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https://www.readbyqxmd.com/read/29168704/extracellular-polymeric-substance-production-in-high-rate-algal-oxidation-ponds
#1
Taobat A Jimoh, A Keith Cowan
Integrated algal pond systems (IAPSs) combine anaerobic and aerobic bioprocesses to affect sewage treatment. The present work describes the isolation and partial characterisation of soluble extracellular polymeric substances (EPSs) associated with microalgal bacterial flocs (MaB-flocs) generated in high rate algal oxidation ponds (HRAOPs) of an IAPS treating domestic sewage. Productivity and change in MaB-flocs concentration, measured as mixed liquor suspended solids (MLSS) between morning (MLSSAM) and evening (MLSSPM) were monitored and the substructure of the MaB-flocs matrix examined by biochemical analysis and Fourier transform infrared spectroscopy (FT-IR)...
November 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/29168064/adipose-tissue-inflammation-in-breast-cancer-survivors-effects-of-a-16-week-combined-aerobic-and-resistance-exercise-training-intervention
#2
Christina M Dieli-Conwright, Jean-Hugues Parmentier, Nathalie Sami, Kyuwan Lee, Darcy Spicer, Wendy J Mack, Fred Sattler, Steven D Mittelman
PURPOSE: Obesity is a leading modifiable contributor to breast cancer mortality due to its association with increased recurrence and decreased overall survival rate. Obesity stimulates cancer progression through chronic, low-grade inflammation in white adipose tissue, leading to accumulation of adipose tissue macrophages (ATMs), in particular, the pro-inflammatory M1 phenotype macrophage. Exercise has been shown to reduce M1 ATMs and increase the more anti-inflammatory M2 ATMs in obese adults...
November 22, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29168052/change-in-health-related-quality-of-life-and-social-cognitive-outcomes-in-obese-older-adults-in-a-randomized-controlled-weight-loss-trial-does-physical-activity-behavior-matter
#3
Jason Fanning, Michael P Walkup, Walter T Ambrosius, Lawrence R Brawley, Edward H Ip, Anthony P Marsh, W Jack Rejeski
This article compared the effect of dietary weight loss administered alone (WL) or in combination with aerobic training (WL + AT) or resistance training (WL + RT) on health related quality of life, walking self-efficacy, stair climb self-efficacy, and satisfaction with physical function in older adults with cardiovascular disease or the metabolic syndrome. Participants (N = 249; M age = 66.9) engaged in baseline assessments and were randomly assigned to one of three interventions, each including a 6-month intensive phase and a 12-month follow-up...
November 22, 2017: Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/29167550/speeding-up-bioproduction-of-selenium-nanoparticles-by-using-vibrio-natriegens-as-microbial-factory
#4
Helga Fernández-Llamosas, Laura Castro, María Luisa Blázquez, Eduardo Díaz, Manuel Carmona
Selenium and selenium nanoparticles (SeNPs) are extensively used in biomedicine, electronics and some other industrial applications. The bioproduction of SeNPs is gaining interest as a green method to manufacture these biotechnologically relevant products. Several microorganisms have been used for the production of SeNPs either under aerobic or anaerobic conditions. Vibrio natriegens is a non-pathogenic fast-growing bacterium, easily cultured in different carbon sources and that has recently been engineered for easy genetic manipulation in the laboratory...
November 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29167536/energy-expenditure-estimation-from-respiration-variables
#5
Rahel Gilgen-Ammann, Marcel Koller, Céline Huber, Riikka Ahola, Topi Korhonen, Thomas Wyss
The aim of this study was to develop and cross-validate two models to estimate total energy expenditure (TEE) based on respiration variables in healthy subjects during daily physical activities. Ninety-nine male and female subjects systematically varying in age (18-60 years) and body mass index (BMI; 17-36 kg*m(-2)) completed eleven aerobic activities with a portable spirometer as the criterion measure. Two models were developed using linear regression analyses with the data from 67 randomly selected subjects (50...
