Results 51 to 60 of about 17,962 (265)

Review on studies in natural background radiation

Radiation Protection and Environment, 2018
The environment around us is radioactive due to background radiation emitted from the sky, earth's crust, food, water, and building materials. The human body gets exposed to radiation doses of about 82%, which are out of control; they arise from ...
Abdu Hamoud Al-Khawlany, A R Khan, J M Pathan   +2 more
doaj   +1 more source

Plasmakristall‐4 Experiment: 10 Years of Operation in Orbit

Contributions to Plasma Physics, EarlyView.
ABSTRACT Plasmakristall‐4 (PK‐4) is a microgravity complex plasma laboratory operated for 10 years on board the International Space Station. Its main purpose is the particle‐resolved investigation of generic condensed matter phenomena using strongly coupled suspensions of microparticles immersed in low‐pressure gas‐discharge plasmas.
M. Pustylnik, H. M. Thomas, M. Kretschmer, M. Thoma   +3 more
wiley   +1 more source

Severity of effect considerations regarding the use of mutation as a toxicological endpoint for risk assessment: A report from the 8th International Workshop on Genotoxicity Testing (IWGT)

Environmental and Molecular Mutagenesis, EarlyView.
Abstract Exposure levels without appreciable human health risk may be determined by dividing a point of departure on a dose–response curve (e.g., benchmark dose) by a composite adjustment factor (AF). An “effect severity” AF (ESAF) is employed in some regulatory contexts.
Barbara L. Parsons, Marc A. Beal, Kerry L. Dearfield, George R. Douglas, Min Gi, B. Bhaskar Gollapudi, Robert H. Heflich, Katsuyoshi Horibata, Michelle Kenyon, Alexandra S. Long, David P. Lovell, Anthony M. Lynch, Meagan B. Myers, Stefan Pfuhler, Alisa Vespa, Andreas Zeller, George E. Johnson, Paul A. White   +17 more
wiley   +1 more source

Sexual dimorphism during integrative endocrine and immune responses to ionizing radiation in mice

Scientific Reports
Exposure to cosmic ionizing radiation is an innate risk of the spaceflight environment that can cause DNA damage and altered cellular function. In astronauts, longitudinal monitoring of physiological systems and interactions between these systems are ...
Marissa Burke, Kelly Wong, Yuli Talyansky, Siddhita D. Mhatre, Carol Mitchell, Cassandra M. Juran, Makaila Olson, Janani Iyer, Stephanie Puukila, Candice G. T. Tahimic, Lane K. Christenson, Moniece Lowe, Linda Rubinstein, Yasaman Shirazi-Fard, Marianne B. Sowa, Joshua S. Alwood, April E. Ronca, Amber M. Paul   +17 more
doaj   +1 more source

Personal radio use and risk of cancers among police officers in Great Britain: Results from the airwave health monitoring study

International Journal of Cancer, EarlyView.
What's New? Terrestrial trunked radio (TETRA) is the standard digital communication system used by police and other emergency services in Great Britain. During active use, TETRA emits radiofrequency electromagnetic fields, which are potentially carcinogenic in humans.
Chiara Di Gravio, Paul Elliott, David C. Muller   +2 more
wiley   +1 more source

Geochronology of the Whittlesey sedimentary succession, eastern England: The ‘Pompeii’ of the British late Middle Pleistocene to Holocene record

Journal of Quaternary Science, EarlyView.
Abstract The sedimentary succession at Whittlesey preserves a unique British late Middle Pleistocene to Holocene record back to a time equivalent to at least marine oxygen isotope stage 8 (ca. 250 ka). This study builds on previously published sedimentology, geochronology and palaeoecology results to establish 20 sedimentary facies associations, with ...
H. E. Langford, M. D. Bateman, R. M. Briant, D. J. Horne   +3 more
wiley   +1 more source

COSMIC TACHYON BACKGROUND RADIATION [PDF]

International Journal of Modern Physics A, 1999
The equilibrium statistical mechanics of a background radiation of superluminal particles is investigated, based on a vectorial wave equation for tachyons of the Proca type. The partition function, the spectral energy density, and the various thermodynamic variables of an ideal Bose gas of tachyons in an open Robertson–Walker cosmology are derived ...
openaire   +2 more sources

Mid‐Infrared Integrated Photonics: Material Platforms and Emerging Applications

Laser &Photonics Reviews, EarlyView.
Mid‐infrared (MIR) integrated photonics enables advanced chemical and biological sensing through the unique absorption features of molecules in the 2–20 µm range. This review highlights recent material advances such as chalcogenide glasses, silicon, and graphene and explores MIR applications in environmental monitoring, medical diagnostics ...
Muhammad Ali Butt, Daniel Pastor Abellán, Ryszard Piramidowicz   +2 more
wiley   +1 more source

Origin of cosmic radiation [PDF]

AIP Conference Proceedings, 2001
I give a brief overview of cosmic ray physics, highlighting some key questions and how they will be addressed by new experiments.
openaire   +2 more sources

Direct measurement of bidirectional turbulent fluxes of atmospheric cluster ions

Quarterly Journal of the Royal Meteorological Society, EarlyView.
First direct eddy covariance measurements of vertical turbulent fluxes of atmospheric cluster ions are presented. The net turbulent flux was mostly positive for negative cluster ions (net emission of negative ions) and mostly negative for positive cluster ions (net deposition of positive ions).
Luzie Kamecke, Anke C. Nölscher, Andreas Held   +2 more
wiley   +1 more source