skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Composition for detecting alpha particle radiation and methods of use

Patent ·
OSTI ID:1987140

A capsule composition comprising: (a) a polyester shell having a thickness of no more than 20 microns, and (b) a solution containing a visual and/or olfactory indicator, wherein the solution is encapsulated by the polyester shell. Also described herein is a method for detecting alpha particle radiation, in which: (i) the capsule composition is placed in contact with an esterase in a location where the presence of alpha particle radiation is being determined; (ii) waiting a period of time for the esterase to degrade the polyester shells, wherein the period of time is insufficient for the esterase to cause leakage of the solution in the absence of alpha particle radiation but is sufficient for alpha particle radiation, if present, to cause leakage from the capsule composition; and (iii) observing whether leakage has occurred at the end of the period of time to determine whether alpha particle radiation is present.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-Battelle LLC (Oak Ridge, TN)
Patent Number(s):
11,584,919
Application Number:
16/748,039
OSTI ID:
1987140
Resource Relation:
Patent File Date: 01/21/2020
Country of Publication:
United States
Language:
English

References (14)

Dry Products Comprising a Sheet and Two Phases patent-application March 2005
Products Comprising an Applicator and Lipid and Aqueous Phase patent-application July 2006
PLGA Nanoparticles Formed by Single- or Double-emulsion with Vitamin E-TPGS journal December 2013
Dry Products Comprising an Applicator and Two Phases patent-application July 2006
A review on fluorescent inorganic nanoparticles for optical sensing applications journal January 2016
Products Comprising a Sheet and a Lipid and Aqueous Phase patent-application February 2005
Measurement of radon and xenon binding to a cryptophane molecular host journal June 2011
Dry Products Comprising an Applicator and a Wax Phase patent-application October 2006
Rodent-repellent microcapsules and preparations thereof patent March 1991
A novel application for 222Rn emanation standards: Radon–cryptophane host chemistry journal September 2012
Comparative study on the enzymatic degradation of poly(lactic-co-glycolic acid) by hydrolytic enzymes based on the colorimetric quantification of glycolic acid journal October 2011
Liposome Coated with Polyhydroxyalkanoate and Production Method Thereof patent-application June 2003
Products Comprising an Applicator and a Wax Dispersion patent-application October 2006
Composition for Detecting Alpha Particle Radiation and Methods of Use patent-application July 2020

Related Subjects