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https://www.readbyqxmd.com/read/29223091/comparative-analysis-of-vermicompost-quality-produced-from-rice-straw-and-paper-waste-employing-earthworm-eisenia-fetida-sav
#1
Kavita Sharma, V K Garg
Present study was undertaken to investigate the vermicomposting of two different organic wastes (rice straw and paper waste) employing, Eisenia fetida. Nine feedstocks were prepared with different ratios of wastes using cow dung as bulking substrate. After pre-composting, worms were allowed to feed on different feedstocks for 105 days under laboratory conditions. The results showed that NPK content was higher in the vermicompost. Heavy metal content was also higher in the vermicomposts. Whereas total organic carbon and C:N ratio were lower after vermicomposting, by 17...
December 2, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29223074/bioaccumulation-and-trophic-transfer-of-cyclic-volatile-methylsiloxanes-cvms-in-the-aquatic-marine-food-webs-of-the-oslofjord-norway
#2
David E Powell, Merete Schøyen, Sigurd Øxnevad, Reinhard Gerhards, Thomas Böhmer, Martin Koerner, Jeremy Durham, Darren W Huff
The trophic transfer of cyclic methylsiloxanes (cVMS) in aquatic ecosystems is an important criterion for assessing bioaccumulation and ecological risk. Bioaccumulation and trophic transfer of cVMS, specifically octamethylcyclotetrasiloxane (D4), decamethylcyclopentasiloxane (D5), and dodecamethylcyclohexasiloxane (D6), were evaluated for the marine food webs of the Inner and Outer Oslofjord, Norway. The sampled food webs included zooplankton, benthic macroinvertebrates, shellfish, and finfish species. Zooplankton, benthic macroinvertebrates, and shellfish occupied the lowest trophic levels (TL ≈2 to 3); northern shrimp (Pandalus borealis) and Atlantic herring (Clupea harengus) occupied the middle trophic levels (TL ≈3 to 4), and Atlantic cod (Gadus morhua) occupied the highest tropic level (TL>4...
December 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29222890/home-enteral-nutrition-after-minimally-invasive-esophagectomy-can-improve-quality-of-life-and-reduce-the-risk-of-malnutrition
#3
Zixiang Wu, Ming Wu, Qi Wang, Tianwei Zhan, Lian Wang, Saibo Pan, Gang Chen
BACKGROUND AND OBJECTIVES: The potential benefits of home enteral nutrition (HEN) and the effects of HEN on quality of life (QOL) after esophagectomy remain unclear. The aim was to investigate the effect of 3 months HEN on health related QOL and nutritional status of esophageal cancer patients who were preoperatively malnourished. METHODS AND STUDY DESIGN: 142 malnourished (PG-SGA stage B or C) patients with esophageal cancer were assigned to receive Ivor Lewis minimally invasive esophagectomy (MIE group) with laparoscopic jejunal feeding tube placement or open esophagectomy (OE group) with nasojejunal feeding tube placement...
2018: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29222827/responding-to-parental-requests-for-life-sustaining-treatment%C3%A2-relational-potential-revisited
#4
Aaron Wightman, Jennifer Cobelli Kett, Benjamin Wilfond
One of the most challenging situations for pediatric clinicians is responding to parental requests for life-sustaining medical therapies for a child with profound neurodevelopmental disabilities. These therapies (e.g. intravenous medications and fluids, gastrostomy tube feeds, dialysis, tracheostomy, and/or mechanical ventilation) offer the possibility for the child to live, at home or in a facility, for months or years as opposed to experiencing their imminent death. While relatively rare, the tension surrounding these requests can be exceptionally high, as illustrated by the cases of Baby K, Baby Joseph, Jahi McMath, Charlie Gard, and many others from our own experience...
December 8, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/29222603/adequacy-of-planctomycetes-as-supplementary-food-source-for-daphnia-magna
#5
M C Marinho, O M Lage, José Catita, S C Antunes
The nutritional quality of daphnids diet can influence their growth, reproduction and survival. In aquatic ecosystems, bacteria can contribute significantly to Daphnia diet by supporting, for instances, their high needs for phosphorus. The laboratory feeding of the model organisms Daphnia spp. is algal based, but should be improved to allow their better performance. The aim of this study was to evaluate the potential of two planctomycetes, Gemmata obscuriglobus and Rhodopirellula rubra, from exponential and stationary growth phases as alternative or supplementary food source for Daphnia magna...
