Chemistry news

• Chemists Celebrate Earth Week goes virtual

  10-07-2020 20:55 via feedproxy.google.com
  
  Online celebrations recognize the 50th anniversary of Earth Day
  
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• New plastic pyrolysis capacity planned in the US

  10-07-2020 02:03 via feedproxy.google.com
  
  Plants by Braven Environmental and Encina will take in a combined 225,000 metric tons of waste plastic per year
  
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• Tension arises as clean hydrogen projects spread

  10-07-2020 01:48 via feedproxy.google.com
  
  Saudi Arabia to build world's largest plant for green hydrogen as the UK plans a big blue hydrogen project
  
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• US preorders COVID-19 vaccine and antibody therapy

  10-07-2020 01:42 via feedproxy.google.com
  
  Novavax will earn $1.6 billion for its vaccine and Regeneron $450 million for its antibodies
  
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• Ways to keep buildings cool with improved super white paints

  09-07-2020 20:16 via feeds.sciencedaily.com
  Materials scientists have demonstrated ways to make super white paint that reflects as much as 98% of incoming heat from the sun. The advance shows practical pathways for designing paints that, if used on rooftops and other parts of a building, could significantly reduce cooling costs, beyond what standard white 'cool-roof' paints can achieve.
  
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• Robot runs almost 700 chemistry experiments in 8 days

  09-07-2020 19:54 via feedproxy.google.com
  
  Proof-of-concept work improves the yield of a hydrogen-making catalyst 6-fold
  
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• How uromodulin protein prevents urinary tract infections

  09-07-2020 17:35 via feedproxy.google.com
  
  3-D model reveals arrangement of sugar groups that bind to bacteria
  
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• Discovery makes microscopic imaging possible in dark conditions

  09-07-2020 16:52 via feeds.sciencedaily.com
  Researchers have discovered a new way to more accurately analyze microscopic samples by essentially making them 'glow in the dark', through the use of chemically luminescent molecules. Current methods of microscopic imaging rely on fluorescence, which means a light needs to be shining on the sample while it is being analyzed. While this method is effective, it also has some drawbacks.
  
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• US Senate passes bill to extend chemical facility security law

  09-07-2020 16:45 via feedproxy.google.com
  
  Legislation would keep program going for three more years
  
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• New type of base editor works on mitochondrial DNA

  09-07-2020 06:18 via feedproxy.google.com
  
  Splitting novel bacterial toxin in two pieces enables the first precision gene editing in mitochondria
  
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• Pacifichem rescheduled for 2021

  08-07-2020 20:26 via feedproxy.google.com
  
  Meeting of Pacific Basin chemical societies will be held in Honolulu on Dec. 16–21, 2021
  
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• Physicists use oscillations of atoms to control a phase transition

  08-07-2020 18:53 via feeds.sciencedaily.com
  The goal of ''Femtochemistry'' is to film and control chemical reactions with short flashes of light. Using consecutive laser pulses, atomic bonds can be excited precisely and broken as desired. So far, this has been demonstrated for selected molecules. Researchers have now succeeded in transferring this principle to a solid, controlling its crystal structure on the surface.
  
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• New molecular tool precisely edits mitochondrial DNA

  08-07-2020 18:14 via feeds.sciencedaily.com
  The precision editing technologies that have revolutionized DNA editing in the cell nucleus have been unable to reach the mitochondrial genome. Now, researchers have broken this barrier with a new type of molecular editor that can make precise C* G-to-T* A nucleotide changes in mitochondrial DNA. The editor, engineered from a bacterial toxin, enables modeling of disease-associated mtDNA mutations, opening the door to a better understanding of genetic changes associated with cancer, aging, and mo
  
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• Graphene: It is all about the toppings

  08-07-2020 16:59 via feeds.sciencedaily.com
  The way graphene interacts with other materials depends on how these materials are brought into contact with the graphene. The appropriate atoms are brought into contact with the graphene in such a way that they 'grow' on the graphene in the desired crystal structure. Until now the mechanisms of the 'growth' of such other materials on graphene have often remained unclear. A new study shows now how indium oxide grows on graphene.
  
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• Bespoke catalysts for power-to-X

  08-07-2020 16:59 via feeds.sciencedaily.com
  Suitable catalysts are of great importance for efficient power-to-X applications -- but the molecular processes occurring during their use have not yet been fully understood. Using X-rays from a synchrotron particle accelerator, scientists have now been able to observe for the first time a catalyst during the Fischer-Tropsch reaction that facilitates the production of synthetic fuels under industrial conditions.
  
