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Artigos de revistas sobre o tema "HPLC/ms/ms"

Autor: Grafiati

Publicado: 4 de junho de 2021

Última modificação: 14 de março de 2023

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1

ITO, Junya, Kiyotaka NAKAGAWA, Shunji KATO e Teruo MIYAZAWA. "Evaluation of Lipid Peroxidation Process Using MS/MS, HPLC-MS/MS, and Chiral Stationary Phase-HPLC-MS/MS". Oleoscience 16, n.º 5 (2016): 233–42. http://dx.doi.org/10.5650/oleoscience.16.233.

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2

Kanaki, Katerina, e Spiros A. Pergantis. "HPLC-ICP-MS and HPLC-ES-MS/MS characterization of synthetic seleno-arsenic compounds". Analytical and Bioanalytical Chemistry 387, n.º 8 (27 de fevereiro de 2007): 2617–22. http://dx.doi.org/10.1007/s00216-007-1171-9.

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3

Wu, Zhi-Jun, Guo-You Li, Dong-Mei Fang, Hua-Yi Qi, Wei-Jian Ren e Guo-Lin Zhang. "Analysis of Epipolythiodioxopiperazines in FungusChaetomiumcochliodesUsing HPLC-ESI-MS/MS/MS". Analytical Chemistry 80, n.º 1 (janeiro de 2008): 217–26. http://dx.doi.org/10.1021/ac071447u.

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4

Gong, Like, Qingbing Xu, Charles Lee e Hong Zhang. "Selenium speciation analysis of Misgurnus anguillicaudatus selenoprotein by HPLC–ICP–MS and HPLC–ESI–MS/MS". European Food Research and Technology 235, n.º 1 (17 de maio de 2012): 169–76. http://dx.doi.org/10.1007/s00217-012-1747-2.

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5

Haijiang, Zhang, Wu Yongjiang e Cheng Yiyu. "Analysis of ‘SHENMAI’ injection by HPLC/MS/MS". Journal of Pharmaceutical and Biomedical Analysis 31, n.º 1 (fevereiro de 2003): 175–83. http://dx.doi.org/10.1016/s0731-7085(02)00565-4.

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6

Sur, Robin, e Dieter Zimmer. "HPLC-MS/MS in der Rückstandsanalytik von Pflanzenschutzmitteln". Umweltwissenschaften und Schadstoff-Forschung 18, n.º 1 (fevereiro de 2006): 21–26. http://dx.doi.org/10.1065/uwsf2005.04.093.

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7

Henneman, Linda, Arno G. van Cruchten, Simone W. Denis, Michael W. Amolins, Andrew T. Placzek, Richard A. Gibbs, Willem Kulik e Hans R. Waterham. "Detection of nonsterol isoprenoids by HPLC–MS/MS". Analytical Biochemistry 383, n.º 1 (dezembro de 2008): 18–24. http://dx.doi.org/10.1016/j.ab.2008.08.023.

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8

Vollmer, Martin, Patric Hörth, Gerard Rozing, Yohann Couté, Rudi Grimm, Denis Hochstrasser e Jean-Charles Sanchez. "Multi-dimensional HPLC/MS of the nucleolar proteome using HPLC-chip/MS". Journal of Separation Science 29, n.º 4 (março de 2006): 499–509. http://dx.doi.org/10.1002/jssc.200500334.

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9

Kovalczuk, T., J. Poustka e J. Hajšlová. "HPLC-MS/MS method for analysis of isoproturon in difficult matrix: poppy seeds". Czech Journal of Food Sciences 26, No. 2 (17 de abril de 2008): 146–52. http://dx.doi.org/10.17221/2469-cjfs.

