Related Experiment Video
Updated: Jun 7, 2026

Preparation of Highly Porous Coordination Polymer Coatings on Macroporous Polymer Monoliths for Enhanced Enrichment of Phosphopeptides
Published on: July 14, 2015
Direct modification of hydrogen/deuterium-terminated diamond particles with polymers to form reversed and strong
Li Yang1, David S Jensen, Michael A Vail
1Department of Chemistry and Biochemistry, Brigham Young University, C100 BNSN, Provo, UT 84602, USA.
Abstract:
We describe direct polymer attachment to hydrogen and deuterium-terminated diamond (HTD and DTD) surfaces using a radical initiator (di-tert-amyl peroxide, DTAP), a reactive monomer (styrene) and a crosslinking agent (divinylbenzene, DVB) to create polystyrene encapsulated diamond. Chemisorbed polystyrene is sulfonated with sulfuric acid in acetic acid. Surface changes were followed by X-ray photoelectron spectroscopy (XPS), time-of-flight secondary ion mass spectrometry (ToF-SIMS) and diffuse reflectance Fourier transform infrared spectroscopy (DRIFT). Finally, both polystyrene-modified DTD and sulfonated styrene-modified DTD were used in solid phase extraction (SPE). Percent recovery and column capacity were investigated for both phenyl (polystyrene) and sulfonic acid treated polystyrene SPE columns. These diamond-based SPE supports are stable under basic conditions, which is not the case for silica-based SPE supports.
Related Concept Videos
Ion Exchange
Ion-Exchange Chromatography
Analyte Adsorption and Distribution
High-Performance Liquid Chromatography: Introduction
In HPLC, two phases play a critical role in the separation process:
Extraction: Advanced Methods
Size-Exclusion Chromatography
Silica particles offer advantages such as rigidity,...

