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https://www.readbyqxmd.com/read/28302523/evaluation-of-performance-indicators-applied-to-a-material-recovery-facility-fed-by-mixed-packaging-waste
#1
Maria Laura Mastellone, Raffaele Cremiato, Lucio Zaccariello, Roberta Lotito
Most of the integrated systems for municipal solid waste management aim to increase the recycling of secondary materials by means of physical processes including sorting, shredding and reprocessing. Several restrictions prevent from reaching a very high material recycling efficiency: the variability of the composition of new-marketed materials used for packaging production and its shape and complexity are critical issues. The packaging goods are in fact made of different materials (aluminium, polymers, paper, etc...
March 14, 2017: Waste Management
https://www.readbyqxmd.com/read/28256021/signatures-of-local-adaptation-in-lowland-and-highland-teosintes-from-whole-genome-sequencing-of-pooled-samples
#2
M-A Fustier, J-T Brandenburg, S Boitard, J Lapeyronnie, L E Eguiarte, Y Vigouroux, D Manicacci, M I Tenaillon
Spatially varying selection triggers differential adaptation of local populations. Here we mined the determinants of local adaptation at the genome-wide scale in the two closest maize wild relatives, the teosintes Zea mays ssp parviglumis and ssp. mexicana. We sequenced 120 individuals from six populations: two lowland, two intermediate and two highland populations sampled along two altitudinal gradients. We detected 8,479,581 SNPs covered in the 6 populations with an average sequencing depth per-site-per-population ranging from 17x to 22x...
March 3, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28229922/mandevilla-longiflora-desf-pichon-improves-airway-inflammation-in-a-murine-model-of-allergic-asthma
#3
Danielle Ayr Tavares de Almeida, Suellen Iara Guirra Rosa, Thais Campos Dias da Cruz, Eduarda Pavan, Amílcar Sabino Damazo, Ilsamar Mendes Soares, Sérgio Donizeti Ascêncio, Antonio Macho, Domingos Tabajara de Oliveira Martins
ETHNOPHARMACOLOGICAL RELEVANCE: Mandevilla longiflora, popularly known as "velame" in central Brazil, is a subshrub and widely distributed in South America. Its xylopodium is used in the form of a decoction or infusion to treat inflammation and other ailments. AIM OF THE STUDY: This study aimed to evaluate the anti-inflammatory potential of M. longiflora in an in vivo model of ovalbumin-induced immediate hypersensitivity, identifying its effects on leukocyte infiltration, IgE and LTB4 levels, and Th2 cytokine production...
February 13, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28194315/screening-of-faba-bean-vicia-faba-l-accessions-to-acidity-and-aluminium-stresses
#4
Kiflemariam Y Belachew, Frederick L Stoddard
BACKGROUND: Faba bean is an important starch-based protein crop produced worldwide. Soil acidity and aluminium toxicity are major abiotic stresses affecting its production, so in regions where soil acidity is a problem, there is a gap between the potential and actual productivity of the crop. Hence, we set out to evaluate acidity and aluminium tolerance in a range of faba bean germplasm using solution culture and pot experiments. METHODS: A set of 30 accessions was collected from regions where acidity and aluminium are or are not problems...
2017: PeerJ
https://www.readbyqxmd.com/read/28167352/evaluation-of-amendments-to-reduce-arsenic-and-antimony-leaching-from-co-contaminated-soils
#5
Steven J Doherty, Matthew K Tighe, Susan C Wilson
Co-contamination of soils with arsenic (As) and antimony (Sb) presents unique challenges for risk management. In this study a sequence of leaching experiments evaluated zero valent iron powder, ferrihydrite, ferric chloride, aluminium and manganese oxides, and kaolinite for As and Sb immobilisation in co-contaminated soils. Iron based amendments were most effective for the reduction of As and Sb in leachate in a column leaching study. Over 48 h zero valent iron powder and ferrihydrite applied at 3% (w/w dry weight) were most efficient, decreasing total As and Sb leachate concentrations by more than 80%...