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While several validated methods have been developed for analysis of phenylurea herbicides in staple food plants, analytical procedures suitable for their quantification in minor crops such as poppy seeds are not available. For the registration of isoproturon use in this crop, the documentation of dynamics of its residues following treatment was requested. To accomplish this task, HPLC-MS/MS method was developed. Extraction of residues was realised by methanol-water mixture, Supelclean LC-18 SPE cartridges were used for purification of crude extracts. For HPLC separation of isoproturon SPE fraction Lichrospher C18 column (25 cm × 4 mm, 5 μm) was employed. For detection and quantification of target analyte, mass spectrometer with ion trap analyser operated in positive atmospheric pressure chemical ionisation (APCI) and MS/MS mode was used. Following performance parameters of method were obtained: detection limit 0.01 mg/kg, recovery 84%, and repeatability 7%.

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10

Tranova, Yu, P. Yu Myl’nikov, A. V. Shchul’kin, I. V. Chernykh, S. K. Pravkin e E. N. Yakusheva. "Method for quantitative quercetin detection using HPLC-MS/MS". NAUKA MOLODYKH (ERUDITIO JUVENIUM) 10, n.º 3 (30 de setembro de 2022): 251–58. http://dx.doi.org/10.23888/hmj2022103251-258.

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INTRODUCTION: Human breast cancer resistance protein (BCRP, ABCG2) is a transport protein of ABC superfamily of transporters that uses ATP energy of for its work. BCRP plays an important role in the pharmacokinetics of drugs, therefore all new drugs are recommended to be tested for belonging to its substrates, inducers and inhibitors. The influence of substances on the activity of this transport protein in vitro is evaluated by a change of transmembrane transfer of its substrates, one of which being quercetin. This, in turn, requires the development and validation of a method for its quantitative analysis in an appropriate matrix. AIM: To develop a method for the quantitative determination of quercetin using high performance liquid chromatography (HPLC) with tandem mass selective detection (MS/MS) with full validation. MATERIALS AND METHODS: The method was developed on Ultimate 3000 HPLC equipped with TSQ Fortis (Thermo Fisher, USA) MS/MS detector. The conditions of chromatographic analysis were as follows: column UCT Selectra C18 4.6 mm*100 mm 5μm, 100 A, Selectra C18 Guard Cartridges SLC-18 GDC46-5UM. The analysis time was 11 min at separation temperature 35°С, flow rate 0.5 ml/min, injected sample volume 5 μl. Gradient elution regime was used: on 0th minute, the ratio of 0.1% formic acid solution and acetonitrile was 70% and 30%; 0.3 min — 30% and 70%; 4 min — 1% and 99%; 9 min — 70% and 30%. Quercetin retention time was 3.91 minutes. Detection conditions: negative ionization mode, 301 m/z → 150.9 m/z with collision energy 22 V, 301 m/z →178.9 m/z with collision energy 17 V, source fragmentation 5 V, electrospray voltage 3 000 V, CID gas pressure 1 mTorr, Sheath gas 50 Arb, Aux gas 10 Arb, Sweep gas 10 Arb, ion transfer tube temperature 300°C, vaporizer temperature 350°C. The matrix was transport medium after incubation for 3 hours with Caco-2 cells overexpressing BCRP. In this medium, the transport of quercetin through the cell monolayer was further evaluated in vitro. Precipitation of protein and isolation of quercetin from the transport medium was realized by a mixture of water and acetonitrile in a ratio of 1:1. RESULTS: The developed method was validated by the following parameters: selectivity, linearity, accuracy, precision, limit of quantification, sample transfer, matrix effect, sample stability. The analytical range of the technique was 5–500 nmol/l. In this case, the correlation coefficient was more than 0.99. The limit of detection and the lower limit of quantification of quercetin (LLQQ) were 1 and 5 nmol/l, respectively. The calculation of intra- and inter-cycle accuracy and precision showed that these parameters do not exceed 20% for the concentration corresponding to the lower limit of quantitative determination, and 15% for other concentrations. The analyte demonstrated stability in triple freeze-defreeze cycle at -80°C, in storage at -80°C for 60 days, after sample preparation and being kept in the autosampler for 24 hours. There was no sample transfer and no matrix effect. CONCLUSION: A method for the quantitative determination of quercetin using HPLC-MS/MS in a transport medium was developed and fully validated.