December 8, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29222490/ran-translation-at-c9orf72-associated-repeat-expansions-is-selectively-enhanced-by-the-integrated-stress-response
#6
Katelyn M Green, M Rebecca Glineburg, Michael G Kearse, Brittany N Flores, Alexander E Linsalata, Stephen J Fedak, Aaron C Goldstrohm, Sami J Barmada, Peter K Todd
Repeat-associated non-AUG (RAN) translation allows for unconventional initiation at disease-causing repeat expansions. As RAN translation contributes to pathogenesis in multiple neurodegenerative disorders, determining its mechanistic underpinnings may inform therapeutic development. Here we analyze RAN translation at G4C2 repeat expansions that cause C9orf72-associated amyotrophic lateral sclerosis and frontotemporal dementia (C9RAN) and at CGG repeats that cause fragile X-associated tremor/ataxia syndrome...
December 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/29222444/diazotroph-diversity-and-nitrogen-fixation-in-the-coral-stylophora-pistillata-from-the-great-barrier-reef
#7
Michael P Lesser, Kathleen M Morrow, Sabrina M Pankey, Sam H C Noonan
Diazotrophs, both Bacteria and Archaea, capable of fixing nitrogen (N2), are present in the tissues and mucous, of corals and can supplement the coral holobiont nitrogen budget with fixed nitrogen (N) in the form of ammonia (NH3). Stylophora pistillata from Heron Island on the Great Barrier Reef collected at 5 and 15 m, and experimentally manipulated in the laboratory, showed that the rates of net photosynthesis, steady state quantum yields of photosystem II (PSII) fluorescence (∆F v/F m') and calcification varied based on irradiance as expected...
December 8, 2017: ISME Journal
https://www.readbyqxmd.com/read/29222328/fructose-and-glucose-regulate-mammalian-target-of-rapamycin-complex-1-and-can-activate-lipogenic-gene-expression-via-distinct-pathways
#8
Yue Hu, Ivana Semova, Xiaowei Sun, Hong Kang, Satyapal Chahar, Anthony N Hollenberg, David Masson, Matthew D Hirschey, Ji Miao, Sudha B Biddinger
Though calorically equivalent to glucose, fructose appears to be more lipogenic, leading to dyslipidemia, fatty liver disease, cardiovascular disease, and diabetes. To better understand how fructose induces lipogenesis, we compared the effects of fructose and glucose on the mTORC1 signaling node, a central regulator of lipogenesis. We found that fructose acutely and transiently suppressed mTORC1 signaling in vitro and in vivo. The constitutive activation of mTORC1 reduced hepatic lipogenic gene expression and produced hypotriglyceridemia after one week of fructose feeding...
December 8, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29222098/longitudinal-study-of-the-occurrence-persistence-and-contamination-routes-of-listeria-monocytogenes-genotypes-on-three-finnish-dairy-cattle-farms
#9
Hanna Castro, Anniina Jaakkonen, Marjaana Hakkinen, Hannu Korkeala, Miia Lindström
The molecular epidemiology of Listeria monocytogenes was investigated in a longitudinal study of three Finnish dairy farms during 2013 -- 2016. Totals of 186 bulk tank milk (BTM) samples, 224 milk filter socks (MFS), and 1702 samples of the barn environment were analyzed and isolates of L. monocytogenes were genotyped using pulsed-field gel electrophoresis. L. monocytogenes occurred throughout the year in all sample types, and the prevalence in MFS increased significantly during the indoor season. L. monocytogenes was more prevalent in MFS (29%) than in BTM samples (13%)...
December 8, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29221991/on-the-production-of-chitosan-coated-pcl-nanoparticles-in-a-confined-impinging-jets-reactor
#10
Tereza Zelenková, Maria Julia Mora, Antonello A Barresi, Gladys Ester Granero, Davide Fissore
This work is focused on the synthesis of polycaprolactone nanoparticles, coated with chitosan, in a confined impinging jets reactor using the solvent displacement method. The role of the various reacting species was investigated, evidencing that a biocompatible polymer, e.g. polycaprolactone, is required to support chitosan to obtain a mono-modal particle size distribution, with low particle diameters. A surfactant is required to reduce nanoparticles size (down to a mean diameter of about 260 nm) and obtain a positive Zeta potential (about +31 mV), perfectly suitable for pharmaceutical applications...
