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https://www.readbyqxmd.com/read/28346992/longitudinal-assessment-of-hydropeaking-impacts-on-various-scales-for-an-improved-process-understanding-and-the-design-of-mitigation-measures
#1
C Hauer, P Holzapfel, P Leitner, W Graf
Hydropeaking is one of the main pressures on the aquatic ecology in alpine rivers. Beside studies on abiotic process and biotic response on the local scale there is a lack in process understanding on the reach scale. Especially longitudinal changes of hydropeaking impacts based on retention processes have not been studied yet. Thus, based on unsteady one-dimensional and two-dimensional depth averaged modelling it was targeted to investigate possible changes in vertical ramping velocity for the discussion of possible mitigation measures at the local scale...
January 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28346991/an-integrated-assessment-framework-for-the-analysis-of-multiple-pressures-in-aquatic-ecosystems-and-the-appraisal-of-management-options
#2
A Pistocchi, A Udias, B Grizzetti, E Gelati, P Koundouri, R Ludwig, A Papandreou, I Souliotis
The contribution illustrates an integrated assessment framework aimed at evaluating the relationships between multiple pressures and water body status for the purposes of river basin management. The framework includes the following steps. (1) Understanding how the different pressures affect the status of water bodies. This entails the characterization of biophysical state variables and the definition of a causal relationship between pressures and status. Therefore this step involves interaction between experts bearing ecological understanding and experts providing models to represent the effect of pressures...
January 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28346948/putting-patients-first-by-reducing-administrative-tasks-in-health-care-a-position-paper-of-the-american-college-of-physicians
#3
Shari M Erickson, Brooke Rockwern, Michelle Koltov, Robert McLean
This American College of Physicians (ACP) position paper, initiated and written by ACP's Medical Practice and Quality Committee and approved by the Board of Regents on 21 January 2017, reports policy recommendations to address the issue of administrative tasks to mitigate or eliminate their adverse effects on physicians, their patients, and the health care system as a whole. The paper outlines a cohesive framework for analyzing administrative tasks through several lenses to better understand any given task that a clinician and his or her staff may be required to perform...
March 28, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28346939/a-b12-dependent-radical-sam-enzyme-involved-in-oxetanocin-a-biosynthesis
#4
Jennifer Bridwell-Rabb, Aoshu Zhong, He G Sun, Catherine L Drennan, Hung-Wen Liu
Oxetanocin A (OXT-A) is a potent antitumour, antiviral and antibacterial compound. Biosynthesis of OXT-A has been linked to a plasmid-borne Bacillus megaterium gene cluster that contains four genes: oxsA, oxsB, oxrA and oxrB. Here we show that both the oxsA and oxsB genes are required for the production of OXT-A. Biochemical analysis of the encoded proteins, a cobalamin (Cbl)-dependent S-adenosylmethionine (AdoMet) radical enzyme, OxsB, and an HD-domain phosphohydrolase, OxsA, reveals that OXT-A is derived from a 2'-deoxyadenosine phosphate in an OxsB-catalysed ring contraction reaction initiated by hydrogen atom abstraction from C2'...
March 27, 2017: Nature
https://www.readbyqxmd.com/read/28346925/microbiota-and-necrotizing-enterocolitis
#5
Sanjay Patole
Necrotizing enterocolitis (NEC) is an acquired gastrointestinal inflammatory condition with significant mortality and morbidity in preterm very low birth weight infants. The interplay between toll-like receptors, bacterial endotoxins, developmentally regulated excessive proinflammatory responses of the immature innate immune system, hypoxia, ischemia, reperfusion, free radicals, and the presence of substrates and bacterial endotoxins is thought to play an important role in the pathogenesis of NEC. The association (cause?) of various microbes (bacteria, viruses, and fungi) with NEC has intrigued researchers for many years...
