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https://www.readbyqxmd.com/read/28448928/potential-environmental-impact-of-bioethanol-production-chain-from-fiber-sorghum-to-be-used-in-passenger-cars
#1
Annachiara Forte, Amalia Zucaro, Massimo Fagnano, Angelo Fierro
A life cycle assessment (LCA) was applied to assess the environmental load of a prospective local bioethanol (EtOH) production system in Southern Italy by using lignocellulosic Fiber sorghum (FS) feedstock. A two steps analysis was carried out considering: (i) a "cradle-to-farm gate" LCA to investigate thoroughly the FS cultivation on hilly marginal land and (ii) a "cradle-to-wheels" system boundary encompassing the environmental pressure of the whole EtOH supply-use chain. Primary data related to lignocellulosic biomass production were combined with experimental feedstock conversion processes through advanced second generation technology...
April 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28448074/simultaneous-electrical-recording-of-cardiac-electrophysiology-and-contraction-on-chip
#2
Fang Qian, Chao Huang, Yi-Dong Lin, Anna N Ivanovskaya, Thomas J O'Hara, Ross H Booth, Cameron J Creek, Heather A Enright, David A Soscia, Anna M Belle, Ronglih Liao, Felice C Lightstone, Kristen S Kulp, Elizabeth K Wheeler
Prevailing commercialized cardiac platforms for in vitro drug development utilize planar microelectrode arrays to map action potentials, or impedance sensing to record contraction in real time, but cannot record both functions on the same chip with high spatial resolution. Here we report a novel cardiac platform that can record cardiac tissue adhesion, electrophysiology, and contractility on the same chip. The platform integrates two independent yet interpenetrating sensor arrays: a microelectrode array for field potential readouts and an interdigitated electrode array for impedance readouts...
April 27, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28446901/anaerobic-methanotrophic-archaea-of-the-anme-2d-cluster-are-active-in-a-low-sulfate-iron-rich-freshwater-sediment
#3
Hannah S Weber, Kirsten S Habicht, Bo Thamdrup
ANaerobic MEthanotrophic (ANME) archaea remove the greenhouse gas methane from anoxic environments and diminish its flux to the atmosphere. High methane removal efficiencies are well documented in marine environments, whereas anaerobic oxidation of methane (AOM) was only recently indicated as an important methane sink in freshwater systems. Freshwater AOM-mediating microorganisms lack taxonomic identification and only little is known about metabolic adaptions to prevailing biogeochemical conditions. One of the first study sites providing information about AOM activity in freshwater sediment is Lake Ørn, a low-sulfate, iron-rich Danish lake...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28446780/holocene-winter-climate-variability-in-central-and-eastern-europe
#4
Aurel Perșoiu, Bogdan P Onac, Jonathan G Wynn, Maarten Blaauw, Monica Ionita, Margareta Hansson
Among abundant reconstructions of Holocene climate in Europe, only a handful has addressed winter conditions, and most of these are restricted in length and/or resolution. Here we present a record of late autumn through early winter air temperature and moisture source changes in East-Central Europe for the Holocene, based on stable isotopic analysis of an ice core recovered from a cave in the Romanian Carpathian Mountains. During the past 10,000 years, reconstructed temperature changes followed insolation, with a minimum in the early Holocene, followed by gradual and continuous increase towards the mid-to-late-Holocene peak (between 4-2 kcal BP), and finally by a decrease after 0...
April 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28445517/motivation-factors-for-suicidal-behavior-and-their-clinical-relevance-in-admitted-psychiatric-patients
#5
Naoki Hayashi, Miyabi Igarashi, Atsushi Imai, Yuka Yoshizawa, Kaori Asamura, Yoichi Ishikawa, Taro Tokunaga, Kayo Ishimoto, Yoshitaka Tatebayashi, Hirohiko Harima, Naoki Kumagai, Hidetoki Ishii, Yuji Okazaki
BACKGROUND: Suicidal behavior (SB) is a major, worldwide health concern. To date there is limited understanding of the associated motivational aspects which accompany this self-initiated conduct. AIMS: To develop a method for identifying motivational features associated with SB by studying admitted psychiatric patients, and to examine their clinical relevance. METHODS: By performing a factor analytic study using data obtained from a patient sample exhibiting high suicidality and a variety of SB methods, Motivations for SB Scale (MSBS) was constructed to measure the features...
