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A novel method for the quantification of long-chain omega-3 polyunsaturated fatty acids (PUFA) in gummy dietary supplements
Elsevier | 2016|Keywords: internal standard -
A Novel Method to Directly Analyze Dissolved Acetic Acid in Transformer Oil without Extraction Using Raman Spectroscopy
Free accessDOAJ | 2017|Keywords: internal standard -
A novel, sensitive, and widely accessible besifloxacin quantification method by HPLC-fluorescence: Application to an ocular pharmacokinetic study
Elsevier | 2021|Keywords: internal standard -
An overview of analytical methodologies for the determination of antibiotics in environmental waters
Elsevier | 2009|Keywords: internal standard -
An Overview of the Use of Yttrium for Internal Standardization in Inductively Coupled Plasma-Atomic Emission Spectrometry
Taylor & Francis Verlag | 2010|Keywords: internal standard -
An ultra-high-performance liquid chromatography-tandem mass spectrometry method for simultaneous determination of aflatoxins B1, B2, G1, G2, M1 and M2 in traditional Chinese medicines
Elsevier | 2010|Keywords: Internal standard -
An ultra-sensitive UHPLC-QqQ-MS/MS method for determination of 54 benzodiazepines (pharmaceutical drugs, NPS and metabolites) and z-drugs in biological samples
Elsevier | 2022|Keywords: internal standard -
An Update on MRMAssayDB: A Comprehensive Resource for Targeted Proteomics Assays in the Community
Free accessAmerican Chemical Society | 2021|Keywords: internal standard -
A pH-responsive sensor based on intramolecular internal standard for reproducible detection of strong acids and bases via 19F NMR spectroscopy
Elsevier | 2023|Keywords: Internal standard -
A plasma global metabolic profiling approach applied to an exercise study monitoring the effects of glucose, galactose and fructose drinks during post-exercise recovery
Elsevier | 2010|Keywords: internal standard -
A positive–negative switching LC-MS/MS method for quantification of fenoldopam and its phase II metabolites: Applications to a pharmacokinetic study in rats
Elsevier | 2021|Keywords: internal standard -
Application of an HPLC–MS/MS method for mycotoxin analysis in commercial baby foods
Elsevier | 2011|Keywords: Internal standard calibration -
Application of Argon as the Internal Standard Method in Glow Discharge Mass Spectrometry
SAGE Publications | 2007|Keywords: argon internal standard -
Application of high‐field NMR spectroscopy for characterization and quantitation of submilligram quantities of isolated natural products
Wiley | 2015|Keywords: internal standard -
Application of high‐field NMR spectroscopy for characterization and quantitation of submilligram quantities of isolated natural products
Online Contents | 2015|Keywords: internal standard -
Application of Internal Standard for Micro Extraction– Spectrophotometric Determination of Bismuth in Pharmaceutical Formulations
National licenceSpringer Verlag | 2000|Keywords: Bismuth; extraction–spectrophotometry; internal standard; benzyltributylammonium tetraiodobismuthate(III). -
Application of Internal Standard Method for Several 3d-Transition Metallic Elements in Flame Atomic Absorption Spectrometry Using a Multi-wavelength High-resolution Spectrometer
Springer Verlag | 2017|Keywords: internal standard method -
Application of Internal Standard Method for Several 3d-Transition Metallic Elements in Flame Atomic Absorption Spectrometry Using a Multi-wavelength High-resolution Spectrometer
Online Contents | 2017|Keywords: internal standard method -
Application of MALDI-TOFMS Combined with Partial Least Square Regression for the Determination of Mercury and Copper in Canned Tuna, Using Dithizone as the Complexing Agent and Ag(I) as Internal Standard
Springer Verlag | 2018|Keywords: Internal standard -
Application of secondary ion mass spectrometry to the study of carburization of superalloy
Online Contents | 1980|Keywords: Internal Standard Element -
Application of secondary ion mass spectrometry to the study of carburization of superalloy
National licenceSpringer Verlag | 1980|Keywords: Internal Standard Element -
Application of stable isotopes to investigate the metabolism of fatty acids, glycerophospholipid and sphingolipid species
Elsevier | 2014|Keywords: internal standard -