November 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29167117/effect-of-6-weeks-of-high-intensity-one-legged-cycling-on-functional-sympatholysis-and-atp-signaling-in-patients-with-heart-failure
#6
Gregers Wibe Munch, Ulrik Winning Iepsen, Camilla Koch Ryrsø, Jaya Birgitte Rosenmeier, Bente Klarlund Pedersen, Stefan P Mortensen
Breathlessness during daily activities is the primary symptom in patients with heart failure (HF). Poor correlation between the hemodynamic parameters of left ventricular performance and perceived symptoms suggests that other factors such as skeletal muscle function plays a role in determining exercise capacity. We investigated the effect of six weeks of high-intensity one-legged cycling (HIC; 8x4 at 90% one-legged cycling max) on: 1) the ability to override sympathetic vasoconstriction (arterial infusion of tyramine) during one-legged knee-extensor exercise (KEE); 2) vascular function (arterial infusion of ACh, SNP, tyramine and ATP); 3) exercise capacity in HF patients with reduced ejection fraction (n=8) compared with healthy individuals (n=6)...
November 22, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29166993/aerobic-biodegradation-of-ocdd-by-p-mendocina-nsysu-effectiveness-and-gene-inducement-studies
#7
J L Lin, W C Lin, J K Liu, R Y Surampalli, T C Zhang, C M Kao
  The goals of this study were to assess the effectiveness of (1) enhancing octachlorinated dibenzo-p-dioxin (OCDD) biodegradation under aerobic conditions by Pseudomonas mendocina NSYSU (P. Mendocina NSYSU) with the addition of lecithin, and (2) inducing OCDD ring-cleavage genes by pentachlorophenol (PCP) and OCDD addition. P. Mendocina NSYSU could biodegrade OCDD via aerobic cometabolism and lecithin was used as a primary substrate. Approximately 74 and 67% of OCDD biodegradation was observed after 60 days of incubation with lecithin and glucose supplement, respectively...
December 1, 2017: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/29166863/characterization-of-the-inner-membrane-protein-bb0173-from-borrelia-burgdorferi
#8
Christina M Brock, Manuel Bañó-Polo, Maria J Garcia-Murria, Ismael Mingarro, Maria Esteve-Gasent
BACKGROUND: The bacterial spirochete Borrelia burgdorferi is the causative agent of the most commonly reported arthropod-borne illness in the United States, Lyme disease. A family of proteins containing von Willebrand Factor A (VWFA) domains adjacent to a MoxR AAA+ ATPase have been found to be highly conserved in the genus Borrelia. Previously, a VWFA domain containing protein of B. burgdorferi, BB0172, was determined to be an outer membrane protein capable of binding integrin α3β1...
November 22, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/29166299/exercise-and-the-tumor-microenvironment-potential-therapeutic-implications
#9
Jennifer M Wiggins, Alexander B Opoku-Acheampong, Dryden R Baumfalk, Dietmar W Siemann, Bradley J Behnke
An imbalance in oxygen delivery-to-demand in solid tumors results in local areas of hypoxia leading to poor patient prognosis. We hypothesize that aerobic exercise increases tumor blood flow, recruits previously non-perfused tumor blood vessels and thereby augments blood-tumor O2 transport and diminishes tumor hypoxia. When combined with conventional anti-cancer treatments, aerobic exercise can significantly improve the outcomes for several types of cancers.
November 21, 2017: Exercise and Sport Sciences Reviews
https://www.readbyqxmd.com/read/29166257/raoultella-planticola-a-rare-cause-of-wound-infection
#10
Shana S Kalaria, Kristina Elliott, Neal Combs, Linda G Phillips
Raoultella planticola is a gram-negative, aerobic, rod bacterium commonly found in the environment, particularly in water, soil, and fish. This organism has been found to cause a variety of infections, such as necrotizing fasciitis, cystitis, cholecystitis, pancreatitis, hepatic disease, and soft tissue infections. The authors report the case of a 73-year-old-woman who presented with a R planticola wound infection of her left lower extremity after a dog scratch. She was treated successfully with local wound care using dehydrated human amnion/chorion and oral levofloxacin...
