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https://www.readbyqxmd.com/read/28726229/monitoring-and-modeling-4-chlorophenol-biodegradation-kinetics-by-phenol-acclimated-activated-sludge-by-using-open-respirometry
#1
Cintia C Lobo, Nora C Bertola, Edgardo M Contreras, Noemí E Zaritzky
The aim of this study was to analyze the mechanisms, stoichiometry, and stability of 4-chlorophenol (4CP) biodegradation kinetics by phenol-acclimated activated sludge using open respirometry. While the removal of 4CP was higher than 98%, the removal of chemical oxygen demand (COD) ranged between 69 and 79% due to the accumulation of an intermediate metabolite. The value obtained from respirometric profiles for the stoichiometric ratio of O2 to 4CP (YO2/4CP) was 1.95 ± 0.04 mol of oxygen consumed per mol of 4CP removed...
July 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28723820/the-effects-of-cardiovascular-fitness-and-body-composition-on-maximal-core-temperature-in-collegiate-football-players-during-pre-season
#2
JoAnna M McClelland, Sandra Fowkes Godek, Pamela S Chlad, Deborah L Feairheller, Katherine E Morrison
This study evaluated the effects of BMI and aerobic fitness (VO2max) on maximal core temperature values (Tcmax) in 17 NCAA Division III football players during pre-season. The subjects included nine backs (BKs) and eight linemen (LM). VO2max testing was performed one week prior to pre-season. Core temperature was monitored via ingestible sensor every 10 min during practices on day 4(D1), day 5(D2), day 7(D3), and post-acclimatization on day 14(D4). Wet bulb globe temperature (WBGT) was recorded on each collection day...
July 14, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28716654/exercise-interventions-for-individuals-with-advanced-cancer-a-systematic-review
#3
Kim L Dittus, Robert E Gramling, Philip A Ades
Despite improvements in therapy a large proportion of individuals with cancer will have a shortened life expectancy because of advanced or metastatic disease. Advances in therapy have however, extended life in those with advanced cancer thus heightening the importance of living well and preventing decline. The burdens of disease and cancer therapy impair aerobic fitness, strength, physical function and quality of life (QOL). Fatigue, the most common side effect of cancer and cancer therapy can further deteriorate QOL...
July 14, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28715403/improving-strength-power-muscle-aerobic-capacity-and-glucose-tolerance-through-short-term-progressive-strength-training-among-elderly-people
#4
Eva A Andersson, Per Frank, Marjan Pontén, Björn Ekblom, Maria Ekblom, Marcus Moberg, Kent Sahlin
This protocol describes the simultaneous use of a broad span of methods to examine muscle aerobic capacity, glucose tolerance, strength, and power in elderly people performing short-term resistance training (RET). Supervised progressive resistance training for 1 h three times a week over 8 weeks was performed by RET participants (71±1 years, range 65-80). Compared to a control group without training, the RET showed improvements on the measures used to indicate strength, power, glucose tolerance, and several parameters of muscle aerobic capacity...
July 5, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28713486/concurrent-aerobic-and-resistance-training-has-anti-inflammatory-effects-and-increases-both-plasma-and-leukocyte-levels-of-igf-1-in-late-middle-aged-type-2-diabetic-patients
#5
Giosuè Annibalini, Francesco Lucertini, Deborah Agostini, Luciana Vallorani, Annamaria Gioacchini, Elena Barbieri, Michele Guescini, Lucia Casadei, Annunziata Passalia, Marta Del Sal, Giovanni Piccoli, Mauro Andreani, Ario Federici, Vilberto Stocchi
Type 2 diabetes (T2D) is an age-related chronic disease associated with metabolic dysregulation, chronic inflammation, and activation of peripheral blood mononuclear cells (PBMC). The aim of this study was to assess the effects of a concurrent exercise training program on inflammatory status and metabolic parameters of T2D patients. Sixteen male patients (age range 55-70) were randomly assigned to an intervention group (n = 8), which underwent a concurrent aerobic and resistance training program (3 times a week; 16 weeks), or to a control group, which followed physicians' usual diabetes care advices...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28708930/effects-of-high-intensity-aerobic-interval-training-on-cardiovascular-disease-risk-in-testicular-cancer-survivors-a-phase-2-randomized-controlled-trial
#6
Scott C Adams, Darren S DeLorey, Margie H Davenport, Michael K Stickland, Adrian S Fairey, Scott North, Alexander Szczotka, Kerry S Courneya
BACKGROUND: Testicular cancer survivors (TCS) have an increased risk of treatment-related cardiovascular disease (CVD), which may limit their overall survival. We evaluated the effects of high-intensity aerobic interval training (HIIT) on traditional and novel CVD risk factors and surrogate markers of mortality in a population-based sample of TCS. METHODS: This phase 2 trial (ClinicalTrials.gov identifier NCT02459132) randomly assigned 63 TCS to usual care (UC) or 12 weeks of supervised HIIT (ie, alternating periods of vigorous-intensity and light-intensity aerobic exercise)...
