Application Notes: LC
HPLC Analysis of Finasteride Using an Epic C18 HPLC Column
The Epic C18 column provides efficient and repeatable separations for finasteride, meeting all suitability requirements in the USP monograph.
HPLC Analysis of Betamethasone Dipropionate Using Epic C18 HPLC Column
The superior base deactivation and high-density bonding technology of the Epic C18 phase yields excellent peak shape in betamethasone analyses.
HPLC Analysis of Acetaminophen, Aspirin, and Caffeine Using an Epic C18 Column in Accordance with the USP
This application brief describes the use of an Epic C18 column for the analysis of acetaminophen, aspirin, and caffeine yielding rapid and reproducible results.
HPLC Analysis of Common Ginsenosides Found in Ginseng Using the Chinese Pharmacopeia
This application brief describes the use of an EpicTM C18 to analyze three ginsenosides using a method based on the Chinese Pharmacopeia.
Purification of Peptides and Proteins
Learn how to use flash chromatography and prep HPLC for protein purification, parameters that improve resolution, and how to select the stationary phase and solvent.
Determination of PAH4 in Edible Oils with Automated Sample Preparation
This note demonstrates the determination of PAH4 inedible oils with automated sample enrichment and matrix elimination (online solid-phase extraction - online SPE).
Dual Injection (U)HPLC for Analysis of Pharmaceuticals
This application demonstrates the efficiency, throughput, and reliability of a dual-injection system for finished pharmaceutical products and in-process APIs.
Single-Step Purification of Minor Cannabinoids by CPC
Cannabinoids have similar molecular structures, making purification a challenging step. Learn how centrifugal partition chromatography can simplify this process.
App Note: A Rainbow of Synthesized Color
Synthetically derived food and beverage dye analysis to meet regulatory requirements aimed at reducing the risk of allergies, cancers, and attention deficits.
Pharmaceutical Quality Control: The Reference Standards Labyrinth (NA)
Hexavalent Chromium Determination Hamilton PRP-X100 Anion Exchange HPLC Column v2
Arsenic Speciation on Hamilton PRP-X100 v2
Separation of Halo Acetic Acids by Ion Exclusion
Flexible Anion Analysis with Hamilton PRP-X100 and X110 Columns v2
Separation of Aflatoxins on HxSil C18 v2
Promoter or Polluter? Separation of Triazines on HxSil C18 Column v2
Pharmaceutical Quality Control: The Reference Standards Labyrinth
Garlic, Panacea or Placebo
Sulfide compounds found in garlic oils are used in therapeutics and prophylaxis of certain cancers and are prevalent in cell health.
Legumes – Blessing and Curse?
Identification and quantification of the raffinose family of oligosaccharides allows a more thorough understanding of an individual’s gut health.
Rapid Analysis of Plasmid Topoisomers
AEX using a TSKgel® DNA-NPR column offers a rapid method for discriminating between covalently closed circular, open circular, and linear forms of plasmid DNA.
Saccharide Identification in Packaged Foods
Identification of the five most common saccharides found in packaged foods, lactose, maltose, sucrose, fructose, and glucose, is easily resolved on the RCX-30 column.
Comprehending COVID-19: Preliminary Examination of the SARS-CoV-2 Spike Protein by Peptide Mapping
Robust and accurate primary sequence confirmation and monitoring of post-translational modifications of the SARS-CoV-2 spike protein using the BioAccord LC–MS system.
Improved Chromatographic Analysis of Oligonucleotides with ACQUITY PREMIER Oligonucleotide BEH C18 Columns
Eliminate the need for column conditioning, improve recovery, and improve repeatability by minimizing non-specific oligonucleotide interactions with metal surfaces.
Comprehending COVID-19: Rapid and Sensitive Characterization of N-Glycans from SARS-CoV-2 Spike Protein
A rapid, sensitive, and reproducible method for understanding the SARS-CoV-2 spike protein N-glycosylation profile using the GlycoWorks RapiFluor MS N-Glycan Kit.
Best Practices for Oligonucleotide Analysis Using Ion-Pair Reversed-Phase (IP-RP) Liquid Chromatography – Columns and Chemistries
Review of the best practices for oligonucleotide analysis and purification to achieve high quality oligonucleotides for COVID-19 diagnostic or therapeutic applications.
Comprehending COVID-19: Fast Analysis of Ribavirin and Related Compounds Using Hydrophilic Interaction Chromatography
A HILIC method for baseline separation of ribavirin from isobaric and structurally similar species within 6 minutes using an ACQUITY UPLC BEH Amide column.
Comprehending COVID-19: Using the Atlantis PREMIER BEH C18 AX Mixed-Mode Column for the Analysis of Umifenovir
This work demonstrates how to achieve sharper peaks and faster elution of basic analytes like umifenovir using a mixed-mode Atlantis PREMIER BEH C18 AX column.
Comprehending COVID-19: Analytical Science in the Context of COVID-19
We discuss the role of LC and LC–MS for select COVID-19 applications to better understand the use of analytical technologies mobilized in the fight against the pandemic.
App Note: From recent trends in data integrity regulations to Pharma 4.0
This white paper demonstrates a vendor’s perspective on recent trends in regulations and the potential future direction for the industry.
App Note: Analysis of Biogenic Amines in Wine
This application note demonstrates the direct analysis of biogenic amines in Tempranillo red wine using ion pair chromatography prior to MS analysis.