From 1ac09190317765f45d7401834caeada3301beda8 Mon Sep 17 00:00:00 2001 From: Eric Talley Date: Wed, 5 Nov 2025 10:55:20 +0800 Subject: [PATCH] =?UTF-8?q?Add=20Electricity=20Turns=20Graphene=20into=20?= =?UTF-8?q?=E2=80=98bug=20Zapper=E2=80=99=20For=20Bacteria?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...ene-into-%E2%80%98bug-Zapper%E2%80%99-For-Bacteria.md | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 Electricity-Turns-Graphene-into-%E2%80%98bug-Zapper%E2%80%99-For-Bacteria.md diff --git a/Electricity-Turns-Graphene-into-%E2%80%98bug-Zapper%E2%80%99-For-Bacteria.md b/Electricity-Turns-Graphene-into-%E2%80%98bug-Zapper%E2%80%99-For-Bacteria.md new file mode 100644 index 0000000..5ef50d4 --- /dev/null +++ b/Electricity-Turns-Graphene-into-%E2%80%98bug-Zapper%E2%80%99-For-Bacteria.md @@ -0,0 +1,9 @@ +
You are free to share this text underneath the Attribution 4.Zero International license. Scientists have discovered that laser-induced graphene (LIG) can protect in opposition to "biofouling," the buildup of microorganisms, plants, or different biological material on wet surfaces. As well as, the group additionally found that, when the fabric is electrified, it also kills bacteria. LIG is a spongy model of graphene, the one-atom layer of carbon atoms. The Rice University lab of chemist James Tour developed it three years in the past by burning partway via a cheap polyimide sheet with a laser, which turned the floor into a lattice of interconnected graphene sheets. The researchers have since suggested uses for the fabric in wearable electronics and gas cells and for superhydrophobic or superhydrophilic surfaces. "This form of graphene is extraordinarily resistant to biofilm formation, which has promise for places like water-remedy plants, oil-drilling operations, hospitals, and ocean applications like underwater pipes which might be sensitive to fouling," says Tour, a professor of laptop science as well as of supplies science and nanoengineering, whose team’s report appears in ACS Applied Materials and Interfaces.
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When used as electrodes with a small applied voltage, LIG becomes the bacterial equal of a backyard bug zapper. Tests without the charge confirmed what has lengthy been known-that graphene-primarily based nanoparticles have antibacterial properties. When 1.1 to 2.5 volts were utilized, the highly conductive LIG electrodes "greatly enhanced" those properties. Under the microscope, the researchers watched as fluorescently tagged Pseudomonas aeruginosa micro organism in an answer with LIG electrodes above 1.1 volts were drawn toward the anode. Above 1.5 volts, the cells started to disappear and rechargeable [bug zapper for camping](https://avyc.io/romainenormanb) zapper vanished fully inside 30 seconds. At 2.5 volts, micro organism disappeared virtually utterly from the surface after one second. The lab partnered with Professor Christopher Arnusch, a lecturer on the Ben-Gurion University Zuckerberg Institute for Water Research who focuses on water purification. Arnusch’s lab examined LIG electrodes in a bacteria-laden answer with 10 p.c secondary treated wastewater and found that after nine hours at 2.5 volts, 99.9 % of the micro organism have been killed and the electrodes strongly resisted biofilm formation.
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The researchers suspect bacteria may meet their demise via a mix of contact with the rough floor of LIG, the electrical charge, and toxicity from localized production of hydrogen peroxide. The contact could also be one thing like a knee hitting pavement, but on this case, the bacteria are all knee and the sharp graphene edges shortly destroy their membranes. Fortunately, LIG’s anti-fouling properties keep dead micro organism from accumulating on the floor, Tour says. "The mixture of passive biofouling inhibition and active voltage-induced microbial removal will probably make this a highly sought-after material for inhibiting the expansion of troublesome natural fouling that plagues many industries," Tour says. Other authors embody researchers from Ben-Gurion University of the Negev and [patio mosquito solution](https://dirtydeleted.net/index.php/User:RooseveltLinney) Rice University. The United States−Israel Binational Science Foundation, the Canadian Associates of Ben-Gurion University of the Negev Quebec Region, the Israel Science Foundation, the Air Force Office of Scientific Research, and its Multidisciplinary University Research Initiative supported the research.
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So, how does this mosquito trap works? Well, this product would trap mosquitoes and suck them inside wherein they'd either drown in a pool of water or die of starvation. The stated insects are delicate to carbon dioxide that we breathe out and to the chemical referred as Octanol which is launched as we sweat. Besides, [patio mosquito solution](https://azena.co.nz/bbs/board.php?bo_table=free&wr_id=3430633) they may additionally detect the heat that's produced from the warm-blooded animals, and they're too delicate to sure gentle frequencies. The attractants would take advantage in tricking the mosquito. And with that, mosquito traps would have an attractant that's finely optimized and tuned to match the sure sensitivities of the stated bugs. After all, there are completely different kinds of mosquito traps that you just would possibly select from. These traps would produce completely different frequencies of UV mild and infrared as the attractant. The heat would imitate the physique temperature offering the illusion that they're about to feast on the mammal. And the light will use frequencies which the bugs are sensitive to zap them then as they strategy.
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