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https://www.readbyqxmd.com/read/29332275/impact-of-drought-stress-induced-by-polyethylene-glycol-on-growth-water-relations-and-cell-viability-of-norway-spruce-seedlings
#1
Ilya E Zlobin, Yury V Ivanov, Alexander V Kartashov, Vladimir V Kuznetsov
We investigated physiological responses of 7-week-old Norway spruce seedlings to water deficits of different intensities. Hydroponically grown seedlings were subjected to mild (-0.15 MPa), strong (-0.5 and -1.0 MPa) and extreme (-1.5 MPa) water deficit induced by polyethylene glycol 6000, and their growth parameters, water status and physiological activity were analyzed. Seedlings effectively restricted water loss under drought, and even under extreme water deficit, shoot relative water content did not fall below 85%...
January 5, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29331625/proposing-priorities-of-intervention-for-the-recovery-of-native-fish-populations-using-hierarchical-ranking-of-environmental-and-exotic-species-impact
#2
V G Aschonitis, A Gavioli, M Lanzoni, E A Fano, C Feld, G Castaldelli
The freshwater populations of native fish species (Ns) have reached critical levels in many parts of the world due to combined habitat deterioration by human interventions and exotic fish species (Es) invasions. These alarming conditions require combined and well-designed interventions for restoring environmental quality and restricting Es invasion. The aim of the study is to propose a method to design spatially explicit priorities of intervention for the recovery of Ns populations in highly impacted freshwater systems by exotic multi-species invasion and water quality (WQ) degradation...
January 10, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29326876/mildly-elevated-succinylacetone-and-normal-liver-function-in-compound-heterozygotes-with-pathogenic-and-pseudodeficient-fah-alleles
#3
Hao Yang, Francis Rossignol, Denis Cyr, Rachel Laframboise, Shu Pei Wang, Jean-François Soucy, Marie-Thérèse Berthier, Yves Giguère, Paula J Waters, Grant A Mitchell
Background: A high level of succinylacetone (SA) in blood is a sensitive, specific marker for the screening and diagnosis of hepatorenal tyrosinemia (HT1, MIM 276700). HT1 is caused by mutations in the FAH gene, resulting in deficiency of fumarylacetoacetate hydrolase. HT1 newborns are usually clinically asymptomatic, but have coagulation abnormalities revealing liver dysfunction. Treatment with nitisinone (NTBC) plus dietary restriction of tyrosine and phenylalanine prevents the complications of HT1...
March 2018: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/29325077/integrating-restriction-site-associated-dna-sequencing-rad-seq-with-morphological-cladistic-analysis-clarifies-evolutionary-relationships-among-major-species-groups-of-bee-orchids
#4
Richard M Bateman, Gábor Sramkó, Ovidiu Paun
Background and Aims: Bee orchids (Ophrys) have become the most popular model system for studying reproduction via insect-mediated pseudo-copulation and for exploring the consequent, putatively adaptive, evolutionary radiations. However, despite intensive past research, both the phylogenetic structure and species diversity within the genus remain highly contentious. Here, we integrate next-generation sequencing and morphological cladistic techniques to clarify the phylogeny of the genus...
January 9, 2018: Annals of Botany
https://www.readbyqxmd.com/read/29324934/stem-cells-therapy-the-future-in-the-management-of-systemic-sclerosis-a-case-report
#5
Jung In Song, Silvanie Volz, Maria Eirini Liodaki, Peter Mailänder, Konstantinos Kalousis
OBJECTIVE: Systemic sclerosis (SSc) is a connective tissue disorder of unknown etiology, with heterogeneous clinical manifestations and chronic and often progressive course. The diffuse cutaneous form of SSc (dcSSc) is characterized by thickening of the skin (scleroderma) and distinctive involvement of multiple internal organs. Patients with limited cutaneous SSc (lcSSc) generally have long-standing Raynaud's phenomenon before other manifestations of SSc appear. Over the last decade the Interest of adipose-derived cell therapy in regenerative medicine has increased continuously...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29322230/migration-of-paraburkholderia-terrae-bs001-along-old-fungal-hyphae-in-soil-at-various-ph-levels
#6
Pu Yang, Renata Oliveira da Rocha Calixto, Jan Dirk van Elsas
The movement of bacterial cells along with fungal hyphae in soil (the mycosphere) has been reported in several previous studies. However, how local soil conditions affect bacterial migration direction in the mycosphere has not been extensively studied. Here, we investigated the influence of two soil parameters, pH and soil moisture content, on the migration, and survival, of Paraburkholderia terrae BS001 in the mycosphere of Lyophyllum sp. strain Karsten in microcosms containing a loamy sand soil. The data showed that bacterial movement along the hyphal networks took place in both the "forward" and the "backward" directions...