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• International students in US cannot take classes online only

  08-07-2020 01:04 via feedproxy.google.com
  Trump administration says students must take some classes in person, reversing pandemic-era exception
  
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• Mussel-inspired polymer glue sticks to wet surfaces

  07-07-2020 23:02 via feedproxy.google.com
  
  New adhesive can be applied and cured with UV light in a range of salty and acidic conditions
  
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• Custom nanoparticle regresses tumors when exposed to light

  07-07-2020 22:01 via feeds.sciencedaily.com
  A unique nanoparticle to deliver a localized cancer treatment inhibits tumor growth in mice, according to researchers.
  
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• Boron nitride destroys PFAS 'forever' chemicals PFOA, GenX

  07-07-2020 22:01 via feeds.sciencedaily.com
  Chemical engineers have discovered a photocatalyst that can destroy 99% of the 'forever' chemical PFOA in laboratory tests on polluted water. Researchers showed the boron nitride catalyst also destroys GenX, a PFOA replacement that's also an environmental problem.
  
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• Engineers use electricity to clean up toxic water

  07-07-2020 17:32 via feeds.sciencedaily.com
  Powerful electrochemical process destroys water contaminants, such as pesticides. Wastewater is a significant environment issue. Researchers say the technology could be readily applied to the wine industry, paper processing and pharmaceutical manufacturing.
  
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• Chemists resolve origin of perovskite instability

  07-07-2020 17:32 via feeds.sciencedaily.com
  Researchers have demystified the reasons for instability in an inorganic perovskite. The source of thermodynamic instability in the halide perovskite cesium lead iodide (CsPbI3) is the inorganic cesium atom and its ''rattling'' behavior within the crystal structure.
  
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• How does Earth sustain its magnetic field?

  06-07-2020 20:08 via feeds.sciencedaily.com
  Life as we know it could not exist without Earth's magnetic field and its ability to deflect dangerous ionizing particles. It is continuously generated by the motion of liquid iron in Earth's outer core, a phenomenon called the geodynamo. Despite its fundamental importance, many questions remain unanswered about the geodynamo's origin. New work examines how the presence of lighter elements in the predominately iron core could affect the geodynamo's genesis and sustainability.
  
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• 'Pregnancy test for water' delivers fast, easy results on water quality

  06-07-2020 17:40 via feeds.sciencedaily.com
  A new platform technology can assess water safety and quality with just a single drop and a few minutes. Powered by synthetic biology, when the test detects a contaminant exceeding the EPA's standards, it glows green, providing an easy-to-read positive or negative result.
  
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• Optical amplifiers: Highest peak power and excellent stability

  06-07-2020 17:39 via feeds.sciencedaily.com
  Optical amplifiers based on chirped pulse amplification (CPA) are used to generate high intensity pulses. In the CPA scheme, a weak temporally stretched seed pulse is amplified to high energy in a laser amplifier and finally re-compressed resulting in an ultrashort pulse of very high intensity.
  
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• Pentadiamond outshines the original

  06-07-2020 07:02 via feedproxy.google.com
  
  A theoretical material made of carbon pentagons is lighter and stiffer than a standard diamond
  
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• Tomohiro Fujita wants to help Japan reach its potential in biotechnology

  06-07-2020 07:01 via feedproxy.google.com
  
  The country has failed to fully harness its traditional strengths in fermentation, the CEO of Chitose Group says
  
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• Same catalyst, different times, give different enantiomers

  06-07-2020 07:01 via feedproxy.google.com
  
  Reaction forms chiral amines in high selectivity
  
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• Is clarity coming for biobased chemicals?

  06-07-2020 07:01 via feedproxy.google.com
  
  Despite record-low oil prices, companies say their biobased alternatives are in demand
  
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• COVID-19 shakes up summer internship and research opportunities

  06-07-2020 07:00 via feedproxy.google.com
  
  How companies, research experiences, and undergraduate students are adapting
  
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• Solar production rose amid pandemic shutdowns

  06-07-2020 02:15 via feedproxy.google.com
  
  Better air quality in Delhi meant less haze-and a boost for solar installations
  
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• Radioactive plume detected above Europe

  06-07-2020 02:15 via feedproxy.google.com
  
  Trace levels of radioactive elements were measured over Scandinavia and the Arctic
  
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• Photocatalysis in flow functionalizes light hydrocarbons

