https://phys.org/chemistry-news/chemistry-other en-us The latest science news on composition, structure, and properties of matter Scientists have discovered a more robust way of grouping chemicals and using read-across for toxicological data to meet regulatory requirements, which could greatly reduce animal testing. https://phys.org/news/2024-02-metabolomics-safety-chemicals-lab-rats.html Materials Science Other Tue, 20 Feb 2024 14:37:18 EST news627662233 Chemistry in a relationship refers to the intense feelings of connection, passion, and romance that people share. This Valentine's Day, Dr. Alex Baker, a chemistry professor at the University of Warwick, explores the real chemistry behind chemistry. He explains how flowers and chocolates are as good as any love potion you could create to induce feelings of love. https://phys.org/news/2024-02-exploring-chemistry-valentine-day.html Other Tue, 13 Feb 2024 15:09:02 EST news627059341 Could ammonia engines power the cars of the future? Carmakers like Toyota are working to make this a reality. https://phys.org/news/2024-02-video-ammonia-future.html Other Tue, 13 Feb 2024 07:04:03 EST news627030238 Micellar water, a product found in supermarkets, chemists and bathroom cabinets around the world, is commonly used to remove make-up. It's a very effective cleanser and many people swear by it as part of their skincare routine. https://phys.org/news/2024-02-micellar.html Materials Science Other Sun, 11 Feb 2024 15:10:01 EST news626706218 Counterfeit detector pens use a starch-iodine reaction to identify fake bills. https://phys.org/news/2024-01-video-science-counterfeit-detector-pens.html Other Mon, 29 Jan 2024 13:50:01 EST news625757470 The next time you pick up balloons for your big party, remember the helium gas in those balloons is destined for the stars. Helium is so light that it easily escapes Earth's gravity, and all helium will eventually make its way into space. Like fossil fuels, helium is a limited resource. https://phys.org/news/2024-01-helium-essential-medical-equipment-nonrenewable.html Other Thu, 18 Jan 2024 13:20:01 EST news624805619 The crystal sponge technology is a revolutionary technique, which enables the direct and precise determination of the molecular structure of liquid and gas targets. The technique uses a special network complex to selectively absorb liquid or gas target molecules and order them over long distances, thus achieving a breakthrough in determining the precise structure of liquid or even gas molecules by conventional single-crystal X-ray diffraction technology. https://phys.org/news/2024-01-crystalline-sponge-method-undergraduate-courses.html Analytical Chemistry Other Tue, 02 Jan 2024 10:31:12 EST news623413870 The holiday season for me includes socializing over drinks with friends and family. But all the celebrating tends to catch up with my waistline, and by New Year's Day, it's time to get back in shape. Besides vowing to hit the gym more, my approach involves a "Dry January." But as someone who teaches brewing science, spends a lot of time around breweries and bars, and thoroughly loves beer, abstaining is no easy task. https://phys.org/news/2023-12-nonalcoholic-beer-techniques-craft-flavorful.html Other Wed, 13 Dec 2023 10:49:34 EST news621686971 Within the bread, rolls and baked goods on many tables this holiday season is an extraordinary substance—gluten. Gluten's unique chemistry makes foods airy and stretchy. https://phys.org/news/2023-11-gluten-complex-chemistry-fluffy-goods.html Other Tue, 21 Nov 2023 12:10:01 EST news619788289 Coffee is one of the most popular drinks in the world, and its high levels of caffeine are among the main reasons why. It's a natural stimulant that provides an energy buzz, and we just can't get enough. https://phys.org/news/2023-11-decaf-coffee-caffeine-free.html Analytical Chemistry Other Wed, 01 Nov 2023 11:32:07 EDT news618057126 Forensic fibers can survive underwater for much longer than previously thought—which could help criminal investigators uncover vital evidence. https://phys.org/news/2023-10-forensic-evidence-survive-underwater-weeks.html Analytical Chemistry Other Mon, 16 Oct 2023 16:44:43 EDT news616693476 Talk about bouncing back. MIT professor Moungi Bawendi is a co-winner of this year's Nobel chemistry prize for helping develop "quantum dots"—nanoparticles that are now found in next generation TV screens and help illuminate tumors within the body. https://phys.org/news/2023-10-nobel-chemistry-winner-flunked-college.html Other Wed, 04 Oct 2023 12:48:57 EDT news615642532 Have you ever actually recycled a pair of pants or an old T-shirt? https://phys.org/news/2023-10-video-recycle-pantsuntil.html Other Wed, 04 Oct 2023 10:07:41 EDT news615632856 Three scientists won the Nobel Prize in chemistry Wednesday for their work on quantum dots—tiny particles just a few nanometers in diameter that can release very bright colored light and whose applications in everyday life include electronics and medical imaging. https://phys.org/news/2023-10-scientists-nobel-prize-chemistry-tiny.html Materials Science Other Wed, 04 Oct 2023 06:03:11 EDT news615618179 Swedish media say the Royal Swedish