Literature


Results for QDa
Description
Analysis of Vitamins A and E in Serum by UPLC-QDa for Clinical Research
Library Number: APNT135081767 | Format: PDF | File Size: 464.38 kB | Year: 2021 | Content Type: Application Notes

This application brief describes a clinical research method for the simultaneous analysis of vitamins A and E in serum by single quadrupole mass detector, the ACQUITY QDa.

Analysis of Organic Acids using a Mixed-Mode LC Column and an ACQUITY QDa Mass Detector
Library Number: APNT135074490 | Format: PDF | File Size: 967 kB | Year: 2020 | Content Type: Application Notes

In this application note we describe the development of an analytical solution based on Waters Atlantis PREMIER C18 AX column and Waters ACQUITY QDa detector to address the major issues in OA analysis.

DART-QDa for the Rapid Differentiation of Curcuma longa and Curcuma xanthorrhiza in Adulterated Spic...
Library Number: APNT135077703 | Format: PDF | File Size: 672.94 kB | Year: 2020 | Content Type: Application Notes

This application note describes the use of Waters DART QDa System with Live ID to successfully differentiate between seemingly identical samples of turmeric spice based on differing levels of high value antioxidant anti-inflammatory chemoprotective active...

Analysis of Cannabinoids in Cannabis Plant Materials and Edible Products Using UltraPerformance Liqu...
Library Number: APNT135082330 | Format: PDF | File Size: 1919 kB | Year: 2021 | Content Type: Application Notes

In this study, an ACQUITY UPLC H-Class System with both the ACQUITY PDA and the ACQUITY QDa Mass Detector was used for the analysis of 18 cannabinoids in cannabis flower, hemp, and edible products, including gummies, chocolates, and beverages.

ACQUITY QDa Detector QC Applications Compendium
Library Number: APNT134973697 | Format: PDF | File Size: 11217.29 kB | Year: 2018 | Content Type: Application Notes

This notebook illustrates about Acquity QDa detector applications in QC workflow.

Synthetic Reaction Monitoring Using the Waters ACQUITY UPLC H-Class PLUS Binary System Coupled to Ph...
Library Number: APNT135077005 | Format: PDF | File Size: 405.22 kB | Year: 2020 | Content Type: Application Notes

This application note is to demonstrate the utility of the ACQUITY UPLC H-Class PLUS Binary System’s ability to perform short, ballistic gradients for rapid, high throughput chromatographic analysis.

Development of a Robust Method for Analysis of Aspirin and Related Substances Using a Statistical So...
Library Number: APNT135082347 | Format: PDF | File Size: 1595.7 kB | Year: 2021 | Content Type: Application Notes

In this application note, we develop a MS compatible method for aspirin API and its related substances using a Fusion QbD method development software.

Rapid Detection of Undeclared Active Ingredients in Online Health Supplements Using DART (Direct Ana...
Library Number: APNT135030184 | Format: PDF | File Size: 1586.53 kB | Year: 2019 | Content Type: Application Notes

Rapid detection of undeclared pharmaceuticals in herbal supplements using DART QDa system.

Systematic Toxicological Analysis (STA) Using the ACQUITY QDa Mass Detector - Part I
Library Number: APNT135042666 | Format: PDF | File Size: 888.96 kB | Year: 2020 | Content Type: Application Notes

An introduction to using mass detection in forensic toxicology screening.

Evaluation of the DART QDa System for Forensic Drug Screening
Library Number: APNT135004816 | Format: PDF | File Size: 1847.43 kB | Year: 2018 | Content Type: Application Notes

This technology brief assess the feasibility of using the DART™ QDa™ System for preliminary forensic drug screening.

Systematic Toxicological Analysis (STA) Using the ACQUITY QDa Mass Detector - Part II
Library Number: APNT135042267 | Format: PDF | File Size: 711.46 kB | Year: 2020 | Content Type: Application Notes

Evaluation of a fast and simple OASIS PRiME SPE method for xenobiotics in biological samples.

Evaluation of the ACQUITY UPLC H-Class System with ACQUITY QDa Mass Detector for the Determination o...
Library Number: APNT135024242 | Format: PDF | File Size: 583.51 kB | Year: 2019 | Content Type: Application Notes

Evaluate the UPLC-QDa system as an alternate analytical technique for the analysis of two commonly abused drug classes.

ACQUITY QDa Detector QC Applications Compendium
Library Number: APNT134920530 | Format: PDF | File Size: 12125.72 kB | Year: 2017 | Content Type: Application Notes

Here we learn the application of QDa detector in QC workflow improvement.

