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https://www.readbyqxmd.com/read/28734268/dna-barcoding-allows-identification-of-european-fanniidae-diptera-of-forensic-interest
#1
Andrzej Grzywacz, Dominika Wyborska, Marcin Piwczyński
In forensic entomology practice, species identification is a prerequisite for any further analysis of collected material. Although morphology-based taxonomy may be hindered by a range of factors, these are not obstacles for a molecular identification approach, so-called DNA barcoding. The Fanniidae are a dipteran family that is attracted to and breeds in decomposing animal carrion and dead human bodies. However, morphological identification of fanniids, both at adult and immature stages, is considered to be difficult, particularly for non-experts...
June 29, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28734253/polybrominated-diphenyl-ether-flame-retardant-concentrations-in-faeces-from-young-children-in-queensland-australia-and-associations-with-environmental-and-behavioural-factors
#2
Karin English, Yiqin Chen, Leisa-Maree Toms, Paul Jagals, Robert S Ware, Jochen F Mueller, Peter D Sly
The aim of our study was to investigate children's exposure to the flame retardants polybrominated diphenyl ethers (PBDEs) by analysing faecal content, a non-invasive matrix, as well as responses to an exposure-assessment questionnaire. A convenience sample of 61 parents with children (aged >3 months to <2 years) completed an online pre-tested questionnaire and provided faecal samples for analysis by high resolution gas chromatography/mass spectrometry. BDE-209 was the dominant congener in faecal samples adjusted to 8...
July 19, 2017: Environmental Research
https://www.readbyqxmd.com/read/28734250/assessment-of-direct-exposure-and-leaching-risk-from-pahs-in-roadway-and-stormwater-system-residuals
#3
Edmund Azah, Hwidong Kim, Timothy Townsend
Wastes generated from municipal cleaning activities such as street sweeping, ditch cleaning, stormwater pond maintenance, and catch basin sediment removal require appropriate management. Beneficial use of these types of waste is a good alternative to landfilling; however, there are genuine concerns about possible soil and groundwater contamination by pollutants such as polycyclic aromatic hydrocarbons (PAHs). This study assessed the potential risks associated with beneficial use of roadway and stormwater system residuals collected from 14 cities across the state of Florida, USA...
July 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28734249/nitrogen-losses-and-greenhouse-gas-emissions-under-different-n-and-water-management-in-a-subtropical-double-season-rice-cropping-system
#4
Kaiming Liang, Xuhua Zhong, Nongrong Huang, Rubenito M Lampayan, Yanzhuo Liu, Junfeng Pan, Bilin Peng, Xiangyu Hu, Youqiang Fu
Nitrogen non-point pollution and greenhouse gas (GHG) emission are major challenges in rice production. This study examined options for both economic and environmental sustainability through optimizing water and N management. Field experiments were conducted to examine the crop yields, N use efficiency (NUE), greenhouse gas emissions, N losses under different N and water management. There were four treatments: zero N input with farmer's water management (N0), farmer's N and water management (FP), optimized N management with farmer's water management (OPTN) and optimized N management with alternate wetting and drying irrigation (OPTN+AWD)...
July 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28734221/treatment-of-highly-toxic-cardboard-plant-wastewater-by-a-combination-of-electrocoagulation-and-electrooxidation-processes
#5
Erhan Gengec
The objective of this study was to investigate the removal efficiencies of the electrochemical treatment systems as an alternative for the treatment of cardboard plant wastewater (CPW). In accordance with this purpose, CPW was treated by electrocoagulation (EC) with Al electrodes and the effects of current density (CD), operating time (t), and initial pH (pHi) were investigated. The results showed that EC at optimum treatment conditions (CD: 7.5mA/cm(2), pHi: 7.0 and t: 60min) have limited removal efficiencies for total organic carbon (TOC; 17...
