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https://www.readbyqxmd.com/read/28738552/nutrients-removal-and-bacterial-community-structure-for-low-c-n-municipal-wastewater-using-a-modified-anaerobic-anoxic-oxic-ma2-o-process-in-north-china
#1
Shihua Zhang, Zhijia Huang, Shujian Lu, Jun Zheng, Xinxi Zhang
A modified anaerobic/anoxic/oxic (mA2/O) process based on utilizing the internal carbon source and adding polypropylene carriers was operated for 90d to investigate the nutrients removal performance and bacterial community. This system exhibited a stable and efficient performance, particularly, in removing the NH4(+)-N and total phosphorus. The results of high-throughput sequencing showed that the 13 dominant genera containing Pseudomonas, Comamonas, Arcobacter, Nitrobacteria, Nitrosospira, Nitrosomonas, Bacteroides, Flavobacterium, Rhizobium, Acinetobacter, Zoogloea, Rhodocyclus and Moraxella were shared by five zones, inferring that they were the essential players in treating low C/N (below 5...
July 12, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28733937/sequential-extraction-as-novel-approach-to-compare-12-medicinal-plants-from-kenya-regarding-their-potential-to-release-chromium-manganese-copper-and-zinc
#2
R Mogwasi, S Zor, D K Kariuki, M Z Getenga, V Nischwitz
This study is focusing on a novel approach to screen a large number of medicinal plants from Kenya regarding their contents and availability of selected metals potentially relevant for treatment of diabetes patients. For this purpose, total levels of zinc, chromium, manganese, and copper were determined by flame atomic absorption spectrometry and inductively coupled plasma mass spectrometry as well as BCR sequential extraction to fractionate the elemental species in anti-diabetic medicinal plants collected from five natural locations in two sub counties in Nyamira County, Kenya...
July 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28732403/ecosystem-service-trade-offs-and-their-influencing-factors-a-case-study-in-the-loess-plateau-of-china
#3
Qiang Feng, Wenwu Zhao, Bojie Fu, Jingyi Ding, Shuai Wang
Soil erosion control (SEC), carbon sequestration (CAS), and soil moisture (SMO) strongly interact in the semi-arid Loess Plateau. Since SMO has supportive effects on SEC and CAS, it can be considered as ecosystem service (ES), and there is an immediate need to coordinate the relationships among these ecosystem services (ESs) to promote the sustainability of vegetation recovery. In this study, we quantified the ESs, ES trade-offs, and the environmental factors in 151 sample plots in the Ansai watershed, and we used a redundancy analysis (RDA) to clarify the effects of environmental factors on these ESs and their trade-offs...
July 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28692631/increased-protein-requirements-in-female-athletes-after-variable-intensity-exercise
#4
Denise J Wooding, Jeff E Packer, Hiroyuki Kato, Daniel W D West, Glenda Courtney-Martin, Paul B Pencharz, Daniel R Moore
PURPOSE: Protein requirements are primarily studied in the context of resistance or endurance exercise with little research devoted to variable-intensity intermittent exercise characteristic of many team sports. Further, female populations are underrepresented in dietary sports science studies. We aimed to determine a dietary protein requirement in active females performing variable-intensity intermittent exercise using the indicator amino acid oxidation (IAAO) method. We hypothesized that these requirements would be greater than current IAAO-derived estimates in non-active adult males...
July 7, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28686536/dietary-protein-intake-above-the-current-rda-and-bone-health-a-systematic-review-and-meta-analysis
#5
Taylor C Wallace, Cara L Frankenfeld
Dietary intake of protein is fundamental for optimal acquisition and maintenance of bone across all life stages; however, it has been hypothesized that intakes above the current recommended dietary allowance (RDA) might be beneficial for bone health. We utilized the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines when preparing and reporting this systematic review and meta-analysis. A literature search strategy through April 11, 2017, was developed for the following 3 databases: PubMed, Ovid Medline, and Agricola...
