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Scientists Develop Portable Sterilisation Unit To Decontaminate Personal Protective Equipment

Using hybrid sterilisation system, scientists have developed a portable sterilisation unit that can decontaminate personal protective equipment (PPE)

Scientists Develop Portable Sterilisation Unit To Decontaminate Personal Protective Equipment
Highlights
  • Scientists from IIT and IISER Tirupati have developed the disinfectant unit
  • Sterilisation unit can decontaminate personal protective equipment (PPE)
  • It can be used by health professionals and other corona warriors

New Delhi: Scientists have developed a portable sterilisation unit using a new technology called the hybrid sterilisation system that can decontaminate personal protective equipment (PPE) necessary for combating COVID-19, allowing them to be used multiple times, a statement said on Friday (September 4). It can be used by health professionals and other corona warriors for whom PPEs are essential and can prevent generation of hazardous solid waste from the protective gear, it added. The Portable Optical Cavity Sterilisation Unit (POSCU) to provide efficient and rapid decontamination of personal protective equipment (PPE) and other household items has been developed by the Indian Institute of Technology (IIT) Tirupati and the Indian Institute of Science Education and Research (IISER) Tirupati.

Also Read: Meet ‘Zafira’, A Humanoid Robot That Ensures You Follow COVID-19 Precautionary Measures At Public Places

A working point-of-use sterilisation unit has been developed with the support of the Science and Engineering Research Board (SERB), a body under the Department of Science and Technology (DST).

UV radiation is a proven method for sterilization. However, the lower penetration depth of UV-C and faster divergence from the source can result in non-uniform treatment, the statement said.

The team consisting of Reetesh Kumar Gangwar and Arijit Sharma (both assistant professors of physics) and Shihabudheen Maliyekkal, assistant professor of civil and environmental engineering, from IIT Tirupati has developed this hybrid sterilisation system consisting of a UV radiation cavity, cold plasma and H2O2 (hydrogen peroxide) spray.

Unlike the traditional UV systems, this unit follows the optical cavity concept to optimise the use of photon flux in the treatment area. The system confines the UV radiation and enhances photon-flux and sterilisation efficacy, the statement said.

The coherent operation of UV-C, cold plasma, and H2O2 spray further strengthens the sterilisation efficiency due to more hydroxyl radical production. The team is currently optimising the design parameters, including UV dose, plasma, and H2O2 concentration, to get the optimum sterilisation performance in a short contact time of less than two minutes. Due to the non-thermal nature of the treatment, the proposed unit shall also find application in the sterilisation of other items such as packed and unpacked food, currency, and other household items, it added.

Also Read: ‘On-Demand’ COVID-19 Testing For All Individuals, No Delays In Emergency Procedure Due To Lack Of Testing: Health Ministry

(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.) 

NDTV – Dettol Banega Swasth India campaign is an extension of the five-year-old Banega Swachh India initiative helmed by Campaign Ambassador Amitabh Bachchan. It aims to spread awareness about critical health issues facing the country. In wake of the current COVID-19 pandemic, the need for WASH (WaterSanitation and Hygiene) is reaffirmed as handwashing is one of the ways to prevent Coronavirus infection and other diseases. The campaign highlights the importance of nutrition and healthcare for women and children to prevent maternal and child mortality, fight malnutrition, stunting, wasting, anaemia and disease prevention through vaccines. Importance of programmes like Public Distribution System (PDS), Mid-day Meal Scheme, POSHAN Abhiyan and the role of Aganwadis and ASHA workers are also covered. Only a Swachh or clean India where toilets are used and open defecation free (ODF) status achieved as part of the Swachh Bharat Abhiyan launched by Prime Minister Narendra Modi in 2014, can eradicate diseases like diahorrea and become a Swasth or healthy India. The campaign will continue to cover issues like air pollutionwaste managementplastic banmanual scavenging and sanitation workers and menstrual hygiene.  

 

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