November 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/29166252/low-intensity-exercise-accelerates-wound-healing-in-diabetic-mice
#11
Todd Keylock, Lee Meserve, Amber Wolfe
INTRODUCTION: Moderate-intensity aerobic exercise has been noted to improve wound healing rates in mice and people, but different intensities of exercise may have different impacts on healing rates. It is important to determine the most beneficial exercise intensity for improving wound healing in people with type 2 diabetes to help prevent wounds from becoming chronic, greatly reduce pain and immobility, and lower the high cost of health care associated with treatment. OBJECTIVE: The purpose of this study is to determine the impact of low-intensity exercise compared with high-intensity exercise in terms of the rate of wound healing in diabetic mice...
November 20, 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/29166177/kinetic-behavior-of-campylobacter-jejuni-in-beef-tartare-at-cold-temperatures-and-transcriptomes-related-to-its-survival
#12
Sejeong Kim, Jiyeon Jeong, Heeyoung Lee, Jeeyeon Lee, Soomin Lee, Jimyeong Ha, Yukyoung Choi, Yohan Yoon, Kyoung-Hee Choi
This study was conducted to examine the kinetic behavior of Campylobacter jejuni in raw beef tartare by using mathematical models and to identify genes related to C. jejuni survival at cold temperatures. C. jejuni was inoculated onto beef tartare samples, stored at 4, 10, 15, 25, and 30°C, plated on modified charcoal-cefoperazone-deoxycholate agar, and enumerated. The survival data was fitted to the Weibull model to calculate delta (δ), which is the time required for the first 1-log reduction of the cells...
November 22, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/29166174/low-prevalence-of-salmonella-and-shiga-toxin-producing-escherichia-coli-in-lymph-nodes-of-australian-beef-cattle
#13
Gavin Bailey, Long Huynh, Lachlan Govenlock, David Jordan, Ian Jenson
Salmonella contamination of ground beef has been viewed as originating from the surface of carcasses. Recent studies have identified lymph nodes as a potential source of Salmonella contamination because these tissues play an active role in containment of pathogens in the live animal and because some lymph nodes are unavoidably present in manufacturing beef trimmings or primal cuts that may be incorporated into ground beef. A survey was conducted of the microbiological status of lymph nodes from Australian cattle at the time of slaughter to determine the prevalence of microbiological contamination...
November 22, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/29166173/cold-plasma-inactivation-of-salmonella-in-prepackaged-mixed-salads-is-influenced-by-cross-contamination-sequence
#14
Sarah M Hertrich, Glenn Boyd, Joseph Sites, Brendan A Niemira
Customer demand for convenient food products has led to an increased production of prepackaged and ready-to-eat food products. Most of these products rely mainly on surface disinfection and other traditional approaches to ensure shelf life and safety. Novel processing techniques, such as cold plasma, are currently being investigated to enhance the safety and shelf life of prepacked foods. The purpose of this study was to determine the effects of cold plasma corona discharge on the inactivation of Salmonella on prepackaged, tomato-and-lettuce mixed salads...
November 22, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/29166164/a-physiological-signature-of-the-cost-of-reproduction-associated-with-parental-care
#15
Melinda A Fowler, Tony D Williams
Costs of reproduction are an integral and long-standing component of life-history theory, but we still know relatively little about the specific physiological mechanisms underlying these trade-offs. We experimentally manipulated workload during parental care in female European starlings (Sturnus vulgaris) using attachment of radios and/or wing clipping and assessed measures of workload, current breeding productivity, future fecundity, and survival (local return rate) in relation to treatment. Females with wing clipping and radio attachment paid a clear cost of reproduction compared with all other treatment groups: they had lower future fecundity and lower return rates despite having lower current breeding productivity...
December 2017: American Naturalist
https://www.readbyqxmd.com/read/29165728/cardioprotective-effect-of-hydroxysafflor-yellow-a-via-the-cardiac-permeability-transition-pore
#16
Gavin A Huber, Sydney M Priest, Timothy P Geisbuhler
Myocardial ischemia damages cardiac myocytes in part via opening of the mitochondrial permeability transition pore. Preventing this pore's opening is therefore a useful therapeutic goal in treating cardiovascular disease. Hydroxysafflor yellow A has been proposed as a nontoxic alternative to other agents that modulate mitochondrial permeability transition pore opening. In this study, we proposed that hydroxysafflor yellow A prevents mitochondrial permeability transition pore formation in anoxic cardiac myocytes, and thus protects the cell from damage seen during reoxygenation of the cardiac myocytes...
