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https://www.readbyqxmd.com/read/27912988/sequential-electrodialytic-recovery-of-phosphorus-from-low-temperature-gasification-ashes-of-chemically-precipitated-sewage-sludge
#1
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
#2
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
#3
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 genetics 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
#4
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...
November 8, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27825490/phosphate-dissolving-fungi-mechanism-and-application-in-alleviation-of-salt-stress-in-wheat
#5
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-aluminium-complexes-in-aqueous-environments-exploration-via-dft-based-metadynamics-simulation
#6
Giorgio Lanzani, Ari P Seitsonen, Marcella Iannuzzi, Kari Laasonen, Simo Olavi Pehkonen
The chemistry of aluminium or oxo-aluminium in water is still relatively unknown, although it is the basis for many chemical and industrial processes, including floc- culation in water treatment plants. Trimeric species have a predominant role in the formation of the Keggin cations, which are the basic building block of aluminium- based chemicals. Despite this, the 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 is still an open issue...
October 21, 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
#7
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
#8
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
#9
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
#10
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
#11
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...
September 9, 2016: AoB Plants
https://www.readbyqxmd.com/read/27514256/-association-between-serum-aluminium-level-and-methylation-of-amyloid-precursor-protein-gene-in-workers-engaged-in-aluminium-electrolysis
#12
X J Yang, Y Z Yuan, Q Niu
OBJECTIVE: To investigate the association between serum aluminium level and methylation of the promoter region of amyloid precursor protein (APP)gene in workers engaged in aluminium electrolysis. METHODS: In 2012, 366 electrolysis workers in an aluminium factory were enrolled as exposure group (working years >10 and age >40 years)and divided into low-exposure group and high-exposure group based on the median serum aluminium level. Meanwhile, 102 workers in a cement plant not exposed to aluminium were enrolled as control group...
April 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/27474509/auxin-enhances-aluminium-induced-citrate-exudation-through-upregulation-of-gmmate-and-activation-of-the-plasma-membrane-h-atpase-in-soybean-roots
#13
Ping Wang, Wenqian Yu, Jiarong Zhang, Zed Rengel, Jin Xu, Qinqin Han, Limei Chen, Kunzhi Li, Yongxiong Yu, Qi Chen
BACKGROUND AND AIMS: Aluminium (Al) toxicity is a limiting factor for plant growth and crop production in acidic soils. Citrate exudation and activation of the plasma membrane H(+)-ATPase are involved in soybean responses to Al stress. Auxin has crucial functions in plant growth and stress responses. However, little is known about possible interactions between auxin and citrate exudation under Al stress. In this study, we elucidated the regulatory roles of IAA in Al-induced citrate exudation in soybean roots...
July 29, 2016: Annals of Botany
https://www.readbyqxmd.com/read/27436544/ellagic-and-ferulic-acids-alleviate-gamma-radiation-and-aluminium-chloride-induced-oxidative-damage
#14
Ahmed M Salem, Tarek F Mohammaden, Mohamed A M Ali, Enas A Mohamed, Hesham F Hassan
AIM: Ionizing radiation interacts with biological systems through the generation of free radicals, which induce oxidative stress. Aluminium (Al) can negatively impact human health by direct interaction with antioxidant enzymes. Ellagic acid (EA) and Ferulic acid (FA) are plant polyphenolic compounds, have gained attention due to their multiple biological activities. To date, no studies investigating the antioxidant effect of EA/FA in a model involving both γ radiation and aluminium chloride (AlCl3) have been reported...
