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Scientists are considering the use of a fuel cell to convert the sugar in the earthworms into electricity, thus making an important step toward turning these insects into de facto "semi-mechanical creatures."
According to foreign media reports, scientists are considering the use of a fuel cell to convert the sugar in the pupa into electrical energy, thus making an important step towards turning these insects into de facto "semi-mechanical creatures." Once scientists have the ability to reduce the size of the fuel cell to a level that can be implanted in the body without damage, they can be used to drive devices such as detectors or recorders.
Daniel Scherson, a chemist at Case Western Reserve University, said that when a rechargeable battery and a bio-cell are implanted in a pod, they will be able to store the generated electrical energy. He said: "If you want to talk about a little futurism, then you may be able to use these stored energy to achieve control of the phrenic nervous system, so that you can really use the joystick to control your behavior." So, one day in the future, the nausea that creeps around on your kitchen floor may actually be your unscrupulous neighbor or the CIA spy robot!
Sugar cell
The raw material for driving this type of built-in fuel cell is cricket food, which avoids the installation of a conventional device that collects the kinetic energy generated by the movement of helium and converts it into electrical energy. The fuel cell designed by Hilson's team converts the sugar in the body into electrical energy through a series of chemical reactions involving enzymes.
First, an enzyme decomposes trehalose into monosaccharides, which are disaccharides that, after eating, break down food ingredients into the sugar. In the second step, another enzyme oxidizes this monosaccharide and releases electrons.
The team first performed experiments in trehalose solution, then inserted electrodes into the abdomen of a female baboon to perform experiments and achieved success. This bio-cell can produce a voltage of about 0.2 volts. A detailed paper on this progress has been published in the online version of the Journal of the American Chemical Society.
Intermittent signal transmission
Since researchers do not want to burden insects with the battery system installed on these insects and reduce their ability to move, they envisage storing the generated electrical energy in a battery, and then using this energy to perform some Tasks such as driving sensors.
A potential application of this technology is to install detection and sensing devices for hazardous chemicals on some social living insects, such as bees or ants, which can help to detect such hidden hazards in the environment when they fly around.
These detectors will turn on intermittently and send their detection results. When their battery is exhausted, they will temporarily terminate communication and wait for the battery to recharge.
According to Hilson, a voltage of 0.2 volts is enough to drive an information transmission device. With this device, an ant who has sneaked into the highest-confidence conference venue will easily eavesdrop on all the conference secrets.
In order to achieve this, the researcher must minimize the implanted bio-cell as much as possible, and use special materials to prevent it from being damaged in the insect body, and make special signal sending equipment.
Hilson is very confident in this, he said that everything is within their capabilities: "In circuit science, people can always create a miracle." (Sina Technology News, January 18, Beijing time morning wind)
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