{"id":64133,"date":"2021-05-09T15:39:53","date_gmt":"2021-05-09T15:39:53","guid":{"rendered":"https:\/\/websitedesigns.com.au\/elankanew\/?p=64133"},"modified":"2021-05-09T15:39:53","modified_gmt":"2021-05-09T15:39:53","slug":"peradeniya-universitys-virus-killer-face-mask-goes-into-production-by-sarasi-wijeratne","status":"publish","type":"post","link":"https:\/\/websitedesigns.com.au\/elankanew\/peradeniya-universitys-virus-killer-face-mask-goes-into-production-by-sarasi-wijeratne\/","title":{"rendered":"Peradeniya University\u2019s virus killer face mask goes into production-By Sarasi wijeratne"},"content":{"rendered":"<section class=\"row article_header row active\">\n<h1 class=\"os-animation animated fadeInUp\" style=\"text-align: center;\" data-os-animation=\"fadeInUp\" data-os-animation-delay=\"0.2s\"><span style=\"color: #800000; font-size: 28px;\">Peradeniya University\u2019s virus killer face mask goes into production-By Sarasi wijeratne<\/span><\/h1>\n<p><img loading=\"lazy\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-64134 aligncenter\" src=\"https:\/\/websitedesigns.com.au\/elankanew\/wp-content\/uploads\/2021\/05\/cover-story-Peradeniya-600x400.jpg\" alt=\"\" width=\"600\" height=\"400\" \/><\/p>\n<p><strong><span style=\"font-size: 20px; color: #800000;\">Source:<\/span><\/strong><a style=\"color: #000000; font-size: 20px;\" href=\"http:\/\/counterpoint.lk\/peradeniya-universitys-virus-killer-face-mask-goes-production\/\" target=\"_blank\" rel=\"noopener noreferrer\">Counterpoint<\/a><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">Researchers from the University of Peradeniya who invented the Respirone Nano AV99 face mask will present their product to the diplomatic community today for it to be marketed in their countries. The production of the mask for the local market has already begun and will be available as soon as possible.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">The mask is unique because it is three -ply and the layers have properties that will repel and kill the SARS CoV- 2 virus.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">The Respirone has advantages over most other masks.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">The mask\u2019s filtration level of aerosol particles containing the virus is nearly 100 percent.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">The Respirone is made of cotton and is bio-degradable which makes it environmentally friendly.\u00a0 Most other masks are made of polypropelene which is damaging to the environment.<\/span><\/p>\n<p><!--more--><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">\u2018This type of three -ply mask is currently not available anywhere in the world\u2019, points out Professor Gamini Rajapakse who heads the team of researchers that invented and designed the Respirone.\u00a0\u00a0 \u2018We have been working\u00a0hard ever since the Covid-19 pandemic started in Sri Lanka because we wanted to use our knowledge\u00a0to contribute to its control\u2019.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">The mask\u2019s upper layer is made of cotton which is modified nano-technologically\u00a0to make it water repellent.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">Professor Rajapakse who is the senior professor in Chemistry and Nanotechnology in the University draws a parallel with the superhydrophobic nature of the lotus leaf off which water rebounds.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">\u2018If any aerosol particle containing the virus reaches the upper layer of the mask the\u00a0particle is\u00a0repelled\u2019.\u00a0 It\u00a0 also keeps the mask dry and clean.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">The middle layer of the mask is also made of cotton. The pores are blocked using microparticles which are the same size as the fabric\u2019s pores to ensure no particles such as the SARS CoV-2 penetrates. But it allows molecules in the air to flow in for breathability.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">\u2018The particles which have been used have a positively\u00a0charged surface so that they\u00a0attract the negatively\u00a0charged SARS CoV-2 viral envelope and bind electrostatically on\u00a0their surface\u2019.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">The surface of the middle layer also contains star-shaped nanoparticles with sharp nano blades which are capable of cutting the\u00a0virus\u2019s\u00a0spike proteins.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">\u2018It\u2019s the same as cutting them using scissors\u2019, explains Professor Rajapaksa. \u00a0\u2018This is a unique characteristic because microbes cannot develop any resistance to physical destruction. The nanoparticles are capable of destroying not only the present variants of SARS CoV-2 but any future mutations and hybrid versions as well since they all have these spike\u00a0proteins which can be cut to pieces by the nano blades\u2019.