2017: Nestlé Nutrition Institute Workshop Series
https://www.readbyqxmd.com/read/28346905/modeling-the-terrestrial-n-processes-in-a-small-mountain-catchment-through-inca-n-a-case-study-in-taiwan
#6
Meng-Chang Lu, Chung-Te Chang, Teng-Chiu Lin, Lih-Jih Wang, Chiao-Ping Wang, Ting-Chang Hsu, Jr-Chuan Huang
Riverine dissolved inorganic nitrogen (DIN) is an important indicator of trophic status of aquatic ecosystems. High riverine DIN export in Taiwan, ~3800kg-Nkm(-2)yr(-1), which is ~18 times higher than the global average, urges the need of thorough understanding of N cycling processes. We applied INCA-N (Integrated Nitrogen Catchment Model) to simulate riverine DIN export and infer terrestrial N processes using weekly rainwater and streamwater samples collected at the Fushan Experimental Forest (FEF) of northern Taiwan...
March 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28346899/multi-scale-approach-to-euro-atlantic-climatic-cycles-based-on-phenological-time-series-air-temperatures-and-circulation-indexes
#7
Luigi Mariani, Franco Zavatti
The spectral periods in North Atlantic Oscillation (NAO), Atlantic Multidecadal Oscillation (AMO) and El Nino Southern Oscillation (ENSO) were analyzed and has been verified how they imprint a time series of European temperature anomalies (ETA), two European temperature time series and some phenological series (dates of cherry flowering and grapevine harvest). Such work had as reference scenario the linear causal chain MCTP (Macroscale Circulation→Temperature→Phenology of crops) that links oceanic and atmospheric circulation to surface air temperature which in its turn determines the earliness of appearance of phenological phases of plants...
March 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28346895/wheat-genomics-comes-of-age
#8
REVIEW
Cristobal Uauy
Advances in wheat genomics have lagged behind other major cereals (e.g., rice and maize) due to its highly repetitive and large polyploid genome. Recent technological developments in sequencing and assembly methods, however, have largely overcome these barriers. The community now moves to an era centred on functional characterisation of the genome. This includes understanding sequence and structural variation as well as how information is integrated across multiple homoeologous genomes. This understanding promises to uncover variation previously hidden from natural and human selection due to the often observed functional redundancy between homoeologs...
March 24, 2017: Current Opinion in Plant Biology
https://www.readbyqxmd.com/read/28346889/quantifying-the-dynamics-of-emotional-expressions-in-family-therapy-of-patients-with-anorexia-nervosa
#9
Laurent Pezard, Karyn Doba, Annick Lesne, Jean-Louis Nandrino
Emotional interactions have been considered dynamical processes involved in the affective life of humans and their disturbances may induce mental disorders. Most studies of emotional interactions have focused on dyadic behaviors or self-reports of emotional states but neglected the dynamical processes involved in family therapy. The main objective of this study is to quantify the dynamics of emotional expressions and their changes using the family therapy of patients with anorexia nervosa as an example. Nonlinear methods characterize the variability of the dynamics at the level of the whole therapeutic system and reciprocal influence between the participants during family therapy...
March 23, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28346838/hiv-1-transmission-networks-across-south-korea
#10
Mi Young Ahn, Joel O Wertheim, Woo Joo Kim, Shin-Woo Kim, Jin Soo Lee, Hea Won Ann, Yongduk Jeon, Jin Young Ahn, Je Eun Song, Dong Hyun Oh, Yong Chan Kim, Eun Jin Kim, In Young Jung, Moo Hyun Kim, Wooyoung Jeong, Su Jin Jeong, Nam Su Ku, June Myung Kim, Davey M Smith, Jun Yong Choi
Molecular epidemiology can help clarify the properties and dynamics of HIV-1 transmission networks in both global and regional scales. We studied 143 HIV-1-infected individuals recruited from four medical centers of three cities in South Korea between April 2013 and May 2014. HIV-1 env V3 sequence data were generated (337-793 bp) and analyzed using a pairwise distance-based clustering approach to infer putative transmission networks. Participants whose viruses were ≤2.0% divergent according to Tamura-Nei 93 genetic distance were defined as clustering...
