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https://www.readbyqxmd.com/read/29026423/comprehensive-maternal-characteristics-associated-with-birth-weight-bayesian-modeling-in-a-prospective-cohort-study-from-iran
#1
Marjan Mansourian, Raziyeh Mohammadi, Hamid Reza Marateb, Akram Yazdani, Masoomeh Goodarzi-Khoigani, Sajedeh Molavi
BACKGROUND: In this study, we aimed to determine comprehensive maternal characteristics associated with birth weight using Bayesian modeling. MATERIALS AND METHODS: A total of 526 participants were included in this prospective study. Nutritional status, supplement consumption during the pregnancy, demographic and socioeconomic characteristics, anthropometric measures, physical activity, and pregnancy outcomes were considered as effective variables on the birth weight...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28994235/lipo-protein-emulsion-structure-in-the-diet-affects-protein-digestion-kinetics-intestinal-mucosa-parameters-and-microbiota-composition
#2
Marion Oberli, Véronique Douard, Martin Beaumont, Daphné Jaoui, Fabienne Devime, Sandy Laurent, Catherine Chaumontet, Damien Mat, Steven Le Feunteun, Camille Michon, Anne-Marie Davila, Gilles Fromentin, Daniel Tomé, Isabelle Souchon, Marion Leclerc, Claire Gaudichon, François Blachier
SCOPE: Food structure is a key factor controlling digestion and nutrient absorption. We tested the hypothesis that protein emulsion structure in the diet may affect digestive and absorptive processes. METHODS & RESULTS: Rats (n = 40) were fed for 3 weeks two diets chemically identical but based on lipid-protein liquid-fine (LFE) or gelled-coarse (GCE) emulsions that differ at the macro- and micro-structure levels. After an overnight fasting, they ingested a (15) N-labeled LFE or GCE test meal and were euthanized 0, 15min, 1h and 5h later...
October 10, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28989596/the-automated-root-exudate-system-ares-a-method-to-apply-solutes-at-regular-intervals-to-soils-in-the-field
#3
Luis Lopez-Sangil, Charles George, Eduardo Medina-Barcenas, Ali J Birkett, Catherine Baxendale, Laëtitia M Bréchet, Eduard Estradera-Gumbau, Emma J Sayer
Root exudation is a key component of nutrient and carbon dynamics in terrestrial ecosystems. Exudation rates vary widely by plant species and environmental conditions, but our understanding of how root exudates affect soil functioning is incomplete, in part because there are few viable methods to manipulate root exudates in situ. To address this, we devised the Automated Root Exudate System (ARES), which simulates increased root exudation by applying small amounts of labile solutes at regular intervals in the field...
September 2017: Methods in Ecology and Evolution
https://www.readbyqxmd.com/read/28989560/evaluation-of-performance-of-introduced-yam-bean-pachyrhizus-spp-in-three-agro-ecological-zones-of-rwanda
#4
Ndirigwe Jean, Rubaihayo Patrick, Tukamuhabwa Phenihas, Agaba Rolland, Rukundo Placide, Mwanga O M Robert, Tumwegamire Silver, Kamarirwa Vestine, Kayinamura Evrard, Wolfgang J Grüneberg
The yam bean (Pachyrizhus spp) was recently introduced as a root crop with high-yield potential, considerable protein and micro-nutrient concentration to investigate its potential for food production in Rwanda. Except for Chuin types (Pachyrizhus tuberosus) which have high storage root dry matter (RDM) (26 to 36%), most accessions are consumed raw and are reported to have low RDM. The present study aimed to evaluate and identify adapted high yielding yam bean accessions in major agro-ecological zones of Rwanda...
2017: Tropical Plant Biology
https://www.readbyqxmd.com/read/28988326/soil-aggregate-and-organic-carbon-distribution-at-dry-land-soil-and-paddy-soil-the-role-of-different-straws-returning
#5
Rong Huang, Muling Lan, Jiang Liu, Ming Gao
Agriculture wastes returning to soil is one of common ways to reuse crop straws in China. The returned straws are expected to improve the fertility and structural stability of soil during the degradation of straw it selves. The in situ effect of different straw (wheat, rice, maize, rape, and broad bean) applications for soil aggregate stability and soil organic carbon (SOC) distribution were studied at both dry land soil and paddy soil in this study. Wet sieving procedures were used to separate soil aggregate sizes...
October 8, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28986112/seagrass-leaf-element-content-a-global-overview
#6
J Arie Vonk, Fee O H Smulders, Marjolijn J A Christianen, Laura L Govers
Knowledge on the role of seagrass leaf elements and in particular micronutrients and their ranges is limited. We present a global database, consisting of 1126 unique leaf values for ten elements, obtained from literature and unpublished data, spanning 25 different seagrass species from 28 countries. The overall order of average element values in seagrass leaves was Na>K>Ca>Mg>S>Fe>Al>Si>Mn>Zn. Although we observed differences in leaf element content between seagrass families, high intraspecific variation indicated that leaf element content was more strongly determined by environmental factors than by evolutionary history...
October 3, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28982089/insight-into-the-microbial-community-and-its-succession-of-a-coupling-anaerobic-aerobic-biofilm-on-semi-suspended-bio-carriers
#7
Bing Tang, Qianyu Chen, Liying Bin, Shaosong Huang, Wenxiang Zhang, Fenglian Fu, Ping Li
This work aims at establishing a coupling anaerobic-aerobic biofilm within a single bioreactor and revealing its microbial community and succession. By using a semi-suspended bio-carrier fabricated with 3D printing technique, an obvious DO gradient was gradually created within the biofilm, which demonstrated that a coupling anaerobic-aerobic biofilm was successfully established on the surface of bio-carriers. The results of metagenomic analysis revealed that the microbial community on the bio-carriers experienced a continuous succession in its structure and dominant species along with the operational time...
September 22, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28962695/arterio-venous-fetoplacental-vascular-geometry-and-hemodynamics-in-the-mouse-placenta
#8
Monique Y Rennie, Lindsay S Cahill, S Lee Adamson, John G Sled
INTRODUCTION: The fetoplacental vasculature network is essential for the exchange of nutrients, gases and wastes with the maternal circulation and for normal fetal development. The present study quantitatively compares arterial and venous morphological and functional differences in the mouse fetoplacental vascular network. METHODS: High resolution X-ray micro-computed tomography was used to visualize the 3D geometry of the arterial and venous fetoplacental vasculature in embryonic day 15...
October 2017: Placenta
https://www.readbyqxmd.com/read/28961994/the-use-of-grafting-to-study-systemic-signaling-in-plants
#9
Hiroki Tsutsui, Michitaka Notaguchi
Grafting has long been an important technique in agriculture. Nowadays, grafting is a widely used technique also to study systemic long-distance signaling in plants. Plants respond to their surrounding environment, and at that time many aspects of their physiology are regulated systemically; these start from local input signals and are followed by the transmission of information to the rest of the plant. For example, soil nutrient conditions, light/photoperiod, and biotic and abiotic stresses affect plants heterogeneously, and plants perceive such information in specific plant tissues or organs...
August 1, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28960292/case-report-of-a-potential-association-between-burkholderia-cepacia-and-preterm-delivery-of-a-twin-pregnancy-following-in-vitro-fertilization
#10
Stavroula Baka, Mariana Dramountani, Charalambos Karachalios, Iraklis Michaliadis, Evangelia Kouskouni, Konstantinos Panoulis
Vaginal colonization of Burkholderia cepacia was identified as a potentially complicating factor during a high-risk pregnancy. Although first described as a phytopathogen and used as a bio-pesticide, Burkholderia cepacia, an aerobic, glucose non-fermenting, multidrug-resistant Gram-negative rod, has emerged as a significant opportunistic pathogen causing severe pulmonary infections, mostly in patients who have cystic fibrosis and are immunocompromised [1]. Owing to its ability to survive and proliferate in nutrient-poor liquids and moist environments, hospital outbreaks have been associated with contaminated intravenous solutions, disinfectants, hospital equipment, and person-to-person contact [1,2]...
