Invited talk delivered as a member of International Environmental-Biotechnol Society, "A Clean Technology for Deacylation of Racemic Ester of (Rs)-Propranolol Acetate in Aqueous-Organic Mixtures Catalysed by a Microbial Lipase". In: 7th Biennial International Conference on Environmental Biotechnology, University of Illinois, Chicago, USA by Nigam P, PhD researcher Reddivari M.