IP Library › Granted Patent US 12,275,013
Granted Patent B2
US 12,275,013 · App. 18/327,314 · Granted Apr 15, 2025

Self-contained biological analysis

Inventors: Kirk M. Ririe (Salt Lake City, UT); Michael R. Newswander (Hyde Park, UT); Randy P. Rasmussen (Salt Lake City, UT); Mark A. Poritz (Salt Lake City, UT); Stewart Benjamin Smith (Salt Lake City, UT); Gary C. Kessler (Bountiful, UT)
Assignee: BIOFIRE DIGANOSTICS, LLC
B01L7/52B01L3/50273C12Q1/6844B01L3/502723B01L2200/10B01L2300/0816B01L2300/0867B01L2300/087B01L2300/123B01L2300/1822B01L2400/0478B01L2400/0481B01L2400/049B01L2400/0644B01L2400/065B01L2400/0655B01L2400/0677B01L2400/0683
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Quick Facts
Patent No.
US 12,275,013
App. No.
18/327,314
Granted
Apr 15, 2025
Kind
B2
Abstract

Devices, containers, and methods are provided for performing biological analysis in a closed environment. Illustrative biological analyses include nucleic acid amplification and detection and immuno-PCR.

Claims (18)

1. A self-contained system for nucleic acid extraction and multiplex PCR, comprising:

(a) a container comprising, in fluid communication:

i) one or more ports, including an injector port for introducing a sample into the self-contained system, wherein the one or more ports are sealable ports that provide the only access from an exterior of the self-contained system such that when all of the one or more ports are closed, the self-contained system is a fully closed, sealed environment that prevents access from the self-contained system to surrounding atmosphere,

ii) a cell lysis zone configured for lysing cells or spores located in the sample, the cell lysis zone in fluid communication with the injector port,

iii) a nucleic acid preparation zone, the nucleic acid preparation zone configured for purifying a plurality of nucleic acids that may be in the sample, wherein the nucleic acid preparation zone is fluidly connected to the cell lysis zone; and

iv) at least one amplification zone, the at least one amplification zone configured for amplification of the plurality of nucleic acids that may be in the sample, wherein the at least one amplification zone is fluidly connected to the nucleic acid preparation zone; and

(b) an instrument for receiving the container, the instrument comprising:

i) a sealing mechanism for closing the one or more ports,

ii) a bead milling zone comprising motor-driven rotating blades or paddles positioned for acting on the cell lysis zone, and

iii) a heater configured for controlling temperature in the nucleic acid preparation zone.

2. The system of claim 1 , wherein the cell lysis zone comprises lysing particles and bead milling zone forces the lysing particles into high velocity impacts.

3. The system of claim 2 , wherein the bead milling zone pressurizes portions of the cell lysis zone to force the lysing particles toward each other.

4. The system of claim 2 , wherein the motor-driven rotating blades or paddles impact the cell lysis zone.

5. The system of claim 1 , wherein the at least one amplification zone further comprises a fluorescent dye and the instrument further comprises optics configured to detect fluorescence emission from the fluorescent dye.

6. The system of claim 5 , further comprising a computer for receiving fluorescence emission information from the optics, the computer configured for calling the sample positive or negative for a particular nucleic acid.

7. The system of claim 1 , wherein the nucleic acid preparation zone comprises silica-based magnetic beads, and the instrument further comprises a retractable magnet positioned to capture the silica-based magnetic beads when the magnet is deployed and to release the silica-based magnetic beads when the magnet is retracted.

8. The system of claim 1 , wherein the at least one amplification zone further comprises dried amplification reagents therein.

9. The system of claim 1 , wherein the at least one amplification zone further comprises a plurality of primer pairs, and wherein each of the plurality of primer pairs is configured to amplify nucleic acids from a different species.

Continuity (7)
Continuation 16902739 · Jun 16, 2020
Continuation 16045064 · Jul 25, 2018
Division 14569227 · Dec 12, 2014
Division 13765249 · Feb 12, 2013
Continuation 11913120
Provisional Application 60679052 · May 9, 2005
Related Publication 20230321662A1 · Oct 12, 2023
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