September 1, 2016: Life Sciences
https://www.readbyqxmd.com/read/27435109/aluminium-induced-reduction-of-plant-growth-in-alfalfa-medicago-sativa-is-mediated-by-interrupting-auxin-transport-and-accumulation-in-roots
#15
Shengyin Wang, Xiaoyan Ren, Bingru Huang, Ge Wang, Peng Zhou, Yuan An
The objective of this study was to investigate Al(3+)-induced IAA transport, distribution, and the relation of these two processes to Al(3+)-inhibition of root growth in alfalfa. Alfalfa seedlings with or without apical buds were exposed to 0 or 100 μM AlCl3 and were foliar sprayed with water or 6 mg L(-1) IAA. Aluminium stress resulted in disordered arrangement of cells, deformed cell shapes, altered cell structure, and a shorter length of the meristematic zone in root tips. Aluminium stress significantly decreased the IAA concentration in apical buds and root tips...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27352448/antioxidant-and-antimicrobial-capacities-of-ethanolic-extract-of-pergularia-daemia-leaves-a-possible-substitute-in-diabetic-management
#16
Joseph Adusei Sarkodie, Sylvia Afriyie Squire, Emelia Oppong Bekoe, Charles Yaw Fosu Domozoro, Irene Awo Kretchy, Mariesta Kurukulasuriya Jayaroshini Ahiagbe, Samuel Frimpong-Manso, Nana Akua Oboba Kwakyi, Dominic Adotei Edoh, Maxwel Sakyiama, Vida Korkor Lamptey, Seigfried Affedzi-Obresi, John Lee Duncan, Philip Debrah, Benoit Banga N'guessa, Julius Isaac Asiedu-Gyekye, Alexander Kwadwo Nyarko
BACKGROUND: The leaves of Pergularia daemia Forsk (family Asclepidaceae) provide alternative plant-based treatments for the management of diabetes mellitus and diarrhoea in both humans and indigenous poultry species like the Guinea fowls (Numida meleagris). However, no scientific investigations to validate its usefulness in Ghana have been established. This study therefore sought to investigate the anti-hyperglycaemic activity of the 70 % ethanolic extract of P. daemia using streptozotocin (STZ)-induced diabetic male Sprague-Dawley rats...
September 1, 2016: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/27307203/investigating-the-effect-of-cadmium-and-aluminium-on-growth-and-stress-induced-responses-in-the-micropropagated-medicinal-plant-hypoxis-hemerocallidea
#17
A Okem, M Moyo, W A Stirk, J F Finnie, J Van Staden
Hypoxis hemerocallidea is a highly utilized medicinal plant in South Africa. Its cultivation has received considerable attention in order to meet the high demand. High levels of cadmium (Cd) and aluminum (Al) in H. hemerocallidea plants sold in traditional medicinal markets was previously reported. The present study used an in vitro propagation model to investigate the uptake of Cd and Al by H. hemerocallidea and their effect on plant growth, elemental uptake and some stress-induced responses such as pigment, malondialdehyde (MDA), proline content and ultrastructural changes...
September 2016: Plant Biology
https://www.readbyqxmd.com/read/27302129/kinetics-and-nature-of-aluminium-rhizotoxic-effects-a-review
#18
REVIEW
Peter M Kopittke, Neal W Menzies, Peng Wang, F Pax C Blamey
Acid soils with elevated levels of soluble aluminium (Al) comprise ~40% of the world's arable land, but there remains much uncertainty regarding the mechanisms by which Al is rhizotoxic. This review examines the kinetics of the toxic effects of Al on the root elongation rate (RER), its effects on root tissues, and its location at a subcellular level. Depending upon the concentration and plant species, soluble Al decreases the RER in a median time of 73min, but in as little as 5min in soybean. This is initially due to a decreased rate at which cells expand anisotropically in the elongation zone...
August 2016: Journal of Experimental Botany
https://www.readbyqxmd.com/read/27284052/the-varied-functions-of-aluminium-activated-malate-transporters-much-more-than-aluminium-resistance
#19
REVIEW
Antony J Palmer, Alison Baker, Stephen P Muench
The ALMT (aluminium-activated malate transporter) family comprises a functionally diverse but structurally similar group of ion channels. They are found ubiquitously in plant species, expressed throughout different tissues, and located in either the plasma membrane or tonoplast. The first family member identified was TaALMT1, discovered in wheat root tips, which was found to be involved in aluminium resistance by means of malate exudation into the soil. However, since this discovery other family members have been shown to have many other functions such as roles in stomatal opening, general anionic homoeostasis, and in economically valuable traits such as fruit flavour...
June 15, 2016: Biochemical Society Transactions
https://www.readbyqxmd.com/read/27255099/root-adaptations-to-soils-with-low-fertility-and-aluminium-toxicity
#20
Idupulapati M Rao, John W Miles, Stephen E Beebe, Walter J Horst
BACKGROUND: Plants depend on their root systems to acquire the water and nutrients necessary for their survival in nature, and for their yield and nutritional quality in agriculture. Root systems are complex and a variety of root phenes have been identified as contributors to adaptation to soils with low fertility and aluminium (Al) toxicity. Phenotypic characterization of root adaptations to infertile soils is enabling plant breeders to develop improved cultivars that not only yield more, but also contribute to yield stability and nutritional security in the face of climate variability...
June 1, 2016: Annals of Botany
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