LC-MS/MS is a powerful tool that brings numerous benefits to the clinical sample analysis arena. However, due to the complexity of the instrumentation there are some unique challenges that also accompany these benefits. Even following sample extraction and cleanup, matrix
Bioanalysis for large molecules, like Proteins or specific Biotherapeutics, refer to a set of methods, assays, and procedures that enable scientists to analyze specific proteins found in living organisms and the biochemical reactions underlying life processes.
Pesticide residue testing of turmeric and other (dried) spices is challenging due to their complex compositions and high matrix. An efficient SPE clean-up can be achieved by a new Dual-layer cartridge.
We have developed Certified Reference Materials (CRMs) of fully intact milk proteins that allow accurate testing of the most critical proteins in infant formula; help labs to develop and test infant formula products with high accuracy, while ensuring legal and
As new “bath salt” drugs such as methylone, ethylone, mephedrone, butylone and other methcathinone analogs increase in popularity, toxicologists require native and labeled certified reference materials to accurately identify and quantify the new compounds in patient samples.
Plasma proteomics holds great promise for the future of biomarker discovery, as well as in vitro diagnostics. Although plasma is readily accessible for analysis, the study of the plasma proteome is fundamentally limited by its vast dynamic range (10
Glycosylation is known to have profound influence on various physiochemical, cellular and biological functions of proteins. Alterations in this modification are known to affect the immune system and have been associated with various pathological states such as cancer, rheumatoid arthritis
The field of proteomics is continually looking for new ways to investigate protein dynamics within complex biological samples. Recently, many researchers have begun to use RNA interference (RNAi) as a method of manipulating protein levels within their samples, but the
Clinical laboratories are beginning to reap the benefits of LC-MS in terms of its sensitivity, specificity, throughput, and potential to reduce cost per sample. The purpose of this study was to demonstrate the LC-MS analysis of Warfarin in plasma samples
Innovative solid phase extraction (SPE) technology from Supelco, utilizes phospholipid retention mechanism based on highly selective interaction between proprietary zirconia ions (bonded to the stationary phase) and the phosphate moiety consistent with phospholipids and proteins.
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