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1,129 results for “aerobic”
16S rRNA gene data for aerobic BTEX-degrading enrichments exposed to sulfonamide polyfluorinated substances in fire-fighting foams and transformation products
<p>Per- and polyfluoroalkyl substances (PFASs) from aqueous film forming foams (AFFFs) can hinder bioremediation of co-contaminants, such as trichloroethene (TCE) and benzene, toluene, ethylbenzene, and xylene (BTEX). Anaerobic dechlorination can require bioaugmentation of <em>Dehalococcoides</em> and for BTEX, oxygen is often sparged to stimulate in-situ aerobic biodegradation. We tested PFAS inhibition to TCE and BTEX bioremediation by exposing an anaerobic TCE-dechlorinating co-culture, an aerobic BTEX-degrading enrichment culture, and an anaerobic toluene-degrading enrichment culture to n-dimethyl perfluorohexane sulfonamido amine (AmPr-FHxSA), perfluorohexane sulfonamide (FHxSA), perfluorohexane sulfonic acid (PFHxS), or non-fluorinated surfactant sodium dodecyl sulfate (SDS). The anaerobic TCE-dechlorinating co-culture was resistant to individual PFASs exposures but was inhibited by >1,000x diluted AFFF. FHxSA and AmPr-FHxSA inhibited the aerobic BTEX-degrading enrichment. The anaerobic toluene-degrading enrichment was not inhibited by AFFF or individual PFASs. Increases in amino acids in the anaerobic TCE-dechlorinating co-culture compared to the control indicated stress response, while the BTEX culture exhibited lower concentrations of all amino acids upon exposure to most surfactants (both fluorinated and non-fluorinated) compared to the control. These data suggest the main mechanisms of microbial toxicity are related to interactions with cell membrane synthesis as well as protein stress signaling.</p>
Data set for «Short- and long-distance avian migrants differ in exercise endurance but not aerobic capacity"
<p>Data set of body condition parameters and aerobic metabolic performances of four Old-world flycatcher species (<em>Muscicapidae</em>) during spring migration. The species differ in their migration strategies: European robins (<em>Erithacus rubecula</em>) and black redstarts (<em>Phoenicurus ochruros</em>) are short-distance migrants spending their entire annual cycle within the Palaearctic and some populations move from North African non-breeding grounds to breeding sites in continental Europe. In contrast, common redstarts (<em>P. phoenicurus</em>) and whinchats (<em>Saxicola rubetra</em>) are obligate long-distance migrants which overwinter in sub-Saharan Africa and migrate to Palaearctic breeding sites.</p> <p>We measured body condition and aerobic performances of birds at Ventotene islands - the first stopover site after crossing the Mediterranean Sea.</p> <p> </p> <p>The data set comprises the following parameters:<br> scieName: scientific name of study species: EriRub (European robin), PhoOch(black redstart), PhoPho (common redstart), SaxRub (whinchat)<br> spec: species code (1-4)<br> ring_ID: individual ring number<br> date: date of measurement<br> mig: migration strategy, 1- short-distance, 2 -long-distance<br> sex: 1-male, 2-female<br> fat: body fat scores (according EURING) (range: 1-6)<br> muscle: breast muscle score (according EURING) (range: 0-3)<br> Hb -haemoglobin concentration in peripheral blood (mg ml<sup>-1</sup>)<br> Infection - infection with haemosporidian parasites (0 - uninfected, 1 - infected)<br> body mass_RMR: body mass (g) before RMR measurement<br> body mass_MMR: body mass (g) before MMR measurement<br> RMR: minimum resting metabolic rate (min V̇O<sub>2</sub>, ml min<sup>-1</sup>)<br> mass-specRMR: mass-specific minimum resting metabolic rate (min V̇O<sub>2</sub>, ml (g min)<sup>-1</sup>)<br> MMR: maximum metabolic rate (max V̇O<sub>2</sub>, ml min<sup>-1</sup>)<br> mass-specMMR: mass-specific maximum metabolic rate (max V̇O<sub>2</sub>, ml (g min)<sup>-1</sup>)<br> TimeExhaust: time until exhaustion (min)</p>
Appendix for the paper entitled Aerobic Threshold and Point of Maximal Fat Oxidation Agreement: Follow-up on a Systematic Review and Meta-Analysis on Association
<p>This is an appendix with all the data as well as the R software code developed for the multilevel meta-analysis on the agreement</p>
Training of aerobic fitness (VO2max) and muscle strength – a cost/benefit analysis
<p>A systematic literature search in the Ovid Medline, Web of Science and SportDiscus databases was performed, limited to randomized studies of aerobic fitness and strength training, respectively. Studies with at least three "doses" of frequency, duration or intensity of training were examined in order to find out what effect could be expected from the next highest “dose”.</p>
Clumped isotope measurements reveal aerobic oxidation of methane below the Greenland ice sheet
