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The Application of Quantitative 1H-NMR for the Determination of Orlistat in Tablets
Free accessDOAJ | 2017|Keywords: internal standard method -
An Endoscope-like SERS Probe Based on the Focusing Effect of Silica Nanospheres for Tyrosine and Urea Detection in Sweat
Free accessDOAJ | 2022|Keywords: internal standard -
Experimento didático sobre cromatografia gasosa: uma abordagem analítica e ambiental Didactic experiment on gas chromatography: an environmental and analytical approach
Free accessDOAJ | 2008|Keywords: internal standard -
Experimento utilizando grãos para explorar a calibração em análises químicas
Free accessDOAJ | 2014|Keywords: internal standard -
LC–MS/MS quantitative analysis of phylloquinone, menaquinone-4 and menaquinone-7 in the human serum of a healthy population
Free accessDOAJ | 2019|Keywords: Deuterated internal standard -
Validated Simple HPLC-UV Method for Mycophenolic Acid (MPA) Monitoring in Human Plasma. Internal Standardization: Is It Necessary?
Free accessDOAJ | 2021|Keywords: internal standard -
A Rapid and Feasible 1H-NMR Quantification Method of Ephedrine Alkaloids in Ephedra Herbal Preparations
Free accessDOAJ | 2021|Keywords: internal standard -
An Approach Based on an Increased Bandpass for Enabling the Use of Internal Standards in Single Particle ICP-MS: Application to AuNPs Characterization
Free accessDOAJ | 2023|Keywords: internal standard -
A Molecular Lateral Flow Assay for SARS-CoV-2 Quantitative Detection
Free accessDOAJ | 2022|Keywords: internal standard -
Evaluation of a Stable Isotope-Based Direct Quantification Method for Dicamba Analysis from Air and Water Using Single-Quadrupole LC–MS
Free accessDOAJ | 2020|Keywords: internal standard quantification -
A Novel Method to Directly Analyze Dissolved Acetic Acid in Transformer Oil without Extraction Using Raman Spectroscopy
Free accessDOAJ | 2017|Keywords: internal standard -
Approach for Self-Calibrating CO2 Measurements with Linear Membrane-Based Gas Sensors
Free accessDOAJ | 2016|Keywords: internal standard -
Mapping of Sulfur Isotopes and Trace Elements in Sulfides by LA-(MC)-ICP-MS: Potential Analytical Problems, Improvements and Implications
Free accessDOAJ | 2016|Keywords: internal standard element -
Cold Plasma: The Way to Improve the Repeatability of Sald ICP-MS Analysis
Free accessDOAJ | 2018|Keywords: Internal Standard -
Interlaboratory study of the method for direct determination of volatile compounds in alcoholic products using ethanol as internal standard
Free accessDOAJ | 2020|Keywords: internal standard -
Linking a rapid throughput plate-assay with high-sensitivity stable-isotope label LCMS quantification permits the identification and characterisation of low β-L-ODAP grass pea lines
Free accessDOAJ | 2019|Keywords: 13C-internal standard -
A data-driven approach for the detection of internal standard outliers in targeted LC-MS/MS assays
Free accessDOAJ | 2021|Keywords: Internal standard -
Evaluation of different internal standards for precious metals quantification
Free accessDOAJ | 2016|Keywords: Internal standard -
Improved internal standard LIBS method used in CLF-1 exposure to liquid lithium
Free accessDOAJ | 2020|Keywords: Improved internal standard LIBS method -
4-Mercaptobenzoic Acid Labeled Gold-Silver-Alloy-Embedded Silica Nanoparticles as an Internal Standard Containing Nanostructures for Sensitive Quantitative Thiram Detection
Free accessDOAJ | 2019|Keywords: internal standard -
Rapid Analysis for Staphylococcus aureus via Microchip Capillary Electrophoresis
Free accessDOAJ | 2021|Keywords: space domain internal standard method -
Synthesis of (±)-3,4-dimethoxybenzyl-4-methyloctanoate as a novel internal standard for capsinoid determination by HPLC-ESI-MS/MS(QTOF)
Free accessDOAJ | 2018|Keywords: internal standard -
Quantitative SERS Analysis by Employing Janus Nanoparticles with Internal Standards
Free accessDOAJ | 2023|Keywords: internal standard -
Determination of 31 Polycyclic Aromatic Hydrocarbons in Plant Leaves Using Internal Standard Method with Ultrasonic Extraction–Gas Chromatography–Mass Spectrometry
Free accessDOAJ | 2022|Keywords: internal standard method -
Enhanced Metabolome Coverage and Evaluation of Matrix Effects by the Use of Experimental-Condition-Matched 13C-Labeled Biological Samples in Isotope-Assisted LC-HRMS Metabolomics
Free accessDOAJ | 2020|Keywords: internal standard -
Uncertainty Evaluation of Indicative Polychlorinated Biphenyls in Fish by Gas Chromatography
Free accessDOAJ | 2024|Keywords: internal standard method -