September 28, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28954517/identification-of-distinct-functional-microstructural-domains-controlling-c-storage-in-soil
#11
Markus Steffens, Derek M Rogge, Carsten W Mueller, Carmen Höschen, Johann Lugmeier, Angelika Kölbl, Ingrid Kogel-Knabner
The physical, chemical, and biological processes forming the backbone of important soil functions (e.g. carbon sequestration, nutrient and contaminant storage, and water transport) take place at reactive interfaces of soil particles and pores. The accessibility of these interfaces is determined by the spatial arrangement of the solid mineral and organic soil components, and the resulting pore system. Despite the development and application of novel imaging techniques operating at the micro- and even nanometer scale, the microstructure of soils is still considered as a random arrangement of mineral and organic components...
September 28, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28946778/the-role-of-mucoprotectants-in-the-management-of-gastrointestinal-disorders
#12
Helene Eutamene, Catherine Beaufrand, Cherryl Harkat, Vassilia Theodorou
The intestinal barrier controls the absorption of nutrients and water whilst helping to prevent the entry of toxins and pathogenic micro-organisms from the lumen into the tissues. Deficiencies in the barrier are associated with various gastrointestinal and extra digestive disorders. Areas covered: This review provides an overview of the relationship between increased intestinal permeability and disease, and considers the role of mucosal protectants (mucoprotectants) in restoring normal intestinal barrier function, with a particular focus on diarrheal disorders...
September 26, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28942314/effects-of-long-term-grassland-management-on-the-carbon-and-nitrogen-pools-of-different-soil-aggregate-fractions
#13
Gary Egan, Michael J Crawley, Dario A Fornara
Common grassland management practices include animal grazing and the repeated addition of lime and nutrient fertilizers to soils. These practices can greatly influence the size and distribution of different soil aggregate fractions, thus altering the cycling and storage of carbon (C) and nitrogen (N) in grassland soils. So far, very few studies have simultaneously addressed the potential long-term effect that multiple management practices might have on soil physical aggregation. Here we specifically ask whether and how grazing, liming and nutrient fertilization might influence C and N content (%) as well as C and N pools of different soil aggregate fractions in a long-term grassland experiment established in 1991 at Silwood Park, Berkshire, UK...
September 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28928514/component-analysis-of-nutritionally-rich-chloroplasts-recovery-from-conventional-and-unconventional-green-plant-species
#14
Mohamed A Gedi, Rhianna Briars, Felius Yuseli, Noorazwani Zainol, Randa Darwish, Andrew M Salter, David A Gray
A study of the literature indicates that chloroplasts synthesise a range of molecules, many of which have nutritional value for humans, but the nutritional credentials of chloroplasts recovered from plant cells are not established. Chloroplast-rich-fractions (CRFs) were prepared from green plant species and the macro- and micro-nutrient composition compared with the whole leaf materials (WLMs). The results indicated that, on a dry weight basis, CRF material from a range of green biomass was enriched in lipids and proteins, and in a range of micronutrients compared with the WLM...
August 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28926787/a-novel-a-b-process-for-enhanced-biological-nutrient-removal-in-municipal-wastewater-reclamation
#15
Guangjing Xu, Han Wang, Jun Gu, Nan Shen, Zheng Qiu, Yan Zhou, Yu Liu
This study developed an innovative A-B process for enhanced nutrients removal in municipal wastewater reclamation, in which a micro-aerated moving bed biofilm reactor served as A-stage and a step-feed sequencing batch reactor (SBR) as B-stage. In the A-stage, 55% of COD and 15% of ammonia nitrogen was removed, while more than 88% of the total nitrogen was removed via nitritation and denitritation, together with 93% of phosphorous removal at the B-stage where ammonia oxidizing bacteria activity was significantly higher than nitrite oxidizing bacteria activity...
