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https://www.readbyqxmd.com/read/28426758/traces-of-business-cycles-in-credit-rating-migrations
#1
Dmitri Boreiko, Serguei Kaniovski, Yuri Kaniovski, Georg Pflug
Using migration data of a rating agency, this paper attempts to quantify the impact of macroeconomic conditions on credit-rating migrations. The migrations are modeled as a coupled Markov chain, where the macroeconomic factors are represented by unobserved tendency variables. In the simplest case, these binary random variables are static and credit-class-specific. A generalization treats tendency variables evolving as a time-homogeneous Markov chain. A more detailed analysis assumes a tendency variable for every combination of a credit class and an industry...
2017: PloS One
https://www.readbyqxmd.com/read/28426751/the-role-of-microsporidian-polar-tube-protein-4-ptp4-in-host-cell-infection
#2
Bing Han, Valérie Polonais, Tatsuki Sugi, Rama Yakubu, Peter M Takvorian, Ann Cali, Keith Maier, Mengxian Long, Matthew Levy, Herbert B Tanowitz, Guoqing Pan, Frédéric Delbac, Zeyang Zhou, Louis M Weiss
Microsporidia have been identified as pathogens that have important effects on our health, food security and economy. A key to the success of these obligate intracellular pathogens is their unique invasion organelle, the polar tube, which delivers the nucleus containing sporoplasm into host cells during invasion. Due to the size of the polar tube, the rapidity of polar tube discharge and sporoplasm passage, and the absence of genetic techniques for the manipulation of microsporidia, study of this organelle has been difficult and there is relatively little known regarding polar tube formation and the function of the proteins making up this structure...
April 20, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28426110/closing-the-gap-in-travel-medicine-reframing-research-questions-for-a-new-era
#3
Lin H Chen, Karin Leder, Mary E Wilson
Background: Travel medicine needs are changing. New patterns of travel, including greater travel by individuals from emerging economies with different values in costs, risks and benefits, must be considered. This review aims to (1) highlight selected studies that have been published that address previously identified gaps in knowledge; (2) propose possible ways to consider questions regarding travel medicine practice for travelers from emerging economies, underscoring priorities for research focusing on these important populations; (3) highlight potential deficiencies in relevance of current international guidelines as they pertain to travelers from emerging economies; (4) frame research questions for travelers from emerging economies and (5) consider roles for ISTM in closing the gap...
July 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28423958/strategies-and-perspectives-of-assembling-multi-enzyme-systems
#4
Shi-Zhen Wang, Yong-Hui Zhang, Hong Ren, Ya-Li Wang, Wei Jiang, Bai-Shan Fang
Multi-enzyme complexes have the potential to achieve high catalytic efficiency for sequence reactions due to their advantages in eliminating product inhibition, facilitating intermediate transfer and in situ regenerating cofactors. Constructing functional multi-enzyme systems to mimic natural multi-enzyme complexes is of great interest for multi-enzymatic biosynthesis and cell-free synthetic biotransformation, but with many challenges. Currently, various assembly strategies have been developed based on the interaction of biomacromolecules such as DNA, peptide and scaffolding protein...
April 20, 2017: Critical Reviews in Biotechnology
https://www.readbyqxmd.com/read/28423945/on-line-soft-sensing-in-upstream-bioprocessing
#5
Judit Randek, Carl-Fredrik Mandenius
This review provides an overview and a critical discussion of novel possibilities of applying soft sensors for on-line monitoring and control of industrial bioprocesses. Focus is on bio-product formation in the upstream process but also the integration with other parts of the process is addressed. The term soft sensor is used for the combination of analytical hardware data (from sensors, analytical devices, instruments and actuators) with mathematical models that create new real-time information about the process...
April 20, 2017: Critical Reviews in Biotechnology
https://www.readbyqxmd.com/read/28423911/token-economy-a-systematic-review-of-procedural-descriptions
#6
Jonathan W Ivy, James N Meindl, Eric Overley, Kristen M Robson
The token economy is a well-established and widely used behavioral intervention. A token economy is comprised of six procedural components: the target response(s), a token that functions as a conditioned reinforcer, backup reinforcers, and three interconnected schedules of reinforcement. Despite decades of applied research, the extent to which the procedures of a token economy are described in complete and replicable detail has not been evaluated. Given the inherent complexity of a token economy, an analysis of the procedural descriptions may benefit future token economy research and practice...
