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https://www.readbyqxmd.com/read/28938032/efficacy-of-sealing-agents-on-preload-maintenance-of-screw-retained-implant-supported-prostheses
#1
Camila Berbel Seloto, Henrico Badaoui Strazzi Sahyon, Paulo Henrique Dos Santos, Juliana Aparecida Delben, Wirley Gonçalves Assunção
PURPOSE: The aim of this study was to evaluate the effect of sealing agents on preload maintenance of screw joints. MATERIALS AND METHODS: A total of four groups (n = 10 in each group) of abutment/implant systems, including external hexagon implants and antirotational UCLA abutments with a metallic collar in cobalt-chromium alloy, were assessed. In the control group (CG), no sealing agent was used at the abutment screw/implant interface. In the other groups, three different sealing agents were used at the abutment screw/implant interface: anaerobic sealing agent for medium torque (ASMT), anaerobic sealing agent for high torque (ASHT), and cyanoacrylate-based bonding agent (CYAB)...
September 22, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28937988/differential-effects-of-rice-bran-cultivars-to-limit-salmonella-typhimurium-in-chicken-cecal-in-vitro-incubations-and-impact-on-the-cecal-microbiome-and-metabolome
#2
Peter M Rubinelli, Sun Ae Kim, Si Hong Park, Stephanie M Roto, Nora Jean Nealon, Elizabeth P Ryan, Steven C Ricke
In this study, rice brans from different cultivars (Calrose, Jasmine, and Red Wells) were assessed for their ability to inhibit Salmonella enterica serovar Typhimurium using an in vitro mixed anaerobic culture system containing cecal microbiota obtained from broilers of different ages. Salmonella Typhimurium was added to controls (feed only, cecal only, and feed + cecal material) and treatments (feed + cecal + different rice brans) and S. Typhimurium populations were enumerated at 0, 24, and 48 h. Two experimental conditions were applied 1) unadapted condition in which S...
2017: PloS One
https://www.readbyqxmd.com/read/28936623/acute-renal-metabolic-effect-of-metformin-assessed-with-hyperpolarised-mri-in-rats
#3
Haiyun Qi, Per M Nielsen, Marie Schroeder, Lotte B Bertelsen, Fredrik Palm, Christoffer Laustsen
AIMS/HYPOTHESIS: Metformin inhibits hepatic mitochondrial glycerol phosphate dehydrogenase, thereby increasing cytosolic lactate and suppressing gluconeogenesis flux in the liver. This inhibition alters cytosolic and mitochondrial reduction-oxidation (redox) potential, which has been reported to protect organ function in several disease states including diabetes. In this study, we investigated the acute metabolic and functional changes induced by metformin in the kidneys of both healthy and insulinopenic Wistar rats used as a model of diabetes...
September 21, 2017: Diabetologia
https://www.readbyqxmd.com/read/28935875/differential-gene-expression-and-snp-association-between-fast-and-slow-growing-turbot-scophthalmus-maximus
#4
Diego Robledo, Juan A Rubiolo, Santiago Cabaleiro, Paulino Martínez, Carmen Bouza
Growth is among the most important traits for animal breeding. Understanding the mechanisms underlying growth differences between individuals can contribute to improving growth rates through more efficient breeding schemes. Here, we report a transcriptomic study in muscle and brain of fast- and slow-growing turbot (Scophthalmus maximus), a relevant flatfish in European and Asian aquaculture. Gene expression and allelic association between the two groups were explored. Up-regulation of the anaerobic glycolytic pathway in the muscle of fast-growing fish was observed, indicating a higher metabolic rate of white muscle...
September 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28935741/insights-into-the-genome-of-the-anaerobic-acetogen-sporomusa-silvacetica-dsm-10669
#5
Jonathan R Humphreys, Rolf Daniel, Anja Poehlein
Sporomusa silvacetica is a spore-forming, anaerobic acetogen isolated from soil derived from east central Germany. The genome contains genes of the Wood-Ljungdahl pathway required for carbon fixation and genes involved in the biosynthesis of the amino acid pyrrolysine. The genome (5.92 Mb) harbors 4,355 predicted protein-encoding genes.