May 2017: Chemosphere
https://www.readbyqxmd.com/read/28155655/between-species-differences-in-gene-copy-number-are-enriched-among-functions-critical-for-adaptive-evolution-in-arabidopsis-halleri
#6
Vasantika Suryawanshi, Ina N Talke, Michael Weber, Roland Eils, Benedikt Brors, Stephan Clemens, Ute Krämer
BACKGROUND: Gene copy number divergence between species is a form of genetic polymorphism that contributes significantly to both genome size and phenotypic variation. In plants, copy number expansions of single genes were implicated in cultivar- or species-specific tolerance of high levels of soil boron, aluminium or calamine-type heavy metals, respectively. Arabidopsis halleri is a zinc- and cadmium-hyperaccumulating extremophile species capable of growing on heavy-metal contaminated, toxic soils...
December 22, 2016: BMC Genomics
https://www.readbyqxmd.com/read/28110142/characteristics-of-water-obtained-by-dewatering-cyanobacteria-containing-sludge-formed-during-drinking-water-treatment-including-c-n-disinfection-byproduct-formation
#7
Hangzhou Xu, Haiyan Pei, Yan Jin, Hongdi Xiao, Chunxia Ma, Jiongming Sun, Hongmin Li
This is the first study to systematically investigate the characteristics of the water obtained by dewatering cyanobacteria-containing sludge generated in the drinking water treatment plant, including formation of C- and N-disinfection by-products (DBPs). Results showed that this 'dewatering water' (DW) had different properties when the sludge was stored at different times. The content of dissolved organic matter (DOM) and microcystins (MCs) in the DW were low when the sludge was treated or disposed of within 4 days; correspondingly, the C-, N-DBP production was also low...
January 13, 2017: Water Research
https://www.readbyqxmd.com/read/28005214/aluminium-toxicity-to-plants-as-influenced-by-the-properties-of-the-root-growth-environment-affected-by-other-co-stressors-a-review
#8
REVIEW
Joanna Siecińska, Artur Nosalewicz
Aluminium toxicity to crops depends on the acidity of the soil and specific plant resistance. However, it is also strongly affected by other environmental factors that have to be considered to properly evaluate the resultant effects on plants. Observed weather perturbations and predicted climate changes will increase the probability of co-occurrence of aluminium toxicity and other abiotic stresses.In this review the mechanisms of plant-aluminium interactions are shown to be influenced by soil mineral nutrients, heavy metals, organic matter, oxidative stress and drought...
December 23, 2016: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/27974650/short-term-dynamics-of-evaporative-enrichment-of-xylem-water-in-woody-stems-implications-for-ecohydrology
#9
Paula Martín-Gómez, Luis Serrano, Juan Pedro Ferrio
In ecohydrology, it is generally assumed that xylem water reflects the water source used by plants. Several studies have reported isotopic enrichment within woody tissues, particularly during dormancy periods or after long periods of inactivity. However, little is known about the short-term dynamics of this process. Here we assessed the magnitude and dynamics of xylem isotopic enrichment in suberized twigs of pines and oaks. We performed a series of laboratory experiments, in which we monitored hourly changes in water content and isotopic composition under two contrasting scenarios of sap flow restriction...
December 14, 2016: Tree Physiology
https://www.readbyqxmd.com/read/27912988/sequential-electrodialytic-recovery-of-phosphorus-from-low-temperature-gasification-ashes-of-chemically-precipitated-sewage-sludge
#10
Raimon Parés Viader, Pernille Erland Jensen, Lisbeth M Ottosen, Jesper Ahrenfeldt, Henrik Hauggaard-Nielsen
Phosphorus recycling from secondary materials like sewage sludge ashes offers an alternative to mining of phosphates from primary resources and a mean to counteract the current phosphorous rock depletion concern. A separation of P from the bulk ash is normally required, due to its low plant availability and the presence of heavy metals. Previously, more than 80% of P was recovered from incineration sewage sludge ashes using a two-compartment electrodialytic cell. In contrast, the recovery was below 30% for ashes from low-temperature gasification using the same setup...