April 1, 2017: Behavior Modification
https://www.readbyqxmd.com/read/28423135/childhood-cancer-and-environmental-integrity-a-commentary-and-a-proposal
#7
Carlo Modonesi, Enrico Oddone, Celestino Panizza, Gemma Gatta
Improvements in the health standards of developed and developing societies depend primarily on the relationships between economy and environment. Recent long-term changes in the chemical composition of man-made environments may be linked to changes in the biology of human beings. Here we argue that children are at the greatest risk of being affected by the dangerous effects of these changes, with particular reference to cancer. The concept of cancer risk must be extended to new contexts. Considering the increasing rates of chemical pollution and its spreading in the environment, we illustrate a proposal aiming to protect the human health, in an intra- and intergenerational perspective...
April 10, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28422124/prevalence-of-type-2-diabetes-and-its-complications-in-india-and-economic-costs-to-the-nation
#8
REVIEW
R Pradeepa, V Mohan
Diabetes, a major lifestyle disorder, has become a global burden, and the prevalence rates are rising steeply in developing economies. Rapid socioeconomic transition with urbanization and industrialization are the main causes for the global diabetes epidemic. Among developing economies, the highest increase in number of people with diabetes is in China followed by India. In India, the epidemic of diabetes continue to increase and is experiencing a shift in diabetes prevalence from urban to rural areas, the affluent to the less privileged and from older to younger people...
April 19, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28420538/the-impact-on-productivity-of-a-hypothetical-tax-on-sugar-sweetened-beverages
#9
Takeshi Nomaguchi, Michelle Cunich, Belen Zapata-Diomedi, J Lennert Veerman
OBJECTIVES: To quantify the potential impact of an additional 20% tax on sugar-sweetened beverages (SSBs) on productivity in Australia. METHODS: We used a multi-state lifetable Markov model to examine the potential impact of an additional 20% tax on SSBs on total lifetime productivity in the paid and unpaid sectors of the economy. The study population consisted of Australians aged 20 years or older in 2010, whose health and other relevant outcomes were modelled over their remaining lifetime...
April 7, 2017: Health Policy
https://www.readbyqxmd.com/read/28417937/study-on-the-health-status-and-health-service-utilization-of-the-elderly-of-a-remote-and-poor-village-in-a-mountainous-area-in-jinzhai-anhui
#10
Chaoqun Hu, Wenya Yu, Yipeng Lv, Haiping Chen, Qiangyu Deng, Lulu Zhang
Background: Despite the rapid development of China's economy, a number of poor areas in China continue to exist. The health status of the elderly in the poor areas is a matter of concern. This study aims to explore the status of the elderly in terms of their health status, health service needs, and utilization among rural residents of a remote and poor village in a mountainous area in Jinzhai, Anhui. Furthermore, this study aims to explore the differences between the nation rural area average level and the remote and poor village in the mountainous area in terms of health status and health service utilization...
April 12, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28416852/-first-aid-system-for-trauma-development-and-status
#11
D K Chen, W C Lin, P Zhang, S J Kuang, W Huang, T B Wang
With the great progress of the economy, the level of industrialization has been increasing year by year, which leads to an increase in accidental trauma accidents. Chinese annual death of trauma is already more than 400 000, which makes trauma the fifth most common cause of death, following malignant tumor, heart, brain and respiratory diseases. Trauma is the leading cause of the death of young adults. At the same time, trauma has become a serious social problem in peace time. Trauma throws great treats on human health and life...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28415499/antibacterial-effect-of-peo-coating-with-silver-on-aa7075
#12
P Cerchier, L Pezzato, K Brunelli, P Dolcet, A Bartolozzi, R Bertani, M Dabalà
In this work, plasma electrolytic oxidation (PEO) coatings were produced on AA7075 using alkaline solution containing silicates compounds and silver micrometric particles in order to give to the coating an antimicrobial effect. In the optic of circular economy, silver chloride derived from the acid pre-treatment of electronic scraps was used as raw material and successively silver powders were synthesized from silver chloride solution using glucose syrup as reducing agent. The coatings were characterized by scanning electron microscope (SEM), X-ray diffraction analysis (XRD), X-ray photoelectron spectroscopy (XPS), potentiodynamic polarization test and antimicrobial tests...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28415187/poverty-index-with-time-varying-consumption-and-income-distributions
#13
Amit K Chattopadhyay, T Krishna Kumar, Sushanta K Mallick
Starting from a stochastic agent-based model to represent market exchange in a developing economy, we study time variations of the probability density function of income with simultaneous variation of the consumption deprivation (CD), where CD represents the shortfall in consumption from the saturation level of an essential commodity, cereal. Together, these two models combine income-expenditure-based market dynamics with time variations in consumption due to income. In this new unified theoretical structure, exchange of trade in assets is only allowed when the income exceeds consumption-deprivation while CD itself is endogenously obtained from a separate kinetic model...
