Radium - 226 - History Page - UWL Medical Dosimetry Brachy Class 08-09

	Date/Time	Made By	Edit Note	Type	Scope
	Apr 12 2009, 7:10 PM EDT	olson.lind		edit	20 words added 4 words deleted
Change: Gamma Dating Center. http://geo.ku.dk/english/gdc/Radium Deacy. http://langitselatan.com/2008/01/23/begini-cara-kerja-bintang-bagian-2-sumber-energi-bintang/Proposed Regulation... http://www.leg.state.nv.us/Register/2008Register/R185-08P.pdf National Science Foundation. http://www.atomicarchive.com/Bios/CuriePhoto.shtmlReferences:1. Wikipedia. http://en.wikipedia.org/wiki/Radium. Accessed March 16, 2009.2. Jefferson Lab. http://education.jlab.org/itselemental/ele088.html Accessed March 16, 2009.3. United States Environmental Protection Agency http://www.epa.gov/rpdweb00/radionuclides/radium.html#use Accessed March 16, 2009.4. Gamma Dating Center. View changes from previous version. (Word count: 1658)
	Apr 12 2009, 7:02 PM EDT	olson.lind		edit
Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 1644)
	Apr 12 2009, 7:02 PM EDT	olson.lind	Links	edit	20 words added 50 words deleted
Change: Khan, Faiz M. The Physics of Radiation Therapy. 3rd Edition. Philadelphia: Lippincott Williams & Wilkins; 2003: 366-400. 12. Proposed Regulation of the State Board of Health LCB radium-226 and americium-241; adopting by reference certain View changes from previous version. (Word count: 1644)
	Apr 12 2009, 6:30 PM EDT	olson.lind	Links	edit	2 words added 1 word deleted
Change: References and Links:References:1. Wikipedia. http://en.wikipedia.org/wiki/Radium Accessed March 16, 2009. Accessed March 17, 2009.2. Jefferson Lab. http://education.jlab.org/itselemental/ele088.html Accessed March 16, 2009.3. United States Environmental Protection Agency http://www.epa.gov/rpdweb00/radionuclides/radium.html#use Accessed March 16, 2009.4. Gamma Dating Center. http://geo.ku.dk/english/gdc/ Accessed March 16, 2009.5. Bentel, Gunilla C. View changes from previous version. (Word count: 1620)
	Apr 8 2009, 3:58 PM EDT	olson.lind		edit	21 words added 1 image added
Change: 3rd Edition. Philadelphia: Lippincott Williams & Wilkins; 2003: 15.14. Podgoršak, Ervin. Radiation Physics for Medical Physicists. Birkhauser Publishing; 2006: 319-320.15. National Science Foundation. Marie and Pierre Curie. Accessed April 8, 2009. Available at: http://www.atomicarchive.com/Bios/CuriePhoto.shtmlGroup Colors:JenLindseyDawnRobin View changes from previous version. (Word count: 1619)
	Apr 5 2009, 10:24 AM EDT	JenHagen		edit	1 word added
Change: (14) One other interesting fact: Radium is about one million times more active than uranium. The lab notebooks used by the Curies are too highly contaminated to be View changes from previous version. (Word count: 1592)
	Apr 5 2009, 10:24 AM EDT	JenHagen		edit	132 words added 1 image added
Change: Historically, the external use of radium was focused on the treatment of malignant disease. Internal use of radium-226 occurred between 1905-1930 through ingestion of soluble View changes from previous version. (Word count: 1591)
	Apr 1 2009, 8:16 PM EDT	olson.lind		edit	7 words added 43 words deleted
Change: Ra-226 has a half value layer (HVL) in lead of 16 mm.(8) DTT 7.4Ra-226 has a half value layer (HVL) in lead of 12 mm.(6)any Khanbrachytherapy Physicssource, pgranging 358from Table12mm-16mm. 15.1(6)(7)(8) Measurement/Calibrations/QA: Measurements Even though Radium 226 is View changes from previous version. (Word count: 1453)
	Apr 1 2009, 7:55 PM EDT	olson.lind		edit	42 words added
Change: Ra-226 has a half value layer (HVL) in lead of 12 mm.(6) Khan Physics pg 358 Table 15.1 Measurement/Calibrations/QA: Measurements Even though Radium 226 is no longer used in the field of radiation therapy there View changes from previous version. (Word count: 1493)
