Results 21 to 30 of about 71,398 (288)

Tails of Comets [PDF]

open access: yesNature, 1870
IN NATURE of 16th December, Prof. Tait advances the opinion that the tail of a comet consists of nothing but meteorites; mentioning in proof of this that the orbits of the August and November meteors have been determined, and found to be identical with those of two known comets. I do not question the importance of this most remarkable fact, but I think
openaire   +1 more source

Toxoplasma gondii infection can induce retinal DNA damage:an experimental study

open access: yesInternational Journal of Ophthalmology, 2014
AIM: To detect whether Toxoplasma gondii (T. gondii) infection of mice can induce retinal DNA damage.METHODS: A total of 20 laboratory-bred male Swiss albino mice were used and divided into four groups:control group (non-infected animals); T ...
Nagwa Mostafa El-Sayed, Eman Mohamed Aly
doaj   +1 more source

Effect of cigarette smoking on DNA damage according to nine comet assay parameters in female and male groups

open access: yesAnkara Üniversitesi Tıp Fakültesi Mecmuas, 2012
Aim:Smoking poses a serious threat to public health. The aim of this study was to investigate the relationship between smoking and DNA damage in lymphocytes.
Esma Söylemez   +3 more
doaj   +1 more source

Can single cell gel electrophoresis [comet assay] predict the outcome in neonatal sepsis?

open access: yesNational Journal of Clinical Anatomy, 2018
Background & aim : Early diagnosis of neonatal sepsis is important for effective management and recovery. The available methods for diagnosis were not useful in predicting outcome.
N A Priyadharshini   +2 more
doaj   +1 more source

The Earth and Comets' Tails [PDF]

open access: yesNature, 1910
IN spite of the unreserved predictions of astronomers, the earth did not pass through the tail of Halley's comet on May 18–19, nor subsequently. The tail as seen in the morning sky, previous to the transit of the comet across the sun's disc, appeared like a long and straight beam of light stretching from the horizon to Aquila.
openaire   +3 more sources

Feeding Deterrent and Genotoxicity Analysis of a novel Phytopesticide by using Comet Assay against Helicoverpa armigera (HÜbner) (Lepidoptera: Noctuidae)

open access: yesBrazilian Archives of Biology and Technology, 2015
Newly developed Phytopesticidal formulations from pongam and neem oils were evaluated for their feeding deterrent activity using leaf disc choice and no-choice methods, and genotoxic study using comet assay against Helicoverpa armigera at different ...
Soosaimanickam Maria Packiam   +3 more
doaj   +1 more source

Effect of Imidocarb Application on Oxidative DNA Damage Caused by Anaplasmosis

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2021
This study was aimed to evaluate DNA fragmentation by using Comet assay in naturally infected sheep with Anaplasmosis before and after treatment with the Comet method, which shows DNA damage specifically.
Ahmet Cihat Öner, Adnan Ayan
doaj   +1 more source

DNA Damage Analysis in Children with Non-syndromic Developmental Delay by Comet Assay [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2016
Introduction: Majority of the developmental delays in children are non-syndromic and they are believed to have an underlying DNA damage, though not well substantiated.
Surraj Susai   +4 more
doaj   +1 more source

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