<p><strong><span>Archive Data</span></strong></p> <p><strong><span>Author(s)</span></strong></p> <p><span>Getachew Agmuas Adnew, Thomas </span><span>R</span><span>o</span><span>¨</span><span>c</span><span>kmann</span><span>,</span><span> </span><span>Thomas Blunier, Christian<span> </span>Juncher<span> </span>Jørgensen,<span> </span>Sarah<span> </span>Elise<span> </span>Sapper,<span> </span>Carina<span> </span>van<span> </span>der<span> </span>Veen,</span></p> <p><span>Malavika<span> </span>Sivan,<span> </span>Maria<span> </span>Elena<span> </span>Popa,<span> </span>Jesper<span> </span>Riis<span> </span><span>Christiansen</span></span><strong><span> </span></strong></p> <p><strong><span>Title</span></strong></p> <p><span>Clumped isotope measurements reveal aerobic oxidation of methane below the Greenland ice sheet</span></p> <p><strong><span>Description</span></strong></p> <p><span>Data collection related to the manuscript/paper " Clumped isotope measurements reveal aerobic oxidation of methane below the Greenland ice sheet".</span></p> <p><span> </span></p> <p><span>The data are the basis for figure 4, 5, 6,7 and 9, table 1 and supplementary figure 2 in manuscript/paper. The data is provided as an excel file as described below. </span></p> <p><em><span>Sheet 1</span></em><span>: Mass scan for clumped methane measurement cup configuration. This data set is used to produce figure 4. </span></p> <p><em><span>Sheet 2</span></em><span>: <span> </span>contains all data for the concentration and isotope composition of methane <span> </span>(bulk and clumped isotope) and the </span><span>𝛅</span><span>13C of carbon dioixed . These data is provided in Table 1 and used to produce Figure 5 <span> </span>to 7 and supplemetary figure 2</span></p> <p><em><span>Sheet 3</span></em><span>: Water isotope data of the subglacial melt water</span></p> <p><em><span>Sheet 4</span></em><span>: Data for end pont members used to produce Figure 9</span></p> <p><span> </span></p> <p><span>2.1 Site description</span></p> <p><span>The study site is located at an elevation of 450 m above sea level at a lateral subglacial meltwater outlet on the southern flank at the terminus of the Isunnguata Sermia Glacier at the western margin of the GrIS (67°09’16.40’’N 50°04’08.48’’W). </span></p> <p><span>The area in front of the meltwater outlet consists of abraded granodioritic gneiss bedrock with large boulders and patches of gravel, sand and silt deposited by meltwater. The glacier front contained highly irregular cracks and air-filled cavities, which changed over the season as the ice melted and deformed. </span></p> <p><span> </span></p> <p><span>2.2. Collection of air samples </span></p> <p><span>Air samples were collected in june 2022 from the ice cave using a small compressor that compressed ambient air into pre-evacuated 6 and 15 L volume canisters to a final pressure of 3 bar (Entech Instruments,USA) (Figure 2 and 3). The mole fraction of CH4 and CO2 in the air sampled was monitored with a microportable Greenhouse Gas Analyzer (MGGA) (GLA131-GGA, ABB-Los Gatos Research, San Jose, CA, USA). Background air was collected at the top of the glacier in 2 L volume stainless steel canisters.</span></p> <p><span> </span></p> <p><span>2.2. Collection of water samples </span></p> <p><span>We collected water samples from the subglacial meltwater at the margin of ISG for water isotope analysis in June 2022 between 12:00 and 15:00 (local time). The water samples were filtered using 0.45 µm pore size syringe filters and stored in an amber glass with a small headspace in a refrigerator prior to analysis. </span></p> <p><span> </span></p> <p><span>2.7 Isotopic analyses of gas and water samples</span></p> <p><span> </span></p> <p><span>The bulk isotope composition (δ13C(CH4) and δD(CH4)) and clumped isotopes (∆13CH3D and ∆12CH2D2) of CH4 were measured using a high-resolution gas source isotope ratio mass spectrometer (HR-IRMS) (Thermo Scientific, Germany) in dual inlet mode at Utrecht University. CH4 from air samples was extracted using cryogenic separation (see Figure 3). The extraction process employed two traps to remove CO2 and other condensable gases, followed by a charcoal trap to collect CH4, all operated at a temperature of liquid nitrogen (-196°C). Further purification of CH4 was achieved using a custom-made gas chromatography setup with two columns: a stainless steel column packed with molecular sieve to separate gases like H2, Ar, O2, and N2 and a second column packed with HayeSep-D porous polymer to separate CH4 from higher-order hydrocarbons such as C2H6 and C3H8.</span></p> <p><span> </span></p> <p><span>The isotopic composition of CO2 (δ13C) was analyzed with the CF-IRMS system at Utrecht University. In short, the CO2 is cryogenically separated from the air, further purified chromatographically, and then injected into the IRMS via an open split inlet. The results are related to the VPDB and VSMOW scales via a reference air cylinder with known isotopic composition. </span></p> <p><span> </span></p> <p><span>Water isotopes were measured at Physics of Ice and Climate (PIC), Niels Bohr Institute, University of Copenhagen, Denmark with a cavity ring-down spectroscopy (Picarro L2130, PICARRO, USA).</span></p>