July 7, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28683388/influence-of-biochar-on-heavy-metals-and-microbial-community-during-composting-of-river-sediment-with-agricultural-wastes
#6
Yaoning Chen, Yao Liu, Yuanping Li, Yanxin Wu, Yanrong Chen, Guangming Zeng, Jiachao Zhang, Hui Li
Studies were performed to evaluate influence of biochar addition on physico-chemical process, heavy metals transformation and bacterial community diversity during composting of sediment with agricultural wastes. Simultaneously, the relationships between those parameters including heavy metals and bacterial community compositions were evaluated by redundancy analysis (RDA). The results show that the extraction efficiency of DTPA extractable heavy metals decreased in both piles, and reduced more in pile with biochar addition about 0...
June 20, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28680316/electroencephalographic-patterns-recorded-by-continuous-eeg-monitoring-in-patients-with-change-of-consciousness-in-the-neurological-intensive-care-unit
#7
Ebru Altindağ, Zeynep Vildan Okudan, Sedef Tavukçu Özkan, Yakup Krespi, Betül Baykan
INTRODUCTION: Our aim was to examine the frequency of various electrographic patterns including periodic discharges (PD), repetitive spike waves (RSW), rhythmic delta activities (RDA), nonconvulsive seizures (NCS) and nonconvulsive status epilepticus (NCSE) in continuous EEG monitoring (cEEG) of the critically ill patients with change of consciousness and the presence of specific clinical and laboratory findings associated with these important patterns in this study. METHODS: Patients with changes of consciousness in the neurological intensive care unit (NICU) were consecutively monitored with cEEG during 2 years...
June 2017: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/28669142/polymorphism-in-the-intron-20-of-porcine-o-linked-n-acetylglucosamine-transferase
#8
Jong Gug Kim, Dan Nonneman, Doo-Wan Kim, Sangsu Shin, Gary A Rohrer
OBJECTIVE: O-linked N-acetylglucosamine (O-GlcNAc) transferase (OGT) catalyzes the addition of O-GlcNAc and GlcNAcylation has extensive crosstalk with phosphorylation to regulate signaling and transcription. Pig OGT is located near the region of chromosome X that affects follicle stimulating hormone level and testes size. The objective of this study was to find the variations of OGT between European and Chinese pigs. METHODS: Pigs were tested initially for polymorphism in OGT among European and Chinese pigs by polymerase chain reaction and sequencing at the U...
August 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28667513/assessment-of-the-bioaccessibility-of-trace-elements-in-cat-s-claw-teas-by-in-vitro-simulated-gastrointestinal-digestion-using-faas
#9
João B Pereira Junior, Robson C M Brito, Lana P B Pereira, Kelly G Fernandes Dantas
The aim of this study was to evaluate the bioaccessibility of Ca, Fe, Mg, Mn, and Zn in cat's claw plant teas through in vitro gastrointestinal digestion with gastric and intestinal juice solutions. The total concentrations and bioaccessible fractions of Ca, Fe, Mg, Mn, and Zn were measured by flame atomic absorption spectrometry (FAAS). The results obtained showed that Zn was the most bioaccessible element in the teas, contributing a mean of 57.9% by infusion and 62.5% by decoction. Among macroelements, the Ca was less bioaccessible with 17...
June 30, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28657699/randomized-controlled-trial-to-explore-the-effect-of-experimental-low-abrasivity-dentifrices-on-enamel-gloss-and-smoothness-and-the-build-up-of-extrinsic-tooth-stain
#10
Kimberly R Milleman, Jeffery L Milleman, Sarah Young, Charles Parkinson
OBJECTIVES: To evaluate and compare examiner-assessed changes in enamel gloss, extrinsic dental stain, and surface smoothness following one, two, four, and eight weeks of twice-daily use of an experimental low abrasivity desensitizing dentifrice (relative dentin abrasivity [RDA] ~40) containing 5% sodium tripolyphosphate (STP) chemical cleaning agent and 1% aluminum trioxide abrasive. This was compared with an ultra-low abrasivity dentifrice (5% STP only; RDA ~13), a moderate abrasivity fluoride dentifrice (RDA ~80), and a higher abrasivity marketed whitening dentifrice (RDA ~142)...
