Results 251 to 260 of about 1,086,533 (280)
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Physica A: Statistical Mechanics and its Applications, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Eliazar, Iddo, Shlesinger, Michael F.
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zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Eliazar, Iddo, Shlesinger, Michael F.
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Proceedings of the 2018 ACM SIGSAC Conference on Computer and Communications Security, 2018
Physical device fingerprinting exploits hardware features to uniquely identify a machine. This technique has been used for authentication, license binding, or attackers identification, among other tasks. More recently, hardware features have also been introduced to identify web users and perform web tracking.
Iskander Sanchez-Rola +2 more
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Physical device fingerprinting exploits hardware features to uniquely identify a machine. This technique has been used for authentication, license binding, or attackers identification, among other tasks. More recently, hardware features have also been introduced to identify web users and perform web tracking.
Iskander Sanchez-Rola +2 more
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Digestive Diseases and Sciences, 1983
Periodic activity of the digestive tract is now a well-recognized phenomenon. Some years ago, it was proposed that this was controlled by a single "clock" at a distance from the gut, but subsequent study has shown that this explanation was inadequate. "Black box" analysis of available data suggests a new model which requires multiple clocks; this model
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Periodic activity of the digestive tract is now a well-recognized phenomenon. Some years ago, it was proposed that this was controlled by a single "clock" at a distance from the gut, but subsequent study has shown that this explanation was inadequate. "Black box" analysis of available data suggests a new model which requires multiple clocks; this model
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Trends in Neurosciences, 1997
The main questions in circadian neurobiology are: how many oscillators are involved; how are their daily oscillations generated and synchronized to the external world; and how do they signal time of day to the organism. The suprachiasmatic nuclei of the hypothalamus (SCN) are well established as the principal circadian oscillator of mammals.
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The main questions in circadian neurobiology are: how many oscillators are involved; how are their daily oscillations generated and synchronized to the external world; and how do they signal time of day to the organism. The suprachiasmatic nuclei of the hypothalamus (SCN) are well established as the principal circadian oscillator of mammals.
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Nature, 2006
Many objects and events, such as cities, firms and internet hubs, scale with size in the upper tails of their distributions. Despite intense interest in using power laws to characterize such distributions, most analyses have been concerned with observations at a single instant of time, with little analysis of objects or events that change in size ...
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Many objects and events, such as cities, firms and internet hubs, scale with size in the upper tails of their distributions. Despite intense interest in using power laws to characterize such distributions, most analyses have been concerned with observations at a single instant of time, with little analysis of objects or events that change in size ...
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Evolutionary Anthropology: Issues, News, and Reviews, 2018
AbstractRecent research has revealed clock‐like patterns of epigenetic change across the life span in humans. Models describing these epigenetic changes have been dubbed “epigenetic clocks,” and they can not only predict chronological age but also reveal biological age, which measures physiological homeostasis and deterioration over the life span ...
Elaine E. Guevara, Richard R. Lawler
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AbstractRecent research has revealed clock‐like patterns of epigenetic change across the life span in humans. Models describing these epigenetic changes have been dubbed “epigenetic clocks,” and they can not only predict chronological age but also reveal biological age, which measures physiological homeostasis and deterioration over the life span ...
Elaine E. Guevara, Richard R. Lawler
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Science, 2016
How smudged crystals offer windows into a volcano's eruptive past.
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How smudged crystals offer windows into a volcano's eruptive past.
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The Journal of Organic Chemistry, 2006
A series of peroxyl radical clocks has been developed and calibrated based on the competition between the unimolecular beta-fragmentation (k(beta)) of a peroxyl radical and its bimolecular reaction with a hydrogen atom donor (k(H)). These clocks are based on either methyl linoleate or allylbenzene and were calibrated directly with alpha-tocopherol or ...
B. ROSCHEK +6 more
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A series of peroxyl radical clocks has been developed and calibrated based on the competition between the unimolecular beta-fragmentation (k(beta)) of a peroxyl radical and its bimolecular reaction with a hydrogen atom donor (k(H)). These clocks are based on either methyl linoleate or allylbenzene and were calibrated directly with alpha-tocopherol or ...
B. ROSCHEK +6 more
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Melatonin: A Clock‐Output, A Clock‐Input
Journal of Neuroendocrinology, 2003AbstractIn mammals, the circadian system is comprised of three major components: the lateral eyes, the hypothalamic suprachiasmatic nucleus (SCN) and the pineal gland. The SCN harbours the endogenous oscillator that is entrained every day to the ambient lighting conditions via retinal input.
J H, Stehle, C, von Gall, H-W, Korf
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Circadian clocks: Not your grandfather’s clock
Science, 2016The last 20 years have seen the rapid evolution of our understanding of the molecular genes and networks that enable almost all forms of life to generate 24-hour—or circadian—rhythms. One finding has been particularly exciting: that the molecular circadian clock resides in almost all of the cells of the body and that the clock regulates the timing of ...
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