60 research outputs found

    Preventing the diversion of Turkish opium

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    Turkey was once one of the world’s largest sources of illicit opium; the majority diverted from sparsely regulated licit production. Since 1972, however, it has contributed almost no opium to the global black market. As such, Turkey is one of a small number of states to have eradicated, or severally reduced, the national supply of illicit opium. This article reconsiders post-1974 Turkish controls from a situational crime prevention perspective. It is suggested that Turkish success was founded upon reducing opportunities for diversion from regulated production by hardening targets, increasing formal and informal surveillance, assisting compliance through fair procurement practices and increasing the risk of non-compliance

    A New Antibacterial N -Halamine Coating Based on Polydopamine

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    International audienceTo prevent the formation of biofilms on material surfaces, the latter must have antibacterial properties. The aim of this study is to investigate the synthesis and the antibacterial effect of a new N-halamine coating based on polydopamine (PDA). The benefits of this coating are multiple, notably the green process used to prepare it and the wide variety of organic or inorganic materials that can be functionalized. First, the formation of the PDA coating by oxidative polymerization of dopamine in weak alkaline aqueous solution was studied and characterized. Then, these PDA films were exposed to a NaOCl solution in order to form chloramine functions into the coating, i.e., to immobilize oxidative chlorine on and into the coating. The PDA film chlorination was notably followed in situ by a quartz crystal microbalance (QCM). The influence of the NaOCl solution pH and concentration on chlorination kinetics and on PDA film degradation was evidenced. Finally, the antibacterial properties of the modified PDA coatings were highlighted by testing their antiadhesion and bactericidal properties toward the Escherichia coli bacterial strain

    Decolonising drugs in Asia : the case of cocaine in colonial India

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    This article examines a drugs trade in Asia that has been largely forgotten by historians and policy-makers: cocaine. It will briefly trace some of the contours of this commerce and the efforts to control it. It will also assess how successful these efforts were. The article is designed to contribute fresh perspectives on recent controversies in the historiography of drugs in Asia to argue that the agendas and agency of consumers are central to understanding why markets have formed there for psychoactive substances in the modern period
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