HOME >> BIOLOGY >> NEWS
Finding dirty bombs and other radiation threats

In an age of terrorism, law enforcement agents and other first responders need to be prepared for a wide range of threats, including so-called "dirty bombs" and other radiation hazards. To help ensure the performance of devices used to detect such threats, National Institute of Standards and Technology (NIST) researchers are working with the Institute of Electrical and Electronics Engineers (IEEE) and the American National Standards Institute (ANSI) to develop new standards for a variety of radiation detectors and monitors.

With partial funding from the Department of Homeland Security (DHS) and NIST's Office of Law Enforcement Standards, NIST researchers are investigating a wide variety of detection devices, ranging from 3-meter-high portal towers that scan truck trailers while they move through checkpoints to small, pager-size monitors that serve as personal dosimeters. Many of these devices originally were designed for monitoring workers in factories and laboratories. The new standards under development will ensure that the devices work as intended under the new conditions now encountered in homeland security related tasks.

For example, some devices work differently in the rain or high humidity conditions, as well as in wide temperature ranges. So far, the NIST researchers also have found that the calibration of some detectors depends a lot on the exposure rate and energy of the radiation detected. The accuracy rates for 19 different hand-held detectors ranged within plus or minus 5 percent of the actual radiation value to plus or minus 40 percent depending on whether they were measuring high, medium or low energy radiation sources.


'"/>

Contact: Laura Ost
laura.ost@nist.gov
301-975-4034
National Institute of Standards and Technology (NIST)
12-Aug-2003


Page: 1

Related biology news :

1. Findings suggest need for new view of p53 cancer proteins interaction with DNA
2. Finding the hole in the defenses of cavity-creating microbes
3. Findings redefine mechanism of action of RNA helicase enzymes
4. Findings of novel nanoproperties in selenium produced by bacteria open new area of exploration
5. Finding may help eczema sufferers tolerate smallpox vaccine
6. Findings could aid efforts to harness nature for making drugs
7. Findings offer clue to how molecule can both stimulate, suppress cell growth
8. Findings offer further understanding about growth and development in young male gymnasts
9. Findings in frog oocytes may help study of chromosome physiology
10. Finding life away from Earth will be tough task, says noted paleontologist
11. Finding a Holy Grail: simulated and experimental protein folding compares nicely

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:8/5/2020)... ... August 05, 2020 , ... Regenative Labs has received approval from the Centers ... making them the first Wharton’s jelly allografts to be assigned a Q code and ... are the first Wharton’s jelly allograft product to be recognized as a 361 HCT/P ...
(Date:7/31/2020)... ... July 30, 2020 , ... ... Phase II contract awarded by the Joint Science & Technology Office—Chemical and Biological ... is to develop, optimize, and scale-up a highly efficient mammalian cell culture-based bioprocess ...
(Date:7/22/2020)... (PRWEB) , ... July 21, 2020 , ... ... digital transformation and innovation in technology and compliance, announces a new solution to ... companies must ensure every layer of their technology stack complies with FDA and ...
Breaking Biology News(10 mins):
(Date:8/12/2020)... ... August 11, 2020 , ... The FSHD Society announced today ... Clinical Trial Research Network (FSHD CTRN), with consideration of follow-on funding ... of academic research centers in the United States and Europe with expertise in ...
(Date:8/3/2020)... ... 03, 2020 , ... Introducing Ardent Animal Health – MediVet Biologics rebrands company ... Known as MediVet Biologics since its formation in 2016, the company is relaunching ... Health will build on its base of innovative therapies for osteoarthritis and cancer. ...
(Date:7/31/2020)... ... July 29, 2020 , ... Editas ... global provider of advanced delivery technologies, development, and manufacturing solutions for drugs, biologics, ... entered into a strategic partnership whereby Catalent will provide support for the development, ...
(Date:7/18/2020)... TORONTO (PRWEB) , ... July 16, 2020 , ... After ... begins. The completion of a great surgery is only the beginning of a successful ... the research community. , Join Brad Gien, Global Head of Surgery from Envigo ...
Breaking Biology Technology:
Cached News: