Physical and chemical assessment of 1,3 Propanediol as a potential substitute of propylene glycol in refill liquid for electronic cigarettes
Abstract Electronic cigarette has the potential to serve as a tobacco cessation aid if the prerequisites which are safety and efficacy in term of nicotine delivery are achieved.The nicotine-based liquids are mainly composed by propylene glycol and glycerol playing the important role of airborne carriers.1,3 propanediol is proposed as a propylene gl