[ RadSafe ] Fwd: Effective half life question

radbloom at comcast.net radbloom at comcast.net
Wed Oct 24 16:27:52 CDT 2012



Jeffrey, 

  

If you are talking about prepared pharmaceuticals, these would have package inserts that would include information on the effective half-life for the particular radiopharmaceutical . 

  

Cindy 



----- Original Message -----




From: "Chris Alston" <achris1999@ gmail .com> 
To: "The International Radiation Protection (Health Physics) Mailing List" < radsafe @health.phys. iit . edu > 
Sent: Wednesday, October 24, 2012 4:16:54 PM 
Subject: [ RadSafe ] Fwd:  Effective half life question 

Jeffrey 

There are a multitude of these, depending on exactly what you mean. 
The MIRD Committee publishes reports, and there are ICRP Publications 
53, 80, and 106.  There is also the RADAR website, doseinfo-radar.com. 

But you might want to start with NUREG /CR-6345, Radiation Dose 
Estimates for Radiopharmaceuticals , of April 1996. 

Happy hunting 
cja 


---------- Forwarded message ---------- 
From: Kulp , Jeffrey  ( DOH ) <Jeffrey. Kulp @ doh . wa .gov> 
Date: Wed, Oct 24, 2012 at 2:59 PM 
Subject: [ RadSafe ] Effective half life question 
To: radsafe @health.phys. iit . edu 


Hello Radsafers , 



I have a question that is related to radiopharmaceuticals . I have been 
told by a colleague that the effective half-life of a radioactive 
isotope can differ based on the chemical preparation the isotope is in. 
Essentially the biological half life will change due to the varying 
clearance rates for different chemicals, thereby changing the effective 
half-life. Is there a database that addresses the different biological 
half-lives for various radiopharmaceuticals ? 



Thanks, 



Jeffrey Kulp , RRPT 

Radiation Health Physicist 

DOH - Office of Radiation Protection 

P.O. Box 47827 

Olympia, Washington  98504-7827 

(360) 236-3237 

"Public Health - Always Working for a Safer and Healthier Washington" 





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