Evaluation of methyl tert-butyl ether (MTBE) as an interference on commercial breath-alcohol analyzers.

Anecdotal reports suggest that high environmental or occupational exposures to the fuel oxygenate methyl tert-butyl ether (MTBE) may result in breath concentrations that are sufficiently elevated to cause a false positive on commercial breath-alcohol analyzers. We evaluated this possibility in vitro by establishing a response curve for simulated breath containing MTBE in ethanol. Two types of breath-alcohol analyzers were evaluated. One analyzer's principle of operation involves in situ wet chemistry (oxidation of ethanol in a potassium dichromate solution) and absorption of visible light. The second instrument uses a combination of infrared absorption and an electrochemical sensor. Both types of instruments are currently used, although the former method represents older technology while the latter method represents newer technology.The percent blood alcohol response curve was evaluated over a breath concentration range thought to be relevant to high-level environmental or occupational exposure (0-361 microg/l). Results indicate that MTBE positively biases the response of the older technology Breathalyzer when evaluated as a single constituent or in combination with ethanol. We conclude that a false positive is possible on this instrument if the MTBE exposure is very high, recent with respect to testing, and occurs in combination with ethanol consumption. The interference can be identified on the older technology instrument by a time dependent post-reading increase in the instrument response that does not occur for ethanol alone. In contrast, the newer technology instrument using infrared and electrochemical detectors did not respond to MTBE at lower levels (0-36 microg/l), and at higher levels (>72 microg/l) the instrument indicated an "interference" or "error". For this instrument, a false positive does not occur even at high MTBE levels in the presence of ethanol.     

Organisational culture and enterprise risk management: The Australian not‐for‐profit context

With the increasing emphasis on risk management in not‐for‐profit organisations, this study is timely in its examination of risk management practices in the Australian not‐for‐profit sector. Specifically, the study investigates the relation between not‐for‐profits’ organisational culture and the maturity of enterprise risk management (ERM) practices. The results show that the organisational culture factors of Outcome Orientation (valuing achievements and results) and Innovation (valuing receptivity and adaptability to change) are associated with the maturity of not‐for‐profits’ ERM. This finding demonstrates the important role that organisational culture plays in shaping ERM practices in not‐for‐profit organisations and the crucial role that leaders play in creating and nurturing such a culture within their organisations. The results also have implications for regulatory policy‐making in, and for, the not‐for‐profit sector.     

Gender and Perceived Control in the Russian Federation

The consequences of the socioeconomic transition for male physical health in Russia are widely documented, but much less research examines psychological well-being and mental outlook, or how these outcomes differ for men and women in Russia. Exploring gender differences in personal control, an important aspect of psychological well-being, we find that, controlling for social and economic factors, Russian women report lower levels of control than men. Gender differences in the social determinants of perceived control highlight the importance of gender roles for understanding psychological stress and inform how social expectations differentially influence men's and women's paths to well-being in Russia.     

Public Opinion in Russia on the Politics of Human Trafficking

The growing literature on human trafficking lacks survey data on citizens' attitudes towards it in states of origin. This article discusses the results of a nationwide public opinion poll conducted in June 2007 in Russia and explores the views of two focus groups. It examines Russians' thoughts about the causes and scale of human trafficking and beliefs about what should be done to tackle it, by whom and how. Both sets of data reveal pessimism about state capacity to address human trafficking effectively.     

The Effect of Image Alterations on Identification Using Palmar Flexion Creases

Palmprints are identified using matching of minutia points, which can be time consuming for fingerprint experts and in database searches. This article analyzes the operational characteristics of a palmar flexion crease (PFC) identification software tool, using a dataset of 10 replicates of 100 palms, where the user can label and match palmar line features. Results show that 100 palmprint images modified 10 times each using rotation, translation, and additive noise, mimicking some of the characteristics found in crime scene palmar marks, can be identified with a 99.2% genuine acceptance rate and 0% false acceptance rate when labeled within 3.5 mm of the PFC. Partial palmprint images can also be identified using the same method to filter the dataset prior to traditional matching, while maintaining an effective genuine acceptance rate. The work shows that identification using PFCs can improve palmprint identification through integration with existing systems, and through dedicated palmprint identification applications.     

A new turn to authoritarian Rule in Russia?

Many observers have pointed to the increasingly authoritarian nature of President Putin's regime in Russia. This apparent turn away from democracy has generally been attributed either to Russian political culture or to the security background of Putin himself and many of those he has brought to office. However, analysis of the democratization literature suggests that the sources of Russia's authoritarianism may lie in the nature of the initial transition from Soviet rule, and in particular the way in which elites were able to act with significant independence from civil society forces because of the weakness of such forces. This weakness enabled successive elites led by Mikhail Gorbachev, Boris Yeltsin and Vladimir Putin to construct a political system in which popularly based involvement and participation were severely restricted. In this sense, Putin is merely building on what went before, not changing the regime's basic trajectory.