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11

Šibul, Filip, Dejan Orčić, Sanja Berežni, Goran Anačkov e Neda Mimica-Dukić. "HPLC–MS/MS profiling of wild-growing scentless chamomile". Acta Chromatographica 32, n.º 2 (junho de 2020): 86–94. http://dx.doi.org/10.1556/1326.2019.00546.

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Scentless chamomile (Tripleurospermum inodorum = M. inodora) is a plant belonging to Anthemideae tribe of Asteraceae family, with phenotype similar to the common chamomile, a plant used in human consumption in the form of herbal tea infusion. In order to be able to understand possible health-promoting properties and adverse effects of the scentless chamomile's consumption, it is of essence to examine its chemical composition. The aim of the study was to perform phenolic profiling using high-performance liquid chromatography–tandem mass spectroscopy (HPLC–MS/MS), in comparison to the common chamomile. In the investigated extracts, qualitative and quantitative analyses enabled the identification of 66 compounds based on their retention times, mass (MS/MS) spectra, and analysis of their characteristic fragmentation patterns in MS/MS Product Ion Scan experiments. A new HPLC–MS/MS method for quantitation of common plant metabolites was hereby developed, enabling quantitation of 47 compounds. All examined M. inodora samples have relatively high combined phenolic and flavonoid contents (25.2–51.9 mg/g). Apigenin, apigenin-7-O-glucoside, luteolin, luteolin-7-O-glucoside, quinic acid, and 5-O-caffeoyl quinic acid were the compounds with highest concentration in both inodorous and common chamomile. The results obtained hereby represent the first and most detailed chemical profile of scentless chamomile so far.

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12

Zou, T., P. He, J. Cao e Z. Li. "Determination of Paraquat in Vegetables Using HPLC-MS-MS". Journal of Chromatographic Science 53, n.º 2 (21 de maio de 2014): 204–9. http://dx.doi.org/10.1093/chromsci/bmu041.

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13

Hsieh, Yunsheng. "HPLC-MS/MS in drug metabolism and pharmacokinetic screening". Expert Opinion on Drug Metabolism & Toxicology 4, n.º 1 (21 de dezembro de 2007): 93–101. http://dx.doi.org/10.1517/17425255.4.1.93.

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14

Van Hulle, Marijn, Chao Zhang, Xinrong Zhang e Rita Cornelis. "Arsenic speciation in Chinese seaweeds using HPLC-ICP-MS and HPLC-ES-MS". Analyst 127, n.º 5 (3 de abril de 2002): 634–40. http://dx.doi.org/10.1039/b110940e.

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15

Manners, Gary D., e Andrew P. Breksa. "Identifying citrus limonoid aglycones by HPLC-EI/MS and HPLC-APCI/MS techniques". Phytochemical Analysis 15, n.º 6 (2004): 372–81. http://dx.doi.org/10.1002/pca.790.

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16

Hansen, Helle R., e Spiros A. Pergantis. "Investigating the formation of an Sb(v)–citrate complex by HPLC-ICP-MS and HPLC-ES-MS(/MS)". J. Anal. At. Spectrom. 21, n.º 11 (2006): 1240–48. http://dx.doi.org/10.1039/b607621a.

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17

Ravasi, Juliana Mourão, Giuseppina Negri, Antonio Salatino, Maria Luiza Faria Salatino e Marco Aurelio Sivero Mayworm. "GC-MS and HPLC-ESI-MS-MS Characterization of Sanchezia oblonga (Acanthaceae) Extracts". Journal of Food Research 9, n.º 1 (22 de janeiro de 2020): 57. http://dx.doi.org/10.5539/jfr.v9n1p57.

