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August 18, 2016

How Did the Phosphate Get into RNA? Urea as one of the essential components in Darwin's "warm little pond"

The phosphate ion is almost insoluble and is one of the most inactive of Earth's most abundant phosphate minerals. So how could phosphate have originally been incorporated into ribonucleotides, the building blocks of RNA, which are considered to be among the earliest constituents of life? American and Spanish scientists have now identified reasonable conditions to mobilize phosphate from insoluble apatite minerals for prebiotic organophosphate synthesis, including ribonucleotides. The pivotal role of urea in this process is also described in their article in the journal Angewandte Chemie.

August 16, 2016

Cold-Fired Ceramics: Paradigm shift in ceramics production: cold sintering instead of high-temperature firing

Both hobbyists' pottery and engineered high-performance ceramics are only useable after they are fired for hours at high temperatures, usually above 1000 °C. The sintering process that takes place causes the individual particles to “bake” together, making the material more compact and giving it the required properties, like mechanical strength. In the journal Angewandte Chemie, American researchers have now demonstrated that sintering can also take place at significantly lower temperatures. This cold sintering process is based on the addition of small amounts of water to aid the key transport processes that densify the material.

August 03, 2016

Crystal Analysis in 3D: Photon energy as the third dimension in crystallographic texture analysis

Whether building bone, shells, or corals, living creatures are true masters of crystallization. In the laboratory, this amazing precision cannot be duplicated yet. The processes and many of the precise structures of bio minerals remain largely unexplored. In the journal Angewandte Chemie, an international team has now introduced a three-dimensional X-ray diffraction technique for determining crystallographic texture—the preferred orientation of the little crystals in a solid—with previously unattainable spatial resolution.

July 21, 2016

Rusty Steel Triggers Oxygen Evolution: Corroded stainless steel plate makes up an efficient water splitting electrode

Electrocatalytic water splitting is one of the most promising next generation technologies for environmentally friendly and inexpensive energy conversion and storage. However, one of its biggest obstacles is the sluggishness of the oxidation reaction, which is key to the whole process. State-of-the-art technology relies on metal oxide electrocatalysts, but both cost and performance still need to be improved. In the journal Angewandte Chemie, Chinese scientists have now introduced oxidized, that is, rusty, stainless-steel plates as excellent electrocatalysts for oxygen evolution. That technology could represent a surprisingly simple approach toward solving a long-standing problem.

July 20, 2016

Explosive Synthesis: Chemical synthesis of a powerful high-energy compound

Trinitrotoluene or TNT has been considered as the standard measure for explosives for 100 years, although new high-energy-density materials or HEDMs outperform this substance in terms of explosion power, safety, but also environmental compatibility. In the journal Angewandte Chemie, Russian scientists present the synthesis of a highly interesting HEDM, which exhibits excellent energetic properties as well as a beautiful, butterfly-like structure.

July 13, 2016

Genetic Tests with the Naked Eye: Replication of enzyme-nucleotide chimeras

DNA polymerases are the “Xerox machines” that replicate our DNA. They must work with great precision to keep errors from creeping into our genes. In spite of this precision, they still accept building blocks that have been coupled to large proteins, as a group of German scientists reports in the journal Angewandte Chemie. Based on this fact, the team has developed detection systems for genotyping DNA and RNA that can be evaluated by the naked eye. This method may allow for new diagnostic tools for use in the field.

July 12, 2016

Counting Red Blood Cells: Electrochemical determination of the concentration and peroxidase activity of erythrocytes

Blood counts are routinely carried out before operations, in cases of infection, or when testing for a variety of diseases, such as anemia and leukemia. A key value in this test is the number of red blood cells (erythrocytes). Scientists at the University of Oxford (UK) have now introduced a simple nano-electrochemical process for the rapid, precise determination of the erythrocyte count. As described in the journal Angewandte Chemie, the test also determines the activity of individual erythrocytes toward hydrogen peroxide.

July 11, 2016

Facile Dosimetry for Chemical Hazards: Disposable, low-cost chemidosimetric indicator with smartphone connection

The detection of exposure to chemical hazards can save lives. American scientists have developed a smart and simple chemidosimeter based on a chemiresistive sensor combined with a near-field communication tag, which can be read-out by a smartphone. This chemically actuated resonant device (CARD) is made of simple components, is disposable, ready-to-use, needs no batteries, and can be worn as a badge by people who are likely exposed to chemical hazards. It is described in the journal Angewandte Chemie.

April 15, 2016

Monitoring Breathing: Paper-based electrical sensor developed to monitor respiration rate

A simple but effective sensor for monitoring the respiration rate of individuals has been created. Taking advantage of the hygroscopic character of ordinary paper, scientists at Harvard University have developed an electrical sensor to detect the periodic changes of humidity by breathing in and out. As they report in the journal Angewandte Chemie, the respiration data can be transmitted to and collected by nearby smartphones or tablet computers for further processing, storage, or transmittance to practical therapists. A simple face mask carrying the sensor system and worn in hospital wards may thus save lives.