December 5, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29221894/efficacy-of-an-inactivated-mycoplasma-hyorhinis-vaccine-in-pigs
#11
Brian Martinson, Whitney Zoghby, Kenneth Barrett, Lawrence Bryson, Rodney Christmas, F C Minion, Jeremy Kroll
Lameness and polyserositis in pigs caused by Mycoplasma hyorhinis are generally treated with antibiotics and may require multiple doses. The costs of these antibiotics combined with economic losses from culling and reduced feed conversion due to lameness are hardships to the swine producer. In this study we have demonstrated efficacy of an inactivated M. hyorhinis vaccine administered to three-week old caesarian-derived colostrum-deprived piglets. Three doses of vaccine (high, medium, and low) were evaluated and compared to a placebo control...
December 5, 2017: Vaccine
https://www.readbyqxmd.com/read/29221794/glp-1-action-in-the-mouse-bed-nucleus-of-the-stria-terminalis
#12
Diana L Williams, Nicole A Lilly, Ian J Edwards, Pallas Yao, James E Richards, Stefan Trapp
Glucagon-like peptide-1 (GLP-1) injected into the brain reduces food intake. Similarly, activation of preproglucagon (PPG) cells in the hindbrain which synthesize GLP-1, reduces food intake. However, it is far from clear whether this happens because of satiety, nausea, reduced reward, or even stress. Here we explore the role of the bed nucleus of the stria terminalis (BNST), an area involved in feeding control as well as stress responses, in GLP-1 responses. Using cre-expressing mice we visualized projections of NTS PPG neurons and GLP-1R-expressing BNST cells with AAV-driven Channelrhodopsin-YFP expression...
December 5, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29221761/enrichment-of-pha-producing-bacteria-under-continuous-substrate-supply
#13
Leonie Marang, Mark C M van Loosdrecht, Robbert Kleerebezem
To enrich polyhydroxyalkanoate (PHA) producing microbial communities, generally, a feast-famine regime is applied. Here we investigated the impact of continuous substrate feeding on the enrichment of PHA-producing bacteria in two sequencing batch reactors (SBRs). In the first reactor, the substrate (acetate) was dosed continuously and Zoogloea sp. was enriched. The culture accumulated PHA upon exposure to excess carbon, but the PHA production rate and storage capacity (53wt.%) were one-fifth of that observed for enrichment cultures in a standard, pulse-fed SBR dominated by the PHA producer Plasticicumulans acidivorans...
December 5, 2017: New Biotechnology
https://www.readbyqxmd.com/read/29221682/effects-of-fructose-consumption-on-food-intake-and-biochemical-and-body-parameters-in-wistar-rats
#14
Viviane Wagner Ramos, Leandro Oliveira Batista, Kelse Tibau Albuquerque
INTRODUTION AND OBJECTIVE: Increased fructose consumption is associated with various metabolic changes that favor the onset of obesity and related comorbidities. The objective of this study was to assess the effects of chronic fructose consumption on body weight and adipose tissue, as well as on serum glucose and triglyceride levels. METHODS: Thirty-day-old Wistar rats were divided into two groups: fructose (F) and control (C), which had free access to commercial chow and either water or a 20% fructose solution...