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The genus Sanchezia (Acanthaceae) comprises neotropical herbs and shrubs with showy flowers. Sanchezia oblonga (syn. S. nobilis) is a shrub of the rainforests of central and south America. The ethanolic extracts of leaves and stems from S. oblonga were analyzed by GC-EI-MS and RPHPLC-DAD-ESI-MS/MS. Fatty acids (free and esterified) and phytosterols were detected by the former method. Benzyl alcohol glycosides (21 and 25), sinapic acid glycoside esters (29 and 31), ethyl rosmarinate (24), sinapic acid-O-glucoside (28), dihydrosinapic acid-O-glucoside (26), catechin-O-arabinoside (36), in addition to flavonols glycosides (23, 32, 33 and 35) and rosmarinic acid-3’-O-glucoside (34) were detected by RPHPLC-DAD-ESI-MS/MS. Three new compounds, detected only in leaves, were tentatively identified as phenylpropane glyceride derivatives 1-O-coumaroyl-2-hydroxy propanal (20) and 1-O-coumaroyl-2-O-glycosyl propanal (22, 30). Compounds 20, 22 and 30 from S. oblonga are similar with phenylpropane glycerides present in red sorghum (Sorghum bicolor L. (Moench) and Lilium longiflorum Thunb. It is noteworthy that S. oblonga could be used in cooking as a complement after more detailed studies. Sorghum grain foods exhibit potential health benefits against chronic diseases related to over-nutrition. Lilium longiflorum possess flower buds and bulbs that are used for both culinary and medicinal purposes in many parts of the world. Studies on chemical composition and biological activity of the genus Sanchezia are scarce. The presence of phytosterols and flavonol glycosides were recently reported in leaves from this species. However, the chemical profile of the extracts analyzed in this work differs from that previously reported for aerial parts of S. nobilis (sin. S. oblonga). Further studies, including statistical methods, such as principal component analysis and hierarchical cluster analysis will be needed to evaluate chemical markers for this species.

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18

ZHANG, RenJie, YiFeng CHAI, ZhenYu ZHU e XiaoHang SHEN. "Determination of trazodone in human plasma by HPLC-MS/MS method". Pharmaceutical Care and Research 15, n.º 6 (31 de dezembro de 2015): 439–42. http://dx.doi.org/10.5428/pcar20150613.

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19

Hermes, Lena, Janis Römermann, Benedikt Cramer e Melanie Esselen. "Phase II Metabolism of Asarone Isomers In Vitro and in Humans Using HPLC-MS/MS and HPLC-qToF/MS". Foods 10, n.º 9 (29 de agosto de 2021): 2032. http://dx.doi.org/10.3390/foods10092032.

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(1) Background: Metabolism data of asarone isomers, in particular phase II, in vitro and in humans is limited so far. For the first time, phase II metabolites of asarone isomers were characterized and human kinetic as well as excretion data after oral intake of asarone-containing tea infusion was determined. (2) Methods: A high pressure liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (HPLC-qTOF-MS) approach was used to identify phase II metabolites using liver microsomes of different species and in human urine samples. For quantitation of the respective glucuronides, a beta-glucuronidase treatment was performed prior to analysis via high pressure liquid chromatography coupled with tandem mass spectrometry (HPLC-MS/MS). (3) Results: Ingested beta-asarone and erythro and threo-asarone diols were excreted as diols and respective diol glucuronide conjugates within 24 h. An excretion rate about 42% was estimated. O-Demethylation of beta-asarone was also indicated as a human metabolic pathway because a corresponding glucuronic acid conjugate was suggested. (4) Conclusions: Already reported O-demethylation and epoxide-derived diols formation in phase I metabolism of beta-asarone in vitro was verified in humans and glucuronidation was characterized as main conjugation reaction. The excretion rate of 42% as erythro and threo-asarone diols and respective asarone diol glucuronides suggests that epoxide formation is a key step in beta-asarone metabolism, but further, as yet unknown metabolites should also be taken into consideration.

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20

Korzhenevskii, D. A., V. N. Kuptsov, V. A. Mityanina, A. A. Selishcheva, S. V. Saveliev e T. Yu Kalashnikova. "Identification of the individual molecular species of ceramides derived from human erythrocytes using HPLC/MS and HPLC/MS/MS". Journal of Analytical Chemistry 66, n.º 13 (27 de novembro de 2011): 1270–75. http://dx.doi.org/10.1134/s1061934811130053.

