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 Custom Filters

Edit custom filters

Results by year

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

Year Number of Results
1911 1
1913 1
1914 1
1917 1
1920 1
1922 1
1924 1
1931 2
1933 1
1934 1
1943 1
1944 2
1945 60
1946 149
1947 86
1948 68
1949 41
1950 94
1951 83
1952 105
1953 76
1954 86
1955 68
1956 73
1957 74
1958 58
1959 59
1960 68
1961 83
1962 86
1963 99
1964 107
1965 84
1966 21
1967 39
1968 47
1969 38
1970 38
1971 47
1972 60
1973 94
1974 88
1975 251
1976 226
1977 243
1978 340
1979 495
1980 514
1981 515
1982 567
1983 654
1984 717
1985 685
1986 649
1987 784
1988 928
1989 1063
1990 1150
1991 1162
1992 1204
1993 1300
1994 1287
1995 1487
1996 1631
1997 1472
1998 1582
1999 1760
2000 1946
2001 2225
2002 2457
2003 2483
2004 2862
2005 3164
2006 3675
2007 4134
2008 4306
2009 4200
2010 4646
2011 4958
2012 5327
2013 5199
2014 5028
2015 5110
2016 5168
2017 5362
2018 5879
2019 5802
2020 5860
2021 5153
2022 3933
2023 3676
2024 4754
2025 7019
2026 5819
2027 1