July 14, 2017: Cancer
https://www.readbyqxmd.com/read/28707283/multimodal-physical-activity-increases-brain-derived-neurotrophic-factor-levels-and-improves-cognition-in-institutionalized-older-women
#7
Kelem Vedovelli, Bruno Lima Giacobbo, Márcio Silveira Corrêa, Andréa Wieck, Irani Iracema de Lima Argimon, Elke Bromberg
Physical activity has been proposed as a promising intervention to improve cognition and decrease the risk of dementia in older adults. Brain-derived neurotrophic factor (BDNF) appears to mediate, at least partially, these effects of exercise. However, intervention studies of the effects of multimodal exercises on cognition and BDNF levels are scarce and composed by small samples. Thus, the generalization of the conclusions of these studies depends on the reproducibility of the results. In order to contribute to the knowledge on the field, the present study evaluated the effects of a physical activity intervention composed by muscle strengthening and aerobic conditioning on BDNF levels and cognition in older women...
July 13, 2017: GeroScience
https://www.readbyqxmd.com/read/28706500/executive-functions-do-not-mediate-prospective-relations-between-indices-of-physical-activity-and-academic-performance-the-active-smarter-kids-ask-study
#8
Katrine N Aadland, Yngvar Ommundsen, Eivind Aadland, Kolbjørn S Brønnick, Arne Lervåg, Geir K Resaland, Vegard F Moe
Changes in cognitive function induced by physical activity have been proposed as a mechanism for the link between physical activity and academic performance. The aim of this study was to investigate if executive function mediated the prospective relations between indices of physical activity and academic performance in a sample of 10-year-old Norwegian children. The study included 1,129 children participating in the Active Smarter Kids (ASK) trial, followed over 7 months. Structural equation modeling (SEM) with a latent variable of executive function (measuring inhibition, working memory, and cognitive flexibility) was used in the analyses...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28704072/effects-of-active-videogame-and-sports-play-and-active-recreation-for-kids-physical-education-on-children-s-health-related-fitness-and-enjoyment
#9
Han Chen, Haichun Sun
OBJECTIVE: The purpose of the study was to compare the effects of a Kinect active videogame (AVG) and the Sports, Play, and Active Recreation for Kids (SPARK) intervention in improving children's health-related fitness and physical activity (PA) enjoyment. MATERIALS AND METHODS: A total of 65 students from both third and fourth grade in a rural elementary school participated in the study. The third graders (N = 29, mean age = 9.1 years, 10 boys, mean body mass index [BMI] = 20...
July 13, 2017: Games for Health
https://www.readbyqxmd.com/read/28701449/the-change-program-exercise-intervention-in-primary-care
#10
Doug Klein, Khursheed Jeejeebhoy, Angelo Tremblay, Matthew Kallio, Caroline Rheaume, Serena Humphries, Dawna Royall, Paula Brauer, Daren Heyland, Rupinder Dhaliwal, David M Mutch
PROBLEM ADDRESSED: Primary care settings require a feasible program for integrating lifestyle interventions, which can reverse metabolic abnormalities, for patients in practice. OBJECTIVE OF PROGRAM: To integrate a lifestyle intervention program into existing primary care clinics with an interprofessional approach that includes dietitians and kinesiologists. PROGRAM DESCRIPTION: Canadian Health Advanced by Nutrition and Graded Exercise (CHANGE) provides a personalized approach to nutrition and exercise modification focusing on patients with metabolic syndrome...