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21

CHURCHWELL, M., N. TWADDLE, L. MEEKER e D. DOERGE. "Improving LC–MS sensitivity through increases in chromatographic performance: Comparisons of UPLC–ES/MS/MS to HPLC–ES/MS/MS". Journal of Chromatography B 825, n.º 2 (25 de outubro de 2005): 134–43. http://dx.doi.org/10.1016/j.jchromb.2005.05.037.

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22

Pellati, Federica, Giulia Orlandini, Diego Pinetti e Stefania Benvenuti. "HPLC-DAD and HPLC-ESI-MS/MS methods for metabolite profiling of propolis extracts". Journal of Pharmaceutical and Biomedical Analysis 55, n.º 5 (julho de 2011): 934–48. http://dx.doi.org/10.1016/j.jpba.2011.03.024.

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23

Li, Hong-Xia, Ming-Yu Ding, Kun Lv e Jian-Yuan Yu. "DETERMINATION OF THE ACTIVE INGREDIENTS IN CHUANXIONG BY HPLC, HPLC-MS, AND EI-MS". Journal of Liquid Chromatography & Related Technologies 24, n.º 13 (31 de agosto de 2001): 2017–31. http://dx.doi.org/10.1081/jlc-100104443.

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24

Sawaya, Alexandra, Ilka Abreu, Nathalia Andreazza, Marcos Eberlin e Paulo Mazzafera. "HPLC-ESI-MS/MS of Imidazole Alkaloids in Pilocarpus microphyllus". Molecules 13, n.º 7 (30 de julho de 2008): 1518–29. http://dx.doi.org/10.3390/molecules13071518.

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25

Amr, Ayed S., Mousa N. Ahmad, Jalal A. Zahra e Mai A. Abdullah. "HPLC/MS-MS Identification of Oak Quercus aegilops Root Tannins". Journal of Chemistry 2021 (2 de março de 2021): 1–10. http://dx.doi.org/10.1155/2021/8882050.

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Tannins are natural polyphenolic compounds widely distributed in the plant kingdom in the leaves, bark, fruits, and other parts. They have various biological functions in humans and animals and are used mainly in the pharmaceutical and cosmetic industries. The aim of this work was to isolate, extract, purify, and identify the tannins from the root bark of a common oak tree (Quercus aegilops L.) in Jordan and around the Mediterranean. The results showed that at least one form of ellagitannin (ellagic acid ester), quercitrin, afzelechin, valoneic acid, trigalloyl glucose, and catechin was identified in addition to two unidentified compounds. Results of this work can help in developing an ESI MS/MS search library for the constituents of the tannins of oak (Quercus aegilops L.) root bark.

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26

Mei, Hongcheng, Yangke Quan, Wenhao Wang, Hong Zhou, Zhanfang Liu, Huixia Shi e Peng Wang. "Determination of Diphenylamine in Gunshot Residue by HPLC-MS/MS". Journal of Forensic Science and Medicine 2, n.º 1 (2016): 18. http://dx.doi.org/10.4103/2349-5014.162808.

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27

Isenberg, Samantha L., Melissa D. Carter, Brian S. Crow, Leigh Ann Graham, Darryl Johnson, Nick Beninato, Kandace Steele, Jerry D. Thomas e Rudolph C. Johnson. "Quantification of Hydrazine in Human Urine by HPLC–MS-MS". Journal of Analytical Toxicology 40, n.º 4 (13 de março de 2016): 248–54. http://dx.doi.org/10.1093/jat/bkw015.

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28

Arias, A., J. García-Villoria, A. Rojo, N. Buján, P. Briones e A. Ribes. "Analysis of coenzyme Q10 in lymphocytes by HPLC–MS/MS". Journal of Chromatography B 908 (novembro de 2012): 23–26. http://dx.doi.org/10.1016/j.jchromb.2012.09.027.

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29

Burhenne, J., M. Ludwig e M. Spiteller. "Polar photodegradation products of quinolones determined by HPLC/MS/MS". Chemosphere 38, n.º 6 (março de 1999): 1279–86. http://dx.doi.org/10.1016/s0045-6535(98)00525-6.

