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Amino acid Analysis
Our quantitative UPLC-UV method covers the following amino acids: Alanine Arginine Asparagine Aspartate Citrulline Cystine/Cysteine*...
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
Our proprietary amino acid method will be applied after HCl hydrolysis and appropriate sample preparation.
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...
UHPLC-MS/MS based measurement of dipeptides. Please contact us for more information.
Element Analysis Bundle
Our ICP-MS method covers the following elemtents. Please select your elements of choice.
The LAL (Limulus amoebocyte lysate) test is used to detect and/or quantify endotoxins from gram-negative bacterial origin. Endosafe...
Fat-soluble Vitamin Analysis
Our UHPLC-MS/MS method covers the following fat-soluble vitamins: Vitamin A: Retinol Vitamin D: Cholecalciferol Vitamin D:...
UHPLC-MS/MS based measurement of glutathione (oxidized and reduced state). Please contact us for more information.
Organic Acid Analysis - Colorimetric Assay
Organic acid content is determined using abcam colorimetric kits in combination with Thermo Fisher multimode plate reader (Varioskan...
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...
Photometric assay for the quantitative analysis of inorganic phosphate (ortho-phosphate).
Phytic Acid Analysis
Photometric assay for the quantitative analysis of phytic acid (measured as phosphorous release by phytase and alkaline phosphatase).
Polyamine levels in mammalian cells play a key role in cells’ viability as well as protein synthesis. Knowing the polyamine content...