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Retention-time locked methods in gas chromatography.
Etxebarria N, Zuloaga O, Olivares M, Bartolomé LJ, Navarro P. Etxebarria N, et al. J Chromatogr A. 2009 Mar 6;1216(10):1624-9. doi: 10.1016/j.chroma.2008.12.038. Epub 2008 Dec 25. J Chromatogr A. 2009. PMID: 19150537 Review.
Although detectors with higher-dimensional signals ease the identification of many components, there are demanding requirements on the retention time, particularly when high-throughput methods are considered. In addition to this, gas chromatographic elution shows significa …
Although detectors with higher-dimensional signals ease the identification of many components, there are demanding requirements on the reten …
Application of a biological multilevel response approach in the copepod Acartia tonsa for toxicity testing of three oil Water Accommodated Fractions.
Hafez T, Bilbao D, Etxebarria N, Duran R, Ortiz-Zarragoitia M. Hafez T, et al. Mar Environ Res. 2021 Jul;169:105378. doi: 10.1016/j.marenvres.2021.105378. Epub 2021 Jun 1. Mar Environ Res. 2021. PMID: 34102532 Free article.
In this study, we investigated the toxic effects of Water Accommodated Fractions (WAFs) from three types of oil: Naphthenic North Sea crude oil (NNS), Intermediate Fuel Oil (IFO 180) and a commercial Marine Gas Oil (MGO). The WAFs were prepared at 10 C and 30 PSU (practica …
In this study, we investigated the toxic effects of Water Accommodated Fractions (WAFs) from three types of oil: Naphthenic North Sea crude …
Gas chromatographic-mass spectrometric characterisation of plant gums in samples from painted works of art.
Bonaduce I, Brecoulaki H, Colombini MP, Lluveras A, Restivo V, Ribechini E. Bonaduce I, et al. J Chromatogr A. 2007 Dec 21;1175(2):275-82. doi: 10.1016/j.chroma.2007.10.056. Epub 2007 Oct 25. J Chromatogr A. 2007. PMID: 18023451
The procedure was used to study samples collected from wall paintings from Macedonian tombs (4th-3rd centuries bc) and from the Mycenaean "Palace of Nestor" (13th century bc) in Pylos, Greece. The presence of carbohydrates was ascertained and plant gum binders (fruit and a …
The procedure was used to study samples collected from wall paintings from Macedonian tombs (4th-3rd centuries bc) and from the Mycenaean "P …
Novel Very Long-Chain α-Methoxylated Δ5,9 Fatty Acids from the Sponge Asteropus niger Are Effective Inhibitors of Topoisomerases IB.
Carballeira NM, Montano N, Amador LA, Rodríguez AD, Golovko MY, Golovko SA, Reguera RM, Álvarez-Velilla R, Balaña-Fouce R. Carballeira NM, et al. Lipids. 2016 Feb;51(2):245-56. doi: 10.1007/s11745-015-4114-9. Epub 2015 Dec 22. Lipids. 2016. PMID: 26694606 Free PMC article.
The compounds were characterized by utilizing a combination of gas chromatography-mass spectrometry, nuclear magnetic resonance, and circular dichroism. ...
The compounds were characterized by utilizing a combination of gas chromatography-mass spectrometry, nuclear magnetic resonance, and …
Screening for sleep apnea.
Nestor JJ, Likosky W, Sinclair G. Nestor JJ, et al. West J Med. 1989 Jun;150(6):698. West J Med. 1989. PMID: 2750160 Free PMC article. No abstract available.
Changes in Atlantic salmon (Salmo salar) sperm morphology and membrane lipid composition related to cold storage and cryopreservation.
Díaz R, Lee-Estevez M, Quiñones J, Dumorné K, Short S, Ulloa-Rodríguez P, Valdebenito I, Sepúlveda N, Farías JG. Díaz R, et al. Anim Reprod Sci. 2019 May;204:50-59. doi: 10.1016/j.anireprosci.2019.03.004. Epub 2019 Mar 5. Anim Reprod Sci. 2019. PMID: 30878392
The morphology and ultrastructure were analysed using electron microscopy. The lipid composition was analysed by gas chromatography and a commercial kit. After cold storage, the mitochondrion was the most affected component; however, plasma membrane rupture and detachment …
The morphology and ultrastructure were analysed using electron microscopy. The lipid composition was analysed by gas chromatography a …
Validation of techniques to detect illicit heroin use in patients prescribed pharmaceutical heroin for the management of opioid dependence.
Paterson S, Lintzeris N, Mitchell TB, Cordero R, Nestor L, Strang J. Paterson S, et al. Addiction. 2005 Dec;100(12):1832-9. doi: 10.1111/j.1360-0443.2005.01225.x. Addiction. 2005. PMID: 16367984
This study examined the capacity to detect illicit heroin use by gas chromatography-mass spectrometry (GC-MS) analysis of urine samples for the presence of opium impurities common to illicit, but not pharmaceutical heroin. ...
This study examined the capacity to detect illicit heroin use by gas chromatography-mass spectrometry (GC-MS) analysis of urine sampl …
Synthesis and tentative identification of novel polybrominated diphenyl ether metabolites in human blood.
Rydén A, Nestor G, Jakobsson K, Marsh G. Rydén A, et al. Chemosphere. 2012 Aug;88(10):1227-34. doi: 10.1016/j.chemosphere.2012.03.076. Epub 2012 May 8. Chemosphere. 2012. PMID: 22572169
An additional seven OH-PBDEs were tentatively identified in the pooled human blood sample, of which one OH-PBDE, 4'-hydroxy-2,2',4,5,5'-pentabromodiphenyl ether, has not been identified in human blood before. The identification was performed using gas chromatography-mass s …
An additional seven OH-PBDEs were tentatively identified in the pooled human blood sample, of which one OH-PBDE, 4'-hydroxy-2,2',4,5,5'-pent …