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https://www.readbyqxmd.com/read/28918078/assessment-of-environmental-impacts-and-operational-costs-of-the-implementation-of-an-innovative-source-separated-urine-treatment
#1
Elorri Igos, Mathilde Besson, Tomás Navarrete Gutiérrez, Ana Barbara Bisinella de Faria, Enrico Benetto, Ligia Barna, Aras Ahmadi, Mathieu Spérandio
Innovative treatment technologies and management methods are necessary to valorise the constituents of wastewater, in particular nutrients from urine (highly concentrated and can have significant impacts related to artificial fertilizer production). The FP7 project, ValuefromUrine, proposed a new two-step process (called VFU) based on struvite precipitation and microbial electrolysis cell (MEC) to recover ammonia, which is further transformed into ammonium sulphate. The environmental and economic impacts of its prospective implementation in the Netherlands were evaluated based on life cycle assessment (LCA) methodology and operational costs...
September 8, 2017: Water Research
https://www.readbyqxmd.com/read/28917974/cross-cultural-analysis-of-medicinal-plants-commonly-used-in-ethnoveterinary-practices-at-south-waziristan-agency-and-bajaur-agency-federally-administrated-tribal-areas-fata-pakistan
#2
Muhammad Abdul Aziz, Muhammad Adnan, Amir Hasan Khan, Muhammad Sufyan, Shahid Niaz Khan
ETHNOPHARMACOLOGICAL RELEVANCE: In remote areas, medicinal plants have an imperative role in curing various livestock's ailments. In Pakistan, people residing in remote areas including South Waziristan Agency and Bajaur Agency depend on traditional herbal remedies for treating their domestic animals. Medicinal plants are an important part of the medical system in these Agencies. The prime goal of the current study is to explore the ethnoveterinary practices in the two regions and discuss cross-cultural consensus on the use of medicinal plants...
September 13, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28917735/trace-analysis-of-nitrite-ions-in-environmental-samples-by-using-in-situ-synthesized-zein-biopolymeric-nanoparticles-as-the-novel-green-solid-phase-extractor
#3
Amir Hatamie, Mahmoud Nassiri, Meghdad Doust Alivand, Amit Bhatnagar
For the first time, a novel green method using Zein biopolymeric nanoparticles as a green dispersive solid-phase extractor is reported for the separation and preconcentration of trace amount of nitrite (NO2(-)) ions in ppb levels. The Zein protein is a biodegradable hydrophobic plant protein that is obtained from corn and is composed of a number of hydrophobic amino acids. Zein bionanoparticles were synthesized in an anti-solvent process and used as a new biosorbent in the extraction technique. In the proposed technique, by using a standard method at first, a mixture of 1-naphthylamine and sulphanilic acid as selective regents was added to the samples, and in the presence of the nitrite ion, a red azo product was formed...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28917310/screening-of-a-small-well-curated-natural-product-based-library-identifies-two-rotenoids-with-potent-nematocidal-activity-against-haemonchus-contortus
#4
H M P Dilrukshi Herath, Sarah Preston, Andreas Hofmann, Rohan A Davis, Anson V Koehler, Bill C H Chang, Abdul Jabbar, Robin B Gasser
The control of parasitic roundworms (nematodes) is heavily reliant on the use of a limited number of anthelmintic drugs. However, drug resistance is now very widespread and no vaccines are available, such that the discovery of new chemical entities is crucial. Within this context, we screened a library of pure natural products (n=400) against exsheathed third-stage (xL3) larvae of the parasitic nematode Haemonchus contortus using a whole-organism screening method. We identified two plant-derived rotenoids, deguelin and rotenone, with inhibitory activity on xL3 motility...
September 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28917299/exploitation-of-chemical-herbal-and-nanoformulated-acaricides-to-control-the-cattle-tick-rhipicephalus-boophilus-microplus-a-review
#5
REVIEW
Balan Banumathi, Baskaralingam Vaseeharan, Periyannan Rajasekar, Narayanan Marimuthu Prabhu, Palaniappan Ramasamy, Kadarkarai Murugan, Angelo Canale, Giovanni Benelli
The tick Rhipicephalus (Boophilus) microplus is a key vector of bacterial and protozoan diseases causing heavy economic losses directly and indirectly in animal husbandry. In the past decades, the control of ticks faced some major issues, such as the rapid development of resistance in targeted vectors and non-target effects on human health and the environment, due to the employ of synthetic acaricides and repellents. Eco-friendly pesticides for treating and controlling animal parasites such as ticks were mainly from medicinal plants and thus they form the richest entity for manufacturing resources for drugs...
