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Nerve Agent Detection Sensor

Jinsang Kim, an associate professor at University of Michigan, was inspired by his own land mine detector and developed a nerve agent detection sensor that only requires the naked eye to observe the presence of dangerous nerve gas.

Topics:
Defense Detectors Materials Medical Sensors

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    Transcript

    00:00:06 When I was a student - it's a long time ago - but we developed [a] land mine sensor and at our meeting, I realized the need of this nerve agent detection sensor So I have thought about this for a long time and very recently, we initiated this stimuli-responsive material for bio-sensing application and then the combination of this development together with some general reading about this 2-PAM eventually help us to develop this new sensor to detect nerve agent We basically developed, like a pH paper, [?] paper, like, you know,

    00:00:44 color-material sensor and the material we use is [the] so-called stimuli-sensitive conjugate polymer and depending on the external stimuli this material changes color, basically And then how we can provide the cell activity with specificity: We read an article and we found that the U.S. Army use[d] this so-called 2-PAM it's an antidote and this antidote has a very specific interaction with nerve agent That's why when you inject the antidote into the body, this antidote material move[s] and grab[s] the organophosphate, the nerve agent

    00:01:23 and then remove from the body So we just adapt this antidote material into our [?] paper-like material so that whenever this [?] paper, the nerve gas [?] paper-like material, is exposed to nerve agent, it'll change color from blue to red So that without having any big machine, with really just your spare eye, we can see the color change, so that we can detect the nerve agent So possibly this material can be used for like, security, and any government building weather building like that as an indicator So if the nerve agent is used by a terrorist

    00:02:03 this color-material sensor, you can maybe put on top of any picture frame, while on the wall and if you see the color-change that means the nerve agent is there We show some demonstration in the lab, and students, you know, it's very easy to make so students use [?] material they made small [?] and then they check the stimuli-responsive property and they like that They really like that