January 10, 2018: Microbial Ecology
https://www.readbyqxmd.com/read/29322140/development-of-antioxidant-gliadin-particle-stabilized-pickering-high-internal-phase-emulsions-hipes-as-oral-delivery-systems-and-the-in-vitro-digestion-fate
#7
F Z Zhou, T Zeng, S W Yin, C H Tang, D B Yuan, X Q Yang
In this paper, we demonstrate for the first time the use of gliadin particles to structure algal oil (rich in DHA) and to exert chemical stability against lipid oxidation via the Pickering high internal phase emulsion (HIPE) strategy. The gliadin/chitosan colloid particles (GCCPs) were effectively adsorbed and anchored at the algal oil-water interface. Concomitantly, the particle-coated droplets as building blocks constructed a percolating 3D-network framework, endowing Pickering HIPEs with viscoelastic and self-supporting attributes...
January 11, 2018: Food & Function
https://www.readbyqxmd.com/read/29319918/comparison-of-modified-two-point-dixon-and-chemical-shift-encoded-mri-water-fat-separation-methods-for-fetal-fat-quantification
#8
Stephanie A Giza, Michael R Miller, Prasiddha Parthasarathy, Barbra de Vrijer, Charles A McKenzie
BACKGROUND: Fetal fat is indicative of the energy balance within the fetus, which may be disrupted in pregnancy complications such as fetal growth restriction, macrosomia, and gestational diabetes. Water-fat separated MRI is a technique sensitive to tissue lipid content, measured as fat fraction (FF), and can be used to accurately measure fat volumes. Modified two-point Dixon and chemical shift encoded MRI (CSE-MRI) are water-fat separated MRI techniques that could be applied to imaging of fetal fat...
January 10, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29319595/pythium-keratitis-leading-to-fatal-cavernous-sinus-thrombophlebitis
#9
Anubha Rathi, Arunaloke Chakrabarti, Tushar Agarwal, Neelam Pushker, Mukesh Patil, Hemant Kamble, Jeewan S Titiyal, Rishi Mohan, Seema Kashyap, Sanjay Sharma, Seema Sen, Gita Satpathy, Namrata Sharma
PURPOSE: To report a case of Pythium insidiosum keratitis leading to fatal cavernous sinus thrombophlebitis. METHODS: Case report. RESULTS: A 70-year-old man presented with excruciating pain, redness, and diminution of vision in his left eye for 2 weeks after washing his hair with tap water. A total corneal ulcer with surrounding infiltrates and associated corneal thinning was present. Corneal scraping revealed the presence of Gram-positive cocci...
January 9, 2018: Cornea
https://www.readbyqxmd.com/read/29319200/the-rise-and-fall-of-peptic-ulceration-a-disease-of-civilization
#10
REVIEW
Ian C Roberts-Thomson
Humans and Helicobacter pylori have evolved and adapted over tens of thousands of years. Yet peptic ulcer disease appeared to be rare prior to the 19th century. The prevalence of peptic ulcer disease increased between 1850 and 1900 and culminated in a cohort at high risk that was born at the end of the 19th century. This coincided with the provision of safe water and improvements in sanitation and personal hygiene. One hypothesis for the emergence of peptic ulcer disease focuses on the rate of development of atrophic gastritis induced by Helicobacter pylori...