July 2017: Canadian Family Physician Médecin de Famille Canadien
https://www.readbyqxmd.com/read/28699532/modulation-of-heart-rate-by-acute-or-chronic-aerobic-exercise-potential-effects-on-blood-pressure-control
#11
Carme Perez-Quilis, J Derek Kingsley, Kabir Malkani, Gianfranco Cervellin, Giuseppe Lippi, Fabian Sanchis-Gomar
It was initially assumed that heart rate and arterial blood pressure were modulated by normal respiration and muscle contraction. The arterial baroreflex, an inverse relationship between blood pressure and heart rate, was later reported. Nonetheless, it was then assumed that those responses involved vagal modulation. We summarize available evidence on the modulation of heart rate by acute or chronic aerobic exercise as well as its potential implications on BP control. Numerous studies have tried to clarify whether aerobic exercise modifies neurally-mediated vasoconstriction, but they report contradictory results...
July 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28698596/aerobic-fitness-associates-with-mnemonic-discrimination-as-a-mediator-of-physical-activity-effects-evidence-for-memory-flexibility-in-young-adults
#12
Kazuya Suwabe, Kazuki Hyodo, Kyeongho Byun, Genta Ochi, Takemune Fukuie, Takeshi Shimizu, Morimasa Kato, Michael A Yassa, Hideaki Soya
A physically active lifestyle has beneficial effects on hippocampal memory function. A potential mechanism for this effect is exercise-enhanced hippocampal plasticity, particularly in the dentate gyrus (DG). Within hippocampal memory formation, the DG plays a crucial role in pattern separation, which is the ability to discriminate among similar experiences. Computational models propose a theoretical hypothesis that enhanced DG-mediated pattern separation leads to "memory flexibility"-a selective improvement in the ability to overcome moderate levels of mnemonic interference...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28697785/effect-of-aquatic-physical-therapy-on-pain-perception-functional-capacity-and-quality-of-life-in-older-people-with-knee-osteoarthritis-study-protocol-for-a-randomized-controlled-trial
#13
Guilherme Eleutério Alcalde, Ana Carolina Fonseca, Thais Fernanda Bôscoa, Mirella Regina Gonçalves, Gabriele Candido Bernardo, Bruna Pianna, Bianca Ferdin Carnavale, Camila Gimenes, Silvia Regina Barrile, Eduardo Aguilar Arca
BACKGROUND: Aquatic therapy promotes short-term benefits for patients with knee osteoarthritis (OA), and it may be the first therapeutic option for this pathological condition. The objective of this study was to investigate the effects of an aquatic therapy program on pain intensity, functional ability, and quality of life in older people with knee OA. METHODS/DESIGN: This is a parallel, two-arm, open, randomized controlled clinical trial with older people with knee OA...
July 11, 2017: Trials
https://www.readbyqxmd.com/read/28697646/effects-of-perlite-and-caustic-soda-on-microorganism-activities-of-leachate-in-sequence-batch-reactor
#14
Etesam Ganjian, Majid Peyravi, Ali Asqar Qoreyshi, Mohsen Jahanshahi, Soodabeh Khalili, Ali Shokuhi Rad
The purpose of this article is to evaluate the effect of adsorbents and alkali pre-treatment on microorganism activities of activated sludge (AS) for the treatment of landfill leachate (LFL). The COD and BOD5/COD ratio of LFL used in this research were 10500 and 0.68, respectively which they show the efficient biodegradation of LFL by aerobic bacteria. In order to survey the role of porous absorbent, perlite was employed as an alternative with low porosity and was compared to powdered activated carbon (PAC) which has been most widely used in the treatment process...
July 11, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28694229/motor-expertise-modulates-neural-oscillations-and-temporal-dynamics-of-cognitive-control
#15
Chun-Hao Wang, Cheng-Ta Yang, David Moreau, Neil G Muggleton
The field of motor expertise in athletes has recently been receiving increasing levels of investigation. However, there has been less investigation of how dynamic changes in behavior and in neural activity as a result of sporting participation might result in superiority for athletes in domain-general cognition. We used a flanker task to investigate conflict-related behavioral measures, such as mean reaction time (RT) and RT variability, in conjunction with electroencephalographic (EEG) measures, including N2d, theta activity power, and inter-trial phase coherence (ITPC)...
