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         Technology versus nerve agents





         Could a suite of new tools help contain future Novichok or sarin attacks?



                                                                                                                      Giving a “casualty” a wash
                                                                                                                      in a decontamination tent–

                                                                                                                      physical similarities with nerve
                                                                                                                      agents on the skin and clothes
                                                                                                                      of casualties.
                                                                                                                        “Anything that would improve
                                                                                                                      the ability to have detection
                                                                                                                      happen at the site would change
                                                                                                                      the way we prepare and add to
                                                                                                                      our resilience significantly,”
                                                                                                                      says Amesh Adalja of the Johns
                                                                                                                      Hopkins Center for Health
                                                                                                                      Security in Maryland, who
                                                                                                                      isn’t involved in the project.


                                                                                                                      Instant analysis

                                                                                                                      The responders also tested
        ANDREW WEEKES PHOTOGRAPHY                                                                                     an electronic tagging system for

                                                                                                                      tracking each casualty’s status,
                                                                                                                      location and treatment. This
                                                                                                                      would be very useful, says Ralf
                                                                                                                      Trapp, a chemical and biological
                                                                                                                      weapons consultant in France,
                                                                                                                      who also isn’t involved in the
         Sam Wong in Tatoi, Greece           technologies have been tested in    first described in the 19th century,  project. “It would free medical-
                                             a simulated CBRN event. Tools       but only now are detectors           response personnel in the field
         SEVERAL people have collapsed       ranged from miniature chemical      small and sensitive enough to be     from admin tasks, so they can
         at an airport terminal, showing     analysers to social media trackers.  held in a hand or embedded into     focus on dealing with victims.”
         signs of nerve agent poisoning.       The scenario was a simulation     detectors that work like smoke         As the simulation continued,
         Responders in hazmat suits arrive   of a sarin attack, the nerve agent   alarms. In the simulation,          the team analysed the breath of
         and must urgently determine         that killed 12 people in a terrorist   responders used handheld          the two most severely affected
         what chemical people have been      attack in Tokyo, Japan, in 1995.    versions to detect a harmless        casualties using a tabletop
         exposed to and prevent further      The “casualties” – played by        chemical that shares some            machine. In 40 seconds, the device
         casualties.                         50 Greek air force cadets – held
           Thankfully, this wasn’t a         cards describing their symptoms,
         real attack, but a test of a suite   including loss of sight, inability
         of new tools for responding to      to walk and convulsions, while
         chemical, biological, radioactive   a specialist Greek military unit
         and nuclear events (CBRN) near      used the tools to try to contain
         Athens in Greece last week.         the hypothetical attack.
         Following the Novichok attack in      One such device was an
         Salisbury, UK, this year, experts   ion-mobility spectrometer.
         gathered at the Hellenic Air Force   This ionises chemicals and
         Academy in Tatoi to test the        assesses how quickly they move
         latest advances in diagnostic       in an electric field, enabling the
         and tracking technology.            identification of the substances.
           The field trial is part of        Ion-mobility spectrometers were
         the European Commission’s
         TOXI-Triage project, and it was     Electronic wrist tags make it easier
         the first time so many unproven     to keep track of each patient


         4 | NewScientist | 27 October 2018
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