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Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1845 1
1896 1
1897 2
1898 1
1899 1
1901 1
1903 1
1905 2
1906 2
1907 2
1908 6
1909 3
1910 2
1911 5
1912 8
1913 7
1914 9
1915 4
1916 9
1917 15
1918 8
1919 8
1920 13
1921 11
1922 10
1923 5
1924 10
1925 11
1926 11
1927 3
1928 13
1929 9
1930 13
1931 4
1932 10
1933 15
1934 2
1935 9
1936 9
1937 7
1938 8
1939 13
1940 8
1941 9
1942 2
1943 2
1944 4
1945 6
1946 10
1947 10
1948 11
1949 20
1950 12
1951 15
1952 16
1953 25
1954 22
1955 19
1956 27
1957 16
1958 21
1959 35
1960 30
1961 29
1962 49
1963 62
1964 89
1965 85
1966 126
1967 126
1968 135
1969 177
1970 213
1971 224
1972 225
1973 233
1974 268
1975 2170
1976 2328
1977 2090
1978 2129
1979 2453
1980 2592
1981 2895
1982 3056
1983 3519
1984 3982
1985 4144
1986 4430
1987 4497
1988 4795
1989 6124
1990 6351
1991 6311
1992 6559
1993 6897
1994 7120
1995 7240
1996 7825
1997 7938
1998 8274
1999 8405
2000 8793
2001 9245
2002 9638
2003 10173
2004 10476
2005 11653
2006 12458
2007 12987
2008 13244
2009 13745
2010 14999
2011 16429
2012 18435
2013 19779
2014 20906
2015 21750
2016 22727
2017 22495
2018 22500
2019 22946
2020 26008
2021 28134
2022 26749
2023 24273
2024 8792

