Results 51 to 60 of about 48,282 (244)
Frontiers in Genetics, 2015 In the alkaline comet assay, cells are embedded in agarose, lysed, and then subjected to further processing including electrophoresis at high pH (>13). We observed very large variations of mean comet tail lengths of cell samples from the same population ...
Gunnar Brunborg
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Activity of 50 Long-Period Comets Beyond 5.2 AU [PDF]
, 2016 Remote investigations of the ancient solar system matter has been traditionally carried out through the observations of long-period (LP) comets that are less affected by solar irradiation than the short-period counterparts orbiting much closer to the Sun.
Csak, B. +12 more
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Dendritic organization of actin comet tails [PDF]
Current Biology, 2001 Polymerization of actin filaments is necessary for both protrusion of the leading edge of crawling cells and propulsion of certain intracellular pathogens, and it is sufficient for generating force for bacterial motility in vitro. Motile intracellular pathogens are associated with actin-rich comet tails containing many of the same molecular components ...
Lisa A. Cameron +4 more
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The Dust Trail of Comet 67P/Churyumov-Gerasimenko
, 2007 We report the detection of comet 67P/Churyumov-Gerasimenko's dust trail and nucleus in 24 micron Spitzer Space Telescope images taken February 2004. The dust trail is not found in optical Palomar images taken June 2003.
A'Hearn +64 more
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Photometric Study of the C/2014 Q2 (Lovejoy) Comet Plasma Tails
, 2018 Observations of C/2014 Q2 (Lovejoy) comet were carried out on 7th February, 2015, at the observation station in Mayaki village (No. 583 -- Odesa-Mayaki observatory).
Gorbanev, Yury M. +3 more
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Evidence of Fragmenting Dust Particles from Near-Simultaneous Optical and Near-IR Photometry and Polarimetry of Comet 73P/Schwassmann-Wachmann 3 [PDF]
, 2008 We report imaging polarimetry of segments B and C of the Jupiter-family Comet 73P/Schwassmann-Wachmann 3 in the I and H bandpasses at solar phase angles of approximately 35 and 85deg.
A'Hearn +27 more
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Comparison Between Different DNA and Conventional
مجله كليه طب الكندي, 2012 Background: The discriminative power of the classical WHO parameters in relation to male fertility is quite low, because they only address few aspects of sperm quality and function.
Estabraq . , A Rasool1 +2 more
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Tellus A: Dynamic Meteorology and Oceanography, 1957 According to Biermann’s theory the repulsive force in comet tails is due to a corpuscular radiation from the sun. It is shown that some of the difficulties of this theory can be overcome if the assumed radiation consists of beams with a frozen-in magnetic field of the same type as required in the electric field theory of magnetic storms and aurorae ...
openaire +2 more sources
On the Formation of the Tails of Comets [PDF]
Scientific American, 1881 n ...
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Modelling the light-curve of KIC 12557548b: an extrasolar planet with a comet like tail
, 2013 An object with a very peculiar light-curve was discovered recently using Kepler data. Authors argue that this object may be a transiting disintegrating planet with a comet like dusty tail. We calculate the light-curves of stars with such planets and take
Batalha +58 more
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