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Online SPE Cartridge Enables Repeated Injections of Plasma Samples
Strata-X is a reversed-phase polymeric SPE sorbent, and as a polar functionalized styrene-divinylbenzene polymer, it exhibits hydrophobic, p-p, dipolar, and hydrogen bonding retention mechanisms. The 25-μm particle has a surface area of >800 m2/g, resulting in an analyte capacity that is significantly higher than that of silica-based sorbents. Strata-X is available in a 20 × 2.0 mm cartridge for convenient online processing. Online SPE allows simultaneous extraction, concentration, and separation for the rapid analysis of drugs in biological matrices. Detection limits of 100 to 200 picograms can be achieved.
Phenomenex Inc. 411 Madrid Avenue Torrance, CA, 90501
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