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30

Taylor, Paul J., Scott R. Brown, Don P. Cooper, Stephen V. Lynch e Peter I. Pillans. "A High-throughput Hplc-ms/ms Method For Tacrolimus Measurement". Therapeutic Drug Monitoring 27, n.º 2 (abril de 2005): 256. http://dx.doi.org/10.1097/00007691-200504000-00191.

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31

Pataridis, Statis, Adam Eckhardt, Katerina Mikulíková, Pavla Sedláková e Ivan Mikšík. "Identification of collagen types in tissues using HPLC-MS/MS". Journal of Separation Science 31, n.º 20 (outubro de 2008): 3483–88. http://dx.doi.org/10.1002/jssc.200800351.

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32

Noh, Keumhan, Jong Hee Park, Minkyu Kim, Mankil Jung, Hwa Jeong Lee, Kwang-il Kwon, Wonku Kang e Hunjoo Ha. "Determination of daumone in mouse plasma by HPLC/MS-MS". Biomedical Chromatography 26, n.º 2 (19 de maio de 2011): 152–55. http://dx.doi.org/10.1002/bmc.1649.

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33

Ortega, Nàdia, Maria-Paz Romero, Alba Macià, Jordi Reguant, Neus Anglès, José-Ramón Morelló e Maria-Jose Motilva. "Comparative study of UPLC–MS/MS and HPLC–MS/MS to determine procyanidins and alkaloids in cocoa samples". Journal of Food Composition and Analysis 23, n.º 3 (maio de 2010): 298–305. http://dx.doi.org/10.1016/j.jfca.2009.10.005.

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34

Zhao, Xia, Bo Wang, Kaizhou Xie, Jianyu Liu, Yangyang Zhang, Yajuan Wang, Yawen Guo, Genxi Zhang, Guojun Dai e Jinyu Wang. "Development and comparison of HPLC-MS/MS and UPLC-MS/MS methods for determining eight coccidiostats in beef". Journal of Chromatography B 1087-1088 (junho de 2018): 98–107. http://dx.doi.org/10.1016/j.jchromb.2018.04.044.

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35

Oh, Y. S., J. H. Lee, S. H. Yoon, C. H. Oh, D. S. Choi, E. Choe e M. Y. Jung. "Characterization and Quantification of Anthocyanins in Grape Juices Obtained from the Grapes Cultivated in Korea by HPLC/DAD, HPLC/MS, and HPLC/MS/MS". Journal of Food Science 73, n.º 5 (junho de 2008): C378—C389. http://dx.doi.org/10.1111/j.1750-3841.2008.00756.x.

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36

Park, Mi-Sun, Byung-Joo Kim e Seung-Woon Myung. "The analysis of pharmaceuticals in drinking water by HPLC/ESI-MS/MS". Analytical Science and Technology 23, n.º 5 (25 de outubro de 2010): 457–64. http://dx.doi.org/10.5806/ast.2010.23.5.457.

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37

Zhang, Yan, Cuiling Cao, Zhiwei Yang, Guangqun Jia, Xiaomao Liu, Xuemin Li, Zongyan Cui e Adan Li. "Simultaneous determination of 20 phenolic compounds in propolis by HPLC-UV and HPLC-MS/MS". Journal of Food Composition and Analysis 115 (janeiro de 2023): 104877. http://dx.doi.org/10.1016/j.jfca.2022.104877.

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38

Gao, Jin, Ming Zhao, Xiaoying Fu, Jiong Zhang, Yang Ji, Xiongping Jiang, Xiaofei Fu e Chunjie Zhao. "Identification of Related Substances in Citicoline Sodium Injection by HPLC-DAD and HPLC-MS/MS". Asian Journal of Chemistry 25, n.º 14 (2013): 7697–704. http://dx.doi.org/10.14233/ajchem.2013.14572.

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39

Kirby, Jason, William Maher, Michael Ellwood e Frank Krikowa. "Arsenic Species Determination in Biological Tissues by HPLC - ICP - MS and HPLC - HG - ICP - MS". Australian Journal of Chemistry 57, n.º 10 (2004): 957. http://dx.doi.org/10.1071/ch04094.