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">Although the mask has four inbuilt mechanisms by\u00a0which these nanoparticles can destroy the virus, this \u00a0physical action is the dominant one.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">The Respirone\u2019s virus killing efficiency was measured at the Peradeniya University\u2019s Virology Unit using a SRV coronavirus which is similar to Covid-19. It was found that at half the concentration used, the nanoparticles killed the viruses completely giving zero RSV Antigen Cell Viability.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">According to Professor Rajapakse the materials were also tested for various bacteria and it was found that it\u00a0kills all\u00a0bacteria types which the research team had studied. \u2018We are confident that this\u00a0middle\u00a0layer does not allow any viral or bacterial particle to pass through\u2019.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">Professor Rajapakse is optimistic. \u2018There is no face mask that is as advanced as this that has been developed\u00a0anywhere in the world so far. It should have a high market potential\u2019.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">The Respirone is reusable.\u00a0 It can be washed up to 15 or 20 times and depending on the frequency of use, can be worn for more than one month.\u00a0 Estimated at costing the consumer less than 150 Sri Lankan rupees, the mask will be affordable.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">The mask will be launched on the 15<sup>th<\/sup>\u00a0of March.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">The team of researchers who invented the mask includes Dr. H.M. Chaminda Herath, Consultant Radiologist, Nawalapitiya General\u00a0Hospital, Ruwan Jayakantha who has a M .Phil. in Nanotechnology and who is an expert in Computing, Automation and Instrument Development, Charaka Jayasinghe who has a M.Sc. in Nanotechnology for developing particle retention analyzer, \u00a0Nirishan Samarasinghe, Technical Officer in Microscopy, Professor Faseeha Noordeen, Virologist and Professor of Microbiology, Faculty of Medicine, Dr. Nilanthi Dissanayake, Head of Department of Microbiology, Faculty of Medicine, Dr. Veranja Liyanapathirana, Senior Lecturer in Microbiology, Faculty of Medicine and\u00a0Gayan Shashanka Thilakarathna, a M.Phil. student.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">The mask will be produced by Sarasavi Industries, an experienced supplier of knitwear.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">Today\u2019s presentation will take place via zoom at the Ministry of Trade.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">Professor Rajapakse and his team of postdoctoral researchers have also developed an antimicrobial pigment using sludge which can be used in paints to\u00a0destroy viruses, bacterial, fungi and other\u00a0harmful microorganisms including to prevent the SARS CoV 2 virus from attaching to surfaces.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 20px; color: #000000;\">A private company is currently working on the mass production of\u00a0this pigment.<\/span><\/p>\n<p style=\"text-align: justify;\">\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Peradeniya University\u2019s virus killer face mask goes into production-By Sarasi wijeratne Source:Counterpoint Researchers from the University of Peradeniya who invented the Respirone Nano AV99 face mask will present their product to the diplomatic community today for it to be marketed in their countries. The production of the mask for the local market has already begun [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":64134,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"aside","meta":{"footnotes":""},"categories":[20],"tags":[34469,34467,34468],"class_list":{"0":"post-64133","1":"post","2":"type-post","3":"status-publish","4":"format-aside","5":"has-post-thumbnail","7":"category-articles","8":"tag-gayan-shashanka-thilakarathna","9":"tag-nano-av99-face-mask","10":"tag-ruwan-jayakantha","11":"post_format-post-format-aside"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.7.1 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Peradeniya University\u2019s virus killer face mask goes into production-By Sarasi wijeratne<\/title>\n<meta name=\"description\" content=\"Researchers from the University of Peradeniya who invented the Respirone Nano AV99 face mask will present their 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