1. A review on tramadol toxicity: mechanism of action, clinical presentation, and treatment

   • Samaneh Nakhaee
   • Christopher Hoyte
   • Omid Mehrpour

   Review Article Open access 24 March 2021 Pages: 293 - 310

   

2. The standard addition method and its validation in forensic toxicology

   • Koutaro Hasegawa
   • Kayoko Minakata
   • Osamu Suzuki

   Review Article Open access 04 June 2021 Pages: 311 - 333

   

3. Recent progress in the chemical attribution of chemical warfare agents and highly toxic organophosphorus pesticides

   • Xiaogang Lu
   • Zixuan Zhang
   • Junhua Xiao

   Review Article 13 May 2021 Pages: 334 - 349

   

4. Determinations of new psychoactive substances in biological matrices with focus on microextraction techniques: a review of fundamentals and state-of-the-art extraction methods

   • Letícia Birk
   • Sara O. Santos
   • Tiago F. Oliveira

   Review Article 22 May 2021 Pages: 350 - 367

   

5. A fluorine turns a medicinal benzodiazepine into NPS: the case of flualprazolam

   • Panagoula-Stamatina A. Ntoupa
   • Ioannis I. Papoutsis
   • Sotiris A. Athanaselis

   Minireview Open access 02 February 2021 Pages: 368 - 376

   

6. Blood concentrations of new psychoactive substances belonging to benzodiazepine class

   • Karolina Nowak
   • Piotr Adamowicz

   Minireview 10 May 2021 Pages: 377 - 384

7. A comparison between two different dried blood substrates in determination of psychoactive substances in postmortem samples

   • Matteo Moretti
   • Alessandro Manfredi
   • Luca Morini

   Original Article Open access 18 January 2021 Pages: 385 - 393

   

8. Comparative study between active and passive exposure of methamphetamine vapor in mice

   • Kazumasa Abe
   • Asuka Kaizaki-Mitsumoto
   • Satoshi Numazawa

   Original Article 12 March 2021 Pages: 394 - 404

   

9. Degradation of 1-phenyl-2-propanone during long-term storage: useful information for methamphetamine impurity profiling

   • Kenji Tsujikawa
   • Yuki Okada
   • Yuko. T. Iwata

   Original Article 24 March 2021 Pages: 405 - 416

   

10. Meconium and maternal hair analysis vs. medical records to monitor antidepressants and benzodiazepines exposure during pregnancy

    • Ángela López-Rabuñal
    • Elena Lendoiro
    • Angelines Cruz

    Original Article 22 April 2021 Pages: 417 - 426

    

11. Caffeine-induced bradycardia, death, and anxiety-like behavior in zebrafish larvae

    • Hideyuki Maeda
    • Akihiro Hasumi
    • Ken-ichi Yoshida

    Original Article 24 April 2021 Pages: 427 - 436

    

12. Effects of putrefaction on the quantitative analyses of diphenhydramine in blood and tissues: model experiments by the routine matrix-matched calibration method and standard addition method with different internal standards

    • Keiko Kudo
    • Kanju Saka
    • Shin-ichi Kubo

    Original Article 11 May 2021 Pages: 437 - 450

    

13. Quantification and distribution of 4-fluoroisobutyryl fentanyl (4-FiBF) in postmortem biological samples using UHPLC–QqQ-MS/MS

    • Marcin Zawadzki
    • Olga Wachełko
    • Paweł Szpot

    Original Article Open access 24 May 2021 Pages: 451 - 463

    

14. Sensitive quantitative analysis of psilocin and psilocybin in hair samples from suspected users and their distribution in seized hallucinogenic mushrooms

    • Liying Zhou
    • Ping Xiang
    • Wanhui Liu

    Short Communication Open access 02 February 2021 Pages: 464 - 473

    

15. A potential of methoxpropamine to be a widespread recreational drug: it blocks NMDA receptors and inhibits NMDA receptor-mediated synaptic transmission in a brain preparation of mice

    • Tomohiko Irie
    • Daiju Yamazaki
    • Ruri Kikura-Hanajiri

    Short Communication 18 March 2021 Pages: 474 - 480

    

16. Comprehensive analytical and structural characteristics of methyl 3,3-dimethyl-2-(1-(pent-4-en-1-yl)-1H-indazole-3-carboxamido)butanoate (MDMB-4en-PINACA)

    • Michal P. Dybowski
    • Piotr Holowinski
    • Andrzej L. Dawidowicz

    Short Communication Open access 01 April 2021 Pages: 481 - 492

    

17. Fatal intoxication with U-47700 in combination with other NPS (N-ethylhexedrone, adinazolam, 4-CIC, 4-CMC) confirmed by identification and quantification in autopsy specimens and evidences

    • Karolina Nowak
    • Paweł Szpot
    • Marcin Zawadzki

    Case Report Open access 19 January 2021 Pages: 493 - 505

    

18. Two fatal and four surviving cases after accidental infusion of ropivacaine

    • Michaela Winkler
    • Andreas Alt
    • Sebastian N. Kunz

    Case Report Open access 22 May 2021 Pages: 506 - 512

19. Suicide by intoxication with iron (III) chloride

    • Sławomir Majdanik
    • Barbara Potocka-Banaś
    • Krzysztof Borowiak

    Case Report Open access 02 May 2021 Pages: 513 - 517

    

20. Increased production of illegal alcoholic beverages during the COVID-19 pandemic in Hamadan, Iran

    • Reza Solgi
    • Leila Taheri-Kamalan
    • Amir Nili-Ahmadabadi

    Letter to the Editor 18 May 2021 Pages: 518 - 521