Solid phase extraction

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facet applications:Solid phase extraction

facet content type:Technical Article

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Normal-Phase Methodology in Solid Phase Extraction Microbiology. In order g003572 for polar retention to occur between the sorbent and the sample, the analyte must be introduced to the SPE device in a non-polar sample or mobile phase environment.

Method Optimization for LC-MS Analysis of Vitamin D Metabolite Critical Pairs in Serum

Novel sample prep technique coupled with the unique selectivity of the Ascentis Express F5 column enables a fast and simplified bioanalytical method for associated vitamin D metabolites.

HybridSPE®-Phospholipid Technology

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.

Solid Phase Extraction: Reversed-Phase Methodology

Reversed-phase interaction will retain most molecules with hydrophobic character; it is very useful for extracting analytes that are very diverse in structure within the same sample.

Analysis of Pesticide Residues in Pistachios Using QuEChERS Extraction and Cleanup with Supel™ QuE Z-Sep+

Pistachios contain approximately 45% fat, which can result in a significant amount of coextracted matrix in the acetonitrile extract generated using the QuEChERS procedure. A zirconia based adsorbent significantly reduces coextracted matrix prior to LC-MS or GC-MS.

Investigating Matrix Interference in Analysis of Antiarrhythmic Cardiac Drugs in Plasma

For efficient therapeutic drug monitoring, it is important for clinicians to have access to fast and robust analytical methods for accurate assessment of drug efficacy. Industrial trends toward highly specific LC/MS applications over traditional immunoassay have resulted in the need

Two Distinct Sample Prep Approaches to Overcome Matrix Effect in LC/MS of Serum or Plasma Samples

This article highlights the impact that sample matrix effects can have on LC/MS response and discusses two novel approaches to reduce it.

Molecularly Imprinted Polymer SPE- Acid NSAIDs from Muscle

A new, successfully developed and validated LC-MS-MS method allowing the extraction of NSAIDs from poultry muscle tissue using Molecularly Imprinted Polymer (MIP) SPE.

A Comparison of Two Solid Phase Extraction Methods for the Analysis of Polyaromatic Hydrocarbons in Butter

Analysis of PAHs in butter can pose a special challenge due to the high fat content and the lipophilic nature of PAHs.

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Method Optimization for LC-MS Analysis of Vitamin D Metabolite Critical Pairs in Serum

Using HybridSPE-Phospholipid, Ascentis Express, and Other LC-MS Workflow Components

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