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
1967 1
1968 1
1971 1
1977 1
1983 3
1984 1
1985 2
1987 2
1988 2
1990 2
1992 1
1995 1
1997 2
1998 1
1999 4
2000 2
2001 3
2002 5
2003 4
2004 7
2005 2
2006 3
2007 6
2008 5
2009 1
2010 8
2011 8
2012 6
2013 5
2014 7
2015 6
2016 9
2017 7
2018 9
2019 8
2020 6
2021 10
2022 12
2023 7
2024 3

Text availability

Article attribute

Article type

Publication date

Search Results

154 results

Results by year

Filters applied: . Clear all
Page 1
Predicting Kovats Retention Indices Using Graph Neural Networks.
Qu C, Schneider BI, Kearsley AJ, Keyrouz W, Allison TC. Qu C, et al. J Chromatogr A. 2021 Jun 7;1646:462100. doi: 10.1016/j.chroma.2021.462100. Epub 2021 Mar 25. J Chromatogr A. 2021. PMID: 33892256
The Kovats retention index is a dimensionless quantity that characterizes the rate at which a compound is processed through a gas chromatography column. This quantity is independent of many experimental variables and, as such, is considered a near-universal descriptor of r …
The Kovats retention index is a dimensionless quantity that characterizes the rate at which a compound is processed through a gas chr …
Lung Transplant Rehabilitation-A Review.
Abidi Y, Kovats Z, Bohacs A, Fekete M, Naas S, Madurka I, Torok K, Bogyo L, Varga JT. Abidi Y, et al. Life (Basel). 2023 Feb 11;13(2):506. doi: 10.3390/life13020506. Life (Basel). 2023. PMID: 36836863 Free PMC article. Review.
More studies are required to determine the best training settings in terms of time scale, frequency, and work intensity in terms of improving exercise ability, dyspnoea, and HRQOL....
More studies are required to determine the best training settings in terms of time scale, frequency, and work intensity in terms of i …
N-Alkylpyridinium sulfonates for retention time indexing in reversed-phase-liquid chromatography-mass spectrometry-based metabolomics.
Stoffel R, Quilliam MA, Hardt N, Fridstrom A, Witting M. Stoffel R, et al. Anal Bioanal Chem. 2022 Oct;414(25):7387-7398. doi: 10.1007/s00216-021-03828-0. Epub 2021 Dec 15. Anal Bioanal Chem. 2022. PMID: 34907452 Free PMC article.
Chromatographic retention time information is valuable, orthogonal information to MS and MS/MS data that can be used in metabolite identification. ...Different factors such as column dead volumes, system extra column volume, and gradient dwell volume can influence absolute …
Chromatographic retention time information is valuable, orthogonal information to MS and MS/MS data that can be used in metabolite id …
Raman-based real-time dissolution prediction using a deterministic permeation model.
Horkovics-Kovats S, László Galata D, Zlatoš P, Nagy B, Alexandra Mészáros L, Kristóf Nagy Z. Horkovics-Kovats S, et al. Int J Pharm. 2022 Apr 5;617:121624. doi: 10.1016/j.ijpharm.2022.121624. Epub 2022 Feb 26. Int J Pharm. 2022. PMID: 35231548 Free article.
So far in the literature, such mechanistic models were utilized only for formulation optimization (off-line dissolution prediction), while the real-time prediction of dissolution profiles based on Process Analytical Technology (PAT) data was performed by empirical methods …
So far in the literature, such mechanistic models were utilized only for formulation optimization (off-line dissolution prediction), while t …
El Niño and health.
Kovats RS, Bouma MJ, Hajat S, Worrall E, Haines A. Kovats RS, et al. Lancet. 2003 Nov 1;362(9394):1481-9. doi: 10.1016/S0140-6736(03)14695-8. Lancet. 2003. PMID: 14602445 Review.
The strongest evidence for an association between ENSO and disease is provided by time-series analysis with data series that include more than one event. ...
The strongest evidence for an association between ENSO and disease is provided by time-series analysis with data series that include …
Temperature dependence of the Kovats retention index. Convex or concave curves.
Görgényi M, Fekete ZA, Van Langenhove H, Dewulf J. Görgényi M, et al. J Chromatogr A. 2008 Oct 10;1206(2):178-85. doi: 10.1016/j.chroma.2008.08.006. Epub 2008 Aug 7. J Chromatogr A. 2008. PMID: 18760787
The non-linearity in the temperature dependence of the Kovats index, I (the formation of convex or concave curves) was characterized by the second derivative, d2I/dT2. ...T relationship is deltaDeltaCp, which is the molar solvation heat capacity difference between the solu …
The non-linearity in the temperature dependence of the Kovats index, I (the formation of convex or concave curves) was characterized …
El Niño and human health.
Kovats RS. Kovats RS. Bull World Health Organ. 2000;78(9):1127-35. Bull World Health Organ. 2000. PMID: 11019461 Free PMC article. Review.
The El Nino-Southern Oscillation (ENSO) is the best known example of quasi-periodic natural climate variability on the interannual time scale. It comprises changes in sea temperature in the Pacific Ocean (El Nino) and changes in atmospheric pressure across the Pacific Basi …
The El Nino-Southern Oscillation (ENSO) is the best known example of quasi-periodic natural climate variability on the interannual time …
[GC-MS combined with AMDIS and Kovats retention index to investigate dynamic change rules of volatile components from Atractylodis Macrocephalae Rhizoma with different stir-baking degrees].
Chen HP, Pan HH, Zhang X, Liu F, Chen MJ, Luo GH, Liu YP. Chen HP, et al. Zhongguo Zhong Yao Za Zhi. 2016 Jul;41(14):2646-2651. doi: 10.4268/cjcmm20161413. Zhongguo Zhong Yao Za Zhi. 2016. PMID: 28905600 Chinese.
In the present experiment, the Atractylodis Macrocephalae Rhizoma samples with different stir-baking degrees were collected at different processing time points. The contents of volatile oil in various samples were determined by steam distillation method, and the volatile c …
In the present experiment, the Atractylodis Macrocephalae Rhizoma samples with different stir-baking degrees were collected at different pro …
Comparison of dissolution time profiles: No similarity but where is the difference?
Horkovics-Kovats S. Horkovics-Kovats S. Eur J Pharm Sci. 2018 Aug 30;121:9-15. doi: 10.1016/j.ejps.2018.05.017. Epub 2018 May 18. Eur J Pharm Sci. 2018. PMID: 29782910
The similarity of the dissolution time profiles is routinely determined by various statistical methods, e.g. by calculating the f(2) similarity factor, by calculating the multivariate statistical distance or determining the confidence interval of f(2) metrics using the boo …
The similarity of the dissolution time profiles is routinely determined by various statistical methods, e.g. by calculating the f(2) …
154 results