Results 41 to 50 of about 24,035,647 (351)

Magnetic Extraction of Microplastics from Environmental Samples

Environmental Science and Technology Letters, 2019
Separating microplastics (MPs) from environmental samples is challenging, but necessary to determine their environmental prevalence. Current methods are not standardized across environmental sample type, and it is unclear how well they recover smaller ...
J. Grbić, B. Nguyen, Edie Guo, Jae Bem You, D. Sinton, Chelsea M. Rochman   +5 more
semanticscholar   +1 more source

Assessment of Subsampling Strategies in Microspectroscopy of Environmental Microplastic Samples

, 2021
The analysis of environmental occurrence of microplastic (MP) particles has gained notable attention within the past decade. An effective risk assessment of MP litter requires elucidating sources of MP particles, their pathways of distribution and ...
Kanaki, E., Labrenz, M., Fischer, D., Fischer, F., Enders, K., Brandt, Josef,   +5 more
core   +1 more source

Efficiency Calibration of a HPGe Detector and Environmental Samples Measurement of Self-Absorption Correction Factors [PDF]

مجله علوم و فنون هسته‌ای, 2014
Gamma spectroscopy was performed on Marinelli beaker standards containing soil with different densities of ρ = 1 to 1.5 gr cm-3 upon using a HPGe detector. The spectra were analyzed by a specific software and then the efficiency vs. energy was calculated
Mahboubeh Lotfi, Seyed Mojtaba Mostajabodavati, Behzad Teymouri Sichani   +2 more
doaj  

Utilisation of Actiphage in combination with IS900 qPCR as a diagnostic tool for rapid determination of paratuberculosis infection status in small ruminant herds

Journal of Veterinary Research, 2023
Mycobacterium avium subsp. paratuberculosis (MAP) is the causative agent of paratuberculosis, a chronic infectious intestinal disease occurring in domestic and wild ruminants. Early diagnosis of infected herds enabling timely adoption of control measures
Beinhauerova Monika, Slana Iva
doaj   +1 more source

Stimulated Raman microspectroscopy as a new method to classify microfibers from environmental samples.

Environmental Pollution, 2020
Microfibers are reported as the most abundant microparticle type in the environment. Their small size and light weight allow easy and fast distribution, but also make it challenging to determine their chemical composition.
S. Laptenok, C. Martin, L. Genchi, C. Duarte, C. Liberale   +4 more
semanticscholar   +1 more source

Study of Self-Absorption in Gamma-Ray Spectroscopy of Environmental Samples [PDF]

مجله علوم و فنون هسته‌ای, 2014
HPGe detector has been simulated by using MCNP code, and the detector response has been determined. Monte Carlo simulations have been performed for different elemental composition and density as environmental Marinelli samples (z =10-90, ρ = 0.8-2 g/cm3).
Mahboobeh Lotfi, Seyed Mojtaba Mostajaboddavati, Behzad Teymouri Sichani   +2 more
doaj  

Investigation of the Frequency of Detection of Common Respiratory Pathogens in Nasal Secretions and Environment of Healthy Sport Horses Attending a Multi-Week Show Event during the Summer Months

Viruses, 2023
Little information is presently available regarding the frequency of the silent shedders of respiratory viruses in healthy sport horses and their impact on environmental contamination.
Nicola Pusterla, Madalyn Kalscheur, Duncan Peters, Lori Bidwell, Sara Holtz, Samantha Barnum, Kaila Lawton, Matt Morrissey, Stephen Schumacher   +8 more
doaj   +1 more source

Trace metal contaminants in sediments and soils: comparison between ICP and XRF quantitative determination

E3S Web of Conferences, 2013
A mineralization method HCl-free for heavy metals analysis in sediments and soils by DRC-ICP-MS was developed. The procedure, which uses concentrated nitric, hydrofluoric acid and hydrogen peroxide, was applied for the analysis of arsenic, cadmium ...
Congiu A., Perucchini S., Cesti P.
doaj   +1 more source

SARS-CoV-2 in Environmental Samples of Quarantined Households

medRxiv, 2020
The role of environmental transmission of SARS-CoV-2 remains unclear. Particularly the close contact of persons living together or cohabitating in domestic quarantine could result in high risk for exposure to the virus within the households.
M. Döhla, Bianca Schulte, G. Wilbring, B. Kümmerer, Christin Döhla, Esther Sib, Enrico Richter, P. Ottensmeyer, A. Haag, S. Engelhart, A. Eis-Hübinger, M. Exner, N. Mutters, R. Schmithausen, H. Streeck   +14 more
semanticscholar   +1 more source

First European Erwinia amylovora Lytic Bacteriophage Cocktails Effective in the Host: Characterization and Prospects for Fire Blight Biocontrol

Biology
Fire blight, caused by the plant-pathogenic bacterium Erwinia amylovora, is a highly contagious and difficult-to-control disease due to its efficient dissemination and survival and the scarcity of effective control methods. Copper and antibiotics are the
Elena G. Biosca, Ricardo Delgado Santander, Félix Morán, Àngela Figàs-Segura, Rosa Vázquez, José Francisco Català-Senent, Belén Álvarez   +6 more
doaj   +1 more source