September 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28917105/optimal-conditions-for-flexible-methane-production-in-a-demand-based-operation-of-biogas-plants
#6
W Laperrière, B Barry, M Torrijos, B Pechiné, N Bernet, J P Steyer
The aim of the presented work was to study the methane production limits and to determine optimal conditions for flexible operation of an anaerobic reactor in order to set up an operational strategy. Punctual overloads were conducted in a laboratory-scale anaerobic reactor with readily biodegradable solid substrates, and the influences of overload intensity, baseload value and substrate used were investigated. A maximal daily value around 1000mL/L of reactor for methane production has been assessed. This value did not evolve significantly during experiment time, and conditioned the persistence of overloads as well as the flexibility margin on the reactor, which ranged from +25% to +140% on daily production...
September 5, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28915819/bacteriophage-therapy-to-combat-bacterial-infections-in-poultry
#7
REVIEW
Andrzej Wernicki, Anna Nowaczek, Renata Urban-Chmiel
Infections in poultry are an economic and health problem in Europe and worldwide. The most common infections are associated with salmonellosis, colibacillosis, campylobacteriosis, and others. The prevalence of Campylobacter-positive poultry flocks in European countries varies from 18% to 90%. In the United States, the prevalence of infected flocks is nearly 90%. A similar percentage of infection has been noted for salmonellosis (about 75-90%) and E. coli (90-95%). The occurence of Clostridium perfringens is a major problem for the poultry industry, with some estimates suggesting colonization of as many as 95% of chickens, resulting in clinical or subclinical infections...
September 16, 2017: Virology Journal
https://www.readbyqxmd.com/read/28914203/phytomedicines-are-efficient-complementary-therapies-for-the-treatment-of-atopic-dermatitis-a-review-of-mechanistic-insight-and-recent-updates
#8
Mohamad Aidil Tumpang, Nor Amlizan Ramli, Zahid Hussain
BACKGROUND: Phytomedicines have been well-accepted alternative complementary therapies for the treatment of a wide range of acute and chronic skin inflammatory diseases including chronic herpes, prurigo, psoriasis, and atopic dermatitis (AD). Plethora of in vitro and in vivo studies have evidenced the therapeutic viability of phytomedicines, polyherbal formulations, plant-based materials and their decoctions for the treatment of mild-to-severe AD. OBJECTIVE: This review was aimed to summarize and critically discuss the convincing evidence for the therapeutic effectiveness of phytomedicines for the treatment of AD and explore their anti-AD efficacy...
September 13, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28913806/endogenous-reference-genes-and-their-quantitative-real-time-pcr-assays-for-genetically-modified-bread-wheat-triticum-aestivum-l-detection
#9
Litao Yang, Sheng Quan, Dabing Zhang
Endogenous reference genes (ERG) and their derivate analytical methods are standard requirements for analysis of genetically modified organisms (GMOs). Development and validation of suitable ERGs is the primary step for establishing assays that monitoring the genetically modified (GM) contents in food/feed samples. Herein, we give a review of the ERGs currently used for GM wheat analysis, such as ACC1, PKABA1, ALMT1, and Waxy-D1, as well as their performances in GM wheat analysis. Also, we discussed one model for developing and validating one ideal RG for one plant species based on our previous research work...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28913758/a-review-of-hydrogen-production-by-photosynthetic-organisms-using-whole-cell-and-cell-free-systems
#10
Baker A Martin, Paul D Frymier
Molecular hydrogen is a promising currency in the future energy economy due to the uncertain availability of finite fossil fuel resources and environmental effects from their combustion. It also has important uses in the production of fertilizers and platform chemicals as well as in upgrading conventional fuels. Conventional methods for producing molecular hydrogen from natural gas produce carbon dioxide and use a finite resource as feedstock. However, these issues can be overcome by using light energy from the Sun combined with microorganisms and their molecular machinery capable of photosynthesis...