	Apr 1 2009, 7:40 PM EDT	olson.lind		edit	59 words added 1 word deleted
Change: The exposure rate constant decreases by about 2% for each additional 0.1 mm of Pt added to the 0.5 mm Pt encapsulation and increases by 2% for each 0.1 mm of Pt less than 0.5 mm. (8) Half-life Properties: T 1/2 1600 years loses about 1% of View changes from previous version. (Word count: 1445)
	Apr 1 2009, 7:28 PM EDT	olson.lind	Finished with my sections of Radium 226	edit	213 words added 66 words deleted 1 image deleted
Change: Radium 226 is a naturally occurring radionuclide that was discovered in 1898 by Marie and Pierre Curie along with Henri Becquerel when they isolated it from Uranium pitch blende ore. (8)Radium 226 was one of the first radionuclides utilized for View changes from previous version. (Word count: 1377)
	Apr 1 2009, 7:07 PM EDT	olson.lind		edit	219 words added
Change: Radium is supplied mostly in the form of radium sulfate or radium chloride. It is then mixed with an inert filler and loaded into cells View changes from previous version. (Word count: 1238)
	Mar 31 2009, 9:15 AM EDT	RobinCarter		edit	1 word added
Change: test must be measured by a ...Accessed March 23, 2009. Available at www.leg.state.nv.us/Register/2008Register/R185-08P.pdf 13. Khan, Faiz M. The Physics of Radiation Therapy. 3rd Edition. Philadelphia: Lippincott Williams & Wilkins; 2003: 15.Group Colors:JenLindseyDawnRobin View changes from previous version. (Word count: 997)
	Mar 24 2009, 3:25 PM EDT	thomas.dawn		edit	5 words added 4 words deleted
Change: ^7 sec/year) =1.356 x 1010^ -11/sec Activity= 2.66 x 1010^21 x 1.356 x 1010^-11 dps/g =3.61 x 1010^10 dps/g =.975Ci/g (13) Uses in Radiation Oncology: In the U.S., nasal radium irradiation was administered View changes from previous version. (Word count: 996)
	Mar 24 2009, 3:24 PM EDT	thomas.dawn		edit	1 word added 1 word deleted
Change: (15) (13) Uses in Radiation Oncology: In the U.S., nasal radium irradiation was administered to children to prevent middle ear problems or enlarged tonsils from the late 1940s View changes from previous version. (Word count: 996)
	Mar 24 2009, 3:24 PM EDT	thomas.dawn		edit	68 words added
Change: wipe test must be measured by a ...Accessed March 23, 2009. Available at www.leg.state.nv.us/Register/2008Register/R185-08P.pdf 13. Khan, Faiz M. The Physics of Radiation Therapy. 3rd Edition. Philadelphia: Lippincott Williams & Wilkins; 2003: 15.Group Colors:JenLindseyDawn View changes from previous version. (Word count: 996)
	Mar 23 2009, 9:44 PM EDT	thomas.dawn		edit
Change: There were only format changes (bold, italics, etc.) in this version. See this version for details. (Word count: 919)
	Mar 23 2009, 9:43 PM EDT	thomas.dawn		edit	41 words added
Change: 2003: 366-400. 12. Proposed Regulation of the State Board of Health LCB radium-226 and americium-241; adopting by reference certain federal regulations; ... of the filter paper after the dry wipe test must be measured by a ...Accessed March 23, 2009. Available at www.leg.state.nv.us/Register/2008Register/R185-08P.pdf Group Colors:JenLindseyDawn View changes from previous version. (Word count: 919)
	Mar 23 2009, 9:38 PM EDT	thomas.dawn		edit	134 words added
Change: It is very important that an acceptance test be performed prior to the use of the source. The purpose of acceptance testing of brachytherapy equipment View changes from previous version. (Word count: 868)
	Mar 23 2009, 9:27 PM EDT	thomas.dawn		edit	167 words added 1 word deleted
Change: The National Institute of Standards and Technology (NIST) have established exposure rate calibration standards for Radium 226. The NIST method consists of calibrating a working View changes from previous version. (Word count: 732)