April 13, 2016

Poor Lubrication: Astringent mouthfeel of wine results from a lubrication failure in the mouth

We are all familiar with that strange feeling in the mouth after a sip of red wine or tea, or a bite of unripe fruit. It has been described as dry, leathery, or even furry. This astringent effect is caused by tannins or polyphenolic compounds that bind to mucins, lubricating proteins in the mucus membranes of the mouth. In the journal Angewandte Chemie, a Chinese and Korean research team has now shown the relationship between astringency and disrupted lubrication of the oral cavity.

April 01, 2016

Power from Sun and Rain: Graphene layer could allow solar cells to generate power when it rains

Solar energy is on the rise. Many technical advances have made solar cells quite efficient and affordable in recent years. A big disadvantage remains in the fact that solar cells produce no power when it’s raining. This may change, however: In the journal Angewandte Chemie, Chinese researchers have now introduced a new approach for making an all-weather solar cell that is triggered by both sunlight and raindrops.

January 27, 2016

Experts Offer New Approach to Prioritizing Research on the Environmental Impacts of Pharmaceuticals

Researchers have developed a new way to prioritize investigations on the environmental impacts of the estimated 1500 active pharmaceutical ingredients currently in use.

November 02, 2015

Researchers Provide Detailed Genetic Information on Fish Commonly Used in Environmental Toxicology Studies

The fathead minnow (Pimephales promelas) has long been a premier animal model for research and regulation related to environmental toxins. Unfortunately, however, genetic information about this species is incomplete. The lack of genome sequence information for the species has limited scientists’ ability to dissect complex traits, evaluate genetic markers, identify gene regulatory sequences, and elucidate biological pathways.

October 29, 2015

New Open Access Journal Will Advance Engineering and Opportunities in Translational Medicine

John Wiley and Sons Inc., today announced a partnership with The American Institute of Chemical Engineers (AIChE) and its Society for Biological Engineering (SBE), to launch a new quarterly, peer-reviewed, open access journal, Bioengineering & Translational Medicine. To be launched in 2016 as part of the Wiley Open Access portfolio and edited by Samir Mitragotri of the University of California, Santa Barbara, the new journal will focus on ways chemical and biological engineering are driving innovations and solutions that impact clinical practice and commercial healthcare products. The journal will also highlight scientific and technical breakthroughs currently in the process of clinical and commercial translation.

October 27, 2015

The Triological Society and Wiley launch a new open access journal

The Triological Society and John Wiley and Sons, Inc. announced today the launch of a new open access publication, Laryngoscope Investigative Otolaryngology. Laryngoscope Investigative Otolaryngology is a peer-reviewed open access journal focused on the rapid dissemination of the science and practice of otolaryngology head and neck surgery. The new title is a companion journal to The Laryngoscope and will publish high-quality, original research across the spectrum of basic and clinical otolaryngology.

September 21, 2015

How Mercury Contamination Affects Reptiles in the Amazon Basin

Mercury contamination in water and on land is of worldwide concern due to its toxic effects on ecosystems and human health. Mercury toxicity is of particular concern to reptiles because they are currently experiencing population declines. Also, reptiles are ideal indicators of mercury contamination in aquatic environments because they are long lived and occupy diverse habitats.

 

July 30, 2015

Wiley announces strong performance in 2015 Journal Citation Reports release

John Wiley & Sons, Inc., today announced a strong performance in Thomson Reuters® 2015 Journal Citation Reports (JCR) release.

July 20, 2015

Drugs in Wastewater Contaminate Drinking Water

Both prescription and illegal drugs that are abused have been found in Canadian surface waters. New research shows that wastewater discharges flowing downstream have the potential to contaminate sources of drinking water with these drugs at relatively low concentrations.

July 20, 2015

Technique May Reveal the Age of Moon Rocks During Spaceflight

Researchers are developing instruments and methods for measuring the ages of rocks encountered during space missions to the Moon or other planets.  Many of the techniques used to date rocks on Earth are not practical in spaceflight, but a technique called laser ablation resonance ionization mass spectrometry can avoid the need for sophisticated sample preparation. 

May 04, 2015

Lab Test Commonly Used to Assess Water Toxicity May Not Predict Effects on Field Populations

Hyalella azteca are invertebrates that are widely used for sediment and water toxicity studies. Investigators have found that H. azteca collected from sites influenced by agricultural/urban runoff are as much as 2-times less sensitive to pyrethroid insecticides than lab-grown H. azteca. In contrast, the insecticide sensitivities of H. azteca collected from undeveloped sites beyond the influences of agricultural/urban runoff were similar to those of lab-grown populations.

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