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Acta Chromatographica
Authors:
Jianbo Li
,
Zheng Yu
,
Cheng Han
,
Zhening Wang
,
Yujie Hu
,
Congcong Wen
, and
Chongliang Lin

apigenin fragment was m / z 301.0, and the highest abundance of the IS fragment ion was m / z 193.0. The removal of protein and interference out of the plasma was a key point of LC–MS/MS analysis [ 27 , 28 ]. In this paper, acetonitrile

Open access
Acta Chromatographica
Authors:
Yonghui Shen
,
Deru Meng
,
Feifei Chen
,
Hui Jiang
,
Liming Hu
,
Yunfang Zhou
, and
Miaomiao Zhang

Sunflower and Technology Development Co. Ltd. (Beijing, China). Chromatography grade acetonitrile and methanol were prepared by Fisher Scientific Co. (Fair Lawn, New Jersey, USA). Instruments and LC-MS/MS conditions ACQUITY I-Class UPLC and a XEVO TQD mass

Open access

]. Figure 3. Matrix effects on LC–MS/MS signals Validation Linearity Calibration curve was constructed with concentration sequences of 0

Open access

–MS) [ 24 ], liquid chromatography coupled with triple-quadrupole tandem mass spectrometry (LC–MS/MS) [ 25 ], liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (LC–Q-TOF-MS), and liquid chromatography triple quadrupole tandem

Open access

after oral administration of an extract of genus Atractylodes rhizomes have been performed using liquid chromatography–triple quadrupole tandem mass spectrometry (LC–MS/MS) or high–performance liquid chromatography (HPLC) [ 9 – 12 ]. In majority of

Open access

metaldehyde in water and riverbed deposits in the case of metaldehyde poisonings and residue analyses in foods) [ 10 – 13 ], liquid chromatography coupled with tandem mass spectrometry (LC–MS/MS) (metaldehyde determination in vegetables, soil, and water) [ 14

Open access

quantification limit of the FA in plasma could be quantified to 5 ng/mL by LC-MS/MS with a lipid–lipid extraction method [ 12–14 ]. In this study, plasma samples were processed by protein precipitation to shorten the sample processing time. Although the lower

Open access

), followed by aldicarb (3 cases) [ 10, 11 ]. In birds, the acute oral LD50 toxicity for carbofuran can be as low as 238 µg/kg bodyweight (b.w.) for the Fulvous whistling-duck [ 10 ]. Conventional analytical methods include HPLC [ 12–14 ], GC-MS [ 15 ], and LC-MS/MS

Open access
Journal of Psychedelic Studies
Authors:
Giordano Novak Rossi
,
Eduardo José Crevelin
,
Gabriela de Oliveira Silveira
,
Maria Eugênia Costa Queiroz
,
Mauricio Yonamine
,
Jaime Eduardo Cecilio Hallak
, and
Rafael Guimarães dos Santos

. Figure 1. Analysis spectra for each solvent utilized. Chromatograms obtained after serial dilution procedure and LC-MS/MS analysis of M. hostilis extracts performed with different organic solvents. DMT: dimethyltryptamine

Open access

Chromatography/tandem Mass Spectrometry (LC/MS/MS) . Washington, DC : Environmental Protection Agency , 2005 . [16] B. Englert , Method 1694: Pharmaceuticals and Personal Care Products in Water, Soil, Sediment and Biosolids by HPLC/MS/MS . Washington, DC

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