  06-07-2020 02:14 via feedproxy.google.com
  
  Decatungstate plucks hydrogen atoms from C–H bonds in methane, ethane, propane, and isobutane
  
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• Career Ladder: Lana Rossiter

  04-07-2020 12:39 via feedproxy.google.com
  
  This FDA reviewer doubles as a commissioned officer called to action for emergencies like COVID-19
  
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• Block plan compresses one class into a few weeks for deeper learning

  03-07-2020 14:04 via feedproxy.google.com
  
  Schools are adopting the 50-year-old strategy to curtail COVID-19 disruptions
  
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• Gold nanowires take on a new twist

  02-07-2020 23:28 via feedproxy.google.com
  
  A palladium salt spurs bundles of gold threads to coil themselves into nanoropes
  
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• Carbon-loving materials designed to reduce industrial emissions

  02-07-2020 20:47 via feeds.sciencedaily.com
  Researchers are advancing gas membrane materials to expand practical technology options for reducing industrial carbon emissions.
  
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• Crystal structure discovered almost 200 years ago could hold key to solar cell revolution

  02-07-2020 20:40 via feeds.sciencedaily.com
  Solar energy researchers are shining their scientific spotlight on materials with a crystal structure discovered nearly two centuries ago.
  
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• Histones' secret enzyme gig may have helped power eukaryote evolution

  02-07-2020 20:08 via feedproxy.google.com
  
  Proteins with a key role in DNA packaging moonlight as copper-reducing enzymes
  
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• FDA outlines criteria for COVID-19 vaccine approvals

  02-07-2020 19:04 via feedproxy.google.com
  
  Clinical trials must prove a vaccine can prevent infections
  
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• Chemical gradients revealed in human tooth enamel

  02-07-2020 17:58 via feedproxy.google.com
  
  New chemical details could help scientists understand how teeth decay
  
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• Algae as living biocatalysts for a green industry

  02-07-2020 17:37 via feeds.sciencedaily.com
  Many substances that we use every day only work in the right 3D structure. Natural enzymes could produce these in an environmentally friendly way - if they didn't need a co-substrate that is expensive to produce to date. A research team has now discovered exactly the necessary enzymes in unicellular green algae.
  
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• Zhenan Bao wins inaugural Disrupters and Innovators Prize

  02-07-2020 17:25 via feedproxy.google.com
  
  Stanford professor honored by <i>ACS Central Science</i> for her work on electronic polymers
  
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• Charcoal a weapon to fight superoxide-induced disease, injury

  02-07-2020 16:05 via feeds.sciencedaily.com
  Artificial enzymes made of treated charcoal could have the power to curtail damaging levels of superoxides, toxic radical oxygen ions that appear at high concentrations after an injury.
  
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• Protective gear could expose firefighters to PFAS

  01-07-2020 23:05 via feedproxy.google.com
  
  Fluorinated compounds in water-resistant textiles break down over time, contacting the skin and shedding into the environment
  
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• New US limit on lead dust not what the doctor ordered

  01-07-2020 23:01 via feedproxy.google.com
  
  The EPA strengthens regulations for lead paint cleanup but doesn't use the latest science to protect children from lead poisoning
  
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• Self-replicating molecules catalyze multiple reactions

  01-07-2020 22:49 via feedproxy.google.com
  
  The chemical system is a step to developing synthetic life
  
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• CO₂ market seeks its balance as the US economy starts back up

  01-07-2020 19:59 via feedproxy.google.com
  
  Meatpacking and stadium shutdowns blunted a supply crisis, but the return to normal brings its own risks
  
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• Elucidating how asymmetry confers chemical properties

  01-07-2020 18:54 via feeds.sciencedaily.com
  New research categorizes the causes of structural asymmetry, some surprising, which underpin useful properties of crystals, including ferroelectricity, photoluminescence, and photovoltaic ability.
  
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• Material research: New chemistry for ultra-thin gas sensors

  01-07-2020 16:00 via feeds.sciencedaily.com
  The application of zinc oxide layers in industry is manifold and ranges from the protection of degradable goods to the detection of toxic nitrogen oxide gas. Such layers can be deposited by atomic layer deposition (ALD) which employs typically chemical compounds, or simply precursors, which ignite immediately upon contact with air, i.e. are highly pyrophoric.
  
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• Building a harder diamond

  01-07-2020 16:00 via feeds.sciencedaily.com
  Scientists create a theoretical carbon-based material that would be even harder than diamond. This work may have industrial applications for cutting and polishing in place of current synthetic diamond.
  
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