Auteur A. KARDEN

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Cannabis adulterated with the synthetic cannabinoid receptor agonist MDMB-4en-PINACA and the role of European drug checking services

P. E. OOMEN ; D. SCHORI ; K. TOGEL-LINS ; D. ACREMAN ; S. CHENORHOKIAN ; A. LUF ; A. KARDEN ; C. PAULOS ; E. FORNERO ; E. GERACE ; R. P. J. KONING ; L. GALINDO ; L. A. SMIT-RIGTER ; F. MEASHAM ; M. VENTURA | 2022
Dans International Journal of Drug Policy (Vol.100, February 2022) Article : Périodique

Background: European drug checking services exchange information on drug trends within the Trans European Drug Information (TEDI) network, allowing monitoring and coordination of responses. Starting in Spring 2020, several services detected the [...]

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Monitoring drug use in the digital age: studies in web surveys The potential for using web surveys to investigate drug sales through cryptomarkets on the darknet

A. KARDEN ; J. STRIZEK | 2022
Rapport

This paper considers two different ways in which web surveys might be used to provide insights concerning those people who purchase drugs on cryptomarkets. First, data from the second wave of the European Web Survey on Drugs (EWSD) are analysed [...]

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Document numérique

Relevance of cryptomarkets, characteristics of purchasers and possibilities for survey research: experience from the European Web Survey on Drugs

J. STRIZEK ; A. KARDEN ; J. MATIAS | 2021
Dans Drugs and Alcohol Today (Vol.21, n°2, 2021) Article : Périodique

Purpose: The purpose of this paper is to assess the relevance of cryptomarkets, characteristics of purchasers and possibilities for survey research by approaching users directly on cryptomarkets. Design/methodology/approach: Cross-country compa[...]

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Size matters: comparing the MDMA content and weight of ecstasy tablets submitted to European drug checking services in 2012-2021

R. Q. VROLIJK ; F. MEASHAM ; A. QUESADA ; A. LUF ; D. SCHORI ; S. RADLEY ; D. ACREMAN ; J. SMITH ; M. VERDENIK ; D. MARTINS ; M. CUNHA ; C. J. PAULOS ; I. F. PICCININ ; E. GERACE ; A. KARDEN ; R. P. J. KONING ; L. A. SMIT-RIGTER ; M. VENTURA | 2022
Dans Drugs, Habits and Social Policy (Vol.23, n°3, 2022) Article : Périodique

Purpose: The 3,4-methylenedioxymetamphetamine (MDMA) content in ecstasy tablets has increased enormously throughout Europe across the past decade. This study aims to determine whether this is caused by the production of "stronger" tablets (more [...]

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