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
1958 2
1975 2
1977 1
1979 1
1980 1
1981 2
1982 2
1983 2
1984 1
1985 1
1987 2
1988 4
1990 3
1991 3
1992 2
1993 1
1994 1
1996 1
1997 1
1998 1
1999 1
2001 1
2004 1
2005 2
2006 1
2007 4
2008 2
2009 2
2010 1
2011 4
2012 6
2013 12
2014 22
2015 23
2016 25
2017 35
2018 39
2019 37
2020 24
2021 23
2022 20
2023 19
2024 6

Text availability

Article attribute

Article type

Publication date

Search Results

333 results

Results by year

Filters applied: . Clear all
Page 1
Oral Nirmatrelvir for High-Risk, Nonhospitalized Adults with Covid-19.
Hammond J, Leister-Tebbe H, Gardner A, Abreu P, Bao W, Wisemandle W, Baniecki M, Hendrick VM, Damle B, Simón-Campos A, Pypstra R, Rusnak JM; EPIC-HR Investigators. Hammond J, et al. N Engl J Med. 2022 Apr 14;386(15):1397-1408. doi: 10.1056/NEJMoa2118542. Epub 2022 Feb 16. N Engl J Med. 2022. PMID: 35172054 Free PMC article. Clinical Trial.
Rivaroxaban or Aspirin for Extended Treatment of Venous Thromboembolism.
Weitz JI, Lensing AWA, Prins MH, Bauersachs R, Beyer-Westendorf J, Bounameaux H, Brighton TA, Cohen AT, Davidson BL, Decousus H, Freitas MCS, Holberg G, Kakkar AK, Haskell L, van Bellen B, Pap AF, Berkowitz SD, Verhamme P, Wells PS, Prandoni P; EINSTEIN CHOICE Investigators. Weitz JI, et al. N Engl J Med. 2017 Mar 30;376(13):1211-1222. doi: 10.1056/NEJMoa1700518. Epub 2017 Mar 18. N Engl J Med. 2017. PMID: 28316279 Free article. Clinical Trial.
Primary tumor-derived systemic nANGPTL4 inhibits metastasis.
Hübers C, Abdul Pari AA, Grieshober D, Petkov M, Schmidt A, Messmer T, Heyer CM, Schölch S, Kapel SS, Gengenbacher N, Singhal M, Schieb B, Fricke C, Will R, Remans K, Utikal JS, Reissfelder C, Schlesner M, Hodivala-Dilke KM, Kersten S, Goerdt S, Augustin HG, Felcht M. Hübers C, et al. J Exp Med. 2023 Jan 2;220(1):e20202595. doi: 10.1084/jem.20202595. Epub 2022 Oct 21. J Exp Med. 2023. PMID: 36269299 Free PMC article.
Beta-thalassemia in Bulgaria.
Petkov GH, Efremov GD, Efremov DG, Dimovski A, Tchaicarova P, Tchaicarov R, Rogina B, Agarwal S, Kutlar A, Kutlar F, et al. Petkov GH, et al. Hemoglobin. 1990;14(1):25-33. doi: 10.3109/03630269009002252. Hemoglobin. 1990. PMID: 2200762 Review.
Analyses of DNA from 64 patients with thalassemia major using the hybridization technique of amplified DNA with radiolabeled synthetic oligonucleotide probes identified 13 different beta-thalassemia mutations. The codon 39 (C----T) and IVS-I-110 (G----A) mutations occurred …
Analyses of DNA from 64 patients with thalassemia major using the hybridization technique of amplified DNA with radiolabeled synthetic oligo …
Interaction of Na+, K+, Mg2+ and Ca2+ counter cations with RNA.
Kolev SK, Petkov PS, Rangelov MA, Trifonov DV, Milenov TI, Vayssilov GN. Kolev SK, et al. Metallomics. 2018 May 23;10(5):659-678. doi: 10.1039/c8mt00043c. Metallomics. 2018. PMID: 29667684 Review.
Moreover, those metal ions help to facilitate macromolecular interactions as well as the formation of supramolecular structures (e.g. the ribosome and the ribozymes). Therefore, identifying the interactions between ions and nucleic acids is a key to the better comprehensio …
