however, only approximately 4 percent were able to do so." Copyright 2021 NPR

Upadhyay reports the following published patents: A system and method of reusable filters for anti-pollution mask, A system and method for electricity generation through crop stubble by using microbial fuel cells, A system for disposed personal protection equipment (PPE) into biofuel through pyrolysis and method, A novel herbal pharmaceutical aid for formulation of gel and method thereof and Herbal drug formulation for treating lung tissue degenerated by particulate matter exposure, and the following filed patents: A method to transform cow dung into the wall paint by using natural materials and composition thereof, Biodegradable packaging composition and method of preparation thereof, Eco-friendly bio-shoe polish from banana and turmeric, Honey-based polyherbal syrup composition to treat air pollution-induced inflammation and preparation method thereof and Process for preparing a caffeine free, antioxidant and nutrient-rich beverage

You can place this purifier more or less anywhere and it will suck in air from all sides, so no stone is left unturned in your fight against cigarette smoke
These include: Diacetyl a food additive used to deepen e-cigarette flavours that can also damage small passageways in the lungs Formaldehyde a toxic chemical that can cause lung disease and contribute to heart disease Acrolein a chemical more commonly used as a weed killer that can damage the lungs UK regulations require producers to provide ingredient information and do not permit certain compounds such as formaldehyde, acrolein and acetaldehyde in e-cigarettes or e-cigarette liquids sold in the UK
Position: Co-founder, Chief Technology Officer