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ScienceDaily: Matter & Energy News |
| Templating approach stabilizes 'ideal' material for alternative solar cells Posted: 23 Dec 2021 11:31 AM PST Researchers have developed a method to stabilize a promising material known as perovskite for cheap solar cells, without compromising its near-perfect performance. |
| ‘Pop-up’ electronic sensors could detect when individual heart cells misbehave Posted: 23 Dec 2021 08:30 AM PST UC San Diego engineers developed a powerful new tool that directly measures the movement and speed of electrical signals inside heart cells, using tiny 'pop-up' sensors that poke into cells without damaging them. It could be used to gain more detailed insights into heart disorders and diseases. |
| Machine learning models quantum devices Posted: 22 Dec 2021 05:40 AM PST Technologies that take advantage of novel quantum mechanical behaviors are likely to become commonplace in the near future. These may include devices that use quantum information as input and output data, which require careful verification due to inherent uncertainties. The verification is more challenging if the device is time dependent when the output depends on past inputs. For the first time, researchers using machine learning dramatically improved the efficiency of verification for time-dependent quantum devices by incorporating a certain memory effect present in these systems. |
| Developing bioactive coatings for better orthopaedic implants Posted: 22 Dec 2021 05:40 AM PST Bioactive coatings play a vital role in the success of implants such as those for knees or hips, because their properties induce a biological response that is good for the health. Researchers are working on a coating that mimics bone tissue. |
| Study finds electric vehicles provide lower carbon emissions through additional channels Posted: 21 Dec 2021 06:25 PM PST A recent study found that the total indirect emissions from the supply of chain of electric vehicles pale in comparison to the same indirect emissions from fossil fuel-powered vehicles. |
| Fueling the future with new perovskite-related oxide-ion conductors Posted: 21 Dec 2021 06:24 PM PST Stable and high oxide-ion conductors based on a new hexagonal perovskite-related oxide has been reported in a recent study. These high-performance oxide-ion conductors could pave the way for the development of solid electrolytes for next-generation batteries and clean energy devices such as solid oxide fuel cells. |
| 3D-bioprinted tissues can now be stored in the freezer until needed Posted: 21 Dec 2021 10:35 AM PST A major obstacle to widespread study and clinical use of 3D tissues is their short shelf-life, which may be anywhere from a just few hours to a few days. As in the case of an organ transplant, a bioprinted tissue must be transported rapidly to the location where it is needed, or it will not be viable. Researchers now describe new work combining 3D bioprinting with cryopreservative techniques to create tissues which can be preserved in a freezer at -196°C and thawed within minutes for immediate use. |
| Your seat on public transportation determines level of exposure to exhaled droplets, study finds Posted: 21 Dec 2021 10:35 AM PST In a new study, researchers developed a model with an unprecedented level of detail and focused on conditions that are more characteristic of asymptomatic transmission. The multiphysics model involved air and droplet dynamics, heat transfer, evaporation, humidity, and effects of ventilation systems. The researchers modeled various scenarios in close detail and were able to reconstruct their ventilation paths. |
| A new platform for controlled design of printed electronics with 2D materials Posted: 21 Dec 2021 10:35 AM PST Scientists have shown how electricity is transported in printed 2D materials, paving the way for design of flexible devices for healthcare and beyond. |
| Sensor based on quantum physics could detect SARS-CoV-2 virus Posted: 21 Dec 2021 10:34 AM PST Researchers found it's possible to design a sensor, based on quantum physics, that could detect the SARS-CoV-2 virus. The approach may offer faster, cheaper, and more accurate detection of Covid-19, including of new variants. |
| Biosensors using field-effect transistors show great promise Posted: 21 Dec 2021 10:33 AM PST Researchers review scientific advances of electrolyte-gated carbon nanotube field-effect transistor biosensors, which are characterized by superior electronic properties and intrinsic signal amplification and are capable of detecting a wide range of biomolecules with high sensitivity. One of their main components is the biorecognition element, which selectively recognizes the analyte of interest. Biotransduction devices convert the interaction between the biorecognition element and analyte into a measurable signal. |
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