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

131,320 results

Results by year

Filters applied: . Clear all
Page 1
[Standard operating procedure for microscopic tooth preparation].
Society of Prosthodontics, Chinese Stomatological Association. Society of Prosthodontics, Chinese Stomatological Association. Zhonghua Kou Qiang Yi Xue Za Zhi. 2021 Apr 9;56(4):318-323. doi: 10.3760/cma.j.cn112144-20210225-00089. Zhonghua Kou Qiang Yi Xue Za Zhi. 2021. PMID: 33832031 Chinese.
Tooth preparation is the primary and core operation technique for prosthodontics. Microscopic tooth preparation can improve the accuracy and efficiency of the operation. Experts from Society of Prosthodontics, Chinese Stomatological Association formulated the sta
Tooth preparation is the primary and core operation technique for prosthodontics. Microscopic tooth preparation can improve th …
Preparation of a phosphotyrosine-protein standard for use in semiquantitative western blotting with enhanced chemiluminescence.
Kendrick N, Powers G, Johansen J, Hoelter M, Koll A, Carlson S, Channaveerappa D, Darie CC. Kendrick N, et al. PLoS One. 2020 Jun 18;15(6):e0234645. doi: 10.1371/journal.pone.0234645. eCollection 2020. PLoS One. 2020. PMID: 32555693 Free PMC article.
Presentation of results by comparing WB images, however, is wanting. Here we describe the preparation of a new pTyr-protein standard, pTyr-ALK48-SB (pA), derived from a commercial anaplastic lymphoma kinase (ALK) recombinant fragment, and its use to quantify pTyr-ep …
Presentation of results by comparing WB images, however, is wanting. Here we describe the preparation of a new pTyr-protein standa
(16)O/(18)O- exchange internal standard preparation enhancing reliability of bio-sample natural bioactive compounds absolute quantitation.
Ling-Fei K, Yu-Nan C, Pan Y, Tuo Q, Xin-Tang W, Rui-Qi L, Xiao-Juan R, Cai T. Ling-Fei K, et al. J Chromatogr B Analyt Technol Biomed Life Sci. 2023 Mar 15;1219:123651. doi: 10.1016/j.jchromb.2023.123651. Epub 2023 Feb 26. J Chromatogr B Analyt Technol Biomed Life Sci. 2023. PMID: 36863167
In this study, a fast, convenient, widely adopting (16)O/(18)O exchange reaction was optimized for stable, available, affordable NBCs (18)O-labeled standards preparation. With (18)O- labeled internal standard, a UPLC-MRM-based NBCs pharmacokinetics analysis s …
In this study, a fast, convenient, widely adopting (16)O/(18)O exchange reaction was optimized for stable, available, affordable NBCs (18)O- …
Preparation, calibration and evaluation of the First International Standard for human C-peptide.
Moore M, Dougall T, Ferguson J, Rigsby P, Burns C. Moore M, et al. Clin Chem Lab Med. 2017 Jul 26;55(8):1224-1233. doi: 10.1515/cclm-2017-0029. Clin Chem Lab Med. 2017. PMID: 28593916 Free article.
BACKGROUND: Measurement of C-peptide by immunoassay contributes to the diagnosis of a number of disorders related to beta cell function. Stocks of the current international reference reagent (IRR) for C-peptide, used to calibrate these immunoassays, are exhausted, and this …
BACKGROUND: Measurement of C-peptide by immunoassay contributes to the diagnosis of a number of disorders related to beta cell function. Sto …
Joint WHO/EDQM Collaborative study for the establishment of WHO 3(rd) International Standard and Ph. Eur. Biological Reference Preparation for Prekallikrein activator in albumin batch 7.
Fox B, Regourd E, Rigsby P, Longstaff C, Terao E. Fox B, et al. Pharmeur Bio Sci Notes. 2024;2024:106-126. Pharmeur Bio Sci Notes. 2024. PMID: 39010792
An international collaborative study was jointly organised by the World Health Organization (WHO) and the European Directorate for the Quality of Medicines & HealthCare (EDQM) to establish the WHO 3(rd) International Standard (IS) for Prekallikrein activator (PKA) and …
An international collaborative study was jointly organised by the World Health Organization (WHO) and the European Directorate for the Quali …
International standard for hyaluronidase.
HUMPHREY JH. HUMPHREY JH. Bull World Health Organ. 1957;16(2):291-4. Bull World Health Organ. 1957. PMID: 13426760 Free PMC article.
The International Standard for Hyaluronidase is derived from a blend of four batches of bovine testicular hyaluronidase which had been purified so as to contain approximately 400 units per milligram. ...On the basis of this examination, the International Unit for hyaluroni …
The International Standard for Hyaluronidase is derived from a blend of four batches of bovine testicular hyaluronidase which had bee …
Calibration of replacement international standard and European Pharmacopoeia Biological Reference Preparation for Diphtheria Toxoid, Adsorbed.
Sesardic D, Winsnes R, Rigsby P, Gaines-Das R. Sesardic D, et al. Biologicals. 2001 Jun;29(2):107-22. doi: 10.1006/biol.2001.0282. Biologicals. 2001. PMID: 11580215
The replacement standard preparation was found to have a unitage of 160 IU/ampoule on the basis of its calibration by in vivo bioassay. ...The same preparation was also established as the second Ph Eur Biological Reference Preparation (Ph Eur BR …
The replacement standard preparation was found to have a unitage of 160 IU/ampoule on the basis of its calibration by in vivo …
A global standard for anti-D immunoglobulin: international collaborative study to evaluate a candidate preparation.
Thorpe SJ, Sands D, Fox B, Behr-Gross ME, Schäffner G, Yu MW. Thorpe SJ, et al. Vox Sang. 2003 Nov;85(4):313-21. doi: 10.1111/j.0042-9007.2003.00367.x. Vox Sang. 2003. PMID: 14633258
BACKGROUND AND OBJECTIVES: The aim of the study was to evaluate a lyophilized anti-D immunoglobulin preparation to serve as a global standard for potency assays of anti-D immunoglobulin products. MATERIALS AND METHODS: The candidate global standard, 01/572, w …
BACKGROUND AND OBJECTIVES: The aim of the study was to evaluate a lyophilized anti-D immunoglobulin preparation to serve as a global …
WHO international standard for anti-rubella: learning from its application.
Kempster SL, Almond N, Dimech W, Grangeot-Keros L, Huzly D, Icenogle J, El Mubarak HS, Mulders MN, Nübling CM. Kempster SL, et al. Lancet Infect Dis. 2020 Jan;20(1):e17-e19. doi: 10.1016/S1473-3099(19)30274-9. Epub 2019 Sep 6. Lancet Infect Dis. 2020. PMID: 31501007 Review.
The WHO international standard for anti-rubella was first established in the 1960s when clinical diagnostics were in their infancy. ...WHO convened a meeting of experts in the rubella field to discuss the use of RUBI-1-94 and the potential future role of this international …
The WHO international standard for anti-rubella was first established in the 1960s when clinical diagnostics were in their infancy. . …
A simple and rapid method for standard preparation of gas phase extract of cigarette smoke.
Higashi T, Mai Y, Noya Y, Horinouchi T, Terada K, Hoshi A, Nepal P, Harada T, Horiguchi M, Hatate C, Kuge Y, Miwa S. Higashi T, et al. PLoS One. 2014 Sep 17;9(9):e107856. doi: 10.1371/journal.pone.0107856. eCollection 2014. PLoS One. 2014. PMID: 25229830 Free PMC article.
Cigarette smoke consists of tar and gas phase: the latter is toxicologically important because it can pass through lung alveolar epithelium to enter the circulation. Here we attempt to establish a standard method for preparation of gas phase extract of cigarette smo …
Cigarette smoke consists of tar and gas phase: the latter is toxicologically important because it can pass through lung alveolar epithelium …
131,320 results
You have reached the last available page of results. Please see the User Guide for more information.