Covid variant 1st detected in Brazil more contagious
By IANS |
Published on
Wed, Mar 3 2021 14:57 IST |
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Brazil: A pedestrian wearing a facial mask passes a graffiti in honor of medical workers in Sao Paulo, Brazil, Feb. 18, 2021. (Photo by Rahel Patrasso/Xinhua/IANS). Image Source: IANS News
Brasilia, March 3 : The coronavirus variant detected in the northern Brazilian state of Amazonas is twice as contagious and capable of re-infecting those who already had Covid-19, according to a study
The Sao Paulo Research Foundation said on Tuesday that the scientific research group was coordinated by Ester Sabino, an expert on infectious diseases at the University of Sao Paulo, and Nuno Faria, a researcher at Oxford University, reports Xinhua news agency.
How Braskem and Alpfilm s PVC Film Kills Coronavirus
Image Credit: goffkein.pro/Shutterstock.com
An innovative transparent PVC food packaging film, developed by Brazilian technology companies Braskem and Alpfilm, uses silver-silica nanoparticles, paving the way towards the next-generation antimicrobial packaging technology for superior food protection.
Food degradation and spoilage caused by food-borne pathogens and microorganisms cause serious economic and health problems in modern society. In addition to the traditional food preservation methods, such as thermal processing, refrigeration, and drying, a relatively new concept called active packaging is emerging. The idea behind the active packaging concept is to provide interaction between the food and the packaging material and extend the shelf life of food products by maintaining a safe microenvironment.
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Silica-Silver Plastic Film Kills Coronavirus on Contact
SAO PAULO, Brazil, February 13, 2021 (ENS) – A plastic film that can deactivate 99.99 percent of the virus that causes COVID-19 in 15 minutes has been released by an international team of companies and universities from Brazil and Spain. The product, AlpFilm Protect PVC, is now on the market and is being used to pack meat, fruit, vegetables and cold meats, and to protect surfaces.
The scientific team found that silica is a semiconductor that becomes active with metallic silver nanoparticles to generate oxidative molecules capable of deactivating 79.9 percent of the new coronavirus in three minutes and 99.99 percent in just 15 minutes.