Solid phase extraction

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facet applications:Solid phase extraction

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Showing 11-20 of 46 results

Vitamin D deficiency affects bone health, highlighting its vital role in calcium absorption and bone growth.

Vitamin D epi-Metabolites Separated with HybridSPE-Phospholipid

This Sigma-Aldrich article continues to detail new methodology for the analysis of Vitamin D metabolites using HybridSPE-Phospholipid technology.

HybridSPE^®-Phospholipid Technology

SPE technology uses phospholipid retention, interacting with zirconia ions, for selective phospholipid and protein removal.

Ion Exchange Methodology

Ion Exchange Methodology in Sold Phase Extraction, Counter Ion Selectivity & Ion Exchange and the basic steps.

Solid Phase Extraction: Ion Exchange Methodology

SPE retention mechanism in this case is based on the electrostatic attraction of charged functional groups of the analyte(s) to oppositely charged functional groups on the sorbent.

Ion-Suppression & Phospholipid Contamination

An article focusing on ion-suppression and phospholipid contamination and some of their major causes and difficulties.

LC-MS Analysis of Serum for a Wide Analyte Range Using a Novel HLB SPE Phase

Analysis of 20 pharmaceutical compounds in calf serum using Supel™ Swift HLB SPE cartridge for cleanup and LC-MS determination and another commercially available HLB cartridge for comparison.

Quick, Sensitive LC/MS/MS Analysis of Aflatoxins in Cannabis

Analyte recovery values from spiked cannabis extracts ranged from 102 to 127% with RSD below 12% for 3 replicates. Excellent recovery values were even observed for Aflatoxins B2 and G2 which were spiked at a low level of 6.1 ppb.

LiChrolut Solid Phase Extraction Columns

Explore our selection of high-quality LiChrolut® SPE products for efficient and reliable sample preparation before chromatographic analysis.

LC/MS/MS Method for Determination of Glyphosate, AMPA, and Glufosinate in Cereals

Glyphosate and related compounds are measured in oatmeal and infant cereal using ion-exchange polymer-based particles for HPLC and SPE. Low level detection was obtained.

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