September 21, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28935740/genome-sequence-of-the-homoacetogenic-gram-negative-endospore-forming-bacterium-sporomusa-acidovorans-dsm-3132
#6
Jonathan R Humphreys, Rolf Daniel, Anja Poehlein
Sporomusa acidovorans DSM 3132 is a strictly anaerobic, spore-forming and acetogenic bacterium, which was isolated from effluent of an alcohol distillation fermenter. The genome harbors genes involved in the Wood-Ljungdahl pathway for carbon fixation and several genes for glycerol metabolism. The genome (6.06 Mb) contains 4,506 predicted protein-encoding genes.
September 21, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28935536/the-effect-of-iron-on-metronidazole-activity-against-trichomonas-vaginalis-in-vitro
#7
Hala Salah Elwakil, Rania Ayman Tawfik, Yosra Hussein Alam-Eldin, Doaa Ashraf Nassar
Metronidazole is administered in an inactive form then activated to its cytotoxic form within the hydrogenosome of trichomonads. Two hydrogenosomal proteins, pyruvate ferredoxin oxidoreductase (PFOR) and ferredoxin, play a critical role in the reductive activation of metronidazole. The expression of these proteins and other hydrogenosomal proteins are likewise positively regulated by iron. In the present study, the effect of iron on minimal lethal concentration (MLC) of metronidazole on in vitro cultured Trichomonas vaginalis(T...
September 18, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28935377/assessment-of-carbon-footprint-emissions-and-environmental-concerns-of-solid-waste-treatment-and-disposal-techniques-case-study-of-malaysia
#8
Amirhossein Malakahmad, Motasem S Abualqumboz, Shamsul Rahman M Kutty, Taher J Abunama
Malaysian authorities has planned to minimize and stop when applicable unsanitary dumping of waste as it puts human health and the environment at elevated risk. Cost, energy and revenue are mostly adopted to draw the blueprint of upgrading municipal solid waste management system, while the carbon footprint emissions criterion rarely acts asa crucial factor. This study aims to alert Malaysian stakeholders on the uneven danger of carbon footprint emissions of waste technologies. Hence, three scenarios have been proposed and assessed mainly on the carbon footprint emissions using the 2006 IPCC methodology...
September 18, 2017: Waste Management
https://www.readbyqxmd.com/read/28935196/genetic-identification-and-antimicrobial-susceptibility-of-clinically-isolated-anaerobic-bacteria-a-prospective-multicenter-surveillance-study-in-japan
#9
Tomoyuki Yunoki, Yasufumi Matsumura, Masaki Yamamoto, Michio Tanaka, Kyoko Hamano, Satoshi Nakano, Taro Noguchi, Miki Nagao, Satoshi Ichiyama
This prospective multicenter surveillance study was designed to provide antimicrobial susceptibility profiles of clinical anaerobic bacteria with genetic species identification in Japan. In 2014, a total of 526 non-duplicate clinical anaerobic isolates were collected from 11 acute-care hospitals in the Kyoto and Shiga regions of Japan. Genetic identification was performed using 16S rRNA sequencing. Minimum inhibitory concentrations were determined in the central laboratory and were interpreted using the CLSI criteria...
September 18, 2017: Anaerobe
https://www.readbyqxmd.com/read/28935128/quality-of-life-and-sleep-quality-are-similarly-improved-after-aquatic-or-dry-land-aerobic-training-in-patients-with-type-2-diabetes-a-randomized-clinical-trial
#10
Rodrigo S Delevatti, Felipe Barreto Schuch, Ana Carolina Kanitz, Cristine L Alberton, Elisa Corrêa Marson, Salime Chedid Lisboa, Carolina Dertzbocher Feil Pinho, Luciana Peruchena Bregagnol, Maríndia Teixeira Becker, Luiz Fernando M Kruel
OBJECTIVES: To compare the effects of two aerobic training models in water and on dry-land on quality of life, depressive symptoms and sleep quality in patients with type 2 diabetes. DESIGN: Randomized clinical trial. METHODS: Thirty-five patients with type 2 diabetes were randomly assigned to aquatic aerobic training group (n=17) or dry-land aerobic training group (n=18). Exercise training length was of 12 weeks, performed in three weekly sessions (45min/session), with intensity progressing from 85% to 100% of heart rate of anaerobic threshold during interventions...