June 2017: Journal of Clinical Dentistry
https://www.readbyqxmd.com/read/28652142/a-randomised-exploratory-clinical-evaluation-of-dentifrices-used-as-controls-in-dentinal-hypersensitivity-studies
#11
John Gallob, Farzana Sufi, Pejmon Amini, Muhammad Siddiqi, Stephen Mason
OBJECTIVES: To explore relative efficacy of six negative control dentifrices utilised as controls in clinical studies compared to two dentine hypersensitivity (DH)-relief dentifrices used 2x/day for 8 weeks. METHODS: Six control dentifrices differing in terms of fluoride source (sodium fluoride/sodium monofluorophosphate), abrasive base (silica/dicalcium phosphate), abrasivity RDA (∼17 to ∼180) and colour (white/blue/blue/green stripes) were compared to a depolarising dentifrice (5% KNO3; RDA ∼70-97; 'Test 1') and an occlusion-technology dentifrice (0...
June 23, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28605402/sparse-redundancy-analysis-of-high-dimensional-genetic-and-genomic-data
#12
Attila Csala, Frans P J M Voorbraak, Aeilko H Zwinderman, Michel H Hof
Motivation: Recent technological developments have enabled the possibility of genetic and genomic integrated data analysis approaches, where multiple omics data sets from various biological levels are combined and used to describe (disease) phenotypic variations. The main goal is to explain and ultimately predict phenotypic variations by understanding their genetic basis and the interaction of the associated genetic factors. Therefore, understanding the underlying geneticmechanisms of phenotypic variations is an ever increasing research interest in biomedical sciences...
June 12, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28601663/temporal-patterns-of-phyto-and-bacterioplankton-and-their-relationships-with-environmental-factors-in-lake-taihu-china
#13
Xiaomei Su, Alan D Steinman, Qingju Xue, Yanyan Zhao, Xiangming Tang, Liqiang Xie
Phytoplankton and bacterioplankton are integral components of aquatic food webs and play essential roles in the structure and function of freshwater ecosystems. However, little is known about how phyto- and bacterioplankton may respond synchronously to changing environmental conditions. Thus, we analyzed simultaneously the composition and structure of phyto- and bacterioplankton on a monthly basis over 12 months in cyanobacteria-dominated areas of Lake Taihu and compared their responses to changes in environmental factors...
October 2017: Chemosphere
https://www.readbyqxmd.com/read/28601010/heavy-metal-fractions-and-ecological-risk-assessment-in-sediments-from-urban-rural-and-reclamation-affected-rivers-of-the-pearl-river-estuary-china
#14
Guangliang Zhang, Junhong Bai, Rong Xiao, Qingqing Zhao, Jia Jia, Baoshan Cui, Xinhui Liu
Rapid urbanization and reclamation processes in coastal areas have resulted in serious pollution to the aquatic environment. Less is known on the geochemical fractions and ecological risks in river sediment under various human activities pressures, which is essential for addressing the connections between heavy metal pollution and anthropogenic influences. River sediments were collected from different landscapes (i.e., urban, rural and reclamation areas) to investigate the impacts of urbanization and reclamation on the metallic pollution levels and ecological risks in the Pear River Estuary of China...
