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App Notes

Results 1331–1340 of 1444

Analysis of Monoclonal Antibody Digests with the Agilent 1290 Infinity 2D-LC Solution

| Contributed by Agilent Technologies

This Application Note demonstrates the potential of comprehensive two-dimensional liquid chromatography (LCxLC) using the Agilent 1290 Infinity 2D-LC Solution with DAD detection for the analysis of monoclonal antibody tryptic digests.

Separation of Homologous Series of Technical Detergents with the Agilent 1290 Infinity 2D-LC Solution Coupled to an Evaporative Light Scattering Detector

| Contributed by Agilent Technologies

This Application Note shows the separation of a series of homologous non-ionic surfactants in a technical product with the Agilent 1290 Infinity 2D-LC Solution

Analysis of Beer by Comprehensive 2D-LC with the Agilent 1290 Infinity 2D-LC system

| Contributed by Agilent Technologies

This Application Note demonstrates the use of two-dimensional liquid chromatography for the separation of complex compounds mixtures inherent in commercially available beer samples.

2-Dimensional separation of polyphenols in beverages using the Agilent 1290 Infinity 2D-LC Solution and software-assisted 2D-LC data analysis for comparison of ingredients

| Contributed by Agilent Technologies

This Application Note presents a solution for the analysis of complex samples by an Agilent 1290 Infinity 2D-LC Solution in combination with dedicated softwarefor data analysis.

Determination of active ingredients in solid (pharmaceutical) dosage forms utilizing solid-state standard additions

| Contributed by Metrohm

Two of the leading pain remedies, apirin and acetaminophen, are com-pared with generic samples for content uniformity testing using near-infrared spectroscopy (NIRS).

Rapid Determination of TO-15 Volatile Organic Compounds in Air

| Contributed by Restek

Rapid Determination of TO-15 Volatile Organic Compounds (VOCs) in Air The efficacy of using a Nutech preconcentrator and a 30 m analytical column for VOC analysis of air samples according to Method TO-15 was evaluated. Results demonstrate that method criteria were easily met and in much faster analysis times than typical methods based on 60 m columns.

Chiral LC-MS/MS of D- and L-2-Hydroxyglutaric Acid Biomarkers

| Contributed by Supelco

Chiral 2-hydroxyglutarates (2-OHG) are important molecular signatures of their specific biochemical pathways and inborn errors of metabolism, for both healthy and diseased biological cells

Measuring Protein Aggregation with the Viscotek SEC-MALS 20

| Contributed by Malvern Panalytical

Size-exclusion chromatography (SEC) is a powerful tool that is commonly used to look at theaggregation of proteins.

High speed analysis of pesticides

| Contributed by Knauer

This application note describes a very fast gradient method for the simultaneous determination of nine pesticides commonly used in agriculture.

F-DGSi has nothing to declare, but our One Step Ahead on Gas Systems!

| Contributed by FDGSi

F-DGS I has taken huge steps to improve the functionality of its N2 generators.

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