September 6, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28934686/changes-in-microbial-community-during-removal-of-bde-153-in-four-types-of-aquatic-sediments
#11
Ying Pan, Juan Chen, Haichao Zhou, Nora F Y Tam
Indigenous microorganisms in sediments could degrade polybrominated diphenyl ethers (PBDEs), but how the microbial communities respond to PBDEs was seldom reported. The effect of BDE-153, a common congener in aquatic environments, on the microbial communities in four types of aquatic sediments was evaluated during the 150days' incubation under an anaerobic condition. The intrinsic potential to remove BDE-153 varied significantly among four sediment types, and the removal rates of mangrove, mudflat, marine and freshwater sediments were 0...
September 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28934399/methane-metabolizing-microbial-communities-in-sediments-of-the-haima-cold-seep-area-northwest-slope-of-the-south-china-sea
#12
Mingyang Niu, Xibei Fan, Guangchao Zhuang, Qianyong Liang, Fengping Wang
Cold seeps are widespread chemosynthetic ecosystems in the deep-sea environment, and cold seep microbial communities of the South China Sea are poorly constrained. Here we report on the archaeal communities, particularly those involved in methane metabolization, in sediments of a newly discovered cold seep (named 'Haima') on the northwest slope of the South China Sea. Archaeal diversity, abundance and distribution were investigated in two piston cores collected from a seep area (QDN-14B) and a non-seep control site (QDN-31B)...
September 1, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28933836/heat-generation-and-accumulation-in-municipal-solid-waste-landfills
#13
Zisu Hao, Mei Sun, Joel Ducoste, Craig H Benson, Scott Luettich, Marco J Castaldi, Morton A Barlaz
There have been reports of North American landfills that are experiencing temperatures in excess of 80 - 100°C. However, the processes causing elevated temperatures are not well understood. The objectives of this study were to develop a model to describe the generation, consumption and release of heat from landfills, to predict landfill temperatures, and to understand the relative importance of factors that contribute to heat generation and accumulation. Modeled heat sources include energy from aerobic and anaerobic biodegradation, anaerobic metal corrosion, ash hydration and carbonation, and acid-base neutralization...
September 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28933715/rating-of-perceived-exertion-for-quantification-of-training-and-combat-loads-during-combat-sport-specific-activities-a-short-review
#14
Maamer Slimani, Philip Davis, Emerson Franchini, Wassim Moalla
Slimani, M, Davis, P, Franchini, E, and Moalla, W. Rating of perceived exertion for quantification of training and combat loads during combat sport-specific activities: a short review. J Strength Cond Res 31(10): 2889-2902, 2017-The aim of this short review was to summarize data pertaining to the rating of perceived exertion (RPE) methods (RPE value and session-RPE) during combat sport-specific activities (i.e., competition and training) based on many factors, including contest type (i.e., official vs. simulated vs...
October 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28933324/photobacterium-toruni-sp-nov-a-bacterium-isolated-from-diseased-farmed-fish
#15
Alejandro M Labella, David R Arahal, Teresa Lucena, Manuel Manchado, Dolores Castro, Juan J Borrego
Three bacterial strains were isolated from liver and spleen of diseased farmed redbanded seabream (Pagrus auriga) in south-west Spain. Their partial 16S rRNA gene sequences clustered within those of the genus Photobacterium, showing high similarity (98.6-99.3 %) to the type strains of Photobacterium iliopiscarium, P. piscicola, P. kishitanii, P. aquimaris and P. phosphoreum. Multilocus sequence analysis using six housekeeping genes (gapA, topA, mreB, ftsZ, gyrB and 16S rRNA) confirmed the new strains as forming an independent branch with a bootstrap value of 100, likely to represent a novel species...