Determination of Trace Mono-Carbonyl Compounds in E-Cigarette Aerosols by LC-MS
Library Number: APNT135073521 | Format: PDF | File Size: 1542 kB | Year: 2020 | Content Type: Application Notes

This application note describes a simplified solution for the analysis of mono-carbonyls at low levels in complex aerosol sample matrices with good sensitivity and selectivity using a UPLC coupled to single quadrupole mass spectrometer (ACQUITY QDa Mass D...

Mass Detection Application eBook
Library Number: APNT135043301 | Format: PDF | File Size: 10845.23 kB | Year: 2019 | Content Type: Application Notes

This eBook contains key application notes that demonstrate the capability and performance of both the ACQUITY QDa Mass Detector and the BioAccord System with the ACQUITY RDa mass detector for routine biopharmaceutical analyses and monitoring applications.

Qualitative and Quantitative Analysis of Gentamicin Sulfate and Related Impurities on ACQUITY UPLC w...
Library Number: APNT135024044 | Format: PDF | File Size: 1064.09 kB | Year: 2019 | Content Type: Application Notes

Effective method development for the qualitative and quantitative analysis of gentamicin sulfate and related impurities.

Quick Analysis of N-nitrosodimethylamine (NDMA) in Ranitidine Drug Substance and Drug Product by HPL...
Library Number: APNT135067870 | Format: PDF | File Size: 395.41 kB | Year: 2020 | Content Type: Application Notes

The ACQUITY Arc System with PDA Detector, integrated with an ACQUITY QDa Mass Detector, enables accurate analysis of NDMA in ranitidine drug substance and drug product.

Integrating Cost-Effective Mass Detection into Oligonucleotide Analyses with the ACQUITY QDa
Library Number: APNT134934824 | Format: PDF | File Size: 510.71 kB | Year: 2017 | Content Type: Application Notes

This technology brief demonstrates that the ACQUITY QDa Detector is able to detect and report mass information for a diverse set of oligonucleotides.

Rapid Determination of Cinnamomum Species Using the DART QDa System with LiveID for Ground Spice Aut...
Library Number: APNT135001862 | Format: PDF | File Size: 1347.21 kB | Year: 2018 | Content Type: Application Notes

In this application note, we demonstrate the use of the DART QDa System with LiveID Software to rapidly determine the species level identity of cinnamon for label claim verification and authenticity purposes for the food industry.

Separation of Organic Acids with Mixed-Mode LC Column and Mass Detector
Library Number: APNT135042592 | Format: PDF | File Size: 231.98 kB | Year: 2020 | Content Type: Application Notes

Demonstrates Waters Atlantis PREMIER BEH C18 AX Column and ACQUITY QDa Mass Detector provides a fast analysis of organic acids.

A Single System for the Characterization of Molecular Weight Distribution and Additives in Polymers
Library Number: APNT135057775 | Format: PDF | File Size: 1106.28 kB | Year: 2020 | Content Type: Application Notes

This application brief demonstrates how an ACQUITY Advanced Polymer Chromatography (APC) System combined with the Waters 2414 Refractive Index (RI) Detector and the Waters ACQUITY QDa Mass Detector can accelerate polymer analysis accurately measuring poly...

Rapid Determination of Whisky Brands Using the DART QDa with LiveID System for Alcoholic Beverage Qu...
Library Number: APNT135018953 | Format: PDF | File Size: 1378.26 kB | Year: 2019 | Content Type: Application Notes

Analysis of blended whisky brands to determine brand authenticity.

Interpreting MS Spectra Acquired Within Empower 3 Using the ACQUITY QDa Mass Detector
Library Number: APNT135028141 | Format: PDF | File Size: 1362.56 kB | Year: 2019 | Content Type: Application Notes

The ability to directly export MS spectral data for increased flexibility in data interpretation with Empower 3 is described.

Reliable HPLC/UV Quantification of Nitrosamine Impurities in Valsartan and Ranitidine Drug Substance...
Library Number: APNT135044546 | Format: PDF | File Size: 495.43 kB | Year: 2020 | Content Type: Application Notes

The ACQUITY Arc System with PDA Detector, integrated with an ACQUITY QDa Mass Detector for accurate mass confirmation, enables reliable quantification of nitrosamine impurities in valsartan and ranitidine drug substances.

Improving Detection Limits of ADC Free-Drug Impurities Using the ACQUITY QDa Mass Detector
Library Number: APNT134956217 | Format: PDF | File Size: 684.51 kB | Year: 2017 | Content Type: Application Notes

This technology brief demonstrates the Waters® ACQUITY® QDa® Detector can increase the dynamic range and detection limits of UV-based impurity assays for formulated ADC samples.