September 14, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28913719/green-garden-snail-cantareus-apertus-as-biomonitor-and-sentinel-for-integrative-metal-pollution-assessment-in-roadside-soils
#11
Anwar Mleiki, Ionan Marigómez, Najoua Trigui El Menif
The present investigation was conceived to study, in a small scale field study, the potential of the green garden snail, Cantareus apertus, as biomonitor and sentinel for integrative metal pollution assessment in soils. For this purpose, we investigated the association between the trace metal (Cd, Pb, As, Fe, Cr, Cu, Ni, and Zn) concentrations in soil, plants (Trifolium repens), and C. apertus depending on the distance (20, 150, and 700 m) from a main roadside in Tunisia as well as between metal concentrations and biomarkers of oxidative stress, oxidative damage, and neurotoxicity in C...
September 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28913692/nanotechnology-and-water-purification-indian-know-how-and-challenges
#12
Madhulika Bhati, Radhika Rai
Water contamination being ubiquitous problem across the world. A significant strata of population worldwide are still struggling to get drinkable water. This demand to develop technologies to provide clean water at affordable price is unveiling the need of rigorous research in this area. There are several technologies available for removal of persistent as well as emerging pollutants from water. Nanotechnology-based technology are providing the promising solution because of its extraordinary characteristics like large surface area, low cost maintenance and reuse, etc...
September 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28913637/chemical-characterization-and-identification-of-pinaceae-pollen-by-infrared-microspectroscopy
#13
Boris Zimmermann
FTIR microspectroscopy, in combination with spectral averaging procedure, enables precise analysis of pollen grains for chemical characterization and identification studies of fresh and fossilised pollen in botany, ecology and palaeosciences. Infrared microspectroscopy (µFTIR) of Pinaceae pollen can provide valuable information on plant phenology, ecophysiology and paleoecology, but measurements are challenging, resulting in unreproducible spectra. The comparative analysis of µFTIR spectra belonging to morphologically different Pinaceae pollen, namely bisaccate Pinus and monosaccate Tsuga pollen, was conducted...
September 14, 2017: Planta
https://www.readbyqxmd.com/read/28912524/precise-insertion-and-guided-editing-of-higher-plant-genomes-using-cpf1-crispr-nucleases
#14
Matthew B Begemann, Benjamin N Gray, Emma January, Gina C Gordon, Yonghua He, Haijun Liu, Xingrong Wu, Thomas P Brutnell, Todd C Mockler, Mohammed Oufattole
Precise genome editing of plants has the potential to reshape global agriculture through the targeted engineering of endogenous pathways or the introduction of new traits. To develop a CRISPR nuclease-based platform that would enable higher efficiencies of precise gene insertion or replacement, we screened the Cpf1 nucleases from Francisella novicida and Lachnospiraceae bacterium ND2006 for their capability to induce targeted gene insertion via homology directed repair. Both nucleases, in the presence of a guide RNA and repairing DNA template flanked by homology DNA fragments to the target site, were demonstrated to generate precise gene insertions as well as indel mutations at the target site in the rice genome...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28912270/the-periplasmic-transaminase-ptaa-of-pseudomonas-fluorescens-converts-the-glutamic-acid-residue-at-the-pyoverdine-fluorophore-to-%C3%AE-ketoglutaric-acid
#15
Michael T Ringel, Gerald Draeger, Thomas Brueser
The periplasmic conversion of ferribactin to pyoverdine is essential for siderophore biogenesis in fluorescent pseudomonads, such as pathogenic Pseudomonas aeruginosa or plant growth promoting P. fluorescens The non-ribosomal peptide ferribactin undergoes cyclizations and oxidations that result in the fluorophore, and a strictly conserved fluorophore-bound glutamic acid residue is converted to a range of variants, including succinamide, succinic acid, and α-ketoglutaric acid residues. We recently discovered that the pyridoxal phosphate (PLP)-containing enzyme PvdN is responsible for the generation of the succinamide, which can be hydrolyzed to succinic acid...