September 12, 2017: Chemosphere
https://www.readbyqxmd.com/read/28923475/chemical-and-nano-mineralogical-study-for-determining-potential-uses-of-legal-colombian-gold-mine-sludge-experimental-evidence
#16
Nazly E Sánchez-Peña, José L Narváez-Semanate, Daniela Pabón-Patiño, Javier E Fernández-Mera, Marcos L S Oliveira, Kátia da Boit, Bernardo F Tutikian, Tito J Crissien, Diana C Pinto, Iván D Serrano, Claudia I Ayala, Ana L Duarte, José D Ruiz, Luis F O Silva
The present study is focused on the chemical and nano-mineralogical characterization of sludge from gold mine activities, in order to put forward diverse solution alternatives, where lack of knowledge has been found. The sample was collected from "La Estrella" mine of Suarez, located in Department of Cauca, south-west Colombia. The sludge micro-structure and chemical composition were analyzed using a high resolution transmission electron microscopy (HR-TEM) equipped with a dispersive X-ray detector (EDS). X-ray diffraction technique was employed to identify the mineralogical phases present in the sludge...
August 26, 2017: Chemosphere
https://www.readbyqxmd.com/read/28902696/impact-of-conditional-cash-transfers-on-child-nutritional-outcomes-among-sub-saharan-african-countries-a-systematic-review-protocol
#17
Desalegn Ararso Garoma, Yosef Gebreyohannes Abraha, Serebe Abay Gebrie, Fasil Mengistu Deribe, Mamuye Hadis Tefera, Sudhakar Morankar
The objective of this review is to assess the impact of conditional cash transfers on child nutritional outcomes among sub-Saharan African countries. More specifically, the objectives are to assess the impact of conditional cash transfers on child anthropometry, micro-nutrient, and improvement in dietary diversity of households.
September 2017: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28890723/dynamics-of-short-term-phosphorus-uptake-by-intact-mycorrhizal-and-non-mycorrhizal-maize-plants-grown-in-a-circulatory-semi-hydroponic-cultivation-system
#18
Mónica Garcés-Ruiz, Maryline Calonne-Salmon, Katia Plouznikoff, Coralie Misson, Micaela Navarrete-Mier, Sylvie Cranenbrouck, Stéphane Declerck
A non-destructive cultivation system was developed to study the dynamics of phosphorus (Pi) uptake by mycorrhizal and non-mycorrhizal maize plantlets. The system consisted of a plant container connected via silicon tubes to a glass bottle containing a nutrient solution supplemented with Pi. The nutrient solution is pumped with a peristaltic pump to the upper part of the container via the silicon tubes and the solution percolate through the plantlet container back into the glass bottle. Pi is sampled from the glass bottle at regular intervals and concentration evaluated...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28879634/does-low-uranium-concentration-generates-phytotoxic-symptoms-in-pisum-sativum-l-in-nutrient-medium
#19
Frank Tawussi, Clemens Walther, Dharmendra K Gupta
Due to excessive mining and use of radionuclide especially uranium (U) and its fission products, numerous health hazards as well as environmental contamination worldwide have been created. The present study focused on demonstrating whether low concentration of U treatment in liquid nutient medium may translocate traces of U in plants and in fruits of Pisum sativum after 30 and 60 days of exposure for the safe use as a food supplement for human/animals. Hydroponically grown plants (in amended Hoagland medium) were treated with two different concentrations of uranium ([U] = 100 and 500 nM, respectively)...
September 6, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28874776/n-p-fertilization-stimulates-anaerobic-selenium-reduction-in-an-end-pit-lake
#20
Andreas Luek, David J Rowan, Joseph B Rasmussen
Selenium (Se), an essential micro nutrient, is toxic to aquatic life at slightly higher water concentrations. Watersheds receiving leachate from selenium rich sources require large-scale, long-term treatment to mitigate Se toxicity. We applied the principles of anaerobic bacterial bioreactors, previously successful in small scale Se mitigation, to a whole end-pit lake ecosystem. Fertilization of the lake with N and P increased primary production, creating a meromictic, anoxic layer, and enhanced the habitat for locally present, anaerobic, Se and sulfur reducing bacteria...
September 5, 2017: Scientific Reports
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