January 10, 2018: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29318728/diagnosis-and-management-of-hyponatraemia-in-the-older-patient
#11
REVIEW
Michael Woodward, Peter Gonski, Mathis Grossmann, John Obeid, Ron Scholes, Duncan J Topliss
Hyponatraemia (serum sodium concentration below 135 mmol/L) is the most common electrolyte disturbance and occurs commonly in older people. The causes can be complex to diagnose and treat and many published guidelines do not focus on the issues in an older patient group. Here, we are principally concerned with diagnosis and management of euvolaemic and hypervolaemic hyponatraemia in hospitalised patients over 70 years old. We also aim to increase awareness of hyponatraemia in residential aged care facilities and the community...
January 2018: Internal Medicine Journal
https://www.readbyqxmd.com/read/29317010/a-new-model-for-fetal-programming-maternal-ramadan-type-fasting-programs-nephrogenesis
#12
M Mohany, N Ashton, A H Harrath, J R Nyengaard, S Y Alomar, S Alwasel
The effect of maternal Ramadan-type fasting (RTF) on the outcome of pregnancy, kidney development and nephron number in male rat offspring was investigated in current study. Pregnant rats were given food and water ad libitum during pregnancy (control) or restricted for 16 h per day (RTF). Kidney structure was examined during fetal life, at birth, and in early and late adulthood. Maternal body weight, food intake, relative food intake and plasma glucose levels were significantly lower (P<0.001) in the RTF group...
January 10, 2018: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/29315904/the-effects-of-ageing-on-mouse-muscle-microstructure-a-comparative-study-of-time-dependent-diffusion-mri-and-histological-assessment
#13
Paola Porcari, Matt G Hall, Chris A Clark, Elizabeth Greally, Volker Straub, Andrew M Blamire
The investigation of age-related changes in muscle microstructure between developmental and healthy adult mice may help us to understand the clinical features of early-onset muscle diseases, such as Duchenne muscular dystrophy. We investigated the evolution of mouse hind-limb muscle microstructure using diffusion imaging of in vivo and in vitro samples from both actively growing and mature mice. Mean apparent diffusion coefficients (ADCs) of the gastrocnemius and tibialis anterior muscles were determined as a function of diffusion time (Δ), age (7...
January 9, 2018: NMR in Biomedicine
https://www.readbyqxmd.com/read/29314594/functional-kaolinite
#14
REVIEW
Christian Detellier
The world resources of all clays are extremely large. Among the various types of clays, the world mine production of kaolin in 2016 was 37.0 Mt, the largest mined clay. Kaolin is traditionally used in ceramics, refractories and as paper coating and filling. But kaolin, as it is demonstrated in this paper, has a bright potential for use in non-traditional, high value-added, applications. This is particularly true for its principal component: the mineral species kaolinite which has a chemical structure allowing its functionalization, leading to a variety of potential applications...
January 4, 2018: Chemical Record: An Official Publication of the Chemical Society of Japan ... [et Al.]
https://www.readbyqxmd.com/read/29313675/aggregation-induced-emission-enhancement-from-disilane-bridged-donor-acceptor-donor-luminogens-based-on-the-triarylamine-functionality
#15
Tsukasa Usuki, Masaki Shimada, Yoshinori Yamanoi, Tatsuhiko Ohto, Hirokazu Tada, Hidetaka Kasai, Eiji Nishibori, Hiroshi Nishihara
Six novel donor-acceptor-donor organic dyes containing a Si-Si moiety based on triarylamine functionalities as donor units were prepared by Pd-catalyzed arylation of hydrosilanes. Their photophysical, electrochemical, and structural properties were studied in detail. Most of the compounds showed attractive photoluminescence (PL) and electrochemical properties both in solution and in the solid state because of intramolecular charge transfer (ICT), suggesting these compounds could be useful for electroluminescence (EL) applications...