September 21, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28933272/evaluation-of-metabolic-and-synaptic-dysfunction-hypotheses-of-alzheimer-s-disease-ad-a-meta-analysis-of-csf-markers
#16
Roni Manyevitch, Matthew Protas, Sean Scarpiello, Marisa Deliso, Brittany Bass, Anthony Nanajian, Matthew Chang, Stefani M Thompson, Neil Khoury, Rachel Gonnella, Margit Trotz, D Blaine Moore, Emily Harms, George Perry, Lucy Clunes, Angélica Ortiz, Jan O Friedrich, Ian V J Murray
BACKGROUND: Alzheimer's disease (AD) is currently incurable and a majority of investigational drugs have failed clinical trials. One explanation for this failure may be the invalidity of hypotheses focusing on amyloid to explain AD pathogenesis. Recently, hypotheses which are centered on synaptic and metabolic dysfunction are increasingly implicated in AD. OBJECTIVE: Evaluate AD hypotheses by comparing neurotransmitter and metabolite marker concentrations in normal versus AD CSF...
September 21, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28933021/sources-composition-and-spectroscopiccharacteristics-of-dissolved-organic-matter-extractedfrom-sediments-in-an-anthropogenic-impacted-riverin-southeastern-china
#17
Tongbin Zhu, Pengfei Duan, Jianguo He, Miaomiao Zhao, Ming Li
The fluorescence and ultraviolet spectroscopic characteristics of dissolved organic matter extracted from sediments in an anthropogenic-impacted river (Hao River) in Southeastern China were analyzed in the current study. Excitation-emission matrix (EEM) fluorescence combined with parallel factor analysis (PARAFAC) was conducted to analyze the sources and composition of dissolved organic matter (DOM). The average dissolved organic carbon (DOC) concentrations of all samples at depths of 0-10, 10-20, and 20-30 cm were 317, 319, and 319 mg kg(-1) dry weight, respectively...
September 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28932888/assessment-of-molecular-detection-of-anaerobic-ammonium-oxidizing-anammox-bacteria-in-different-environmental-samples-using-pcr-primers-based-on-16s-rrna-and-functional-genes
#18
Ping Han, Uli Klümper, Alex Wong, Meng Li, Jih-Gaw Lin, Zhexue Quan, Martin Denecke, Ji-Dong Gu
Eleven published PCR primer sets for detecting genes encoding 16S ribosomal RNA (rRNA), hydrazine oxidoreductase (HZO), cytochrome cd 1-containing nitrite reductase (NirS), and hydrazine synthase subunit A (HzsA) of anaerobic ammonium-oxidizing (anammox) bacteria were assessed for the diversity and abundance of anammox bacteria in samples of three environments: wastewater treatment plant (WWTP), wetland of Mai Po Nature Reserve (MP), and the South China Sea (SCS). Consistent phylogenetic results of three biomarkers (16S rRNA, hzo, and hzsA) of anammox bacteria were obtained from all samples...
September 20, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28932741/efficacies-of-various-anaerobic-starter-seeds-for-biogas-production-from-different-types-of-wastewater
#19
Pawinee Chaiprasert, Nasrul Hudayah, Chompoonut Auphimai
Various anaerobic starter seeds from different sources were investigated for their efficacies in treatment of different types of wastewater. Six combinations of starter seeds and wastewaters were selected out of 25 combination batch experiments and operated in semicontinuous reactors. It was noticed that the efficacies of various anaerobic starter seeds for biogas production from different types of wastewater in terms of reactor performance and stability were depended on wastewater characteristics and F/M ratio affecting microbial community and their microbial activities...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28931208/treatment-of-palm-oil-mill-effluent-using-combination-system-of-microbial-fuel-cell-and-anaerobic-membrane-bioreactor
#20
Sze Pin Tan, Hong Feng Kong, Mohammed J K Bashir, Po Kim Lo, Chii-Dong Ho, Choon Aun Ng
It was found that the operational temperature and the incorporation of microbial fuel cell (MFC) into anaerobic membrane bioreactor (AnMBR) have significant effect on AnMBRs' filtration performance. This paper addresses two issues (i) effect of temperature on AnMBR; and (ii) effect of MFC on AnMBRs' performance. The highest COD removal efficiency was observed in mesophilic condition (45°C). It was observed that the bioreactors operated at 45°C had the highest filtration resistance compared to others, albeit the excellent performance in removing the organic pollutant...
September 1, 2017: Bioresource Technology
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