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Amino acid Analysis With our amino acid measurement (order no. 103) free amino acids are measured, whereas with our total amino acid analysis (order no....
Ammonium Analysis Assay for the determination of ammonium concentrations. The average LOQ is 0.1 mM and might vary depending on the matrix.
Analysis of Total Amino Acid Content With our amino acid measurement (order no. 103) free amino acids are measured, whereas with our total amino acid analysis (order no....
Ascorbate Analysis Quantitation of ascorbic acid (vitamin C) via a proprietary method by UHPLC-MS/MS.
Coulometric Karl-Fischer Titration Determination of water content in solid and liquid samples using coulometric Karl-Fischer titration. Quantification range: 1 ppm -...
Customized Analytical Method Development Xell offers targeted, rapid and efficient services for the development of custom analytical methods and is your ideal partner to...
Dipeptide Analysis UHPLC-MS/MS based measurement of dipeptides. Please contact us for more information.
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Element Analysis Bundle Our ICP-MS method covers the following elemtents. Please select your elements of choice.
Fat-soluble Vitamin Analysis Our UHPLC-MS/MS method covers the following fat-soluble vitamins: Vitamin A: Retinol Vitamin D: Cholecalciferol Vitamin D:...
Glutathione Analysis UHPLC-MS/MS based measurement of glutathione (oxidized and reduced state). Please contact us for more information.
Highly abundant Cation Analysis Measurement of the highly abundant cations Sodium, Potassium, Magnesium, Calcium and Iron using ICP-MS.
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Organic Acid Analysis - UHPLC based method Organic acid content is determined using UHPLC-MS. Citric acid, Fumaric acid, Lactic acid, Malic acid, Pyruvat, Succinic acid,...
Particle Size Distribution Determination of the particle size distribution in solid samples using Laser diffraction plus advanced Polarization Intensity...
Phosphate Analysis Photometric assay for the quantitative analysis of inorganic phosphate (ortho-phosphate).
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Polyamine Analysis Polyamine levels in mammalian cells play a key role in cells’ viability as well as protein synthesis. Knowing the polyamine content...
Qualitative Peptide Size Determination using SEC Qualitative determination of peptide sizes using size exclusion chromatography (SEC). SEC separates polymer molecules based on their...
Water-soluble Vitamin Analysis Our UHPLC-MS/MS method covers the following water-soluble vitamins, vitaminoids and precursors*: Vitamin B1: Thiamine Vitamin B2:...