New age sustainable disinfectants, sanitisers may bring relief from chemical ones with side effects: Govt

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A number of startups based in different parts of India are now armed with a range of sustainable alternatives to conventional chemical-based decontaminants

The days of suffering from dry, itching hands due to rinsing them multiple times with chemical disinfectants and soap as protection against contact infection of COVID-19 may soon be over. A number of startups based in different parts of India are now armed with a range of sustainable alternatives to conventional chemical-based decontaminants that can disinfect surfaces and even microcavities, said the government.

They also include technologies for disinfection of the biomedical waste generated at hospitals and the use of novel nanomaterials and chemical process innovations for long-lasting and safe sterilisation of the recurrent use surfaces, said the Union Ministry of Science and Technology.

Safe disinfection and sanitisation technologies have come from a total of 10 companies supported for disinfectants and sanitisers under Centre for Augmenting WAR with COVID-19 Health Crisis (CAWACH), an initiative by the National Science and Technology Entrepreneurship Development Board (NSTEDB), Department of Science and Technology (DST), implemented by Society for Innovation and Entrepreneurship (SINE), IIT Bombay.

Mumbai based start-up Inphlox Water Systems, with expertise in treating complex polluted water and wastewater, modified their technology to design and develop a system for space and equipment disinfection to fight COVID 19 contamination titled VAJRA.

The VAJRA KE Series uses a disinfection system consisting of a multistage disinfection process by incorporating electrostatic discharge that generates ozone, and the powerful sterilizing effects of UVC light spectrum. VAJRA Kavach-E (KE) uses advanced oxidation, electrostatic discharge, and UVC light spectrum to inactivate the viruses, bacteria, and other microbial strains present on the PPE. This saves costs by making the PPE, medical, and nonmedical gear reusable.

Inphlox Water Systems, which started with the Nidhi Prayas grant from DST (through IIT Bombay) for innovations in the water sector, used the CAWACH grant from DST to modify their technology to make it suitable for combating the COVID 19 infection. They prepared themselves for manufacturing 25 space disinfection systems per month, streamlined the production, supply chain, and logistics to scale up the manufacturing capacity by 25 percent with each passing month thereon.

Coimbatore-based Eta Purification offers advanced sterilisation solutions. It is using environmentally-sound micro-cavity plasma technology. This novel technology, where the disinfectant is produced directly from air or oxygen offers a sustainable alternative to conventional chemical-based decontamination.

The COSMO (Complete Sterilisation by Microplasma Oxidation) system can rapidly disinfect COVID-19 infected areas, including quarantine facilities, ambulatory care, and equipment surfaces. This innovative micro-plasma sterilisation system offers compact and scalable modular units which are robust, flexible, and energy-efficient.

The disinfectant is produced on-site, thereby eliminating the transport, storage, and handling of hazardous chemicals. These decontamination systems are 10 times less than the conventional system of equivalent capacity, making it suitable for resource constraint environments.

Weinnovate Biosolutions from Pune has developed silver nanoparticles based on non-alcoholic liquid sanitiser. Their technology pending for patent also inhibits the RNA replication activity – preventing spread of the virus and blocks surface glycoproteins – making the virus ineffective.

An instant microwave-based handheld steriliser ATULYA and a microwave-assisted cold sterilization device OPTIMASER for hazardous biomedical waste disinfection and making linen and PPE reusable is the offering from Lucknow based Maser Technology.

DST Secretary Ashutosh Sharma said, “Through these and other compelling examples of COVID-19 relevant products and technologies, the deep foundations of the Indian science and technology have rapidly come to fore by a seamless marriage of the knowledge creation and its consumption. The structures and processes which made these extraordinary achievements possible are being incorporated in the upcoming Science, Technology and Innovation Policy 2020.”

Image credit: The Indian Express

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