Results 21 to 30 of about 164,599 (350)

COMET: Commonsense Transformers for Automatic Knowledge Graph Construction [PDF]

open access: yesAnnual Meeting of the Association for Computational Linguistics, 2019
We present the first comprehensive study on automatic knowledge base construction for two prevalent commonsense knowledge graphs: ATOMIC (Sap et al., 2019) and ConceptNet (Speer et al., 2017).
Antoine Bosselut   +5 more
semanticscholar   +1 more source

Comet assay: a versatile but complex tool in genotoxicity testing.

open access: yesToxicological Research, 2021
The comet assay is a versatile method for measuring DNA strand breaks in individual cells. It can also be applied to cells isolated from treated animals.
E. Cordelli, M. Bignami, F. Pacchierotti
semanticscholar   +1 more source

Do cytotoxicity and cell death cause false positive results in the in vitro comet assay?

open access: yesMutation Research. Genetic Toxicology and Environmental Mutagenesis, 2022
The comet assay is used to measure DNA damage induced by chemical and physical agents. High concentrations of test agents may cause cytotoxicity or cell death, which may give rise to false positive results in the comet assay.
A. Azqueta   +4 more
semanticscholar   +1 more source

Unusually high CO abundance of the first active interstellar comet [PDF]

open access: yesNature Astronomy, 2020
Comets spend most of their lives at large distances from any star, during which time their interior compositions remain relatively unaltered. Cometary observations can therefore provide direct insight into the chemistry that occurred during their birth ...
M. Cordiner   +14 more
semanticscholar   +1 more source

Spectrometer Testing: Dark frame evaluation of StellarNet Black Comet spectrometer [PDF]

open access: yes, 2017
This document presents an evaluation of the dark current present in a StellarNet Black Comet spectrometer for potential applications in a number of research projects within the Sensors and Instrumentation Research Group and the Institute of Materials and
Smith, DR, Hobson, PR
core   +5 more sources

DNA damage in circulating leukocytes measured with the comet assay may predict the risk of death

open access: yesScientific Reports, 2021
The comet assay or single cell gel electrophoresis, is the most common method used to measure strand breaks and a variety of other DNA lesions in human populations.
S. Bonassi   +61 more
semanticscholar   +1 more source

The carbon monoxide-rich interstellar comet 2I/Borisov [PDF]

open access: yes, 2020
Interstellar comets offer direct samples of volatiles from distant protoplanetary disks. 2I/Borisov is the first notably active interstellar comet discovered in our Solar System 1 .
D. Bodewits   +9 more
semanticscholar   +1 more source

First Onset of Unrest Captured at Socompa: A Recent Geodetic Survey at Central Andean Volcanoes in Northern Chile

open access: yesGeophysical Research Letters, 2023
We report the first detection of unrest at Socompa volcano during our recent survey of Central Andean volcanos in Northern Chile using Interferometric Synthetic Aperture Radar measurements spanning January 2018 to October 2021.
F. Liu   +6 more
doaj   +1 more source

Minimum Information for Reporting on the Comet Assay (MIRCA): recommendations for describing comet assay procedures and results

open access: yesNature Protocols, 2020
The comet assay is a widely used test for the detection of DNA damage and repair activity. However, there are interlaboratory differences in reported levels of baseline and induced damage in the same experimental systems.
P. Møller   +30 more
semanticscholar   +1 more source

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