Academy of Sciences may have announced the winners of this year's Nobel Prize in chemistry prematurely. https://phys.org/news/2023-10-swedish-media-winners-nobel-prize.html Other Wed, 04 Oct 2023 04:03:27 EDT news615610998 If you are a blonde like me and enjoy laps in a swimming pool, you may have noticed your hair acquires a green tint after frequent swims in chlorinated water. https://phys.org/news/2023-09-hair-green-pool.html Other Wed, 20 Sep 2023 12:26:03 EDT news614431561 What does it mean to have "cooked" something? Is heat the only way to break down proteins and transform raw ingredients? https://phys.org/news/2023-09-video-ceviche-cooked.html Other Mon, 11 Sep 2023 10:50:20 EDT news613648217 If you have curly hair, you know that every day is a new adventure. What will my hair do today? Why does it curl better on some days than others? And even those without naturally curly hair might notice their hair curling—or, let's be honest, frizzing—a bit on humid summer days. https://phys.org/news/2023-08-hair-summer-chemist-science.html Other Mon, 14 Aug 2023 10:34:55 EDT news611228088 Many people love the refreshing effervescence of a soda, champagne, beer or sparkling water. When you take a sip, the gas bubbles in the beverage burst, and the released gas tickles your nose. But have you ever wondered how carbonation actually works? https://phys.org/news/2023-08-chemistry-carbonated-beverages.html Other Mon, 14 Aug 2023 10:20:01 EDT news611225125 In the refrigerated grocery store aisle, meat alternatives greatly outnumber plant-based seafoods. But more mock seafood options are needed because of unsustainable fishing and aquaculture practices, which can deplete the supply and harm the environment. https://phys.org/news/2023-08-3d-printed-vegan-seafood.html Materials Science Other Sun, 13 Aug 2023 05:00:01 EDT news610953003 Producers of infant formula employ comprehensive food safety systems, including product testing to ensure those systems are working. A new study from the University of Illinois Urbana-Champaign finds that some testing methods are more powerful at catching contaminants than others. https://phys.org/news/2023-08-infant-formula-safety-stratified-sampling.html Other Fri, 11 Aug 2023 12:41:33 EDT news610976488 In a comment in Nature Reviews Chemistry, Ph.D. student Hannah Flerlage and associate professor Chris Slootweg of the University of Amsterdam's Van 't Hoff Institute for Molecular Sciences argue that modern day chemists need to broaden their horizons and consider the effects of chemistry "beyond the reaction vessel and the fume hood." In order to combat ever worsening environmental crises, and to achieve real sustainability, chemistry needs to develop a combined focus on efficiency, safety, and circularity. https://phys.org/news/2023-08-chemists-effects-chemistry-lab-combat.html Analytical Chemistry Other Mon, 07 Aug 2023 06:38:41 EDT news610609096 Ice cream seems like a simple concept. Take some dairy, add some sugar and flavors, and freeze. https://phys.org/news/2023-07-ice-cream-chemist-results.html Analytical Chemistry Other Mon, 24 Jul 2023 11:55:03 EDT news609418501 Sixteen years ago, the REACH chemical regulation came into force across Europe. REACH obliges the chemical industry to identify the health risks of all chemicals used in their products. The downside of REACH is that this hazard assessment requires a large number of animal tests. Just how many was not clear until now. https://phys.org/news/2023-07-animal-debate.html Analytical Chemistry Other Fri, 21 Jul 2023 12:28:02 EDT news609161281 Some people are more attractive to mosquitos than others, and new research is starting to show why. https://phys.org/news/2023-07-video-mosquitos-obsessed.html Other Mon, 17 Jul 2023 12:34:52 EDT news608816078 This episode of Reactions dives into something truly out-of-this-world: amorphous ice. https://phys.org/news/2023-06-video-kind-ice-glass.html Other Mon, 05 Jun 2023 17:19:56 EDT news605204384 What makes for the ultimate beer drinking experience? Some like theirs in a frosty glass, others with a wedge of lime. But when it comes to froth—or the head as it's commonly known—what's the best amount and how can it be achieved? https://phys.org/news/2023-05-foam-beer-drinking-experienceand.html Other Mon, 29 May 2023 10:35:02 EDT news604575301 With its golden hue, bittersweet notes and frothy head, Stefan Fritsche's latest brew looks and tastes like any other beer. https://phys.org/news/2023-05-german-brewery-high-powdered-beer.html Other Sun, 28 May 2023 05:06:57 EDT news604469212 Danish painters in the 19th century may have turned to an unusual source for some of their supplies: breweries. https://phys.org/news/2023-05-danish-masters-prepped-canvases-leftovers.html Other Wed, 24 May 2023 17:07:53 EDT news604166868 In her first publication in the journal Forensic Science International, Ms. Ruby Dixon demonstrated that bacteria can be transferred between a male and female during sexual intercourse and there is a possibility that bacterial colonies may be unique to each individual. https://phys.org/news/2023-05-sexome-bacteria-sex-criminals.html Other Wed, 17 May 2023 10:12:44 EDT news603537161