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11 results for “bacterial concentration”
Measurement of bacterial concentration with FLUIDION ALERT System - Milan site
<p>The dataset includes data collected during the monitoring campaign in Milan in 2019 using ALERT and in 2021 campaign, using ALERT V2, and laboratory determinations, performed in the laboratories of CAP. </p> <p><br> From September 2019 to January 2020 the ALERT LAB was tested, and its outcomes were compared with laboratory determinations. Bacteriological analyses of wastewater samples were performed by the Fluidion ALERT Lab device and in the microbiological laboratory of the CAP Group. The monitoring campaign was implemented in Line 2 of the WWTP, where three different sampling points were selected:<br> • IN-BIO: Before biological treatment, performed with BIOFOR system;<br> • IN-UV: Before the UV disinfection treatment;<br> • OUT-UV: After the UV disinfection treatment (i.e., the final wastewater effluent).</p> <p>A lower number of samples was analysed also from the Line 1 of the WWTP. Sampling points were:<br> • IN-OXI: Before biological oxidation;<br> • IN-PAA: Before the disinfection treatment with peracetic acid;<br> • OUT-PAA: After the disinfection treatment with peracetic acid, corresponding to WWTP effluent.</p> <p> </p> <p>The ALERT V2 SYSTEM has been installed in Peschiera Borromeo WWTP from July 2021 to September 2021, and its outcomes were compared with laboratory determinations.</p> <p> </p>
Data from: Exposure to phages has little impact on the evolution of bacterial antibiotic resistance on drug concentration gradients
The use of phages for treating bacterial pathogens has recently been advocated as an alternative to antibiotic therapy. Here we test a hypothesis that bacteria treated with phages may show more limited evolution of antibiotic resistance as the fitness costs of resistance to phages may add to those of antibiotic resistance, further reducing the growth performance of antibiotic-resistant bacteria. We did this by studying the evolution of phage-exposed and phage-free Pseudomonas fluorescens cultures on concentration gradients of single drugs, including cefotaxime, chloramphenicol, and kanamycin. During drug treatment, the level of bacterial antibiotic resistance increased through time, and was not affected by the phage treatment. Exposure to phages did not cause slower growth in antibiotic-resistant bacteria, although it did so in antibiotic-susceptible bacteria. We observed significant reversion of antibiotic resistance after drug use being terminated, and the rate of reversion was not affected by the phage treatment. The results suggest that the fitness costs caused by resistance to phages are unlikely to be an important constraint on the evolution of bacterial antibiotic resistance in heterogeneous drug environments. Further studies are needed for the interaction of fitness costs of antibiotic resistance with other factors.
Data from: Minor environmental concentrations of antibiotics can modify bacterial virulence in co-infection with a non-targeted parasite
Leakage of medical residues into the environment can significantly impact natural communities. For example, antibiotic contamination from agriculture and aquaculture can directly influence targeted pathogens, but also other non-targeted taxa of commensals and parasites that regularly co-occur and co-infect the same host. Consequently, antibiotics could significantly alter interspecific interactions and epidemiology of the co-infecting parasite community. We studied how minor environmental concentration of antibiotic affects the coinfection of two parasites, the bacterium Flavobacterium columnare and the fluke Diplostomum pseudospathaceum, in their fish host. We found that antibiotic in feed, and particularly the minute concentration in water, significantly decreased bacterial virulence and changed the infection success of the flukes. These effects depended on the level of antibiotic resistance of the bacterial strains. Antibiotic, however, did not compensate for the higher virulence of co-infections. Our results demonstrate that even very low environmental concentration of antibiotic can influence ecology and epidemiology of diseases in co-infection with non-targeted parasites. Leakage of antibiotics into the environment may thus have more complex effects on disease ecology than previously anticipated.
Cefiderocol Concentrations in the Lungs of Hospitalized Patients With Bacterial Pneumonia
ClinicalTrials.gov study NCT03862040. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Data from: Exposure to phages has little impact on the evolution of bacterial antibiotic resistance on drug concentration gradients
Open the record for dataset details and reuse information.
Data from: Minor environmental concentrations of antibiotics can modify bacterial virulence in co-infection with a non-targeted parasite
Open the record for dataset details and reuse information.
Supplemental data to our study: Minimum inhibitory concentrations of chlorhexidine- and lactic acid-based teat disinfectants: an intervention trial assessing bacterial selection and susceptibility
<p>Supplemental data to our study: Minimum inhibitory concentrations of chlorhexidine- and lactic acid-based teat disinfectants: an intervention trial assessing bacterial selection and susceptibility</p>
PCR-Based Detection of Bacterial Agents in Platelet Concentrates and Whole Blood
ClinicalTrials.gov study NCT00482339. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Adjustment of Aminoglycoside Dosing Based on Peak Serum Concentration and Bacterial Minimal Inhibitory Concentration
ClinicalTrials.gov study NCT05618457. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
A Randomized, Controlled Trial of the Effectiveness of Perioperative Antibiotics for Reduction of Burn Wound Bacterial Concentration Following Grafting
ClinicalTrials.gov study NCT04516148. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Exposure of Campylobacter jejuni to Sub-inhibitory Concentrations of Pinocembrin Affects the Bacterial Virulence Potential
GEO Series GSE72760. Campylobacter jejuni subsp. jejuni NCTC 11168 = ATCC 700819. 4 samples. Type: Expression profiling by array.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.