In celebration of its 20th anniversary, Horizon Technology (Salem, New Hampshire) donated an original SPE-DEX 4700 solid phase disk extraction unit to the Chemical Heritage Foundation (Philadelphia, Pennsylvania).
In celebration of its 20th anniversary, Horizon Technology (Salem, New Hampshire) donated an original SPE-DEX 4700 solid phase disk extraction unit to the Chemical Heritage Foundation (Philadelphia, Pennsylvania). Horizon introduced the first solid phase extraction disk automation system 20 years ago at Pittcon 1993.
Robert Johnson, Horizon CTO and founder, and Martha Johnson, business development and founder, donated the pre-production unit of the SPE-DEX 4700 to the foundation archives. After the collection’s committee evaluated the artifact for historical significance and fit with the foundation goals, Tom Tritton, president and CEO of the Chemical Heritage Foundation, accepted the donation.
Best of the Week: Food Analysis, Chemical Migration in Plastic Bottles, STEM Researcher of the Year
December 20th 2024Top articles published this week include the launch of our “From Lab to Table” content series, a Q&A interview about using liquid chromatography–high-resolution mass spectrometry (LC–HRMS) to assess chemical hazards in plastic bottles, and a piece recognizing Brett Paull for being named Tasmanian STEM Researcher of the Year.
Using LC-MS/MS to Measure Testosterone in Dried Blood Spots
December 19th 2024Testosterone measurements are typically performed using serum or plasma, but this presents several logistical challenges, especially for sample collection, storage, and transport. In a recently published article, Yehudah Gruenstein of the University of Miami explored key insights gained from dried blood spot assay validation for testosterone measurement.
Determination of Pharmaceuticals by Capillary HPLC-MS/MS (Dec 2024)
December 19th 2024This application note demonstrates the use of a compact portable capillary liquid chromatograph, the Axcend Focus LC, coupled to an Agilent Ultivo triple quadrupole mass spectrometer for quantitative analysis of pharmaceutical drugs in model aqueous samples.