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

Year Number of Results
1842 1
1849 1
1851 1
1852 1
1853 2
1854 3
1858 2
1859 3
1860 1
1862 2
1866 3
1868 1
1869 1
1870 2
1871 2
1874 1
1875 2
1876 2
1877 1
1878 2
1879 1
1880 2
1883 3
1884 1
1885 4
1886 5
1891 2
1892 1
1896 1
1898 1
1899 1
1901 3
1902 1
1903 2
1905 1
1907 2
1908 1
1909 2
1910 2
1912 1
1913 4
1914 4
1915 5
1916 4
1917 6
1918 14
1919 2
1920 1
1921 4
1922 4
1923 10
1924 8
1925 10
1926 7
1927 14
1928 17
1929 8
1930 5
1931 8
1932 9
1933 14
1934 9
1935 14
1936 9
1937 9
1938 5
1939 9
1940 7
1941 8
1942 12
1943 13
1944 5
1945 38
1946 116
1947 147
1948 236
1949 194
1950 139
1951 151
1952 138
1953 140
1954 140
1955 152
1956 462
1957 524
1958 369
1959 431
1960 364
1961 412
1962 488
1963 755
1964 1196
1965 935
1966 1010
1967 1303
1968 1610
1969 1848
1970 1830
1971 2358
1972 2566
1973 2576
1974 2752
1975 2787
1976 2608
1977 2358
1978 2196
1979 2295
1980 2205
1981 2003
1982 2238
1983 2196
1984 2436
1985 2300
1986 2416
1987 2265
1988 2358
1989 2449
1990 2533
1991 2727
1992 2699
1993 2752
1994 2754
1995 2865
1996 2852
1997 3021
1998 3104
1999 3131
2000 3285
2001 3247
2002 3306
2003 3354
2004 3484
2005 3897
2006 4216
2007 4411
2008 4520
2009 4735
2010 5083
2011 5490
2012 6063
2013 6092
2014 6282
2015 6294
2016 6238
2017 6351
2018 6529
2019 6759
2020 7657
2021 7739
2022 7593
2023 6654
2024 3404

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206,594 results

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Page 1
Urea.
Wang H, Ran J, Jiang T. Wang H, et al. Subcell Biochem. 2014;73:7-29. doi: 10.1007/978-94-017-9343-8_2. Subcell Biochem. 2014. PMID: 25298336 Review.
Urea is generated by the urea cycle enzymes, which are mainly in the liver but are also ubiquitously expressed at low levels in other tissues. ...New roles for urea in the urinary system, circulation system, respiratory system, digestive system, nervous syste …
Urea is generated by the urea cycle enzymes, which are mainly in the liver but are also ubiquitously expressed at low levels i …
Determination of urea with special emphasis on biosensors: A review.
Pundir CS, Jakhar S, Narwal V. Pundir CS, et al. Biosens Bioelectron. 2019 Jan 1;123:36-50. doi: 10.1016/j.bios.2018.09.067. Epub 2018 Sep 20. Biosens Bioelectron. 2019. PMID: 30308420 Review.
Hence, there is an urgent need of determination of urea in biological fluids to diagnose these diseases at their early stage. ...The biosensing methods overcome these drawbacks, as these are simple, fast, specific and highly sensitive and can also be applied for detection …
Hence, there is an urgent need of determination of urea in biological fluids to diagnose these diseases at their early stage. ...The …
Urea: diverse functions of a 'waste' product.
Withers PC. Withers PC. Clin Exp Pharmacol Physiol. 1998 Sep;25(9):722-7. doi: 10.1111/j.1440-1681.1998.tb02284.x. Clin Exp Pharmacol Physiol. 1998. PMID: 9750963 Review.
1. The urea cycle is essentially the simultaneous operation of two linear pathways, both primitive and widespread among animals; one is for arginine synthesis and the other is for arginine degradation to ornithine and urea. 2. All animals may have the genetic capaci …
1. The urea cycle is essentially the simultaneous operation of two linear pathways, both primitive and widespread among animals; one …
Xenobiotic-urea conjugates; chemical or biological?
Mitchell SC. Mitchell SC. Xenobiotica. 2014 Dec;44(12):1055-66. doi: 10.3109/00498254.2014.948948. Epub 2014 Aug 21. Xenobiotica. 2014. PMID: 25144804 Review.
Although the major pathways involved in drug metabolism have been elucidated, there remain those routes that may be considered as minor, esoteric, or even artifactual. 2. Conjugation with urea, an abundant, non-toxic, small water soluble molecule, is such a disputed and de …
Although the major pathways involved in drug metabolism have been elucidated, there remain those routes that may be considered as minor, eso …
Urea Derivatives in Modern Drug Discovery and Medicinal Chemistry.
Ghosh AK, Brindisi M. Ghosh AK, et al. J Med Chem. 2020 Mar 26;63(6):2751-2788. doi: 10.1021/acs.jmedchem.9b01541. Epub 2019 Dec 2. J Med Chem. 2020. PMID: 31789518 Free PMC article.
The urea functionality is inherent to numerous bioactive compounds, including a variety of clinically approved therapies. Urea containing compounds are increasingly used in medicinal chemistry and drug design in order to establish key drug-target interactions and fi …
The urea functionality is inherent to numerous bioactive compounds, including a variety of clinically approved therapies. Urea …
Recent developments in glycosyl urea synthesis.
McKay MJ, Nguyen HM. McKay MJ, et al. Carbohydr Res. 2014 Feb 19;385:18-44. doi: 10.1016/j.carres.2013.08.007. Epub 2013 Aug 19. Carbohydr Res. 2014. PMID: 24398301 Review.
The area of sugar urea derivatives has received considerable attention in recent years because of the unique structural properties and activities that these compounds display. ...While methods for installing the beta-urea-linkage at the anomeric center have been aro …
The area of sugar urea derivatives has received considerable attention in recent years because of the unique structural properties an …
Solvatochromism in urea/water and urea-derivative/water solutions.
Civera C , Del Valle JC , Elorza MA , Elorza B , Arias C , Díaz-Oliva C , Catalán J , García Blanco F . Civera C , et al. Phys Chem Chem Phys. 2020 Nov 21;22(43):25165-25176. doi: 10.1039/d0cp03816d. Epub 2020 Oct 30. Phys Chem Chem Phys. 2020. PMID: 33124623
This work reports the experimental measurements of solvent acidity (SA), basicity (SB), and solvent dipolarity and polarizability (SPP) for water solutions with urea (U) and its molecular derivatives, monomethyl-urea (MU), 1,3-dimethyl-urea (DMU) and tetramet …
This work reports the experimental measurements of solvent acidity (SA), basicity (SB), and solvent dipolarity and polarizability (SPP) for …
Anion recognition by oligo-(thio)urea-based receptors.
Jia C, Zuo W, Zhang D, Yang XJ, Wu B. Jia C, et al. Chem Commun (Camb). 2016 Jul 26;52(62):9614-27. doi: 10.1039/c6cc03761e. Chem Commun (Camb). 2016. PMID: 27352298 Review.
Typical examples of metal-coordination assisted and covalently connected oligo-(thio)urea receptors are summarized, with focus on geometry characteristics required for achieving complementary binding of a target anion. ...
Typical examples of metal-coordination assisted and covalently connected oligo-(thio)urea receptors are summarized, with focus on geo …
206,594 results
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