July 19, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28734173/reliability-and-validity-of-the-tilburg-frailty-indicator-tfi-among-chinese-community-dwelling-older-people
#6
Lijuan Dong, Na Liu, Xiaoyu Tian, Xiaoxia Qiao, Robbert J J Gobbens, Robert L Kane, Cuili Wang
OBJECTIVE: To translate the Tilburg Frailty Indicator (TFI) into Chinese and assess its reliability and validity. METHODS: A sample of 917 community-dwelling older people, aged ≥60 years, in a Chinese city was included between August 2015 and March 2016. Construct validity was assessed using alternative measures corresponding to the TFI items, including self-rated health status (SRH), unintentional weight loss, walking speed, timed-up-and-go tests (TUGT), making telephone calls, grip strength, exhaustion, Short Portable Mental Status Questionnaire (SPMSQ), Geriatric Depression scale (GDS-15), emotional role, Adaptability Partnership Growth Affection and Resolve scale (APGAR) and Social Support Rating Scale (SSRS)...
July 15, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28734126/german-estsmoke-estimating-adult-smoking-related-costs-and-consequences-of-smoking-cessation-for-germany
#7
Diana Sonntag, Simon Gilbody, Winkler Volker, Shehzad Ali
AIMS: We compared predicted lifetime health care costs for current, never and ex-smokers in Germany under the current set of tobacco control polices. We compared these economic consequences of the current situation with an alternative in which Germany were to implement more comprehensive tobacco control policies consistent with the WHO Framework Convention for Tobacco Control (FCTC) guidelines. DESIGN: German EstSmoke, an adapted version of the UK EstSmoke simulation model, applies the Markov modelling approach...
July 22, 2017: Addiction
https://www.readbyqxmd.com/read/28732400/solar-photocatalytic-disinfection-of-agricultural-pathogenic-fungi-curvularia-sp-in-real-urban-wastewater
#8
Yelitza Aguas, Margarita Hincapie, Pilar Fernández-Ibáñez, María Inmaculada Polo-López
The interest in developing alternative water disinfection methods that increase the access to irrigation water free of pathogens for agricultural purposes is increasing in the last decades. Advanced Oxidation Processes (AOPs) have been demonstrated to be very efficient for the abatement of several kind of pathogens in contaminated water. The purpose of the current study was to evaluate and compare the capability of several solar AOPs for the inactivation of resistant spores of agricultural fungi. Solar photoassisted H2O2, solar photo-Fenton at acid and near-neutral pH, and solar heterogeneous photocatalysis using TiO2, with and without H2O2, have been studied for the inactivation of spores of Curvularia sp...
July 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28732395/microalgae-bacteria-models-evolution-from-microalgae-steady-state-to-integrated-microalgae-bacteria-wastewater-treatment-models-a-comparative-review
#9
REVIEW
Alessandro Solimeno, Joan García
The search for environmentally neutral alternative fuels had revived the interest for microalgae-bacteria wastewater treatment systems. The potential achieving of bioproducts from microalgae biomass has also greatly contributed. The reactions that occur in these systems are complex, and the degree of scientific knowledge is still scarce compared to that of conventional bacteria wastewater treatments. Mathematical models offer a great opportunity to study the simultaneous effect of the multiple factors affecting microalgae and bacteria, thus allowing for the prediction of final biomass production, and contributing to the system design optimization in terms of operation and control...