January 9, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29311242/vaccine-linked-chemotherapy-improves-benznidazole-efficacy-for-acute-chagas-disease
#16
Kathryn Jones, Leroy Versteeg, Ashish Damania, Brian Keegan, April Kendricks, Jeroen Pollet, Julio Vladimir Cruz-Chan, Fabian Gusovsky, Peter J Hotez, Maria Elena Bottazzi
Chagas disease affects 6-7 million people worldwide, resulting in significant disease burdens and healthcare costs in endemic countries. Chemotherapeutic treatment is restricted to two parasiticidal drugs benznidazole and nifurtimox. Both drugs are highly effective during acute disease, but are only minimally effective during chronic disease and fraught with significant adverse clinical effects. In experimental models, vaccines can be used to induce parasite specific balanced TH1/TH2 immune responses that effectively reduce parasite burdens and associated inflammation while minimizing adverse effects...
January 8, 2018: Infection and Immunity
https://www.readbyqxmd.com/read/29306841/removal-of-metals-from-industrial-wastewater-and-urban-runoff-by-mineral-and-bio-based-sorbents
#17
Harshita Gogoi, Tiina Leiviskä, Elisangela Heiderscheidt, Heini Postila, Juha Tanskanen
The study was performed to evaluate chemically modified biosorbents, hydrochloric acid treated peat (HCl-P) and citric acid treated sawdust (Citric acid-SD) for their metal removal capacity from dilute industrial wastewater and urban runoff and compare their efficiency with that of commercially available mineral sorbents (AQM PalPower M10 and AQM PalPower T5M5 magnetite). Batch and column experiments were conducted using real water samples to assess the sorbents' metal sorption capacity. AQM PalPower M10 (consisting mainly of magnesium, iron and silicon oxides) exhibited excellent Zn removal from both industrial wastewater and spiked runoff water samples even at low dosages (0...
January 4, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29302834/successful-colonization-of-lodgepole-pine-trees-by-mountain-pine-beetle-increased-monoterpene-production-and-exhausted-carbohydrate-reserves
#18
Marla Roth, Altaf Hussain, Jonathan A Cale, Nadir Erbilgin
Lodgepole pine (Pinus contorta) forests have experienced severe mortality from mountain pine beetle (MPB) (Dendroctonus ponderosae Hopkins) in western North America for the last several years. Although the mechanisms by which beetles kill host trees are unclear, they are likely linked to pine defense monoterpenes that are synthesized from carbohydrate reserves. However, how carbohydrates and monoterpenes interact in response to MPB colonization is unknown. Understanding this relationship could help to elucidate how pines succumb to bark beetle attack...
January 4, 2018: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/29302374/using-quality-of-life-scales-with-nutritional-relevance-after-gastrectomy-a-challenge-for-providing-personalized-treatment
#19
Seung Soo Lee, Wansik Yu, Ho Young Chung, Oh Kyoung Kwon, Won Kee Lee
Purpose: This study evaluated the changes in nutritional status based on quality of life (QoL) item-level analysis to determine whether individual QoL responses might facilitate personal clinical impact. Materials and Methods: This study retrospectively evaluated QoL data obtained by the European Organisation for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Core 30 (QLQ-C30) and Quality of Life Questionnaire-Stomach (QLQ-STO22) as well as metabolic-nutritional data obtained by bioelectrical impedance analysis and blood tests...
December 2017: Journal of Gastric Cancer
https://www.readbyqxmd.com/read/29301399/structural-and-dynamical-nature-of-hydration-shells-of-the-carbonate-ion-in-water-an-ab-initio-molecular-dynamics-study
#20
Sushma Yadav, Amalendu Chandra
Structural and dynamical nature of hydration shells of the carbonate ion in water is investigated through ab initio molecular dynamics simulation. The anisotropic solvation shell structure of the ion is resolved by calculating conically restricted pair distribution and radial/angular correlation functions. The vibrational frequency of OD modes hydrogen bonded to the ion is found to be smaller than that of bulk water which means the carbonate ion-water hydrogen bonds are stronger than that between water molecules...
January 5, 2018: Journal of Physical Chemistry. B
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