2017: PloS One
https://www.readbyqxmd.com/read/28445158/the-hdac-inhibitor-valproate-induces-a-bivalent-status-of-the-cd20-promoter-in-cll-patients-suggesting-distinct-epigenetic-regulation-of-cd20-expression-in-cll-in-vivo
#6
Annarita Scialdone, Muhammad Sharif Hasni, Jesper Kofoed Damm, Andreas Lennartsson, Urban Gullberg, Kristina Drott
Treatment with anti-CD20 antibodies is only moderately efficient in chronic lymphocytic leukemia (CLL), a feature which has been explained by the inherently low CD20 expression in CLL. It has been shown that CD20 is epigenetically regulated and that histone deacetylase inhibitors (HDACis) can increase CD20 expression in vitro in CLL. To assess whether HDACis can upregulate CD20 also in vivo in CLL, the HDACi valproate was given to three del13q/NOTCH1wt CLL patients and CD20 levels were analysed (the PREVAIL study)...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445131/therapeutic-benefit-of-salmonella-attributed-to-lps-and-tnf-%C3%AE-is-exhaustible-and-dictated-by-tumor-susceptibility
#7
Dino Kocijancic, Sara Leschner, Sebastian Felgner, Ronja-Melinda Komoll, Michael Frahm, Vinay Pawar, Siegfried Weiss
The potential of bacteria-mediated tumor therapy (BMTT) is highlighted by more than a century of investigation. Attenuated Salmonella has prevailed as promising therapeutic agents. For BMTT - categorized as an immune therapy - the exact contribution of particular immune reactions to the therapeutic effect remains ambiguous. In addition, one could argue for or against the requirement of bacterial viability and tumor targeting. Herein we evaluate the isolated therapeutic efficacy of purified LPS and TNF-α, which together account for a dominant immunogenic pathway of gram negative bacteria like Salmonella...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28444363/sgh-stress-or-strain-gradient-hypothesis-insights-from-an-elevation-gradient-on-the-roof-of-the-world
#8
Pierre Liancourt, Yoann Le Bagousse-Pinguet, Christian Rixen, Jiri Dolezal
Background and Aims: The stress gradient hypothesis (SGH), the view that competition prevails in undisturbed and productive environments, and shifts to facilitation in disturbed or stressful environments, has become a central paradigm in ecology. However, an alternative view proposes that the relationship between biotic interactions and environmental severity should be unimodal instead of monotonic. Possible causes of discrepancies between these two views were examined in the high elevation desert of the arid Trans-Himalayas...
April 21, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28444235/right-hemisphere-structural-adaptation-and-changing-language-skills-years-after-left-hemisphere-stroke
#9
Thomas M H Hope, Alex P Leff, Susan Prejawa, Rachel Bruce, Zula Haigh, Louise Lim, Sue Ramsden, Marion Oberhuber, Philipp Ludersdorfer, Jenny Crinion, Mohamed L Seghier, Cathy J Price
Stroke survivors with acquired language deficits are commonly thought to reach a 'plateau' within a year of stroke onset, after which their residual language skills will remain stable. Nevertheless, there have been reports of patients who appear to recover over years. Here, we analysed longitudinal change in 28 left-hemisphere stroke patients, each more than a year post-stroke when first assessed-testing each patient's spoken object naming skills and acquiring structural brain scans twice. Some of the patients appeared to improve over time while others declined; both directions of change were associated with, and predictable given, structural adaptation in the intact right hemisphere of the brain...