July 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28732382/novel-strategies-to-prevent-the-development-of-multidrug-resistance-mdr-in-cancer
#10
REVIEW
Jinglu Wang, Nicole Seebacher, Huirong Shi, Quancheng Kan, Zhenfeng Duan
The development of multidrug resistance (MDR) is one of the major challenges to the success of traditional chemotherapy treatment in cancer patients. Most studies to date have focused on strategies to reverse MDR following its development. However, agents utilizing this approach have proven to be of limited clinical use, failing to demonstrate an improvement in therapeutic efficacy with almost no significant survival benefits observed in cancer clinical trials. An alternative approach that has been applied is to prevent or delay MDR prior or early in its development...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732355/checkpoint-kinase-1-inhibition-sensitises-transformed-cells-to-dihydroorotate-dehydrogenase-inhibition
#11
Stéphanie Arnould, Geneviève Rodier, Gisèle Matar, Charles Vincent, Nelly Pirot, Yoann Delorme, Charlène Berthet, Yoan Buscail, Jean Yohan Noël, Simon Lachambre, Marta Jarlier, Florence Bernex, Hélène Delpech, Pierre Olivier Vidalain, Yves L Janin, Charles Theillet, Claude Sardet
Reduction in nucleotide pools through the inhibition of mitochondrial enzyme dihydroorotate dehydrogenase (DHODH) has been demonstrated to effectively reduce cancer cell proliferation and tumour growth. The current study sought to investigate whether this antiproliferative effect could be enhanced by combining Chk1 kinase inhibition. The pharmacological activity of DHODH inhibitor teriflunomide was more selective towards transformed mouse embryonic fibroblasts than their primary or immortalised counterparts, and this effect was amplified when cells were subsequently exposed to PF477736 Chk1 inhibitor...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732320/do-cyclists-make-better-drivers-associations-between-cycling-experience-and-change-detection-in-road-scenes
#12
Vanessa Beanland, Lisa J Hansen
Efficient processing of visual information is crucial to safe driving. Previous research has demonstrated that driving experience strongly affects attentional allocation, with large differences between novice and experienced drivers. Expanding on this, we explored the influence of non-driving experiences on attentional allocation by comparing drivers with and without cycling experience. Based on situation awareness field studies, we predicted cyclist-drivers would demonstrate superior performance. Participants were 42 experienced drivers (17 female, 25 male) aged 30-50 years (M=39...
July 18, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28732318/the-experimental-tobacco-marketplace-ii-substitutability-and-sex-effects-in-dual-electronic-cigarette-and-conventional-cigarette-users
#13
Amanda J Quisenberry, Mikhail N Koffarnus, Leonard H Epstein, Warren K Bickel
AIM: The aim of the current study was to evaluate tobacco product purchasing in the Experimental: Tobacco Marketplace (ETM) among male and female smokers who also use e-cigarettes. We hypothesized a high substitution profile for e-cigarettes and that males would purchase more Snus than females. METHODS: The ETM is an online market used in clinical abuse liability research to mimic real-world purchasing patterns. Tobacco products, including each participant's usual choice of conventional and e-cigarettes, were presented along with a price and description of nicotine content...
July 5, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28732306/photostability-testing-using-online-reactor-hplc-hyphenation-and-mass-spectrometric-compound-identification-illustrated-by-ketoprofen-as-model-compound
#14
Jaber Assaf, Diego Zulkiewicz Gomes, Bernhard Wuest, Maria Kristina Parr
Investigations on the photochemical stability of pharmaceutical substances are mandatory in drug development and licensing as photo-induced degradation of an active pharmaceutical ingredient (API) may not only lead to decreased API concentrations but also to toxic or reactive products. Thus, the US Food and Drug Administration (FDA) and the International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH) issued Guidance for Industry Q1B "Photostability Testing of New Drug Substances and Products" for testing of pure but also packed drugs...
July 8, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28732278/advances-of-small-molecule-targeting-of-kinases
#15
REVIEW
Norbert Berndt, Rezaul M Karim, Ernst Schönbrunn
Reversible protein phosphorylation regulates virtually all aspects of life in the cell. As a result, dysregulation of protein kinases, the enzymes responsible for transferring phosphate groups from ATP to proteins, are often the cause or consequence of many human diseases including cancer. Almost three dozen protein kinase inhibitors (PKIs) have been approved for clinical applications since 1995, the vast majority of them for the treatment of cancer. According to the NCI, there are more than 100 types of cancer...