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The use of high-pressure liquid chromatography coupled directly or by a hydride generation system to an inductively coupled plasma mass spectrometer for the unambiguous measurement of 13 arsenic species in marine biological extracts is described. The use of two chromatography systems; a Supelcosil LC-SCX cation-exchange column eluted with a 20 mM pyridine mobile phase adjusted to pH 2.2 and 2.6 with formic acid, with a flow rate of 1.5 mL min−1 at 40°C, and a Hamilton PRP-X100 anion-exchange column eluted with 20 mM NH4H2PO4 buffer at pH 5.6, with a flow rate of 1.5 mL min−1 at 40°C, was required to separate and quantify cation and anion arsenic species. Under these conditions, arsenous acid could not be separated from other arsenic species and required the use of an additional hydride generation step. Arsenic species concentrations in a locally available Tasmanian kelp (Durvillea potatorum), a certified reference material (DORM-2), and a range of commercially available macroalgae supplements and sushi seaweeds have been measured and are provided for use as in-house quality control samples to assess the effectiveness of sample preparation, extraction, and measurement techniques.

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40

Hsieh, Yu-Jhe, e Shiuh-Jen Jiang. "Application of HPLC-ICP-MS and HPLC-ESI-MS Procedures for Arsenic Speciation in Seaweeds". Journal of Agricultural and Food Chemistry 60, n.º 9 (27 de fevereiro de 2012): 2083–89. http://dx.doi.org/10.1021/jf204595d.

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41

Westley, Ian S., Raymond G. Morris, Paul J. Taylor, Paul Salm e Maree J. James. "CEDIA?? Sirolimus Assay Compared With HPLC-MS/MS and HPLC-UV in Transplant Recipient Specimens". Therapeutic Drug Monitoring 27, n.º 3 (junho de 2005): 309–14. http://dx.doi.org/10.1097/01.ftd.0000164394.47520.12.

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杨, 柳. "Determination of IAA and ABA in Plant Tissue by the GPC-HPLC/MS/MS". Advances in Analytical Chemistry 07, n.º 02 (2017): 131–38. http://dx.doi.org/10.12677/aac.2017.72018.

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Arroyo-Abad, Uriel, Jürgen Mattusch, Monika Möder, Maria P. Elizalde-González, Rainer Wennrich e Frank-Michael Matysik. "Identification of roxarsonemetabolites produced in the system: Soil–chlorinated water–light by using HPLC-ICP-MS/ESI-MS, HPLC-ESI-MS/MS and High Resolution Mass Spectrometry (ESI-TOF-MS)". J. Anal. At. Spectrom. 26, n.º 1 (2011): 171–77. http://dx.doi.org/10.1039/c0ja00105h.

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Wang, Bo, Jianyu Liu, Xia Zhao, Kaizhou Xie, Zhixiang Diao, Genxi Zhang, Tao Zhang e Guojun Dai. "Determination of Eight Coccidiostats in Eggs by Liquid–Liquid Extraction–Solid-Phase Extraction and Liquid Chromatography–Tandem Mass Spectrometry". Molecules 25, n.º 4 (22 de fevereiro de 2020): 987. http://dx.doi.org/10.3390/molecules25040987.

