Repellent

... my body. I killed one about an hour ago and it popped with blood and I realized that it was mine. Whatever this insect maybe, I need to find a repellent or trap for it. They're hard to kill when you see them, cause they're so fast and stealth. I turned on my ac in order to make the temperature ...

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... of ammonia is does not hurt me. It might not hurt anyone else either, but the black pepper mites can't stand it. Unfortunately it is not a repellent, only a killer. You can spray it on them and they die but in a few minutes any from unsprayed areas will move back in to fill the empty niche. ...

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... nanostructures”. Vogel and his team selected phospholipid membranes as molds. Phospholipids consist of a water-friendly head group and water-repellent tail groups (hydrocarbon chains). In aqueous surroundings, they line up tail to tail into double-layered membranes. If these are dried carefully, ...

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... allow it to keep water in the body? What does keratin have to do with this property of the epidermis? Why and/or how do the cells secrete a water-repellent glycoprotein (which is only briefly mentioned in my textbook, and NOT explained any further)? Maybe I'm just asking questions that we're not ...

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... to support the military. They invented the aerosol spray canister—dubbed the “bug bomb”—to dispense insecticides, and they tested and reported the repellent properties of DEET. ARS researchers also developed ultra-low-volume fogging equipment, and led the development of permethrin-treated military ...

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