Gen-Probe Patent, Magnetic Bead Lysis in Fluidic Cartridge
Summary
Gen-Probe Incorporated filed US Patent Application US20260110020A1 on December 18, 2025, describing a fluidic cartridge system for lysing cells using magnetic agitation of non-magnetic beads combined with a magnetic element. The invention incorporates an internal control reagent deposited on beads and the magnetic element to validate assay results and cell lysis effectiveness. The magnetic field causes controlled movement of the magnetic element and non-magnetic beads, which mechanically lyses cells and releases nucleic acids, while the internal control distributes throughout the fluid sample. Inventors Byron J. Knight, Norbert D. Hagen, and David Opalsky are named on the application.
“The magnetic element is exposed to a magnetic field, thereby causing movement of the magnetic element, which causes movement of the non-magnetic beads.”
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GovPing monitors USPTO Patent Applications - Biotech (C12N) for new healthcare & life sciences regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 263 changes logged to date.
What changed
Gen-Probe Incorporated filed US Patent Application US20260110020A1 with the USPTO on December 18, 2025, published April 23, 2026, covering a method and system for lysing cells within a fluidic cartridge using magnetic agitation. The application claims a cartridge containing non-magnetic beads and a magnetic element with an internal control reagent, where exposure to a magnetic field causes bead movement sufficient to lyse cells and release nucleic acids.
Affected parties include diagnostic manufacturers, molecular biology companies, and laboratories developing or using automated nucleic acid extraction systems. While patent applications do not create immediate compliance obligations, competitors in the molecular diagnostics or automated sample-processing space should review this filing to assess potential freedom-to-operate implications for their own cartridge-based lysis technologies. The CPC classifications (C12Q 1/6844, C12N 15/1006, C12Q 1/6806) indicate relevance to nucleic acid testing and sample preparation methods.
Archived snapshot
Apr 24, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
LYSIS IN A FLUIDIC CARTRIDGE BY MAGNETIC AGITATION OF LYSIS ELEMENTS AND WITH INTERNAL CONTROL
Application US20260110020A1 Kind: A1 Apr 23, 2026
Assignee
Gen-Probe Incorporated
Inventors
Byron J. KNIGHT, Norbert D. HAGEN, David OPALSKY
Abstract
A fluid sample is dispensed into a sample chamber of a fluidic cartridge, the sample chamber containing non-magnetic beads and a magnetic element. A portion of the non-magnetic beads and magnetic element have an internal control reagent containing an internal control deposited thereon for validating an assay result and/or to validate the effectiveness of a cell lysis procedure. The magnetic element is exposed to a magnetic field, thereby causing movement of the magnetic element, which causes movement of the non-magnetic beads. Movement of the non-magnetic beads causes cells contained within the fluid sample to lyse and release nucleic acids. The internal control reagent dissolves in the presence of the fluid sample, thereby releasing the internal control into the fluid sample, and the movement of the magnetic element and the non-magnetic beads causes the internal control to be distributed within the fluid sample.
CPC Classifications
C12Q 1/6844 C12N 15/1006 C12Q 1/6806
Filing Date
2025-12-18
Application No.
19424814
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