November 29, 2016: Waste Management
https://www.readbyqxmd.com/read/27893738/fenugreek-seed-powder-nullified-aluminium-chloride-induced-memory-loss-biochemical-changes-a%C3%AE-burden-and-apoptosis-via-regulating-akt-gsk3%C3%AE-signaling-pathway
#11
Asokan Prema, Arokiasamy Justin Thenmozhi, Thamilarasan Manivasagam, Musthafa Mohamed Essa, Mohammed D Akbar, Mohammed Akbar
Alzheimer's disease (AD) is the most common form of dementia that mainly affects the cognitive functions of the aged populations. Trigonella foenum-graecum (L.) (fenugreek), a traditionally well utilized medicinal plant ubiquitously used as one of the main food additive worldwide, is known to have numerous beneficial health effects. Fenugreek seed extract could be able to inhibit the activity of acetylcholinesterase (AChE), a key enzyme involved in the pathogenesis of AD, and further shown to have anti-parkinsonic effect...
2016: PloS One
https://www.readbyqxmd.com/read/27861992/transcriptomic-variation-among-six-arabidopsis-thaliana-accessions-identified-several-novel-genes-controlling-aluminium-tolerance
#12
Kazutaka Kusunoki, Yuki Nakano, Keisuke Tanaka, Yoichi Sakata, Hiroyuki Koyama, Yuriko Kobayashi
Differences in the expression levels of aluminium (Al) tolerance genes are a known determinant of Al tolerance among plant varieties. We combined transcriptomic analysis of six Arabidopsis thaliana accessions with contrasting Al tolerance and a reverse genetic approach to identify Al-tolerance genes responsible for differences in Al tolerance between accession groups. Gene expression variation increased in the signal transduction process under Al stress and in growth-related processes in the absence of stress...
November 9, 2016: Plant, Cell & Environment
https://www.readbyqxmd.com/read/27836340/short-term-low-severity-spring-grassland-fire-impacts-on-soil-extractable-elements-and-soil-ratios-in-lithuania
#13
Paulo Pereira, Artemi Cerda, Deborah Martin, Xavier Úbeda, Daniel Depellegrin, Agata Novara, Juan F Martínez-Murillo, Eric C Brevik, Oleksandr Menshov, Jesus Rodrigo Comino, Jessica Miesel
Spring grassland fires are common in boreal areas as a consequence of slash and burn agriculture used to remove dry grass to increase soil nutrient properties and crop production. However, few works have investigated fire impacts on these grassland ecosystems, especially in the immediate period after the fire. The objective of this work was to study the short-term impacts of a spring grassland fire in Lithuania. Four days after the fire we established a 400m(2) sampling grid within the burned area and in an adjacent unburned area with the same topographical, hydrological and pedological characteristics...
February 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27825490/phosphate-dissolving-fungi-mechanism-and-application-in-alleviation-of-salt-stress-in-wheat
#14
Sunita Gaind
The present investigation reveals the solubilization efficiency of tri-calcium phosphate (TCP), Udaipur rock phosphate (URP), aluminium phosphate (AP) and ferric phosphate (FP) by Aspergillus niger (ITCC 6719) and Trichoderma harzianum (ITCC 6721) as function of carbon concentrations. Increasing glucose concentration from 1 to 7% in the growth medium, though improved the phosphorus (P) solubilization significantly but each fungal strain preferred different optimum carbon concentrations for mediating solubilization of different P sources...
December 2016: Microbiological Research
https://www.readbyqxmd.com/read/27766881/isomerism-of-trimeric-aluminum-complexes-in-aqueous-environments-exploration-via-dft-based-metadynamics-simulation
#15
Giorgio Lanzani, Ari P Seitsonen, Marcella Iannuzzi, Kari Laasonen, Simo O Pehkonen
The chemistry of aluminum or oxo-aluminum in water is still relatively unknown, although it is the basis for many chemical and industrial processes, including flocculation in water treatment plants. Trimeric species have a predominant role in the formation of the Keggin cations, which are the basic building blocks of aluminum-based chemicals. Despite this, details of the structural evolution of these small solvated clusters and how this is related to the processes leading to the formation of larger aggregates are still an open issue...
