Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Results by year

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

Year Number of Results
1946 1
1947 1
1951 2
1952 1
1953 1
1954 1
1956 3
1959 1
1960 1
1961 2
1962 3
1963 2
1964 1
1965 1
1966 5
1967 1
1968 3
1969 2
1970 6
1971 3
1972 7
1973 8
1974 8
1975 11
1976 13
1977 20
1978 19
1979 18
1980 33
1981 28
1982 35
1983 26
1984 49
1985 51
1986 57
1987 53
1988 80
1989 116
1990 149
1991 199
1992 215
1993 289
1994 332
1995 373
1996 452
1997 518
1998 591
1999 611
2000 772
2001 838
2002 920
2003 1131
2004 1455
2005 3381
2006 4233
2007 4795
2008 5436
2009 5973
2010 6572
2011 7543
2012 8153
2013 8889
2014 9373
2015 10008
2016 9090
2017 9290
2018 11594
2019 12767
2020 14360
2021 15897
2022 16743
2023 15514
2024 6034

Text availability

Article attribute

Article type

Publication date

Search Results

172,354 results

Results by year

Filters applied: . Clear all
Page 1
Comparison of BRCA versus non-BRCA germline mutations and associated somatic mutation profiles in patients with unselected breast cancer.
Chen B, Zhang G, Li X, Ren C, Wang Y, Li K, Mok H, Cao L, Wen L, Jia M, Li C, Guo L, Wei G, Lin J, Li Y, Zhang Y, Han-Zhang H, Liu J, Lizaso A, Liao N. Chen B, et al. Aging (Albany NY). 2020 Feb 24;12(4):3140-3155. doi: 10.18632/aging.102783. Epub 2020 Feb 24. Aging (Albany NY). 2020. PMID: 32091409 Free PMC article.
In addition, LP/P germline mutations were detected in other genes including MUTYH (n=4), PALB2 (n=4), ATM (n=3), BRIP1 (n=3), CDH1 (n=3), RAD51C (n=3), CHEK2 (n=2), FANCA (n=2), PMS2 (n=2), TP53 (n=2), FANCI ( …
In addition, LP/P germline mutations were detected in other genes including MUTYH (n=4), PALB2 (n=4), ATM (n=3), BRIP1 …
Risk factors for kidney stone disease recurrence: a comprehensive meta-analysis.
Wang K, Ge J, Han W, Wang D, Zhao Y, Shen Y, Chen J, Chen D, Wu J, Shen N, Zhu S, Xue B, Xu X. Wang K, et al. Among authors: chen j, chen d. BMC Urol. 2022 Apr 19;22(1):62. doi: 10.1186/s12894-022-01017-4. BMC Urol. 2022. PMID: 35439979 Free PMC article.
RESULTS: The pooled results indicated that 12 risk factors including younger age (n = 18), higher BMI (n = 16), family history of kidney stones (n = 12), personal history of kidney stones (n = 11), hypertension (n = 5), uric acid stone (n …
RESULTS: The pooled results indicated that 12 risk factors including younger age (n = 18), higher BMI (n = 16), family history …
Bis{mu-N-[(dimethyl-amino)-dimethyl-sil-yl]-2,6-dimethyl-anilido}-kappaN:N';kappaN':N-dicopper(I).
Chen J. Chen J. Acta Crystallogr Sect E Struct Rep Online. 2010 Oct 30;66(Pt 11):m1472. doi: 10.1107/S1600536810042881. Acta Crystallogr Sect E Struct Rep Online. 2010. PMID: 21588888 Free PMC article.
The bidentate ligand behaves in an N:N'-bridging mode, coordinating the metal atoms. The N-Cu-N unit is close to being linear [176.60 (8)]. The two N atoms exhibit different affinities for the metal atom. The Cu-N(amino) bond is longer th …
The bidentate ligand behaves in an N:N'-bridging mode, coordinating the metal atoms. The N-Cu-N unit is close to …
Chloridobis{N-[(dimethyl-amino)-dimethyl-sil-yl]-2,6-dimethyl-anilido-kappaN,N'}titanium(III).
Chen J. Chen J. Acta Crystallogr Sect E Struct Rep Online. 2010 Jul 3;66(Pt 8):m866. doi: 10.1107/S1600536810025092. Acta Crystallogr Sect E Struct Rep Online. 2010. PMID: 21588115 Free PMC article.
In the monomeric title titanium(III) compound, [Ti(C(12)H(21)N(2)Si)(2)Cl], the metal atom is surrounded by two N-silylated anilide ligands in an N,N''-chelating mode. ...The Ti-N(amine) bond is longer than the Ti-N(anilide) bond by about …
In the monomeric title titanium(III) compound, [Ti(C(12)H(21)N(2)Si)(2)Cl], the metal atom is surrounded by two N-silylated an …
Copper-catalyzed C-N Bond Cleavage: Synthesis of N-sulfonylformamidines from N-(2-pyridinylmethyl)benzenesulfonamides.
Wang X, Zhao Q, Fang Y, Cai M, Chen Y, Dai L. Wang X, et al. Among authors: chen y. Curr Org Synth. 2022;19(7):797-807. doi: 10.2174/1570179419666220408000751. Curr Org Synth. 2022. PMID: 35400320
