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
1894 1
1902 1
1905 1
1907 1
1912 1
1917 2
1923 1
1926 1
1927 1
1928 2
1929 1
1932 1
1934 1
1935 1
1940 1
1943 1
1945 2
1946 5
1947 13
1948 10
1949 10
1950 20
1951 26
1952 16
1953 19
1954 17
1955 30
1956 20
1957 24
1958 19
1959 25
1960 29
1961 30
1962 21
1963 27
1964 35
1965 42
1966 56
1967 46
1968 78
1969 75
1970 68
1971 68
1972 66
1973 111
1974 94
1975 267
1976 383
1977 411
1978 459
1979 442
1980 448
1981 479
1982 503
1983 594
1984 604
1985 687
1986 642
1987 722
1988 792
1989 962
1990 967
1991 1087
1992 1111
1993 1251
1994 1254
1995 1268
1996 1455
1997 1471
1998 1576
1999 1651
2000 1841
2001 1969
2002 2075
2003 2128
2004 2301
2005 2666
2006 2871
2007 3198
2008 3394
2009 3605
2010 3978
2011 4242
2012 4695
2013 4931
2014 5093
2015 5218
2016 5492
2017 5627
2018 5687
2019 6192
2020 6897
2021 7483
2022 7732
2023 7496
2024 2705

