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To determine the titer of adeno-associated viruses (AAV) we apply HPLC. If you are curious to learn more about this method and its...
Antibody-dependent cell-mediated cytotoxicity (ADCC) is a mechanism of cell-mediated immune response, initiated by specific...
With our amino acid measurement (order no. 103) free amino acids are measured, whereas with our total amino acid analysis (order no....
Assay for the determination of ammonium concentrations. The average LOQ is 0.1 mM and might vary depending on the matrix.
With our amino acid measurement (order no. 103) free amino acids are measured, whereas with our total amino acid analysis (order no....
Our HPLC method for quantification of antibodies is based on protein A affinity chromatography. If you are unsure whether your...
Quantitation of ascorbic acid (vitamin C) via a proprietary method by UHPLC-MS/MS.
Determination of TAMC (total aerobic count) on TS-agar and for TYMC (total microbial count of yeasts) on SAB-agar is performed by...
Determination of water content in solid and liquid samples using coulometric Karl-Fischer titration. Quantification range: 1 ppm -...
Spent media analysis is the analysis of the used media over the course of the production process and facilitates the selection of...
Xell offers targeted, rapid and efficient services for the development of custom analytical methods and is your ideal partner to...
The digital droplet PCR (ddPCR) is a method suitable for absolute quantification of DNA and RNA samples without the need of...
UHPLC-MS/MS based measurement of dipeptides. Please contact us for more information.
KONFIGURATOR
Our ICP-MS method covers the following elemtents. Please select your elements of choice.
As an immunological assay, the ELISA (enzyme-linked immunosorbent assay) can be applied for a broad range of cell culture derived...
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.
Measurement of the highly abundant cations Sodium, Potassium, Magnesium, Calcium and Iron using ICP-MS.
Hint!
Organic acid content is determined using UHPLC-MS. Citric acid, Fumaric acid, Lactic acid, Malic acid, Pyruvat, Succinic acid,...
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).
Hint!
Polyamine levels in mammalian cells play a key role in cells’ viability as well as protein synthesis. Knowing the polyamine content...