A broad range of N-sulfonyformamidines, widely used intermediates for drugs, were synthesized in moderate to excellent yields from 2-Pyridinemethanamine as N-source via Coppercatalyzed C-N cleavage. ...Then the reaction conditions of N-(2-pyridinylmeth …
A broad range of N-sulfonyformamidines, widely used intermediates for drugs, were synthesized in moderate to excellent yields from 2- …
Bis(acetato-kappaO)[N,N,N',N'-tetra-methyl-ethane-1,2-diamine-kappaN,N']copper(II).
Slootweg JC, Chen P. Slootweg JC, et al. Among authors: chen p. Acta Crystallogr Sect E Struct Rep Online. 2008 Jan 30;64(Pt 2):m430-1. doi: 10.1107/S1600536808002584. Acta Crystallogr Sect E Struct Rep Online. 2008. PMID: 21201373 Free PMC article.
In the title compound, [Cu(C(2)H(3)O(2))(2)(C(6)H(16)N(2))], the Cu(II) atom is coordinated by two N atoms from the chelating N,N,N',N'-tetra-methyl-ethane-1,2-diamine ligand and two O atoms from two acetate anions in a distorted square-p …
In the title compound, [Cu(C(2)H(3)O(2))(2)(C(6)H(16)N(2))], the Cu(II) atom is coordinated by two N atoms from the chelating …
Bis{N-[(diethyl-amino)-dimethyl-sil-yl]anilinido-kappa(2)N,N'}nickel(II).
Chen J, Li J. Chen J, et al. Acta Crystallogr Sect E Struct Rep Online. 2012 Apr 1;68(Pt 4):m357. doi: 10.1107/S1600536812008550. Epub 2012 Mar 3. Acta Crystallogr Sect E Struct Rep Online. 2012. PMID: 22589756 Free PMC article.
The mononuclear Ni(II) amide, [Ni(C(12)H(21)N(2)Si)(2)], has the Ni(II) atom N,N'-chelated by the N-silylated anilinide ligands. The ligands are arranged cis to each other and obey the C(2)-symmetry operation. The two ends of the N-Si-N c …
The mononuclear Ni(II) amide, [Ni(C(12)H(21)N(2)Si)(2)], has the Ni(II) atom N,N'-chelated by the N-silylated an …
Global reactive nitrogen loss in orchard systems: A review.
Zhao H, Lakshmanan P, Wang X, Xiong H, Yang L, Liu B, Shi X, Chen X, Wang J, Zhang Y, Zhang F. Zhao H, et al. Among authors: chen x. Sci Total Environ. 2022 May 15;821:153462. doi: 10.1016/j.scitotenv.2022.153462. Epub 2022 Jan 29. Sci Total Environ. 2022. PMID: 35093357 Review.
The apparent N balance of the global orchard system reached 68.4% of N input. ...N application increased fruit yield, but excessive N input reduced the net fruit N removal (FNR). ...
The apparent N balance of the global orchard system reached 68.4% of N input. ...N application increased fruit yield, b …
Chlorido{N-[(diethyl-amino)-dimethyl-sil-yl]anilido-kappaN}(N,N,N',N'-tetra-methyl-ethane-1,2-diamine-kappa(2) N,N')iron(II).
Chen J. Chen J. Acta Crystallogr Sect E Struct Rep Online. 2012 Dec 1;68(Pt 12):m1444. doi: 10.1107/S1600536812044741. Epub 2012 Nov 3. Acta Crystallogr Sect E Struct Rep Online. 2012. PMID: 23468676 Free PMC article.
In the title iron(II) complex, [Fe(C12H21N2Si)Cl(C6H16N2)], the Fe(II) cation is coordinated by two N atoms from the tetramethylethane-1,2-diamine ligand [Fe-N = 2.191 (5) and 2.215 (4) A], one N atom from the N-[(diethyl-amino)-dimethyl-sil-yl]anilide …
In the title iron(II) complex, [Fe(C12H21N2Si)Cl(C6H16N2)], the Fe(II) cation is coordinated by two N atoms from the tetramethylethan …
Enhancing N uptake and reducing N pollution via green, sustainable N fixation-release model.
Gou Z, Liu G, Wang Y, Li X, Wang H, Chen S, Su Y, Sun Y, Ma NL, Chen G. Gou Z, et al. Among authors: chen s, chen g. Environ Res. 2022 Nov;214(Pt 4):113934. doi: 10.1016/j.envres.2022.113934. Epub 2022 Aug 24. Environ Res. 2022. PMID: 36027962
Improving N fertilizer utilization efficiency and plant uptake is an alternative for N fertilizers overuses. ...Altogether, the model promotes N utilization by plants, improves the soil environment, and reduces N pollution....
Improving N fertilizer utilization efficiency and plant uptake is an alternative for N fertilizers overuses. ...Altogether, th …
172,354 results
You have reached the last available page of results. Please see the User Guide for more information.