Organic nanoshells help detect biotoxins in humans

April 2004
Engineer (00137758);4/16/2004, Vol. 293 Issue 7649, p14
Focuses on the development of biological sensors capable of detecting invisible biotoxins and chemical warfare agents in the human body using nanoshells of organic materials at the University of Arizona. Synthesis of nanoshells of phospholipids; Advantage of the hollow structure of the sensors; Presence of specific ions or molecules.


Related Articles

  • Chemical sensing of DNT by engineered olfactory yeast strain. Radhika, Venkat; Proikas-Cezanne, Tassula; Jayaraman, Muralidharan; Onesime, Djamila; Ha, Ji Hee; Dhanasekaran, Danny N. // Nature Chemical Biology;Jun2007, Vol. 3 Issue 6, p325 

    With the increasing threat of environmental toxicants including biological and chemical warfare agents, fabricating innovative biomimetic systems to detect these harmful agents is critically important. With the broad objective of developing such a biosensor, here we report the construction of a...

  • Bio-terror defenses take shape in local laboratories. Bailey, Laura // Crain's Detroit Business;11/12/2001, Vol. 17 Issue 47, p26 

    Reports the research on the development of biological sensors for chemical agents used in bioterrorism in Michigan. Protection of office buildings from foreign substances; Use of yeast cells to detect chemicals; Capability of the sensor to identify genes sensitive to hazardous chemicals.

  • Highly Sensitive Colorimetric Biosensor for Staphylococcal Enterotoxin B by a Label-Free Aptamer and Gold Nanoparticles. Mondal, Bhairab; Ramlal, Shylaja; Lavu, Padma S.; N, Bhavanashri; Kingston, Joseph // Frontiers in Microbiology;2/13/2018, p1 

    A simple, sensitive and selective colorimetric biosensor for the detection of Staphylococcal enterotoxin B (SEB) was developed using SEB-binding aptamer (SEB2) as recognition element and unmodified gold nanoparticles (AuNPs) as colorimetric probes. The assay is based on color change from red to...

  • Response to no response.  // PS: Preventive Maintenance Monthly;Aug96, Issue 525, p60 

    Offers solution to chemical agent monitor (CAM) problems refusing to respond to H mode. Running the CAM at least once a week; Replacement of drift tube module and sieve pump; Batteries.

  • In vivo protection by amifostine and DRDE-07 against sulphur mustard toxicity. Kumar, P; Vijayaraghavan, R; Kulkarni, A S; Pathak, U; Raza, S K; Jaiswal, D K // Human & Experimental Toxicology;Jul2002, Vol. 21 Issue 7, p371 

    The study was aimed at investigating the prophylactic efficacy of orally administered amifostine and a newly synthesized compound, S-2(2-amino-ethylamino)ethyl phenyl sulphide (DRDE-07), against dermally applied sulphur mustard (SM) in mice and rats. The LD[sub 50] values of amifostine and...

  • Getting JCAD? Keep M42 Alarm!  // PS: Preventive Maintenance Monthly;Aug2010, Issue 693, p26 

    The article focuses on the significance of turning in the M22 ACADA (alarm, chemical agent, automatic) of M43A1 chemical agent detector upon receiving the JCAD (joint chemical agent detector).

  • OLD & NEW.  // PS: Preventive Maintenance Monthly;Apr2000, Issue 569, p46 

    Focuses on chemical agent monitors (CAM) and improved chemical agent monitors (ICAM). Advantages of running both CAM and ICAM for 30 minutes every week; Information on the technical manual of ICAM.

  • chemocautery.  // Taber's Cyclopedic Medical Dictionary (2009);2009, Issue 21, p424 

    A definition of the medical term "chemocautery," which refers to the use of chemical agents in cauterization, is presented.

  • resorbent.  // Taber's Cyclopedic Medical Dictionary (2009);2009, Issue 21, p2008 

    A definition of the medical term "resorbent," which refers to an agent that promotes the absorption of abnormal matters, is presented.


Other Topics