March 27, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28346818/regulation-of-low-temperature-stress-in-plants-by-micrornas
#11
REVIEW
Swati Megha, Urmila Basu, Nat N V Kav
Low temperature is one of the most common environmental stresses that seriously affects the growth and development of plants. However, plants have the plasticity in their defense mechanisms enabling them to tolerate and, sometimes, even survive adverse environmental conditions. MicroRNAs (miRNAs) are small non-coding RNAs, approximately 19-21 nucleotides in length, and are being increasingly recognized as regulators of gene expression at the post-transcriptional level and have the ability to influence a broad range of biological processes...
March 27, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28346808/patient-reported-outcomes-1-year-after-immediate-breast-reconstruction-results-of-the-mastectomy-reconstruction-outcomes-consortium-study
#12
Andrea L Pusic, Evan Matros, Neil Fine, Edward Buchel, Gayle M Gordillo, Jennifer B Hamill, Hyungjin M Kim, Ji Qi, Claudia Albornoz, Anne F Klassen, Edwin G Wilkins
Purpose The goals of immediate postmastectomy breast reconstruction are to minimize deformity and optimize quality of life as perceived by patients. We prospectively evaluated patient-reported outcomes (PROs) in women undergoing immediate implant-based or autologous reconstruction. Methods Women undergoing immediate postmastectomy reconstruction for invasive cancer and/or carcinoma in situ were enrolled at 11 sites. Women underwent implant-based or autologous tissue reconstruction. Patients completed the BREAST-Q, a condition-specific PRO measure for breast surgery patients, and Patient-Reported Outcomes Measurement Information System-29, a generic PRO measure, before and 1 year after surgery...
March 27, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28346795/understanding-the-emission-impacts-of-hov-to-hot-lane-conversions-experience-from-atlanta-ga
#13
Yanzhi Ann Xu, Haobing Liu, Michael O Rodgers, Angshuman Guin, Michael Hunter, Adnan Sheikh, Randall L Guensler
Converting a congested High Occupancy Vehicle (HOV) lane into a High Occupancy Toll (HOT) lane is a viable option for improving travel time reliability for carpools and buses that use the managed lane. However, the emission impacts of HOV-to-HOT-conversions are not well understood. The lack of emissions impact quantification for HOT conversions creates a policy challenge for agencies making transportation funding choices. The goal of this paper is to evaluate the case study before-and-after changes in vehicle emissions for the Atlanta, GA I-85 HOV/HOT lane conversion project, implemented in October, 2011...
March 27, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28346761/commentary-information-processing-in-anxiety-and%C3%A2-depression-novel-targets-for-translational-research-a-reflection-on-lau-and-waters-2017
#14
Gal Arad, Yair Bar-Haim
Understanding psychopathology in the context of a developmental cognitive neuroscience approach entails the notion that specific individual differences in information processing can serve as both etiologic and maintaining factors in the development of specific disorders. It is posited that such mechanistic understanding of neurocognitive aberrations during development can then serve focused translational efforts in the form of cognitive bias modification treatments. In the review by Lau and Waters (this issue), an astute developmental model is suggested regarding the role of potential neurocognitive mechanisms in depression and anxiety in youth...
April 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28346759/commentary-what-s-in-a-word-or-words-on-the-relations-among-self-regulation-self-control-executive-functioning-effortful-control-cognitive-control-impulsivity-risk-taking-and-inhibition-for-developmental-psychopathology-reflections-on-nigg-2017
#15
Nancy Eisenberg
In Nigg's excellent article, he deals with a variety of complex conceptual issues related to the constructs of self-regulation and executive functioning (EF). Overall, I agree that the terminology proposed by Nigg should be adopted; moreover, the conceptual distinctions he provides should help the field to move forward with regard to the understanding of varied constructs related to self-regulation. In the spirit of further clarification, I questioned Nigg's suggestions that (a) working memory should be considered as part of the construct of top-down regulation and (b) planning is a higher level component of EF but not part of effortful control...
April 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28346756/commentary-all-that-glisters-is-not-gold-reflections-on-hollis-et%C3%A2-al-2017
#16
Roz Shafran, Sophie D Bennett
Digital Health Innovations have great potential to improve access to evidence-based psychological therapies. This comprehensive review and meta-analysis sets out the current state of the field including the efficacy of the interventions for different types of mental health problems and the desirability of the interventions from the patients' perspective. It also highlights the poor methodology of much of the research and suggests important ways forward to improve the quality of the data. The importance of assessing and understanding the potential negative impact of such interventions is emphasised both in the review and the commentary, and suggestions are made to maximise the likelihood that such interventions are accessible within routine services...
April 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28346750/intuitive-understanding-of-%C3%AF-delocalization-in-loose-and-%C3%AF-localization-in-tight-helical-conformations-of-an-oligosilane-chain
#17
Milena Jovanovic, Dean Antic, David Rooklin, Annika Bande, Josef Michl
Conformational effects on σ-electron delocalization in oligosilanes are addressed by Hartree-Fock and time-dependent density functional theory (B3LYP, 6-311G**) at MP2 optimized geometries of permethylated uniformly helical linear oligosilanes (all-ω-SinR2n+2) up to n = 16 and for backbone dihedral angles ω = 55 - 180̊. The extent of σ delocalization is judged by the partition ratio of the highest occupied molecular orbital and is reflected in the dependence of its shape and energy and of UV absorption spectra on n...
March 27, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28346708/high-resolution-isotopic-monitoring-of-cave-air-co2
#18
Paul Töchterle, Yuri Dublyansky, Nils Stöbener, Magda Mandić, Christoph Spötl
RATIONALE: CO2 is the main driver of many chemical processes in cave environments. Understanding CO2 fluxes in a given cave system through monitoring campaigns has become a standard procedure in a wide variety of fields such as paleoclimatology or show cave management. However, conventional methods lack the resolution of isotopic data to capture many transient processes occurring in caves. METHODS: A novel approach using isotope ratio infrared spectrometry (IRIS) to monitor cave air pCO2 , δ(13) C and δ(18) O values in situ was tested and compared with conventional monitoring methods (handheld pCO2 meter and discrete cave air samples for conventional isotope ratio mass spectrometry)...
March 27, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28346643/evaluating-the-quality-and-readability-of-internet-information-sources-regarding-the-treatment-of-swallowing-disorders
#19
Ashley P O'Connell Ferster, Amanda Hu
The Internet has become a popular resource for patient education. The information it provides, however, is rarely peer-reviewed, and its quality may be a concern. Since the average American reads at an 8th grade level, the American Medical Association and the National Institutes of Health have recommended that health information be written at a 4th to 6th grade level. We performed a study to assess the quality and readability of online information regarding the treatment of swallowing disorders. A Google search for "swallowing treatment" was conducted...
March 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28346616/unilateral-amblyopia-affects-two-eyes-fellow-eye-deficits-in-amblyopia
#20
Kimberly Meier, Deborah Giaschi
Unilateral amblyopia is a visual disorder that arises after selective disruption of visual input to one eye during critical periods of development. In the clinic, amblyopia is understood as poor visual acuity in an eye that was deprived of pattern vision early in life. By its nature, however, amblyopia has an adverse effect on the development of a binocular visual system and the interactions between signals from two eyes. Visual functions aside from visual acuity are impacted, and many studies have indicated compromised sensitivity in the fellow eye even though it demonstrates normal visual acuity...
March 1, 2017: Investigative Ophthalmology & Visual Science
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