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TLC Analysis of Caffeine in Coffee Samples, Quantification of Analyte Concentration
Boiled coffee samples were extracted and filtered with a 0.45 μm Millex syringe filter.
Determination of Caffeine in Coffee using High Performance Thin Layer Chromatography
HPTLC was used to analyze caffeine in coffee. Filtration of coffee through a PTFE syringe filter was the only sample preparation. Quantitation was conducted with a TLC scanner.
HPLC Analysis of Anthocyanins in Red Wine on Ascentis® C18
-glucoside chloride; Malvidin 3-glucoside; Delphinidin 3-(6-acetylglucoside); Cyanidin 3-(6-acetylglucoside); Petunidin 3-(6-acetylglucoside); Peonidin 3-(6-acetylglucoside); Malvidin 3-(6-acetylglucoside); Malvidin 3-(6-caffeoylglucoside); Petunidin 3-(6-cumarylglucoside); Peonidin 3-(6-cumarylglucoside); Malvidin 3-(6-cumarylglucoside)
Analysis of Vitamin D in Milk and Infant Formula using UHPLC/MS/MS per AOAC Method 2011.11
While quantitative analysis was performed for Vitamins D2 and D3, the samples were scanned for the presence of the 25-hydroxy metabolites.
Rapid Antibody Concentration with Amicon® Ultra Centrifugal Filters
Purification protocols for immunoglobulins generally include affinity binding to Protein A or G chromatography media, washing unbound proteins, and eluting with a low pH buffer.
AD030 Particle Monitoring Guide – Analysis Techniques – Microscope-Based Techniques
Microscopy is an effective way to determine the nature, size, and source of contamination. In this section, you can find some detailed methods important for optical microscopy, as well as important considerations for scanning electron microscopy (SEM).
Samplicity® G2 Filtration System
Review resources about adding the Samplicity® filtration system to your HPLC workflow. Watch our step-by-step video to understand how the Samplicity® G2 filtration system works and use our application notes to learn more about how the Samplicity® G2 filtration system
HPLC Analysis of Water-Soluble Vitamins Using Titan C18 Column
The B vitamins are very hydrophilic, consequently a gradient with a low concentration of methanol and acidic mobile phase was used for elution under reversed-phase conditions.
Determination of Quinine in Tonic Water and Caffeine in Coffee and Cola Drinks Using TLC-MS
HPTLC–MS analysis of quinine in tonic water and caffeine in coffee and cola drinks. Tonic and cola drinks decarbonized through ultrasonication, and coffee extracted through PTFE filter.
Millicup™-FLEX Disposable Vacuum Filtration Units and demo video
Millicup™-FLEX disposable vacuum filter was designed to reduce contamination and save time. The solvent-resistant unit allows for filtration into storage bottles.
User Guide Dispensing Pressure Vessel Fitting Kit
This is a User Guide Dispensing Pressure Vessel Fitting Kit from Millipore.