Krotulski, Alex J.

Isotonitazene Quantitation and Metabolite Discovery in Authentic Forensic Casework

Krotulski, A. J., Papsun, D. M., Kacinko, S. L., & Logan, B. K. (2020) · Journal of Analytical Toxicology

Forensic Toxicology and Drug AnalysisOpioid Use Disorder Treatment

Cited by 146

A Forward-Thinking Approach to Addressing the New Synthetic Opioid 2-Benzylbenzimidazole Nitazene Analogs by Liquid Chromatography–Tandem Quadrupole Mass Spectrometry (LC–QQQ-MS)

Walton, S. E., Krotulski, A. J., & Logan, B. K. (2022) · Journal of Analytical Toxicology

Forensic Toxicology and Drug AnalysisAnalytical Methods in Pharmaceuticals

Cited by 92

Metonitazene in the United States—Forensic toxicology assessment of a potent new synthetic opioid using liquid chromatography mass spectrometry

Krotulski, A. J., Papsun, D. M., Walton, S. E., & Logan, B. K. (2021) · Drug Testing and Analysis

Forensic Toxicology and Drug AnalysisOpioid Use Disorder Treatment

Cited by 91

Naloxone Use in Novel Potent Opioid and Fentanyl Overdoses in Emergency Department Patients

Amaducci, A., Aldy, K., Campleman, S. L., Li, S., Meyn, A., Abston, S., Culbreth, R. E., Krotulski, A., Logan, B., Wax, P., et al. (2023) · JAMA Network Open

Opioid Use Disorder TreatmentPoisoning and overdose treatments

Cited by 84

Pharmacological evaluation and forensic case series of N-pyrrolidino etonitazene (etonitazepyne), a newly emerging 2-benzylbenzimidazole ‘nitazene’ synthetic opioid

Vandeputte, M. M., Krotulski, A. J., Walther, D., Glatfelter, G. C., Papsun, D., Walton, S. E., Logan, B. K., Baumann, M. H., & Stove, C. P. (2022) · Archives of Toxicology

Forensic Toxicology and Drug AnalysisOpioid Use Disorder Treatment

Cited by 80

The Rise and Fall of Isotonitazene and Brorphine: Two Recent Stars in the Synthetic Opioid Firmament

Vandeputte, M. M., Krotulski, A. J., Papsun, D. M., Logan, B. K., & Stove, C. P. (2022) · Journal of Analytical Toxicology

Forensic Toxicology and Drug AnalysisOpioid Use Disorder Treatment

Cited by 71

In vitro structure–activity relationships and forensic case series of emerging 2-benzylbenzimidazole ‘nitazene’ opioids

De Vrieze, L. M., Walton, S. E., Pottie, E., Papsun, D., Logan, B. K., Krotulski, A. J., Stove, C. P., & Vandeputte, M. M. (2024) · Archives of Toxicology

Forensic Toxicology and Drug AnalysisAlkaloids: synthesis and pharmacology

Cited by 58

Proliferation of Novel Synthetic Opioids in Postmortem Investigations After Core-Structure Scheduling for Fentanyl-Related Substances

Papsun, D. M., Krotulski, A. J., & Logan, B. K. (2022) · American Journal of Forensic Medicine & Pathology

Forensic Toxicology and Drug AnalysisOpioid Use Disorder Treatment

Cited by 51

Brorphine—Investigation and quantitation of a new potent synthetic opioid in forensic toxicology casework using liquid chromatography‐mass spectrometr y

Krotulski, A. J., Papsun, D. M., Noble, C., Kacinko, S. L., & Logan, B. K. (2021) · Journal of Forensic Sciences

Forensic Toxicology and Drug AnalysisOpioid Use Disorder Treatment

Cited by 47

Review of Analytical Methods for Screening and Quantification of Fentanyl Analogs and Novel Synthetic Opioids in Biological Specimens

Palmquist, K. B., Truver, M. T., Shoff, E. N., Krotulski, A. J., & Swortwood, M. J. (2023) · Journal of Forensic Sciences

Forensic Toxicology and Drug AnalysisOpioid Use Disorder Treatment

Cited by 39

Wastewater-Based Monitoring of the Nitazene Analogues: First Detection of Protonitazene in Wastewater

Bade, R., Nadarajan, D., Driver, E. M., Halden, R. U., Gerber, C., Krotulski, A., Hall, W., & Mueller, J. F. (2024) · Science of The Total Environment

Pharmaceutical and Antibiotic Environmental ImpactsForensic Toxicology and Drug Analysis

Cited by 33

Identification of a novel opioid, N -piperidinyl etonitazene (etonitazepipne), in patients with suspected opioid overdose

Calello, D. P., Aldy, K., Jefri, M., Nguyen, T.-A. T., Krotulski, A., Logan, B., Brent, J., Wax, P., Walton, S., Manini, A. F., et al. (2022) · Clinical Toxicology

Forensic Toxicology and Drug AnalysisOpioid Use Disorder Treatment

Cited by 26

Temporal and geographical patterns of nitazene detections in drug samples and biospecimens in the United States, 2019–2024

Zhu, D. T., Fitzgerald, N. D., Palamar, J. J., & Krotulski, A. J. (2026) · Addiction

Forensic Toxicology and Drug AnalysisOpioid Use Disorder Treatment

Cited by 8

Behavioural Effects and Naloxone Effectiveness With New Synthetic Opioids

Nielsen, S., Silva, J. P., Jones, J. D., Krotulski, A., Poovendran, D., Muzangizi, D., Forte, G., White, J., & Comer, S. D. (2026) · Drug and Alcohol Review

Opioid Use Disorder TreatmentForensic Toxicology and Drug Analysis

Cited by 6

An Emerging Synthetic Opioid in the Drug Supply: A Case of Opioid Overdose with Biological Confirmation of Cychlorphine

Kusko, R., Liss, D., House, S. L., House, S. B., Krotulski, A., Aldy, K., & On behalf of the Toxicology Investigators Consortium (ToxIC) Fentalog Study Group (2026) · Journal of Medical Toxicology

Forensic Toxicology and Drug AnalysisOpioid Use Disorder Treatment

Cited by 3