July 8, 2017: NeuroImage
https://www.readbyqxmd.com/read/28684703/western-and-mediterranean-dietary-patterns-and-physical-activity-and-fitness-among-spanish-older-adults
#16
Maria Del Mar Bibiloni, Alicia Julibert, Emma Argelich, Raquel Aparicio-Ugarriza, Gonzalo Palacios, Antoni Pons, Marcela Gonzalez-Gross, Josep A Tur
Objectives: To assess prevailing food patterns, and its association with physical activity and fitness among Spanish older adults. Methods: Cross-sectional study in Spain, collecting data from a sample (n = 380; 54% female) aged 55-80 years (men) and 60-80 years (women) with no previously documented cardiovascular disease. Body weight, body fat and waist circumference were assessed. Physical activity performed was measured using the Minnesota Leisure-time Physical Activity Questionnaire (LTPA). Physical fitness was assessed using a validated physical fitness test battery...
July 6, 2017: Nutrients
https://www.readbyqxmd.com/read/28683177/determination-of-ideal-target-exercise-heart-rate-for-cardiac-patients-suitable-for-rehabilitation
#17
Shih Jia Janice Tan, John Carson Allen, Swee Yaw Tan
BACKGROUND: Exercise prescription for patients with cardiovascular disease remains a challenge. The concept of exercising at an intensity equivalent to one's anaerobic threshold has been well studied and highly recommended in the fitness industry for other populations. For this concept to be applicable to patients with cardiovascular disease, the level and intensity of activity must not trigger myocardial ischemia. HYPOTHESIS: We hypothesized that the heart rate at ventilatory anaerobic threshold (HRVAT ) will not exceed heart rate at ischemic threshold (HRIT ) (ie, HRVAT ≤ HRIT in a majority [>50%] of patients)...
July 6, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28682922/the-influence-of-physical-training-status-on-postexercise-hypotension-in-patients-with-hypertension-a-cross-sectional-study
#18
Alexandre A Imazu, Karla F Goessler, Juliano Casonatto, Marcos D Polito
BACKGROUND: To date, few studies have analyzed postexercise hypotension (PEH) in hypertensive patients with different levels of physical fitness. AIM: Therefore, this study aimed to compare PEH in trained and sedentary hypertensive individuals. METHODS: Fifty-one well-controlled hypertensive patients of both sexes were assigned to a trained group [60.4±9.4 years; resting blood pressure (BP)=126.3±5.4/75.0±6.3 mmHg; VO2peak=27.3±4.6 ml kg/min] and 58 sedentary hypertensive patients of both sexes were assigned to a sedentary group (63...
August 2017: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/28682184/-women-and-active-life-an-extended-tpb-based-multimedia-software-to-boost-and-sustain-physical-activity-and-fitness-of-iranian-women
#19
Zeinab Gholamnia-Shirvani, Fazlollah Ghofranipour, Reza Gharakhanlou, Anoshirvan Kazemnejad
Inactivity is prevalent in women, although regular physical activity (PA) has significant health benefits. Health education interventions based on multimedia software and the extended Theory of Planned Behavior (TPB) with planning may be efficacious in promoting PA. This randomized controlled trial, conducted in 2014, aimed to evaluate theory-based multimedia for increasing and maintaining PA and fitness of 130 military personnel's wives in Tehran, Iran. We randomly selected respondents by multi-stage cluster sampling...
July 6, 2017: Women & Health
https://www.readbyqxmd.com/read/28674488/dancing-or-fitness-sport-the-effects-of-two-training-programs-on-hippocampal-plasticity-and-balance-abilities-in-healthy-seniors
#20
Kathrin Rehfeld, Patrick Müller, Norman Aye, Marlen Schmicker, Milos Dordevic, Jörn Kaufmann, Anita Hökelmann, Notger G Müller
Age-related degenerations in brain structure are associated with balance disturbances and cognitive impairment. However, neuroplasticity is known to be preserved throughout lifespan and physical training studies with seniors could reveal volume increases in the hippocampus (HC), a region crucial for memory consolidation, learning and navigation in space, which were related to improvements in aerobic fitness. Moreover, a positive correlation between left HC volume and balance performance was observed. Dancing seems a promising intervention for both improving balance and brain structure in the elderly...
2017: Frontiers in Human Neuroscience
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