Raw data supporting: Augmenting the Performance of Hydrogenase for Aerobic Photocatalytic Hydrogen Evolution via Solvent Tuning
<p>Raw experimental data supporting the article "Augmenting the Performance of Hydrogenase for Aerobic Photocatalytic Hydrogen Evolution <em>via</em> Solvent Tuning"</p>
Supplementary material 2 for Thesis Chapter 2 - An obligate aerobe hybridises hydrogen fermentation and carbon storage to adapt to hypoxia
<p>Supplementary material for cryo-EM tomography experiments.</p> <p>Cryo-EM Aerated Vs Anoxic.pptx contains representations from the best tomogram reconstructions.</p> <p>Anoxic_tomogram.mp4 and Aerated_tomogram.mp4 contain tomogram movies for one sample from each condition.</p> <p> </p>
Assessment of four in vitro phenotypic biofilm detection methods in relation to antimicrobial resistance in aerobic clinical bacterial isolates
<p><strong>Introduction</strong>: The lack of standardized methods for detecting biofilms continues to pose a challenge to microbiological diagnostics since biofilm-mediated infections induce persistent and recurrent infections in humans that often defy treatment with common antibiotics. This study aimed to evaluate diagnostic parameters of four in vitro phenotypic biofilm detection assays in relation to antimicrobial resistance in aerobic clinical bacterial isolates.</p> <p><strong>Methods</strong>: In this cross-sectional study, bacterial strains from clinical samples were isolated and identified following the standard microbiological guidelines. The antibiotic resistance profile was assessed through the Kirby-Bauer disc diffusion method. Biofilm formation was detected by gold standard tissue culture plate method (TCPM), tube method (TM), Congo red agar (CRA), and modified Congo red agar (MCRA). Statistical analyses were performed using SPSS version 17.0, with a significant association considered at p<0.05.</p> <p><strong>Result</strong>: Among the total isolates (n=226), TCPM detected 140 (61.95%) biofilm producers, with CoNS (9/9) (p<0.001) as the predominant biofilm former. When compared to TCPM, TM (n=119) (p<0.001) showed 90.8% sensitivity and 70.1% specificity, CRA (n=88) (p=0.123) showed 68.2% sensitivity and 42% specificity, and MCRA (n=86) (p=0.442) showed 65.1% sensitivity and 40% specificity. Juxtaposed to CRA, colonies formed on MCRA developed more intense black pigmentation from 24 to 96 hours. There were 77 multi-drug-resistant (MDR)-biofilm formers and 39 extensively drug-resistant (XDR)-biofilm formers, with 100% resistance to ampicillin and ceftazidime, respectively.</p> <p><strong>Conclusion</strong>: It is suggested that TM be used for biofilm detection. Unlike MCRA, black pigmentation in colonies formed on CRA declined with time. MDR- and XDR-biofilm formers were frequent among the clinical isolates.</p>
Effect of Aerobic Exercise With Synchronous Music on Functions Among Medical Students
ClinicalTrials.gov study NCT06788106. IPD Sharing: NO. Countries: 1. Publications: 2.
Feasibility of Therapy Integrating Peer-sharing, Technology, Aerobic and Resistance Training (TIPSTART)
ClinicalTrials.gov study NCT04813198. IPD Sharing: YES. Countries: 1. Publications: 1.
Continuous vs Aerobic Postexercise Hypotension
ClinicalTrials.gov study NCT03313375. IPD Sharing: NO. Countries: 1. Publications: 12.
Aerobic Exercise Training in Patients With Chronic Hepatitis B and Hepatic Steatosis
ClinicalTrials.gov study NCT05265026. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Effects of Aerobic Exercise for Treating Alzheimer's Disease
ClinicalTrials.gov study NCT01954550. IPD Sharing: UNDECIDED. Countries: 1. Publications: 5.
The Acute Effect of Aerobic Exercise on Sleep in Patients With Depression
ClinicalTrials.gov study NCT03673397. IPD Sharing: YES. Countries: 1. Publications: 2.
Effect of Aerobic Training on the Health Parameters of Postmenopausal Women With Multimorbidity
ClinicalTrials.gov study NCT05075902. IPD Sharing: NO. Countries: 1. Publications: 8.
Comparative Effects of UE Aerobic and Resistance Training on Cardiorespiratory Fitness in Hypertensive Patients
ClinicalTrials.gov study NCT05936892. IPD Sharing: NO. Countries: 1. Publications: 6.
Aerobic Exercise for Remyelination in Multiple Sclerosis
ClinicalTrials.gov study NCT04539002. IPD Sharing: NO. Countries: 1. Publications: 1.
Periodized Aerobic Interval Training in Metabolic Syndrome
ClinicalTrials.gov study NCT03119493. IPD Sharing: NO. Countries: 1. Publications: 1.
Respiratory Muscle Training Combined With Aerobic Exercise in Obstructive Sleep Apnea Syndrome
ClinicalTrials.gov study NCT05210998. IPD Sharing: Not stated. Countries: 1. Publications: 22.
The Effect of an Aerobic Exercise Programme in Stroke Patients
ClinicalTrials.gov study NCT01070459. IPD Sharing: Not stated. Countries: 1. Publications: 3.
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OpenNeuro
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