November 17, 2016: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/27708478/soil-acidification-and-the-importance-of-liming-agricultural-soils-with-particular-reference-to-the-united-kingdom
#16
K W T Goulding
Soil acidification is caused by a number of factors including acidic precipitation and the deposition from the atmosphere of acidifying gases or particles, such as sulphur dioxide, ammonia and nitric acid. The most important causes of soil acidification on agricultural land, however, are the application of ammonium-based fertilizers and urea, elemental S fertilizer and the growth of legumes. Acidification causes the loss of base cations, an increase in aluminium saturation and a decline in crop yields; severe acidification can cause nonreversible clay mineral dissolution and a reduction in cation exchange capacity, accompanied by structural deterioration...
September 2016: Soil Use and Management
https://www.readbyqxmd.com/read/27695259/evaluation-of-antiulcer-and-antioxidant-activity-of-barleria-gibsonidalz-leaves
#17
Firoj A Tamboli, Harinath N More
BACKGROUND: Peptic ulcer is a digestive disorder most commonly found in clinical practice. Given the many side effects of modern medicine, the initial acquisition of fewer side effects, and medication of indigenous drugs, it should be considered as a better alternative for the treatment of peptic ulcer. OBJECTIVE: To assess antiulcer and antioxidant activity of ethanol extract of Barleria gibsoni (EBG) Dalz. leaves in ulcer-induced rats and in vitro antioxidants method, respectively...
October 2016: Pharmacognosy Research
https://www.readbyqxmd.com/read/27642262/improved-extraction-of-fluoroquinolones-with-recyclable-ionic-liquid-based-aqueous-biphasic-systems
#18
Hugo F D Almeida, Mara G Freire, Isabel M Marrucho
In the past few years, the improvement of advanced analytical tools allowed to confirm the presence of trace amounts of metabolized and unchanged active pharmaceutical ingredients (APIs) in wastewater treatment plants (WWTPs) as well as in freshwater surfaces. It is known that the continuous contact with APIs, even at very low concentrations (ng L(-1)-μg L(-1)), leads to serious human health problems. In this context, this work shows the feasibility of using ionic-liquid-based aqueous biphasic systems (IL-based ABS) in the extraction of quinolones present in aqueous media...
May 7, 2016: Green Chemistry: An International Journal and Green Chemistry Resource: GC
https://www.readbyqxmd.com/read/27614646/organic-materials-retain-high-proportion-of-protons-iron-and-aluminium-from-acid-sulphate-soil-drainage-water-with-little-subsequent-release
#19
Tan Dang, Luke M Mosley, Rob Fitzpatrick, Petra Marschner
When previously oxidised acid sulphate soils are leached, they can release large amounts of protons and metals, which threaten the surrounding environment. To minimise the impact of the acidic leachate, protons and metals have to be retained before the drainage water reaches surrounding waterways. One possible amelioration strategy is to pass drainage water through permeable reactive barriers. The suitability of organic materials for such barriers was tested. Eight organic materials including two plant residues, compost and five biochars differing in feedstock and production temperature were finely ground and filled into PVC cores at 3...
December 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27613876/the-effects-of-aluminium-on-plant-growth-in-a-temperate-and-deciduous-aluminium-accumulating-species
#20
Marco Schmitt, Toshihiro Watanabe, Steven Jansen
Aluminium (Al) is a phytotoxic element affecting the growth and yield of many crop plants, especially in the tropics. Yet, some plants are able to accumulate high levels of Al. The monogeneric family Symplocaceae represents an Al accumulating family including many tropical and evergreen species with high Al levels in their above ground plant tissues. It is unclear, however, whether Al accumulation also characterises temperate species of Symplocos, and whether or not the uptake has a beneficial growth effect...
2016: AoB Plants
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