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508,235 results

Results by year

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Showing results for period one
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Timing in the Testis.
Bittman EL. Bittman EL. J Biol Rhythms. 2016 Feb;31(1):12-36. doi: 10.1177/0748730415618297. Epub 2015 Dec 8. J Biol Rhythms. 2016. PMID: 26656623 Review.
The testis provides not just one but several models of temporal organization. The complexity of its rhythmic function arises in part from its compartmentalization and diversity of cell types: not only does the testis produce gametes, but it also serves as the major source …
The testis provides not just one but several models of temporal organization. The complexity of its rhythmic function arises in part …
Concepts in chronopharmacology.
Reinberg AE. Reinberg AE. Annu Rev Pharmacol Toxicol. 1992;32:51-66. doi: 10.1146/annurev.pa.32.040192.000411. Annu Rev Pharmacol Toxicol. 1992. PMID: 1605576 Review.
In addition, chronopharmacology investigates drug effects on parameters (e.g. circadian period, peak time, amplitude, and adjusted mean) used to characterize biological rhythms. A better understanding of periodic and thus predictable changes in drug effects can be a …
In addition, chronopharmacology investigates drug effects on parameters (e.g. circadian period, peak time, amplitude, and adjusted me …
The ultradian clocks of eukaryotic microbes: timekeeping devices displaying a homeostasis of the period.
Kippert F. Kippert F. Chronobiol Int. 1997 Sep;14(5):469-79. doi: 10.3109/07420529709001469. Chronobiol Int. 1997. PMID: 9298283 Review.
Temperature compensation of their period is one of the canonical characteristics of circadian rhythms, yet it is not restricted to circadian rhythms. ...They have been observed mostly in unicellular organisms in which their constancy of period at different te …
Temperature compensation of their period is one of the canonical characteristics of circadian rhythms, yet it is not restricte …
Regulation of tissue regeneration by the circadian clock.
Ruby CL, Major RJ, Hinrichsen RD. Ruby CL, et al. Eur J Neurosci. 2021 Jun;53(11):3576-3597. doi: 10.1111/ejn.15244. Epub 2021 May 14. Eur J Neurosci. 2021. PMID: 33893679 Review.
Circadian rhythms are regulated by a highly conserved transcriptional/translational feedback loop that maintains approximately 24-hr periodicity from cellular to organismal levels. Much research effort is being devoted to understanding how the outputs of the master clock a …
Circadian rhythms are regulated by a highly conserved transcriptional/translational feedback loop that maintains approximately 24-hr peri …
Collective Oscillations in Coupled-Cell Systems.
Chen KW, Shih CW. Chen KW, et al. Bull Math Biol. 2021 Apr 23;83(6):62. doi: 10.1007/s11538-021-00883-7. Bull Math Biol. 2021. PMID: 33891190 Free PMC article.
We study the oscillatory properties for these systems and compare these properties between the model with Hill-type repression and the one with protein-sequestration-based repression. As the parameters move from the Hopf bifurcation value for single cells to the one …
We study the oscillatory properties for these systems and compare these properties between the model with Hill-type repression and the on …
Rhythmic entrainment as a musical affect induction mechanism.
J Trost W, Labbé C, Grandjean D. J Trost W, et al. Neuropsychologia. 2017 Feb;96:96-110. doi: 10.1016/j.neuropsychologia.2017.01.004. Epub 2017 Jan 7. Neuropsychologia. 2017. PMID: 28069444 Review.
One especially important feature of metrical music is that it contains periodicities that listeners' bodily rhythms can adapt to. ...
One especially important feature of metrical music is that it contains periodicities that listeners' bodily rhythms can adapt …
Complex dynamics in a synchronized cell-free genetic clock.
Aufinger L, Brenner J, Simmel FC. Aufinger L, et al. Nat Commun. 2022 May 23;13(1):2852. doi: 10.1038/s41467-022-30478-2. Nat Commun. 2022. PMID: 35606356 Free PMC article.
In the context of biological circadian clocks, such phenomena have been previously found in computational models, but their experimental study in biological systems has been challenging. Here, we present experimental evidence of period doubling in a forced cell-free geneti …
In the context of biological circadian clocks, such phenomena have been previously found in computational models, but their experimental stu …
Evidence for Internal Desynchrony Caused by Circadian Clock Resetting.
Nicholls SK, Casiraghi LP, Wang W, Weber ET, Harrington ME. Nicholls SK, et al. Yale J Biol Med. 2019 Jun 27;92(2):259-270. eCollection 2019 Jun. Yale J Biol Med. 2019. PMID: 31249487 Free PMC article. Review.
Circadian disruption has been linked to markers for poor health outcomes in humans and animal models. What is it about circadian disruption that is problematic? One hypothesis is that phase resetting of the circadian system, which occurs in response to changes in environme …
Circadian disruption has been linked to markers for poor health outcomes in humans and animal models. What is it about circadian disruption …
Amplitude of circadian rhythms becomes weaken in the north, but there is no cline in the period of rhythm in a beetle.
Abe MS, Matsumura K, Yoshii T, Miyatake T. Abe MS, et al. PLoS One. 2021 Jan 14;16(1):e0245115. doi: 10.1371/journal.pone.0245115. eCollection 2021. PLoS One. 2021. PMID: 33444354 Free PMC article.
Many species show rhythmicity in activity, from the timing of flowering in plants to that of foraging behavior in animals. The free-running periods and amplitude (sometimes called strength or power) of circadian rhythms are often used as indicators of biological clocks. .. …
Many species show rhythmicity in activity, from the timing of flowering in plants to that of foraging behavior in animals. The free-running …
Rhythms of immunity.
Płytycz B, Seljelid R. Płytycz B, et al. Arch Immunol Ther Exp (Warsz). 1997;45(2-3):157-62. Arch Immunol Ther Exp (Warsz). 1997. PMID: 9597081 Review.
The main regulator (a clock and a calendar) for daily and seasonal rhythms is the periodicity of the external light-darkness, reflected by the periodicity of melatonin secretion from the pineal gland, which is inhibited by light and induced during the darkness. In c …
The main regulator (a clock and a calendar) for daily and seasonal rhythms is the periodicity of the external light-darkness, reflect …
508,235 results
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