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7 Regulatory and compendial news 7 Industry news 24 Calendar 26 Respiratory medicine news Cover 3 Literature review departments 25 Special section: Particle manufacturing particle manufacturing 6 Cross-industry organizations: DDL2017 and additional activities of The Aerosol Society 20 Inhalation toxicity of graphene and its derivatives Zorawar Singh 28 Back Page: New system enables more donor lungs to be transplanted additional features 16 Previewing the 6 th Medicon Valley Inhalation Symposium and Workshop 16 Previewing Inhaled Therapies for Tuberculosis and Other Infectious Disease 17 A preview of the Annual Meeting of the Association of Inhalation Toxicologists meetings 8 Obscuring the message: A critical examination of laboratory test methods for orally inhaled products that could lead the user astray: Part 2—Total Emitted Mass (TEM) and related metrics Jolyon P. Mitchell, Mark W. Nagel, Jason A. Suggett, Dominic P. Coppolo 18 Issue focus: Particle characterization particle characterization Cover image shows Meggle's Inhalac™ sieved, milled and micron- ized alpha-lactose monohydrate for dry powder inhalation from Meggle Excipients & Technology, Meggle USA: Tel.: +1 844 4MEGGLE, (+1 844 463-4453), www.meggle-pharma. com, customer.service@meggle.com, Head Office Germany: Tel.: +49 8071 73 476, www.meggle-pharma.de, service.pharma@meggle.de Inhalation 2 August 2017 Inhalation Inhalation (ISSN 1937-0717 print; ISSN 1940-414X online) is published six times per year in February, April, June, August, October and December by CSC Publishing, Inc., 1155 Northland Drive, Saint Paul, MN 55120. w w w . i n h a l a t i o n m a g . c o m August 2017 Volume 11 Number 4