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Autor:
Philip T. Kenyon, Christopher Wu, Haoqi Zhao, Edward P. Kolodziej, Xingjian Yang, David M. Cwiertny
Publikováno v:
Journal of Chromatography A. 1603:150-159
Here, we developed a novel and sensitive method for the detection and quantification of metastable trenbolone and altrenogest photoproducts in agricultural receiving waters based on solid phase extraction (SPE) and liquid chromatography-tandem mass s
Autor:
Elena Sánchez-López, Samuel Bernardo-Bermejo, María Castro-Puyana, Francisco Javier Lucio-Cazaña, María Luisa Marina, S. Benito
Publikováno v:
e_Buah Biblioteca Digital Universidad de Alcalá
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https://www.sciencedirect.com/science/article/pii/S002196731930247X?via%3Dihub
Diabetes mellitus is a major health concern nowadays. It is estimated that 40 % of diabetics are affected by diabetic nephropathy, one of the complications derived fr
Diabetes mellitus is a major health concern nowadays. It is estimated that 40 % of diabetics are affected by diabetic nephropathy, one of the complications derived fr
Publikováno v:
Journal of Chromatography A. 1577:31-37
In the work reported here, a screening procedure was developed for the detection and identification of RMPAs (nerve agent degradation products) after pentafluorobenzylation using liquid chromatography-tandem mass spectrometry (LC-MS/MS). With this me
Autor:
Peter J. Schoenmakers, Marian Rinken, Melissa N. Dunkle, Matthias Pursch, Ayako de Niet, Andrea F.G. Gargano, Edwin P.C. Mes, Gino Groeneveld
Publikováno v:
Groeneveld, G, Dunkle, M N, Rinken, M, Gargano, A F G, de Niet, A, Pursch, M, Mes, E P C & Schoenmakers, P J 2018, ' Characterization of complex polyether polyols using comprehensive two-dimensional liquid chromatography hyphenated to high-resolution mass spectrometry ', Journal of Chromatography A, vol. 1569, pp. 128-138 . https://doi.org/10.1016/j.chroma.2018.07.054
Journal of Chromatography A, 1569, 128-138. Elsevier
Journal of Chromatography A, 1569, 128-138. Elsevier
Polyether polyols are often used in formulated systems, but their complete characterization is challenging, because of simultaneous heterogeneities in chemical composition, molecular weight and functionality. One-dimensional liquid chromatography–m
Autor:
Peter Curl, Timmy L.S. Choi, Stewart C. Mechie, Wai Him Kwok, Jenny K.Y. Wong, Terence S.M. Wan
Publikováno v:
Journal of Chromatography A. 1546:106-118
Methylstenbolone (2,17α-dimethyl-5α-androst-1-en-17β-ol-3-one) is a synthetic anabolic and androgenic steroid (AAS) sold as an oral 'nutritional supplement' under the brand names 'Ultradrol', 'M-Sten' and 'Methyl-Sten'. Like other AASs, methylsten
Autor:
Katarzyna Pawlak, Kamil Wojciechowski
Publikováno v:
Journal of Chromatography A. 1653:462421
We present a new liquid chromatography–tandem mass spectrometry (LC-MS/MS) method for simultaneous determination of sodium lauryl sulfate and sodium laureth sulfate homologues in the range of alkyl chain length C12–C16 with 0–5 ethoxy groups. T
Publikováno v:
Journal of Chromatography A. 1652:462345
Cannabis sativa is commonly used worldwide and is frequently detected by forensic laboratories working with biological specimens from potentially impaired drivers or pilots. To address the problem of limited published methods for cannabinoids quantif
Autor:
Ki Hun Kim, Jaeick Lee, Tae Young Jeong, Seunghwa Lee, Kang Mi Lee, Won Keun Oh, Hophil Min, Ho Jun Kim, Sang Moon Han, Sangwon Cha
Publikováno v:
Journal of Chromatography A. 1652:462360
The misuse of propofol for recreational purposes has become a serious social issue. Accordingly, practical and sensitive analytical methods to investigate the chronic abuse and toxicity of propofol are required. However, current propofol determinatio
Autor:
Hajime Miyaguchi, Kenji Kuwayama
Publikováno v:
Journal of Chromatography A. 1519:55-63
Zopiclone and its (S)-enantiomer (eszopiclone) are commonly prescribed for insomnia. Despite the high demand for enantioselective differentiation, the chiral analysis of zopiclone in hair has not been reported. In this study, a method for the enantio
Publikováno v:
Journal of Chromatography A. 1509:91-101
Ultraviolet-filters (UV-filters) and estrogens have attracted increased attention as contaminants of emerging concern (CECs) due to their widespread occurrence in the environment. Most of these CECs are hydrophobic and have the potential to accumulat