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Pulling Iron Out of Waste Printer Toner

Someday, left-over toner in discarded printer cartridges could have a second life as bridge or building components instead of as trash, wasting away in landfills and potentially harming the environment. One group reports in ACS Sustainable Chemistry & Engineering that they have devised a method to recycle the residual powder in “empty” cartridges into iron using temperatures that are compatible with existing industrial processes.

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Wine “Legs” and Minibot Motors

As any wine enthusiast knows, the “legs” that run down a glass after a gentle swirl of vinocan yield clues about alcohol content. Interestingly, the physical phenomenon that helps create these legs can be harnessed to propel tiny motors to carry out tasks on the surface of water. Scientists demonstrate the motors in a report in ACS’ journal Langmuir.

Medicine

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vitamin A deficiency, Vision

After Cooking, Biofortified Corn and Eggs Retain Vital Nutrient Needed to Prevent Blindness

Fortified and biofortified foods are at the forefront of efforts to combat vitamin A deficiency worldwide. But little is known about what influence processing may have on the retention of vitamin A precursors in these foods. Now in a study appearing in ACS Omega, scientists report that a high percentage of these healthful substances — in some cases, almost all — can survive cooking, depending on the preparation method.

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Food Contamination

New “Sugar-Glass” Film Uses Viruses to Kill Harmful Bacteria in Food

With antibiotic resistance on the rise, bacterial contamination of food is becoming more problematic. Now in a study appearing in ACS Biomaterials Science & Engineering, scientists report that they have developed an antibacterial “sugar-glass” coating in which viruses that destroy bacteria are embedded and are kept stable for up to three months.

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Cool Textiles to Beat the Heat

CooltextilestobeattheheatImageACS.jpg

Air-conditioned buildings bring welcome relief to people coming in from the heat. But creatingthat comfort comes with a cost to our wallets and the environment in the form of increased energy bills andgreenhouse gas emissions.

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Cleaning Up Aquatic Pollution with Mussels

Scientists and activists alike have been looking for a solution to the problem of aquatic nutrient pollution. Now one group reports in Environmental Science & Technology that ribbed mussels are up to the clean-up challenge.

Medicine

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nicotine metabolism, Nicotine Addiction

Nicotine’s Hold: What the Gut and Gender Have to Do with It

Many people who smoke or chew tobacco can’t seem to escape nicotine’s addictive properties. Studies show that women in particular seem to have a harder time quitting, even with assistance, when compared to men. Now, scientists report in a mouse study published in ACS’ journal Chemical Research in Toxicology that the difference in gender smoking patterns and smoking’s effects could be due to how nicotine impacts the brain-gut relationship.

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electronic skin

Jellyfish-Inspired Electronic Skin Glows When It Gets Hurt

Electronic-skin technologies for prosthetics and robots can detect the slightest touch or breeze.But oddly, the sensors that make this possible do not respond effectively to a harmful blow. Now researchers report in ACS Applied Materials & Interfaces the development of a jellyfish-inspired electronic skin that glows when the pressure against it is high enough to potentially cause an injury.

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salt, Food Science

Saliva Proteins Could Explain Why Some People Overuse Salt

Many Americans consume too much salt. Now in a study appearing in the Journal of Agricultural and Food Chemistry, scientists report that people who can easily taste salt have differing amounts of certain proteins in their saliva than those who are less sensitive. The finding could help explain why some of us have a hard time shaking the salt habit and could potentially lead to the development of more desirable low-sodium foods.

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Triclosan Accumulates in Toothbrushes, Potentially Prolonging Users’ Exposure

In September, a ban on triclosan in over-the-counter antiseptic soaps, gels and wipes went into effect in the U.S. But the antibacterial ingredient is still allowed in toothpastes for its reported ability to reduce gum inflammation, plaque and cavities. Now a study in ACS’ Environmental Science & Technology has found that triclosan accumulates in toothbrush bristles and elastomer parts, and is readily released when users switch toothpastes, potentially prolonging users’ exposure to the compound.







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