September 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28911545/chemistry-and-health-effects-of-furanocoumarins-in-grapefruit
#16
REVIEW
Wei-Lun Hung, Joon Hyuk Suh, Yu Wang
Furanocoumarins are a specific group of secondary metabolites that commonly present in higher plants, such as citrus plants. The major furanocoumarins found in grapefruits (Citrus paradisi) include bergamottin, epoxybergamottin, and 6',7'-dihydroxybergamottin. During biosynthesis of these furanocoumarins, coumarins undergo biochemical modifications corresponding to a prenylation reaction catalyzed by the cytochrome P450 enzymes with the subsequent formation of furan rings. Because of undesirable interactions with several medications, many studies have developed methods for grapefruit furanocoumarin quantification that include high-performance liquid chromatography coupled with UV detector or mass spectrometry...
January 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28910391/different-rates-of-spontaneous-mutation-of-chloroplastic-and-nuclear-viroids-as-determined-by-high-fidelity-ultra-deep-sequencing
#17
Amparo López-Carrasco, Cristina Ballesteros, Vicente Sentandreu, Sonia Delgado, Selma Gago-Zachert, Ricardo Flores, Rafael Sanjuán
Mutation rates vary by orders of magnitude across biological systems, being higher for simpler genomes. The simplest known genomes correspond to viroids, subviral plant replicons constituted by circular non-coding RNAs of few hundred bases. Previous work has revealed an extremely high mutation rate for chrysanthemum chlorotic mottle viroid, a chloroplast-replicating viroid. However, whether this is a general feature of viroids remains unclear. Here, we have used high-fidelity ultra-deep sequencing to determine the mutation rate in a common host (eggplant) of two viroids, each representative of one family: the chloroplastic eggplant latent viroid (ELVd, Avsunviroidae) and the nuclear potato spindle tuber viroid (PSTVd, Pospiviroidae)...
September 14, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28906059/benefits-and-limitations-of-dna-barcoding-and-metabarcoding-in-herbal-product-authentication
#18
REVIEW
Ancuta Cristina Raclariu, Michael Heinrich, Mihael Cristin Ichim, Hugo de Boer
INTRODUCTION: Herbal medicines play an important role globally in the health care sector and in industrialised countries they are often considered as an alternative to mono-substance medicines. Current quality and authentication assessment methods rely mainly on morphology and analytical phytochemistry-based methods detailed in pharmacopoeias. Herbal products however are often highly processed with numerous ingredients, and even if these analytical methods are accurate for quality control of specific lead or marker compounds, they are of limited suitability for the authentication of biological ingredients...
September 14, 2017: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/28904554/plants-derived-neuroprotective-agents-cutting-the-cycle-of-cell-death-through-multiple-mechanisms
#19
REVIEW
Taiwo Olayemi Elufioye, Tomayo Ireti Berida, Solomon Habtemariam
Neuroprotection is the preservation of the structure and function of neurons from insults arising from cellular injuries induced by a variety of agents or neurodegenerative diseases (NDs). The various NDs including Alzheimer's, Parkinson's, and Huntington's diseases as well as amyotropic lateral sclerosis affect millions of people around the world with the main risk factor being advancing age. Each of these diseases affects specific neurons and/or regions in the brain and involves characteristic pathological and molecular features...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28903489/from-the-cover-exposure-to-an-environmentally-relevant-mixture-of-brominated-flame-retardants-decreased-p-%C3%AE-cateninser675-expression-and-its-interaction-with-e-cadherin-in-the-mammary-glands-of-lactating-rats
#20
Elham Dianati, Michael G Wade, Barbara F Hales, Bernard Robaire, Isabelle Plante
Proper mammary gland development and function require precise hormonal regulation and bidirectional cross talk between cells provided by means of paracrine factors as well as intercellular junctions; exposure to environmental endocrine disruptors can disturb these processes. Exposure to one such family of chemicals, the brominated flame retardants (BFRs), is ubiquitous. Here, we tested the hypothesis that BFR exposures disrupt signaling pathways and intercellular junctions that control mammary gland development...
September 1, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
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