AIMC Topic: Tandem Mass Spectrometry
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UPLC-MS/MS method for the simultaneous quantification of sofosbuvir, sofosbuvir metabolite (GS-331007) and daclatasvir in plasma of HIV/HCV co-infected patients.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences
Dec 12, 2017
Direct-acting antiviral agents (DAAs) represent the major advance in hepatitis C virus (HCV) infection treatment leading to extremely high eradication rates in HCV mono- and HIV/HCV co-infected patients. In this scenery, availability of Therapeutic D...
Rapid and sensitive method for simultaneous determination of first-line anti-tuberculosis drugs in human plasma by HPLC-MS/MS: Application to therapeutic drug monitoring.
Tuberculosis (Edinburgh, Scotland)
Nov 24, 2017
First-line anti-tuberculosis drugs are playing vital roles for curbing rapid spread of tuberculosis. Multidrug therapies are commonly applied in clinical to achieve better treatment outcomes. However, drug resistance and adverse reactions come along ...
pDeep: Predicting MS/MS Spectra of Peptides with Deep Learning.
Analytical chemistry
Nov 21, 2017
In tandem mass spectrometry (MS/MS)-based proteomics, search engines rely on comparison between an experimental MS/MS spectrum and the theoretical spectra of the candidate peptides. Hence, accurate prediction of the theoretical spectra of peptides ap...
Determination of ractopamine and salbutamol in pig hair by liquid chromatography tandem mass spectrometry.
Journal of food and drug analysis
Nov 12, 2017
A liquid chromatography tandem mass spectrometric method was developed for the determination of two β-agonists (ractopamine and salbutamol) in pig hair samples. An isotope of ractopamine-d5 or salbutamol-d6 as an internal standard was used to carry o...
Development and validation of an LC-MS/MS method for quantification of NC-8 in rat plasma and its application to pharmacokinetic studies.
Journal of food and drug analysis
Nov 11, 2017
ent-16-Oxobeyeran-19-N-methylureido (NC-8) is a recently synthesized derivative of isosteviol that showed anti-hepatitis B virus (HBV) activity by disturbing replication and gene expression of the HBV and by inhibiting the host toll-like receptor 2/n...
A rapid and sensitive supercritical fluid chromatography/tandem mass spectrometry method for detection of ezetimibein dog plasma and its application in pharmacokinetic studies.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences
Oct 28, 2017
The aim of this study is to develop and validate a rapid, high-selective and sensitive supercritical fluid chromatography/tandem mass spectrometry (SFC-MS/MS) with a multiple reactions monitoring (MRM) mode method for the detection of ezetimibe in do...
Lycopene-rich extract from red guava (Psidium guajava L.) displays cytotoxic effect against human breast adenocarcinoma cell line MCF-7 via an apoptotic-like pathway.
Food research international (Ottawa, Ont.)
Oct 27, 2017
This study investigated a lycopene-rich extract from red guava (LEG) for its chemical composition using spectrophotometry, mass spectrometry, attenuated total reflectance-fourier transform infrared spectroscopy (ATR-FTIR), and computational studies. ...
Sequence-Based Prediction of Cysteine Reactivity Using Machine Learning.
Biochemistry
Oct 26, 2017
As one of the most intrinsically reactive amino acids, cysteine carries a variety of important biochemical functions, including catalysis and redox regulation. Discovery and characterization of cysteines with heightened reactivity will help annotate ...
Simultaneous LC-MS/MS determination of 40 legal and illegal psychoactive drugs in breast and bovine milk.
Food chemistry
Oct 10, 2017
This work presents a fast, sensitive and reliable multi-residue methodology based on fat and protein precipitation and liquid chromatography-tandem mass spectrometry for the determination of common legal and illegal psychoactive drugs, and major meta...
Modified QuEChERS method for 24 plant growth regulators in grapes using LC-MS/MS.
Journal of food and drug analysis
Sep 22, 2017
A multiresidue analytical method was developed for grapes for the following 24 plant growth regulators: 1-naphthylacetamide, 2,3,5-triiodobenzoic acid, 2,4,5-T, 2-naphthoxyacetic acid, 3-indolylacetic acid, 4-(3-indolyl)-butyric acid, 4-chlorophenoxy...
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