A comparison of semi-quantitative methods suitable for establishing volatile profiles
Free accessDOAJ | 2018|Keywords: Internal standard -
Fabrication and Characterization of a Highly-Sensitive Surface-Enhanced Raman Scattering Nanosensor for Detecting Glucose in Urine
Free accessDOAJ | 2018|Keywords: internal standard -
Quantitative Analysis of Portland Cement Clinker with Rietveld Refinement: Implications of the Amorphous Matter
Free accessDOAJ | 2021|Keywords: internal standard -
TBS-pyrrole as an “universal” reference to quantify artemisinin and structurally-diverse natural products in plants extracts by NMR
Free accessDOAJ | 2023|Keywords: NMR internal standard -
Practical mineralogical quantification of bentonites supported for a PXRD calibrated hkl model
Free accessDOAJ | 2021|Keywords: internal standard method -
Determination of 20 Kinds of Cephalosporins Residues in Animal Derived Food by QuEChERS-LC-MS/MS with Isotope Internal Standards Method
Free accessDOAJ | 2022|Keywords: isotope internal standard -
Mitigating analyte to stable isotope labelled internal standard cross-signal contribution in quantitative liquid chromatography-tandem mass spectrometry
Free accessDOAJ | 2022|Keywords: Stable isotope labelled internal standard -
Improvements in the QUALITATIVE HCV UMELOSA test to detect the RNA of the hepatitis C virus
Free accessDOAJ | 2016|Keywords: internal standard -
Selection of an internal standard to determine mass concentration of uranium in human urine by inductively coupled plasma mass-spectrometry
Free accessDOAJ | 2023|Keywords: internal standard; -
Microscale Quantitative Analysis of Polyhydroxybutyrate in Prokaryotes Using IDMS
Free accessDOAJ | 2017|Keywords: 13C-labeled internal standard -
Determination of Carotenoids in Human Serum and Breast Milk Using High Performance Liquid Chromatography Coupled with a Diode Array Detector (HPLC-DAD)
Free accessDOAJ | 2017|Keywords: internal standard -
Quantitation of cardiolipin molecular species in spontaneously hypertensive heart failure rats using electrospray ionization mass spectrometry
Free accessDOAJ | 2005|Keywords: internal standard -
Quantitative determination of UF3 in LiF-BeF2 molten salt system based on XRD internal standard method
Free accessDOAJ | 2024|Keywords: internal standard method -
Dispersive Solid-Phase Extraction and Ultra-Performance Liquid Chromatography–Tandem Mass Spectrometry—A Rapid and Accurate Method for Detecting 10 Macrolide Residues in Aquatic Products
Free accessDOAJ | 2024|Keywords: isotopically labelled internal standard -
Determination of Response Factors for Analytes Detected during Migration Studies, Strategy and Internal Standard Selection for Risk Minimization
Free accessDOAJ | 2023|Keywords: internal standard -
Rapid analysis of fifteen sulfonamide residues in pork and fish samples by automated on-line solid phase extraction coupled to liquid chromatography–tandem mass spectrometry
Free accessDOAJ | 2020|Keywords: Internal standard quantification -
Matrix-matched calibration in LA-ICP-MS of silicate, phosphate and carbonate minerals: application of G-Probe samples
Free accessDOAJ | 2020|Keywords: internal standard -
Avaliação da padronização interna em espectrometria de absorção atômica utilizando gráficos de correlação Evaluation of internal standardization in atomic absorption spectrometry using correlation graphs
Free accessDOAJ | 2005|Keywords: internal standard -
A High-Throughput Absolute Abundance Quantification Method for the Characterisation of Daqu Core Fungal Communities
Free accessDOAJ | 2022|Keywords: internal standard plasmids -
Quantification of Oligonucleotides Using Tandem Mass Spectrometry with Isobaric Internal Standards
Free accessDOAJ | 2023|Keywords: internal standard -
Detection of Lung Cancer via Blood Plasma and 1H-NMR Metabolomics: Validation by a Semi-Targeted and Quantitative Approach Using a Protein-Binding Competitor
Free accessDOAJ | 2021|Keywords: maleic acid internal standard -
Determination of Polycyclic Aromatic Hydrocarbons (PAHs) and Phthalates in Human Placenta by Mixed Hexane/Ether Extraction and Gas Chromatography–Mass Spectrometry/Mass Spectrometry (GC-MS/MS)
Free accessDOAJ | 2023|Keywords: internal standard method -
Olaris Global Panel (OGP): A Highly Accurate and Reproducible Triple Quadrupole Mass Spectrometry-Based Metabolomics Method for Clinical Biomarker Discovery
Free accessDOAJ | 2024|Keywords: U-13C-metabolite internal standard -
Preparation of uniformly labelled 13C- and 15N-plants using customised growth chambers
Free accessDOAJ | 2020|Keywords: Internal standard
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