Moreover, those metal ions help to facilitate macromolecular interactions as well as the formation of supramolecular structures (e.g. …
Pre-insemination prediction of dystocia in dairy cattle.
Alsahaf A, Gheorghe R, Hidalgo AM, Petkov N, Azzopardi G. Alsahaf A, et al. Prev Vet Med. 2023 Jan;210:105812. doi: 10.1016/j.prevetmed.2022.105812. Epub 2022 Dec 5. Prev Vet Med. 2023. PMID: 36521412 Free article.
Reverse Monte Carlo study of spherical sample under non-periodic boundary conditions: the structure of Ru nanoparticles based on x-ray diffraction data.
Gereben O, Petkov V. Gereben O, et al. J Phys Condens Matter. 2013 Nov 13;25(45):454211. doi: 10.1088/0953-8984/25/45/454211. Epub 2013 Oct 18. J Phys Condens Matter. 2013. PMID: 24141235
A similar lack of structural order has been observed with other nanoparticles (e.g. Petkov et al 2008 J. Phys. Chem. C 112 8907-11) indicating that atomic disorder is a widespread feature of nanoparticles less than 10 nm in diameter....
A similar lack of structural order has been observed with other nanoparticles (e.g. Petkov et al 2008 J. Phys. Chem. C 112 890 …
Ticagrelor versus Aspirin in Acute Stroke or Transient Ischemic Attack.
Johnston SC, Amarenco P, Albers GW, Denison H, Easton JD, Evans SR, Held P, Jonasson J, Minematsu K, Molina CA, Wang Y, Wong KS; SOCRATES Steering Committee and Investigators. Johnston SC, et al. N Engl J Med. 2016 Jul 7;375(1):35-43. doi: 10.1056/NEJMoa1603060. Epub 2016 May 10. N Engl J Med. 2016. PMID: 27160892 Free article. Clinical Trial.
Experimental and Theoretical Study on the Homodimerization Mechanism of 3-Acetylcoumarin.
Simeonova KB, Koleva AI, Zlatanova AR, Petkova-Yankova NI, Aleksandrov HA, Petkov PS, Nikolova RD. Simeonova KB, et al. Molecules. 2022 Oct 25;27(21):7228. doi: 10.3390/molecules27217228. Molecules. 2022. PMID: 36364063 Free PMC article.
The C-C bond formation between the calculated radical intermediates occurs spontaneously (G = -214 kJ/mol for ZnCl(2), -163 kJ/mol in the case of Zn(OAc)(2)), which proves the possibility for the homodimerization of 3-acetylcoumarin via formation of radical species. ...
The C-C bond formation between the calculated radical intermediates occurs spontaneously (G = -214 kJ/mol for ZnCl(2), -163 kJ/mol in …
Erythrocyte Membrane Biophysical Changes Mediated by Pooled Immunoglobulin G and Hematin: Electrokinetic and Lipid Peroxidation Studies.
Doltchinkova V, Kitanova M, Nikolov R, Stoyanova-Ivanova A, Petkov O, Dikova Y, Vitkova V. Doltchinkova V, et al. Membranes (Basel). 2023 Feb 27;13(3):281. doi: 10.3390/membranes13030281. Membranes (Basel). 2023. PMID: 36984668 Free PMC article.
Pooled Immunoglobulin G (IgG), hematin and the membrane-disruptive amphipathic peptide melittin have received attention as powerful biomacromolecules for biomedical and pharmacology applications. ...The effect of melittin on the membrane capacitance and resistance of model …
Pooled Immunoglobulin G (IgG), hematin and the membrane-disruptive amphipathic peptide melittin have received attention as powerful b …
333 results