July 18, 2017: Current Opinion in Chemical Biology
https://www.readbyqxmd.com/read/28732255/can-head-trauma-trigger-adult-onset-rasmussen-s-encephalitis
#16
Derrick Soh, Dennis J Cordato, Andrew F Bleasel, Peter Brimage, Roy G Beran
Rasmussen's encephalitis (RE) is a rare unilateral inflammatory brain disorder that causes progressive neurocognitive deterioration and refractory epilepsy including epilepsia partialis continua (EPC). We describe a patient with a unique presentation, where right upper limb EPC due to RE began within 2weeks of a concussive left frontal head injury, in a 36-year-old female without other identifiable etiology, no prior neurological deficit nor suggestion of intracranial pathology or infection, and no preceding seizures...
July 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28732221/atrophic-mandible-fractures-are-bone-grafts-necessary-an-update
#17
Jaime Castro-Núñez, Larry L Cunningham, Joseph E Van Sickels
PURPOSE: The management of atrophic mandibular fractures poses a challenge because of anatomic variations and medical comorbidities associated with elderly patients. The purpose of this article is to review and update the literature regarding the management of atrophic mandible fractures using load-bearing reconstruction plates placed without bone grafts. MATERIALS AND METHODS: We performed a review of the English-language literature looking for atrophic mandibular fractures with or without continuity defects and reconstruction without bone grafts...
June 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28732210/nursing-as-universal-and-recognisable-nursing-students-perceptions-of-learning-outcomes-from-intercultural-peer-learning-webinars-a-qualitative-study
#18
Elisabeth Carlson, Marie Stenberg, Bessie Chan, Sukki Ho, Timothy Lai, Arkers Wong, Engle Angela Chan
Nursing students need to be prepared for the increasingly culturally diverse health care. Therefore, providing students with international perspectives remains the mission of higher education. However, given the logistic and financial constraints, not all students will be able to travel overseas for their international experiences. A feasible alternative to study abroad is internationalisation-at-home where intercultural dimensions are incorporated into curriculum, without students leaving their home universities...
July 15, 2017: Nurse Education Today
https://www.readbyqxmd.com/read/28732182/stim1-regulates-enamel-mineralization-and-ameloblast-modulation
#19
Y Furukawa, N Haruyama, M Nikaido, M Nakanishi, N Ryu, M Oh-Hora, K Kuremoto, K Yoshizaki, Y Takano, I Takahashi
Loss-of-function mutations in the Ca(2+) release-activated Ca(2+) channel genes ORAI1 and STIM1 abolish store-operated Ca(2+) entry (SOCE) and result in ectodermal dysplasia with amelogenesis imperfecta. However, because of the limited availability of patient tissue, analyses of enamel mineralization or possible changes in ameloblast function or morphology have not been possible. Here, we generated mice with ectodermal tissue-specific deletion of Stim1 ( Stim1 cKO [conditional knockout]), Stim2 ( Stim2 cKO), and Stim1 and Stim2 ( Stim1/2 cKO) and analyzed their enamel phenotypes as compared with those of control ( Stim1/2(fl/fl)) animals...
July 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28732149/beware-of-the-origin-of-numbers-standard-scoring-of-the-sf-12-and-sf-36-summary-measures-distorts-measurement-and-score-interpretations
#20
Peter Hagell, Albert Westergren, Kristofer Årestedt
The 12-item Short Form Health Survey (SF-12) is a generic health rating scale developed to reproduce the Physical and Mental Component Summary scores (PCS and MCS, respectively) of a longer survey, the SF-36. The standard PCS/MCS scoring algorithm has been criticized because its expected dimensionality often lacks empirical support, scoring is based on the assumption that physical and mental health are uncorrelated, and because scores on physical health items influence MCS scores, and vice versa. In this paper, we review the standard PCS/MCS scoring algorithm for the SF-12 and consider alternative scoring procedures: the RAND-12 Health Status Inventory (HSI) and raw sum scores...
August 2017: Research in Nursing & Health
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