-mail: hclarke{at}utdallas.edu e-mail: mstewart{at}utdallas.edu Paul Whiteley Department of Government, University of Essex, Colchester, England CO4 3SQ e-mail: whiteley{at}essex.ac.uk e-mail: sanders{at}essex.ac.uk (Corresponding author) Although political scientists have begun to investigate theproperties of Internet surveys, much remains to be learned aboutthe utility of the Internet mode for conducting major surveyresearch projects such as national election studies. This paperaddresses this topic by presenting the results of an extensivesurvey comparison experiment conducted as part of the 2005 BritishElection Study. Analyses show statistically significant, butgenerally small, differences in distributions of key explanatoryvariables in models of turnout and party choice. Estimatingmodel parameters reveals that there are few statistically significantdifferences between coefficients generated using the in-personand Internet data, and the relative explanatory power of rivalmodels is virtually identical for the two types of data. Ingeneral, the in-person and Internet data tell very similar storiesabout what matters for turnout and party preference in Britain.Determining if similar findings obtain in other countries shouldhave high priority on the research agenda for national electionstudies. Authors' note: We thank the U.K. Economics and Social ResearchCouncil (ESRC) and Gary Williams, Senior Science Manager atthe ESRC, for their generous support of, and interest in, thisproject. We also thank the editor and anonymous reviewers forhelpful comments and suggestions.     

The optimal prize structure of symmetric Tullock?contests

We show that the optimal prize structure of symmetric n-player Tullock tournaments assigns the entire prize pool to the winner, provided that a symmetric pure strategy equilibrium exists. If such an equilibrium fails to exist under the winner-take-all structure, we construct the optimal prize structure which improves existence conditions by dampening efforts. If no such optimal equilibrium exists, no symmetric pure strategy equilibrium induces positive efforts.     

Adoption,Homosexuality and the European Convention on Human Rights: Gas and Dubois v France

On 15 March 2012 the European Court of Human Rights (the Court) issued its first judgment addressing the differential treatment of same‐sex and opposite‐sex couples in respect of the adoption of a child. 1 The Court held that excluding same‐sex couples in civil partnerships, who have no legal right to marry, from adoption provisions available to married opposite‐sex couples does not violate rights guaranteed by the European Convention on Human Rights (the Convention). I argue that the Court's reasoning in Gas and Dubois v France is unpersuasive and unsustainable in light of its wider case law.