December 5, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29221166/high-salt-induced-hypertension-leads-to-cognitive-defect
#15
Cui-Ping Guo, Zhen Wei, Fang Huang, Min Qin, Xing Li, Yu-Man Wang, Qun Wang, Jian-Zhi Wang, Rong Liu, Bin Zhang, Hong-Lian Li, Xiao-Chuan Wang
Although increasing evidences suggest a relationship between hypertension and brain function for years, it is still unclear whether hypertension constitutes a risk factor for cognitive decline and its underlying mechanism. In the present study, an experimental animal model of hypertension simply by feeding rats with high salt diet was employed. We found that long-term high salt intake caused a marked increase of systolic blood pressure linked to a declined regional cerebral blood flow. Fear conditioning and morris water maze behavioral test revealed that high salt diet induced hippocampal dependent spatial reference memory deficits, while a decreased synaptogenesis without neuronal loss in hippocampus was observed in high salt treated rats...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221044/side-lobe-level-reduction-in-bio-inspired-optical-phased-array-antennas
#16
Julián L Pita, Ivan Aldaya, Octávio J S Santana, Luís E E de Araujo, Paulo Dainese, Lucas H Gabrielli
Phased arrays are expected to play a critical role in visible and infrared wireless systems. Their improved performance compared to single element antennas finds uses in communications, imaging, and sensing. However, fabrication of photonic antennas and their feeding network require long element separation, leading to the appearance of secondary radiation lobes and, consequently, crosstalk and interference. In this work, we experimentally show that by arranging the elements according to the Fermat's spiral, the side lobe level (SLL) can be reduced...
November 27, 2017: Optics Express
https://www.readbyqxmd.com/read/29221035/integrated-radiation-and-scattering-performance-of-a-multifunctional-artificial-electromagnetic-surface
#17
Yuejun Zheng, Xiangyu Cao, Jun Gao, Huanhuan Yang, Yulong Zhou, Tao Liu
In this paper, a multifunctional artificial electromagnetic surface (AEMS) with integrated radiation and scattering performance is proposed and realized. Different from previous AEMS designs that mainly focus on scattering performance, this AEMS design takes both radiation and scattering properties into consideration in the designing process. Inspired by the design concept of antenna, a feeding structure is added to each AEMS element to achieve radiation performance. Meanwhile, the concerned characteristics of AEMS elements are almost maintained...
November 27, 2017: Optics Express
https://www.readbyqxmd.com/read/29220874/evolution-of-larval-competitiveness-and-associated-life-history-traits-in-response-to-host-shifts-in-a-seed-beetle
#18
Charles W Fox, Frank J Messina
Resource competition is frequently strong among parasites that feed within small discrete resource patches, such as seeds or fruits. The properties of a host can influence the behavioral, morphological, and life history traits of associated parasites, including traits that mediate competition within the host. For seed parasites, host size may be an especially important determinant of competitive ability. Using the seed beetle, Callosobruchus maculatus, we performed replicated, reciprocal host shifts to examine the role of seed size in determining larval competitiveness and associated traits...
December 8, 2017: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/29220805/processing-of-wet-kinnow-mandarin-citrus-reticulata-fruit-waste-into-novel-br%C3%A3-nsted-acidic-ionic-liquids-and-their-application-in-hydrolysis-of-sucrose
#19
Pratibha Dwivedi, Mangat Singh, Naina Sehra, Nishant Pandey, Rajender S Sangwan, Bhuwan B Mishra
In citrus processing industries, where up to 60% of the whole fruit is discarded, generates citrus waste (peel, seeds, membrane, and pulp) on a massive scale. The waste does not currently have high-value applications, instead the majority is disposed of or pelletized for animal feed. Therefore, a concise and efficacious protocol for processing of Kinnow mandarin (Citrus reticulata) fruit waste to numerous novel Brønsted acidic ionic liquids (3a-k) have been developed. BAILs were characterized using spectroscopic techniques (FT-IR and NMR)...
December 2, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29220569/crocadepsins-depsipeptides-from-the-myxobacterium-chondromyces-crocatus-found-by-a-genome-mining-approach
#20
Frank Surup, Konrad Viehrig, Shwan Rachid, Alberto Plaza, Christine K Maurer, Rolf W Hartmann, Rolf Müller
Analysis of the genome sequence of the myxobacterium Chondromyces crocatus Cm c5 revealed the presence of numerous cryptic megasynthetase gene clusters, one of which we here assign to two previously unknown chlorinated metabolites by a comparative gene inactivation and secondary metabolomics approach. Structure elucidation of these compounds revealed a unique cyclic depsipeptide skeleton featuring β- and δ-amide bonds of aspartic acid and 3-methyl ornithine moieties, respectively. Insights into their biosynthesis were obtained by targeted gene inactivation and feeding experiments employing isotope-labeled precursors...
December 8, 2017: ACS Chemical Biology
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