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ScienceDaily: Computers & Math News |
| AI helping to quantify enzyme activity Posted: 19 Oct 2021 07:32 PM PDT Enzymes are biological catalysts that facilitate biochemical transformations. An international team of bioinformatics researchers has developed a new process for predicting Michaelis constants, which determine reaction kinetics. |
| New way to find cancer at the nanometer scale Posted: 19 Oct 2021 07:31 PM PDT Researchers describe a new liquid biopsy method using lab-on-a-chip technology that they believe can detect cancer before a tumor is even formed. Using magnetic particles coated in a specially designed bonding agent, the liquid biopsy chip attracts and captures particles containing cancer-causing biomarkers. A close analysis can identify the type of cancer they are carrying. This, the researchers say, can significantly improve cancer diagnosis and treatment. |
| COVID-19 vaccination strategies: When is one dose better than two? Posted: 19 Oct 2021 09:01 AM PDT While most of the COVID-19 vaccines are designed as a two-dose regimen, some countries have prioritized vaccinating as many people as possible with a single dose before giving out an additional dose. In a new study, researchers illustrate the conditions under which a "prime first" vaccine campaign is most effective at stopping the spread of the COVID-19 virus. The team found the vaccine waning rate to be a critically important factor in the decision. |
| Simulation illustrates how COVID-19 social distancing creates pedestrian 'traffic jams' Posted: 19 Oct 2021 09:01 AM PDT Researchers examine the dynamics of social distancing practices, common defense against the spread of COVID-19, through the lens of particle-based flow simulations. The study models social distance as the distance at which particles, representing pedestrians, repel fellow particles and sheds light on the relationship between social distancing and pedestrian flow dynamics in corridors by illustrating how adherence to social distancing protocols affects two-way pedestrian movement in a shared space. |
| Targeted interventions to contain pandemics, minimize societal disruption Posted: 19 Oct 2021 09:01 AM PDT Nonpharmaceutical interventions, such as isolation, quarantines, and lockdowns, have been implemented in an effort to contain the pandemic, but these are often disruptive and costly. In a new article, researchers identify new and sustainable interventions to contain outbreaks while minimizing the economic and social costs. They built a data-driven mobility model to simulate COVID-19 spreading in Hong Kong, by combining synthetic population, human behavior patterns, and a viral transmission model, and found that by controlling a small percentage of grids, the virus could be largely contained. |
| New solution for low cost, light-weight and compact wireless transfer devices Posted: 19 Oct 2021 08:05 AM PDT Scientists have successfully developed a new power controller system for wireless power transfer. The developed system will effectively reduce the amount of circuit components in wireless power transfer devices, as well as their cost and weight. This technology could be especially beneficial for electric cars, drones and other such vehicles for which a light weight and compact size are important, in addition to implantable medical devices such as pacemakers. |
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