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A method for the simultaneous determination of robenidine, halofuginone, lasalocid, monensin, nigericin, salinomycin, narasin, and maduramicin residues in eggs by liquid chromatography–tandem mass spectrometry (LC–MS/MS) was developed. The sample preparation method used a combination of liquid–liquid extraction (LLE) and solid-phase extraction (SPE) technology to extract and purify these target compounds from eggs. The target compounds were separated by gradient elution using high-performance liquid chromatography (HPLC) and ultra-performance liquid chromatography (UPLC). Tandem mass spectrometry was used to quantitatively and qualitatively analyze the target compounds via electrospray ionization (ESI+) and multiple reaction monitoring mode. The HPLC–MS/MS and UPLC–MS/MS methods were validated according to the requirements defined by the European Union and the Food and Drug Administration. The limits of detection and limits of quantification of the eight coccidiostats in eggs were 0.23–0.52 µg/kg and 0.82–1.73 µg/kg for HPLC–MS/MS, and 0.16-0.42 µg/kg and 0.81-1.25 µg/kg for UPLC–MS/MS, respectively. The eggs were spiked with four concentrations of the eight coccidiostats, and the HPLC–MS/MS and UPLC–MS/MS average recoveries were all higher than 71.69% and 72.26%, respectively. Compared with the HPLC–MS/MS method, utilizing UPLC–MS/MS had the advantages of low reagent consumption, a short detection time, and high recovery and precision. Finally, the HPLC–MS/MS and UPLC–MS/MS methods were successfully applied to detect eight coccidiostats in 40 eggs.

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KAI, Shigemi, Takeshi AKABOSHI, Michiko KISHI, Hideko KANAZAWA e Shizuko KOBAYASHI. "Analysis of Benzimidazole Anthelmintics in Livestock Foods by HPLC/MS/MS". BUNSEKI KAGAKU 54, n.º 9 (2005): 775–82. http://dx.doi.org/10.2116/bunsekikagaku.54.775.

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Tsimogiannis, Dimitrios, Martina Samiotaki, George Panayotou e Vassiliki Oreopoulou. "Characterization of Flavonoid Subgroups and Hydroxy Substitution by HPLC-MS/MS". Molecules 12, n.º 3 (21 de março de 2007): 593–606. http://dx.doi.org/10.3390/12030593.

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Martono, Yohanes, Abdul Rohman, Sudibyo Martono e Sugeng Riyanto. "Degradation study of stevioside using RP-HPLC and ESI-MS/MS". Malaysian Journal of Fundamental and Applied Sciences 14, n.º 1-2 (30 de abril de 2018): 138–41. http://dx.doi.org/10.11113/mjfas.v14n1-2.956.

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Stevioside is very potential to be an antidiabetic pro-drug. In processing, the active ingredient may be degraded. This research conducted a study of the degradation of stevioside on several stress factors such as acid and base hydrolysis; exposure to UV rays, thermal heating and oxidation using RP-HPLC. The degradation products were identified using ESI-MS/MS. Hydrolysis of acid-base solution and exposure to UV254 nm rays caused the breakdown of glycoside bonds in the analyte. Stevioside was unstable in dry heating at 105oC for 48 hours due to degradation of 91%. Stevioside was oxidized under H2O2 oxidation for 48 hours. Based on the ESI-MS/MS analysis, the identified stevioside degradation products were [M-H] ̶ with m/z = 803 as stevioside; [M-H] ̶ with the value of m/z = 641 as steviolbioside; [M-H] ̶ with m/z = 479 as steviolmonoside; [M-H] ̶ with m/z = 317 as steviol. Termination of glucose was characterized by fragmentation [M-162] ̶.Our study provides a basic view on the stability and degradation characteristics of stevioside, and demonstrates the formation of degradation products.

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Wang, Xiaomeng, e Kim L. Kasperski. "Analysis of naphthenic acids in aqueous solution using HPLC-MS/MS". Analytical Methods 2, n.º 11 (2010): 1715. http://dx.doi.org/10.1039/c0ay00204f.

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Fanti, F., C. Merola, A. Vremere, E. Oliva, M. Perugini, M. Amorena, D. Compagnone e M. Sergi. "Quantitative analysis of oxysterols in zebrafish embryos by HPLC-MS/MS". Talanta 220 (dezembro de 2020): 121393. http://dx.doi.org/10.1016/j.talanta.2020.121393.

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Karuna, Ratna, Isabelle Christen, Andreas W. Sailer, Francis Bitsch e Juan Zhang. "Detection of dihydroxycholesterols in human plasma using HPLC–ESI-MS/MS". Steroids 99 (julho de 2015): 131–38. http://dx.doi.org/10.1016/j.steroids.2015.02.002.

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