Technique: HILIC

Applications

Amino acids by gradient HILIC-ELSD and TSKgel Amide-80
HILIC

Separation of selected amino acids

Amino acids are the fundamental building blocks of all proteins and therefore essential constituents of many nutritional supplements and can also be present in pharmaceutical formulations. Due to the highly hydrophilic nature and zwitterionic charge at neutral pH of many amino acids and their structurally related degradation products, hydrophilic interaction chromatography is an attractive mode of separation that require no derivatization, while evaporative light scattering enables rather sensitive detection of these poorly light-absorbing compounds.

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Simple carbohydrates by HILIC-ELSD and Luna Omega Sugar
HILIC

Separation of simple sugars and carbohydrates

Simple carbohydrates are frequent ingredients in drinks, food, dietary supplements and pharmaceutical formulations. One approach to their analysis is hydrophilic interaction chromatography combined with evaporative light scattering detection, although this might be challenging due to the possibility of reducing sugars to mutarotate and thereby change their conformation into other anomers with different retention.

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Nucleosides and nucleobases on ZIC-cHILIC column and Agilent system
HILIC

Separation of nucleosides and nucleobases

Being one of the basic components of all cells as building blocks of DNA and RNA, there is a high and growing need for bioanalytical methods to determine nucleosides, nucleobases and related compounds in a variety of samples. Hydrophilic interaction chromatography is one of the most suitable approaches for this, due to the hydrophilicity of these compounds as demonstrated by their negative logP and logD values.

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