Application of ultra-high-pressure liquid chromatography–tandem mass spectrometry to the determination of multi-class pesticides in environmental and wastewater samples
Study of matrix effectsElsevier | 2008|Keywords: Internal standard -
Application of wastewater-based epidemiology to estimate the usage of beta-agonists in 31 cities in China
Elsevier | 2023|Keywords: internal standard -
Applications and Uncertainty Estimation of Single Level Standard Addition Method ICP-MS for Elemental Analysis in Various Matrix
Springer Verlag | 2018|Keywords: internal standard -
Applications and Uncertainty Estimation of Single Level Standard Addition Method ICP-MS for Elemental Analysis in Various Matrix
Online Contents | 2018|Keywords: internal standard -
Applying an Internal Standard to Improve the Repeatability of In-electrospray H/D Exchange of Carbohydrate-Metal Adducts
Online Contents | 2019|Keywords: Internal standard -
Applying an Internal Standard to Improve the Repeatability of In-electrospray H/D Exchange of Carbohydrate-Metal Adducts
Online Contents | 2019|Keywords: Internal standard -
Approach for Self-Calibrating CO2 Measurements with Linear Membrane-Based Gas Sensors
Free accessDOAJ | 2016|Keywords: internal standard -
A preliminary study procedure for detection of polyamines in plasma samples as a potential diagnostic tool in prostate cancer
Elsevier | 2020|Keywords: internal standard -
A protein standard absolute quantification strategy for enhanced absolute quantification of ricin in complex matrices using in vitro synthesized mutant holoprotein as internal standard by ultra-high-performance liquid chromatography-tandem mass spectrometry
Elsevier | 2023|Keywords: Protein internal standard -
A quantitative LC-MS/MS method for determination of SP-141, a novel pyrido[b]indole anticancer agent, and its application to a mouse PK study
Elsevier | 2014|Keywords: internal standard -
A quantitative LC–MS/MS method for determination of thiazolidinedione mitoNEET ligand NL-1 in mouse serum suitable for pharmacokinetic studies
Elsevier | 2013|Keywords: internal standard -
A quantitative nuclear magnetic resonance spectroscopic method development and validation to determine an absolute amount of levofloxacin hemihydrate in tablet dosage form
Springer Verlag | 2022|Keywords: Internal standard -
A quantitiative LC-MS/MS method for the measurement of arachidonic acid, prostanoids, endocannabinoids, N-acylethanolamines and steroids in human plasma
Elsevier | 2014|Keywords: internal standard -
A Rapid and Feasible 1H-NMR Quantification Method of Ephedrine Alkaloids in Ephedra Herbal Preparations
Free accessDOAJ | 2021|Keywords: internal standard -
A rapid and sensitive LC/MS/MS assay for the quantitation of brimonidine in ocular fluids and tissues
Elsevier | 2008|Keywords: Internal standard -
A rapid gas-chromatographic method for the quantitative determination of clomethiazole in human serum
National licenceElsevier | 1980|Keywords: Internal standard -
A rapid microwave-assisted derivatization process for the determination of phenolic acids in brewer’s spent grains
Elsevier | 2006|Keywords: internal standard -
A rapid ultra HPLC–MS/MS method for the quantitation and pharmacokinetic analysis of 3-deazaneplanocin A in mice
Elsevier | 2013|Keywords: internal standard -
A Reliable Method for Quantification of Phosphonates and Their Impurities by 31P NMR
Taylor & Francis Verlag | 2013|Keywords: Internal standard -
Are there endogenous estrone fatty acyl esters in human plasma or ovarian follicular fluid?
Elsevier | 2011|Keywords: internal standard -
A review of analytical techniques for determination of oxicams, nimesulide and nabumetone
Elsevier | 2008|Keywords: internal standard -
A review of normalization techniques in analytical atomic spectrometry with laser sampling: From single to multivariate correction
Elsevier | 2010|Keywords: Internal standard -
A Robust Direct-transesterification Method for Microalgae
Taylor & Francis Verlag | 2015|Keywords: internal standard -
A robust LC-MS/MS method to measure 8-oxoGuo, 8-oxodG, and NMN in human serum and urine
Elsevier | 2022|Keywords: Internal standard -
A robust method for quantification of volatile compounds within and between vintages using headspace-solid-phase micro-extraction coupled with GC–MS – Application on Semillon wines
Elsevier | 2009|Keywords: Internal standard
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