November 17, 2017: Planta Medica
https://www.readbyqxmd.com/read/29165623/effects-of-pharmacologic-and-nonpharmacologic-interventions-on-insomnia-symptoms-and-subjective-sleep-quality-in-women-with-hot-flashes-a-pooled-analysis-of-individual-participant-data-from-4-msflash-trials
#17
Katherine A Guthrie, Joseph C Larson, Kristine E Ensrud, Garnet L Anderson, Janet S Carpenter, Ellen W Freeman, Hadine Joffe, Andrea Z LaCroix, JoAnn E Manson, Charles M Morin, Katherine M Newton, Julie Otte, Susan D Reed, Susan M McCurry
Study Objectives: The Menopause Strategies: Finding Lasting Answers for Symptoms and Health network conducted three randomized clinical trials (RCT) testing six interventions treating vasomotor symptoms (VMS), and also collected self-reported sleep outcomes. A fourth RCT assessed an intervention for insomnia symptoms among women with VMS. We describe these seven interventions' effects relative to control in women with comparably severe insomnia symptoms and VMS. Methods: We analyzed pooled individual-level data from 546 peri- and postmenopausal women with Insomnia Severity Index (ISI) >12, and ≥14 bothersome VMS/week across the four RCTs...
November 20, 2017: Sleep
https://www.readbyqxmd.com/read/29165580/role-of-anaerobic-blood-cultures-in-neonatal-bacteremia
#18
Nathan Messbarger, Kari Neemann
Background: Evaluation for neonatal sepsis routinely includes performing both aerobic and anaerobic blood cultures despite our lack of knowledge of the true incidence of anaerobic bacteremia in this age group and the consequences of not performing these paired cultures. Methods: We performed a retrospective review of all blood cultures performed for neonates in a children's hospital. Clinically significant pathogens were defined as microorganisms that rarely are considered to be contaminants, that were recovered from multiple blood cultures or sites, or were considered significant according to the patient's attending physician...
November 20, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/29165142/the-effect-of-exercise-intensity-on-brain-derived-neurotrophic-factor-and-memory-in-adolescents
#19
Yong Kyun Jeon, Chang Ho Ha
BACKGROUND: Brain derived neurotrophic factor (BDNF) seems to serve as an important regulatory mechanism in the growth and development of neurons in many areas of the brain.Insulin-like growth factor 1 (IGF-1) is related to neurogenesis and regulation of the BDNF gene and is involved in the growth and differentiation of neurons.Cortisol is released in response to stimuli such as psychological oppression, anxiety, and fear. Stress also induces changes in BDNF. The purpose of this study was thus to examine the effects of varying intensities of aerobic exercise on resting serum BDNF, IGF-1 concentrations, cortisol, and memory of adolescents...
April 4, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29164763/tmem207-hinders-the-tumour-suppressor-function-of-wwox-in-oral-squamous-cell-carcinoma
#20
Katsuaki Bunai, Hiroshi Okubo, Kimika Hano, Keisuke Inoue, Yusuke Kito, Chiemi Saigo, Toshiyuki Shibata, Tamotsu Takeuchi
The WW domain-containing oxidoreductase (WWOX) functions as a tumour suppressor in oral carcinogenesis. As aberrant TMEM207 expression may lead to tumour progression by hampering the tumour suppressor function of WWOX in various cancers, we explored the expression and pathobiological properties of TMEM207, focusing on the WWOX-mediated regulation of the HIF-1α pathway in oral squamous cell carcinoma (OSCC). TMEM207 immunoreactivity was detected in 40 of 90 OSCC samples but not in neighbouring non-tumorous epithelial tissues...
November 22, 2017: Journal of Cellular and Molecular Medicine
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