April 24, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28442804/clinico-epidemiological-profile-of-patients-attending-suraksha-clinic-of-tertiary-care-hospital-of-north-india
#10
H S Banger, Anisha Sethi, Sita Malhotra, Suresh Kumar Malhotra, Tejinder Kaur
BACKGROUND: Sexually transmitted infections (STIs) are a global health problem. Trends of STIs vary from place to place depending on various epidemiological factors prevailing in that respective geographic area. AIMS AND OBJECTIVES: The present study was conducted to find the pattern and prevalence of different STIs out of total STI clinic attendees, to identify any change in the trend of STIs, various epidemiological factors, and behavior of individual diseases...
January 2017: Indian Journal of Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28441671/swimming-upstream-creating-a-culture-of-high-value-care
#11
Reshma Gupta, Christopher Moriates
As health system leaders strategize the best ways to encourage the transition toward value-based health care, the underlying culture-defined as a system of shared assumptions, values, beliefs, and norms existing within an environment-continues to shape clinician practice patterns. The current prevailing medical culture contributes to overtesting, overtreatment, and health care waste. Choosing Wisely lists, appropriateness criteria, and guidelines codify best practices, but academic medicine as a whole must recognize that faculty and trainees are all largely still operating within the same cultural climate...
May 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28440983/-detection-of-cardiovascular-risk-in-healthcare-workers-on-the-basis-of-who-jnc-7-atp-iii-criteria
#12
Roma Rubí Rodríguez-Reyes, José Eduardo Navarro-Zarza, Tania Leticia Tello-Divicino, Isela Parra-Rojas, Oscar Zaragoza-García, Iris Paola Guzmán-Guzmán
BACKGROUND: Anthropometric and blood pressure measurements are significant parameters in the assessment of cardiovascular risk (CVR). The aim was to establish the distribution of clinical-anthropometric parameters in health care workers according to the criteria established by WHO/JNC 7/ATP III. METHODS: Observational, cross-sectional study in 350 workers of a general hospital. Definitions of anthropometric alterations were made considering the criteria established by WHO and the Asian ATP III, while altered blood pressure was defined by criteria JNC 7 and ATP III...
May 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28440930/impacts-of-changing-ocean-circulation-on-the-distribution-of-marine-microplastic-litter
#13
Natalie Ac Welden, Amy L Lusher
Marine plastic pollution is currently a major scientific focus, with attention paid to its distribution and impacts within ecosystems. With recent estimates indicating that the mass of plastic released to the marine environment may reach 250 million metric tons by 2025, the effects of plastic on our oceans are set to increase. Distribution of microplastics, those plastics measuring less than 5 mm, are of increasing concern because they represent an increasing proportion of marine litter and are known to interact with species in a range of marine habitats...
May 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28439755/what-do-key-stakeholders-think-about-hiv-self-testing-in-canada-results-from-a-cross-sectional-survey
#14
N Pant Pai, M Smallwood, D Gulati, N Lapczak, A Musten, C Gaydos, C Johnston, M Steben, T Wong, N Engel, J Kim
Human immunodeficiency virus (HIV) self-testing presents an empowering alternative to facility-based testing for reaching undiagnosed HIV infected individuals, but is not currently available in Canada. We surveyed stakeholders (clinical providers, public health professionals, researchers) engaged in HIV testing initiatives nationwide to identify the concerns, opportunities and challenges to implementing HIV self-testing in Canada. An online cross-sectional survey was disseminated by the Canadian Institutes of Health Research Centre for REACH 2...
April 24, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28439606/cemento-ossifying-fibroma-of-the-mandible-a-clinicopathological-report
#15
Tapas K Bala, Sarmeshta Soni, Prakriti Dayal, Indrajeet Ghosh
Cemento-ossifying fibromas are rare fibro-osseous benign neoplasms that affect the jaws. They are included in the group of mesodermal odontogenic tumors and commonly present as a progressively growing lesion that might attain enormous size with resultant deformity, if left untreated. A confusion prevails on the terminology, which can only be confirmed by histopathologic evaluation. A case of cemento-ossifying fibroma involving the right mandible is described in a 30 year-old female patient. The clinical, radiographic, histologic features are presented and the various differential diagnosis are discussed...