October 2017: Chemosphere
https://www.readbyqxmd.com/read/28596735/diet-composition-and-variability-of-wild-octopus-vulgaris-and-alloteuthis-media-cephalopoda-paralarvae-a-metagenomic-approach
#15
Lorena Olmos-Pérez, Álvaro Roura, Graham J Pierce, Stéphane Boyer, Ángel F González
The high mortality of cephalopod early stages is the main bottleneck to grow them from paralarvae to adults in culture conditions, probably because the inadequacy of the diet that results in malnutrition. Since visual analysis of digestive tract contents of paralarvae provides little evidence of diet composition, the use of molecular tools, particularly next generation sequencing (NGS) platforms, offers an alternative to understand prey preferences and nutrient requirements of wild paralarvae. In this work, we aimed to determine the diet of paralarvae of the loliginid squid Alloteuthis media and to enhance the knowledge of the diet of recently hatched Octopus vulgaris paralarvae collected in different areas and seasons in an upwelling area (NW Spain)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28582972/the-impact-of-do-and-salinity-on-microbial-community-in-poly-butylene-succinate-denitrification-reactors-for-recirculating-aquaculture-system-wastewater-treatment
#16
Ya-Le Deng, Yun-Jie Ruan, Song-Ming Zhu, Xi-Shan Guo, Zhi-Ying Han, Zhang-Ying Ye, Gang Liu, Ming-Ming Shi
The interactions between environmental factors and bacterial community shift in solid-phase denitrification are crucial for optimum operation of a reactor and to achieve maximum treatment efficiency. In this study, Illumina high-throughput sequencing was applied to reveal the effects of different operational conditions on bacterial community distribution of three continuous operated poly(butylene succinate) biological denitrification reactors used for recirculating aquaculture system (RAS) wastewater treatment...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28534725/vitamin-d-deficiency-and-sufficiency-among-canadian-children-residing-at-high-latitude-following-the-revision-of-the-rda-of-vitamin-d-intake-in-2010-corrigendum
#17
Lalani L Munasinghe, Yan Yuan, Noreen D Willows, Erin L Faught, John P Ekwaru, Paul J Veugelers
No abstract text is available yet for this article.
April 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28534027/current-concepts-and-unresolved-questions-in-dietary-protein-requirements-and-supplements-in-adults
#18
REVIEW
Stuart M Phillips
Protein needs for otherwise healthy individuals older than 19 years are defined by the recommended dietary allowance (RDA) at 0.80 g protein/kg/day. There is no recommendation in the current RDA for subpopulations of older adults or people in various pathological situations. Despite the lack of a separate recommendation, there exists a growing body of evidence that is strongly suggestive of an increased need and/or benefit for protein in older persons. That is, intakes beyond the RDA are, in older persons, associated with benefits...
2017: Frontiers in Nutrition
https://www.readbyqxmd.com/read/28531947/shifts-in-the-relative-abundance-of-bacteria-after-wine-lees-derived-biochar-intervention-in-multi-metal-contaminated-paddy-soil
#19
Min Xu, Hongxia Xia, Jun Wu, Gang Yang, Xiaohong Zhang, Hong Peng, Xiaoyu Yu, Li Li, Hong Xiao, Hui Qi
The impact of biochar application on soil ecological functions depends on the diversity of soil conditions and of the feedstocks from which biochar is obtained. Moreover, little information is available on the effect of biochar on dynamic changes in microorganisms with the development of rice plants in multi-metal-contaminated paddy soil amended with wine-lees-derived biochar. In this paper, biochar obtained from the pyrolysis of wine lees at 600°C was used to investigate the potential role of biochar in maintaining soil ecological functions, with consideration of the alteration of the microbial population over periods of rice growth...
December 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28483498/design-of-a-randomized-trial-to-determine-the-optimum-protein-intake-to-preserve-lean-body-mass-and-to-optimize-response-to-a-promyogenic-anabolic-agent-in-older-men-with-physical-functional-limitation
#20
Shalender Bhasin, Caroline M Apovian, Thomas G Travison, Karol Pencina, Grace Huang, Lynn L Moore, Wayne W Campbell, Andrew Howland, Ruo Chen, Martha R Singer, Mitali Shah, Richard Eder, Haley Schram, Richelle Bearup, Yusnie M Beleva, Ashley C McCarthy, Zhouying Li, Erin Woodbury, Jennifer McKinnon, Thomas W Storer, Shehzad Basaria
The dietary protein allowance for older men to maintain lean body mass and muscle strength and to accrue optimal anabolic responses to promyogenic stimuli is poorly characterized. The OPTIMEN trial was designed to assess in older men with moderate physical dysfunction and insufficient habitual protein intake (<recommended dietary allowance, RDA, 0.8g·kg(-1)·d(-1)) the efficacy of consuming diets containing 163% RDA (1.3g·kg(-1)·d(-1)) for protein, compared to RDA, to increase lean mass, muscle performance, and physical function...
July 2017: Contemporary Clinical Trials
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