Text availability

Article attribute

Article type

Publication date

Search Results

119,152 results

Results by year

Filters applied: . Clear all
Page 1
Recent progress toward developing axial chirality bioactive compounds.
Wang Z, Meng L, Liu X, Zhang L, Yu Z, Wu G. Wang Z, et al. Eur J Med Chem. 2022 Dec 5;243:114700. doi: 10.1016/j.ejmech.2022.114700. Epub 2022 Aug 28. Eur J Med Chem. 2022. PMID: 36058089 Review.
Atropisomers are stereoisomers with axial chirality arising from restricted rotation around a single bond. Lots of representatives of this class of axially chiral compounds exhibit remarkable biological properties for protein targets. ...
Atropisomers are stereoisomers with axial chirality arising from restricted rotation around a single bond. Lots of representatives of …
Axial-to-central chirality transfer in cyclization processes.
Campolo D, Gastaldi S, Roussel C, Bertrand MP, Nechab M. Campolo D, et al. Chem Soc Rev. 2013 Nov 7;42(21):8434-66. doi: 10.1039/c3cs60182j. Epub 2013 Aug 6. Chem Soc Rev. 2013. PMID: 23921426 Review.
Substrates, bearing axial chirality, can cyclize intra- or inter-molecularly with concomitant transfer of axial-to-central chirality to produce at least one stereocenter. In order to satisfy a strict definition of axial-to-central chirality transfer, the init …
Substrates, bearing axial chirality, can cyclize intra- or inter-molecularly with concomitant transfer of axial-to-central chi …
Construction of Axially Chiral Compounds via Central-to-Axial Chirality Conversion.
Yang H, Chen J, Zhou L. Yang H, et al. Chem Asian J. 2020 Oct 1;15(19):2939-2951. doi: 10.1002/asia.202000681. Epub 2020 Aug 28. Chem Asian J. 2020. PMID: 32755013 Review.
Central-to-axial chirality conversion represents a fascinating class of chemical processes consisting of the destruction of stereogenic centers and the simultaneous installation of axial chiral elements, which provides efficient methods for the preparation of axi
Central-to-axial chirality conversion represents a fascinating class of chemical processes consisting of the destruction of stereogen …
Supratentorial extra-axial anaplastic ependymoma: a rare case report.
Osman AM, Çiftçi U, Sever N. Osman AM, et al. Ann Med Surg (Lond). 2023 Sep 5;85(11):5634-5640. doi: 10.1097/MS9.0000000000000536. eCollection 2023 Nov. Ann Med Surg (Lond). 2023. PMID: 37915672 Free PMC article.
Histopathological examination revealed supratentorial extra-axial anaplastic ependymoma. The patient received postoperative radiation therapy (54 Gray over 30 fractions). No recurrence of the tumor was observed during the 4-year follow-up. DISCUSSION: Supratentorial ependy …
Histopathological examination revealed supratentorial extra-axial anaplastic ependymoma. The patient received postoperative radiation …
Axial Stress Measurement of Steel Tubes Using Ultrasonic Guided Waves.
Zhu S, Xu X, Han J, Luo Y. Zhu S, et al. Sensors (Basel). 2022 Apr 19;22(9):3111. doi: 10.3390/s22093111. Sensors (Basel). 2022. PMID: 35590812 Free PMC article.
Axially loaded steel tubes are widely used as primary structural members in civil engineering structures. ...Via this study, the guided wave-based stress measurement method has been successfully extended to axially loaded steel tubes....
Axially loaded steel tubes are widely used as primary structural members in civil engineering structures. ...Via this study, the guid
Histological changes of high axial myopia.
Jonas JB, Xu L. Jonas JB, et al. Eye (Lond). 2014 Feb;28(2):113-7. doi: 10.1038/eye.2013.223. Epub 2013 Oct 11. Eye (Lond). 2014. PMID: 24113300 Free PMC article. Review.
To describe pathological changes in the anatomy of highly myopic (axially elongated) eyes, enucleated globes were examined by light microscopy and ocular structures were measured histomorphometrically. ...These anatomical changes may be associated with high axial my …
To describe pathological changes in the anatomy of highly myopic (axially elongated) eyes, enucleated globes were examined by light m …
Enhancing the axial resolution of two-photon imaging.
Sun S, He M, Zhang Z, Wang W, Yang X, Kuang C, Liu X. Sun S, et al. Appl Opt. 2019 Jun 20;58(18):4892-4897. doi: 10.1364/AO.58.004892. Appl Opt. 2019. PMID: 31503805
An axial-resolution-enhanced two-photon laser scanning microscopy system is presented in this paper. ...The final quality-enhanced images are acquired by subtracting the two consecutive images acquired by the original PSF and the split PSF. Because of the fluorescence diff …
An axial-resolution-enhanced two-photon laser scanning microscopy system is presented in this paper. ...The final quality-enhanced im …
Simultaneous axial and radial swelling studies from 2D stereozoom images of tablet compacts composed of superdisintegrants.
Arora S, Sangwan A, Kaur H, Singh J. Arora S, et al. J Microsc. 2022 Oct;288(1):16-27. doi: 10.1111/jmi.13138. Epub 2022 Sep 6. J Microsc. 2022. PMID: 35919950
All predicted axial and radial lengths (as per proposed hypothesis) are found validated with respect to vernier calliper measurements for dry-tablet compacts with a minute error of 3.809%. The axial swelling is approximately fivefolds more than that of radial swelli …
All predicted axial and radial lengths (as per proposed hypothesis) are found validated with respect to vernier calliper measurements …
Central-to-Axial Chirality: Asymmetric Organocatalytic Synthesis of Axially Chiral Chalcones via Exocyclic Dihydronaphthalenes.
Yadav A, Gill M, Singh VK. Yadav A, et al. Org Lett. 2023 Jul 7;25(26):4813-4818. doi: 10.1021/acs.orglett.3c01413. Epub 2023 Jun 26. Org Lett. 2023. PMID: 37358288
Asymmetric synthesis of an unprecedented exocyclic dihydronaphthalene and an axially chiral naphthalene chalcone has been disclosed. Good to excellent asymmetric induction is achieved. The success is attributed to the unusual formation of exocyclic dihydronaphthalene, whic …
Asymmetric synthesis of an unprecedented exocyclic dihydronaphthalene and an axially chiral naphthalene chalcone has been disclosed. …
Photoinduced Cobalt-Catalyzed Desymmetrization of Dialdehydes to Access Axial Chirality.
Jiang H, He XK, Jiang X, Zhao W, Lu LQ, Cheng Y, Xiao WJ. Jiang H, et al. J Am Chem Soc. 2023 Mar 29;145(12):6944-6952. doi: 10.1021/jacs.3c00462. Epub 2023 Mar 15. J Am Chem Soc. 2023. PMID: 36920031
Although many impressive synthetic approaches have been developed to access central chirality, the construction of axial chirality by metallaphotoredox catalysis still remains underexplored. Herein, we report two visible light-induced cobalt-catalyzed asymmetric reductive …
Although many impressive synthetic approaches have been developed to access central chirality, the construction of axial chirality by …
119,152 results
You have reached the last available page of results. Please see the User Guide for more information.