March 2017: Physical Review. E
https://www.readbyqxmd.com/read/28414530/hope-amidst-horror-documenting-the-effects-of-the-war-on-drugs-among-female-sex-workers-and-their-intimate-partners-in-tijuana-mexico
#14
Jennifer L Syvertsen, Angela Robertson Bazzi, María Luisa Rolón
Sensationalistic media coverage has fueled stereotypes of the Mexican border city of Tijuana as a violent battleground of the global drug war. While the drug war shapes health and social harms in profoundly public ways, less visible are the experiences and practices of hope that forge communities of care and represent more private responses to this crisis. In this article, we draw on ethnographic fieldwork and photo elicitation with female sex workers who inject drugs and their intimate, non-commercial partners in Tijuana to examine the personal effects of the drug war...
April 17, 2017: Medical Anthropology
https://www.readbyqxmd.com/read/28413845/carbon-uptake-by-mature-amazon-forests-has-mitigated-amazon-nations-carbon-emissions
#15
Oliver L Phillips, Roel J W Brienen
BACKGROUND: Several independent lines of evidence suggest that Amazon forests have provided a significant carbon sink service, and also that the Amazon carbon sink in intact, mature forests may now be threatened as a result of different processes. There has however been no work done to quantify non-land-use-change forest carbon fluxes on a national basis within Amazonia, or to place these national fluxes and their possible changes in the context of the major anthropogenic carbon fluxes in the region...
December 2017: Carbon Balance and Management
https://www.readbyqxmd.com/read/28413810/a-subtle-economy-of-time-social-media-and-the-transformation-of-indonesia-s-islamic-preacher-economy
#16
Martin Slama
The article is concerned with the latest developments in Indonesia's Islamic field. Its focus is on the role of social media in exchange relationships between Islamic preachers and their constituency. The article first discusses economic exchanges between preachers and their followers, and then it concentrates on social exchanges and how they are mediated today. Empirically, the article delivers insight into the concerns of mostly female Indonesian middle-class Muslims and shows how preachers have to adjust to the needs of their followers who are regularly online...
January 2017: Econ Anthropol
https://www.readbyqxmd.com/read/28413692/photoredox-mediated-routes-to-radicals-the-value-of-catalytic-radical-generation-in-synthetic-methods-development
#17
REVIEW
Jennifer K Matsui, Simon B Lang, Drew R Heitz, Gary A Molander
Photoredox catalysis has experienced a revitalized interest from the synthesis community during the past decade. For example, photoredox/Ni dual catalysis protocols have been developed to overcome several inherent limitations of palladium-catalyzed cross-couplings by invoking a single-electron transmetalation pathway. This Perspective highlights advances made by our laboratory since the inception of the photoredox/Ni cross-coupling of benzyltrifluoroborates with aryl bromides. In addition to broadening the scope of trifluoroborate coupling partners, research using readily oxidized hypervalent silicates as radical precursors that demonstrate functional group compatibility is highlighted...
April 7, 2017: ACS Catalysis
https://www.readbyqxmd.com/read/28413252/labor-productivity-and-employment-gaps-in-sub-saharan-africa
#18
Ellen B McCullough
Drawing on a new set of nationally representative, internationally comparable household surveys, this paper provides an overview of key features of structural transformation - labor allocation and labor productivity - in four African economies. New, micro-based measures of sector labor allocation and cross-sector productivity differentials describe the incentives households face when allocating their labor. These measures are similar to national accounts-based measures that are typically used to characterize structural change...
February 2017: Food Policy
https://www.readbyqxmd.com/read/28413164/resistance-economy-and-new-population-policy-in-iran
#19
Jalal Poorolajal
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February 18, 2017: Journal of Research in Health Sciences
https://www.readbyqxmd.com/read/28412853/nitrogen-behaviour-during-thermal-drying-of-mechanically-dewatered-biosludge-from-pulp-and-paper-industry
#20
Kati Mustonen, Ivan Deviatkin, Jouni Havukainen, Mika Horttanainen
An ongoing call to implement a circular economy is underway in the European Union, and a specific attention has been placed on the forest industry, which seeks additional recycling routes for its side streams, including biosludge. Biosludge is often dried and incinerated, thus wasting the nitrogen contained therein. This paper describes a study in which the release of nitrogen during thermal drying; the impact of the drying temperatures of 130, 180, and 210°C on the mass of ammonia released; and the potential for recovery of nitrogen from biosludge were examined...
April 17, 2017: Environmental Technology
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