Vasiljev, Anastasija; Simha, Prithvi; Demisse, Natnael et. al 2022 Drying fresh human urine in magnesium-doped alkaline substrates: Capture of free ammonia, inhibition of enzymatic urea hydrolysis & minimisation of chemical urea hydrolysis Research article (Peer reviewed) DOI:10.1016/j.cej.2021.131026