May 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28439457/pollinator-diversity-and-reproductive-success-of-epipactis-helleborine-l-crantz-orchidaceae-in-anthropogenic-and-natural-habitats
#16
Agnieszka Rewicz, Radomir Jaskuła, Tomasz Rewicz, Grzegorz Tończyk
BACKGROUND: Epipactis helleborine is an Eurasian orchid species which prefers woodland environments but it may also spontaneously and successfully colonise human-made artificial and disturbed habitats such as roadsides, town parks and gardens. It is suggested that orchids colonising anthropogenic habitats are characterised by a specific set of features (e.g., large plant size, fast flower production). However, as it is not well known how pollinator diversity and reproductive success of E...
2017: PeerJ
https://www.readbyqxmd.com/read/28439216/pediatric-obesity-and-cardiometabolic-disorders-risk-factors-and-biomarkers
#17
E Levy, A K Saenger, M W Steffes, E Delvin
Obesity remains the most prevailing disorder in childhood males and females worldwide. Its high prevalence markedly predisposes children to insulin resistance, hypertension, hyperlipidemia and liver disorders while enhancing the risk of type 2 diabetes and cardiovascular diseases. In this review, the relationship of obesity with genetic and environmental factors will be described and the underlined causes will briefly be reported. As obesity in children constitutes an increasingly health concern, important potential biomarkers have been discussed for the diagnosis, treatment and follow-up of the wide range of overweight-related complications...
March 2017: EJIFCC
https://www.readbyqxmd.com/read/28439125/electron-phonon-coupling-in-topological-surface-states-the-role-of-polar-optical-modes
#18
Rolf Heid, Irina Yu Sklyadneva, Evgueni V Chulkov
The use of topological edge states for spintronic applications could be severely hampered by limited lifetimes due to intrinsic many-body interactions, in particular electron-phonon coupling. Previous works to determine the intrinsic coupling strength did not provide a coherent answer. Here, the electron-phonon interaction in the metallic surface state of 3D topological insulators is revised within a first principles framework. For the archetypical cases of Bi2Se3 and Bi2Te3, we find an overall weak coupling constant of less than 0...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28438159/prevalence-of-plasmodium-falciparum-and-non-p-falciparum-infections-in-a-highland-district-in-ghana-and-the-influence-of-hiv-and-sickle-cell-disease
#19
Ewurama D A Owusu, Charles A Brown, Martin P Grobusch, Petra Mens
BACKGROUND: In the past two decades, there has been a reported decline in malaria in Ghana and the rest of the world; yet it remains the number one cause of mortality and morbidity. Human immuno-deficiency virus (HIV) and sickle cell disease (SCD) share a common geographical space with malaria in sub-Saharan Africa and an interaction between these three conditions has been suggested. This study determined the Plasmodium falciparum and non-P. falciparum status of symptomatic and non-symptomatic residents of Mpraeso in the highlands of Kwahu-South district of Ghana based on evidence of current national decline...
April 24, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28438103/information-and-communication-technology-and-the-future-of-healthcare-results-of-a-multi-scenario-delphi-survey
#20
David Jungwirth, Daniela Haluza
Technological advances toward consumer-specific expectations require a sustained commitment and coordination across policy- and decision-makers. The present scenario-based study aimed at identifying prevailing perceptions regarding telehealth applications among Austrian healthcare experts. During a two-round online Delphi survey, panelists rated perceived benefits, obstacles, innovativeness, desirability, and estimated implementation date of 10 telehealth scenarios. Panelists (n = 73, 74% males) perceived that the implementation of telehealth scenarios could especially improve patients' knowledge, quality of social healthcare, and living standard...
April 1, 2017: Health Informatics Journal
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