liquid chromatography–mass spectrometry (LC–MS/MS)
Anthocyanins in natural extracts: application in acid-base titration and identification by liquid chromatography/mass spectrometry.
... ex. Vilm.), flores do flamboyant (Delonix regea Rafin.), flores de pata de vaca (Bauhinia variegata L.),flores de picão (Bidens gardneri Baker), flores de ipê roxo (Tabebuia impetiginosa (Mart.) Standl.), flo- res de ...
8
Oligosaccharide substrate preferences of human extracellular sulfatase Sulf2 using liquid chromatography-mass spectrometry based glycomics approaches.
... Sulfs are extracellular endosulfatases that selectively remove the 6-O-sulfate groups from cell surface heparan sulfate (HS) chain. By altering the sulfation at these particular sites, Sulfs function to remodel HS ...
10
Detection of SPM-1-Producing Pseudomonas aeruginosa and Class D beta-Lactamase-Producing Acinetobacter baumannii Isolates by Use of Liquid Chromatography-Mass Spectrometry and Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry
... Additionally, liquid chromatography-mass spectrometry (LC-MS) was used to confirm the results of carbapenem hydrolysis obtained by MALDI-TOF ...
4
Exploring the capabilities of gas chromatography and liquid chromatography single and tandem mass spectrometry for discriminating and characterizing marine oils by using chemometric tools
... Liquid chromatography-mass spectrometry (LC-MS) employing ESI or APCI ionization techniques is a powerful analytical tool for the specific detection and potential identification of compounds ...
97
Eicosanoid profiling in an orthotopic model of lung cancer progression by mass spectrometry demonstrates selective production of leukotrienes by inflammatory cells of the microenvironment.
... used liquid chromatography coupled with tandem mass spectrometry (LC/MS/MS) to quantitate eicosanoids produced during lung tumor progression in an orthotopic immunocompetent mouse model of ...
11
Fast Ephedrine Quantification by Gas Chromatography Mass Spectrometry
... a liquid chromatography mass spectrometry, mainly because of the dilute-and- shoot ...gas chromatography based methods have already been described, all of them include cleanup steps, ...
8
J. Braz. Chem. Soc. vol.19 número3
... by liquid chromatography – mass spectrometry (LC-MS), and a study of the fragmentation patterns of selected flavonoids was conducted using orthogonal acceleration time-of-flight electrospray ...
11
J. Braz. Chem. Soc. vol.27 número3
... resolution mass spectrometry (HRMS) using atmospheric pressure chemical ionization (HRAPCIMS) was performed on a liquid chromatography-mass spectrometry ion trap and ...
5
Standard and sample preparation
... by liquid chromatography-tandem mass spectrometry (LC-MS/MS) can be used successfully for the simultaneous extraction of 19 kinds of pesticides and 16 PPCPs from water ...
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Imbalance in fatty-acid-chain length of gangliosides triggers Alzheimer amyloid deposition in the precuneus.
... To gain insight into the mechanism underlying the acceleration of Aß assembly in the presence of sample P2, we searched for the difference in lipid composition among samples P1, C1, P2, and C2. We first measured the ...
19
J. Braz. Chem. Soc. vol.26 número8
... pheochromocytoma. Liquid chromatography tandem mass spectrometry (LC-MS/MS) method has been developed for the determination of catecholamines and metanephrines in human urine using deuterated ...
8
Determination of Parabens in Breast Milk Samples by Dispersive Liquid-Liquid Microextraction (DLLME) and Ultra-High-Performance Liquid Chromatography Tandem Mass Spectrometry
... performance liquid chromatography coupled to tandem mass spectrometry (UHLPC-MS/MS) to extract and determine simultaneously four parabens in breast milk ...
12
Development of a rapid method for the determination of antibiotic residues in honey using UPLC-ESI-MSMS
... ultra-performance liquid chromatography–tandem mass spectrometry (UPLC–MS/MS) method was developed and validated for the simultaneous analysis of 23 pharmaceuticals, belonging to different ...
7
Brugia malayi excreted/secreted proteins at the host/parasite interface: stage- and gender-specific proteomic profiling.
... reverse-phase liquid chromatography-tandem-mass spectrometry to identify the excretory-secretory (ES) products of the L3, L3 to L4 molting ES, adult male, adult female, and microfilarial ...
12
Development and validation of an analytical method by RP-HPLC for quantification of sibutramine hydrochloride in pharmaceutical capsules
... Shah, Liquid chromatography/electrospray ionization tandem mass spectrometry validated method for the simultaneous quantification of sibutramine and its primary and secondary amine metabolites ...
6
J. Braz. Chem. Soc. vol.21 número8
... and liquid chromatography coupled to electrospray ionization tandem mass spectrometry (LC-ESI-MS-MS) was developed and validated for the determination and conirmation of eighteen polar ...
10
Rev. bras. saúde ocup. vol.42 suppl.1 rbso 42 e1s
... on chromatography and mass spectrometry for determination of S-phenylmercapturic ...and mass spectrometry in the main scientific databases, considering the period between 1951 and ...of ...
14
J. Braz. Chem. Soc. vol.21 número12
... Liquid chromatography with mass spectrometric detection was performed in a Waters Alliance 2695 Separations Module itted with an autosampler, a membrane degasser and a quaternary ...pump. Mass ...
6
J. Braz. Chem. Soc. vol.25 número7
... and liquid chromatography with electrospray interface tandem mass spectrometry was optimized, validated and applied in estuarine and coastal waters under the influence of Rio Grande harbors ...
12
J. Braz. Chem. Soc. vol.28 número2
... performance liquid chromatography-electrospray ionization-tandem mass spectrometry (HPLC-ESI-MS/MS) method was developed for the determination of MOX in serum ...
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